Qt.git - Qt s a cross-platform application framework that is used for developing application software that can be run on various software and hardware platforms with little or no change in the underlying codebase, while still being a native application with native capabilities and speed.

path: root/src/3rdparty/webkit/JavaScriptCore/JavaScriptCore.pro

diff options

Diffstat (limited to 'src/3rdparty/webkit/JavaScriptCore/JavaScriptCore.pro')

0 files changed, 0 insertions, 0 deletions

+= 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 -#include "glextensions.h" - -#include -#include - -#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 m_cubemaps; - QVector m_programs; - GLVertexShader *m_vertexShader; - QVector m_fragmentShaders; - GLFragmentShader *m_environmentShader; - GLProgram *m_environmentProgram; + QVector m_programs; + QGLShader *m_vertexShader; + QVector 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 +#include +#include +#include #include +#include 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 vertices; - QList normals; - GLfloat *createdVertices; - GLfloat *createdNormals; - int m_vertexNumber; + QVector vertices; + QVector normals; bool qtLogo; QList 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/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp index b9c2bee..2767f6f 100644 --- a/src/corelib/global/qglobal.cpp +++ b/src/corelib/global/qglobal.cpp @@ -2939,7 +2939,12 @@ bool QInternal::callFunction(InternalFunction func, void **args) \relates \since 4.4 \threadsafe - \overload + + Compares the floating point value \a p1 and \a p2 and + returns \c true if they are considered equal, otherwise \c false. + + The two numbers are compared in a relative way, where the + exactness is stronger the smaller the numbers are. */ /*! diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h index 210f713..6f886c2 100644 --- a/src/corelib/global/qglobal.h +++ b/src/corelib/global/qglobal.h @@ -1833,7 +1833,7 @@ enum { /* TYPEINFO flags */ #define Q_DECLARE_TYPEINFO(TYPE, FLAGS) \ template <> \ -class QTypeInfo \ +class QTypeInfo \ { \ public: \ enum { \ diff --git a/src/gui/gui.pro b/src/gui/gui.pro index f224e67..1aa6558 100644 --- a/src/gui/gui.pro +++ b/src/gui/gui.pro @@ -31,6 +31,7 @@ include(itemviews/itemviews.pri) include(inputmethod/inputmethod.pri) include(graphicsview/graphicsview.pri) include(util/util.pri) +include(math3d/math3d.pri) embedded: QT += network diff --git a/src/gui/math3d/math3d.pri b/src/gui/math3d/math3d.pri new file mode 100644 index 0000000..581adbd --- /dev/null +++ b/src/gui/math3d/math3d.pri @@ -0,0 +1,20 @@ +HEADERS += \ + math3d/qfixedpt.h \ + math3d/qgenericmatrix.h \ + math3d/qmath3dglobal.h \ + math3d/qmath3dutil_p.h \ + math3d/qmatrix4x4.h \ + math3d/qquaternion.h \ + math3d/qvector2d.h \ + math3d/qvector3d.h \ + math3d/qvector4d.h + +SOURCES += \ + math3d/qfixedpt.cpp \ + math3d/qgenericmatrix.cpp \ + math3d/qmath3dutil.cpp \ + math3d/qmatrix4x4.cpp \ + math3d/qquaternion.cpp \ + math3d/qvector2d.cpp \ + math3d/qvector3d.cpp \ + math3d/qvector4d.cpp diff --git a/src/gui/math3d/qfixedpt.cpp b/src/gui/math3d/qfixedpt.cpp new file mode 100644 index 0000000..e7e61b6 --- /dev/null +++ b/src/gui/math3d/qfixedpt.cpp @@ -0,0 +1,681 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the $MODULE$ of the Qt Toolkit. +** +** $TROLLTECH_DUAL_LICENSE$ +** +****************************************************************************/ + +#include "qfixedpt.h" + +QT_BEGIN_NAMESPACE + +/*! + \internal + Returns the fixed-point square root of \a value. +*/ +qint64 qt_math3d_fixed_sqrt(qint64 value) +{ + qint64 result = 0; + qint64 bit = ((qint64)1) << 62; + while (bit > value) + bit >>= 2; + while (bit != 0) { + if (value >= (result + bit)) { + value -= result + bit; + result += (bit << 1); + } + result >>= 1; + bit >>= 2; + } + return result; +} + +/*! + \class QFixedPt + \brief The QFixedPt class represents fixed-point numbers within a 32-bit integer with a configurable precision. + + The template parameter is the number of bits of precision after + the decimal point. For example, QFixedPt<5> indicates that there + are 27 bits before the decimal point, and 5 bits of precision after + the decimal point. +*/ + +/*! + \fn QFixedPt::QFixedPt() + + Constructs a default fixed-point number. The initial value + is undefined. +*/ + +/*! + \fn QFixedPt::QFixedPt(int value) + + Constructs a fixed-point number from the integer \a value. +*/ + +/*! + \fn QFixedPt::QFixedPt(qreal value) + + Constructs a fixed-point number from the floating-point \a value. +*/ + +/*! + \fn QFixedPt& QFixedPt::operator=(int value) + + Assigns the integer \a value to this fixed-point variable. +*/ + +/*! + \fn QFixedPt& QFixedPt::operator=(qreal value) + + Assigns the floating-point \a value to this fixed-point variable. +*/ + +/*! + \fn int QFixedPt::bits() const + + Returns the raw bits that represent the fixed-point value of this object. + + \sa setBits() +*/ + +/*! + \fn void QFixedPt::setBits(int value) + + Sets the raw bits that represent the fixed-point value of + this object to \a value. + + \sa bits() +*/ + +#if !defined(QT_NO_MEMBER_TEMPLATES) || defined(Q_QDOC) + +/*! + \fn QFixedPt QFixedPt::toPrecision() const + + Returns this fixed-point number, converted to the new fixed-point + precision Prec. + + \sa qFixedPtToPrecision() +*/ + +#endif + +/*! + \fn QFixedPt qFixedPtToPrecision(const QFixedPt& value) + + Returns the fixed-point number \a value, converted to the new fixed-point + precision Prec. + + \sa QFixedPt::toPrecision() +*/ + +/*! + \fn QFixedPt& QFixedPt::operator+=(const QFixedPt& value) + + Adds \a value to this fixed-point number. +*/ + +/*! + \fn QFixedPt& QFixedPt::operator+=(int value) + + Adds an integer \a value to this fixed-point number. +*/ + +/*! + \fn QFixedPt& QFixedPt::operator+=(qreal value) + + Adds a floating-point \a value to this fixed-point number. +*/ + +/*! + \fn QFixedPt& QFixedPt::operator-=(const QFixedPt& value) + + Subtracts \a value from this fixed-point number. +*/ + +/*! + \fn QFixedPt& QFixedPt::operator-=(int value) + + Subtracts an integer \a value from this fixed-point number. +*/ + +/*! + \fn QFixedPt& QFixedPt::operator-=(qreal value) + + Subtracts a floating-point \a value from this fixed-point number. +*/ + +/*! + \fn QFixedPt& QFixedPt::operator*=(const QFixedPt& value) + + Multiplies this fixed-point number by \a value. +*/ + +/*! + \fn QFixedPt& QFixedPt::operator*=(int value) + + Multiplies this fixed-point number by an integer \a value. +*/ + +/*! + \fn QFixedPt& QFixedPt::operator*=(qreal value) + + Multiplies this fixed-point number by a floating-point \a value. +*/ + +/*! + \fn QFixedPt& QFixedPt::operator/=(const QFixedPt& value) + + Divides this fixed-point number by \a value. Division by zero + will result in zero. +*/ + +/*! + \fn QFixedPt& QFixedPt::operator/=(int value) + + Divides this fixed-point number by an integer \a value. Division + by zero will result in zero. +*/ + +/*! + \fn QFixedPt& QFixedPt::operator/=(qreal value) + + Divides this fixed-point number by a floating-point \a value. Division + by zero will result in zero. +*/ + +/*! + \fn QFixedPt& QFixedPt::operator<<=(int value) + + Shifts this fixed-point number left by \a value bits. +*/ + +/*! + \fn QFixedPt& QFixedPt::operator>>=(int value) + + Shifts this fixed-point number right by \a value bits. +*/ + +/*! + \fn QFixedPt QFixedPt::operator<<(int value) const + + Returns the result of shifting this fixed-point number + left by \a value bits. +*/ + +/*! + \fn QFixedPt QFixedPt::operator>>(int value) const + + Returns the result of shifting this fixed-point number + right by \a value bits. +*/ + +/*! + \fn bool QFixedPt::operator==(const QFixedPt& value) const + + Returns true if this fixed-point number is equal to \a value; + false otherwise. +*/ + +/*! + \fn bool operator==(const QFixedPt& v1, int v2) + \relates QFixedPt + + Returns true if \a v1 is equal to \a v2; false otherwise. +*/ + +/*! + \fn bool operator==(int v1, const QFixedPt& v2) + \relates QFixedPt + + Returns true if \a v1 is equal to \a v2; false otherwise. +*/ + +/*! + \fn bool operator==(const QFixedPt& v1, qreal v2) + \relates QFixedPt + + Returns true if \a v1 is equal to \a v2; false otherwise. +*/ + +/*! + \fn bool operator==(qreal v1, const QFixedPt& v2) + \relates QFixedPt + + Returns true if \a v1 is equal to \a v2; false otherwise. +*/ + +/*! + \fn bool QFixedPt::operator!=(const QFixedPt& value) const + + Returns true if this fixed-point number is not equal to \a value; + false otherwise. +*/ + +/*! + \fn bool operator!=(const QFixedPt& v1, int v2) + \relates QFixedPt + + Returns true if \a v1 is not equal to \a v2; false otherwise. +*/ + +/*! + \fn bool operator!=(int v1, const QFixedPt& v2) + \relates QFixedPt + + Returns true if \a v1 is not equal to \a v2; false otherwise. +*/ + +/*! + \fn bool operator!=(const QFixedPt& v1, qreal v2) + \relates QFixedPt + + Returns true if \a v1 is not equal to \a v2; false otherwise. +*/ + +/*! + \fn bool operator!=(qreal v1, const QFixedPt& v2) + \relates QFixedPt + + Returns true if \a v1 is not equal to \a v2; false otherwise. +*/ + +/*! + \fn bool QFixedPt::operator<=(const QFixedPt& value) const + + Returns true if this fixed-point number is less than or equal to + \a value; false otherwise. +*/ + +/*! + \fn bool operator<=(const QFixedPt& v1, int v2) + \relates QFixedPt + + Returns true if \a v1 is less than or equal to \a v2; false otherwise. +*/ + +/*! + \fn bool operator<=(int v1, const QFixedPt& v2) + \relates QFixedPt + + Returns true if \a v1 is less than or equal to \a v2; false otherwise. +*/ + +/*! + \fn bool operator<=(const QFixedPt& v1, qreal v2) + \relates QFixedPt + + Returns true if \a v1 is less than or equal to \a v2; false otherwise. +*/ + +/*! + \fn bool operator<=(qreal v1, const QFixedPt& v2) + \relates QFixedPt + + Returns true if \a v1 is less than or equal to \a v2; false otherwise. +*/ + +/*! + \fn bool QFixedPt::operator<(const QFixedPt& value) const + + Returns true if this fixed-point number is less than \a value; + false otherwise. +*/ + +/*! + \fn bool operator<(const QFixedPt& v1, int v2) + \relates QFixedPt + + Returns true if \a v1 is less than \a v2; false otherwise. +*/ + +/*! + \fn bool operator<(int v1, const QFixedPt& v2) + \relates QFixedPt + + Returns true if \a v1 is less than \a v2; false otherwise. +*/ + +/*! + \fn bool operator<(const QFixedPt& v1, qreal v2) + \relates QFixedPt + + Returns true if \a v1 is less than \a v2; false otherwise. +*/ + +/*! + \fn bool operator<(qreal v1, const QFixedPt& v2) + \relates QFixedPt + + Returns true if \a v1 is less than \a v2; false otherwise. +*/ + +/*! + \fn bool QFixedPt::operator>=(const QFixedPt& value) const + + Returns true if this fixed-point number is greater than or equal to + \a value; false otherwise. +*/ + +/*! + \fn bool operator>=(const QFixedPt& v1, int v2) + \relates QFixedPt + + Returns true if \a v1 is greater than or equal to \a v2; false otherwise. +*/ + +/*! + \fn bool operator>=(int v1, const QFixedPt& v2) + \relates QFixedPt + + Returns true if \a v1 is greater than or equal to \a v2; false otherwise. +*/ + +/*! + \fn bool operator>=(const QFixedPt& v1, qreal v2) + \relates QFixedPt + + Returns true if \a v1 is greater than or equal to \a v2; false otherwise. +*/ + +/*! + \fn bool operator>=(qreal v1, const QFixedPt& v2) + \relates QFixedPt + + Returns true if \a v1 is greater than or equal to \a v2; false otherwise. +*/ + +/*! + \fn bool QFixedPt::operator>(const QFixedPt& value) const + + Returns true if this fixed-point number is greater than \a value; + false otherwise. +*/ + +/*! + \fn bool operator>(const QFixedPt& v1, int v2) + \relates QFixedPt + + Returns true if \a v1 is greater than \a v2; false otherwise. +*/ + +/*! + \fn bool operator>(int v1, const QFixedPt& v2) + \relates QFixedPt + + Returns true if \a v1 is greater than \a v2; false otherwise. +*/ + +/*! + \fn bool operator>(const QFixedPt& v1, qreal v2) + \relates QFixedPt + + Returns true if \a v1 is greater than \a v2; false otherwise. +*/ + +/*! + \fn bool operator>(qreal v1, const QFixedPt& v2) + \relates QFixedPt + + Returns true if \a v1 is greater than \a v2; false otherwise. +*/ + +/*! + \fn QFixedPt QFixedPt::operator+(const QFixedPt& value) const + + Returns the result of adding this fixed-point number and \a value. +*/ + +/*! + \fn QFixedPt QFixedPt::operator+(int value) const + + Returns the result of adding this fixed-point number and \a value. +*/ + +/*! + \fn QFixedPt QFixedPt::operator+(qreal value) const + + Returns the result of adding this fixed-point number and \a value. +*/ + +/*! + \fn QFixedPt operator+(int v1, const QFixedPt& v2) + \relates QFixedPt + + Returns the result of adding \a v1 and \a v2. +*/ + +/*! + \fn QFixedPt operator+(qreal v1, const QFixedPt& v2) + \relates QFixedPt + + Returns the result of adding \a v1 and \a v2. +*/ + +/*! + \fn QFixedPt QFixedPt::operator-(const QFixedPt& value) const + + Returns the result of subtracting \a value from this fixed-point number. +*/ + +/*! + \fn QFixedPt QFixedPt::operator-(int value) const + + Returns the result of subtracting \a value from this fixed-point number. +*/ + +/*! + \fn QFixedPt QFixedPt::operator-(qreal value) const + + Returns the result of subtracting \a value from this fixed-point number. +*/ + +/*! + \fn QFixedPt operator-(int v1, const QFixedPt& v2) + \relates QFixedPt + + Returns the result of subtracting \a v2 from \a v1. +*/ + +/*! + \fn QFixedPt operator-(qreal v1, const QFixedPt& v2) + \relates QFixedPt + + Returns the result of subtracting \a v2 from \a v1. +*/ + +/*! + \fn QFixedPt QFixedPt::operator*(const QFixedPt& value) const + + Returns the result of multiplying this fixed-point number by \a value. +*/ + +/*! + \fn QFixedPt QFixedPt::operator*(int value) const + + Returns the result of multiplying this fixed-point number by \a value. +*/ + +/*! + \fn QFixedPt QFixedPt::operator*(qreal value) const + + Returns the result of multiplying this fixed-point number by \a value. +*/ + +/*! + \fn QFixedPt operator*(int v1, const QFixedPt& v2) + \relates QFixedPt + + Returns the result of multiplying \a v1 by \a v2. +*/ + +/*! + \fn QFixedPt operator*(qreal v1, const QFixedPt& v2) + \relates QFixedPt + + Returns the result of multiplying \a v1 by \a v2. +*/ + +/*! + \fn QFixedPt QFixedPt::operator/(const QFixedPt& value) const + + Returns the result of dividing this fixed-point number by \a value. + Division by zero will result in zero. +*/ + +/*! + \fn QFixedPt QFixedPt::operator/(int value) const + + Returns the result of dividing this fixed-point number by \a value. + Division by zero will result in zero. +*/ + +/*! + \fn QFixedPt QFixedPt::operator/(qreal value) const + + Returns the result of dividing this fixed-point number by \a value. + Division by zero will result in zero. +*/ + +/*! + \fn QFixedPt operator/(int v1, const QFixedPt& v2) + \relates QFixedPt + + Returns the result of dividing \a v1 by \a v2. Division by zero will + result in zero. +*/ + +/*! + \fn QFixedPt operator/(qreal v1, const QFixedPt& v2) + \relates QFixedPt + + Returns the result of dividing \a v1 by \a v2. Division by zero will + result in zero. +*/ + +/*! + \fn QFixedPt QFixedPt::operator-() const + + Returns the negation of this fixed-point number. +*/ + +/*! + \fn QFixedPt QFixedPt::sqrt() const + + Returns the square root of this fixed-point number. + + \sa sqrtF() +*/ + +/*! + \fn qreal QFixedPt::sqrtF() const + + Return the square root of this fixed-point number as a + floating-point value. + + \sa sqrt() +*/ + +/*! + \fn QFixedPt QFixedPt::round() const + + Returns this fixed-point number, rounded to the nearest integer. + + \sa floor(), ceil(), truncate() +*/ + +/*! + \fn QFixedPt QFixedPt::floor() const; + + Returns the largest integer that is less than or equal to + this fixed-point number. + + \sa round(), ceil(), truncate() +*/ + +/*! + \fn QFixedPt QFixedPt::ceil() const + + Returns the smallest integer that is greater than or equal to + this fixed-point number. + + \sa round(), floor(), truncate() +*/ + +/*! + \fn int QFixedPt::truncate() const + + Returns this fixed-point number with the bits after the + decimal point truncated. + + \sa round(), floor(), ceil() +*/ + +/*! + \fn int QFixedPt::toInt() const + + Returns this fixed-point number, rounded to the nearest integer. + + \sa toReal() +*/ + +/*! + \fn qreal QFixedPt::toReal() const + + Returns this fixed-point number as a floating-point value. + + \sa toInt() +*/ + +/*! + \fn int qCeil(const QFixedPt& value) + \relates QFixedPt + + Returns the smallest integer that is greater than or equal to + \a value. + + \sa qFloor(), qRound(), QFixedPt::ceil() +*/ + +/*! + \fn int qFloor(const QFixedPt& value) + \relates QFixedPt + + Returns the largest integer that is less than or equal to + \a value. + + \sa qCeil(), qRound(), QFixedPt::floor() +*/ + +/*! + \fn int qRound(const QFixedPt& value) + \relates QFixedPt + + Returns \a value, rounded to the nearest integer. + + \sa qCeil(), qFloor(), QFixedPt::round() +*/ + +/*! + \fn bool qFuzzyCompare(const QFixedPt& v1, const QFixedPt& v2, int compareBits) + \relates QFixedPt + + Returns true if \a v1 is almost equal to \a v2; false otherwise. + The \a compareBits parameter specifies the number of bits of precision + that should be considered relevant when performing the comparison. + By default, \a compareBits is PrecBits / 4. +*/ + +/*! + \fn bool qIsNull(const QFixedPt& v) + \relates QFixedPt + + Returns true if \a v is zero; false otherwise. +*/ + +QT_END_NAMESPACE diff --git a/src/gui/math3d/qfixedpt.h b/src/gui/math3d/qfixedpt.h new file mode 100644 index 0000000..ecbcad4 --- /dev/null +++ b/src/gui/math3d/qfixedpt.h @@ -0,0 +1,521 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the $MODULE$ of the Qt Toolkit. +** +** $TROLLTECH_DUAL_LICENSE$ +** +****************************************************************************/ + +#ifndef QFIXEDPT_H +#define QFIXEDPT_H + +#include +#include + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Gui) + +Q_GUI_EXPORT qint64 qt_math3d_fixed_sqrt(qint64 value); + +// Should be called QFixed or QFixedPoint, but both of those +// are already in use in src/gui/painting/qfixed_p.h. +template +class QFixedPt +{ +public: + inline QFixedPt() {} // Deliberately not initialized - don't change this. + inline QFixedPt(int value) : val(value << PrecBits) {} + inline QFixedPt(qreal value) : val(int(value * (1 << PrecBits))) {} + + inline QFixedPt& operator=(int value) + { val = value << PrecBits; return *this; } + inline QFixedPt& operator=(qreal value) + { val = int(value * (1 << PrecBits)); return *this; } + + inline int bits() const { return val; } + inline void setBits(int value) { val = value; } + +#if !defined(QT_NO_MEMBER_TEMPLATES) || defined(Q_QDOC) + template + inline QFixedPt toPrecision() const + { + QFixedPt result; + if (Prec < PrecBits) + result.setBits(shiftRight(val, (PrecBits - Prec))); + else + result.setBits(shiftLeft(val, (Prec - PrecBits))); + return result; + } +#endif + + inline QFixedPt& operator+=(const QFixedPt& value) + { val += value.val; return *this; } + inline QFixedPt& operator+=(int value) + { val += (value << PrecBits); return *this; } + inline QFixedPt& operator+=(qreal value) + { val += int(value * (1 << PrecBits)); return *this; } + + inline QFixedPt& operator-=(const QFixedPt& value) + { val -= value.val; return *this; } + inline QFixedPt& operator-=(int value) + { val -= (value << PrecBits); return *this; } + inline QFixedPt& operator-=(qreal value) + { val -= int(value * (1 << PrecBits)); return *this; } + + inline QFixedPt& operator*=(const QFixedPt& value) + { val = mul(val, value.val); return *this; } + inline QFixedPt& operator*=(int value) + { val = mul(val, (value << PrecBits)); return *this; } + inline QFixedPt& operator*=(qreal value) + { val = mul(val, int(value * (1 << PrecBits))); return *this; } + + inline QFixedPt& operator/=(const QFixedPt& value) + { val = div(val, value.val); return *this; } + inline QFixedPt& operator/=(int value) + { val = div(val, (value << PrecBits)); return *this; } + inline QFixedPt& operator/=(qreal value) + { val = div(val, int(value * (1 << PrecBits))); return *this; } + + inline QFixedPt& operator<<=(int value) + { val <<= value; return *this; } + inline QFixedPt& operator>>=(int value) + { val >>= value; return *this; } + + inline QFixedPt operator<<(int value) const + { QFixedPt result; result.val = val << value; return result; } + inline QFixedPt operator>>(int value) const + { QFixedPt result; result.val = val >> value; return result; } + + inline bool operator==(const QFixedPt& value) const + { return val == value.val; } + inline bool operator!=(const QFixedPt& value) const + { return val != value.val; } + inline bool operator<=(const QFixedPt& value) const + { return val <= value.val; } + inline bool operator<(const QFixedPt& value) const + { return val < value.val; } + inline bool operator>=(const QFixedPt& value) const + { return val >= value.val; } + inline bool operator>(const QFixedPt& value) const + { return val > value.val; } + + inline QFixedPt operator+(const QFixedPt& value) const + { QFixedPt result; + result.val = val + value.val; return result; } + inline QFixedPt operator+(int value) const + { QFixedPt result; + result.val = val + (value << PrecBits); return result; } + inline QFixedPt operator+(qreal value) const + { QFixedPt result; + result.val = val + int(value * (1 << PrecBits)); return result; } + + inline QFixedPt operator-(const QFixedPt& value) const + { QFixedPt result; + result.val = val - value.val; return result; } + inline QFixedPt operator-(int value) const + { QFixedPt result; + result.val = val - (value << PrecBits); return result; } + inline QFixedPt operator-(qreal value) const + { QFixedPt result; + result.val = val - int(value * (1 << PrecBits)); return result; } + + inline QFixedPt operator*(const QFixedPt& value) const + { QFixedPt result; + result.val = mul(val, value.val); return result; } + inline QFixedPt operator*(int value) const + { QFixedPt result; + result.val = mul(val, (value << PrecBits)); return result; } + inline QFixedPt operator*(qreal value) const + { QFixedPt result; + result.val = mul(val, int(value * (1 << PrecBits))); return result; } + + inline QFixedPt operator/(const QFixedPt& value) const + { QFixedPt result; + result.val = div(val, value.val); return result; } + inline QFixedPt operator/(int value) const + { QFixedPt result; + result.val = div(val, (value << PrecBits)); return result; } + inline QFixedPt operator/(qreal value) const + { QFixedPt result; + result.val = div(val, int(value * (1 << PrecBits))); return result; } + + inline QFixedPt operator-() const + { QFixedPt result; result.val = -val; return result; } + + inline QFixedPt sqrt() const; + inline qreal sqrtF() const; + inline QFixedPt round() const; + inline QFixedPt floor() const; + inline QFixedPt ceil() const; + inline int truncate() const { return val >> PrecBits; } + + inline int toInt() const { return (val + (1 << (PrecBits - 1))) >> PrecBits; } + inline qreal toReal() const { return qreal(val) / qreal(1 << PrecBits); } + +#if !defined(Q_NO_TEMPLATE_FRIENDS) + template + friend QFixedPt operator/(int v1, const QFixedPt& v2); + template + friend QFixedPt operator/(qreal v1, const QFixedPt& v2); + +private: +#endif + int val; + + inline static int mul(int v1, int v2) + { + return int((qint64(v1) * qint64(v2)) >> PrecBits); + } + + inline static int div(int v1, int v2) + { + if (v2) + return int((qint64(v1) << PrecBits) / qint64(v2)); + else + return 0; + } + + // These are used by toPrecision() to avoid a silly gcc compiler warning + // related to negative shift values that will never actually be used. + inline static int shiftRight(int val, int shift) + { + return val >> shift; + } + inline static int shiftLeft(int val, int shift) + { + return val << shift; + } + +#if !defined(Q_NO_TEMPLATE_FRIENDS) + template + friend QFixedPt qFixedPtToPrecision(const QFixedPt& value); +#endif +}; + +template +inline bool operator==(const QFixedPt& v1, int v2) +{ + return v1.bits() == (v2 << PrecBits); +} + +template +inline bool operator==(int v1, const QFixedPt& v2) +{ + return (v1 << PrecBits) == v2.bits(); +} + +template +inline bool operator==(const QFixedPt& v1, qreal v2) +{ + return v1.bits() == int(v2 * (1 << PrecBits)); +} + +template +inline bool operator==(qreal v1, const QFixedPt& v2) +{ + return int(v1 * (1 << PrecBits)) == v2.bits(); +} + +template +inline bool operator!=(const QFixedPt& v1, int v2) +{ + return v1.bits() != (v2 << PrecBits); +} + +template +inline bool operator!=(int v1, const QFixedPt& v2) +{ + return (v1 << PrecBits) != v2.bits(); +} + +template +inline bool operator!=(const QFixedPt& v1, qreal v2) +{ + return v1.bits() != int(v2 * (1 << PrecBits)); +} + +template +inline bool operator!=(qreal v1, const QFixedPt& v2) +{ + return int(v1 * (1 << PrecBits)) != v2.bits(); +} + +template +inline bool operator<=(const QFixedPt& v1, int v2) +{ + return v1.bits() <= (v2 << PrecBits); +} + +template +inline bool operator<=(int v1, const QFixedPt& v2) +{ + return (v1 << PrecBits) <= v2.bits(); +} + +template +inline bool operator<=(const QFixedPt& v1, qreal v2) +{ + return v1.bits() <= int(v2 * (1 << PrecBits)); +} + +template +inline bool operator<=(qreal v1, const QFixedPt& v2) +{ + return int(v1 * (1 << PrecBits)) <= v2.bits(); +} + +template +inline bool operator<(const QFixedPt& v1, int v2) +{ + return v1.bits() < (v2 << PrecBits); +} + +template +inline bool operator<(int v1, const QFixedPt& v2) +{ + return (v1 << PrecBits) < v2.bits(); +} + +template +inline bool operator<(const QFixedPt& v1, qreal v2) +{ + return v1.bits() < int(v2 * (1 << PrecBits)); +} + +template +inline bool operator<(qreal v1, const QFixedPt& v2) +{ + return int(v1 * (1 << PrecBits)) < v2.bits(); +} + +template +inline bool operator>=(const QFixedPt& v1, int v2) +{ + return v1.bits() >= (v2 << PrecBits); +} + +template +inline bool operator>=(int v1, const QFixedPt& v2) +{ + return (v1 << PrecBits) >= v2.bits(); +} + +template +inline bool operator>=(const QFixedPt& v1, qreal v2) +{ + return v1.bits() >= int(v2 * (1 << PrecBits)); +} + +template +inline bool operator>=(qreal v1, const QFixedPt& v2) +{ + return int(v1 * (1 << PrecBits)) >= v2.bits(); +} + +template +inline bool operator>(const QFixedPt& v1, int v2) +{ + return v1.bits() > (v2 << PrecBits); +} + +template +inline bool operator>(int v1, const QFixedPt& v2) +{ + return (v1 << PrecBits) > v2.bits(); +} + +template +inline bool operator>(const QFixedPt& v1, qreal v2) +{ + return v1.bits() > int(v2 * (1 << PrecBits)); +} + +template +inline bool operator>(qreal v1, const QFixedPt& v2) +{ + return int(v1 * (1 << PrecBits)) > v2.bits(); +} + +template +inline QFixedPt operator+(int v1, const QFixedPt& v2) +{ + return v2 + v1; +} + +template +inline QFixedPt operator+(qreal v1, const QFixedPt& v2) +{ + return v2 + v1; +} + +template +inline QFixedPt operator-(int v1, const QFixedPt& v2) +{ + return -(v2 - v1); +} + +template +inline QFixedPt operator-(qreal v1, const QFixedPt& v2) +{ + return -(v2 - v1); +} + +template +inline QFixedPt operator*(int v1, const QFixedPt& v2) +{ + return v2 * v1; +} + +template +inline QFixedPt operator*(qreal v1, const QFixedPt& v2) +{ + return v2 * v1; +} + +template +inline QFixedPt operator/(int v1, const QFixedPt& v2) +{ + QFixedPt result; + result.val = QFixedPt::div(v1 << PrecBits, v2.val); + return result; +} + +template +inline QFixedPt operator/(qreal v1, const QFixedPt& v2) +{ + QFixedPt result; + result.val = QFixedPt::div(int(v1 * (1 << PrecBits)), v2.val); + return result; +} + +template +inline QFixedPt QFixedPt::sqrt() const +{ + QFixedPt result; + result.val = int(qt_math3d_fixed_sqrt + (qint64(val) << (PrecBits * 2)) >> (PrecBits / 2)); + return result; +} + +template +inline qreal QFixedPt::sqrtF() const +{ + return qt_math3d_fixed_sqrt + (qint64(val) << (PrecBits * 2)) / (qreal)(1 << (PrecBits + (PrecBits / 2))); +} + +template +inline QFixedPt QFixedPt::round() const +{ + QFixedPt result; + result.val = (val + (1 << (PrecBits - 1))) & ~((1 << PrecBits) - 1); + return result; +} + +template +inline QFixedPt QFixedPt::floor() const +{ + QFixedPt result; + result.val = val & ~((1 << PrecBits) - 1); + return result; +} + +template +inline QFixedPt QFixedPt::ceil() const +{ + QFixedPt result; + result.val = (val + (1 << PrecBits) - 1) & ~((1 << PrecBits) - 1); + return result; +} + +template +inline int qCeil(const QFixedPt& value) +{ + return value.ceil().bits() >> PrecBits; +} + +template +inline int qFloor(const QFixedPt& value) +{ + return value.floor().bits() >> PrecBits; +} + +template +inline int qRound(const QFixedPt& value) +{ + return value.round().bits() >> PrecBits; +} + +template +inline bool qFuzzyCompare(const QFixedPt& v1, const QFixedPt& v2, int compareBits = (PrecBits / 4)) +{ + return ((v1.bits() ^ v2.bits()) & ~((1 << compareBits) - 1)) == 0; +} + +template +inline bool qIsNull(const QFixedPt& v) +{ + return v.bits() == 0; +} + +template +QFixedPt qFixedPtToPrecision(const QFixedPt& value) +{ + QFixedPt result; + if (Prec < PrecBits) + result.setBits(QFixedPt::shiftRight(value.bits(), (PrecBits - Prec))); + else + result.setBits(QFixedPt::shiftLeft(value.bits(), (Prec - PrecBits))); + return result; +} + +template +inline QDebug &operator<<(QDebug &dbg, const QFixedPt &f) +{ + return dbg << f.toReal(); +} + +Q_DECLARE_TYPEINFO(QFixedPt<0>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<1>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<2>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<3>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<4>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<5>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<6>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<7>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<8>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<9>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<10>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<11>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<12>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<13>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<14>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<15>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<16>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<17>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<18>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<19>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<20>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<21>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<22>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<23>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<24>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<25>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<26>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<27>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<28>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<29>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<30>, Q_PRIMITIVE_TYPE); +Q_DECLARE_TYPEINFO(QFixedPt<31>, Q_PRIMITIVE_TYPE); + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif diff --git a/src/gui/math3d/qgenericmatrix.cpp b/src/gui/math3d/qgenericmatrix.cpp new file mode 100644 index 0000000..cb48909 --- /dev/null +++ b/src/gui/math3d/qgenericmatrix.cpp @@ -0,0 +1,221 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the $MODULE$ of the Qt Toolkit. +** +** $TROLLTECH_DUAL_LICENSE$ +** +****************************************************************************/ + +#include "qgenericmatrix.h" + +QT_BEGIN_NAMESPACE + +/*! + \class QGenericMatrix + \brief The QGenericMatrix class is a template class that represents a NxM transformation matrix with N columns and M rows. + \since 4.6 + + The QGenericMatrix template has four parameters: + + \table + \row \i N \i Number of columns. + \row \i M \i Number of rows. + \row \i T \i Element type that is visible to users of the class. + \row \i InnerT \i Element type that is used inside the class. + \endtable + + Normally T and InnerT are the same type; e.g. float or double. + But they can be different if the user wants to store elements + internally in a fixed-point format for the underlying hardware. + + \sa QMatrix4x4, QFixedPt +*/ + +/*! + \fn QGenericMatrix::QGenericMatrix() + + Constructs a NxM identity matrix. +*/ + +/*! + \fn QGenericMatrix::QGenericMatrix(const QGenericMatrix& other) + + Constructs a copy of \a other. +*/ + +/*! + \fn QGenericMatrix::QGenericMatrix(const T *values) + + Constructs a matrix from the given N * M floating-point \a values. + The contents of the array \a values is assumed to be in + row-major order. + + \sa toValueArray() +*/ + +/*! + \fn T QGenericMatrix::operator()(int row, int column) const + + Returns the element at position (\a row, \a column) in this matrix. +*/ + +/*! + \fn InnerT& QGenericMatrix::operator()(int row, int column) + + Returns a reference to the element at position (\a row, \a column) + in this matrix so that the element can be assigned to. +*/ + +/*! + \fn bool QGenericMatrix::isIdentity() const + + Returns true if this matrix is the identity; false otherwise. + + \sa setIdentity() +*/ + +/*! + \fn void QGenericMatrix::setIdentity() + + Sets this matrix to the identity. + + \sa isIdentity() +*/ + +/*! + \fn void QGenericMatrix::fill(qreal value) + + Fills all elements of this matrix with \a value. +*/ + +/*! + \fn QGenericMatrix QGenericMatrix::transposed() const + + Returns this matrix, transposed about its diagonal. +*/ + +/*! + \fn QGenericMatrix& QGenericMatrix::operator+=(const QGenericMatrix& other) + + Adds the contents of \a other to this matrix. +*/ + +/*! + \fn QGenericMatrix& QGenericMatrix::operator-=(const QGenericMatrix& other) + + Subtracts the contents of \a other from this matrix. +*/ + +/*! + \fn QGenericMatrix& QGenericMatrix::operator*=(T factor) + + Multiplies all elements of this matrix by \a factor. +*/ + +/*! + \fn QGenericMatrix& QGenericMatrix::operator/=(T divisor) + + Divides all elements of this matrix by \a divisor. +*/ + +/*! + \fn bool QGenericMatrix::operator==(const QGenericMatrix& other) const + + Returns true if this matrix is identical to \a other; false otherwise. +*/ + +/*! + \fn bool QGenericMatrix::operator!=(const QGenericMatrix& other) const + + Returns true if this matrix is not identical to \a other; false otherwise. +*/ + +/*! + \fn QGenericMatrix operator+(const QGenericMatrix& m1, const QGenericMatrix& m2) + \relates QGenericMatrix + + Returns the sum of \a m1 and \a m2. +*/ + +/*! + \fn QGenericMatrix operator-(const QGenericMatrix& m1, const QGenericMatrix& m2) + \relates QGenericMatrix + + Returns the difference of \a m1 and \a m2. +*/ + +/*! + \fn QGenericMatrix operator*(const QGenericMatrix& m1, const QGenericMatrix& m2) + \relates QGenericMatrix + + Returns the product of the NxM2 matrix \a m1 and the M1xN matrix \a m2 + to produce a M1xM2 matrix result. +*/ + +/*! + \fn QGenericMatrix operator-(const QGenericMatrix& matrix) + \overload + \relates QGenericMatrix + + Returns the negation of \a matrix. +*/ + +/*! + \fn QGenericMatrix operator*(T factor, const QGenericMatrix& matrix) + \relates QGenericMatrix + + Returns the result of multiplying all elements of \a matrix by \a factor. +*/ + +/*! + \fn QGenericMatrix operator*(const QGenericMatrix& matrix, T factor) + \relates QGenericMatrix + + Returns the result of multiplying all elements of \a matrix by \a factor. +*/ + +/*! + \fn QGenericMatrix operator/(const QGenericMatrix& matrix, T divisor) + \relates QGenericMatrix + + Returns the result of dividing all elements of \a matrix by \a divisor. +*/ + +/*! + \fn void QGenericMatrix::toValueArray(T *values) + + Retrieves the N * M items in this matrix and writes them to \a values + in row-major order. +*/ + +/*! + \fn InnerT *QGenericMatrix::data() + + Returns a pointer to the raw data of this matrix. This is indended + for use with raw GL functions. + + \sa constData() +*/ + +/*! + \fn const InnerT *QGenericMatrix::data() const + + Returns a constant pointer to the raw data of this matrix. + This is indended for use with raw GL functions. + + \sa constData() +*/ + +/*! + \fn const InnerT *QGenericMatrix::constData() const + + Returns a constant pointer to the raw data of this matrix. + This is indended for use with raw GL functions. + + \sa data() +*/ + +QT_END_NAMESPACE diff --git a/src/gui/math3d/qgenericmatrix.h b/src/gui/math3d/qgenericmatrix.h new file mode 100644 index 0000000..26a0e48 --- /dev/null +++ b/src/gui/math3d/qgenericmatrix.h @@ -0,0 +1,341 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the $MODULE$ of the Qt Toolkit. +** +** $TROLLTECH_DUAL_LICENSE$ +** +****************************************************************************/ + +#ifndef QGENERICMATRIX_H +#define QGENERICMATRIX_H + +#include +#include + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Gui) + +template +class QGenericMatrix +{ +public: + QGenericMatrix(); + QGenericMatrix(const QGenericMatrix& other); + explicit QGenericMatrix(const T *values); + + T operator()(int row, int column) const; + InnerT& operator()(int row, int column); + + bool isIdentity() const; + void setIdentity(); + + void fill(qreal value); + + QGenericMatrix transposed() const; + + QGenericMatrix& operator+=(const QGenericMatrix& other); + QGenericMatrix& operator-=(const QGenericMatrix& other); + QGenericMatrix& operator*=(T factor); + QGenericMatrix& operator/=(T divisor); + bool operator==(const QGenericMatrix& other) const; + bool operator!=(const QGenericMatrix& other) const; + + void toValueArray(T *values); + + InnerT *data() { return m[0]; } + const InnerT *data() const { return m[0]; } + const InnerT *constData() const { return m[0]; } + +#if !defined(Q_NO_TEMPLATE_FRIENDS) + template + friend QGenericMatrix operator+(const QGenericMatrix& m1, const QGenericMatrix& m2); + template + friend QGenericMatrix operator-(const QGenericMatrix& m1, const QGenericMatrix& m2); + template + friend QGenericMatrix operator*(const QGenericMatrix& m1, const QGenericMatrix& m2); + template + friend QGenericMatrix operator-(const QGenericMatrix& matrix); + template + friend QGenericMatrix operator*(TT factor, const QGenericMatrix& matrix); + template + friend QGenericMatrix operator*(const QGenericMatrix& matrix, TT factor); + template + friend QGenericMatrix operator/(const QGenericMatrix& matrix, TT divisor); + +private: +#endif + InnerT m[N][M]; // Column-major order to match OpenGL. + + QGenericMatrix(int) {} // Construct without initializing identity matrix. + +#if !defined(Q_NO_TEMPLATE_FRIENDS) + template + friend class QGenericMatrix; +#endif +}; + +template +Q_INLINE_TEMPLATE QGenericMatrix::QGenericMatrix() +{ + setIdentity(); +} + +template +Q_INLINE_TEMPLATE QGenericMatrix::QGenericMatrix(const QGenericMatrix& other) +{ + qMemCopy(m, other.m, sizeof(m)); +} + +template +Q_OUTOFLINE_TEMPLATE QGenericMatrix::QGenericMatrix(const T *values) +{ + for (int col = 0; col < N; ++col) + for (int row = 0; row < M; ++row) + m[col][row] = values[row * N + col]; +} + +template +Q_INLINE_TEMPLATE T QGenericMatrix::operator()(int row, int column) const +{ + Q_ASSERT(row >= 0 && row < M && column >= 0 && column < N); + return qt_math3d_convert(m[column][row]); +} + +template +Q_INLINE_TEMPLATE InnerT& QGenericMatrix::operator()(int row, int column) +{ + Q_ASSERT(row >= 0 && row < M && column >= 0 && column < N); + return m[column][row]; +} + +template +Q_OUTOFLINE_TEMPLATE bool QGenericMatrix::isIdentity() const +{ + for (int col = 0; col < N; ++col) { + for (int row = 0; row < M; ++row) { + if (row == col) { + if (m[col][row] != 1.0f) + return false; + } else { + if (m[col][row] != 0.0f) + return false; + } + } + } + return true; +} + +template +Q_OUTOFLINE_TEMPLATE void QGenericMatrix::setIdentity() +{ + for (int col = 0; col < N; ++col) { + for (int row = 0; row < M; ++row) { + if (row == col) + m[col][row] = 1.0f; + else + m[col][row] = 0.0f; + } + } +} + +template +Q_OUTOFLINE_TEMPLATE void QGenericMatrix::fill(qreal value) +{ + for (int col = 0; col < N; ++col) + for (int row = 0; row < M; ++row) + m[col][row] = value; +} + +template +Q_OUTOFLINE_TEMPLATE QGenericMatrix QGenericMatrix::transposed() const +{ + QGenericMatrix result(1); + for (int row = 0; row < M; ++row) + for (int col = 0; col < N; ++col) + result.m[row][col] = m[col][row]; + return result; +} + +template +Q_OUTOFLINE_TEMPLATE QGenericMatrix


context:
space:
mode: