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-rw-r--r--demos/boxes/glshaders.cpp266
1 files changed, 0 insertions, 266 deletions
diff --git a/demos/boxes/glshaders.cpp b/demos/boxes/glshaders.cpp
deleted file mode 100644
index 7622858..0000000
--- a/demos/boxes/glshaders.cpp
+++ /dev/null
@@ -1,266 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
-** this package.
-**
-** 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 1.1, included in the file LGPL_EXCEPTION.txt in this
-** package.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@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, reinterpret_cast<const GLcharARB**>(&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, reinterpret_cast<const GLcharARB**>(&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, reinterpret_cast<GLcharARB*>(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, reinterpret_cast<GLcharARB*>(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, reinterpret_cast<const GLcharARB*>(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, reinterpret_cast<const GLcharARB*>(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, reinterpret_cast<const GLcharARB*>(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, reinterpret_cast<const GLcharARB*>(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, reinterpret_cast<const GLcharARB*>(asciiName.data()));
- //qDebug() << "Location of" << name << "is" << loc;
- glUniformMatrix4fvARB(loc, 1, GL_FALSE, mat.bits());
- }
-}
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