diff options
25 files changed, 5142 insertions, 2114 deletions
diff --git a/demos/boxes/boxes.pro b/demos/boxes/boxes.pro index 6c1a331..a7b19a3 100644 --- a/demos/boxes/boxes.pro +++ b/demos/boxes/boxes.pro @@ -11,7 +11,6 @@ INCLUDEPATH += . HEADERS += 3rdparty/fbm.h \ glbuffers.h \ glextensions.h \ - glshaders.h \ gltrianglemesh.h \ qtbox.h \ roundedbox.h \ @@ -21,7 +20,6 @@ HEADERS += 3rdparty/fbm.h \ SOURCES += 3rdparty/fbm.c \ glbuffers.cpp \ glextensions.cpp \ - glshaders.cpp \ main.cpp \ qtbox.cpp \ roundedbox.cpp \ diff --git a/demos/boxes/glextensions.cpp b/demos/boxes/glextensions.cpp index 59256a8..5f168b6 100644 --- a/demos/boxes/glextensions.cpp +++ b/demos/boxes/glextensions.cpp @@ -47,23 +47,6 @@ bool GLExtensionFunctions::resolve(const QGLContext *context) { bool ok = true; - RESOLVE_GL_FUNC(CreateShaderObjectARB) - RESOLVE_GL_FUNC(ShaderSourceARB) - RESOLVE_GL_FUNC(CompileShaderARB) - RESOLVE_GL_FUNC(GetObjectParameterivARB) - RESOLVE_GL_FUNC(DeleteObjectARB) - RESOLVE_GL_FUNC(GetInfoLogARB) - RESOLVE_GL_FUNC(CreateProgramObjectARB) - RESOLVE_GL_FUNC(AttachObjectARB) - RESOLVE_GL_FUNC(DetachObjectARB) - RESOLVE_GL_FUNC(LinkProgramARB) - RESOLVE_GL_FUNC(UseProgramObjectARB) - RESOLVE_GL_FUNC(GetUniformLocationARB) - RESOLVE_GL_FUNC(Uniform1iARB) - RESOLVE_GL_FUNC(Uniform1fARB) - RESOLVE_GL_FUNC(Uniform4fARB) - RESOLVE_GL_FUNC(UniformMatrix4fvARB) - RESOLVE_GL_FUNC(GenFramebuffersEXT) RESOLVE_GL_FUNC(GenRenderbuffersEXT) RESOLVE_GL_FUNC(BindRenderbufferEXT) @@ -88,26 +71,6 @@ bool GLExtensionFunctions::resolve(const QGLContext *context) return ok; } -bool GLExtensionFunctions::glslSupported() { - return CreateShaderObjectARB - && CreateShaderObjectARB - && ShaderSourceARB - && CompileShaderARB - && GetObjectParameterivARB - && DeleteObjectARB - && GetInfoLogARB - && CreateProgramObjectARB - && AttachObjectARB - && DetachObjectARB - && LinkProgramARB - && UseProgramObjectARB - && GetUniformLocationARB - && Uniform1iARB - && Uniform1fARB - && Uniform4fARB - && UniformMatrix4fvARB; -} - bool GLExtensionFunctions::fboSupported() { return GenFramebuffersEXT && GenRenderbuffersEXT diff --git a/demos/boxes/glextensions.h b/demos/boxes/glextensions.h index 74617d6..4755532 100644 --- a/demos/boxes/glextensions.h +++ b/demos/boxes/glextensions.h @@ -47,23 +47,6 @@ /* Functions resolved: -glCreateShaderObjectARB -glShaderSourceARB -glCompileShaderARB -glGetObjectParameterivARB -glDeleteObjectARB -glGetInfoLogARB -glCreateProgramObjectARB -glAttachObjectARB -glDetachObjectARB -glLinkProgramARB -glUseProgramObjectARB -glGetUniformLocationARB -glUniform1iARB -glUniform1fARB -glUniform4fARB -glUniformMatrix4fvARB - glGenFramebuffersEXT glGenRenderbuffersEXT glBindRenderbufferEXT @@ -136,39 +119,6 @@ typedef ptrdiff_t GLsizeiptr; #define GL_DEPTH_ATTACHMENT_EXT 0x8D00 #endif -#ifndef GL_ARB_vertex_shader -#define GL_VERTEX_SHADER_ARB 0x8B31 -#endif - -#ifndef GL_ARB_fragment_shader -#define GL_FRAGMENT_SHADER_ARB 0x8B30 -#endif - -#ifndef GL_ARB_shader_objects -typedef char GLcharARB; -typedef unsigned int GLhandleARB; -#define GL_OBJECT_COMPILE_STATUS_ARB 0x8B81 -#define GL_OBJECT_LINK_STATUS_ARB 0x8B82 -#define GL_OBJECT_INFO_LOG_LENGTH_ARB 0x8B84 -#endif - -typedef GLhandleARB (APIENTRY *_glCreateShaderObjectARB) (GLenum); -typedef void (APIENTRY *_glShaderSourceARB) (GLhandleARB, GLuint, const GLcharARB**, GLint *); -typedef void (APIENTRY *_glCompileShaderARB) (GLhandleARB); -typedef void (APIENTRY *_glGetObjectParameterivARB) (GLhandleARB, GLenum, int *); -typedef void (APIENTRY *_glDeleteObjectARB) (GLhandleARB); -typedef void (APIENTRY *_glGetInfoLogARB) (GLhandleARB, GLsizei, GLsizei *, GLcharARB *); -typedef GLhandleARB (APIENTRY *_glCreateProgramObjectARB) (); -typedef void (APIENTRY *_glAttachObjectARB) (GLhandleARB, GLhandleARB); -typedef void (APIENTRY *_glDetachObjectARB) (GLhandleARB, GLhandleARB); -typedef void (APIENTRY *_glLinkProgramARB) (GLhandleARB); -typedef void (APIENTRY *_glUseProgramObjectARB) (GLhandleARB); -typedef GLint (APIENTRY *_glGetUniformLocationARB) (GLhandleARB, const GLcharARB *); -typedef void (APIENTRY *_glUniform1iARB) (GLint, GLint); -typedef void (APIENTRY *_glUniform1fARB) (GLint, GLfloat); -typedef void (APIENTRY *_glUniform4fARB) (GLint, GLfloat, GLfloat, GLfloat, GLfloat); -typedef void (APIENTRY *_glUniformMatrix4fvARB) (GLint, GLuint, GLboolean, const GLfloat *); - typedef void (APIENTRY *_glGenFramebuffersEXT) (GLsizei, GLuint *); typedef void (APIENTRY *_glGenRenderbuffersEXT) (GLsizei, GLuint *); typedef void (APIENTRY *_glBindRenderbufferEXT) (GLenum, GLuint); @@ -194,27 +144,9 @@ struct GLExtensionFunctions { bool resolve(const QGLContext *context); - bool glslSupported(); bool fboSupported(); bool openGL15Supported(); // the rest: multi-texture, 3D-texture, vertex buffer objects - _glCreateShaderObjectARB CreateShaderObjectARB; - _glShaderSourceARB ShaderSourceARB; - _glCompileShaderARB CompileShaderARB; - _glGetObjectParameterivARB GetObjectParameterivARB; - _glDeleteObjectARB DeleteObjectARB; - _glGetInfoLogARB GetInfoLogARB; - _glCreateProgramObjectARB CreateProgramObjectARB; - _glAttachObjectARB AttachObjectARB; - _glDetachObjectARB DetachObjectARB; - _glLinkProgramARB LinkProgramARB; - _glUseProgramObjectARB UseProgramObjectARB; - _glGetUniformLocationARB GetUniformLocationARB; - _glUniform1iARB Uniform1iARB; - _glUniform1fARB Uniform1fARB; - _glUniform4fARB Uniform4fARB; - _glUniformMatrix4fvARB UniformMatrix4fvARB; - _glGenFramebuffersEXT GenFramebuffersEXT; _glGenRenderbuffersEXT GenRenderbuffersEXT; _glBindRenderbufferEXT BindRenderbufferEXT; @@ -243,23 +175,6 @@ inline GLExtensionFunctions &getGLExtensionFunctions() return funcs; } -#define glCreateShaderObjectARB getGLExtensionFunctions().CreateShaderObjectARB -#define glShaderSourceARB getGLExtensionFunctions().ShaderSourceARB -#define glCompileShaderARB getGLExtensionFunctions().CompileShaderARB -#define glGetObjectParameterivARB getGLExtensionFunctions().GetObjectParameterivARB -#define glDeleteObjectARB getGLExtensionFunctions().DeleteObjectARB -#define glGetInfoLogARB getGLExtensionFunctions().GetInfoLogARB -#define glCreateProgramObjectARB getGLExtensionFunctions().CreateProgramObjectARB -#define glAttachObjectARB getGLExtensionFunctions().AttachObjectARB -#define glDetachObjectARB getGLExtensionFunctions().DetachObjectARB -#define glLinkProgramARB getGLExtensionFunctions().LinkProgramARB -#define glUseProgramObjectARB getGLExtensionFunctions().UseProgramObjectARB -#define glGetUniformLocationARB getGLExtensionFunctions().GetUniformLocationARB -#define glUniform1iARB getGLExtensionFunctions().Uniform1iARB -#define glUniform1fARB getGLExtensionFunctions().Uniform1fARB -#define glUniform4fARB getGLExtensionFunctions().Uniform4fARB -#define glUniformMatrix4fvARB getGLExtensionFunctions().UniformMatrix4fvARB - #define glGenFramebuffersEXT getGLExtensionFunctions().GenFramebuffersEXT #define glGenRenderbuffersEXT getGLExtensionFunctions().GenRenderbuffersEXT #define glBindRenderbufferEXT getGLExtensionFunctions().BindRenderbufferEXT diff --git a/demos/boxes/glshaders.cpp b/demos/boxes/glshaders.cpp deleted file mode 100644 index b6999a8..0000000 --- a/demos/boxes/glshaders.cpp +++ /dev/null @@ -1,266 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Qt Software Information (qt-info@nokia.com) -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at qt-sales@nokia.com. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "glshaders.h" - -#define GLSHADERS_ASSERT_OPENGL(prefix, assertion, returnStatement) \ -if (m_failed || !(assertion)) { \ - if (!m_failed) qCritical(prefix ": The necessary OpenGL functions are not available."); \ - m_failed = true; \ - returnStatement; \ -} - - -GLShader::GLShader(const char *data, int size, GLenum shaderType) -: m_compileError(false), m_failed(false) -{ - GLSHADERS_ASSERT_OPENGL("GLShader::GLShader", - glCreateShaderObjectARB && glShaderSourceARB && glCompileShaderARB && glGetObjectParameterivARB, return) - - m_shader = glCreateShaderObjectARB(shaderType); - - GLint glSize = size; - glShaderSourceARB(m_shader, 1, &data, &glSize); - glCompileShaderARB(m_shader); - int status; - glGetObjectParameterivARB(m_shader, GL_OBJECT_COMPILE_STATUS_ARB, &status); - m_compileError = (status != 1); -} - -GLShader::GLShader(const QString& fileName, GLenum shaderType) - : m_compileError(false), m_failed(false) -{ - GLSHADERS_ASSERT_OPENGL("GLShader::GLShader", - glCreateShaderObjectARB && glShaderSourceARB && glCompileShaderARB && glGetObjectParameterivARB, return) - - m_shader = glCreateShaderObjectARB(shaderType); - - QFile file(fileName); - if (file.open(QIODevice::ReadOnly)) { - QByteArray bytes = file.readAll(); - GLint size = file.size(); - const char *p = bytes.data(); - file.close(); - glShaderSourceARB(m_shader, 1, &p, &size); - glCompileShaderARB(m_shader); - int status; - glGetObjectParameterivARB(m_shader, GL_OBJECT_COMPILE_STATUS_ARB, &status); - m_compileError = (status != 1); - } else { - m_compileError = true; - } -} - -GLShader::~GLShader() -{ - GLSHADERS_ASSERT_OPENGL("GLShader::~GLShader", glDeleteObjectARB, return) - - glDeleteObjectARB(m_shader); -} - -QString GLShader::log() -{ - GLSHADERS_ASSERT_OPENGL("GLShader::log", glGetObjectParameterivARB - && glGetInfoLogARB, return QLatin1String("GLSL not supported.")) - - int length; - glGetObjectParameterivARB(m_shader, GL_OBJECT_INFO_LOG_LENGTH_ARB, &length); - char *log = new char[length + 1]; - GLsizei glLength = length; - glGetInfoLogARB(m_shader, glLength, &glLength, log); - log[glLength] = '\0'; - QString result(log); - delete log; - return result; -} - -GLVertexShader::GLVertexShader(const char *data, int size) : GLShader(data, size, GL_VERTEX_SHADER_ARB) -{ -} - -GLVertexShader::GLVertexShader(const QString& fileName) : GLShader(fileName, GL_VERTEX_SHADER_ARB) -{ -} - -GLFragmentShader::GLFragmentShader(const char *data, int size) : GLShader(data, size, GL_FRAGMENT_SHADER_ARB) -{ -} - -GLFragmentShader::GLFragmentShader(const QString& fileName) : GLShader(fileName, GL_FRAGMENT_SHADER_ARB) -{ -} - -GLProgram::GLProgram() : m_linked(false), m_linkError(false), m_failed(false) -{ - GLSHADERS_ASSERT_OPENGL("GLProgram::GLProgram", glCreateProgramObjectARB, return) - - m_program = glCreateProgramObjectARB(); -} - -GLProgram::~GLProgram() -{ - GLSHADERS_ASSERT_OPENGL("GLProgram::~GLProgram", glDeleteObjectARB, return) - - glDeleteObjectARB(m_program); -} - -void GLProgram::attach(const GLShader &shader) -{ - GLSHADERS_ASSERT_OPENGL("GLProgram::attach", glAttachObjectARB, return) - - glAttachObjectARB(m_program, shader.m_shader); - m_linked = m_linkError = false; -} - -void GLProgram::detach(const GLShader &shader) -{ - GLSHADERS_ASSERT_OPENGL("GLProgram::detach", glDetachObjectARB, return) - - glDetachObjectARB(m_program, shader.m_shader); - m_linked = m_linkError = false; -} - -bool GLProgram::failed() -{ - if (m_failed || m_linkError) - return true; - - if (m_linked) - return false; - - GLSHADERS_ASSERT_OPENGL("GLProgram::failed", glLinkProgramARB && glGetObjectParameterivARB, return true) - - glLinkProgramARB(m_program); - int status; - glGetObjectParameterivARB(m_program, GL_OBJECT_LINK_STATUS_ARB, &status); - m_linkError = !(m_linked = (status == 1)); - return m_linkError; -} - -QString GLProgram::log() -{ - GLSHADERS_ASSERT_OPENGL("GLProgram::log", glGetObjectParameterivARB && glGetInfoLogARB, - return QLatin1String("Failed.")) - - int length; - glGetObjectParameterivARB(m_program, GL_OBJECT_INFO_LOG_LENGTH_ARB, &length); - char *log = new char[length + 1]; - GLsizei glLength = length; - glGetInfoLogARB(m_program, glLength, &glLength, log); - log[glLength] = '\0'; - QString result(log); - delete log; - return result; -} - -void GLProgram::bind() -{ - GLSHADERS_ASSERT_OPENGL("GLProgram::bind", glUseProgramObjectARB, return) - - if (!failed()) - glUseProgramObjectARB(m_program); -} - -void GLProgram::unbind() -{ - GLSHADERS_ASSERT_OPENGL("GLProgram::bind", glUseProgramObjectARB, return) - - glUseProgramObjectARB(0); -} - -bool GLProgram::hasParameter(const QString& name) -{ - GLSHADERS_ASSERT_OPENGL("GLProgram::hasParameter", glGetUniformLocationARB, return false) - - if (!failed()) { - QByteArray asciiName = name.toAscii(); - return -1 != glGetUniformLocationARB(m_program, asciiName.data()); - } - return false; -} - -void GLProgram::setInt(const QString& name, int value) -{ - GLSHADERS_ASSERT_OPENGL("GLProgram::setInt", glGetUniformLocationARB && glUniform1iARB, return) - - if (!failed()) { - QByteArray asciiName = name.toAscii(); - int loc = glGetUniformLocationARB(m_program, asciiName.data()); - glUniform1iARB(loc, value); - } -} - -void GLProgram::setFloat(const QString& name, float value) -{ - GLSHADERS_ASSERT_OPENGL("GLProgram::setFloat", glGetUniformLocationARB && glUniform1fARB, return) - - if (!failed()) { - QByteArray asciiName = name.toAscii(); - int loc = glGetUniformLocationARB(m_program, asciiName.data()); - glUniform1fARB(loc, value); - } -} - -void GLProgram::setColor(const QString& name, QRgb value) -{ - GLSHADERS_ASSERT_OPENGL("GLProgram::setColor", glGetUniformLocationARB && glUniform4fARB, return) - - //qDebug() << "Setting color" << name; - if (!failed()) { - QByteArray asciiName = name.toAscii(); - int loc = glGetUniformLocationARB(m_program, asciiName.data()); - //qDebug() << "Location of" << name << "is" << loc; - QColor color(value); - glUniform4fARB(loc, color.redF(), color.greenF(), color.blueF(), color.alphaF()); - } -} - -void GLProgram::setMatrix(const QString& name, const gfx::Matrix4x4f &mat) -{ - GLSHADERS_ASSERT_OPENGL("GLProgram::setMatrix", glGetUniformLocationARB && glUniformMatrix4fvARB, return) - - if (!failed()) { - QByteArray asciiName = name.toAscii(); - int loc = glGetUniformLocationARB(m_program, asciiName.data()); - //qDebug() << "Location of" << name << "is" << loc; - glUniformMatrix4fvARB(loc, 1, GL_FALSE, mat.bits()); - } -}
\ No newline at end of file diff --git a/demos/boxes/glshaders.h b/demos/boxes/glshaders.h deleted file mode 100644 index 2b6209a..0000000 --- a/demos/boxes/glshaders.h +++ /dev/null @@ -1,108 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Qt Software Information (qt-info@nokia.com) -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at qt-sales@nokia.com. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef GLSHADERS_H -#define GLSHADERS_H - -//#include <GL/glew.h> -#include "glextensions.h" - -#include <QtGui> -#include <QtOpenGL> - -#include "vector.h" - -class GLShader -{ -public: - friend class GLProgram; - virtual ~GLShader(); - bool failed() const {return m_failed;} - QString log(); -protected: - GLShader(const char *data, int size, GLenum shaderType); - GLShader(const QString& fileName, GLenum shaderType); - - GLhandleARB m_shader; - bool m_compileError; - bool m_failed; -}; - -class GLVertexShader : public GLShader -{ -public: - GLVertexShader(const char *data, int size); - GLVertexShader(const QString& fileName); -}; - -class GLFragmentShader : public GLShader -{ -public: - GLFragmentShader(const char *data, int size); - GLFragmentShader(const QString& fileName); -}; - -class GLProgram -{ -public: - GLProgram(); - ~GLProgram(); - void attach(const GLShader &shader); - void detach(const GLShader &shader); - void bind(); - void unbind(); - bool failed(); - QString log(); - bool hasParameter(const QString& name); - // use program before setting values - void setInt(const QString& name, int value); - void setFloat(const QString& name, float value); - void setColor(const QString& name, QRgb value); - void setMatrix(const QString& name, const gfx::Matrix4x4f &mat); - // TODO: add a bunch of set-functions for different types. -private: - GLhandleARB m_program; - bool m_linked; - bool m_linkError; - bool m_failed; -}; - -#endif diff --git a/demos/boxes/scene.cpp b/demos/boxes/scene.cpp index 1040e17..e5aab75 100644 --- a/demos/boxes/scene.cpp +++ b/demos/boxes/scene.cpp @@ -531,11 +531,11 @@ Scene::~Scene() if (texture) delete texture; if (m_mainCubemap) delete m_mainCubemap; - foreach (GLProgram *program, m_programs) + foreach (QGLShaderProgram *program, m_programs) if (program) delete program; if (m_vertexShader) delete m_vertexShader; - foreach (GLFragmentShader *shader, m_fragmentShaders) + foreach (QGLShader *shader, m_fragmentShaders) if (shader) delete shader; foreach (GLRenderTargetCube *rt, m_cubemaps) if (rt) delete rt; @@ -549,16 +549,18 @@ void Scene::initGL() { m_box = new GLRoundedBox(0.25f, 1.0f, 10); - m_vertexShader = new GLVertexShader(":/res/boxes/basic.vsh"); + m_vertexShader = new QGLShader(":/res/boxes/basic.vsh", QGLShader::VertexShader); QStringList list; list << ":/res/boxes/cubemap_posx.jpg" << ":/res/boxes/cubemap_negx.jpg" << ":/res/boxes/cubemap_posy.jpg" << ":/res/boxes/cubemap_negy.jpg" << ":/res/boxes/cubemap_posz.jpg" << ":/res/boxes/cubemap_negz.jpg"; m_environment = new GLTextureCube(list, qMin(1024, m_maxTextureSize)); - m_environmentShader = new GLFragmentShader(environmentShaderText, strlen(environmentShaderText)); - m_environmentProgram = new GLProgram; - m_environmentProgram->attach(*m_vertexShader); - m_environmentProgram->attach(*m_environmentShader); + m_environmentShader = new QGLShader(QGLShader::FragmentShader); + m_environmentShader->setSourceCode(environmentShaderText); + m_environmentProgram = new QGLShaderProgram; + m_environmentProgram->addShader(m_vertexShader); + m_environmentProgram->addShader(m_environmentShader); + m_environmentProgram->link(); const int NOISE_SIZE = 128; // for a different size, B and BM in fbm.c must also be changed m_noise = new GLTexture3D(NOISE_SIZE, NOISE_SIZE, NOISE_SIZE); @@ -610,19 +612,19 @@ void Scene::initGL() filter = QStringList("*.fsh"); files = QDir(":/res/boxes/").entryInfoList(filter, QDir::Files | QDir::Readable); foreach (QFileInfo file, files) { - GLProgram *program = new GLProgram; - GLFragmentShader* shader = new GLFragmentShader(file.absoluteFilePath()); + QGLShaderProgram *program = new QGLShaderProgram; + QGLShader* shader = new QGLShader(file.absoluteFilePath(), QGLShader::FragmentShader); // The program does not take ownership over the shaders, so store them in a vector so they can be deleted afterwards. - program->attach(*m_vertexShader); - program->attach(*shader); - if (program->failed()) { + program->addShader(m_vertexShader); + program->addShader(shader); + if (!program->link()) { qWarning("Failed to compile and link shader program"); qWarning("Vertex shader log:"); - qWarning() << m_vertexShader->log(); + qWarning() << m_vertexShader->errors(); qWarning() << "Fragment shader log ( file =" << file.absoluteFilePath() << "):"; - qWarning() << shader->log(); + qWarning() << shader->errors(); qWarning("Shader program log:"); - qWarning() << program->log(); + qWarning() << program->errors(); delete shader; delete program; @@ -633,13 +635,13 @@ void Scene::initGL() m_programs << program; m_renderOptions->addShader(file.baseName()); - program->bind(); - m_cubemaps << (program->hasParameter("env") ? new GLRenderTargetCube(qMin(256, m_maxTextureSize)) : 0); - program->unbind(); + program->enable(); + m_cubemaps << ((program->uniformLocation("env") != -1) ? new GLRenderTargetCube(qMin(256, m_maxTextureSize)) : 0); + program->disable(); } if (m_programs.size() == 0) - m_programs << new GLProgram; + m_programs << new QGLShaderProgram; m_renderOptions->emitParameterChanged(); } @@ -674,12 +676,12 @@ void Scene::renderBoxes(const gfx::Matrix4x4f &view, int excludeBox) // Don't render the environment if the environment texture can't be set for the correct sampler. if (glActiveTexture) { m_environment->bind(); - m_environmentProgram->bind(); - m_environmentProgram->setInt("tex", 0); - m_environmentProgram->setInt("env", 1); - m_environmentProgram->setInt("noise", 2); + m_environmentProgram->enable(); + m_environmentProgram->setUniformValue("tex", 0); + m_environmentProgram->setUniformValue("env", 1); + m_environmentProgram->setUniformValue("noise", 2); m_box->draw(); - m_environmentProgram->unbind(); + m_environmentProgram->disable(); m_environment->unbind(); } @@ -707,14 +709,18 @@ void Scene::renderBoxes(const gfx::Matrix4x4f &view, int excludeBox) else m_environment->bind(); } - m_programs[i]->bind(); - m_programs[i]->setInt("tex", 0); - m_programs[i]->setInt("env", 1); - m_programs[i]->setInt("noise", 2); - m_programs[i]->setMatrix("view", view); - m_programs[i]->setMatrix("invView", invView); + m_programs[i]->enable(); + m_programs[i]->setUniformValue("tex", 0); + m_programs[i]->setUniformValue("env", 1); + m_programs[i]->setUniformValue("noise", 2); + QMatrix4x4 mview; + QMatrix4x4 minvview; + memcpy(mview.data(), view.bits(), sizeof(float) * 16); + memcpy(minvview.data(), invView.bits(), sizeof(float) * 16); + m_programs[i]->setUniformValue("view", mview); + m_programs[i]->setUniformValue("invView", minvview); m_box->draw(); - m_programs[i]->unbind(); + m_programs[i]->disable(); if (glActiveTexture) { if (m_dynamicCubemap && m_cubemaps[i]) @@ -737,14 +743,18 @@ void Scene::renderBoxes(const gfx::Matrix4x4f &view, int excludeBox) m_environment->bind(); } - m_programs[m_currentShader]->bind(); - m_programs[m_currentShader]->setInt("tex", 0); - m_programs[m_currentShader]->setInt("env", 1); - m_programs[m_currentShader]->setInt("noise", 2); - m_programs[m_currentShader]->setMatrix("view", view); - m_programs[m_currentShader]->setMatrix("invView", invView); + m_programs[m_currentShader]->enable(); + m_programs[m_currentShader]->setUniformValue("tex", 0); + m_programs[m_currentShader]->setUniformValue("env", 1); + m_programs[m_currentShader]->setUniformValue("noise", 2); + QMatrix4x4 mview; + QMatrix4x4 minvview; + memcpy(mview.data(), view.bits(), sizeof(float) * 16); + memcpy(minvview.data(), invView.bits(), sizeof(float) * 16); + m_programs[m_currentShader]->setUniformValue("view", mview); + m_programs[m_currentShader]->setUniformValue("invView", minvview); m_box->draw(); - m_programs[m_currentShader]->unbind(); + m_programs[m_currentShader]->disable(); if (glActiveTexture) { if (m_dynamicCubemap) @@ -1021,20 +1031,20 @@ void Scene::toggleDynamicCubemap(int state) void Scene::setColorParameter(const QString &name, QRgb color) { // set the color in all programs - foreach (GLProgram *program, m_programs) { - program->bind(); - program->setColor(name, color); - program->unbind(); + foreach (QGLShaderProgram *program, m_programs) { + program->enable(); + program->setUniformValue(program->uniformLocation(name), QColor(color)); + program->disable(); } } void Scene::setFloatParameter(const QString &name, float value) { // set the color in all programs - foreach (GLProgram *program, m_programs) { - program->bind(); - program->setFloat(name, value); - program->unbind(); + foreach (QGLShaderProgram *program, m_programs) { + program->enable(); + program->setUniformValue(program->uniformLocation(name), value); + program->disable(); } } diff --git a/demos/boxes/scene.h b/demos/boxes/scene.h index 2db9317..c056739 100644 --- a/demos/boxes/scene.h +++ b/demos/boxes/scene.h @@ -53,7 +53,6 @@ #include "vector.h" #include "trackball.h" #include "glbuffers.h" -#include "glshaders.h" #include "qtbox.h" #define PI 3.14159265358979 @@ -231,11 +230,11 @@ private: GLTexture3D *m_noise; GLRenderTargetCube *m_mainCubemap; QVector<GLRenderTargetCube *> m_cubemaps; - QVector<GLProgram *> m_programs; - GLVertexShader *m_vertexShader; - QVector<GLFragmentShader *> m_fragmentShaders; - GLFragmentShader *m_environmentShader; - GLProgram *m_environmentProgram; + QVector<QGLShaderProgram *> m_programs; + QGLShader *m_vertexShader; + QVector<QGLShader *> m_fragmentShaders; + QGLShader *m_environmentShader; + QGLShaderProgram *m_environmentProgram; }; diff --git a/examples/opengl/hellogl_es2/glwidget.cpp b/examples/opengl/hellogl_es2/glwidget.cpp index 213c5b2..ee50670 100644 --- a/examples/opengl/hellogl_es2/glwidget.cpp +++ b/examples/opengl/hellogl_es2/glwidget.cpp @@ -48,124 +48,10 @@ const int bubbleNum = 8; -inline void CrossProduct(qreal &xOut, qreal &yOut, qreal &zOut, qreal x1, qreal y1, qreal z1, qreal x2, qreal y2, qreal z2) -{ - xOut = y1 * z2 - z1 * y2; - yOut = z1 * x2 - x1 * z2; - zOut = x1 * y2 - y1 * x2; -} - -inline void Normalize(qreal &x, qreal &y, qreal &z) -{ - qreal l = sqrt(x*x + y*y + z*z); - x = x / l; - y = y / l; - z = z / l; -} - -inline void IdentityMatrix(GLfloat *m) -{ - m[0 * 4 + 0] = 1.0f; - m[1 * 4 + 0] = 0.0f; - m[2 * 4 + 0] = 0.0f; - m[3 * 4 + 0] = 0.0f; - m[0 * 4 + 1] = 0.0f; - m[1 * 4 + 1] = 1.0f; - m[2 * 4 + 1] = 0.0f; - m[3 * 4 + 1] = 0.0f; - m[0 * 4 + 2] = 0.0f; - m[1 * 4 + 2] = 0.0f; - m[2 * 4 + 2] = 1.0f; - m[3 * 4 + 2] = 0.0f; - m[0 * 4 + 3] = 0.0f; - m[1 * 4 + 3] = 0.0f; - m[2 * 4 + 3] = 0.0f; - m[3 * 4 + 3] = 1.0f; -} - -// Adjust a 4x4 matrix to apply a scale. -inline void ScaleMatrix(GLfloat *m, GLfloat scalex, GLfloat scaley, GLfloat scalez) -{ - m[0 * 4 + 0] *= scalex; - m[0 * 4 + 1] *= scalex; - m[0 * 4 + 2] *= scalex; - m[0 * 4 + 3] *= scalex; - m[1 * 4 + 0] *= scaley; - m[1 * 4 + 1] *= scaley; - m[1 * 4 + 2] *= scaley; - m[1 * 4 + 3] *= scaley; - m[2 * 4 + 0] *= scalez; - m[2 * 4 + 1] *= scalez; - m[2 * 4 + 2] *= scalez; - m[2 * 4 + 3] *= scalez; -} - -// Adjust a 4x4 matrix to apply a translation. -inline void TranslateMatrix(GLfloat *m, GLfloat translatex, GLfloat translatey, GLfloat translatez) -{ - m[3 * 4 + 0] += m[0 * 4 + 0] * translatex + m[1 * 4 + 0] * translatey + m[2 * 4 + 0] * translatez; - m[3 * 4 + 1] += m[0 * 4 + 1] * translatex + m[1 * 4 + 1] * translatey + m[2 * 4 + 1] * translatez; - m[3 * 4 + 2] += m[0 * 4 + 2] * translatex + m[1 * 4 + 2] * translatey + m[2 * 4 + 2] * translatez; - m[3 * 4 + 3] += m[0 * 4 + 3] * translatex + m[1 * 4 + 3] * translatey + m[2 * 4 + 3] * translatez; -} - -#ifndef M_PI -#define M_PI 3.14159265358979323846 -#endif - -// Adjust a 4x4 matrix to apply a rotation. -inline void RotateMatrix(GLfloat *m, GLfloat angle, GLfloat vx, GLfloat vy, GLfloat vz) -{ - GLfloat len = sqrt(vx * vx + vy * vy + vz * vz); - if (len != 0) { - vx /= len; - vy /= len; - vz /= len; - } - - GLfloat c, s, ic; - c = cos(angle * M_PI / 180.0); - s = sin(angle * M_PI / 180.0); - ic = 1.0f - c; - - GLfloat rot[16]; - rot[0 * 4 + 0] = vx * vx * ic + c; - rot[1 * 4 + 0] = vx * vy * ic - vz * s; - rot[2 * 4 + 0] = vx * vz * ic + vy * s; - rot[3 * 4 + 0] = 0.0f; - rot[0 * 4 + 1] = vy * vx * ic + vz * s; - rot[1 * 4 + 1] = vy * vy * ic + c; - rot[2 * 4 + 1] = vy * vz * ic - vx * s; - rot[3 * 4 + 1] = 0.0f; - rot[0 * 4 + 2] = vx * vz * ic - vy * s; - rot[1 * 4 + 2] = vy * vz * ic + vx * s; - rot[2 * 4 + 2] = vz * vz * ic + c; - rot[3 * 4 + 2] = 0.0f; - rot[0 * 4 + 3] = 0.0f; - rot[1 * 4 + 3] = 0.0f; - rot[2 * 4 + 3] = 0.0f; - rot[3 * 4 + 3] = 1.0f; - - GLfloat temp[16]; - for (int i = 0; i < 4; ++i) { - for (int j = 0; j < 4; ++j) { - temp[j * 4 + i] = 0.0f; - for (int k = 0; k < 4; ++k) { - temp[j * 4 + i] += m[k * 4 + i] * rot[j * 4 + k]; - } - } - } - - qMemCopy(m, temp, sizeof(temp)); -} - GLWidget::GLWidget(QWidget *parent) : QGLWidget(parent) { qtLogo = true; - createdVertices = 0; - createdNormals = 0; - m_vertexNumber = 0; frames = 0; setAttribute(Qt::WA_PaintOnScreen); setAttribute(Qt::WA_NoSystemBackground); @@ -178,10 +64,6 @@ GLWidget::GLWidget(QWidget *parent) GLWidget::~GLWidget() { - if (createdVertices) - delete[] createdVertices; - if (createdNormals) - delete[] createdNormals; } void GLWidget::setScaling(int scale) { @@ -210,13 +92,11 @@ void GLWidget::showBubbles(bool bubbles) void GLWidget::paintQtLogo() { glDisable(GL_TEXTURE_2D); - glVertexAttribPointer(vertexAttr1, 3, GL_FLOAT, GL_FALSE, 0, createdVertices); - glEnableVertexAttribArray(vertexAttr1); - glVertexAttribPointer(normalAttr1, 3, GL_FLOAT, GL_FALSE, 0, createdNormals); - glEnableVertexAttribArray(normalAttr1); - glDrawArrays(GL_TRIANGLES, 0, m_vertexNumber / 3); - glDisableVertexAttribArray(normalAttr1); - glDisableVertexAttribArray(vertexAttr1); + program1.setAttributeArray(vertexAttr1, vertices.constData()); + program1.setAttributeArray(normalAttr1, normals.constData()); + glDrawArrays(GL_TRIANGLES, 0, vertices.size()); + program1.disableAttributeArray(normalAttr1); + program1.disableAttributeArray(vertexAttr1); } void GLWidget::paintTexturedCube() @@ -239,8 +119,7 @@ void GLWidget::paintTexturedCube() -0.5, -0.5, -0.5, -0.5, -0.5, 0.5, 0.5, -0.5, -0.5, 0.5, -0.5, 0.5, 0.5, -0.5, -0.5, -0.5, -0.5, 0.5 }; - glVertexAttribPointer(vertexAttr2, 3, GL_FLOAT, GL_FALSE, 0, afVertices); - glEnableVertexAttribArray(vertexAttr2); + program2.setAttributeArray(vertexAttr2, afVertices, 3); GLfloat afTexCoord[] = { 0.0f,0.0f, 1.0f,1.0f, 1.0f,0.0f, @@ -258,8 +137,7 @@ void GLWidget::paintTexturedCube() 1.0f,0.0f, 1.0f,1.0f, 0.0f,0.0f, 0.0f,1.0f, 0.0f,0.0f, 1.0f,1.0f }; - glVertexAttribPointer(texCoordAttr2, 2, GL_FLOAT, GL_FALSE, 0, afTexCoord); - glEnableVertexAttribArray(texCoordAttr2); + program2.setAttributeArray(texCoordAttr2, afTexCoord, 2); GLfloat afNormals[] = { @@ -278,50 +156,15 @@ void GLWidget::paintTexturedCube() 0,1,0, 0,1,0, 0,1,0, 0,1,0, 0,1,0, 0,1,0 }; - glVertexAttribPointer(normalAttr2, 3, GL_FLOAT, GL_FALSE, 0, afNormals); - glEnableVertexAttribArray(normalAttr2); + program2.setAttributeArray(normalAttr2, afNormals, 3); - glUniform1i(textureUniform2, 0); // use texture unit 0 + program2.setUniformValue(textureUniform2, 0); // use texture unit 0 glDrawArrays(GL_TRIANGLES, 0, 36); - glDisableVertexAttribArray(vertexAttr2); - glDisableVertexAttribArray(normalAttr2); - glDisableVertexAttribArray(texCoordAttr2); -} - -static void reportCompileErrors(GLuint shader, const char *src) -{ - GLint value = 0; - glGetShaderiv(shader, GL_COMPILE_STATUS, &value); - bool compiled = (value != 0); - value = 0; - glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &value); - if (!compiled && value > 1) { - char *log = new char [value]; - GLint len; - glGetShaderInfoLog(shader, value, &len, log); - qWarning("%s\n", log); - qWarning("when compiling:\n%s\n", src); - delete [] log; - } -} - -static void reportLinkErrors(GLuint program, const char *vsrc, const char *fsrc) -{ - GLint value = 0; - glGetProgramiv(program, GL_LINK_STATUS, &value); - bool linked = (value != 0); - value = 0; - glGetProgramiv(program, GL_INFO_LOG_LENGTH, &value); - if (!linked && value > 1) { - char *log = new char [value]; - GLint len; - glGetProgramInfoLog(program, value, &len, log); - qWarning("%s\n", log); - qWarning("when linking:\n%s\nwith:\n%s\n", vsrc, fsrc); - delete [] log; - } + program2.disableAttributeArray(vertexAttr2); + program2.disableAttributeArray(normalAttr2); + program2.disableAttributeArray(texCoordAttr2); } void GLWidget::initializeGL () @@ -332,8 +175,8 @@ void GLWidget::initializeGL () glGenTextures(1, &m_uiTexture); m_uiTexture = bindTexture(QImage(":/qt.png")); - GLuint vshader1 = glCreateShader(GL_VERTEX_SHADER); - const char *vsrc1[1] = { + QGLShader *vshader1 = new QGLShader(QGLShader::VertexShader, this); + const char *vsrc1 = "attribute highp vec4 vertex;\n" "attribute mediump vec3 normal;\n" "uniform mediump mat4 matrix;\n" @@ -346,36 +189,28 @@ void GLWidget::initializeGL () " color = vec4(col * 0.2 + col * 0.8 * angle, 1.0);\n" " color = clamp(color, 0.0, 1.0);\n" " gl_Position = matrix * vertex;\n" - "}\n" - }; - glShaderSource(vshader1, 1, vsrc1, 0); - glCompileShader(vshader1); - reportCompileErrors(vshader1, vsrc1[0]); + "}\n"; + vshader1->setSourceCode(vsrc1); - GLuint fshader1 = glCreateShader(GL_FRAGMENT_SHADER); - const char *fsrc1[1] = { + QGLShader *fshader1 = new QGLShader(QGLShader::FragmentShader, this); + const char *fsrc1 = "varying mediump vec4 color;\n" "void main(void)\n" "{\n" " gl_FragColor = color;\n" - "}\n" - }; - glShaderSource(fshader1, 1, fsrc1, 0); - glCompileShader(fshader1); - reportCompileErrors(fshader1, fsrc1[0]); - - program1 = glCreateProgram(); - glAttachShader(program1, vshader1); - glAttachShader(program1, fshader1); - glLinkProgram(program1); - reportLinkErrors(program1, vsrc1[0], fsrc1[0]); - - vertexAttr1 = glGetAttribLocation(program1, "vertex"); - normalAttr1 = glGetAttribLocation(program1, "normal"); - matrixUniform1 = glGetUniformLocation(program1, "matrix"); - - GLuint vshader2 = glCreateShader(GL_VERTEX_SHADER); - const char *vsrc2[1] = { + "}\n"; + fshader1->setSourceCode(fsrc1); + + program1.addShader(vshader1); + program1.addShader(fshader1); + program1.link(); + + vertexAttr1 = program1.attributeLocation("vertex"); + normalAttr1 = program1.attributeLocation("normal"); + matrixUniform1 = program1.uniformLocation("matrix"); + + QGLShader *vshader2 = new QGLShader(QGLShader::VertexShader); + const char *vsrc2 = "attribute highp vec4 vertex;\n" "attribute highp vec4 texCoord;\n" "attribute mediump vec3 normal;\n" @@ -388,14 +223,11 @@ void GLWidget::initializeGL () " angle = max(dot(normal, toLight), 0.0);\n" " gl_Position = matrix * vertex;\n" " texc = texCoord;\n" - "}\n" - }; - glShaderSource(vshader2, 1, vsrc2, 0); - glCompileShader(vshader2); - reportCompileErrors(vshader2, vsrc2[0]); + "}\n"; + vshader2->setSourceCode(vsrc2); - GLuint fshader2 = glCreateShader(GL_FRAGMENT_SHADER); - const char *fsrc2[1] = { + QGLShader *fshader2 = new QGLShader(QGLShader::FragmentShader); + const char *fsrc2 = "varying highp vec4 texc;\n" "uniform sampler2D tex;\n" "varying mediump float angle;\n" @@ -404,23 +236,18 @@ void GLWidget::initializeGL () " highp vec3 color = texture2D(tex, texc.st).rgb;\n" " color = color * 0.2 + color * 0.8 * angle;\n" " gl_FragColor = vec4(clamp(color, 0.0, 1.0), 1.0);\n" - "}\n" - }; - glShaderSource(fshader2, 1, fsrc2, 0); - glCompileShader(fshader2); - reportCompileErrors(fshader2, fsrc2[0]); - - program2 = glCreateProgram(); - glAttachShader(program2, vshader2); - glAttachShader(program2, fshader2); - glLinkProgram(program2); - reportLinkErrors(program2, vsrc2[0], fsrc2[0]); - - vertexAttr2 = glGetAttribLocation(program2, "vertex"); - normalAttr2 = glGetAttribLocation(program2, "normal"); - texCoordAttr2 = glGetAttribLocation(program2, "texCoord"); - matrixUniform2 = glGetUniformLocation(program2, "matrix"); - textureUniform2 = glGetUniformLocation(program2, "tex"); + "}\n"; + fshader2->setSourceCode(fsrc2); + + program2.addShader(vshader2); + program2.addShader(fshader2); + program2.link(); + + vertexAttr2 = program2.attributeLocation("vertex"); + normalAttr2 = program2.attributeLocation("normal"); + texCoordAttr2 = program2.attributeLocation("texCoord"); + matrixUniform2 = program2.uniformLocation("matrix"); + textureUniform2 = program2.uniformLocation("tex"); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR ); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); @@ -450,24 +277,23 @@ void GLWidget::paintGL() glEnable(GL_CULL_FACE); glEnable(GL_DEPTH_TEST); - GLfloat modelview[16]; - IdentityMatrix(modelview); - RotateMatrix(modelview, m_fAngle, 0.0, 1.0, 0.0); - RotateMatrix(modelview, m_fAngle, 1.0, 0.0, 0.0); - RotateMatrix(modelview, m_fAngle, 0.0, 0.0, 1.0); - ScaleMatrix(modelview, m_fScale, m_fScale, m_fScale); - TranslateMatrix(modelview, 0, -0.2, 0); + QMatrix4x4 modelview; + modelview.rotate(m_fAngle, 0.0f, 1.0f, 0.0f); + modelview.rotate(m_fAngle, 1.0f, 0.0f, 0.0f); + modelview.rotate(m_fAngle, 0.0f, 0.0f, 1.0f); + modelview.scale(m_fScale); + modelview.translate(0.0f, -0.2f, 0.0f); if (qtLogo) { - glUseProgram(program1); - glUniformMatrix4fv(matrixUniform1, 1, GL_FALSE, modelview); + program1.enable(); + program1.setUniformValue(matrixUniform1, modelview); paintQtLogo(); - glUseProgram(0); + program1.disable(); } else { - glUseProgram(program2); - glUniformMatrix4fv(matrixUniform2, 1, GL_FALSE, modelview); + program2.enable(); + program1.setUniformValue(matrixUniform2, modelview); paintTexturedCube(); - glUseProgram(0); + program2.disable(); } glDisable(GL_DEPTH_TEST); @@ -563,80 +389,69 @@ void GLWidget::createGeometry() extrude(x8, y8, x5, y5); } - m_vertexNumber = vertices.size(); - createdVertices = new GLfloat[m_vertexNumber]; - createdNormals = new GLfloat[m_vertexNumber]; - for (int i = 0;i < m_vertexNumber;i++) { - createdVertices[i] = vertices.at(i) * 2; - createdNormals[i] = normals.at(i); - } - vertices.clear(); - normals.clear(); + for (int i = 0;i < vertices.size();i++) + vertices[i] *= 2.0f; } void GLWidget::quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4) { - qreal nx, ny, nz; + vertices << QVector3D(x1, y1, -0.05f); + vertices << QVector3D(x2, y2, -0.05f); + vertices << QVector3D(x4, y4, -0.05f); - vertices << x1 << y1 << -0.05f; - vertices << x2 << y2 << -0.05f; - vertices << x4 << y4 << -0.05f; + vertices << QVector3D(x3, y3, -0.05f); + vertices << QVector3D(x4, y4, -0.05f); + vertices << QVector3D(x2, y2, -0.05f); - vertices << x3 << y3 << -0.05f; - vertices << x4 << y4 << -0.05f; - vertices << x2 << y2 << -0.05f; + QVector3D n = QVector3D::normal + (QVector3D(x2 - x1, y2 - y1, 0.0f), QVector3D(x4 - x1, y4 - y1, 0.0f)); - CrossProduct(nx, ny, nz, x2 - x1, y2 - y1, 0, x4 - x1, y4 - y1, 0); - Normalize(nx, ny, nz); + normals << n; + normals << n; + normals << n; - normals << nx << ny << nz; - normals << nx << ny << nz; - normals << nx << ny << nz; + normals << n; + normals << n; + normals << n; - normals << nx << ny << nz; - normals << nx << ny << nz; - normals << nx << ny << nz; + vertices << QVector3D(x4, y4, 0.05f); + vertices << QVector3D(x2, y2, 0.05f); + vertices << QVector3D(x1, y1, 0.05f); - vertices << x4 << y4 << 0.05f; - vertices << x2 << y2 << 0.05f; - vertices << x1 << y1 << 0.05f; + vertices << QVector3D(x2, y2, 0.05f); + vertices << QVector3D(x4, y4, 0.05f); + vertices << QVector3D(x3, y3, 0.05f); - vertices << x2 << y2 << 0.05f; - vertices << x4 << y4 << 0.05f; - vertices << x3 << y3 << 0.05f; + n = QVector3D::normal + (QVector3D(x2 - x4, y2 - y4, 0.0f), QVector3D(x1 - x4, y1 - y4, 0.0f)); - CrossProduct(nx, ny, nz, x2 - x4, y2 - y4, 0, x1 - x4, y1 - y4, 0); - Normalize(nx, ny, nz); + normals << n; + normals << n; + normals << n; - normals << nx << ny << nz; - normals << nx << ny << nz; - normals << nx << ny << nz; - - normals << nx << ny << nz; - normals << nx << ny << nz; - normals << nx << ny << nz; + normals << n; + normals << n; + normals << n; } void GLWidget::extrude(qreal x1, qreal y1, qreal x2, qreal y2) { - qreal nx, ny, nz; - - vertices << x1 << y1 << +0.05f; - vertices << x2 << y2 << +0.05f; - vertices << x1 << y1 << -0.05f; + vertices << QVector3D(x1, y1, +0.05f); + vertices << QVector3D(x2, y2, +0.05f); + vertices << QVector3D(x1, y1, -0.05f); - vertices << x2 << y2 << -0.05f; - vertices << x1 << y1 << -0.05f; - vertices << x2 << y2 << +0.05f; + vertices << QVector3D(x2, y2, -0.05f); + vertices << QVector3D(x1, y1, -0.05f); + vertices << QVector3D(x2, y2, +0.05f); - CrossProduct(nx, ny, nz, x2 - x1, y2 - y1, 0.0f, 0.0f, 0.0f, -0.1f); - Normalize(nx, ny, nz); + QVector3D n = QVector3D::normal + (QVector3D(x2 - x1, y2 - y1, 0.0f), QVector3D(0.0f, 0.0f, -0.1f)); - normals << nx << ny << nz; - normals << nx << ny << nz; - normals << nx << ny << nz; + normals << n; + normals << n; + normals << n; - normals << nx << ny << nz; - normals << nx << ny << nz; - normals << nx << ny << nz; + normals << n; + normals << n; + normals << n; } diff --git a/examples/opengl/hellogl_es2/glwidget.h b/examples/opengl/hellogl_es2/glwidget.h index 9a7823a..596e1cc 100644 --- a/examples/opengl/hellogl_es2/glwidget.h +++ b/examples/opengl/hellogl_es2/glwidget.h @@ -43,7 +43,11 @@ #define GLWIDGET_H #include <QGLWidget> +#include <QtGui/qvector3d.h> +#include <QtGui/qmatrix4x4.h> +#include <QtOpenGL/qglshaderprogram.h> #include <QTime> +#include <QVector> class Bubble; class GLWidget : public QGLWidget { @@ -71,24 +75,21 @@ private: void createBubbles(int number); void quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4); void extrude(qreal x1, qreal y1, qreal x2, qreal y2); - QList<qreal> vertices; - QList<qreal> normals; - GLfloat *createdVertices; - GLfloat *createdNormals; - int m_vertexNumber; + QVector<QVector3D> vertices; + QVector<QVector3D> normals; bool qtLogo; QList<Bubble*> bubbles; int frames; QTime time; - GLuint program1; - GLuint program2; - GLuint vertexAttr1; - GLuint normalAttr1; - GLuint matrixUniform1; - GLuint vertexAttr2; - GLuint normalAttr2; - GLuint texCoordAttr2; - GLuint matrixUniform2; - GLuint textureUniform2; + QGLShaderProgram program1; + QGLShaderProgram program2; + int vertexAttr1; + int normalAttr1; + int matrixUniform1; + int vertexAttr2; + int normalAttr2; + int texCoordAttr2; + int matrixUniform2; + int textureUniform2; }; #endif diff --git a/src/opengl/gl2paintengineex/glgc_shader_source.h b/src/opengl/gl2paintengineex/glgc_shader_source.h deleted file mode 100644 index 5b9d28b..0000000 --- a/src/opengl/gl2paintengineex/glgc_shader_source.h +++ /dev/null @@ -1,289 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Qt Software Information (qt-info@nokia.com) -** -** This file is part of the QtOpenGL module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at qt-sales@nokia.com. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef GLGC_SHADER_SOURCE_H -#define GLGC_SHADER_SOURCE_H - -QT_BEGIN_HEADER - -QT_BEGIN_NAMESPACE - -QT_MODULE(OpenGL) - -static const char* qglslImageVertexShader = "\ - attribute highp vec4 inputVertex; \ - attribute lowp vec2 textureCoord; \ - uniform highp mat4 pmvMatrix; \ - varying lowp vec2 fragTextureCoord; \ - void main(void) \ - {\ - gl_Position = pmvMatrix * inputVertex;\ - fragTextureCoord = textureCoord; \ - }"; - -static const char* qglslImageFragmentShader = "\ - varying lowp vec2 fragTextureCoord;\ - uniform sampler2D textureSampler;\ - uniform lowp float opacity; \ - void main(void) \ - {\ - gl_FragColor = texture2D(textureSampler, fragTextureCoord) * opacity; \ - }"; - -static const char* qglslTextFragmentShader = "\ - varying lowp vec2 fragTextureCoord;\ - uniform mediump vec4 fragmentColor;\ - uniform sampler2D textureSampler;\ - void main(void) \ - {\ - highp vec4 tex = texture2D(textureSampler, fragTextureCoord); \ - tex = fragmentColor * tex.r; \ - gl_FragColor = tex; \ - }"; - -static const char* qglslDefaultVertexShader = "\ - attribute highp vec4 inputVertex;\ - uniform highp mat4 pmvMatrix;\ - void main(void)\ - {\ - gl_Position = pmvMatrix * inputVertex;\ - }"; - -static const char* qglslSimpleFragmentShader = "\ - void main (void)\ - {\ - gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);\ - }"; - - -/**** FRAGMENT SHADER MAIN FUNCTIONS ****/ -// NOTE: Currently, the engine assumes brushes return colors already in pre-multiplied -// format. However, this may change if we add support for non-premultiplied - -static const char* qglslNoOpacityFragmentShaderMain = "\n\ - mediump vec4 brush();\ - void main (void)\ - {\ - gl_FragColor = brush();\ - }\n"; - -static const char* qglslFragmentShaderMain = "\n\ - mediump vec4 brush();\ - uniform lowp float opacity; \ - void main (void)\ - {\ - gl_FragColor = brush() * opacity;\ - }\n"; - - - -/**** BRUSH SHADERS ****/ - -// This should never actually be used -static const char* qglslNoBrushFragmentShader = "\n\ - mediump vec4 brush() { \ - discard; \ - return vec4(1.0, 0.8, 0.8, 1.0);\ - }\n"; - -// Solid Fill Brush -static const char* qglslSolidBrushFragmentShader = "\n\ - uniform mediump vec4 fragmentColor; \ - mediump vec4 brush() { \ - return fragmentColor;\ - }\n"; - -// Texture Brush -static const char* qglslTextureBrushVertexShader = "\ - attribute highp vec4 inputVertex; \ - uniform highp mat4 pmvMatrix; \ - uniform mediump vec2 halfViewportSize; \ - uniform mediump vec2 invertedTextureSize; \ - uniform mediump mat3 brushTransform; \ - varying mediump vec2 texCoords; \ - void main(void) { \ - gl_Position = pmvMatrix * inputVertex;\ - gl_Position.xy = gl_Position.xy / gl_Position.w; \ - mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \ - mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \ - mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \ - gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \ - gl_Position.w = invertedHTexCoordsZ; \ - texCoords.xy = (hTexCoords.xy * invertedTextureSize) * gl_Position.w; \ - texCoords.y = -texCoords.y; \ - }"; - -static const char* qglslTextureBrushFragmentShader = "\n\ - varying mediump vec2 texCoords;\ - uniform sampler2D brushTexture;\ - mediump vec4 brush() { \ - return texture2D(brushTexture, texCoords); \ - }\n"; - - -// Pattern Brush - This assumes the texture size is 8x8 and thus, the inverted size is 0.125 -static const char* qglslPatternBrushVertexShader = "\ - attribute highp vec4 inputVertex; \ - uniform highp mat4 pmvMatrix; \ - uniform mediump vec2 halfViewportSize; \ - uniform mediump vec2 invertedTextureSize; \ - uniform mediump mat3 brushTransform; \ - varying mediump vec2 texCoords; \ - void main(void) { \ - gl_Position = pmvMatrix * inputVertex;\ - gl_Position.xy = gl_Position.xy / gl_Position.w; \ - mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \ - mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \ - mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \ - gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \ - gl_Position.w = invertedHTexCoordsZ; \ - texCoords.xy = (hTexCoords.xy * 0.125) * invertedHTexCoordsZ; \ - texCoords.y = -texCoords.y; \ - }"; - -static const char* qglslPatternBrushFragmentShader = "\n\ - uniform sampler2D brushTexture;\ - uniform lowp vec4 patternColor; \ - varying mediump vec2 texCoords;\ - mediump vec4 brush() { \ - return patternColor * texture2D(brushTexture, texCoords).r; \ - }\n"; - - -// Linear Gradient Brush -static const char* qglslLinearGradientBrushVertexShader = "\ - attribute highp vec4 inputVertex; \ - uniform highp mat4 pmvMatrix; \ - uniform mediump vec2 halfViewportSize; \ - uniform highp vec3 linearData; \ - uniform mediump mat3 brushTransform; \ - varying mediump float index ; \ - void main() { \ - gl_Position = pmvMatrix * inputVertex;\ - gl_Position.xy = gl_Position.xy / gl_Position.w; \ - mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \ - mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \ - mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \ - gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \ - gl_Position.w = invertedHTexCoordsZ; \ - index = (dot(linearData.xy, hTexCoords.xy) * linearData.z) * invertedHTexCoordsZ; \ - }"; - -static const char* qglslLinearGradientBrushFragmentShader = "\n\ - uniform sampler2D brushTexture; \ - varying mediump float index; \ - mediump vec4 brush() { \ - mediump vec2 val = vec2(index, 0.5); \ - return texture2D(brushTexture, val); \ - }\n"; - - -static const char* qglslRadialGradientBrushVertexShader = "\ - attribute highp vec4 inputVertex;\ - uniform highp mat4 pmvMatrix;\ - uniform mediump vec2 halfViewportSize; \ - uniform highp mat3 brushTransform; \ - uniform highp vec2 fmp; \ - varying highp float b; \ - varying highp vec2 A; \ - void main(void) \ - {\ - gl_Position = pmvMatrix * inputVertex;\ - gl_Position.xy = gl_Position.xy / gl_Position.w; \ - mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \ - mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \ - mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \ - gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \ - gl_Position.w = invertedHTexCoordsZ; \ - A = hTexCoords.xy * invertedHTexCoordsZ; \ - b = 2.0 * fmp * (A.x + A.y); \ -\ - }"; - -static const char* qglslRadialGradientBrushFragmentShader = "\n\ - uniform sampler2D brushTexture; \ - uniform highp float fmp2_m_radius2; \ - uniform highp float inverse_2_fmp2_m_radius2; \ - varying highp float b; \ - varying highp vec2 A; \ -\ - mediump vec4 brush() { \ - highp float c = -dot(A, A); \ - highp vec2 val = vec2((-b + sqrt(b*b - 4.0*fmp2_m_radius2*c)) * inverse_2_fmp2_m_radius2, 0.5); \ - return texture2D(brushTexture, val); \ - }\n"; - -static const char* qglslConicalGradientBrushVertexShader = "\ - attribute highp vec4 inputVertex;\ - uniform highp mat4 pmvMatrix;\ - uniform mediump vec2 halfViewportSize; \ - uniform highp mat3 brushTransform; \ - varying highp vec2 A; \ - void main(void)\ - {\ - gl_Position = pmvMatrix * inputVertex;\ - gl_Position.xy = gl_Position.xy / gl_Position.w; \ - mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \ - mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \ - mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \ - gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \ - gl_Position.w = invertedHTexCoordsZ; \ - A = hTexCoords.xy * invertedHTexCoordsZ; \ - }"; - -static const char* qglslConicalGradientBrushFragmentShader = "\n\ - #define INVERSE_2PI 0.1591549430918953358 \n\ - uniform sampler2D brushTexture; \ - uniform mediump float angle; \ - varying highp vec2 A; \ - mediump vec4 brush() { \ - if (abs(A.y) == abs(A.x)) \ - A.y += 0.002; \ - highp float t = (atan2(-A.y, A.x) + angle) * INVERSE_2PI; \ - return texture2D(brushTexture, vec2(t - floor(t), 0.5)); \ - }\n"; - - -QT_END_NAMESPACE - -QT_END_HEADER - -#endif // GLGC_SHADER_SOURCE_H diff --git a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp new file mode 100644 index 0000000..a4d8b77 --- /dev/null +++ b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp @@ -0,0 +1,465 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtOpenGL module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qglengineshadermanager_p.h" +#include "qglengineshadersource_p.h" + +#if defined(QT_DEBUG) +#include <QMetaEnum> +#endif + + +const char* QGLEngineShaderManager::qglEngineShaderSourceCode[] = { + 0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0 +}; + +QGLEngineShaderManager::QGLEngineShaderManager(QGLContext* context) + : ctx(context), + shaderProgNeedsChanging(true), + srcPixelType(Qt::NoBrush), + useGlobalOpacity(false), + maskType(NoMask), + useTextureCoords(false), + compositionMode(QPainter::CompositionMode_SourceOver), + simpleShaderProg(0), + currentShaderProg(0) +{ + memset(compiledShaders, 0, sizeof(compiledShaders)); + +/* + Rather than having the shader source array statically initialised, it is initialised + here instead. This is to allow new shader names to be inserted or existing names moved + around without having to change the order of the glsl strings. It is hoped this will + make future hard-to-find runtime bugs more obvious and generally give more solid code. +*/ + static bool qglEngineShaderSourceCodePopulated = false; + if (!qglEngineShaderSourceCodePopulated) { + + const char** code = qglEngineShaderSourceCode; // shortcut + + code[MainVertexShader] = qglslMainVertexShader; + code[MainWithTexCoordsVertexShader] = qglslMainWithTexCoordsVertexShader; + + code[PositionOnlyVertexShader] = qglslPositionOnlyVertexShader; + code[PositionWithPatternBrushVertexShader] = qglslPositionWithPatternBrushVertexShader; + code[PositionWithLinearGradientBrushVertexShader] = qglslPositionWithLinearGradientBrushVertexShader; + code[PositionWithConicalGradientBrushVertexShader] = qglslPositionWithConicalGradientBrushVertexShader; + code[PositionWithRadialGradientBrushVertexShader] = qglslPositionWithRadialGradientBrushVertexShader; + code[PositionWithTextureBrushVertexShader] = qglslPositionWithTextureBrushVertexShader; + code[AffinePositionWithPatternBrushVertexShader] = qglslAffinePositionWithPatternBrushVertexShader; + code[AffinePositionWithLinearGradientBrushVertexShader] = qglslAffinePositionWithLinearGradientBrushVertexShader; + code[AffinePositionWithConicalGradientBrushVertexShader] = qglslAffinePositionWithConicalGradientBrushVertexShader; + code[AffinePositionWithRadialGradientBrushVertexShader] = qglslAffinePositionWithRadialGradientBrushVertexShader; + code[AffinePositionWithTextureBrushVertexShader] = qglslAffinePositionWithTextureBrushVertexShader; + + code[MainFragmentShader_CMO] = qglslMainFragmentShader_CMO; + code[MainFragmentShader_CM] = qglslMainFragmentShader_CM; + code[MainFragmentShader_MO] = qglslMainFragmentShader_MO; + code[MainFragmentShader_M] = qglslMainFragmentShader_M; + code[MainFragmentShader_CO] = qglslMainFragmentShader_CO; + code[MainFragmentShader_C] = qglslMainFragmentShader_C; + code[MainFragmentShader_O] = qglslMainFragmentShader_O; + code[MainFragmentShader] = qglslMainFragmentShader; + + code[ImageSrcFragmentShader] = qglslImageSrcFragmentShader; + code[NonPremultipliedImageSrcFragmentShader] = qglslNonPremultipliedImageSrcFragmentShader; + code[SolidBrushSrcFragmentShader] = qglslSolidBrushSrcFragmentShader; + code[TextureBrushSrcFragmentShader] = qglslTextureBrushSrcFragmentShader; + code[PatternBrushSrcFragmentShader] = qglslPatternBrushSrcFragmentShader; + code[LinearGradientBrushSrcFragmentShader] = qglslLinearGradientBrushSrcFragmentShader; + code[RadialGradientBrushSrcFragmentShader] = qglslRadialGradientBrushSrcFragmentShader; + code[ConicalGradientBrushSrcFragmentShader] = qglslConicalGradientBrushSrcFragmentShader; + code[ShockingPinkSrcFragmentShader] = qglslShockingPinkSrcFragmentShader; + + code[MaskFragmentShader] = qglslMaskFragmentShader; + code[RgbMaskFragmentShader] = ""; //### + code[RgbMaskWithGammaFragmentShader] = ""; //### + + code[MultiplyCompositionModeFragmentShader] = ""; //### + code[ScreenCompositionModeFragmentShader] = ""; //### + code[OverlayCompositionModeFragmentShader] = ""; //### + code[DarkenCompositionModeFragmentShader] = ""; //### + code[LightenCompositionModeFragmentShader] = ""; //### + code[ColorDodgeCompositionModeFragmentShader] = ""; //### + code[ColorBurnCompositionModeFragmentShader] = ""; //### + code[HardLightCompositionModeFragmentShader] = ""; //### + code[SoftLightCompositionModeFragmentShader] = ""; //### + code[DifferenceCompositionModeFragmentShader] = ""; //### + code[ExclusionCompositionModeFragmentShader] = ""; //### + +#if defined(QT_DEBUG) + // Check that all the elements have been filled: + for (int i = 0; i < TotalShaderCount; ++i) { + if (qglEngineShaderSourceCode[i] == 0) { + int enumIndex = staticMetaObject.indexOfEnumerator("ShaderName"); + QMetaEnum m = staticMetaObject.enumerator(enumIndex); + + qCritical() << "qglEngineShaderSourceCode: Source for" << m.valueToKey(i) + << "(shader" << i << ") missing!"; + } + } +#endif + qglEngineShaderSourceCodePopulated = true; + } + + // Compile up the simple shader: + simpleShaderProg = new QGLShaderProgram(ctx, this); + compileNamedShader(MainVertexShader, QGLShader::PartialVertexShader); + compileNamedShader(PositionOnlyVertexShader, QGLShader::PartialVertexShader); + compileNamedShader(MainFragmentShader, QGLShader::PartialFragmentShader); + compileNamedShader(ShockingPinkSrcFragmentShader, QGLShader::PartialFragmentShader); + simpleShaderProg->addShader(compiledShaders[MainVertexShader]); + simpleShaderProg->addShader(compiledShaders[PositionOnlyVertexShader]); + simpleShaderProg->addShader(compiledShaders[MainFragmentShader]); + simpleShaderProg->addShader(compiledShaders[ShockingPinkSrcFragmentShader]); + simpleShaderProg->link(); + if (!simpleShaderProg->isValid()) { + qCritical() << "Errors linking simple shader:" + << simpleShaderProg->errors(); + } +} + +QGLEngineShaderManager::~QGLEngineShaderManager() +{ + //### +} + + + + + +void QGLEngineShaderManager::optimiseForBrushTransform(const QTransform transform) +{ + Q_UNUSED(transform); // Currently ignored +} + +void QGLEngineShaderManager::setSrcPixelType(Qt::BrushStyle style) +{ + srcPixelType = style; + shaderProgNeedsChanging = true; //### +} + +void QGLEngineShaderManager::setSrcPixelType(PixelSrcType type) +{ + srcPixelType = type; + shaderProgNeedsChanging = true; //### +} + +void QGLEngineShaderManager::setTextureCoordsEnabled(bool enabled) +{ + useTextureCoords = enabled; + shaderProgNeedsChanging = true; //### +} + +void QGLEngineShaderManager::setUseGlobalOpacity(bool useOpacity) +{ + useGlobalOpacity = useOpacity; + shaderProgNeedsChanging = true; //### +} + +void QGLEngineShaderManager::setMaskType(MaskType type) +{ + maskType = type; + shaderProgNeedsChanging = true; //### +} + +void QGLEngineShaderManager::setCompositionMode(QPainter::CompositionMode mode) +{ + compositionMode = mode; + shaderProgNeedsChanging = true; //### +} + +bool QGLEngineShaderManager::shaderProgramDirty() +{ + return shaderProgNeedsChanging; +} + +QGLShaderProgram* QGLEngineShaderManager::currentProgram() +{ + return currentShaderProg; +} + +QGLShaderProgram* QGLEngineShaderManager::simpleProgram() +{ + return simpleShaderProg; +} + + + + +// Select & use the correct shader program using the current state +void QGLEngineShaderManager::useCorrectShaderProg() +{ + QGLEngineShaderProg requiredProgram; + requiredProgram.program = 0; + + // Choose vertex shader main function + QGLEngineShaderManager::ShaderName mainVertexShaderName = InvalidShaderName; + if (useTextureCoords) + mainVertexShaderName = MainWithTexCoordsVertexShader; + else + mainVertexShaderName = MainVertexShader; + compileNamedShader(mainVertexShaderName, QGLShader::PartialVertexShader); + requiredProgram.mainVertexShader = compiledShaders[mainVertexShaderName]; + + // Choose vertex shader shader position function (which typically also sets + // varyings) and the source pixel (srcPixel) fragment shader function: + QGLEngineShaderManager::ShaderName positionVertexShaderName = InvalidShaderName; + QGLEngineShaderManager::ShaderName srcPixelFragShaderName = InvalidShaderName; + bool isAffine = brushTransform.isAffine(); + if ( (srcPixelType >= Qt::Dense1Pattern) && (srcPixelType <= Qt::DiagCrossPattern) ) { + if (isAffine) + positionVertexShaderName = AffinePositionWithPatternBrushVertexShader; + else + positionVertexShaderName = PositionWithPatternBrushVertexShader; + + srcPixelFragShaderName = PatternBrushSrcFragmentShader; + } + else switch (srcPixelType) { + default: + case Qt::NoBrush: + qCritical("QGLEngineShaderManager::useCorrectShaderProg() - I'm scared, Qt::NoBrush style is set"); + break; + case QGLEngineShaderManager::ImageSrc: + srcPixelFragShaderName = ImageSrcFragmentShader; + positionVertexShaderName = PositionOnlyVertexShader; + break; + case QGLEngineShaderManager::NonPremultipliedImageSrc: + srcPixelFragShaderName = NonPremultipliedImageSrcFragmentShader; + positionVertexShaderName = PositionOnlyVertexShader; + break; + case Qt::SolidPattern: + srcPixelFragShaderName = SolidBrushSrcFragmentShader; + positionVertexShaderName = PositionOnlyVertexShader; + break; + case Qt::LinearGradientPattern: + srcPixelFragShaderName = LinearGradientBrushSrcFragmentShader; + positionVertexShaderName = isAffine ? AffinePositionWithLinearGradientBrushVertexShader + : PositionWithLinearGradientBrushVertexShader; + break; + case Qt::ConicalGradientPattern: + srcPixelFragShaderName = ConicalGradientBrushSrcFragmentShader; + positionVertexShaderName = isAffine ? AffinePositionWithConicalGradientBrushVertexShader + : PositionWithConicalGradientBrushVertexShader; + break; + case Qt::RadialGradientPattern: + srcPixelFragShaderName = RadialGradientBrushSrcFragmentShader; + positionVertexShaderName = isAffine ? AffinePositionWithRadialGradientBrushVertexShader + : PositionWithRadialGradientBrushVertexShader; + break; + case Qt::TexturePattern: + srcPixelFragShaderName = TextureBrushSrcFragmentShader; + positionVertexShaderName = isAffine ? AffinePositionWithTextureBrushVertexShader + : PositionWithTextureBrushVertexShader; + break; + }; + compileNamedShader(positionVertexShaderName, QGLShader::PartialVertexShader); + compileNamedShader(srcPixelFragShaderName, QGLShader::PartialFragmentShader); + requiredProgram.positionVertexShader = compiledShaders[positionVertexShaderName]; + requiredProgram.srcPixelFragShader = compiledShaders[srcPixelFragShaderName]; + + + const bool hasCompose = compositionMode > QPainter::CompositionMode_Plus; + const bool hasMask = maskType != QGLEngineShaderManager::NoMask; + + // Choose fragment shader main function: + QGLEngineShaderManager::ShaderName mainFragShaderName; + + if (hasCompose && hasMask && useGlobalOpacity) + mainFragShaderName = MainFragmentShader_CMO; + if (hasCompose && hasMask && !useGlobalOpacity) + mainFragShaderName = MainFragmentShader_CM; + if (!hasCompose && hasMask && useGlobalOpacity) + mainFragShaderName = MainFragmentShader_MO; + if (!hasCompose && hasMask && !useGlobalOpacity) + mainFragShaderName = MainFragmentShader_M; + if (hasCompose && !hasMask && useGlobalOpacity) + mainFragShaderName = MainFragmentShader_CO; + if (hasCompose && !hasMask && !useGlobalOpacity) + mainFragShaderName = MainFragmentShader_C; + if (!hasCompose && !hasMask && useGlobalOpacity) + mainFragShaderName = MainFragmentShader_O; + if (!hasCompose && !hasMask && !useGlobalOpacity) + mainFragShaderName = MainFragmentShader; + + compileNamedShader(mainFragShaderName, QGLShader::PartialFragmentShader); + requiredProgram.mainFragShader = compiledShaders[mainFragShaderName]; + + if (hasMask) { + QGLEngineShaderManager::ShaderName maskShaderName = QGLEngineShaderManager::InvalidShaderName; + if (maskType == PixelMask) + maskShaderName = MaskFragmentShader; + else if (maskType == SubPixelMask) + maskShaderName = RgbMaskFragmentShader; + else if (maskType == SubPixelWithGammaMask) + maskShaderName = RgbMaskWithGammaFragmentShader; + else + qCritical("QGLEngineShaderManager::useCorrectShaderProg() - Unknown mask type"); + + compileNamedShader(maskShaderName, QGLShader::PartialFragmentShader); + requiredProgram.maskFragShader = compiledShaders[maskShaderName]; + } + else + requiredProgram.maskFragShader = 0; + + if (hasCompose) { + QGLEngineShaderManager::ShaderName compositionShaderName = QGLEngineShaderManager::InvalidShaderName; + switch (compositionMode) { + case QPainter::CompositionMode_Multiply: + compositionShaderName = MultiplyCompositionModeFragmentShader; + break; + case QPainter::CompositionMode_Screen: + compositionShaderName = ScreenCompositionModeFragmentShader; + break; + case QPainter::CompositionMode_Overlay: + compositionShaderName = OverlayCompositionModeFragmentShader; + break; + case QPainter::CompositionMode_Darken: + compositionShaderName = DarkenCompositionModeFragmentShader; + break; + case QPainter::CompositionMode_Lighten: + compositionShaderName = LightenCompositionModeFragmentShader; + break; + case QPainter::CompositionMode_ColorDodge: + compositionShaderName = ColorDodgeCompositionModeFragmentShader; + break; + case QPainter::CompositionMode_ColorBurn: + compositionShaderName = ColorBurnCompositionModeFragmentShader; + break; + case QPainter::CompositionMode_HardLight: + compositionShaderName = HardLightCompositionModeFragmentShader; + break; + case QPainter::CompositionMode_SoftLight: + compositionShaderName = SoftLightCompositionModeFragmentShader; + break; + case QPainter::CompositionMode_Difference: + compositionShaderName = DifferenceCompositionModeFragmentShader; + break; + case QPainter::CompositionMode_Exclusion: + compositionShaderName = ExclusionCompositionModeFragmentShader; + break; + default: + qWarning("QGLEngineShaderManager::useCorrectShaderProg() - Unsupported composition mode"); + } + compileNamedShader(compositionShaderName, QGLShader::PartialFragmentShader); + requiredProgram.compositionFragShader = compiledShaders[compositionShaderName]; + } + else + requiredProgram.compositionFragShader = 0; + + + // At this point, requiredProgram is fully populated so try to find the program in the cache + foreach (const QGLEngineShaderProg &prog, cachedPrograms) { + if ( (prog.mainVertexShader == requiredProgram.mainVertexShader) + && (prog.positionVertexShader == requiredProgram.positionVertexShader) + && (prog.mainFragShader == requiredProgram.mainFragShader) + && (prog.srcPixelFragShader == requiredProgram.srcPixelFragShader) + && (prog.compositionFragShader == requiredProgram.compositionFragShader) ) + { + currentShaderProg = prog.program; + currentShaderProg->enable(); + shaderProgNeedsChanging = false; + return; + } + } + + // Shader program not found in cache, create it now. + requiredProgram.program = new QGLShaderProgram(ctx, this); + requiredProgram.program->addShader(requiredProgram.mainVertexShader); + requiredProgram.program->addShader(requiredProgram.positionVertexShader); + requiredProgram.program->addShader(requiredProgram.mainFragShader); + requiredProgram.program->addShader(requiredProgram.srcPixelFragShader); + requiredProgram.program->addShader(requiredProgram.maskFragShader); + requiredProgram.program->addShader(requiredProgram.compositionFragShader); + + // We have to bind the vertex attribute names before the program is linked: + requiredProgram.program->bindAttributeLocation("inputVertex", QT_VERTEX_COORDS_ATTR); + if (useTextureCoords) + requiredProgram.program->bindAttributeLocation("textureCoordArray", QT_TEXTURE_COORDS_ATTR); + + requiredProgram.program->link(); + if (!requiredProgram.program->isValid()) { + QString error; + qWarning() << "Shader program failed to link," +#if defined(QT_DEBUG) + << '\n' + << " Shaders Used:" << '\n' + << " mainVertexShader = " << requiredProgram.mainVertexShader->objectName() << '\n' + << " positionVertexShader = " << requiredProgram.positionVertexShader->objectName() << '\n' + << " mainFragShader = " << requiredProgram.mainFragShader->objectName() << '\n' + << " srcPixelFragShader = " << requiredProgram.srcPixelFragShader->objectName() << '\n' + << " maskFragShader = " << requiredProgram.maskFragShader->objectName() << '\n' + << " compositionFragShader = "<< requiredProgram.compositionFragShader->objectName() << '\n' +#endif + << " Error Log:" << '\n' + << " " << requiredProgram.program->errors(); + qWarning() << error; + } + else { + cachedPrograms.append(requiredProgram); + currentShaderProg = requiredProgram.program; + currentShaderProg->enable(); + } + shaderProgNeedsChanging = false; +} + +void QGLEngineShaderManager::compileNamedShader(QGLEngineShaderManager::ShaderName name, QGLShader::ShaderType type) +{ + if (compiledShaders[name]) + return; + + QGLShader *newShader = new QGLShader(type, ctx, this); + newShader->setSourceCode(qglEngineShaderSourceCode[name]); + // newShader->compile(); ### does not exist? + +#if defined(QT_DEBUG) + // Name the shader for easier debugging + QMetaEnum m = staticMetaObject.enumerator(staticMetaObject.indexOfEnumerator("ShaderName")); + newShader->setObjectName(QLatin1String(m.valueToKey(name))); +#endif + + compiledShaders[name] = newShader; +} + + diff --git a/src/opengl/gl2paintengineex/qglengineshadermanager_p.h b/src/opengl/gl2paintengineex/qglengineshadermanager_p.h new file mode 100644 index 0000000..dec8f56 --- /dev/null +++ b/src/opengl/gl2paintengineex/qglengineshadermanager_p.h @@ -0,0 +1,388 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtOpenGL module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +/* + VERTEX SHADERS + ============== + + Vertex shaders are specified as multiple (partial) shaders. On desktop, + this works fine. On ES, QGLShader & QGLShaderProgram will make partial + shaders work by concatenating the source in each QGLShader and compiling + it as a single shader. This is abstracted nicely by QGLShaderProgram and + the GL2 engine doesn't need to worry about it. + + Generally, there's two vertex shader objects. The position shaders are + the ones which set gl_Position. There's also two "main" vertex shaders, + one which just calls the position shader and another which also passes + through some texture coordinates from a vertex attribute array to a + varying. These texture coordinates are used for mask position in text + rendering and for the source coordinates in drawImage/drawPixmap. There's + also a "Simple" vertex shader for rendering a solid colour (used to render + into the stencil buffer where the actual colour value is discarded). + + The position shaders for brushes look scary. This is because many of the + calculations which logically belong in the fragment shader have been moved + into the vertex shader to improve performance. This is why the position + calculation is in a seperate shader. Not only does it calculate the + position, but it also calculates some data to be passed to the fragment + shader as a varying. It is optimal to move as much of the calculation as + possible into the vertex shader as this is executed less often. + + The varyings passed to the fragment shaders are interpolated (which is + cheap). Unfortunately, GL will apply perspective correction to the + interpolation calusing errors. To get around this, the vertex shader must + apply perspective correction itself and set the w-value of gl_Position to + zero. That way, GL will be tricked into thinking it doesn't need to apply a + perspective correction and use linear interpolation instead (which is what + we want). Of course, if the brush transform is affeine, no perspective + correction is needed and a simpler vertex shader can be used instead. + + So there are the following "main" vertex shaders: + qglslMainVertexShader + qglslMainWithTexCoordsVertexShader + + And the the following position vertex shaders: + qglslPositionOnlyVertexShader + qglslPositionWithTextureBrushVertexShader + qglslPositionWithPatternBrushVertexShader + qglslPositionWithLinearGradientBrushVertexShader + qglslPositionWithRadialGradientBrushVertexShader + qglslPositionWithConicalGradientBrushVertexShader + qglslAffinePositionWithTextureBrushVertexShader + qglslAffinePositionWithPatternBrushVertexShader + qglslAffinePositionWithLinearGradientBrushVertexShader + qglslAffinePositionWithRadialGradientBrushVertexShader + qglslAffinePositionWithConicalGradientBrushVertexShader + + Leading to 23 possible vertex shaders + + + FRAGMENT SHADERS + ================ + + Fragment shaders are also specified as multiple (partial) shaders. The + different fragment shaders represent the different stages in Qt's fragment + pipeline. There are 1-3 stages in this pipeline: First stage is to get the + fragment's colour value. The next stage is to get the fragment's mask value + (coverage value for anti-aliasing) and the final stage is to blend the + incoming fragment with the background (for composition modes not supported + by GL). + + Of these, the first stage will always be present. If Qt doesn't need to + apply anti-aliasing (because it's off or handled by multisampling) then + the coverage value doesn't need to be applied. (Note: There are two types + of mask, one for regular anti-aliasing and one for sub-pixel anti- + aliasing.) If the composition mode is one which GL supports natively then + the blending stage doesn't need to be applied. + + As eash stage can have multiple implementations, they are abstracted as + GLSL function calls with the following signatures: + + Brushes & image drawing are implementations of "qcolorp vec4 srcPixel()": + qglslImageSrcFragShader + qglslNonPremultipliedImageSrcFragShader + qglslSolidBrushSrcFragShader + qglslTextureBrushSrcFragShader + qglslPatternBrushSrcFragShader + qglslLinearGradientBrushSrcFragShader + qglslRadialGradientBrushSrcFragShader + qglslConicalGradientBrushSrcFragShader + NOTE: It is assumed the colour returned by srcPixel() is pre-multiplied + + Masks are implementations of "qcolorp vec4 applyMask(qcolorp vec4 src)": + qglslMaskFragmentShader + qglslRgbMaskFragmentShader + qglslRgbMaskWithGammaFragmentShader + + Composition modes are "qcolorp vec4 compose(qcolorp vec4 src)": + qglslColorBurnCompositionModeFragmentShader + qglslColorDodgeCompositionModeFragmentShader + qglslDarkenCompositionModeFragmentShader + qglslDifferenceCompositionModeFragmentShader + qglslExclusionCompositionModeFragmentShader + qglslHardLightCompositionModeFragmentShader + qglslLightenCompositionModeFragmentShader + qglslMultiplyCompositionModeFragmentShader + qglslOverlayCompositionModeFragmentShader + qglslScreenCompositionModeFragmentShader + qglslSoftLightCompositionModeFragmentShader + + + Note: In the future, some GLSL compilers will support an extension allowing + a new 'color' precision specifier. To support this, qcolorp is used for + all color components so it can be defined to colorp or lowp depending upon + the implementation. + + So there are differnt frament shader main functions, depending on the + number & type of pipelines the fragment needs to go through. + + The choice of which main() fragment shader string to use depends on: + - Use of global opacity + - Brush style (some brushes apply opacity themselves) + - Use & type of mask (TODO: Need to support high quality anti-aliasing & text) + - Use of non-GL Composition mode + + Leading to the following fragment shader main functions: + gl_FragColor = compose(applyMask(srcPixel()*globalOpacity)); + gl_FragColor = compose(applyMask(srcPixel())); + gl_FragColor = applyMask(srcPixel()*globalOpacity); + gl_FragColor = applyMask(srcPixel()); + gl_FragColor = compose(srcPixel()*globalOpacity); + gl_FragColor = compose(srcPixel()); + gl_FragColor = srcPixel()*globalOpacity; + gl_FragColor = srcPixel(); + + Called: + qglslMainFragmentShader_CMO + qglslMainFragmentShader_CM + qglslMainFragmentShader_MO + qglslMainFragmentShader_M + qglslMainFragmentShader_CO + qglslMainFragmentShader_C + qglslMainFragmentShader_O + qglslMainFragmentShader + + Where: + M = Mask + C = Composition + O = Global Opacity + + + CUSTOM SHADER CODE (idea, depricated) + ================== + + The use of custom shader code is supported by the engine for drawImage and + drawPixmap calls. This is implemented via hooks in the fragment pipeline. + The custom shader is passed to the engine as a partial fragment shader + (QGLCustomizedShader). The shader will implement a pre-defined method name + which Qt's fragment pipeline will call. There are two different hooks which + can be implemented as custom shader code: + + mediump vec4 customShader(sampler2d src, vec2 srcCoords) + mediump vec4 customShaderWithDest(sampler2d dest, sampler2d src, vec2 srcCoords) + +*/ + +#ifndef QGLENGINE_SHADER_MANAGER_H +#define QGLENGINE_SHADER_MANAGER_H + +#include <QGLShader> +#include <QGLShaderProgram> +#include <QPainter> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(OpenGL) + + +struct QGLEngineShaderProg +{ + QGLShader* mainVertexShader; + QGLShader* positionVertexShader; + QGLShader* mainFragShader; + QGLShader* srcPixelFragShader; + QGLShader* maskFragShader; // Can be null for no mask + QGLShader* compositionFragShader; // Can be null for GL-handled mode + QGLShaderProgram* program; +}; + +/* +struct QGLEngineCachedShaderProg +{ + QGLEngineCachedShaderProg(QGLEngineShaderManager::ShaderName vertexMain, + QGLEngineShaderManager::ShaderName vertexPosition, + QGLEngineShaderManager::ShaderName fragMain, + QGLEngineShaderManager::ShaderName pixelSrc, + QGLEngineShaderManager::ShaderName mask, + QGLEngineShaderManager::ShaderName composition); + + int cacheKey; + QGLShaderProgram* program; +} +*/ + +static const GLuint QT_VERTEX_COORDS_ATTR = 0; +static const GLuint QT_TEXTURE_COORDS_ATTR = 1; + +class QGLEngineShaderManager : public QObject +{ + Q_OBJECT; +public: + QGLEngineShaderManager(QGLContext* context); + ~QGLEngineShaderManager(); + + enum MaskType {NoMask, PixelMask, SubPixelMask, SubPixelWithGammaMask}; + enum PixelSrcType { + ImageSrc = Qt::TexturePattern+1, + NonPremultipliedImageSrc = Qt::TexturePattern+2 + }; + + // There are optimisations we can do, depending on the brush transform: + // 1) May not have to apply perspective-correction + // 2) Can use lower precision for matrix + void optimiseForBrushTransform(const QTransform transform); + void setSrcPixelType(Qt::BrushStyle); + void setSrcPixelType(PixelSrcType); // For non-brush sources, like pixmaps & images + void setTextureCoordsEnabled(bool); // For images & text glyphs + void setUseGlobalOpacity(bool); + void setMaskType(MaskType); + void setCompositionMode(QPainter::CompositionMode); + + bool shaderProgramDirty(); // returns true if the shader program needs to be changed + void useCorrectShaderProg(); + + QGLShaderProgram* currentProgram(); // Returns pointer to the shader the manager has chosen + QGLShaderProgram* simpleProgram(); // Used to draw into e.g. stencil buffers + + enum ShaderName { + MainVertexShader, + MainWithTexCoordsVertexShader, + + PositionOnlyVertexShader, + PositionWithPatternBrushVertexShader, + PositionWithLinearGradientBrushVertexShader, + PositionWithConicalGradientBrushVertexShader, + PositionWithRadialGradientBrushVertexShader, + PositionWithTextureBrushVertexShader, + AffinePositionWithPatternBrushVertexShader, + AffinePositionWithLinearGradientBrushVertexShader, + AffinePositionWithConicalGradientBrushVertexShader, + AffinePositionWithRadialGradientBrushVertexShader, + AffinePositionWithTextureBrushVertexShader, + + MainFragmentShader_CMO, + MainFragmentShader_CM, + MainFragmentShader_MO, + MainFragmentShader_M, + MainFragmentShader_CO, + MainFragmentShader_C, + MainFragmentShader_O, + MainFragmentShader, + + ImageSrcFragmentShader, + NonPremultipliedImageSrcFragmentShader, + SolidBrushSrcFragmentShader, + TextureBrushSrcFragmentShader, + PatternBrushSrcFragmentShader, + LinearGradientBrushSrcFragmentShader, + RadialGradientBrushSrcFragmentShader, + ConicalGradientBrushSrcFragmentShader, + ShockingPinkSrcFragmentShader, + + MaskFragmentShader, + RgbMaskFragmentShader, + RgbMaskWithGammaFragmentShader, + + MultiplyCompositionModeFragmentShader, + ScreenCompositionModeFragmentShader, + OverlayCompositionModeFragmentShader, + DarkenCompositionModeFragmentShader, + LightenCompositionModeFragmentShader, + ColorDodgeCompositionModeFragmentShader, + ColorBurnCompositionModeFragmentShader, + HardLightCompositionModeFragmentShader, + SoftLightCompositionModeFragmentShader, + DifferenceCompositionModeFragmentShader, + ExclusionCompositionModeFragmentShader, + + TotalShaderCount, InvalidShaderName + }; + +/* + // These allow the ShaderName enum to be used as a cache key + const int mainVertexOffset = 0; + const int positionVertexOffset = (1<<2) - PositionOnlyVertexShader; + const int mainFragOffset = (1<<6) - MainFragmentShader_CMO; + const int srcPixelOffset = (1<<10) - ImageSrcFragmentShader; + const int maskOffset = (1<<14) - NoMaskShader; + const int compositionOffset = (1 << 16) - MultiplyCompositionModeFragmentShader; +*/ + +#if defined (QT_DEBUG) + Q_ENUMS(ShaderName); +#else +#error Release build not supported yet +#endif + + +private: + QGLContext* ctx; + bool shaderProgNeedsChanging; + + // Current state variables which influence the choice of shader: + QTransform brushTransform; + int srcPixelType; + bool useGlobalOpacity; + MaskType maskType; + bool useTextureCoords; + QPainter::CompositionMode compositionMode; + + QGLShaderProgram* simpleShaderProg; + QGLShaderProgram* currentShaderProg; + + // TODO: Possibly convert to a LUT + QList<QGLEngineShaderProg> cachedPrograms; + + QGLShader* compiledShaders[TotalShaderCount]; + + void compileNamedShader(QGLEngineShaderManager::ShaderName name, QGLShader::ShaderType type); + + static const char* qglEngineShaderSourceCode[TotalShaderCount]; +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif //QGLENGINE_SHADER_MANAGER_H diff --git a/src/opengl/gl2paintengineex/qglengineshadersource_p.h b/src/opengl/gl2paintengineex/qglengineshadersource_p.h new file mode 100644 index 0000000..f2facac --- /dev/null +++ b/src/opengl/gl2paintengineex/qglengineshadersource_p.h @@ -0,0 +1,383 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtOpenGL module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + + +#ifndef QGL_ENGINE_SHADER_SOURCE_H +#define QGL_ENGINE_SHADER_SOURCE_H + +#include "qglengineshadermanager_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(OpenGL) + + +static const char* const qglslMainVertexShader = "\ + void setPosition();\ + void main(void)\ + {\ + setPosition();\ + }"; + +static const char* const qglslMainWithTexCoordsVertexShader = "\ + attribute lowp vec2 textureCoordArray; \ + varying lowp vec2 textureCoords; \ + void setPosition();\ + void main(void) \ + {\ + setPosition();\ + textureCoords = textureCoordArray; \ + }"; + + +static const char* const qglslPositionOnlyVertexShader = "\ + attribute highp vec4 vertexCoordsArray;\ + uniform highp mat4 pmvMatrix;\ + void setPosition(void)\ + {\ + gl_Position = pmvMatrix * vertexCoordsArray;\ + }"; + + +// Pattern Brush - This assumes the texture size is 8x8 and thus, the inverted size is 0.125 +static const char* const qglslPositionWithPatternBrushVertexShader = "\ + attribute highp vec4 vertexCoordsArray; \ + uniform highp mat4 pmvMatrix; \ + uniform mediump vec2 halfViewportSize; \ + uniform mediump vec2 invertedTextureSize; \ + uniform mediump mat3 brushTransform; \ + varying mediump vec2 patternTexCoords; \ + void setPosition(void) { \ + gl_Position = pmvMatrix * vertexCoordsArray;\ + gl_Position.xy = gl_Position.xy / gl_Position.w; \ + mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \ + mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \ + mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \ + gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \ + gl_Position.w = invertedHTexCoordsZ; \ + patternTexCoords.xy = (hTexCoords.xy * 0.125) * invertedHTexCoordsZ; \ + patternTexCoords.y = -patternTexCoords.y; \ + }"; + +static const char* const qglslAffinePositionWithPatternBrushVertexShader + = qglslPositionWithPatternBrushVertexShader; + +static const char* const qglslPatternBrushSrcFragmentShader = "\ + uniform sampler2D brushTexture;\ + uniform lowp vec4 patternColor; \ + varying mediump vec2 patternTexCoords;\ + lowp vec4 srcPixel() { \ + return patternColor * texture2D(brushTexture, patternTexCoords).r; \ + }\n"; + + +// Linear Gradient Brush +static const char* const qglslPositionWithLinearGradientBrushVertexShader = "\ + attribute highp vec4 vertexCoordsArray; \ + uniform highp mat4 pmvMatrix; \ + uniform mediump vec2 halfViewportSize; \ + uniform highp vec3 linearData; \ + uniform highp mat3 brushTransform; \ + varying mediump float index ; \ + void setPosition() { \ + gl_Position = pmvMatrix * vertexCoordsArray;\ + gl_Position.xy = gl_Position.xy / gl_Position.w; \ + mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \ + mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \ + mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \ + gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \ + gl_Position.w = invertedHTexCoordsZ; \ + index = (dot(linearData.xy, hTexCoords.xy) * linearData.z) * invertedHTexCoordsZ; \ + }"; + +static const char* const qglslAffinePositionWithLinearGradientBrushVertexShader + = qglslPositionWithLinearGradientBrushVertexShader; + +static const char* const qglslLinearGradientBrushSrcFragmentShader = "\ + uniform sampler2D brushTexture; \ + varying mediump float index; \ + lowp vec4 srcPixel() { \ + mediump vec2 val = vec2(index, 0.5); \ + return texture2D(brushTexture, val); \ + }\n"; + + +// Conical Gradient Brush +static const char* const qglslPositionWithConicalGradientBrushVertexShader = "\ + attribute highp vec4 vertexCoordsArray;\ + uniform highp mat4 pmvMatrix;\ + uniform mediump vec2 halfViewportSize; \ + uniform highp mat3 brushTransform; \ + varying highp vec2 A; \ + void setPosition(void)\ + {\ + gl_Position = pmvMatrix * vertexCoordsArray;\ + gl_Position.xy = gl_Position.xy / gl_Position.w; \ + mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \ + mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \ + mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \ + gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \ + gl_Position.w = invertedHTexCoordsZ; \ + A = hTexCoords.xy * invertedHTexCoordsZ; \ + }"; + +static const char* const qglslAffinePositionWithConicalGradientBrushVertexShader + = qglslPositionWithConicalGradientBrushVertexShader; + +static const char* const qglslConicalGradientBrushSrcFragmentShader = "\n\ + #define INVERSE_2PI 0.1591549430918953358 \n\ + uniform sampler2D brushTexture; \n\ + uniform mediump float angle; \ + varying highp vec2 A; \ + lowp vec4 srcPixel() { \ + highp float t; \ + if (abs(A.y) == abs(A.x)) \ + t = (atan(-A.y + 0.002, A.x) + angle) * INVERSE_2PI; \ + else \ + t = (atan(-A.y, A.x) + angle) * INVERSE_2PI; \ + return texture2D(brushTexture, vec2(t - floor(t), 0.5)); \ + }"; + + +// Radial Gradient Brush +static const char* const qglslPositionWithRadialGradientBrushVertexShader = "\ + attribute highp vec4 vertexCoordsArray;\ + uniform highp mat4 pmvMatrix;\ + uniform mediump vec2 halfViewportSize; \ + uniform highp mat3 brushTransform; \ + uniform highp vec2 fmp; \ + varying highp float b; \ + varying highp vec2 A; \ + void setPosition(void) \ + {\ + gl_Position = pmvMatrix * vertexCoordsArray;\ + gl_Position.xy = gl_Position.xy / gl_Position.w; \ + mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \ + mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \ + mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \ + gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \ + gl_Position.w = invertedHTexCoordsZ; \ + A = hTexCoords.xy * invertedHTexCoordsZ; \ + b = 2.0 * dot(A, fmp); \ + }"; + +static const char* const qglslAffinePositionWithRadialGradientBrushVertexShader + = qglslPositionWithRadialGradientBrushVertexShader; + +static const char* const qglslRadialGradientBrushSrcFragmentShader = "\ + uniform sampler2D brushTexture; \ + uniform highp float fmp2_m_radius2; \ + uniform highp float inverse_2_fmp2_m_radius2; \ + varying highp float b; \ + varying highp vec2 A; \ + lowp vec4 srcPixel() { \ + highp float c = -dot(A, A); \ + highp vec2 val = vec2((-b + sqrt(b*b - 4.0*fmp2_m_radius2*c)) * inverse_2_fmp2_m_radius2, 0.5); \ + return texture2D(brushTexture, val); \ + }"; + + +// Texture Brush +static const char* const qglslPositionWithTextureBrushVertexShader = "\ + attribute highp vec4 vertexCoordsArray; \ + uniform highp mat4 pmvMatrix; \ + uniform mediump vec2 halfViewportSize; \ + uniform mediump vec2 invertedTextureSize; \ + uniform mediump mat3 brushTransform; \ + varying mediump vec2 brushTextureCoords; \ + void setPosition(void) { \ + gl_Position = pmvMatrix * vertexCoordsArray;\ + gl_Position.xy = gl_Position.xy / gl_Position.w; \ + mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \ + mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \ + mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \ + gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \ + gl_Position.w = invertedHTexCoordsZ; \ + brushTextureCoords.xy = (hTexCoords.xy * invertedTextureSize) * gl_Position.w; \ + brushTextureCoords.y = -brushTextureCoords.y; \ + }"; + +static const char* const qglslAffinePositionWithTextureBrushVertexShader + = qglslPositionWithTextureBrushVertexShader; + +static const char* const qglslTextureBrushSrcFragmentShader = "\ + varying mediump vec2 brushTextureCoords; \ + uniform sampler2D brushTexture; \ + lowp vec4 srcPixel() { \ + return texture2D(brushTexture, brushTextureCoords); \ + }"; + + +// Solid Fill Brush +static const char* const qglslSolidBrushSrcFragmentShader = "\ + uniform lowp vec4 fragmentColor; \ + lowp vec4 srcPixel() { \ + return fragmentColor; \ + }"; + +static const char* const qglslImageSrcFragmentShader = "\ + varying highp vec2 textureCoords; \ + uniform sampler2D imageTexture; \ + lowp vec4 srcPixel() { \ + return texture2D(imageTexture, textureCoords); \ + }"; + +static const char* const qglslNonPremultipliedImageSrcFragmentShader = "\ + varying highp vec2 textureCoords; \ + uniform sampler2D imageTexture; \ + lowp vec4 srcPixel() { \ + lowp vec4 sample = texture2D(imageTexture, textureCoords); \ + sample.rgb = sample.rgb * sample.a; \ + return sample; \ + }"; + +static const char* const qglslShockingPinkSrcFragmentShader = "\ + lowp vec4 srcPixel() { \ + return lowp vec4(0.98, 0.06, 0.75, 1.0); \ + }"; + + +static const char* const qglslMainFragmentShader_CMO = "\ + uniform lowp float globalOpacity; \ + lowp vec4 srcPixel(); \ + lowp vec4 applyMask(lowp vec4); \ + lowp vec4 compose(lowp vec4); \ + void main() { \ + gl_FragColor = compose(applyMask(srcPixel()*globalOpacity)); \ + }"; + +static const char* const qglslMainFragmentShader_CM = "\ + lowp vec4 srcPixel(); \ + lowp vec4 applyMask(lowp vec4); \ + lowp vec4 compose(lowp vec4); \ + void main() { \ + gl_FragColor = compose(applyMask(srcPixel())); \ + }"; + +static const char* const qglslMainFragmentShader_MO = "\ + uniform lowp float globalOpacity; \ + lowp vec4 srcPixel(); \ + lowp vec4 applyMask(lowp vec4); \ + void main() { \ + gl_FragColor = applyMask(srcPixel()*globalOpacity); \ + }"; + +static const char* const qglslMainFragmentShader_M = "\ + lowp vec4 srcPixel(); \ + lowp vec4 applyMask(lowp vec4); \ + void main() { \ + gl_FragColor = applyMask(srcPixel()); \ + }"; + +static const char* const qglslMainFragmentShader_CO = "\ + uniform lowp float globalOpacity; \ + lowp vec4 srcPixel(); \ + lowp vec4 compose(lowp vec4); \ + void main() { \ + gl_FragColor = compose(srcPixel()*globalOpacity); \ + }"; + +static const char* const qglslMainFragmentShader_C = "\ + lowp vec4 srcPixel(); \ + lowp vec4 compose(lowp vec4); \ + void main() { \ + gl_FragColor = compose(srcPixel()); \ + }"; + +static const char* const qglslMainFragmentShader_O = "\ + uniform lowp float globalOpacity; \ + lowp vec4 srcPixel(); \ + void main() { \ + gl_FragColor = srcPixel()*globalOpacity; \ + }"; + +static const char* const qglslMainFragmentShader = "\ + lowp vec4 srcPixel(); \ + void main() { \ + gl_FragColor = srcPixel(); \ + }"; + +static const char* const qglslMaskFragmentShader = "\ + varying highp vec2 textureCoords;\ + uniform sampler2D maskTexture;\ + lowp vec4 applyMask(lowp vec4 src) \ + {\ + lowp vec4 mask = texture2D(maskTexture, textureCoords); \ + return src * mask.r; \ + }"; + +/* + Left to implement: + RgbMaskFragmentShader, + RgbMaskWithGammaFragmentShader, + + MultiplyCompositionModeFragmentShader, + ScreenCompositionModeFragmentShader, + OverlayCompositionModeFragmentShader, + DarkenCompositionModeFragmentShader, + LightenCompositionModeFragmentShader, + ColorDodgeCompositionModeFragmentShader, + ColorBurnCompositionModeFragmentShader, + HardLightCompositionModeFragmentShader, + SoftLightCompositionModeFragmentShader, + DifferenceCompositionModeFragmentShader, + ExclusionCompositionModeFragmentShader, +*/ + + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // GLGC_SHADER_SOURCE_H diff --git a/src/opengl/gl2paintengineex/qglpexshadermanager.cpp b/src/opengl/gl2paintengineex/qglpexshadermanager.cpp deleted file mode 100644 index e460e08..0000000 --- a/src/opengl/gl2paintengineex/qglpexshadermanager.cpp +++ /dev/null @@ -1,450 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Qt Software Information (qt-info@nokia.com) -** -** This file is part of the QtOpenGL module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at qt-sales@nokia.com. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qglpexshadermanager_p.h" - -#include "glgc_shader_source.h" - -QGLPEXShaderManager::QGLPEXShaderManager(const QGLContext* context) -{ - ctx = const_cast<QGLContext*>(context); - - defaultVertexShader= new QGLShader(QGLShader::VertexShader, context); - defaultVertexShader->addSource(QLatin1String(qglslDefaultVertexShader)); - if (!defaultVertexShader->compile()) - qWarning() << "Default vertex shader failed to compile: " << defaultVertexShader->log(); - - noBrushShader = new QGLShader(QGLShader::FragmentShader, context); - noBrushShader->addSource(QLatin1String(qglslFragmentShaderMain)); - noBrushShader->addSource(QLatin1String(qglslNoBrushFragmentShader)); - if (!noBrushShader->compile()) - qWarning() << "No brush shader failed to compile:" << noBrushShader->log(); - - - // Create a program for noBrush: - QGLShaderProgram* noBrushProg = new QGLShaderProgram(ctx); - noBrushProg->addShader(defaultVertexShader); - noBrushProg->addShader(noBrushShader); - if (!noBrushProg->link()) - qWarning() << "NoBrush shader program failed to link:" << noBrushProg->log(); - - // Add noBrush Program to cache: - QGLCachedShaderProg cachedProg; - cachedProg.vertexShader = defaultVertexShader; - cachedProg.brushShader = noBrushShader; - cachedProg.compositionShader = 0; - cachedProg.shader = noBrushProg; - cachedPrograms.append(cachedProg); - - - // Set state - useGlobalOpacity = true; - currentBrushStyle = Qt::NoBrush; - currentTransformType = FullTransform; - shaderProgNeedsChanging = false; - activeProgram = noBrushProg; - - solidBrushShader = 0; - - conicalBrushVertexShader = 0; - conicalBrushFragmentShader = 0; - - radialBrushVertexShader = 0; - radialBrushFragmentShader = 0; - - linearBrushVertexShader = 0; - linearBrushFragmentShader = 0; - - patternBrushVertexShader = 0; - patternBrushFragmentShader = 0; - - textureBrushFragmentShader = 0; - textureBrushVertexShader = 0; - - simpleFragmentShader = 0; - simpleShaderProgram = 0; - - imageVertexShader = 0; - imageFragmentShader = 0; - imageShaderProgram = 0; - - textVertexShader = 0; - textFragmentShader = 0; - textShaderProgram = 0; -} - -QGLPEXShaderManager::~QGLPEXShaderManager() -{ - delete defaultVertexShader; - delete imageVertexShader; - delete imageFragmentShader; - delete imageShaderProgram; - delete textVertexShader; - delete textFragmentShader; - delete textShaderProgram; - delete noBrushShader; - delete solidBrushShader; - - delete conicalBrushVertexShader; - delete conicalBrushFragmentShader; - - delete radialBrushVertexShader; - delete radialBrushFragmentShader; - - delete linearBrushFragmentShader; - delete linearBrushVertexShader; - - delete patternBrushFragmentShader; - delete patternBrushVertexShader; - - delete textureBrushFragmentShader; - delete textureBrushVertexShader; - - delete simpleFragmentShader; - delete simpleShaderProgram; -} - -void QGLPEXShaderManager::setUseGlobalOpacity(bool value) -{ - if (value != useGlobalOpacity) - shaderProgNeedsChanging = true; - - useGlobalOpacity = value; -} - -void QGLPEXShaderManager::setBrushStyle(Qt::BrushStyle style) -{ - if (currentBrushStyle != style) - shaderProgNeedsChanging = true; - - currentBrushStyle = style; -} - -void QGLPEXShaderManager::setAffineOnlyBrushTransform(bool value) -{ - Q_UNUSED(value); - // TODO -} - -bool QGLPEXShaderManager::useCorrectShaderProg() -{ - if (!shaderProgNeedsChanging) { - activeProgram->use(); - return false; - } - - const char* fragmentShaderMainSrc = qglslFragmentShaderMain; - QGLShader* vertexShader = defaultVertexShader; - QGLShader* fragmentShader = noBrushShader; - - // Make sure we compile up the correct brush shader - switch (currentBrushStyle) { - case Qt::NoBrush: - break; - case Qt::SolidPattern: - if (!solidBrushShader) { - qDebug("Compiling qglslSolidBrushFragmentShader"); - solidBrushShader = new QGLShader(QGLShader::FragmentShader, ctx); - solidBrushShader->addSource(QLatin1String(qglslNoOpacityFragmentShaderMain)); - solidBrushShader->addSource(QLatin1String(qglslSolidBrushFragmentShader)); - if (!solidBrushShader->compile()) - qWarning() << "qglslSolidBrush failed to compile:" << solidBrushShader->log(); - } - fragmentShader = solidBrushShader; - break; - case Qt::TexturePattern: - if (!textureBrushVertexShader) { - qDebug("Compiling qglslTextureBrushVertexShader"); - textureBrushVertexShader = new QGLShader(QGLShader::VertexShader, ctx); - textureBrushVertexShader->addSource(QLatin1String(qglslTextureBrushVertexShader)); - if (!textureBrushVertexShader->compile()) { - qWarning() << "qglslTextureBrushVertexShader failed to compile: " - << textureBrushVertexShader->log(); - } - } - vertexShader = textureBrushVertexShader; - - if (!textureBrushFragmentShader) { - qDebug("Compiling qglslTextureBrushFragmentShader"); - textureBrushFragmentShader = new QGLShader(QGLShader::FragmentShader, ctx); - textureBrushFragmentShader->addSource(QLatin1String(fragmentShaderMainSrc)); - textureBrushFragmentShader->addSource(QLatin1String(qglslTextureBrushFragmentShader)); - if (!textureBrushFragmentShader->compile()) { - qWarning() << "qglslTextureBrushFragmentShader failed to compile:" - << textureBrushFragmentShader->log(); - } - } - fragmentShader = textureBrushFragmentShader; - break; - case Qt::LinearGradientPattern: - if (!linearBrushVertexShader) { - qDebug("Compiling qglslLinearGradientBrushVertexShader"); - linearBrushVertexShader = new QGLShader(QGLShader::VertexShader, ctx); - linearBrushVertexShader->addSource(QLatin1String(qglslLinearGradientBrushVertexShader)); - if (!linearBrushVertexShader->compile()) { - qWarning() << "qglslLinearGradientBrushVertexShader failed to compile: " - << linearBrushVertexShader->log(); - } - } - vertexShader = linearBrushVertexShader; - - if (!linearBrushFragmentShader) { - qDebug("Compiling qglslLinearGradientBrushFragmentShader"); - linearBrushFragmentShader = new QGLShader(QGLShader::FragmentShader, ctx); - linearBrushFragmentShader->addSource(QLatin1String(fragmentShaderMainSrc)); - linearBrushFragmentShader->addSource(QLatin1String(qglslLinearGradientBrushFragmentShader)); - if (!linearBrushFragmentShader->compile()) { - qWarning() << "qglslLinearGradientBrushFragmentShader failed to compile:" - << linearBrushFragmentShader->log(); - } - } - fragmentShader = linearBrushFragmentShader; - break; - case Qt::RadialGradientPattern: - if (!radialBrushVertexShader) { - qDebug("Compiling qglslRadialGradientBrushVertexShader"); - radialBrushVertexShader = new QGLShader(QGLShader::VertexShader, ctx); - radialBrushVertexShader->addSource(QLatin1String(qglslRadialGradientBrushVertexShader)); - if (!radialBrushVertexShader->compile()) { - qWarning() << "qglslRadialGradientBrushVertexShader failed to compile: " - << radialBrushVertexShader->log(); - } - } - vertexShader = radialBrushVertexShader; - - if (!radialBrushFragmentShader) { - qDebug("Compiling qglslRadialGradientBrushFragmentShader"); - radialBrushFragmentShader = new QGLShader(QGLShader::FragmentShader, ctx); - radialBrushFragmentShader->addSource(QLatin1String(fragmentShaderMainSrc)); - radialBrushFragmentShader->addSource(QLatin1String(qglslRadialGradientBrushFragmentShader)); - if (!radialBrushFragmentShader->compile()) { - qWarning() << "qglslRadialGradientBrushFragmentShader failed to compile:" - << radialBrushFragmentShader->log(); - } - } - fragmentShader = radialBrushFragmentShader; - break; - case Qt::ConicalGradientPattern: - // FIXME: We currently use the same vertex shader as radial brush - if (!conicalBrushVertexShader) { - qDebug("Compiling qglslConicalGradientBrushVertexShader"); - conicalBrushVertexShader = new QGLShader(QGLShader::VertexShader, ctx); - conicalBrushVertexShader->addSource(QLatin1String(qglslConicalGradientBrushVertexShader)); - if (!conicalBrushVertexShader->compile()) { - qWarning() << "qglslConicalGradientBrushVertexShader failed to compile: " - << conicalBrushVertexShader->log(); - } - } - vertexShader = conicalBrushVertexShader; - - if (!conicalBrushFragmentShader) { - qDebug("Compiling qglslConicalGradientBrushFragmentShader"); - conicalBrushFragmentShader = new QGLShader(QGLShader::FragmentShader, ctx); - conicalBrushFragmentShader->addSource(QLatin1String(fragmentShaderMainSrc)); - conicalBrushFragmentShader->addSource(QLatin1String(qglslConicalGradientBrushFragmentShader)); - if (!conicalBrushFragmentShader->compile()) { - qWarning() << "qglslConicalGradientBrushFragmentShader failed to compile:" - << conicalBrushFragmentShader->log(); - } - } - fragmentShader = conicalBrushFragmentShader; - break; - case Qt::Dense1Pattern: - case Qt::Dense2Pattern: - case Qt::Dense3Pattern: - case Qt::Dense4Pattern: - case Qt::Dense5Pattern: - case Qt::Dense6Pattern: - case Qt::Dense7Pattern: - case Qt::HorPattern: - case Qt::VerPattern: - case Qt::CrossPattern: - case Qt::BDiagPattern: - case Qt::FDiagPattern: - case Qt::DiagCrossPattern: - if (!patternBrushVertexShader) { - qDebug("Compiling qglslPatternBrushVertexShader"); - patternBrushVertexShader = new QGLShader(QGLShader::VertexShader, ctx); - patternBrushVertexShader->addSource(QLatin1String(qglslPatternBrushVertexShader)); - if (!patternBrushVertexShader->compile()) { - qWarning() << "qglslPatternBrushVertexShader failed to compile: " - << patternBrushVertexShader->log(); - } - } - vertexShader = patternBrushVertexShader; - - if (!patternBrushFragmentShader) { - qDebug("Compiling qglslPatternBrushFragmentShader"); - patternBrushFragmentShader = new QGLShader(QGLShader::FragmentShader, ctx); - patternBrushFragmentShader->addSource(QLatin1String(qglslNoOpacityFragmentShaderMain)); - patternBrushFragmentShader->addSource(QLatin1String(qglslPatternBrushFragmentShader)); - if (!patternBrushFragmentShader->compile()) { - qWarning() << "qglslPatternBrushFragmentShader failed to compile:" - << patternBrushFragmentShader->log(); - } - } - fragmentShader = patternBrushFragmentShader; - break; - default: - qWarning("Unimplemented brush style (%d)", currentBrushStyle); - } - - // Now newBrushShader is set correctly, check to see if we already have the program - // already linked and ready to go in the cache: - bool foundProgram = false; - foreach (QGLCachedShaderProg cachedProg, cachedPrograms) { - if ((cachedProg.vertexShader == vertexShader) && - (cachedProg.brushShader == fragmentShader) && - (cachedProg.compositionShader == 0) ) { - - activeProgram = cachedProg.shader; - foundProgram = true; - break; - } - } - - if (!foundProgram) { - qDebug() << "Linking shader program for " << currentBrushStyle; - // Required program not found - create it. - QGLShaderProgram* newProg = new QGLShaderProgram(ctx); - - newProg->addShader(vertexShader); - newProg->addShader(fragmentShader); - - if (!newProg->link()) - qWarning() << "Shader program for " << currentBrushStyle << "failed to link:" << newProg->log(); - - QGLCachedShaderProg cachedProg; - cachedProg.vertexShader = vertexShader; - cachedProg.brushShader = fragmentShader; - cachedProg.compositionShader = 0; - cachedProg.shader = newProg; - - cachedPrograms.append(cachedProg); - activeProgram = newProg; - } - - activeProgram->use(); - shaderProgNeedsChanging = false; - return true; -} - -QGLShaderProgram* QGLPEXShaderManager::brushShader() -{ - return activeProgram; -} - -// The only uniform the simple shader has is the PMV matrix -QGLShaderProgram* QGLPEXShaderManager::simpleShader() -{ - if (!simpleShaderProgram) { - simpleShaderProgram = new QGLShaderProgram(ctx); - - if (!simpleFragmentShader) { - simpleFragmentShader = new QGLShader(QGLShader::FragmentShader, ctx); - simpleFragmentShader->addSource(QLatin1String(qglslSimpleFragmentShader)); - if (!simpleFragmentShader->compile()) - qWarning() << "qglslSimpleFragmentShader failed to compile:" << simpleFragmentShader->log(); - } - - simpleShaderProgram->addShader(defaultVertexShader); - simpleShaderProgram->addShader(simpleFragmentShader); - if (!simpleShaderProgram->link()) - qWarning() << "Simple shader program failed to link:" << simpleShaderProgram->log(); - } - - return simpleShaderProgram; -} - -QGLShaderProgram* QGLPEXShaderManager::imageShader() -{ - if (!imageShaderProgram) { - if (!imageVertexShader) { - imageVertexShader = new QGLShader(QGLShader::VertexShader, ctx); - imageVertexShader->addSource(QLatin1String(qglslImageVertexShader)); - if (!imageVertexShader->compile()) - qWarning() << "Image/Pixmap vertex shader failed to compile:" << imageVertexShader->log(); - } - - if (!imageFragmentShader) { - imageFragmentShader = new QGLShader(QGLShader::FragmentShader, ctx); - imageFragmentShader->addSource(QLatin1String(qglslImageFragmentShader)); - if (!imageFragmentShader->compile()) - qWarning() << "Image/Pixmap fragment shader failed to compile:" << imageFragmentShader->log(); - } - - imageShaderProgram = new QGLShaderProgram(ctx); - imageShaderProgram->addShader(imageVertexShader); - imageShaderProgram->addShader(imageFragmentShader); - if (!imageShaderProgram->link()) - qWarning() << "Image/Pixmap shader program failed to link:" << imageShaderProgram->log(); - } - - return imageShaderProgram; -} - -QGLShaderProgram* QGLPEXShaderManager::textShader() -{ - if (!textShaderProgram) { - if (!textVertexShader) { - textVertexShader = new QGLShader(QGLShader::VertexShader, ctx); - textVertexShader->addSource(QLatin1String(qglslImageVertexShader)); - if (!textVertexShader->compile()) - qWarning() << "Text vertex shader failed to compile:" << textVertexShader->log(); - } - - if (!textFragmentShader) { - textFragmentShader = new QGLShader(QGLShader::FragmentShader, ctx); - textFragmentShader->addSource(QLatin1String(qglslTextFragmentShader)); - if (!textFragmentShader->compile()) - qWarning() << "Text fragment shader failed to compile:" << textFragmentShader->log(); - } - - textShaderProgram = new QGLShaderProgram(ctx); - textShaderProgram->addShader(textVertexShader); - textShaderProgram->addShader(textFragmentShader); - if (!textShaderProgram->link()) - qWarning() << "Text shader program failed to link:" << textShaderProgram->log(); - } - - return textShaderProgram; -} - diff --git a/src/opengl/gl2paintengineex/qglpexshadermanager_p.h b/src/opengl/gl2paintengineex/qglpexshadermanager_p.h deleted file mode 100644 index c8f47b2..0000000 --- a/src/opengl/gl2paintengineex/qglpexshadermanager_p.h +++ /dev/null @@ -1,156 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Qt Software Information (qt-info@nokia.com) -** -** This file is part of the QtOpenGL module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at qt-sales@nokia.com. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include "qglshader_p.h" - - -// Worstcase combo: Brush->Mask->Composition - -/* - Vertex shader source is specified with a single string. This string - contains the main function and sets the gl_Position. The choice of - which vertex shader to use depends on: - - Brush style - - Brush transform->isAffine() - - Fragment shaders are specified as multiple strings, one for the main - function, one for the brush calculation and optionally one for the - extended composition mode. Brushes are implementations of - "mediump vec4 brush()" - Composition modes are implemented as a - "mediump vec4 compose(mediump vec4 color)" - NOTE: Precision may change in future. - - The choice of which main() fragment shader string to use depends on: - - Global opacity - - Brush style (some brushes apply opacity themselves) - - Use of mask (TODO: Need to support high quality anti-aliasing & text) - - Composition mode - - The choice of which brush() fragment shader to use depends on: - - Brush style - -*/ - - -struct QGLCachedShaderProg -{ - QGLShader* vertexShader; - QGLShader* brushShader; - QGLShader* compositionShader; - QGLShaderProgram* shader; -}; - -class QGLPEXShaderManager -{ -public: - QGLPEXShaderManager(const QGLContext* context); - ~QGLPEXShaderManager(); - - enum TransformType {IdentityTransform, ScaleTransform, TranslateTransform, FullTransform}; - - void optimiseForBrushTransform(const QTransform& transform); - void setBrushStyle(Qt::BrushStyle style); - void setUseGlobalOpacity(bool value); - void setAffineOnlyBrushTransform(bool value); // I.e. Do we need to apply perspective-correction? - // Not doing so saves some vertex shader calculations. - - bool useCorrectShaderProg(); // returns true if the shader program has changed - - QGLShaderProgram* brushShader(); - QGLShaderProgram* simpleShader(); // Used to draw into e.g. stencil buffers - QGLShaderProgram* imageShader(); - QGLShaderProgram* textShader(); - -private: - QGLShader* defaultVertexShader; - - QGLShader* imageVertexShader; - QGLShader* imageFragmentShader; - QGLShaderProgram* imageShaderProgram; - - QGLShader* textVertexShader; - QGLShader* textFragmentShader; - QGLShaderProgram* textShaderProgram; - - QGLShader* noBrushShader; - QGLShader* solidBrushShader; - - QGLShader* conicalBrushVertexShader; - QGLShader* conicalBrushFragmentShader; - - QGLShader* radialBrushVertexShader; - QGLShader* radialBrushFragmentShader; - - QGLShader* linearBrushVertexShader; - QGLShader* linearBrushFragmentShader; - - QGLShader* patternBrushVertexShader; - QGLShader* patternBrushFragmentShader; - - QGLShader* textureBrushFragmentShader; - QGLShader* textureBrushVertexShader; - - QGLShader* simpleFragmentShader; - QGLShaderProgram* simpleShaderProgram; - - QGLShaderProgram* activeProgram; - - Qt::BrushStyle currentBrushStyle; - bool useGlobalOpacity; - TransformType currentTransformType; - bool shaderProgNeedsChanging; - - QList<QGLCachedShaderProg> cachedPrograms; - - QGLContext* ctx; -}; diff --git a/src/opengl/gl2paintengineex/qglshader.cpp b/src/opengl/gl2paintengineex/qglshader.cpp index 4ac6e61..ea4cae9 100644 --- a/src/opengl/gl2paintengineex/qglshader.cpp +++ b/src/opengl/gl2paintengineex/qglshader.cpp @@ -51,6 +51,7 @@ #if !defined(QT_OPENGL_ES_2) static const char *qglslDefines = "#define lowp\n#define mediump\n#define highp\n"; +#include "private/qgl_p.h" #else static const char *qglslDefines = ""; #endif diff --git a/src/opengl/gl2paintengineex/qglshader_p.h b/src/opengl/gl2paintengineex/qglshader_p.h index 4cbf3f6..64c9a42 100644 --- a/src/opengl/gl2paintengineex/qglshader_p.h +++ b/src/opengl/gl2paintengineex/qglshader_p.h @@ -81,7 +81,8 @@ SAMPLER_2D_SHADOW. #include <QtOpenGL> -#include <private/qgl_p.h> +#define QGLShader QGLEngineShader +#define QGLShaderProgram QGLEngineShaderProgram typedef struct { GLfloat a; diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp index d0f0ad6..5a701aa 100644 --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp @@ -77,7 +77,7 @@ #include <private/qtextureglyphcache_p.h> #include "qglgradientcache_p.h" -#include "qglpexshadermanager_p.h" +#include "qglengineshadermanager_p.h" #include "qgl2pexvertexarray_p.h" @@ -89,12 +89,13 @@ extern QImage qt_imageForBrush(int brushStyle, bool invert); //in qbrush.cpp enum EngineMode { ImageDrawingMode, TextDrawingMode, - DefaultMode + BrushDrawingMode }; -static const GLuint QT_VERTEX_COORDS_ATTR = 0; -static const GLuint QT_TEXTURE_COORDS_ATTR = 1; -static const GLuint QT_BRUSH_TEXTURE_UNIT = 0; +static const GLuint QT_BRUSH_TEXTURE_UNIT = 0; +static const GLuint QT_IMAGE_TEXTURE_UNIT = 0; //Can be the same as brush texture unit +static const GLuint QT_MASK_TEXTURE_UNIT = 1; +static const GLuint QT_BACKGROUND_TEXTURE_UNIT = 2; class QGL2PaintEngineExPrivate : public QPaintEngineExPrivate { @@ -121,11 +122,11 @@ public: void transferMode(EngineMode newMode); - void drawTexture(const QGLRect& dest, const QGLRect& src, const QSize &textureSize); - void drawCachedGlyphs(const QPointF &p, const QTextItemInt &ti); - + // fill, drawOutline, drawTexture & drawCachedGlyphs are the rendering entry points: void fill(const QVectorPath &path); void drawOutline(const QVectorPath& path); + void drawTexture(const QGLRect& dest, const QGLRect& src, const QSize &textureSize); + void drawCachedGlyphs(const QPointF &p, const QTextItemInt &ti); void drawVertexArrays(QGL2PEXVertexArray& vertexArray, GLenum primitive); // ^ draws whatever is in the vertex array @@ -135,7 +136,7 @@ public: // ^ Calls drawVertexArrays to render into stencil buffer void cleanStencilBuffer(const QGLRect& area); - void prepareForDraw(); + void prepareForDraw(bool srcPixelsAreOpaque); inline void useSimpleShader(); inline QColor premultiplyColor(QColor c, GLfloat opacity); @@ -153,9 +154,7 @@ public: bool brushTextureDirty; bool brushUniformsDirty; bool simpleShaderMatrixUniformDirty; - bool brushShaderMatrixUniformDirty; - bool imageShaderMatrixUniformDirty; - bool textShaderMatrixUniformDirty; + bool shaderMatrixUniformDirty; bool stencilBuferDirty; const QBrush* currentBrush; // May not be the state's brush! @@ -170,7 +169,7 @@ public: GLfloat pmvMatrix[4][4]; - QGLPEXShaderManager* shaderManager; + QGLEngineShaderManager* shaderManager; // Clipping & state stuff stolen from QOpenGLPaintEngine: void updateDepthClip(); @@ -192,7 +191,7 @@ QGL2PaintEngineExPrivate::~QGL2PaintEngineExPrivate() void QGL2PaintEngineExPrivate::updateTextureFilter(GLenum target, GLenum wrapMode, bool smoothPixmapTransform) { - glActiveTexture(QT_BRUSH_TEXTURE_UNIT); +// glActiveTexture(GL_TEXTURE0 + QT_BRUSH_TEXTURE_UNIT); //### Is it always this texture unit? if (smoothPixmapTransform) { glTexParameterf(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR); @@ -221,21 +220,21 @@ void QGL2PaintEngineExPrivate::setBrush(const QBrush* brush) currentBrush = brush; brushTextureDirty = true; brushUniformsDirty = true; - shaderManager->setBrushStyle(currentBrush->style()); - shaderManager->setAffineOnlyBrushTransform(currentBrush->transform().isAffine()); + shaderManager->setSrcPixelType(currentBrush->style()); + shaderManager->optimiseForBrushTransform(currentBrush->transform()); } // Unless this gets used elsewhere, it's probably best to merge it into fillStencilWithVertexArray void QGL2PaintEngineExPrivate::useSimpleShader() { - shaderManager->simpleShader()->use(); + shaderManager->simpleProgram()->enable(); if (matrixDirty) updateMatrix(); if (simpleShaderMatrixUniformDirty) { - shaderManager->simpleShader()->uniforms()[QLatin1String("pmvMatrix")] = pmvMatrix; + shaderManager->simpleProgram()->setUniformValue("pmvMatrix", pmvMatrix); simpleShaderMatrixUniformDirty = false; } } @@ -252,7 +251,7 @@ void QGL2PaintEngineExPrivate::updateBrushTexture() // Get the image data for the pattern QImage texImage = qt_imageForBrush(style, true); - glActiveTexture(QT_BRUSH_TEXTURE_UNIT); + glActiveTexture(GL_TEXTURE0 + QT_BRUSH_TEXTURE_UNIT); ctx->d_func()->bindTexture(texImage, GL_TEXTURE_2D, GL_RGBA, true); updateTextureFilter(GL_TEXTURE_2D, GL_REPEAT, true); } @@ -272,12 +271,13 @@ void QGL2PaintEngineExPrivate::updateBrushTexture() else updateTextureFilter(GL_TEXTURE_2D, GL_CLAMP_TO_EDGE, true); + glActiveTexture(GL_TEXTURE0 + QT_BRUSH_TEXTURE_UNIT); glBindTexture(GL_TEXTURE_2D, texId); } else if (style == Qt::TexturePattern) { const QPixmap& texPixmap = currentBrush->texture(); - glActiveTexture(QT_BRUSH_TEXTURE_UNIT); + glActiveTexture(GL_TEXTURE0 + QT_BRUSH_TEXTURE_UNIT); ctx->d_func()->bindTexture(texPixmap, GL_TEXTURE_2D, GL_RGBA, true); updateTextureFilter(GL_TEXTURE_2D, GL_REPEAT, true); } @@ -293,17 +293,11 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms() if (style == Qt::NoBrush) return; - GLfloat opacity = 1.0; - if (q->state()->opacity < 0.99f) - opacity = (GLfloat)q->state()->opacity; - bool setOpacity = true; - QTransform brushQTransform = currentBrush->transform(); if (style == Qt::SolidPattern) { - QColor col = premultiplyColor(currentBrush->color(), opacity); - shaderManager->brushShader()->uniforms()[QLatin1String("fragmentColor")] = col; - setOpacity = false; + QColor col = premultiplyColor(currentBrush->color(), (GLfloat)q->state()->opacity); + shaderManager->currentProgram()->setUniformValue("fragmentColor", col); } else { // All other brushes have a transform and thus need the translation point: @@ -312,13 +306,12 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms() if (style <= Qt::DiagCrossPattern) { translationPoint = q->state()->brushOrigin; - QColor col = premultiplyColor(currentBrush->color(), opacity); + QColor col = premultiplyColor(currentBrush->color(), (GLfloat)q->state()->opacity); - shaderManager->brushShader()->uniforms()[QLatin1String("patternColor")] = col; - setOpacity = false; //So code below doesn't try to set the opacity uniform + shaderManager->currentProgram()->setUniformValue("patternColor", col); - QGLVec2 halfViewportSize = { width*0.5, height*0.5 }; - shaderManager->brushShader()->uniforms()[QLatin1String("halfViewportSize")] = halfViewportSize; + QVector2D halfViewportSize(width*0.5, height*0.5); + shaderManager->currentProgram()->setUniformValue("halfViewportSize", halfViewportSize); } else if (style == Qt::LinearGradientPattern) { const QLinearGradient *g = static_cast<const QLinearGradient *>(currentBrush->gradient()); @@ -329,17 +322,16 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms() QPointF l = realFinal - realStart; - // ### - QGLVec3 linearData = { + QVector3D linearData( l.x(), l.y(), 1.0f / (l.x() * l.x() + l.y() * l.y()) - }; + ); - shaderManager->brushShader()->uniforms()[QLatin1String("linearData")] = linearData; + shaderManager->currentProgram()->setUniformValue("linearData", linearData); - QGLVec2 halfViewportSize = { width*0.5, height*0.5 }; - shaderManager->brushShader()->uniforms()[QLatin1String("halfViewportSize")] = halfViewportSize; + QVector2D halfViewportSize(width*0.5, height*0.5); + shaderManager->currentProgram()->setUniformValue("halfViewportSize", halfViewportSize); } else if (style == Qt::ConicalGradientPattern) { const QConicalGradient *g = static_cast<const QConicalGradient *>(currentBrush->gradient()); @@ -347,10 +339,10 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms() GLfloat angle = -(g->angle() * 2 * Q_PI) / 360.0; - shaderManager->brushShader()->uniforms()[QLatin1String("angle")] = angle; + shaderManager->currentProgram()->setUniformValue("angle", angle); - QGLVec2 halfViewportSize = { width*0.5, height*0.5 }; - shaderManager->brushShader()->uniforms()[QLatin1String("halfViewportSize")] = halfViewportSize; + QVector2D halfViewportSize(width*0.5, height*0.5); + shaderManager->currentProgram()->setUniformValue("halfViewportSize", halfViewportSize); } else if (style == Qt::RadialGradientPattern) { const QRadialGradient *g = static_cast<const QRadialGradient *>(currentBrush->gradient()); @@ -360,16 +352,15 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms() translationPoint = realFocal; QPointF fmp = realCenter - realFocal; - shaderManager->brushShader()->uniforms()[QLatin1String("fmp")] = fmp; + shaderManager->currentProgram()->setUniformValue("fmp", fmp); GLfloat fmp2_m_radius2 = -fmp.x() * fmp.x() - fmp.y() * fmp.y() + realRadius*realRadius; - shaderManager->brushShader()->uniforms()[QLatin1String("fmp2_m_radius2")] = fmp2_m_radius2; - - shaderManager->brushShader()->uniforms()[QLatin1String("inverse_2_fmp2_m_radius2")] = - GLfloat(1.0 / (2.0*fmp2_m_radius2)); + shaderManager->currentProgram()->setUniformValue("fmp2_m_radius2", fmp2_m_radius2); + shaderManager->currentProgram()->setUniformValue("inverse_2_fmp2_m_radius2", + GLfloat(1.0 / (2.0*fmp2_m_radius2))); - QGLVec2 halfViewportSize = { width*0.5, height*0.5 }; - shaderManager->brushShader()->uniforms()[QLatin1String("halfViewportSize")] = halfViewportSize; + QVector2D halfViewportSize(width*0.5, height*0.5); + shaderManager->currentProgram()->setUniformValue("halfViewportSize", halfViewportSize); } else if (style == Qt::TexturePattern) { translationPoint = q->state()->brushOrigin; @@ -377,10 +368,10 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms() const QPixmap& texPixmap = currentBrush->texture(); QSizeF invertedTextureSize( 1.0 / texPixmap.width(), 1.0 / texPixmap.height() ); - shaderManager->brushShader()->uniforms()[QLatin1String("invertedTextureSize")] = invertedTextureSize; + shaderManager->currentProgram()->setUniformValue("invertedTextureSize", invertedTextureSize); - QGLVec2 halfViewportSize = { width*0.5, height*0.5 }; - shaderManager->brushShader()->uniforms()[QLatin1String("halfViewportSize")] = halfViewportSize; + QVector2D halfViewportSize(width*0.5, height*0.5); + shaderManager->currentProgram()->setUniformValue("halfViewportSize", halfViewportSize); } else qWarning("QGL2PaintEngineEx: Unimplemented fill style"); @@ -389,11 +380,8 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms() QTransform gl_to_qt(1, 0, 0, -1, 0, height); QTransform inv_matrix = gl_to_qt * (brushQTransform * q->state()->matrix).inverted() * translate; - shaderManager->brushShader()->uniforms()[QLatin1String("brushTransform")] = inv_matrix; - shaderManager->brushShader()->uniforms()[QLatin1String("brushTexture")] = QT_BRUSH_TEXTURE_UNIT; - - if (setOpacity) - shaderManager->brushShader()->uniforms()[QLatin1String("opacity")] = opacity; + shaderManager->currentProgram()->setUniformValue("brushTransform", inv_matrix); + shaderManager->currentProgram()->setUniformValue("brushTexture", QT_BRUSH_TEXTURE_UNIT); } brushUniformsDirty = false; } @@ -456,9 +444,7 @@ void QGL2PaintEngineExPrivate::updateMatrix() // The actual data has been updated so both shader program's uniforms need updating simpleShaderMatrixUniformDirty = true; - brushShaderMatrixUniformDirty = true; - imageShaderMatrixUniformDirty = true; - textShaderMatrixUniformDirty = true; + shaderMatrixUniformDirty = true; } @@ -529,22 +515,16 @@ static inline void setCoords(GLfloat *coords, const QGLRect &rect) void QGL2PaintEngineExPrivate::drawTexture(const QGLRect& dest, const QGLRect& src, const QSize &textureSize) { -// qDebug("QGL2PaintEngineExPrivate::drawImage()"); - updateTextureFilter(GL_TEXTURE_2D, GL_REPEAT, q->state()->renderHints & QPainter::SmoothPixmapTransform); + transferMode(ImageDrawingMode); - if (compositionModeDirty) - updateCompositionMode(); - - if (matrixDirty) - updateMatrix(); + updateTextureFilter(GL_TEXTURE_2D, GL_REPEAT, q->state()->renderHints & QPainter::SmoothPixmapTransform); - if (imageShaderMatrixUniformDirty) { - shaderManager->imageShader()->uniforms()[QLatin1String("pmvMatrix")] = pmvMatrix; - imageShaderMatrixUniformDirty = false; - } + // Setup for texture drawing + shaderManager->setSrcPixelType(QGLEngineShaderManager::ImageSrc); + shaderManager->setTextureCoordsEnabled(true); + prepareForDraw(false); // ### - if (q->state()->opacity < 0.99f) - shaderManager->imageShader()->uniforms()[QLatin1String("opacity")] = (GLfloat)q->state()->opacity; + shaderManager->currentProgram()->setUniformValue("imageTexture", QT_IMAGE_TEXTURE_UNIT); GLfloat dx = 1.0 / textureSize.width(); GLfloat dy = 1.0 / textureSize.height(); @@ -571,44 +551,35 @@ void QGL2PaintEngineExPrivate::transferMode(EngineMode newMode) matrixDirty = true; if (newMode == TextDrawingMode) { - glEnable(GL_BLEND); - glActiveTexture(QT_BRUSH_TEXTURE_UNIT); - glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR); glEnableVertexAttribArray(QT_TEXTURE_COORDS_ATTR); glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinateArray.data()); glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinateArray.data()); - shaderManager->textShader()->use(); - shaderManager->textShader()->uniforms()[QLatin1String("textureSampler")] = QT_BRUSH_TEXTURE_UNIT; - matrixDirty = true; } if (newMode == ImageDrawingMode) { - // We have a shader specifically for drawPixmap/drawImage... - shaderManager->imageShader()->use(); - shaderManager->imageShader()->uniforms()[QLatin1String("textureSampler")] = QT_BRUSH_TEXTURE_UNIT; - shaderManager->imageShader()->uniforms()[QLatin1String("opacity")] = (GLfloat)1.0; - glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR); glEnableVertexAttribArray(QT_TEXTURE_COORDS_ATTR); glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, staticVertexCoordinateArray); glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, staticTextureCoordinateArray); - - glActiveTexture(QT_BRUSH_TEXTURE_UNIT); } + // This needs to change when we implement high-quality anti-aliasing... + if (newMode != TextDrawingMode) + shaderManager->setMaskType(QGLEngineShaderManager::NoMask); + mode = newMode; } void QGL2PaintEngineExPrivate::drawOutline(const QVectorPath& path) { - transferMode(DefaultMode); + transferMode(BrushDrawingMode); -// qDebug("QGL2PaintEngineExPrivate::drawOutline()"); + // Might need to call updateMatrix to re-calculate inverseScale if (matrixDirty) updateMatrix(); @@ -621,7 +592,7 @@ void QGL2PaintEngineExPrivate::drawOutline(const QVectorPath& path) vertexCoordinateArray.stops().last() += 1; } - prepareForDraw(); + prepareForDraw(currentBrush->isOpaque()); drawVertexArrays(vertexCoordinateArray, GL_LINE_STRIP); } @@ -629,8 +600,9 @@ void QGL2PaintEngineExPrivate::drawOutline(const QVectorPath& path) // Assumes everything is configured for the brush you want to use void QGL2PaintEngineExPrivate::fill(const QVectorPath& path) { - transferMode(DefaultMode); + transferMode(BrushDrawingMode); + // Might need to call updateMatrix to re-calculate inverseScale if (matrixDirty) updateMatrix(); @@ -639,13 +611,13 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path) // Check to see if there's any hints if (path.shape() == QVectorPath::RectangleHint) { QGLRect rect(points[0].x(), points[0].y(), points[2].x(), points[2].y()); - prepareForDraw(); + prepareForDraw(currentBrush->isOpaque()); composite(rect); } else if (path.shape() == QVectorPath::EllipseHint) { vertexCoordinateArray.clear(); vertexCoordinateArray.addPath(path, inverseScale); - prepareForDraw(); + prepareForDraw(currentBrush->isOpaque()); drawVertexArrays(vertexCoordinateArray, GL_TRIANGLE_FAN); } else { @@ -658,7 +630,7 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path) // Stencil the brush onto the dest buffer glStencilFunc(GL_NOTEQUAL, 0, 0xFFFF); // Pass if stencil buff value != 0 glEnable(GL_STENCIL_TEST); - prepareForDraw(); + prepareForDraw(currentBrush->isOpaque()); composite(vertexCoordinateArray.boundingRect()); glDisable(GL_STENCIL_TEST); @@ -738,32 +710,55 @@ void QGL2PaintEngineExPrivate::cleanStencilBuffer(const QGLRect& area) glDisable(GL_STENCIL_TEST); } -void QGL2PaintEngineExPrivate::prepareForDraw() +void QGL2PaintEngineExPrivate::prepareForDraw(bool srcPixelsAreOpaque) { - if (brushTextureDirty) + if (brushTextureDirty && mode != ImageDrawingMode) updateBrushTexture(); if (compositionModeDirty) updateCompositionMode(); - if (shaderManager->useCorrectShaderProg()) { + if (matrixDirty) + updateMatrix(); + + const bool stateHasOpacity = q->state()->opacity < 0.99f; + if ( (!srcPixelsAreOpaque || stateHasOpacity) && + q->state()->compositionMode() != QPainter::CompositionMode_Source) + glEnable(GL_BLEND); + else + glDisable(GL_BLEND); + + bool useGlobalOpacityUniform = stateHasOpacity; + if (stateHasOpacity && (mode != ImageDrawingMode)) { + // Using a brush + bool brushIsPattern = (currentBrush->style() >= Qt::Dense1Pattern) && + (currentBrush->style() <= Qt::DiagCrossPattern); + + if ((currentBrush->style() == Qt::SolidPattern) || brushIsPattern) + useGlobalOpacityUniform = false; // Global opacity handled by srcPixel shader + } + shaderManager->setUseGlobalOpacity(useGlobalOpacityUniform); + + + // If the shader program needs changing, we change it and mark all uniforms as dirty + if (shaderManager->shaderProgramDirty()) { + shaderManager->useCorrectShaderProg(); + // The shader program has changed so mark all uniforms as dirty: brushUniformsDirty = true; - brushShaderMatrixUniformDirty = true; + shaderMatrixUniformDirty = true; } - if (brushUniformsDirty) + if (brushUniformsDirty && mode != ImageDrawingMode) updateBrushUniforms(); - if (brushShaderMatrixUniformDirty) { - shaderManager->brushShader()->uniforms()[QLatin1String("pmvMatrix")] = pmvMatrix; - brushShaderMatrixUniformDirty = false; + if (shaderMatrixUniformDirty) { + shaderManager->currentProgram()->setUniformValue("pmvMatrix", pmvMatrix); + shaderMatrixUniformDirty = false; } - if ((q->state()->opacity < 0.99f) || !currentBrush->isOpaque()) - glEnable(GL_BLEND); - else - glDisable(GL_BLEND); + if (useGlobalOpacityUniform) + shaderManager->currentProgram()->setUniformValue("globalOpacity", (GLfloat)q->state()->opacity); } void QGL2PaintEngineExPrivate::composite(const QGLRect& boundingRect) @@ -823,6 +818,9 @@ void QGL2PaintEngineEx::fill(const QVectorPath &path, const QBrush &brush) { Q_D(QGL2PaintEngineEx); + if (brush.style() == Qt::NoBrush) + return; + ensureActive(); d->setBrush(&brush); d->fill(path); @@ -880,7 +878,6 @@ void QGL2PaintEngineEx::opacityChanged() Q_D(QGL2PaintEngineEx); Q_ASSERT(d->shaderManager); - d->shaderManager->setUseGlobalOpacity(state()->opacity > 0.999); d->brushUniformsDirty = true; } @@ -910,6 +907,7 @@ void QGL2PaintEngineEx::drawPixmap(const QRectF& dest, const QPixmap & pixmap, c d->transferMode(ImageDrawingMode); QGLContext *ctx = d->ctx; + glActiveTexture(GL_TEXTURE0 + QT_IMAGE_TEXTURE_UNIT); ctx->d_func()->bindTexture(pixmap, GL_TEXTURE_2D, GL_RGBA, true); //FIXME: we should use hasAlpha() instead, but that's SLOW at the moment @@ -929,6 +927,7 @@ void QGL2PaintEngineEx::drawImage(const QRectF& dest, const QImage& image, const d->transferMode(ImageDrawingMode); QGLContext *ctx = d->ctx; + glActiveTexture(GL_TEXTURE0 + QT_IMAGE_TEXTURE_UNIT); ctx->d_func()->bindTexture(image, GL_TEXTURE_2D, GL_RGBA, true); if ((state()->opacity < 0.99f) || image.hasAlphaChannel()) @@ -942,6 +941,7 @@ void QGL2PaintEngineEx::drawImage(const QRectF& dest, const QImage& image, const void QGL2PaintEngineEx::drawTextItem(const QPointF &p, const QTextItem &textItem) { Q_D(QGL2PaintEngineEx); + ensureActive(); QOpenGLPaintEngineState *s = state(); @@ -949,9 +949,6 @@ void QGL2PaintEngineEx::drawTextItem(const QPointF &p, const QTextItem &textItem bool drawCached = true; - if (state()->pen.brush().style() != Qt::SolidPattern) - drawCached = false; - if (s->matrix.type() > QTransform::TxTranslate) drawCached = false; @@ -969,21 +966,33 @@ void QGL2PaintEngineEx::drawTextItem(const QPointF &p, const QTextItem &textItem void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, const QTextItemInt &ti) { + transferMode(TextDrawingMode); + Q_Q(QGL2PaintEngineEx); QOpenGLPaintEngineState *s = q->state(); - transferMode(TextDrawingMode); - QVarLengthArray<QFixedPoint> positions; QVarLengthArray<glyph_t> glyphs; QTransform matrix; matrix.translate(p.x(), p.y()); ti.fontEngine->getGlyphPositions(ti.glyphs, matrix, ti.flags, glyphs, positions); + QFontEngineGlyphCache::Type glyphType = ti.fontEngine->glyphFormat >= 0 ? QFontEngineGlyphCache::Type(ti.fontEngine->glyphFormat) : QFontEngineGlyphCache::Raster_A8; + GLenum maskFormat = GL_RGBA; + if (glyphType == QFontEngineGlyphCache::Raster_A8) { + shaderManager->setMaskType(QGLEngineShaderManager::PixelMask); +// maskFormat = GL_ALPHA; + } + else if (glyphType == QFontEngineGlyphCache::Raster_RGBMask) + shaderManager->setMaskType(QGLEngineShaderManager::SubPixelMask); + //### TODO: Gamma correction + shaderManager->setTextureCoordsEnabled(true); + + QImageTextureGlyphCache *cache = (QImageTextureGlyphCache *) ti.fontEngine->glyphCache(glyphType, s->matrix); if (!cache) { @@ -999,24 +1008,6 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, const QTextIte if (image.isNull()) return; - ctx->d_func()->bindTexture(image, GL_TEXTURE_2D, GL_RGBA, true); - - updateTextureFilter(GL_TEXTURE_2D, GL_REPEAT, false); - - if (compositionModeDirty) - updateCompositionMode(); - - if (matrixDirty) - updateMatrix(); - - if (textShaderMatrixUniformDirty) { - shaderManager->textShader()->uniforms()[QLatin1String("pmvMatrix")] = pmvMatrix; - textShaderMatrixUniformDirty = false; - } - - QColor col = premultiplyColor(s->pen.color(), (GLfloat)s->opacity); - shaderManager->textShader()->uniforms()[QLatin1String("fragmentColor")] = col; - GLfloat dx = 1.0 / image.width(); GLfloat dy = 1.0 / image.height(); @@ -1035,12 +1026,25 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, const QTextIte textureCoordinateArray.addRect(QRectF(c.x*dx, 1 - c.y*dy, c.w * dx, -c.h * dy)); } + glActiveTexture(GL_TEXTURE0 + QT_MASK_TEXTURE_UNIT); + ctx->d_func()->bindTexture(image, GL_TEXTURE_2D, GL_RGBA, true); + updateTextureFilter(GL_TEXTURE_2D, GL_REPEAT, false); + + QBrush pensBrush = q->state()->pen.brush(); + setBrush(&pensBrush); + + prepareForDraw(false); // Text always causes src pixels to be transparent + + shaderManager->currentProgram()->setUniformValue("maskTexture", QT_MASK_TEXTURE_UNIT); + if (vertexCoordinateArray.data() != oldVertexCoordinateDataPtr) glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinateArray.data()); if (textureCoordinateArray.data() != oldTextureCoordinateDataPtr) glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinateArray.data()); glDrawArrays(GL_TRIANGLES, 0, 6 * glyphs.size()); + + setBrush(&(q->state()->brush)); //### } bool QGL2PaintEngineEx::begin(QPaintDevice *pdev) @@ -1055,7 +1059,7 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev) QSize sz = d->drawable.size(); d->width = sz.width(); d->height = sz.height(); - d->mode = DefaultMode; + d->mode = BrushDrawingMode; qt_resolve_version_1_3_functions(d->ctx); qt_resolve_glsl_extensions(d->ctx); @@ -1065,11 +1069,11 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev) if (d->last_engine) { QGL2PaintEngineEx *engine = static_cast<QGL2PaintEngineEx *>(d->last_engine); - static_cast<QGL2PaintEngineExPrivate *>(engine->d_ptr)->transferMode(DefaultMode); + static_cast<QGL2PaintEngineExPrivate *>(engine->d_ptr)->transferMode(BrushDrawingMode); } if (!d->shaderManager) - d->shaderManager = new QGLPEXShaderManager(d->ctx); + d->shaderManager = new QGLEngineShaderManager(d->ctx); glViewport(0, 0, d->width, d->height); @@ -1114,14 +1118,14 @@ bool QGL2PaintEngineEx::end() QGL2PaintEngineEx *engine = static_cast<QGL2PaintEngineEx *>(d->last_engine); if (engine) { QGL2PaintEngineExPrivate *p = static_cast<QGL2PaintEngineExPrivate *>(engine->d_ptr); - p->transferMode(DefaultMode); + p->transferMode(BrushDrawingMode); p->drawable.doneCurrent(); } d->drawable.makeCurrent(); } glUseProgram(0); - d->transferMode(DefaultMode); + d->transferMode(BrushDrawingMode); d->drawable.swapBuffers(); d->drawable.doneCurrent(); d->ctx->d_ptr->active_engine = d->last_engine; @@ -1150,7 +1154,7 @@ void QGL2PaintEngineEx::ensureActive() QGL2PaintEngineEx *engine = static_cast<QGL2PaintEngineEx *>(ctx->d_ptr->active_engine); if (engine) { QGL2PaintEngineExPrivate *p = static_cast<QGL2PaintEngineExPrivate *>(engine->d_ptr); - p->transferMode(DefaultMode); + p->transferMode(BrushDrawingMode); p->drawable.doneCurrent(); } d->drawable.makeCurrent(); @@ -1378,9 +1382,7 @@ void QGL2PaintEngineEx::setState(QPainterState *new_state) d->brushTextureDirty = true; d->brushUniformsDirty = true; d->simpleShaderMatrixUniformDirty = true; - d->brushShaderMatrixUniformDirty = true; - d->imageShaderMatrixUniformDirty = true; - d->textShaderMatrixUniformDirty = true; + d->shaderMatrixUniformDirty = true; } QPainterState *QGL2PaintEngineEx::createState(QPainterState *orig) const diff --git a/src/opengl/opengl.pro b/src/opengl/opengl.pro index 9006a32..88af516 100644 --- a/src/opengl/opengl.pro +++ b/src/opengl/opengl.pro @@ -25,12 +25,16 @@ HEADERS += qgl.h \ qglcolormap.h \ qglpixelbuffer.h \ qglframebufferobject.h \ + qglpixmapfilter_p.h \ + qglshaderprogram.h SOURCES += qgl.cpp \ qglcolormap.cpp \ qglpixelbuffer.cpp \ qglframebufferobject.cpp \ qglextensions.cpp \ + qglpixmapfilter.cpp \ + qglshaderprogram.cpp #!contains(QT_CONFIG, opengles2) { # HEADERS += qpaintengine_opengl_p.h @@ -39,16 +43,15 @@ SOURCES += qgl.cpp \ #contains(QT_CONFIG, opengles2) { SOURCES += gl2paintengineex/qglgradientcache.cpp \ - gl2paintengineex/qglpexshadermanager.cpp \ - gl2paintengineex/qglshader.cpp \ + gl2paintengineex/qglengineshadermanager.cpp \ gl2paintengineex/qgl2pexvertexarray.cpp \ gl2paintengineex/qpaintengineex_opengl2.cpp HEADERS += gl2paintengineex/qglgradientcache_p.h \ - gl2paintengineex/qglpexshadermanager_p.h \ - gl2paintengineex/qglshader_p.h \ + gl2paintengineex/qglengineshadermanager_p.h \ gl2paintengineex/qgl2pexvertexarray_p.h \ - gl2paintengineex/qpaintengineex_opengl2_p.h + gl2paintengineex/qpaintengineex_opengl2_p.h \ + gl2paintengineex/qglengineshadersource_p.h #} diff --git a/src/opengl/qglextensions.cpp b/src/opengl/qglextensions.cpp index e6ac043..5fda346 100644 --- a/src/opengl/qglextensions.cpp +++ b/src/opengl/qglextensions.cpp @@ -153,55 +153,179 @@ bool qt_resolve_buffer_extensions(QGLContext *ctx) bool qt_resolve_glsl_extensions(QGLContext *ctx) { +#if defined(QT_OPENGL_ES_2) + // The GLSL shader functions are always present in OpenGL/ES 2.0. + // The only exceptions are glGetProgramBinaryOES and glProgramBinaryOES. + if (!QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glslResolved) { + glGetProgramBinaryOES = (_glGetProgramBinaryOES) ctx->getProcAddress(QLatin1String("glGetProgramBinaryOES")); + glProgramBinaryOES = (_glProgramBinaryOES) ctx->getProcAddress(QLatin1String("glProgramBinaryOES")); + QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glslResolved = true; + } + return true; +#else if (glCreateShader) return true; glCreateShader = (_glCreateShader) ctx->getProcAddress(QLatin1String("glCreateShader")); - glShaderSource = (_glShaderSource) ctx->getProcAddress(QLatin1String("glShaderSource")); - glCompileShader = (_glCompileShader) ctx->getProcAddress(QLatin1String("glCompileShader")); - glDeleteShader = (_glDeleteShader) ctx->getProcAddress(QLatin1String("glDeleteShader")); - - glCreateProgram = (_glCreateProgram) ctx->getProcAddress(QLatin1String("glCreateProgram")); - glAttachShader = (_glAttachShader) ctx->getProcAddress(QLatin1String("glAttachShader")); - glDetachShader = (_glDetachShader) ctx->getProcAddress(QLatin1String("glDetachShader")); - glLinkProgram = (_glLinkProgram) ctx->getProcAddress(QLatin1String("glLinkProgram")); - glUseProgram = (_glUseProgram) ctx->getProcAddress(QLatin1String("glUseProgram")); - glDeleteProgram = (_glDeleteProgram) ctx->getProcAddress(QLatin1String("glDeleteProgram")); - - glGetShaderInfoLog = (_glGetShaderInfoLog) ctx->getProcAddress(QLatin1String("glGetShaderInfoLog")); - glGetShaderiv = (_glGetShaderiv) ctx->getProcAddress(QLatin1String("glGetShaderiv")); - glGetProgramiv = (_glGetProgramiv) ctx->getProcAddress(QLatin1String("glGetProgramiv")); - - glGetUniformLocation = (_glGetUniformLocation) ctx->getProcAddress(QLatin1String("glGetUniformLocation")); - glUniform4fv = (_glUniform4fv) ctx->getProcAddress(QLatin1String("glUniform4fv")); - glUniform3fv = (_glUniform3fv) ctx->getProcAddress(QLatin1String("glUniform3fv")); - glUniform2fv = (_glUniform2fv) ctx->getProcAddress(QLatin1String("glUniform2fv")); - glUniform1fv = (_glUniform1fv) ctx->getProcAddress(QLatin1String("glUniform1fv")); - glUniform1i = (_glUniform1i) ctx->getProcAddress(QLatin1String("glUniform1i")); - - glGetActiveAttrib = (_glGetActiveAttrib) ctx->getProcAddress(QLatin1String("glGetActiveAttrib")); - glGetAttribLocation = (_glGetAttribLocation) ctx->getProcAddress(QLatin1String("glGetAttribLocation")); - glGetActiveUniform = (_glGetActiveUniform) ctx->getProcAddress(QLatin1String("glGetActiveUniform")); - glGetProgramInfoLog = (_glGetProgramInfoLog) ctx->getProcAddress(QLatin1String("glGetProgramInfoLog")); - glUniform1f = (_glUniform1f) ctx->getProcAddress(QLatin1String("glUniform1f")); - glUniform2f = (_glUniform2f) ctx->getProcAddress(QLatin1String("glUniform2f")); - glUniform4f = (_glUniform4f) ctx->getProcAddress(QLatin1String("glUniform4f")); - glUniformMatrix2fv = (_glUniformMatrix2fv) ctx->getProcAddress(QLatin1String("glUniformMatrix2fv")); - glUniformMatrix3fv = (_glUniformMatrix3fv) ctx->getProcAddress(QLatin1String("glUniformMatrix3fv")); - glUniformMatrix4fv = (_glUniformMatrix4fv) ctx->getProcAddress(QLatin1String("glUniformMatrix4fv")); - glEnableVertexAttribArray = (_glEnableVertexAttribArray) ctx->getProcAddress(QLatin1String("glEnableVertexAttribArray")); - glDisableVertexAttribArray = (_glDisableVertexAttribArray) ctx->getProcAddress(QLatin1String("glDisableVertexAttribArray")); - glVertexAttribPointer = (_glVertexAttribPointer) ctx->getProcAddress(QLatin1String("glVertexAttribPointer")); - glStencilOpSeparate = (_glStencilOpSeparate) ctx->getProcAddress(QLatin1String("glStencilOpSeparate")); - - return glCreateShader && glShaderSource && glCompileShader && glDeleteProgram && - glCreateProgram && glAttachShader && glDetachShader && glLinkProgram && glUseProgram && - glDeleteProgram && glGetShaderInfoLog && glGetShaderiv && glGetProgramiv && glGetUniformLocation && - glUniform1i && glUniform1fv && glUniform2fv && glUniform3fv && glUniform4fv && - glGetActiveAttrib && glGetAttribLocation && glGetActiveUniform && glGetProgramInfoLog && - glUniform1f && glUniform2f && glUniform4f && - glUniformMatrix2fv && glUniformMatrix3fv && glUniformMatrix4fv && - glEnableVertexAttribArray && glDisableVertexAttribArray && glVertexAttribPointer && glStencilOpSeparate; + if (glCreateShader) { + glShaderSource = (_glShaderSource) ctx->getProcAddress(QLatin1String("glShaderSource")); + glShaderBinary = (_glShaderBinary) ctx->getProcAddress(QLatin1String("glShaderBinary")); + glCompileShader = (_glCompileShader) ctx->getProcAddress(QLatin1String("glCompileShader")); + glDeleteShader = (_glDeleteShader) ctx->getProcAddress(QLatin1String("glDeleteShader")); + glIsShader = (_glIsShader) ctx->getProcAddress(QLatin1String("glIsShader")); + + glCreateProgram = (_glCreateProgram) ctx->getProcAddress(QLatin1String("glCreateProgram")); + glAttachShader = (_glAttachShader) ctx->getProcAddress(QLatin1String("glAttachShader")); + glDetachShader = (_glDetachShader) ctx->getProcAddress(QLatin1String("glDetachShader")); + glLinkProgram = (_glLinkProgram) ctx->getProcAddress(QLatin1String("glLinkProgram")); + glUseProgram = (_glUseProgram) ctx->getProcAddress(QLatin1String("glUseProgram")); + glDeleteProgram = (_glDeleteProgram) ctx->getProcAddress(QLatin1String("glDeleteProgram")); + glIsProgram = (_glIsProgram) ctx->getProcAddress(QLatin1String("glIsProgram")); + + glGetShaderInfoLog = (_glGetShaderInfoLog) ctx->getProcAddress(QLatin1String("glGetShaderInfoLog")); + glGetShaderiv = (_glGetShaderiv) ctx->getProcAddress(QLatin1String("glGetShaderiv")); + glGetShaderSource = (_glGetShaderSource) ctx->getProcAddress(QLatin1String("glGetShaderSource")); + glGetProgramiv = (_glGetProgramiv) ctx->getProcAddress(QLatin1String("glGetProgramiv")); + glGetProgramInfoLog = (_glGetProgramInfoLog) ctx->getProcAddress(QLatin1String("glGetProgramInfoLog")); + + glGetActiveUniform = (_glGetActiveUniform) ctx->getProcAddress(QLatin1String("glGetActiveUniform"));//### REMOVE + glGetUniformLocation = (_glGetUniformLocation) ctx->getProcAddress(QLatin1String("glGetUniformLocation")); + glUniform4f = (_glUniform4f) ctx->getProcAddress(QLatin1String("glUniform4f")); //### REMOVE + glUniform4fv = (_glUniform4fv) ctx->getProcAddress(QLatin1String("glUniform4fv")); + glUniform3fv = (_glUniform3fv) ctx->getProcAddress(QLatin1String("glUniform3fv")); + glUniform2f = (_glUniform2f) ctx->getProcAddress(QLatin1String("glUniform2f")); //### REMOVE + glUniform2fv = (_glUniform2fv) ctx->getProcAddress(QLatin1String("glUniform2fv")); + glUniform1f = (_glUniform1f) ctx->getProcAddress(QLatin1String("glUniform1f")); //### REMOVE + glUniform1fv = (_glUniform1fv) ctx->getProcAddress(QLatin1String("glUniform1fv")); + glUniform1i = (_glUniform1i) ctx->getProcAddress(QLatin1String("glUniform1i")); + glUniform1iv = (_glUniform1iv) ctx->getProcAddress(QLatin1String("glUniform1iv")); + glUniformMatrix2fv = (_glUniformMatrix2fv) ctx->getProcAddress(QLatin1String("glUniformMatrix2fv")); + glUniformMatrix3fv = (_glUniformMatrix3fv) ctx->getProcAddress(QLatin1String("glUniformMatrix3fv")); + glUniformMatrix4fv = (_glUniformMatrix4fv) ctx->getProcAddress(QLatin1String("glUniformMatrix4fv")); + glUniformMatrix2x3fv = (_glUniformMatrix2x3fv) ctx->getProcAddress(QLatin1String("glUniformMatrix2x3fv")); + glUniformMatrix2x4fv = (_glUniformMatrix2x4fv) ctx->getProcAddress(QLatin1String("glUniformMatrix2x4fv")); + glUniformMatrix3x2fv = (_glUniformMatrix3x2fv) ctx->getProcAddress(QLatin1String("glUniformMatrix3x2fv")); + glUniformMatrix3x4fv = (_glUniformMatrix3x4fv) ctx->getProcAddress(QLatin1String("glUniformMatrix3x4fv")); + glUniformMatrix4x2fv = (_glUniformMatrix4x2fv) ctx->getProcAddress(QLatin1String("glUniformMatrix4x2fv")); + glUniformMatrix4x3fv = (_glUniformMatrix4x3fv) ctx->getProcAddress(QLatin1String("glUniformMatrix4x3fv")); + + glGetActiveAttrib = (_glGetActiveAttrib) ctx->getProcAddress(QLatin1String("glGetActiveAttrib")); //### REMOVE + glBindAttribLocation = (_glBindAttribLocation) ctx->getProcAddress(QLatin1String("glBindAttribLocation")); + glGetAttribLocation = (_glGetAttribLocation) ctx->getProcAddress(QLatin1String("glGetAttribLocation")); + glVertexAttrib1fv = (_glVertexAttrib1fv) ctx->getProcAddress(QLatin1String("glVertexAttrib1fv")); + glVertexAttrib2fv = (_glVertexAttrib2fv) ctx->getProcAddress(QLatin1String("glVertexAttrib2fv")); + glVertexAttrib3fv = (_glVertexAttrib3fv) ctx->getProcAddress(QLatin1String("glVertexAttrib3fv")); + glVertexAttrib4fv = (_glVertexAttrib4fv) ctx->getProcAddress(QLatin1String("glVertexAttrib4fv")); + glVertexAttribPointer = (_glVertexAttribPointer) ctx->getProcAddress(QLatin1String("glVertexAttribPointer")); + glDisableVertexAttribArray = (_glDisableVertexAttribArray) ctx->getProcAddress(QLatin1String("glDisableVertexAttribArray")); + glEnableVertexAttribArray = (_glEnableVertexAttribArray) ctx->getProcAddress(QLatin1String("glEnableVertexAttribArray")); + + glStencilOpSeparate = (_glStencilOpSeparate) ctx->getProcAddress(QLatin1String("glStencilOpSeparate")); //### Not really a glsl extension, but needed for gl2 + + } else { + // We may not have the standard shader functions, but we might + // have the older ARB functions instead. + glCreateShader = (_glCreateShader) ctx->getProcAddress(QLatin1String("glCreateShaderObjectARB")); + glShaderSource = (_glShaderSource) ctx->getProcAddress(QLatin1String("glShaderSourceARB")); + glShaderBinary = (_glShaderBinary) ctx->getProcAddress(QLatin1String("glShaderBinaryARB")); + glCompileShader = (_glCompileShader) ctx->getProcAddress(QLatin1String("glCompileShaderARB")); + glDeleteShader = (_glDeleteShader) ctx->getProcAddress(QLatin1String("glDeleteObjectARB")); + glIsShader = 0; + + glCreateProgram = (_glCreateProgram) ctx->getProcAddress(QLatin1String("glCreateProgramObjectARB")); + glAttachShader = (_glAttachShader) ctx->getProcAddress(QLatin1String("glAttachObjectARB")); + glDetachShader = (_glDetachShader) ctx->getProcAddress(QLatin1String("glDetachObjectARB")); + glLinkProgram = (_glLinkProgram) ctx->getProcAddress(QLatin1String("glLinkProgramARB")); + glUseProgram = (_glUseProgram) ctx->getProcAddress(QLatin1String("glUseProgramObjectARB")); + glDeleteProgram = (_glDeleteProgram) ctx->getProcAddress(QLatin1String("glDeleteObjectARB")); + glIsProgram = 0; + + glGetShaderInfoLog = (_glGetShaderInfoLog) ctx->getProcAddress(QLatin1String("glGetInfoLogARB")); + glGetShaderiv = (_glGetShaderiv) ctx->getProcAddress(QLatin1String("glGetObjectParameterivARB")); + glGetShaderSource = (_glGetShaderSource) ctx->getProcAddress(QLatin1String("glGetShaderSourceARB")); + glGetProgramiv = (_glGetProgramiv) ctx->getProcAddress(QLatin1String("glGetObjectParameterivARB")); + glGetProgramInfoLog = (_glGetProgramInfoLog) ctx->getProcAddress(QLatin1String("glGetInfoLogARB")); + + glGetActiveUniform = (_glGetActiveUniform) ctx->getProcAddress(QLatin1String("glGetActiveUniformARB"));//### REMOVE + glGetUniformLocation = (_glGetUniformLocation) ctx->getProcAddress(QLatin1String("glGetUniformLocationARB")); + glUniform4f = (_glUniform4f) ctx->getProcAddress(QLatin1String("glUniform4fARB")); //### REMOVE + glUniform4fv = (_glUniform4fv) ctx->getProcAddress(QLatin1String("glUniform4fvARB")); + glUniform3fv = (_glUniform3fv) ctx->getProcAddress(QLatin1String("glUniform3fvARB")); + glUniform2f = (_glUniform2f) ctx->getProcAddress(QLatin1String("glUniform2fARB")); //### REMOVE + glUniform2fv = (_glUniform2fv) ctx->getProcAddress(QLatin1String("glUniform2fvARB")); + glUniform1f = (_glUniform1f) ctx->getProcAddress(QLatin1String("glUniform1fARB")); //### REMOVE + glUniform1fv = (_glUniform1fv) ctx->getProcAddress(QLatin1String("glUniform1fvARB")); + glUniform1i = (_glUniform1i) ctx->getProcAddress(QLatin1String("glUniform1iARB")); + glUniform1iv = (_glUniform1iv) ctx->getProcAddress(QLatin1String("glUniform1ivARB")); + glUniformMatrix2fv = (_glUniformMatrix2fv) ctx->getProcAddress(QLatin1String("glUniformMatrix2fvARB")); + glUniformMatrix3fv = (_glUniformMatrix3fv) ctx->getProcAddress(QLatin1String("glUniformMatrix3fvARB")); + glUniformMatrix4fv = (_glUniformMatrix4fv) ctx->getProcAddress(QLatin1String("glUniformMatrix4fvARB")); + glUniformMatrix2x3fv = (_glUniformMatrix2x3fv) ctx->getProcAddress(QLatin1String("glUniformMatrix2x3fvARB")); + glUniformMatrix2x4fv = (_glUniformMatrix2x4fv) ctx->getProcAddress(QLatin1String("glUniformMatrix2x4fvARB")); + glUniformMatrix3x2fv = (_glUniformMatrix3x2fv) ctx->getProcAddress(QLatin1String("glUniformMatrix3x2fvARB")); + glUniformMatrix3x4fv = (_glUniformMatrix3x4fv) ctx->getProcAddress(QLatin1String("glUniformMatrix3x4fvARB")); + glUniformMatrix4x2fv = (_glUniformMatrix4x2fv) ctx->getProcAddress(QLatin1String("glUniformMatrix4x2fvARB")); + glUniformMatrix4x3fv = (_glUniformMatrix4x3fv) ctx->getProcAddress(QLatin1String("glUniformMatrix4x3fvARB")); + + glGetActiveAttrib = (_glGetActiveAttrib) ctx->getProcAddress(QLatin1String("glGetActiveAttribARB")); //### REMOVE + glBindAttribLocation = (_glBindAttribLocation) ctx->getProcAddress(QLatin1String("glBindAttribLocationARB")); + glGetAttribLocation = (_glGetAttribLocation) ctx->getProcAddress(QLatin1String("glGetAttribLocationARB")); + glVertexAttrib1fv = (_glVertexAttrib1fv) ctx->getProcAddress(QLatin1String("glVertexAttrib1fvARB")); + glVertexAttrib2fv = (_glVertexAttrib2fv) ctx->getProcAddress(QLatin1String("glVertexAttrib2fvARB")); + glVertexAttrib3fv = (_glVertexAttrib3fv) ctx->getProcAddress(QLatin1String("glVertexAttrib3fvARB")); + glVertexAttrib4fv = (_glVertexAttrib4fv) ctx->getProcAddress(QLatin1String("glVertexAttrib4fvARB")); + glVertexAttribPointer = (_glVertexAttribPointer) ctx->getProcAddress(QLatin1String("glVertexAttribPointerARB")); + glDisableVertexAttribArray = (_glDisableVertexAttribArray) ctx->getProcAddress(QLatin1String("glDisableVertexAttribArrayARB")); + glEnableVertexAttribArray = (_glEnableVertexAttribArray) ctx->getProcAddress(QLatin1String("glEnableVertexAttribArrayARB")); + + glStencilOpSeparate = 0; //### Was never an ARB extension but went strait into OpenGL 2.0 + } + + // Note: glShaderBinary(), glIsShader(), glIsProgram(), and + // glUniformMatrixNxMfv() are optional, but all other functions + // are required. + + return glCreateShader && + glShaderSource && + glCompileShader && + glDeleteProgram && + glCreateProgram && + glAttachShader && + glDetachShader && + glLinkProgram && + glUseProgram && + glDeleteProgram && + glGetShaderInfoLog && + glGetShaderiv && + glGetShaderSource && + glGetProgramiv && + glGetProgramInfoLog && + glGetActiveUniform && //### REMOVE + glGetUniformLocation && + glUniform1f && //### REMOVE + glUniform1fv && + glUniform2f && //### REMOVE + glUniform2fv && + glUniform3fv && + glUniform4f && //### REMOVE + glUniform4fv && + glUniform1i && + glUniform1iv && + glUniformMatrix2fv && + glUniformMatrix3fv && + glUniformMatrix4fv && + glGetActiveAttrib && //### REMOVE + glBindAttribLocation && + glGetAttribLocation && + glVertexAttrib1fv && + glVertexAttrib2fv && + glVertexAttrib3fv && + glVertexAttrib4fv && + glVertexAttribPointer && + glDisableVertexAttribArray && + glEnableVertexAttribArray && + glStencilOpSeparate; +#endif } QT_END_NAMESPACE diff --git a/src/opengl/qglextensions_p.h b/src/opengl/qglextensions_p.h index cd35eb0..9249730 100644 --- a/src/opengl/qglextensions_p.h +++ b/src/opengl/qglextensions_p.h @@ -96,8 +96,10 @@ typedef void (APIENTRY *_glProgramLocalParameter4fvARB) (GLenum, GLuint, const G // GLSL typedef GLuint (APIENTRY *_glCreateShader) (GLenum); typedef void (APIENTRY *_glShaderSource) (GLuint, GLsizei, const char **, const GLint *); +typedef void (APIENTRY *_glShaderBinary) (GLint, const GLuint*, GLenum, const void*, GLint); typedef void (APIENTRY *_glCompileShader) (GLuint); typedef void (APIENTRY *_glDeleteShader) (GLuint); +typedef GLboolean (APIENTRY *_glIsShader) (GLuint); typedef GLuint (APIENTRY *_glCreateProgram) (); typedef void (APIENTRY *_glAttachShader) (GLuint, GLuint); @@ -105,10 +107,13 @@ typedef void (APIENTRY *_glDetachShader) (GLuint, GLuint); typedef void (APIENTRY *_glLinkProgram) (GLuint); typedef void (APIENTRY *_glUseProgram) (GLuint); typedef void (APIENTRY *_glDeleteProgram) (GLuint); +typedef GLboolean (APIENTRY *_glIsProgram) (GLuint); typedef void (APIENTRY *_glGetShaderInfoLog) (GLuint, GLsizei, GLsizei *, char *); typedef void (APIENTRY *_glGetShaderiv) (GLuint, GLenum, GLint *); +typedef void (APIENTRY *_glGetShaderSource) (GLuint, GLsizei, GLsizei *, char *); typedef void (APIENTRY *_glGetProgramiv) (GLuint, GLenum, GLint *); +typedef void (APIENTRY *_glGetProgramInfoLog) (GLuint, GLsizei, GLsizei *, char *); typedef GLuint (APIENTRY *_glGetUniformLocation) (GLuint, const char*); typedef void (APIENTRY *_glUniform4fv) (GLint, GLsizei, const GLfloat *); @@ -116,6 +121,29 @@ typedef void (APIENTRY *_glUniform3fv) (GLint, GLsizei, const GLfloat *); typedef void (APIENTRY *_glUniform2fv) (GLint, GLsizei, const GLfloat *); typedef void (APIENTRY *_glUniform1fv) (GLint, GLsizei, const GLfloat *); typedef void (APIENTRY *_glUniform1i) (GLint, GLint); +typedef void (APIENTRY *_glUniform1iv) (GLint, GLsizei, const GLint *); +typedef void (APIENTRY *_glUniformMatrix2fv) (GLint, GLsizei, GLboolean, const GLfloat *); +typedef void (APIENTRY *_glUniformMatrix3fv) (GLint, GLsizei, GLboolean, const GLfloat *); +typedef void (APIENTRY *_glUniformMatrix4fv) (GLint, GLsizei, GLboolean, const GLfloat *); +typedef void (APIENTRY *_glUniformMatrix2x3fv) (GLint, GLsizei, GLboolean, const GLfloat *); +typedef void (APIENTRY *_glUniformMatrix2x4fv) (GLint, GLsizei, GLboolean, const GLfloat *); +typedef void (APIENTRY *_glUniformMatrix3x2fv) (GLint, GLsizei, GLboolean, const GLfloat *); +typedef void (APIENTRY *_glUniformMatrix3x4fv) (GLint, GLsizei, GLboolean, const GLfloat *); +typedef void (APIENTRY *_glUniformMatrix4x2fv) (GLint, GLsizei, GLboolean, const GLfloat *); +typedef void (APIENTRY *_glUniformMatrix4x3fv) (GLint, GLsizei, GLboolean, const GLfloat *); + +typedef void (APIENTRY *_glBindAttribLocation) (GLuint, GLuint, const char *); +typedef GLint (APIENTRY *_glGetAttribLocation) (GLuint, const char *); +typedef void (APIENTRY *_glVertexAttrib1fv) (GLuint, const GLfloat *); +typedef void (APIENTRY *_glVertexAttrib2fv) (GLuint, const GLfloat *); +typedef void (APIENTRY *_glVertexAttrib3fv) (GLuint, const GLfloat *); +typedef void (APIENTRY *_glVertexAttrib4fv) (GLuint, const GLfloat *); +typedef void (APIENTRY *_glVertexAttribPointer) (GLuint, GLint, GLenum, GLboolean, GLsizei, const GLvoid *); +typedef void (APIENTRY *_glDisableVertexAttribArray) (GLuint); +typedef void (APIENTRY *_glEnableVertexAttribArray) (GLuint); + +typedef void (APIENTRY *_glGetProgramBinaryOES) (GLuint, GLsizei, GLsizei *, GLenum *, void *); +typedef void (APIENTRY *_glProgramBinaryOES) (GLuint, GLenum, const void *, GLint); typedef void (APIENTRY *_glActiveStencilFaceEXT) (GLenum ); @@ -182,10 +210,13 @@ struct QGLExtensionFuncs qt_glGenProgramsARB = 0; qt_glProgramLocalParameter4fvARB = 0; +#if !defined(QT_OPENGL_ES_2) qt_glCreateShader = 0; qt_glShaderSource = 0; + qt_glShaderBinary = 0; qt_glCompileShader = 0; qt_glDeleteShader = 0; + qt_glIsShader = 0; qt_glCreateProgram = 0; qt_glAttachShader = 0; @@ -193,10 +224,13 @@ struct QGLExtensionFuncs qt_glLinkProgram = 0; qt_glUseProgram = 0; qt_glDeleteProgram = 0; + qt_glIsProgram = 0; qt_glGetShaderInfoLog = 0; qt_glGetShaderiv = 0; + qt_glGetShaderSource = 0; qt_glGetProgramiv = 0; + qt_glGetProgramInfoLog = 0; qt_glGetUniformLocation = 0; qt_glUniform4fv = 0; @@ -204,6 +238,32 @@ struct QGLExtensionFuncs qt_glUniform2fv = 0; qt_glUniform1fv = 0; qt_glUniform1i = 0; + qt_glUniform1iv = 0; + qt_glUniformMatrix2fv = 0; + qt_glUniformMatrix3fv = 0; + qt_glUniformMatrix4fv = 0; + qt_glUniformMatrix2x3fv = 0; + qt_glUniformMatrix2x4fv = 0; + qt_glUniformMatrix3x2fv = 0; + qt_glUniformMatrix3x4fv = 0; + qt_glUniformMatrix4x2fv = 0; + qt_glUniformMatrix4x3fv = 0; + + qt_glBindAttribLocation = 0; + qt_glGetAttribLocation = 0; + qt_glVertexAttrib1fv = 0; + qt_glVertexAttrib2fv = 0; + qt_glVertexAttrib3fv = 0; + qt_glVertexAttrib4fv = 0; + qt_glVertexAttribPointer = 0; + qt_glDisableVertexAttribArray = 0; + qt_glEnableVertexAttribArray = 0; +#else + qt_glslResolved = false; + + qt_glGetProgramBinaryOES = 0; + qt_glProgramBinaryOES = 0; +#endif qt_glActiveStencilFaceEXT = 0; @@ -261,11 +321,14 @@ struct QGLExtensionFuncs _glGenProgramsARB qt_glGenProgramsARB; _glProgramLocalParameter4fvARB qt_glProgramLocalParameter4fvARB; +#if !defined(QT_OPENGL_ES_2) // GLSL definitions _glCreateShader qt_glCreateShader; _glShaderSource qt_glShaderSource; + _glShaderBinary qt_glShaderBinary; _glCompileShader qt_glCompileShader; _glDeleteShader qt_glDeleteShader; + _glIsShader qt_glIsShader; _glCreateProgram qt_glCreateProgram; _glAttachShader qt_glAttachShader; @@ -273,10 +336,13 @@ struct QGLExtensionFuncs _glLinkProgram qt_glLinkProgram; _glUseProgram qt_glUseProgram; _glDeleteProgram qt_glDeleteProgram; + _glIsProgram qt_glIsProgram; _glGetShaderInfoLog qt_glGetShaderInfoLog; _glGetShaderiv qt_glGetShaderiv; + _glGetShaderSource qt_glGetShaderSource; _glGetProgramiv qt_glGetProgramiv; + _glGetProgramInfoLog qt_glGetProgramInfoLog; _glGetUniformLocation qt_glGetUniformLocation; _glUniform4fv qt_glUniform4fv; @@ -284,6 +350,32 @@ struct QGLExtensionFuncs _glUniform2fv qt_glUniform2fv; _glUniform1fv qt_glUniform1fv; _glUniform1i qt_glUniform1i; + _glUniform1iv qt_glUniform1iv; + _glUniformMatrix2fv qt_glUniformMatrix2fv; + _glUniformMatrix3fv qt_glUniformMatrix3fv; + _glUniformMatrix4fv qt_glUniformMatrix4fv; + _glUniformMatrix2x3fv qt_glUniformMatrix2x3fv; + _glUniformMatrix2x4fv qt_glUniformMatrix2x4fv; + _glUniformMatrix3x2fv qt_glUniformMatrix3x2fv; + _glUniformMatrix3x4fv qt_glUniformMatrix3x4fv; + _glUniformMatrix4x2fv qt_glUniformMatrix4x2fv; + _glUniformMatrix4x3fv qt_glUniformMatrix4x3fv; + + _glBindAttribLocation qt_glBindAttribLocation; + _glGetAttribLocation qt_glGetAttribLocation; + _glVertexAttrib1fv qt_glVertexAttrib1fv; + _glVertexAttrib2fv qt_glVertexAttrib2fv; + _glVertexAttrib3fv qt_glVertexAttrib3fv; + _glVertexAttrib4fv qt_glVertexAttrib4fv; + _glVertexAttribPointer qt_glVertexAttribPointer; + _glDisableVertexAttribArray qt_glDisableVertexAttribArray; + _glEnableVertexAttribArray qt_glEnableVertexAttribArray; +#else + bool qt_glslResolved; + + _glGetProgramBinaryOES qt_glGetProgramBinaryOES; + _glProgramBinaryOES qt_glProgramBinaryOES; +#endif _glActiveStencilFaceEXT qt_glActiveStencilFaceEXT; @@ -320,18 +412,10 @@ struct QGLExtensionFuncs _glUnmapBufferARB qt_glUnmapBufferARB; _glGetActiveAttrib qt_glGetActiveAttrib; - _glGetAttribLocation qt_glGetAttribLocation; _glGetActiveUniform qt_glGetActiveUniform; - _glGetProgramInfoLog qt_glGetProgramInfoLog; _glUniform1f qt_glUniform1f; _glUniform2f qt_glUniform2f; _glUniform4f qt_glUniform4f; - _glUniformMatrix2fv qt_glUniformMatrix2fv; - _glUniformMatrix3fv qt_glUniformMatrix3fv; - _glUniformMatrix4fv qt_glUniformMatrix4fv; - _glEnableVertexAttribArray qt_glEnableVertexAttribArray; - _glDisableVertexAttribArray qt_glDisableVertexAttribArray; - _glVertexAttribPointer qt_glVertexAttribPointer; _glStencilOpSeparate qt_glStencilOpSeparate; }; @@ -600,10 +684,14 @@ struct QGLExtensionFuncs #define glMapBufferARB QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glMapBufferARB #define glUnmapBufferARB QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glUnmapBufferARB +#if !defined(QT_OPENGL_ES_2) + #define glCreateShader QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glCreateShader #define glShaderSource QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glShaderSource +#define glShaderBinary QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glShaderBinary #define glCompileShader QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glCompileShader #define glDeleteShader QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glDeleteShader +#define glIsShader QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glIsShader #define glCreateProgram QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glCreateProgram #define glAttachShader QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glAttachShader @@ -611,10 +699,13 @@ struct QGLExtensionFuncs #define glLinkProgram QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glLinkProgram #define glUseProgram QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glUseProgram #define glDeleteProgram QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glDeleteProgram +#define glIsProgram QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glIsProgram #define glGetShaderInfoLog QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glGetShaderInfoLog #define glGetShaderiv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glGetShaderiv +#define glGetShaderSource QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glGetShaderSource #define glGetProgramiv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glGetProgramiv +#define glGetProgramInfoLog QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glGetProgramInfoLog #define glGetUniformLocation QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glGetUniformLocation #define glUniform4fv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glUniform4fv @@ -622,6 +713,33 @@ struct QGLExtensionFuncs #define glUniform2fv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glUniform2fv #define glUniform1fv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glUniform1fv #define glUniform1i QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glUniform1i +#define glUniform1iv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glUniform1iv +#define glUniformMatrix2fv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glUniformMatrix2fv +#define glUniformMatrix3fv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glUniformMatrix3fv +#define glUniformMatrix4fv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glUniformMatrix4fv +#define glUniformMatrix2x3fv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glUniformMatrix2x3fv +#define glUniformMatrix2x4fv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glUniformMatrix2x4fv +#define glUniformMatrix3x2fv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glUniformMatrix3x2fv +#define glUniformMatrix3x4fv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glUniformMatrix3x4fv +#define glUniformMatrix4x2fv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glUniformMatrix4x2fv +#define glUniformMatrix4x3fv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glUniformMatrix4x3fv + +#define glBindAttribLocation QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glBindAttribLocation +#define glGetAttribLocation QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glGetAttribLocation +#define glVertexAttrib1fv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glVertexAttrib1fv +#define glVertexAttrib2fv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glVertexAttrib2fv +#define glVertexAttrib3fv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glVertexAttrib3fv +#define glVertexAttrib4fv QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glVertexAttrib4fv +#define glVertexAttribPointer QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glVertexAttribPointer +#define glDisableVertexAttribArray QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glDisableVertexAttribArray +#define glEnableVertexAttribArray QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glEnableVertexAttribArray + +#else // QT_OPENGL_ES_2 + +#define glGetProgramBinaryOES QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glGetProgramBinaryOES +#define glProgramBinaryOES QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glProgramBinaryOES + +#endif // QT_OPENGL_ES_2 #define glGetActiveAttrib QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glGetActiveAttrib #define glGetAttribLocation QGLContextPrivate::qt_get_extension_funcs(ctx).qt_glGetAttribLocation diff --git a/src/opengl/qglpixmapfilter.cpp b/src/opengl/qglpixmapfilter.cpp index 8a64515..87abf60 100644 --- a/src/opengl/qglpixmapfilter.cpp +++ b/src/opengl/qglpixmapfilter.cpp @@ -45,27 +45,12 @@ #include "qpaintengine_opengl_p.h" #include "qglpixelbuffer.h" -#include "qglextensions_p.h" +#include "qglshaderprogram.h" #include "qgl_p.h" #include "private/qapplication_p.h" -#ifndef GL_FRAGMENT_SHADER -#define GL_FRAGMENT_SHADER 0x8B30 -#endif - -#ifndef GL_COMPILE_STATUS -#define GL_COMPILE_STATUS 0x8B81 -#endif - -#ifndef GL_LINK_STATUS -#define GL_LINK_STATUS 0x8B82 -#endif - - - - QT_BEGIN_NAMESPACE @@ -79,110 +64,6 @@ void QGLPixmapFilterBase::drawImpl(QPainter *painter, const QPointF &pos, const processGL(painter, pos, src, source); } -QGLSLProgram::QGLSLProgram(const QString &src) - : ctx(QGLContext::currentContext()) -{ - if (!qt_resolve_glsl_extensions(const_cast<QGLContext *>(ctx))) { - qWarning("Failed to resolve GLSL functions"); - m_valid = false; - return; - } - - m_shader = glCreateShader(GL_FRAGMENT_SHADER); - - const QByteArray src_ba = src.toAscii(); - const char *src_cstr = src_ba.constData(); - - glShaderSource(m_shader, 1, &src_cstr, 0); - glCompileShader(m_shader); - glGetShaderiv(m_shader, GL_COMPILE_STATUS, &m_valid); - if (!m_valid) { - char data[4096]; - GLsizei len; - glGetShaderInfoLog(m_shader, 4096, &len, data); - qWarning("Failed to compile GLSL shader:\n%s\nCODE:\n%s\n", data, src_cstr); - return; - } - - m_program = glCreateProgram(); - glAttachShader(m_program, m_shader); - glLinkProgram(m_program); - glGetProgramiv(m_program, GL_LINK_STATUS, &m_valid); - if (!m_valid) { - char data[4096]; - GLsizei len; - glGetShaderInfoLog(m_shader, 4096, &len, data); - qWarning("Failed to link GLSL program:\n%s\nCODE:\n%s\n", data, src_cstr); - return; - } -} - -QGLSLProgram::~QGLSLProgram() -{ - glDeleteProgram(m_program); - glDeleteShader(m_shader); -} - -bool QGLSLProgram::success() const -{ - return m_valid; -} - -void QGLSLProgram::enable() -{ - glUseProgram(m_program); -} - -void QGLSLProgram::disable() -{ - glUseProgram(0); -} - -int QGLSLProgram::getUniformLocation(const QString &name) -{ - return glGetUniformLocation(m_program, name.toAscii().constData()); -} - -void QGLSLProgram::setUniform(int uniform, int value) -{ - enable(); - glUniform1i(uniform, value); -} - -void QGLSLProgram::setUniform(int uniform, qreal value) -{ - enable(); - GLfloat v[] = { value }; - glUniform1fv(uniform, 1, v); -} - -void QGLSLProgram::setUniform(int uniform, qreal v1, qreal v2) -{ - enable(); - GLfloat v[] = { v1, v2 }; - glUniform2fv(uniform, 1, v); -} - -void QGLSLProgram::setUniform(int uniform, qreal v1, qreal v2, qreal v3) -{ - enable(); - GLfloat v[] = { v1, v2, v3 }; - glUniform3fv(uniform, 1, v); -} - -void QGLSLProgram::setUniform(int uniform, qreal v1, qreal v2, qreal v3, qreal v4) -{ - enable(); - GLfloat v[] = { v1, v2, v3, v4 }; - glUniform4fv(uniform, 1, v); -} - -void QGLSLProgram::setUniform(int uniform, int count, float *v) -{ - enable(); - glUniform1fv(uniform, count, v); -} - class QGLPixmapColorizeFilter: public QGLPixmapFilter<QPixmapColorizeFilter> { public: @@ -192,8 +73,8 @@ protected: bool processGL(QPainter *painter, const QPointF &pos, const QPixmap &pixmap, const QRectF &srcRect) const; private: - mutable QGLSLProgram m_program; - uint m_colorUniform; + mutable QGLShaderProgram m_program; + int m_colorUniform; }; class QGLPixmapConvolutionFilter: public QGLPixmapFilter<QPixmapConvolutionFilter> @@ -206,11 +87,11 @@ protected: bool processGL(QPainter *painter, const QPointF &pos, const QPixmap &src, const QRectF &srcRect) const; private: - QString generateConvolutionShader() const; + QByteArray generateConvolutionShader() const; - mutable QGLSLProgram *m_program; - mutable uint m_scaleUniform; - mutable uint m_matrixUniform; + mutable QGLShaderProgram *m_program; + mutable int m_scaleUniform; + mutable int m_matrixUniform; mutable int m_kernelWidth; mutable int m_kernelHeight; @@ -298,10 +179,12 @@ static const char *qt_gl_colorize_filter = "}"; QGLPixmapColorizeFilter::QGLPixmapColorizeFilter() - : m_program(QLatin1String(qt_gl_colorize_filter)) { - m_program.setUniform(m_program.getUniformLocation(QLatin1String("texture")), 0); // GL_TEXTURE_0 - m_colorUniform = m_program.getUniformLocation(QLatin1String("color")); + m_program.addShader(QGLShader::FragmentShader, qt_gl_colorize_filter); + m_program.link(); + m_program.enable(); + m_program.setUniformValue(m_program.uniformLocation("texture"), 0); // GL_TEXTURE_0 + m_colorUniform = m_program.uniformLocation("color"); } bool QGLPixmapColorizeFilter::processGL(QPainter *, const QPointF &pos, const QPixmap &src, const QRectF &srcRect) const @@ -309,10 +192,10 @@ bool QGLPixmapColorizeFilter::processGL(QPainter *, const QPointF &pos, const QP bindTexture(src); QColor col = color(); - m_program.setUniform(m_colorUniform, col.redF(), col.greenF(), col.blueF()); + m_program.enable(); + m_program.setUniformValue(m_colorUniform, col.redF(), col.greenF(), col.blueF()); QRectF target = (srcRect.isNull() ? QRectF(src.rect()) : srcRect).translated(pos); - m_program.enable(); qgl_drawTexture(target, src.width(), src.height(), srcRect); m_program.disable(); @@ -320,7 +203,7 @@ bool QGLPixmapColorizeFilter::processGL(QPainter *, const QPointF &pos, const QP } // generates convolution filter code for arbitrary sized kernel -QString QGLPixmapConvolutionFilter::generateConvolutionShader() const { +QByteArray QGLPixmapConvolutionFilter::generateConvolutionShader() const { QByteArray code; code.append("uniform sampler2D texture;\n"); code.append("uniform vec2 inv_texture_size;\n"); @@ -356,7 +239,7 @@ QString QGLPixmapConvolutionFilter::generateConvolutionShader() const { code.append(" }\n"); code.append(" gl_FragColor = sum;\n"); code.append("}"); - return QLatin1String(code); + return code; } QGLPixmapConvolutionFilter::QGLPixmapConvolutionFilter() @@ -388,10 +271,12 @@ bool QGLPixmapConvolutionFilter::processGL(QPainter *, const QPointF &pos, const m_kernelWidth = columns(); m_kernelHeight = rows(); - QString code = generateConvolutionShader(); - m_program = new QGLSLProgram(code); - m_scaleUniform = m_program->getUniformLocation(QLatin1String("inv_texture_size")); - m_matrixUniform = m_program->getUniformLocation(QLatin1String("matrix")); + QByteArray code = generateConvolutionShader(); + m_program = new QGLShaderProgram(); + m_program->addShader(QGLShader::FragmentShader, code); + m_program->link(); + m_scaleUniform = m_program->uniformLocation("inv_texture_size"); + m_matrixUniform = m_program->uniformLocation("matrix"); } const qreal *kernel = convolutionKernel(); @@ -401,10 +286,10 @@ bool QGLPixmapConvolutionFilter::processGL(QPainter *, const QPointF &pos, const const qreal iw = 1.0 / src.width(); const qreal ih = 1.0 / src.height(); - m_program->setUniform(m_scaleUniform, iw, ih); - m_program->setUniform(m_matrixUniform, m_kernelWidth * m_kernelHeight, conv); - m_program->enable(); + m_program->setUniformValue(m_scaleUniform, iw, ih); + m_program->setUniformValueArray(m_matrixUniform, conv, m_kernelWidth * m_kernelHeight, 1); + qgl_drawTexture(target, src.width(), src.height(), boundingRectFor(srcRect)); m_program->disable(); return true; diff --git a/src/opengl/qglpixmapfilter_p.h b/src/opengl/qglpixmapfilter_p.h index dc2eea6..d6742fc 100644 --- a/src/opengl/qglpixmapfilter_p.h +++ b/src/opengl/qglpixmapfilter_p.h @@ -87,35 +87,6 @@ public: } }; -class Q_OPENGL_EXPORT QGLSLProgram -{ -public: - QGLSLProgram(const QString &src); - ~QGLSLProgram(); - - bool success() const; - - void enable(); - void disable(); - - int getUniformLocation(const QString &name); - - void setUniform(int uniform, int value); - void setUniform(int uniform, qreal value); - void setUniform(int uniform, qreal v1, qreal v2); - void setUniform(int uniform, qreal v1, qreal v2, qreal v3); - void setUniform(int uniform, qreal v1, qreal v2, qreal v3, qreal v4); - void setUniform(int uniform, int count, float *v); - -private: - GLuint m_shader; - GLuint m_program; - - GLint m_valid; - - const QGLContext *ctx; -}; - QT_END_NAMESPACE QT_END_HEADER diff --git a/src/opengl/qglshaderprogram.cpp b/src/opengl/qglshaderprogram.cpp new file mode 100644 index 0000000..c2be1be --- /dev/null +++ b/src/opengl/qglshaderprogram.cpp @@ -0,0 +1,2960 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtOpenGL module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qglshaderprogram.h" +#include "qglextensions_p.h" +#include "qgl_p.h" +#include <QtCore/qdebug.h> +#include <QtCore/qfile.h> +#include <QtCore/qvarlengtharray.h> +#include <QtCore/qvector.h> + +QT_BEGIN_NAMESPACE + +#if !defined(QT_OPENGL_ES_1_CL) + +/*! + \class QGLShaderProgram + \brief The QGLShaderProgram class allows OpenGL shader programs to be linked and used. + \since 4.6 + + \section1 Introduction + + This class supports shader programs written in the OpenGL Shading + Language (GLSL) and in the OpenGL/ES Shading Language (GLSL/ES). + + QGLShader and QGLShaderProgram shelter the programmer from the details of + compiling and linking vertex and fragment shaders. + + The following example creates a vertex shader program using the + supplied source \c{code}. Once compiled and linked, the shader + program is activated in the current QGLContext by calling + QGLShaderProgram::enable(): + + \code + QGLShader shader(QGLShader::VertexShader); + shader.setSourceCode(code); + + QGLShaderProgram program(context); + program.addShader(shader); + program.link(); + + program.enable(); + \endcode + + \section1 Writing portable shaders + + Shader programs can be difficult to reuse across OpenGL implementations + because of varying levels of support for standard vertex attributes and + uniform variables. In particular, GLSL/ES lacks all of the + standard variables that are present on desktop OpenGL systems: + \c{gl_Vertex}, \c{gl_Normal}, \c{gl_Color}, and so on. Desktop OpenGL + lacks the variable qualifiers \c{highp}, \c{mediump}, and \c{lowp}. + + The QGLShaderProgram class makes the process of writing portable shaders + easier by prefixing all shader programs with the following lines on + desktop OpenGL: + + \code + #define highp + #define mediump + #define lowp + \endcode + + This makes it possible to run most GLSL/ES shader programs + on desktop systems. The programmer should restrict themselves + to just features that are present in GLSL/ES, and avoid + standard variable names that only work on the desktop. + + \section1 Simple shader example + + \code + program.addShader(QGLShader::VertexShader, + "attribute highp vec4 vertex;\n" + "attribute mediump mat4 matrix;\n" + "void main(void)\n" + "{\n" + " gl_Position = matrix * vertex;\n" + "}"); + program.addShader(QGLShader::FragmentShader, + "uniform mediump vec4 color;\n" + "void main(void)\n" + "{\n" + " gl_FragColor = color;\n" + "}"); + program.link(); + program.enable(); + + int vertexLocation = program.attributeLocation("vertex"); + int matrixLocation = program.attributeLocation("matrix"); + int colorLocation = program.uniformLocation("color"); + \endcode + + With the above shader program active, we can draw a green triangle + as follows: + + \code + static GLfloat const triangleVertices[] = { + 60.0f, 10.0f, 0.0f, + 110.0f, 110.0f, 0.0f, + 10.0f, 110.0f, 0.0f + }; + + QColor color(0, 255, 0, 255); + + QMatrix4x4 pmvMatrix; + pmvMatrix.ortho(rect()); + + program.setAttributeArray(vertexLocation, triangleVertices, 3); + program.setUniformValue(matrixLocation, pmvMatrix); + program.setUniformValue(colorLocation, color); + + glDrawArrays(GL_TRIANGLES, 0, 3); + \endcode + + \section1 Partial shaders + + Desktop GLSL can attach an arbitrary number of vertex and fragment + shaders to a shader program. Embedded GLSL/ES on the other hand + supports only a single shader of each type on a shader program. + + Multiple shaders of the same type can be useful when large libraries + of shaders are needed. Common functions can be factored out into + library shaders that can be reused in multiple shader programs. + + To support this use of shaders, the application programmer can + create shaders with the QGLShader::PartialVertexShader and + QGLShader::PartialFragmentShader types. These types direct + QGLShader and QGLShaderProgram to delay shader compilation until + link time. + + When link() is called, the sources for the partial shaders are + concatenated, and a single vertex or fragment shader is compiled + and linked into the shader program. + + It is more efficient to use the QGLShader::VertexShader and + QGLShader::FragmentShader when there is only one shader of that + type in the program. + + \sa QGLShader +*/ + +/*! + \class QGLShader + \brief The QGLShader class allows OpenGL shaders to be compiled. + \since 4.6 + + This class supports shaders written in the OpenGL Shading Language (GLSL) + and in the OpenGL/ES Shading Language (GLSL/ES). + + QGLShader and QGLShaderProgram shelter the programmer from the details of + compiling and linking vertex and fragment shaders. + + \sa QGLShaderProgram +*/ + +/*! + \enum QGLShader::ShaderType + This enum specifies the type of QGLShader that is being created. + + \value VertexShader Vertex shader written in the OpenGL Shading Language (GLSL). + \value FragmentShader Fragment shader written in the OpenGL Shading Language (GLSL). + \value PartialVertexShader Partial vertex shader that will be concatenated with all other partial vertex shaders at link time. + \value PartialFragmentShader Partial fragment shader that will be concatenated with all other partial fragment shaders at link time. +*/ + +#ifndef GL_FRAGMENT_SHADER +#define GL_FRAGMENT_SHADER 0x8B30 +#endif +#ifndef GL_VERTEX_SHADER +#define GL_VERTEX_SHADER 0x8B31 +#endif +#ifndef GL_COMPILE_STATUS +#define GL_COMPILE_STATUS 0x8B81 +#endif +#ifndef GL_LINK_STATUS +#define GL_LINK_STATUS 0x8B82 +#endif +#ifndef GL_INFO_LOG_LENGTH +#define GL_INFO_LOG_LENGTH 0x8B84 +#endif +#ifndef GL_ACTIVE_UNIFORMS +#define GL_ACTIVE_UNIFORMS 0x8B86 +#endif +#ifndef GL_ACTIVE_UNIFORM_MAX_LENGTH +#define GL_ACTIVE_UNIFORM_MAX_LENGTH 0x8B87 +#endif +#ifndef GL_ACTIVE_ATTRIBUTES +#define GL_ACTIVE_ATTRIBUTES 0x8B89 +#endif +#ifndef GL_ACTIVE_ATTRIBUTE_MAX_LENGTH +#define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH 0x8B8A +#endif +#ifndef GL_CURRENT_VERTEX_ATTRIB +#define GL_CURRENT_VERTEX_ATTRIB 0x8626 +#endif +#ifndef GL_SHADER_SOURCE_LENGTH +#define GL_SHADER_SOURCE_LENGTH 0x8B88 +#endif +#ifndef GL_SHADER_BINARY_FORMATS +#define GL_SHADER_BINARY_FORMATS 0x8DF8 +#endif +#ifndef GL_NUM_SHADER_BINARY_FORMATS +#define GL_NUM_SHADER_BINARY_FORMATS 0x8DF9 +#endif + +class QGLShaderPrivate +{ +public: + QGLShaderPrivate(QGLShader::ShaderType type, const QGLContext *ctx) + { + context = ctx; + shader = 0; + shaderType = type; + compiled = false; + isPartial = (type == QGLShader::PartialVertexShader || + type == QGLShader::PartialFragmentShader); + hasPartialSource = false; + } + + const QGLContext *context; + GLuint shader; + QGLShader::ShaderType shaderType; + bool compiled; + bool isPartial; + bool hasPartialSource; + QString errors; + QByteArray partialSource; + + bool create(); + bool compile(); +}; + +#define ctx context + +bool QGLShaderPrivate::create() +{ + if (isPartial) + return true; + if (!context) + context = QGLContext::currentContext(); + if (!context) + return false; + if (qt_resolve_glsl_extensions(const_cast<QGLContext *>(context))) { + if (shaderType == QGLShader::VertexShader) + shader = glCreateShader(GL_VERTEX_SHADER); + else + shader = glCreateShader(GL_FRAGMENT_SHADER); + if (!shader) { + qWarning() << "QGLShader: could not create shader"; + return false; + } + return true; + } else { + return false; + } +} + +bool QGLShaderPrivate::compile() +{ + // Partial shaders are compiled during QGLShaderProgram::link(). + if (isPartial && hasPartialSource) { + compiled = true; + return true; + } + if (!shader) + return false; + glCompileShader(shader); + GLint value = 0; + glGetShaderiv(shader, GL_COMPILE_STATUS, &value); + compiled = (value != 0); + value = 0; + glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &value); + if (!compiled && value > 1) { + char *log = new char [value]; + GLint len; + glGetShaderInfoLog(shader, value, &len, log); + errors = QString::fromLatin1(log); + qWarning() << "QGLShader::compile:" << errors; + delete [] log; + } + return compiled; +} + +#undef ctx +#define ctx d->context + +/*! + Constructs a new QGLShader object of the specified \a type + and attaches it to \a parent. If shader programs are not supported, + then isValid() will return false. + + This constructor is normally followed by a call to setSourceCode() + or setSourceCodeFile(). + + The shader will be associated with the current QGLContext. + + \sa setSourceCode(), setSourceCodeFile(), isValid() +*/ +QGLShader::QGLShader(QGLShader::ShaderType type, QObject *parent) + : QObject(parent) +{ + d = new QGLShaderPrivate(type, QGLContext::currentContext()); + d->create(); +} + +/*! + Constructs a new QGLShader object from the source code in \a fileName + and attaches it to \a parent. If the filename ends in \c{.fsh}, + it is assumed to be a fragment shader, otherwise it is assumed to + be a vertex shader (normally the extension is \c{.vsh} for vertex shaders). + If the shader could not be loaded, then isValid() will return false. + + The shader will be associated with the current QGLContext. + + \sa isValid() +*/ +QGLShader::QGLShader(const QString& fileName, QObject *parent) + : QObject(parent) +{ + if (fileName.endsWith(QLatin1String(".fsh"), Qt::CaseInsensitive)) + d = new QGLShaderPrivate(QGLShader::FragmentShader, QGLContext::currentContext()); + else + d = new QGLShaderPrivate(QGLShader::VertexShader, QGLContext::currentContext()); + if (d->create() && !setSourceCodeFile(fileName)) { + if (d->shader) + glDeleteShader(d->shader); + d->shader = 0; + } +} + +/*! + Constructs a new QGLShader object of the specified \a type from the + source code in \a fileName and attaches it to \a parent. + If the shader could not be loaded, then isValid() will return false. + + The shader will be associated with the current QGLContext. + + \sa isValid() +*/ +QGLShader::QGLShader + (const QString& fileName, QGLShader::ShaderType type, QObject *parent) + : QObject(parent) +{ + d = new QGLShaderPrivate(type, QGLContext::currentContext()); + if (d->create() && !setSourceCodeFile(fileName)) { + if (d->shader) + glDeleteShader(d->shader); + d->shader = 0; + } +} + +/*! + Constructs a new QGLShader object of the specified \a type + and attaches it to \a parent. If shader programs are not supported, + then isValid() will return false. + + This constructor is normally followed by a call to setSourceCode() + or setSourceCodeFile(). + + The shader will be associated with \a context. + + \sa setSourceCode(), setSourceCodeFile(), isValid() +*/ +QGLShader::QGLShader(QGLShader::ShaderType type, const QGLContext *context, QObject *parent) + : QObject(parent) +{ + d = new QGLShaderPrivate(type, context); + d->create(); +} + +/*! + Constructs a new QGLShader object from the source code in \a fileName + and attaches it to \a parent. If the filename ends in \c{.fsh}, + it is assumed to be a fragment shader, otherwise it is assumed to + be a vertex shader (normally the extension is \c{.vsh} for vertex shaders). + If the shader could not be loaded, then isValid() will return false. + + The shader will be associated with \a context. + + \sa isValid() +*/ +QGLShader::QGLShader(const QString& fileName, const QGLContext *context, QObject *parent) + : QObject(parent) +{ + if (fileName.endsWith(QLatin1String(".fsh"), Qt::CaseInsensitive)) + d = new QGLShaderPrivate(QGLShader::FragmentShader, context); + else + d = new QGLShaderPrivate(QGLShader::VertexShader, context); + if (d->create() && !setSourceCodeFile(fileName)) { + if (d->shader) + glDeleteShader(d->shader); + d->shader = 0; + } +} + +/*! + Constructs a new QGLShader object of the specified \a type from the + source code in \a fileName and attaches it to \a parent. + If the shader could not be loaded, then isValid() will return false. + + The shader will be associated with \a context. + + \sa isValid() +*/ +QGLShader::QGLShader + (const QString& fileName, QGLShader::ShaderType type, const QGLContext *context, QObject *parent) + : QObject(parent) +{ + d = new QGLShaderPrivate(type, context); + if (d->create() && !setSourceCodeFile(fileName)) { + if (d->shader) + glDeleteShader(d->shader); + d->shader = 0; + } +} + +/*! + Deletes this shader. If the shader has been attached to a + QGLShaderProgram object, then the actual shader will stay around + until the QGLShaderProgram is destroyed. +*/ +QGLShader::~QGLShader() +{ + if (d->shader) + glDeleteShader(d->shader); + delete d; +} + +/*! + Returns true if this shader is valid. Shaders become invalid + when they are destroyed and no longer attached to a QGLShaderProgram. +*/ +bool QGLShader::isValid() const +{ + if (d->isPartial && d->hasPartialSource) + return true; + if (!d->shader) + return false; +#if defined(QT_OPENGL_ES_2) + return glIsShader(d->shader); +#else + // glIsShader() may not exist on some systems. + return (!glIsShader || glIsShader(d->shader)); +#endif +} + +/*! + Returns the type of this shader. +*/ +QGLShader::ShaderType QGLShader::shaderType() const +{ + return d->shaderType; +} + +// The precision qualifiers are useful on OpenGL/ES systems, +// but usually not present on desktop systems. Define the +// keywords to empty strings on desktop systems. +#ifndef QT_OPENGL_ES +#define QGL_DEFINE_QUALIFIERS 1 +static const char qualifierDefines[] = + "#define lowp\n" + "#define mediump\n" + "#define highp\n"; +#endif + +/*! + Sets the \a source code for this shader and compiles it. + Returns true if the source was successfully compiled, false otherwise. + + If shaderType() is PartialVertexShader or PartialFragmentShader, + then this function will always return true, even if the source code + is invalid. Partial shaders are compiled when QGLShaderProgram::link() + is called. +*/ +bool QGLShader::setSourceCode(const char *source) +{ + if (d->isPartial) { + d->partialSource = QByteArray(source); + d->hasPartialSource = true; + return d->compile(); + } else if (d->shader) { + QVarLengthArray<const char *> src; +#ifdef QGL_DEFINE_QUALIFIERS + src.append(qualifierDefines); +#endif + src.append(source); + glShaderSource(d->shader, src.size(), src.data(), 0); + return d->compile(); + } else { + return false; + } +} + +/*! + \overload + + Sets the \a source code for this shader and compiles it. + Returns true if the source was successfully compiled, false otherwise. + + If shaderType() is PartialVertexShader or PartialFragmentShader, + then this function will always return true, even if the source code + is invalid. Partial shaders are compiled when QGLShaderProgram::link() + is called. +*/ +bool QGLShader::setSourceCode(const QByteArray& source) +{ + return setSourceCode(source.constData()); +} + +/*! + \overload + + Sets the \a source code for this shader and compiles it. + Returns true if the source was successfully compiled, false otherwise. + + If shaderType() is PartialVertexShader or PartialFragmentShader, + then this function will always return true, even if the source code + is invalid. Partial shaders are compiled when QGLShaderProgram::link() + is called. +*/ +bool QGLShader::setSourceCode(const QString& source) +{ + return setSourceCode(source.toLatin1().constData()); +} + +/*! + Sets the source code for this shader to the contents of \a fileName + and compiles it. Returns true if the file could be opened and the + source compiled, false otherwise. + + If shaderType() is PartialVertexShader or PartialFragmentShader, + then this function will always return true, even if the source code + is invalid. Partial shaders are compiled when QGLShaderProgram::link() + is called. +*/ +bool QGLShader::setSourceCodeFile(const QString& fileName) +{ + QFile file(fileName); + if (!file.open(QFile::ReadOnly)) { + qWarning() << "QGLShader: Unable to open file" << fileName; + return false; + } + + QByteArray contents = file.readAll(); + return setSourceCode(contents.constData()); +} + +/*! + Sets the binary code for this shader to the \a length bytes from + the array \a binary. The \a format specifies how the binary data + should be interpreted by the OpenGL engine. Returns true if the + binary was set on the shader; false otherwise. + + This function cannot be used with PartialVertexShader or + PartialFragmentShader. + + \sa shaderBinaryFormats() +*/ +bool QGLShader::setBinaryCode(GLenum format, const void *binary, int length) +{ +#if !defined(QT_OPENGL_ES_2) + if (!glShaderBinary) + return false; +#endif + if (d->isPartial || !d->shader) + return false; + glGetError(); // Clear error state. + glShaderBinary(1, &(d->shader), format, binary, length); + return (glGetError() == GL_NO_ERROR); +} + +/*! + Sets the binary code for this shader to the \a length bytes from + the array \a binary. The \a format specifies how the binary data + should be interpreted by the OpenGL engine. Returns true if the + binary was set on the shader; false otherwise. + + The \a otherShader will also have binary code set on it. This is + for the case where \a binary contains both vertex and fragment + shader code. + + This function cannot be used with PartialVertexShader or + PartialFragmentShader. + + \sa shaderBinaryFormats() +*/ +bool QGLShader::setBinaryCode + (QGLShader& otherShader, GLenum format, const void *binary, int length) +{ +#if !defined(QT_OPENGL_ES_2) + if (!glShaderBinary) + return false; +#endif + if (d->isPartial || !d->shader) + return false; + if (otherShader.d->isPartial || !otherShader.d->shader) + return false; + glGetError(); // Clear error state. + GLuint shaders[2]; + shaders[0] = d->shader; + shaders[1] = otherShader.d->shader; + glShaderBinary(2, shaders, format, binary, length); + return (glGetError() == GL_NO_ERROR); +} + +/*! + Returns a list of all binary formats that are supported by + setBinaryCode() on this system. + + \sa setBinaryCode() +*/ +QList<GLenum> QGLShader::shaderBinaryFormats() +{ + GLint num; + QList<GLenum> list; + glGetError(); // Clear error state. + glGetIntegerv(GL_NUM_SHADER_BINARY_FORMATS, &num); + if (glGetError() != GL_NO_ERROR || num <= 0) + return list; + QVarLengthArray<GLint> formats(num); + glGetIntegerv(GL_SHADER_BINARY_FORMATS, formats.data()); + for (GLint i = 0; i < num; ++i) + list += (GLenum)(formats[i]); + return list; +} + +/*! + Returns the source code for this shader. + + \sa setSourceCode() +*/ +QByteArray QGLShader::sourceCode() const +{ + if (d->isPartial) + return d->partialSource; + if (!d->shader) + return QByteArray(); + GLint size = 0; + glGetShaderiv(d->shader, GL_SHADER_SOURCE_LENGTH, &size); + if (size <= 0) + return QByteArray(); + GLint len = 0; + char *source = new char [size]; + glGetShaderSource(d->shader, size, &len, source); + QByteArray src(source); + delete [] source; + return src; +} + +/*! + Returns true if this shader has been compiled; false otherwise. + + \sa setSourceCode() +*/ +bool QGLShader::isCompiled() const +{ + return d->compiled; +} + +/*! + Returns the errors that occurred during the last compile. + + \sa setSourceCode() +*/ +QString QGLShader::errors() const +{ + return d->errors; +} + +/*! + Returns the OpenGL identifier associated with this shader. + + If shaderType() is PartialVertexShader or PartialFragmentShader, + this function will always return zero. Partial shaders are + created and compiled when QGLShaderProgram::link() is called. + + \sa QGLShaderProgram::programId() +*/ +GLuint QGLShader::shaderId() const +{ + return d->shader; +} + +#undef ctx +#define ctx context + +class QGLShaderProgramPrivate +{ +public: + QGLShaderProgramPrivate(const QGLContext *ctx) + { + context = ctx; + program = 0; + linked = false; + inited = false; + hasPartialShaders = false; + vertexShader = 0; + fragmentShader = 0; + } + ~QGLShaderProgramPrivate() + { + if (program) + glDeleteProgram(program); + } + + const QGLContext *context; + GLuint program; + bool linked; + bool inited; + bool hasPartialShaders; + QString errors; + QList<QGLShader *> shaders; + QList<QGLShader *> anonShaders; + QGLShader *vertexShader; + QGLShader *fragmentShader; +}; + +#undef ctx +#define ctx d->context + +/*! + Constructs a new shader program and attaches it to \a parent. + The program will be invalid until addShader() is called. + + The shader program will be associated with the current QGLContext. + + \sa isValid(), addShader() +*/ +QGLShaderProgram::QGLShaderProgram(QObject *parent) + : QObject(parent) +{ + d = new QGLShaderProgramPrivate(QGLContext::currentContext()); +} + +/*! + Constructs a new shader program and attaches it to \a parent. + The program will be invalid until addShader() is called. + + The shader program will be associated with \a context. + + \sa isValid(), addShader() +*/ +QGLShaderProgram::QGLShaderProgram(const QGLContext *context, QObject *parent) + : QObject(parent) +{ + d = new QGLShaderProgramPrivate(context); +} + +/*! + Deletes this shader program. +*/ +QGLShaderProgram::~QGLShaderProgram() +{ + delete d; +} + +bool QGLShaderProgram::init() +{ + if (d->program || d->inited) + return true; + d->inited = true; + if (!d->context) + d->context = QGLContext::currentContext(); + if (!d->context) + return false; + if (qt_resolve_glsl_extensions(const_cast<QGLContext *>(d->context))) { + d->program = glCreateProgram(); + if (!(d->program)) { + qWarning() << "QGLShaderProgram: could not create shader program"; + return false; + } + return true; + } else { + qWarning() << "QGLShaderProgram: shader programs are not supported"; + return false; + } +} + +/*! + Returns true if this shader program object is valid, false otherwise. +*/ +bool QGLShaderProgram::isValid() const +{ + if (!d->program) + return false; +#if defined(QT_OPENGL_ES_2) + return glIsProgram(d->program); +#else + // glIsProgram() may not exist on some systems. + return (!glIsProgram || glIsProgram(d->program)); +#endif +} + +/*! + Adds a compiled \a shader to this shader program. Returns true + if the shader could be added, or false otherwise. + + Ownership of the \a shader object remains with the caller. + It will not be deleted when this QGLShaderProgram instance + is deleted. This allows the caller to add the same shader + to multiple shader programs. + + \sa removeShader(), link(), removeAllShaders() +*/ +bool QGLShaderProgram::addShader(QGLShader *shader) +{ + if (!init()) + return false; + if (d->shaders.contains(shader)) + return true; // Already added to this shader program. + if (d->program && shader) { + if (!shader->d->compiled) + return false; + if (!shader->d->isPartial) { + if (!shader->d->shader) + return false; + glAttachShader(d->program, shader->d->shader); + } else { + d->hasPartialShaders = true; + } + d->linked = false; // Program needs to be relinked. + d->shaders.append(shader); + return true; + } else { + return false; + } +} + +/*! + Compiles \a source as a shader of the specified \a type and + adds it to this shader program. Returns true if compilation + was successful, false otherwise. The compilation errors + will be made available via errors(). + + This function is intended to be a short-cut for quickly + adding vertex and fragment shaders to a shader program without + creating an instance of QGLShader first. + + \sa removeShader(), link(), errors(), removeAllShaders() +*/ +bool QGLShaderProgram::addShader(QGLShader::ShaderType type, const char *source) +{ + if (!init()) + return false; + QGLShader *shader = new QGLShader(type, this); + if (!shader->setSourceCode(source)) { + d->errors = shader->errors(); + delete shader; + return false; + } + d->anonShaders.append(shader); + return addShader(shader); +} + +/*! + \overload + + Compiles \a source as a shader of the specified \a type and + adds it to this shader program. Returns true if compilation + was successful, false otherwise. The compilation errors + will be made available via errors(). + + This function is intended to be a short-cut for quickly + adding vertex and fragment shaders to a shader program without + creating an instance of QGLShader first. + + \sa removeShader(), link(), errors(), removeAllShaders() +*/ +bool QGLShaderProgram::addShader(QGLShader::ShaderType type, const QByteArray& source) +{ + return addShader(type, source.constData()); +} + +/*! + \overload + + Compiles \a source as a shader of the specified \a type and + adds it to this shader program. Returns true if compilation + was successful, false otherwise. The compilation errors + will be made available via errors(). + + This function is intended to be a short-cut for quickly + adding vertex and fragment shaders to a shader program without + creating an instance of QGLShader first. + + \sa removeShader(), link(), errors(), removeAllShaders() +*/ +bool QGLShaderProgram::addShader(QGLShader::ShaderType type, const QString& source) +{ + return addShader(type, source.toLatin1().constData()); +} + +/*! + Removes \a shader from this shader program. The object is not deleted. + + \sa addShader(), link(), removeAllShaders() +*/ +void QGLShaderProgram::removeShader(QGLShader *shader) +{ + if (d->program && shader && shader->d->shader) { + glDetachShader(d->program, shader->d->shader); + d->linked = false; // Program needs to be relinked. + } + d->shaders.removeAll(shader); + d->anonShaders.removeAll(shader); +} + +/*! + Returns a list of all shaders that have been added to this shader + program using addShader(). + + \sa addShader(), removeShader() +*/ +QList<QGLShader *> QGLShaderProgram::shaders() const +{ + return d->shaders; +} + +/*! + Removes all of the shaders that were added to this program previously. + The QGLShader objects for the shaders will not be deleted if they + were constructed externally. QGLShader objects that are constructed + internally by QGLShaderProgram will be deleted. + + \sa addShader(), removeShader() +*/ +void QGLShaderProgram::removeAllShaders() +{ + foreach (QGLShader *shader, d->shaders) { + if (d->program && shader && shader->d->shader) + glDetachShader(d->program, shader->d->shader); + } + foreach (QGLShader *shader, d->anonShaders) { + // Delete shader objects that were created anonymously. + delete shader; + } + d->shaders.clear(); + d->anonShaders.clear(); + d->linked = false; // Program needs to be relinked. +} + +#if defined(QT_OPENGL_ES_2) + +#ifndef GL_PROGRAM_BINARY_LENGTH_OES +#define GL_PROGRAM_BINARY_LENGTH_OES 0x8741 +#endif +#ifndef GL_NUM_PROGRAM_BINARY_FORMATS_OES +#define GL_NUM_PROGRAM_BINARY_FORMATS_OES 0x87FE +#endif +#ifndef GL_PROGRAM_BINARY_FORMATS_OES +#define GL_PROGRAM_BINARY_FORMATS_OES 0x87FF +#endif + +#endif + +/*! + Returns the program binary associated with this shader program. + The numeric identifier of the program binary format is returned + in \a format. The \c OES_get_program_binary extension will need + to be supported by the system for binary retrieval to succeed. + + Returns an empty QByteArray if the program binary cannot be + retrieved on this system, or the shader program has not yet + been linked. + + The returned binary can be supplied to setProgramBinary() on the + same machine at some future point to reload the program. It contains + the compiled code of all of the shaders that were attached to the + program at the time programBinary() is called. + + \sa setProgramBinary(), programBinaryFormats() +*/ +QByteArray QGLShaderProgram::programBinary(int *format) const +{ +#if defined(QT_OPENGL_ES_2) + if (!isLinked()) + return QByteArray(); + + // Get the length of the binary data, bailing out if there is none. + GLint length = 0; + glGetProgramiv(d->program, GL_PROGRAM_BINARY_LENGTH_OES, &length); + if (length <= 0) + return QByteArray(); + + // Retrieve the binary data. + QByteArray binary(length, 0); + GLenum binaryFormat; + glGetProgramBinaryOES(d->program, length, 0, &binaryFormat, binary.data()); + if (format) + *format = (int)binaryFormat; + return binary; +#else + Q_UNUSED(format); + return QByteArray(); +#endif +} + +/*! + Sets the \a binary for this shader program according to \a format. + Returns true if the binary was set, or false if the binary format + is not supported or this system does not support program binaries. + The program will be linked if the load succeeds. + + \sa programBinary(), programBinaryFormats(), isLinked() +*/ +bool QGLShaderProgram::setProgramBinary(int format, const QByteArray& binary) +{ +#if defined(QT_OPENGL_ES_2) + // Load the binary and check that it was linked correctly. + glProgramBinaryOES(d->program, (GLenum)format, + binary.constData(), binary.size()); + GLint value = 0; + glGetProgramiv(d->program, GL_LINK_STATUS, &value); + d->linked = (value != 0); + value = 0; + glGetProgramiv(d->program, GL_INFO_LOG_LENGTH, &value); + d->errors = QString(); + if (value > 1) { + char *log = new char [value]; + GLint len; + glGetProgramInfoLog(d->program, value, &len, log); + d->errors = QString::fromLatin1(log); + qWarning() << "QGLShaderProgram::setProgramBinary:" << d->errors; + delete [] log; + } + return d->linked; +#else + Q_UNUSED(format); + Q_UNUSED(binary); + return false; +#endif +} + +/*! + Returns the list of program binary formats that are accepted by + this system for use with setProgramBinary(). + + \sa programBinary, setProgramBinary() +*/ +QList<int> QGLShaderProgram::programBinaryFormats() +{ +#if defined(QT_OPENGL_ES_2) + GLint count = 0; + glGetIntegerv(GL_NUM_PROGRAM_BINARY_FORMATS_OES, &count); + if (count <= 0) + return QList<int>(); + QVector<int> list; + list.resize(count); + glGetIntegerv(GL_PROGRAM_BINARY_FORMATS_OES, list.data()); + return list.toList(); +#else + return QList<int>(); +#endif +} + +/*! + Links together the shaders that were added to this program with + addShader(). Returns true if the link was successful or + false otherwise. If the link failed, the error messages can + be retrieved with errors(). + + Subclasses can override this function to initialize attributes + and uniform variables for use in specific shader programs. + + If the shader program was already linked, calling this + function again will force it to be re-linked. + + \sa addShader(), errors() +*/ +bool QGLShaderProgram::link() +{ + if (!d->program) + return false; + if (d->hasPartialShaders) { + // Compile the partial vertex and fragment shaders. + QByteArray vertexSource; + QByteArray fragmentSource; + foreach (QGLShader *shader, d->shaders) { + if (shader->shaderType() == QGLShader::PartialVertexShader) + vertexSource += shader->sourceCode(); + else if (shader->shaderType() == QGLShader::PartialFragmentShader) + fragmentSource += shader->sourceCode(); + } + if (vertexSource.isEmpty()) { + if (d->vertexShader) { + glDetachShader(d->program, d->vertexShader->d->shader); + delete d->vertexShader; + d->vertexShader = 0; + } + } else { + if (!d->vertexShader) { + d->vertexShader = + new QGLShader(QGLShader::VertexShader, this); + } + if (!d->vertexShader->setSourceCode(vertexSource)) { + d->errors = d->vertexShader->errors(); + return false; + } + glAttachShader(d->program, d->vertexShader->d->shader); + } + if (fragmentSource.isEmpty()) { + if (d->fragmentShader) { + glDetachShader(d->program, d->fragmentShader->d->shader); + delete d->fragmentShader; + d->fragmentShader = 0; + } + } else { + if (!d->fragmentShader) { + d->fragmentShader = + new QGLShader(QGLShader::FragmentShader, this); + } + if (!d->fragmentShader->setSourceCode(fragmentSource)) { + d->errors = d->fragmentShader->errors(); + return false; + } + glAttachShader(d->program, d->fragmentShader->d->shader); + } + } + glLinkProgram(d->program); + GLint value = 0; + glGetProgramiv(d->program, GL_LINK_STATUS, &value); + d->linked = (value != 0); + value = 0; + glGetProgramiv(d->program, GL_INFO_LOG_LENGTH, &value); + d->errors = QString(); + if (value > 1) { + char *log = new char [value]; + GLint len; + glGetProgramInfoLog(d->program, value, &len, log); + d->errors = QString::fromLatin1(log); + qWarning() << "QGLShaderProgram::link:" << d->errors; + delete [] log; + } + return d->linked; +} + +/*! + Returns true if this shader program has been linked; false otherwise. + + \sa link() +*/ +bool QGLShaderProgram::isLinked() const +{ + return d->linked; +} + +/*! + Returns the errors that occurred during the last link() + or addShader() with explicitly specified source code. + + \sa link() +*/ +QString QGLShaderProgram::errors() const +{ + return d->errors; +} + +/*! + Enable use of this shader program in the currently active QGLContext. + Returns true if the program was successfully enabled; false + otherwise. If the shader program has not yet been linked, + or it needs to be re-linked, this function will call link(). + + \sa link(), disable() +*/ +bool QGLShaderProgram::enable() +{ + if (!d->program) + return false; + if (!d->linked && !link()) + return false; + glUseProgram(d->program); + return true; +} + +/*! + Disables this shader program in the currently active QGLContext. + This is equivalent to calling \c{glUseProgram(0)}. + + \sa enable() +*/ +void QGLShaderProgram::disable() +{ +#if defined(QT_OPENGL_ES_2) + glUseProgram(0); +#else + if (glUseProgram) + glUseProgram(0); +#endif +} + +/*! + Returns the OpenGL identifier associated with this shader program. + + \sa QGLShader::shaderId() +*/ +GLuint QGLShaderProgram::programId() const +{ + return d->program; +} + +/*! + Binds the attribute \a name to the specified \a location. This + function can be called before or after the program has been linked. + Any attributes that have not been explicitly bound when the program + is linked will be assigned locations automatically. + + \sa attributeLocation() +*/ +void QGLShaderProgram::bindAttributeLocation(const char *name, int location) +{ + glBindAttribLocation(d->program, location, name); +} + +/*! + \overload + + Binds the attribute \a name to the specified \a location. This + function can be called before or after the program has been linked. + Any attributes that have not been explicitly bound when the program + is linked will be assigned locations automatically. + + \sa attributeLocation() +*/ +void QGLShaderProgram::bindAttributeLocation(const QByteArray& name, int location) +{ + glBindAttribLocation(d->program, location, name.constData()); +} + +/*! + \overload + + Binds the attribute \a name to the specified \a location. This + function can be called before or after the program has been linked. + Any attributes that have not been explicitly bound when the program + is linked will be assigned locations automatically. + + \sa attributeLocation() +*/ +void QGLShaderProgram::bindAttributeLocation(const QString& name, int location) +{ + glBindAttribLocation(d->program, location, name.toLatin1().constData()); +} + +/*! + Returns the location of the attribute \a name within this shader + program's parameter list. Returns -1 if \a name is not a valid + attribute for this shader program. + + \sa uniformLocation(), bindAttributeLocation() +*/ +int QGLShaderProgram::attributeLocation(const char *name) const +{ + if (d->linked) { + return glGetAttribLocation(d->program, name); + } else { + qWarning() << "QGLShaderProgram::attributeLocation(" << name + << "): shader program is not linked"; + return -1; + } +} + +/*! + \overload + + Returns the location of the attribute \a name within this shader + program's parameter list. Returns -1 if \a name is not a valid + attribute for this shader program. + + \sa uniformLocation(), bindAttributeLocation() +*/ +int QGLShaderProgram::attributeLocation(const QByteArray& name) const +{ + return attributeLocation(name.constData()); +} + +/*! + \overload + + Returns the location of the attribute \a name within this shader + program's parameter list. Returns -1 if \a name is not a valid + attribute for this shader program. + + \sa uniformLocation(), bindAttributeLocation() +*/ +int QGLShaderProgram::attributeLocation(const QString& name) const +{ + return attributeLocation(name.toLatin1().constData()); +} + +/*! + Sets the attribute at \a location in the current context to \a value. + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue(int location, GLfloat value) +{ + if (location != -1) + glVertexAttrib1fv(location, &value); +} + +/*! + \overload + + Sets the attribute called \a name in the current context to \a value. + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue(const char *name, GLfloat value) +{ + setAttributeValue(attributeLocation(name), value); +} + +/*! + Sets the attribute at \a location in the current context to + the 2D vector (\a x, \a y). + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue(int location, GLfloat x, GLfloat y) +{ + if (location != -1) { + GLfloat values[2] = {x, y}; + glVertexAttrib2fv(location, values); + } +} + +/*! + \overload + + Sets the attribute called \a name in the current context to + the 2D vector (\a x, \a y). + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue(const char *name, GLfloat x, GLfloat y) +{ + setAttributeValue(attributeLocation(name), x, y); +} + +/*! + Sets the attribute at \a location in the current context to + the 3D vector (\a x, \a y, \a z). + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue + (int location, GLfloat x, GLfloat y, GLfloat z) +{ + if (location != -1) { + GLfloat values[3] = {x, y, z}; + glVertexAttrib3fv(location, values); + } +} + +/*! + \overload + + Sets the attribute called \a name in the current context to + the 3D vector (\a x, \a y, \a z). + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue + (const char *name, GLfloat x, GLfloat y, GLfloat z) +{ + setAttributeValue(attributeLocation(name), x, y, z); +} + +/*! + Sets the attribute at \a location in the current context to + the 4D vector (\a x, \a y, \a z, \a w). + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue + (int location, GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + if (location != -1) { + GLfloat values[4] = {x, y, z, w}; + glVertexAttrib4fv(location, values); + } +} + +/*! + \overload + + Sets the attribute called \a name in the current context to + the 4D vector (\a x, \a y, \a z, \a w). + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue + (const char *name, GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + setAttributeValue(attributeLocation(name), x, y, z, w); +} + +/*! + Sets the attribute at \a location in the current context to \a value. + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue(int location, const QVector2D& value) +{ + if (location != -1) + glVertexAttrib2fv(location, reinterpret_cast<const GLfloat *>(&value)); +} + +/*! + \overload + + Sets the attribute called \a name in the current context to \a value. + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue(const char *name, const QVector2D& value) +{ + setAttributeValue(attributeLocation(name), value); +} + +/*! + Sets the attribute at \a location in the current context to \a value. + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue(int location, const QVector3D& value) +{ + if (location != -1) + glVertexAttrib3fv(location, reinterpret_cast<const GLfloat *>(&value)); +} + +/*! + \overload + + Sets the attribute called \a name in the current context to \a value. + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue(const char *name, const QVector3D& value) +{ + setAttributeValue(attributeLocation(name), value); +} + +/*! + Sets the attribute at \a location in the current context to \a value. + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue(int location, const QVector4D& value) +{ + if (location != -1) + glVertexAttrib4fv(location, reinterpret_cast<const GLfloat *>(&value)); +} + +/*! + \overload + + Sets the attribute called \a name in the current context to \a value. + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue(const char *name, const QVector4D& value) +{ + setAttributeValue(attributeLocation(name), value); +} + +/*! + Sets the attribute at \a location in the current context to \a value. + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue(int location, const QColor& value) +{ + if (location != -1) { + GLfloat values[4] = {value.redF(), value.greenF(), value.blueF(), value.alphaF()}; + glVertexAttrib4fv(location, values); + } +} + +/*! + \overload + + Sets the attribute called \a name in the current context to \a value. + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue(const char *name, const QColor& value) +{ + setAttributeValue(attributeLocation(name), value); +} + +/*! + Sets the attribute at \a location in the current context to the + contents of \a values, which contains \a columns elements, each + consisting of \a rows elements. The \a rows value should be + 1, 2, 3, or 4. This function is typically used to set matrix + values and column vectors. + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue + (int location, const GLfloat *values, int columns, int rows) +{ + if (rows < 1 || rows > 4) { + qWarning() << "QGLShaderProgram::setAttributeValue: rows" << rows << "not supported"; + return; + } + if (location != -1) { + while (columns-- > 0) { + if (rows == 1) + glVertexAttrib1fv(location, values); + else if (rows == 2) + glVertexAttrib2fv(location, values); + else if (rows == 3) + glVertexAttrib3fv(location, values); + else + glVertexAttrib4fv(location, values); + values += rows; + ++location; + } + } +} + +/*! + \overload + + Sets the attribute called \a name in the current context to the + contents of \a values, which contains \a columns elements, each + consisting of \a rows elements. The \a rows value should be + 1, 2, 3, or 4. This function is typically used to set matrix + values and column vectors. + + \sa setUniformValue() +*/ +void QGLShaderProgram::setAttributeValue + (const char *name, const GLfloat *values, int columns, int rows) +{ + setAttributeValue(attributeLocation(name), values, columns, rows); +} + +/*! + Sets an array of vertex \a values on the attribute at \a location + in this shader program. The \a size indicates the number of + components per vertex (1, 2, 3, or 4), and the \a stride indicates + the number of bytes between vertices. A default \a stride value + of zero indicates that the vertices are densely packed in \a values. + + \sa setAttributeValue(), setUniformValue(), disableAttributeArray() +*/ +void QGLShaderProgram::setAttributeArray + (int location, const GLfloat *values, int size, int stride) +{ + if (location != -1) { + glVertexAttribPointer(location, size, GL_FLOAT, GL_FALSE, + stride, values); + glEnableVertexAttribArray(location); + } +} + +/*! + Sets an array of 2D vertex \a values on the attribute at \a location + in this shader program. The \a stride indicates the number of bytes + between vertices. A default \a stride value of zero indicates that + the vertices are densely packed in \a values. + + \sa setAttributeValue(), setUniformValue(), disableAttributeArray() +*/ +void QGLShaderProgram::setAttributeArray + (int location, const QVector2D *values, int stride) +{ + if (location != -1) { + glVertexAttribPointer(location, 2, GL_FLOAT, GL_FALSE, + stride, values); + glEnableVertexAttribArray(location); + } +} + +/*! + Sets an array of 3D vertex \a values on the attribute at \a location + in this shader program. The \a stride indicates the number of bytes + between vertices. A default \a stride value of zero indicates that + the vertices are densely packed in \a values. + + \sa setAttributeValue(), setUniformValue(), disableAttributeArray() +*/ +void QGLShaderProgram::setAttributeArray + (int location, const QVector3D *values, int stride) +{ + if (location != -1) { + glVertexAttribPointer(location, 3, GL_FLOAT, GL_FALSE, + stride, values); + glEnableVertexAttribArray(location); + } +} + +/*! + Sets an array of 4D vertex \a values on the attribute at \a location + in this shader program. The \a stride indicates the number of bytes + between vertices. A default \a stride value of zero indicates that + the vertices are densely packed in \a values. + + \sa setAttributeValue(), setUniformValue(), disableAttributeArray() +*/ +void QGLShaderProgram::setAttributeArray + (int location, const QVector4D *values, int stride) +{ + if (location != -1) { + glVertexAttribPointer(location, 4, GL_FLOAT, GL_FALSE, + stride, values); + glEnableVertexAttribArray(location); + } +} + +/*! + \overload + + Sets an array of vertex \a values on the attribute called \a name + in this shader program. The \a size indicates the number of + components per vertex (1, 2, 3, or 4), and the \a stride indicates + the number of bytes between vertices. A default \a stride value + of zero indicates that the vertices are densely packed in \a values. + + \sa setAttributeValue(), setUniformValue(), disableAttributeArray() +*/ +void QGLShaderProgram::setAttributeArray + (const char *name, const GLfloat *values, int size, int stride) +{ + setAttributeArray(attributeLocation(name), values, size, stride); +} + +/*! + \overload + + Sets an array of 2D vertex \a values on the attribute called \a name + in this shader program. The \a stride indicates the number of bytes + between vertices. A default \a stride value of zero indicates that + the vertices are densely packed in \a values. + + \sa setAttributeValue(), setUniformValue(), disableAttributeArray() +*/ +void QGLShaderProgram::setAttributeArray + (const char *name, const QVector2D *values, int stride) +{ + setAttributeArray(attributeLocation(name), values, stride); +} + +/*! + \overload + + Sets an array of 3D vertex \a values on the attribute called \a name + in this shader program. The \a stride indicates the number of bytes + between vertices. A default \a stride value of zero indicates that + the vertices are densely packed in \a values. + + \sa setAttributeValue(), setUniformValue(), disableAttributeArray() +*/ +void QGLShaderProgram::setAttributeArray + (const char *name, const QVector3D *values, int stride) +{ + setAttributeArray(attributeLocation(name), values, stride); +} + +/*! + \overload + + Sets an array of 4D vertex \a values on the attribute called \a name + in this shader program. The \a stride indicates the number of bytes + between vertices. A default \a stride value of zero indicates that + the vertices are densely packed in \a values. + + \sa setAttributeValue(), setUniformValue(), disableAttributeArray() +*/ +void QGLShaderProgram::setAttributeArray + (const char *name, const QVector4D *values, int stride) +{ + setAttributeArray(attributeLocation(name), values, stride); +} + +/*! + Disables the vertex array at \a location in this shader program + that was enabled by a previous call to setAttributeArray(). + + \sa setAttributeArray(), setAttributeValue(), setUniformValue() +*/ +void QGLShaderProgram::disableAttributeArray(int location) +{ + if (location != -1) + glDisableVertexAttribArray(location); +} + +/*! + \overload + + Disables the vertex array called \a name in this shader program + that was enabled by a previous call to setAttributeArray(). + + \sa setAttributeArray(), setAttributeValue(), setUniformValue() +*/ +void QGLShaderProgram::disableAttributeArray(const char *name) +{ + disableAttributeArray(attributeLocation(name)); +} + +/*! + Returns the location of the uniform variable \a name within this shader + program's parameter list. Returns -1 if \a name is not a valid + uniform variable for this shader program. + + \sa attributeLocation() +*/ +int QGLShaderProgram::uniformLocation(const char *name) const +{ + if (d->linked) { + return glGetUniformLocation(d->program, name); + } else { + qWarning() << "QGLShaderProgram::uniformLocation(" << name + << "): shader program is not linked"; + return -1; + } +} + +/*! + \overload + + Returns the location of the uniform variable \a name within this shader + program's parameter list. Returns -1 if \a name is not a valid + uniform variable for this shader program. + + \sa attributeLocation() +*/ +int QGLShaderProgram::uniformLocation(const QByteArray& name) const +{ + return uniformLocation(name.constData()); +} + +/*! + \overload + + Returns the location of the uniform variable \a name within this shader + program's parameter list. Returns -1 if \a name is not a valid + uniform variable for this shader program. + + \sa attributeLocation() +*/ +int QGLShaderProgram::uniformLocation(const QString& name) const +{ + return uniformLocation(name.toLatin1().constData()); +} + +/*! + Sets the uniform variable at \a location in the current context to \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, GLfloat value) +{ + if (location != -1) + glUniform1fv(location, 1, &value); +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context + to \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, GLfloat value) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + Sets the uniform variable at \a location in the current context to \a value. + This function must be used when setting sampler values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, GLint value) +{ + if (location != -1) + glUniform1i(location, value); +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context + to \a value. This function must be used when setting sampler values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, GLint value) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + Sets the uniform variable at \a location in the current context to \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, GLuint value) +{ + if (location != -1) + glUniform1i(location, value); +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context + to \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, GLuint value) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + Sets the uniform variable at \a location in the current context to + the 2D vector (\a x, \a y). + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, GLfloat x, GLfloat y) +{ + if (location != -1) { + GLfloat values[2] = {x, y}; + glUniform2fv(location, 1, values); + } +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context to + the 2D vector (\a x, \a y). + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, GLfloat x, GLfloat y) +{ + setUniformValue(uniformLocation(name), x, y); +} + +/*! + Sets the uniform variable at \a location in the current context to + the 3D vector (\a x, \a y, \a z). + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue + (int location, GLfloat x, GLfloat y, GLfloat z) +{ + if (location != -1) { + GLfloat values[3] = {x, y, z}; + glUniform3fv(location, 1, values); + } +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context to + the 3D vector (\a x, \a y, \a z). + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue + (const char *name, GLfloat x, GLfloat y, GLfloat z) +{ + setUniformValue(uniformLocation(name), x, y, z); +} + +/*! + Sets the uniform variable at \a location in the current context to + the 4D vector (\a x, \a y, \a z, \a w). + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue + (int location, GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + if (location != -1) { + GLfloat values[4] = {x, y, z, w}; + glUniform4fv(location, 1, values); + } +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context to + the 4D vector (\a x, \a y, \a z, \a w). + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue + (const char *name, GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + setUniformValue(uniformLocation(name), x, y, z, w); +} + +/*! + Sets the uniform variable at \a location in the current context to \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QVector2D& value) +{ + if (location != -1) + glUniform2fv(location, 1, reinterpret_cast<const GLfloat *>(&value)); +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context + to \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QVector2D& value) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + Sets the uniform variable at \a location in the current context to \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QVector3D& value) +{ + if (location != -1) + glUniform3fv(location, 1, reinterpret_cast<const GLfloat *>(&value)); +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context + to \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QVector3D& value) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + Sets the uniform variable at \a location in the current context to \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QVector4D& value) +{ + if (location != -1) + glUniform4fv(location, 1, reinterpret_cast<const GLfloat *>(&value)); +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context + to \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QVector4D& value) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + Sets the uniform variable at \a location in the current context to + the red, green, blue, and alpha components of \a color. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QColor& color) +{ + if (location != -1) { + GLfloat values[4] = {color.redF(), color.greenF(), color.blueF(), color.alphaF()}; + glUniform4fv(location, 1, values); + } +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context to + the red, green, blue, and alpha components of \a color. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QColor& color) +{ + setUniformValue(uniformLocation(name), color); +} + +/*! + Sets the uniform variable at \a location in the current context to + the x() & y() coordinates of \a point. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QPoint& point) +{ + if (location != -1) { + GLfloat values[4] = {point.x(), point.y()}; + glUniform2fv(location, 1, values); + } +} + +/*! + \overload + + Sets the uniform variable at \a location in the current context to + the x() & y() coordinates of \a point. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QPoint& point) +{ + setUniformValue(uniformLocation(name), point); +} + +/*! + Sets the uniform variable at \a location in the current context to + the x() & y() coordinates of \a point. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QPointF& point) +{ + if (location != -1) { + GLfloat values[4] = {point.x(), point.y()}; + glUniform2fv(location, 1, values); + } +} + +/*! + \overload + + Sets the uniform variable at \a location in the current context to + the x() & y() coordinates of \a point. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QPointF& point) +{ + setUniformValue(uniformLocation(name), point); +} + +/*! + Sets the uniform variable at \a location in the current context to + the width() & height() of the given \a size. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QSize& size) +{ + if (location != -1) { + GLfloat values[4] = {size.width(), size.width()}; + glUniform2fv(location, 1, values); + } +} + +/*! + \overload + + Sets the uniform variable at \a location in the current context to + the width() & height() of the given \a size. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QSize& size) +{ + setUniformValue(uniformLocation(name), size); +} + +/*! + Sets the uniform variable at \a location in the current context to + the width() & height() of the given \a size. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QSizeF& size) +{ + if (location != -1) { + GLfloat values[4] = {size.width(), size.height()}; + glUniform2fv(location, 1, values); + } +} + +/*! + \overload + + Sets the uniform variable at \a location in the current context to + the width() & height() of the given \a size. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QSizeF& size) +{ + setUniformValue(uniformLocation(name), size); +} + +/*! + Sets the uniform variable at \a location in the current context + to a 2x2 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QMatrix2x2& value) +{ + if (location != -1) + glUniformMatrix2fv(location, 1, GL_FALSE, value.data()); +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context + to a 2x2 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QMatrix2x2& value) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + Sets the uniform variable at \a location in the current context + to a 2x3 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QMatrix2x3& value) +{ +#if !defined(QT_OPENGL_ES_2) + if (location != -1) { + if (glUniformMatrix2x3fv) { + // OpenGL 2.1+: pass the matrix directly. + glUniformMatrix2x3fv(location, 1, GL_FALSE, value.data()); + } else { + // OpenGL 2.0: pass the matrix columns as a vector. + glUniform3fv(location, 2, value.data()); + } + } +#else + if (location != -1) + glUniform3fv(location, 2, value.data()); +#endif +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context + to a 2x3 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QMatrix2x3& value) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + Sets the uniform variable at \a location in the current context + to a 2x4 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QMatrix2x4& value) +{ +#if !defined(QT_OPENGL_ES_2) + if (location != -1) { + if (glUniformMatrix2x4fv) { + // OpenGL 2.1+: pass the matrix directly. + glUniformMatrix2x4fv(location, 1, GL_FALSE, value.data()); + } else { + // OpenGL 2.0: pass the matrix columns as a vector. + glUniform4fv(location, 2, value.data()); + } + } +#else + if (location != -1) + glUniform4fv(location, 2, value.data()); +#endif +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context + to a 2x4 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QMatrix2x4& value) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + Sets the uniform variable at \a location in the current context + to a 3x2 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QMatrix3x2& value) +{ +#if !defined(QT_OPENGL_ES_2) + if (location != -1) { + if (glUniformMatrix3x2fv) { + // OpenGL 2.1+: pass the matrix directly. + glUniformMatrix3x2fv(location, 1, GL_FALSE, value.data()); + } else { + // OpenGL 2.0: pass the matrix columns as a vector. + glUniform2fv(location, 3, value.data()); + } + } +#else + if (location != -1) + glUniform2fv(location, 3, value.data()); +#endif +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context + to a 3x2 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QMatrix3x2& value) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + Sets the uniform variable at \a location in the current context + to a 3x3 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QMatrix3x3& value) +{ + if (location != -1) + glUniformMatrix3fv(location, 1, GL_FALSE, value.data()); +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context + to a 3x3 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QMatrix3x3& value) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + Sets the uniform variable at \a location in the current context + to a 3x4 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QMatrix3x4& value) +{ +#if !defined(QT_OPENGL_ES_2) + if (location != -1) { + if (glUniformMatrix3x4fv) { + // OpenGL 2.1+: pass the matrix directly. + glUniformMatrix3x4fv(location, 1, GL_FALSE, value.data()); + } else { + // OpenGL 2.0: pass the matrix columns as a vector. + glUniform4fv(location, 3, value.data()); + } + } +#else + if (location != -1) + glUniform4fv(location, 3, value.data()); +#endif +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context + to a 3x4 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QMatrix3x4& value) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + Sets the uniform variable at \a location in the current context + to a 4x2 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QMatrix4x2& value) +{ +#if !defined(QT_OPENGL_ES_2) + if (location != -1) { + if (glUniformMatrix4x2fv) { + // OpenGL 2.1+: pass the matrix directly. + glUniformMatrix4x2fv(location, 1, GL_FALSE, value.data()); + } else { + // OpenGL 2.0: pass the matrix columns as a vector. + glUniform2fv(location, 4, value.data()); + } + } +#else + if (location != -1) + glUniform2fv(location, 4, value.data()); +#endif +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context + to a 4x2 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QMatrix4x2& value) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + Sets the uniform variable at \a location in the current context + to a 4x3 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QMatrix4x3& value) +{ +#if !defined(QT_OPENGL_ES_2) + if (location != -1) { + if (glUniformMatrix4x3fv) { + // OpenGL 2.1+: pass the matrix directly. + glUniformMatrix4x3fv(location, 1, GL_FALSE, value.data()); + } else { + // OpenGL 2.0: pass the matrix columns as a vector. + glUniform3fv(location, 4, value.data()); + } + } +#else + if (location != -1) + glUniform3fv(location, 4, value.data()); +#endif +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context + to a 4x3 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QMatrix4x3& value) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + Sets the uniform variable at \a location in the current context + to a 4x4 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const QMatrix4x4& value) +{ + if (location != -1) + glUniformMatrix4fv(location, 1, GL_FALSE, value.data()); +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context + to a 4x4 matrix \a value. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const QMatrix4x4& value) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + \overload + + Sets the uniform variable at \a location in the current context + to a 4x4 matrix \a value. The matrix elements must be specified + in column-major order. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(int location, const GLfloat value[4][4]) +{ + if (location != -1) + glUniformMatrix4fv(location, 1, GL_FALSE, value[0]); +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context + to a 4x4 matrix \a value. The matrix elements must be specified + in column-major order. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValue(const char *name, const GLfloat value[4][4]) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + Sets the uniform variable at \a location in the current context to a + 3x3 transformation matrix \a value that is specified as a QTransform value. + + To set a QTransform value as a 4x4 matrix in a shader, use + \c{setUniformValue(location, QMatrix4x4(value))}. +*/ +void QGLShaderProgram::setUniformValue(int location, const QTransform& value) +{ + if (location != -1) { + GLfloat mat[3][3] = { + {value.m11(), value.m12(), value.m13()}, + {value.m21(), value.m22(), value.m23()}, + {value.m31(), value.m32(), value.m33()} + }; + glUniformMatrix3fv(location, 1, GL_FALSE, mat[0]); + } +} + +/*! + \overload + + Sets the uniform variable called \a name in the current context to a + 3x3 transformation matrix \a value that is specified as a QTransform value. + + To set a QTransform value as a 4x4 matrix in a shader, use + \c{setUniformValue(name, QMatrix4x4(value))}. +*/ +void QGLShaderProgram::setUniformValue + (const char *name, const QTransform& value) +{ + setUniformValue(uniformLocation(name), value); +} + +/*! + Sets the uniform variable array at \a location in the current + context to the \a count elements of \a values. This overload + must be used when setting an array of sampler values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(int location, const GLint *values, int count) +{ + if (location != -1) + glUniform1iv(location, count, values); +} + +/*! + \overload + + Sets the uniform variable array called \a name in the current + context to the \a count elements of \a values. This overload + must be used when setting an array of sampler values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray + (const char *name, const GLint *values, int count) +{ + setUniformValueArray(uniformLocation(name), values, count); +} + +/*! + Sets the uniform variable array at \a location in the current + context to the \a count elements of \a values. Each element + has \a size components. The \a size must be 1, 2, 3, or 4. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(int location, const GLfloat *values, int count, int size) +{ + if (location != -1) { + if (size == 1) + glUniform1fv(location, count, values); + else if (size == 2) + glUniform2fv(location, count, values); + else if (size == 3) + glUniform3fv(location, count, values); + else if (size == 4) + glUniform4fv(location, count, values); + else + qWarning() << "QGLShaderProgram::setUniformValue: size" << size << "not supported"; + } +} + +/*! + \overload + + Sets the uniform variable array called \a name in the current + context to the \a count elements of \a values. Each element + has \a size components. The \a size must be 1, 2, 3, or 4. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray + (const char *name, const GLfloat *values, int count, int size) +{ + setUniformValueArray(uniformLocation(name), values, count, size); +} + +/*! + Sets the uniform variable array at \a location in the current + context to the \a count 2D vector elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(int location, const QVector2D *values, int count) +{ + if (location != -1) + glUniform2fv(location, count, reinterpret_cast<const GLfloat *>(values)); +} + +/*! + \overload + + Sets the uniform variable array called \a name in the current + context to the \a count 2D vector elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(const char *name, const QVector2D *values, int count) +{ + setUniformValueArray(uniformLocation(name), values, count); +} + +/*! + Sets the uniform variable array at \a location in the current + context to the \a count 3D vector elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(int location, const QVector3D *values, int count) +{ + if (location != -1) + glUniform3fv(location, count, reinterpret_cast<const GLfloat *>(values)); +} + +/*! + \overload + + Sets the uniform variable array called \a name in the current + context to the \a count 3D vector elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(const char *name, const QVector3D *values, int count) +{ + setUniformValueArray(uniformLocation(name), values, count); +} + +/*! + Sets the uniform variable array at \a location in the current + context to the \a count 4D vector elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(int location, const QVector4D *values, int count) +{ + if (location != -1) + glUniform4fv(location, count, reinterpret_cast<const GLfloat *>(values)); +} + +/*! + \overload + + Sets the uniform variable array called \a name in the current + context to the \a count 4D vector elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(const char *name, const QVector4D *values, int count) +{ + setUniformValueArray(uniformLocation(name), values, count); +} + +// We may have to repack matrix arrays if the matrix types +// contain additional flag bits. Especially QMatrix4x4. +#define setUniformMatrixArray(func,location,values,count,type,cols,rows) \ + if (location == -1 || count <= 0) \ + return; \ + if (count == 1 || sizeof(type) == cols * rows * sizeof(GLfloat)) { \ + func(location, count, GL_FALSE, values->constData()); \ + } else { \ + QVarLengthArray<GLfloat> temp(cols * rows * count); \ + for (int index = 0; index < count; ++index) { \ + qMemCopy(temp.data() + cols * rows * index, \ + values[index].constData(), cols * rows * sizeof(GLfloat)); \ + } \ + func(location, count, GL_FALSE, temp.constData()); \ + } +#if !defined(QT_OPENGL_ES_2) +#define setUniformGenericMatrixArray(func,colfunc,location,values,count,type,cols,rows) \ + if (location == -1 || count <= 0) \ + return; \ + if (count == 1 || sizeof(type) == cols * rows * sizeof(GLfloat)) { \ + if (func) \ + func(location, count, GL_FALSE, values->constData()); \ + else \ + colfunc(location, cols * count, values->constData()); \ + } else { \ + QVarLengthArray<GLfloat> temp(cols * rows * count); \ + for (int index = 0; index < count; ++index) { \ + qMemCopy(temp.data() + cols * rows * index, \ + values[index].constData(), cols * rows * sizeof(GLfloat)); \ + } \ + if (func) \ + func(location, count, GL_FALSE, temp.constData()); \ + else \ + colfunc(location, count * cols, temp.constData()); \ + } +#else +#define setUniformGenericMatrixArray(func,colfunc,location,values,count,type,cols,rows) \ + if (location == -1 || count <= 0) \ + return; \ + if (count == 1 || sizeof(type) == cols * rows * sizeof(GLfloat)) { \ + colfunc(location, cols * count, values->constData()); \ + } else { \ + QVarLengthArray<GLfloat> temp(cols * rows * count); \ + for (int index = 0; index < count; ++index) { \ + qMemCopy(temp.data() + cols * rows * index, \ + values[index].constData(), cols * rows * sizeof(GLfloat)); \ + } \ + colfunc(location, count * cols, temp.constData()); \ + } +#endif + +/*! + Sets the uniform variable array at \a location in the current + context to the \a count 2x2 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(int location, const QMatrix2x2 *values, int count) +{ + setUniformMatrixArray + (glUniformMatrix2fv, location, values, count, QMatrix2x2, 2, 2); +} + +/*! + \overload + + Sets the uniform variable array called \a name in the current + context to the \a count 2x2 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(const char *name, const QMatrix2x2 *values, int count) +{ + setUniformValueArray(uniformLocation(name), values, count); +} + +/*! + Sets the uniform variable array at \a location in the current + context to the \a count 2x3 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(int location, const QMatrix2x3 *values, int count) +{ + setUniformGenericMatrixArray + (glUniformMatrix2x3fv, glUniform3fv, location, values, count, + QMatrix2x3, 2, 3); +} + +/*! + \overload + + Sets the uniform variable array called \a name in the current + context to the \a count 2x3 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(const char *name, const QMatrix2x3 *values, int count) +{ + setUniformValueArray(uniformLocation(name), values, count); +} + +/*! + Sets the uniform variable array at \a location in the current + context to the \a count 2x4 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(int location, const QMatrix2x4 *values, int count) +{ + setUniformGenericMatrixArray + (glUniformMatrix2x4fv, glUniform4fv, location, values, count, + QMatrix2x4, 2, 4); +} + +/*! + \overload + + Sets the uniform variable array called \a name in the current + context to the \a count 2x4 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(const char *name, const QMatrix2x4 *values, int count) +{ + setUniformValueArray(uniformLocation(name), values, count); +} + +/*! + Sets the uniform variable array at \a location in the current + context to the \a count 3x2 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(int location, const QMatrix3x2 *values, int count) +{ + setUniformGenericMatrixArray + (glUniformMatrix3x2fv, glUniform2fv, location, values, count, + QMatrix3x2, 3, 2); +} + +/*! + \overload + + Sets the uniform variable array called \a name in the current + context to the \a count 3x2 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(const char *name, const QMatrix3x2 *values, int count) +{ + setUniformValueArray(uniformLocation(name), values, count); +} + +/*! + Sets the uniform variable array at \a location in the current + context to the \a count 3x3 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(int location, const QMatrix3x3 *values, int count) +{ + setUniformMatrixArray + (glUniformMatrix3fv, location, values, count, QMatrix3x3, 3, 3); +} + +/*! + \overload + + Sets the uniform variable array called \a name in the current + context to the \a count 3x3 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(const char *name, const QMatrix3x3 *values, int count) +{ + setUniformValueArray(uniformLocation(name), values, count); +} + +/*! + Sets the uniform variable array at \a location in the current + context to the \a count 3x4 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(int location, const QMatrix3x4 *values, int count) +{ + setUniformGenericMatrixArray + (glUniformMatrix3x4fv, glUniform4fv, location, values, count, + QMatrix3x4, 3, 4); +} + +/*! + \overload + + Sets the uniform variable array called \a name in the current + context to the \a count 3x4 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(const char *name, const QMatrix3x4 *values, int count) +{ + setUniformValueArray(uniformLocation(name), values, count); +} + +/*! + Sets the uniform variable array at \a location in the current + context to the \a count 4x2 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(int location, const QMatrix4x2 *values, int count) +{ + setUniformGenericMatrixArray + (glUniformMatrix4x2fv, glUniform2fv, location, values, count, + QMatrix4x2, 4, 2); +} + +/*! + \overload + + Sets the uniform variable array called \a name in the current + context to the \a count 4x2 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(const char *name, const QMatrix4x2 *values, int count) +{ + setUniformValueArray(uniformLocation(name), values, count); +} + +/*! + Sets the uniform variable array at \a location in the current + context to the \a count 4x3 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(int location, const QMatrix4x3 *values, int count) +{ + setUniformGenericMatrixArray + (glUniformMatrix4x3fv, glUniform3fv, location, values, count, + QMatrix4x3, 4, 3); +} + +/*! + \overload + + Sets the uniform variable array called \a name in the current + context to the \a count 4x3 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(const char *name, const QMatrix4x3 *values, int count) +{ + setUniformValueArray(uniformLocation(name), values, count); +} + +/*! + Sets the uniform variable array at \a location in the current + context to the \a count 4x4 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(int location, const QMatrix4x4 *values, int count) +{ + setUniformMatrixArray + (glUniformMatrix4fv, location, values, count, QMatrix4x4, 4, 4); +} + +/*! + \overload + + Sets the uniform variable array called \a name in the current + context to the \a count 4x4 matrix elements of \a values. + + \sa setAttributeValue() +*/ +void QGLShaderProgram::setUniformValueArray(const char *name, const QMatrix4x4 *values, int count) +{ + setUniformValueArray(uniformLocation(name), values, count); +} + +/*! + Returns true if shader programs written in the OpenGL Shading + Language (GLSL) are supported on this system; false otherwise. + + The \a context is used to resolve the GLSL extensions. + If \a context is null, then QGLContext::currentContext() is used. +*/ +bool QGLShaderProgram::hasShaderPrograms(const QGLContext *context) +{ +#if !defined(QT_OPENGL_ES_2) + if (!context) + context = QGLContext::currentContext(); + if (!context) + return false; + return qt_resolve_glsl_extensions(const_cast<QGLContext *>(context)); +#else + Q_UNUSED(context); + return true; +#endif +} + +#endif + +QT_END_NAMESPACE diff --git a/src/opengl/qglshaderprogram.h b/src/opengl/qglshaderprogram.h new file mode 100644 index 0000000..508fd96 --- /dev/null +++ b/src/opengl/qglshaderprogram.h @@ -0,0 +1,295 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtOpenGL module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QGLSHADERPROGRAM_H +#define QGLSHADERPROGRAM_H + +#include <QtOpenGL/qgl.h> +#include <QtGui/qvector2d.h> +#include <QtGui/qvector3d.h> +#include <QtGui/qvector4d.h> +#include <QtGui/qmatrix4x4.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(OpenGL) + +#if !defined(QT_OPENGL_ES_1_CL) && !defined(QT_GL_FIXED_PREFERRED) + +class QGLShaderProgram; +class QGLShaderPrivate; + +class Q_OPENGL_EXPORT QGLShader : public QObject +{ + Q_OBJECT +public: + enum ShaderType + { + VertexShader, + FragmentShader, + PartialVertexShader, + PartialFragmentShader + }; + + explicit QGLShader(QGLShader::ShaderType type, QObject *parent = 0); + explicit QGLShader(const QString& fileName, QObject *parent = 0); + QGLShader(const QString& fileName, QGLShader::ShaderType type, QObject *parent = 0); + QGLShader(QGLShader::ShaderType type, const QGLContext *context, QObject *parent = 0); + QGLShader(const QString& fileName, const QGLContext *context, QObject *parent = 0); + QGLShader(const QString& fileName, QGLShader::ShaderType type, const QGLContext *context, QObject *parent = 0); + virtual ~QGLShader(); + + bool isValid() const; + + QGLShader::ShaderType shaderType() const; + + bool setSourceCode(const char *source); + bool setSourceCode(const QByteArray& source); + bool setSourceCode(const QString& source); + bool setSourceCodeFile(const QString& fileName); + + bool setBinaryCode(GLenum format, const void *binary, int length); + bool setBinaryCode(QGLShader& otherShader, GLenum format, const void *binary, int length); + + static QList<GLenum> shaderBinaryFormats(); + + QByteArray sourceCode() const; + + bool isCompiled() const; + QString errors() const; + + GLuint shaderId() const; + +private: + QGLShaderPrivate *d; + + friend class QGLShaderProgram; + + Q_DISABLE_COPY(QGLShader); +}; + +class QGLShaderProgramPrivate; + +class Q_OPENGL_EXPORT QGLShaderProgram : public QObject +{ + Q_OBJECT +public: + explicit QGLShaderProgram(QObject *parent = 0); + explicit QGLShaderProgram(const QGLContext *context, QObject *parent = 0); + virtual ~QGLShaderProgram(); + + bool isValid() const; + + bool addShader(QGLShader *shader); + void removeShader(QGLShader *shader); + QList<QGLShader *> shaders() const; + + bool addShader(QGLShader::ShaderType type, const char *source); + bool addShader(QGLShader::ShaderType type, const QByteArray& source); + bool addShader(QGLShader::ShaderType type, const QString& source); + + void removeAllShaders(); + + QByteArray programBinary(int *format) const; + bool setProgramBinary(int format, const QByteArray& binary); + static QList<int> programBinaryFormats(); + + virtual bool link(); + bool isLinked() const; + QString errors() const; + + bool enable(); + void disable(); + + GLuint programId() const; + + void bindAttributeLocation(const char *name, int location); + void bindAttributeLocation(const QByteArray& name, int location); + void bindAttributeLocation(const QString& name, int location); + + int attributeLocation(const char *name) const; + int attributeLocation(const QByteArray& name) const; + int attributeLocation(const QString& name) const; + + void setAttributeValue(int location, GLfloat value); + void setAttributeValue(int location, GLfloat x, GLfloat y); + void setAttributeValue(int location, GLfloat x, GLfloat y, GLfloat z); + void setAttributeValue(int location, GLfloat x, GLfloat y, GLfloat z, GLfloat w); + void setAttributeValue(int location, const QVector2D& value); + void setAttributeValue(int location, const QVector3D& value); + void setAttributeValue(int location, const QVector4D& value); + void setAttributeValue(int location, const QColor& value); + void setAttributeValue(int location, const GLfloat *values, int columns, int rows); + + void setAttributeValue(const char *name, GLfloat value); + void setAttributeValue(const char *name, GLfloat x, GLfloat y); + void setAttributeValue(const char *name, GLfloat x, GLfloat y, GLfloat z); + void setAttributeValue(const char *name, GLfloat x, GLfloat y, GLfloat z, GLfloat w); + void setAttributeValue(const char *name, const QVector2D& value); + void setAttributeValue(const char *name, const QVector3D& value); + void setAttributeValue(const char *name, const QVector4D& value); + void setAttributeValue(const char *name, const QColor& value); + void setAttributeValue(const char *name, const GLfloat *values, int columns, int rows); + + void setAttributeArray + (int location, const GLfloat *values, int size, int stride = 0); + void setAttributeArray + (int location, const QVector2D *values, int stride = 0); + void setAttributeArray + (int location, const QVector3D *values, int stride = 0); + void setAttributeArray + (int location, const QVector4D *values, int stride = 0); + void setAttributeArray + (const char *name, const GLfloat *values, int size, int stride = 0); + void setAttributeArray + (const char *name, const QVector2D *values, int stride = 0); + void setAttributeArray + (const char *name, const QVector3D *values, int stride = 0); + void setAttributeArray + (const char *name, const QVector4D *values, int stride = 0); + void disableAttributeArray(int location); + void disableAttributeArray(const char *name); + + int uniformLocation(const char *name) const; + int uniformLocation(const QByteArray& name) const; + int uniformLocation(const QString& name) const; + + void setUniformValue(int location, GLfloat value); + void setUniformValue(int location, GLint value); + void setUniformValue(int location, GLuint value); + void setUniformValue(int location, GLfloat x, GLfloat y); + void setUniformValue(int location, GLfloat x, GLfloat y, GLfloat z); + void setUniformValue(int location, GLfloat x, GLfloat y, GLfloat z, GLfloat w); + void setUniformValue(int location, const QVector2D& value); + void setUniformValue(int location, const QVector3D& value); + void setUniformValue(int location, const QVector4D& value); + void setUniformValue(int location, const QColor& color); + void setUniformValue(int location, const QPoint& point); + void setUniformValue(int location, const QPointF& point); + void setUniformValue(int location, const QSize& size); + void setUniformValue(int location, const QSizeF& size); + void setUniformValue(int location, const QMatrix2x2& value); + void setUniformValue(int location, const QMatrix2x3& value); + void setUniformValue(int location, const QMatrix2x4& value); + void setUniformValue(int location, const QMatrix3x2& value); + void setUniformValue(int location, const QMatrix3x3& value); + void setUniformValue(int location, const QMatrix3x4& value); + void setUniformValue(int location, const QMatrix4x2& value); + void setUniformValue(int location, const QMatrix4x3& value); + void setUniformValue(int location, const QMatrix4x4& value); + void setUniformValue(int location, const GLfloat value[4][4]); + void setUniformValue(int location, const QTransform& value); + + void setUniformValue(const char *name, GLfloat value); + void setUniformValue(const char *name, GLint value); + void setUniformValue(const char *name, GLuint value); + void setUniformValue(const char *name, GLfloat x, GLfloat y); + void setUniformValue(const char *name, GLfloat x, GLfloat y, GLfloat z); + void setUniformValue(const char *name, GLfloat x, GLfloat y, GLfloat z, GLfloat w); + void setUniformValue(const char *name, const QVector2D& value); + void setUniformValue(const char *name, const QVector3D& value); + void setUniformValue(const char *name, const QVector4D& value); + void setUniformValue(const char *name, const QColor& color); + void setUniformValue(const char *name, const QPoint& point); + void setUniformValue(const char *name, const QPointF& point); + void setUniformValue(const char *name, const QSize& size); + void setUniformValue(const char *name, const QSizeF& size); + void setUniformValue(const char *name, const QMatrix2x2& value); + void setUniformValue(const char *name, const QMatrix2x3& value); + void setUniformValue(const char *name, const QMatrix2x4& value); + void setUniformValue(const char *name, const QMatrix3x2& value); + void setUniformValue(const char *name, const QMatrix3x3& value); + void setUniformValue(const char *name, const QMatrix3x4& value); + void setUniformValue(const char *name, const QMatrix4x2& value); + void setUniformValue(const char *name, const QMatrix4x3& value); + void setUniformValue(const char *name, const QMatrix4x4& value); + void setUniformValue(const char *name, const GLfloat value[4][4]); + void setUniformValue(const char *name, const QTransform& value); + + void setUniformValueArray(int location, const GLfloat *values, int count, int size); + void setUniformValueArray(int location, const GLint *values, int count); + void setUniformValueArray(int location, const QVector2D *values, int count); + void setUniformValueArray(int location, const QVector3D *values, int count); + void setUniformValueArray(int location, const QVector4D *values, int count); + void setUniformValueArray(int location, const QMatrix2x2 *values, int count); + void setUniformValueArray(int location, const QMatrix2x3 *values, int count); + void setUniformValueArray(int location, const QMatrix2x4 *values, int count); + void setUniformValueArray(int location, const QMatrix3x2 *values, int count); + void setUniformValueArray(int location, const QMatrix3x3 *values, int count); + void setUniformValueArray(int location, const QMatrix3x4 *values, int count); + void setUniformValueArray(int location, const QMatrix4x2 *values, int count); + void setUniformValueArray(int location, const QMatrix4x3 *values, int count); + void setUniformValueArray(int location, const QMatrix4x4 *values, int count); + + void setUniformValueArray(const char *name, const GLfloat *values, int count, int size); + void setUniformValueArray(const char *name, const GLint *values, int count); + void setUniformValueArray(const char *name, const QVector2D *values, int count); + void setUniformValueArray(const char *name, const QVector3D *values, int count); + void setUniformValueArray(const char *name, const QVector4D *values, int count); + void setUniformValueArray(const char *name, const QMatrix2x2 *values, int count); + void setUniformValueArray(const char *name, const QMatrix2x3 *values, int count); + void setUniformValueArray(const char *name, const QMatrix2x4 *values, int count); + void setUniformValueArray(const char *name, const QMatrix3x2 *values, int count); + void setUniformValueArray(const char *name, const QMatrix3x3 *values, int count); + void setUniformValueArray(const char *name, const QMatrix3x4 *values, int count); + void setUniformValueArray(const char *name, const QMatrix4x2 *values, int count); + void setUniformValueArray(const char *name, const QMatrix4x3 *values, int count); + void setUniformValueArray(const char *name, const QMatrix4x4 *values, int count); + + static bool hasShaderPrograms(const QGLContext *context = 0); + +private: + QGLShaderProgramPrivate *d; + + Q_DISABLE_COPY(QGLShaderProgram); + + bool init(); +}; + +#endif + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |