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-/****************************************************************************
-**
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
-**
-** This file is part of the QtOpenGL module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** No Commercial Usage
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the either Technology Preview License Agreement or the
-** Beta Release License Agreement.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain
-** additional rights. These rights are described in the Nokia Qt LGPL
-** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3.0 as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU General Public License version 3.0 requirements will be
-** met: http://www.gnu.org/copyleft/gpl.html.
-**
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-//
-// W A R N I N G
-// -------------
-//
-// This file is not part of the Qt API. It exists purely as an
-// implementation detail. This header file may change from version to
-// version without notice, or even be removed.
-//
-// We mean it.
-//
-
-/*
-Uniform Types in OpenGL ES 2.0
-==============================
-GL_FLOAT GLfloat GLfloat
-GL_FLOAT_VEC2 QGLVec2 GLfloat[2]
-GL_FLOAT_VEC3 QGLVec3 GLfloat[3]
-GL_FLOAT_VEC4 QGLVec4 GLfloat[4]
-GL_INT GLint GLint
-GL_INT_VEC2 QGLIVec2 GLint[2]
-GL_INT_VEC3 QGLIVec3 GLint[3]
-GL_INT_VEC4 QGLIVec4 GLint[4]
-GL_BOOL GLbool GLbool
-GL_BOOL_VEC2 QGLBVec2 GLbool[2]
-GL_BOOL_VEC3 QGLBVec3 GLbool[3]
-GL_BOOL_VEC4 QGLBVec4 GLbool[4]
-GL_FLOAT_MAT2 QGLMat2 GLfloat[2][2]
-GL_FLOAT_MAT3 QGLMat3 GLfloat[3][3]
-GL_FLOAT_MAT4 QGLMat4 GLfloat[4][4]
-GL_SAMPLER_2D QGLSampler2D GLuint
-GL_SAMPLER_CUBE QGLSamplerCube GLuint
-
-Additional Types in Desktop OpenGL 2.0
-======================================
-SAMPLER_1D,
-SAMPLER_3D,
-SAMPLER_1D_SHADOW,
-SAMPLER_2D_SHADOW.
-*/
-
-#include <QtOpenGL>
-
-
-typedef struct {
- GLfloat a;
- GLfloat b;
-} QGLVec2;
-
-typedef struct {
- GLfloat a;
- GLfloat b;
- GLfloat c;
-} QGLVec3;
-
-typedef struct {
- GLfloat a;
- GLfloat b;
- GLfloat c;
- GLfloat d;
-} QGLVec4;
-
-
-class QGLShaderProgram;
-
-class QGLShaderPrivate;
-
-class QGLShader : QObject
-{
- Q_OBJECT
-public:
- enum ShaderType {VertexShader, FragmentShader};
-
- QGLShader(ShaderType type, const QGLContext* ctx = 0);
-
- GLuint id();
- void clearSource();
- void addSource(const QLatin1String& newSource);
- bool compile();
- bool isValid();
- QString log();
- const QGLContext* context(); //maybe make private with prog a friend?
-
-private:
- QGLShaderPrivate* d_ptr;
- Q_DECLARE_PRIVATE(QGLShader);
-
-/*
-public slots:
- void cleanupGLContextRefs(const QGLContext *context);
-*/
-};
-
-
-enum QGLType {
- QGLInvalidType = 0,
- QGLFloatType = GL_FLOAT,
- QGLVec2Type = GL_FLOAT_VEC2,
- QGLVec3Type = GL_FLOAT_VEC3,
- QGLVec4Type = GL_FLOAT_VEC4,
- QGLIntType = GL_INT,
- QGLIVec2Type = GL_INT_VEC2,
- QGLIVec3Type = GL_INT_VEC3,
- QGLIVec4Type = GL_INT_VEC4,
- QGLBoolType = GL_BOOL,
- QGLBVec2Type = GL_BOOL_VEC2,
- QGLBVec3Type = GL_BOOL_VEC3,
- QGLBVec4Type = GL_BOOL_VEC4,
- QGLMat2Type = GL_FLOAT_MAT2,
- QGLMat3Type = GL_FLOAT_MAT3,
- QGLMat4Type = GL_FLOAT_MAT4,
- QGLSampler2DType = GL_SAMPLER_2D,
- QGLSamplerCubeType = GL_SAMPLER_CUBE
-};
-
-class QGLUniform
-{
-public:
-
- QGLUniform(GLenum glType, GLint location, QGLContext* context)
- : m_id(location), m_type(QGLType(glType)), ctx(context) {}
-
- QGLUniform(); // Called by QMap when there's no match on the name
-
- QGLType type() const {return m_type;}
- GLuint id() const {return m_id;}
-
- // Seems odd to be const, but it doesn't actually modify any of the
- // class members, only the GL state!
- const QGLUniform& operator=(const GLfloat&) const;
-
- const QGLUniform& operator=(const QGLVec2&) const;
- const QGLUniform& operator=(const QSizeF&) const;
- const QGLUniform& operator=(const QPointF&) const;
-
- const QGLUniform& operator=(const QGLVec3&) const;
-
- const QGLUniform& operator=(const QGLVec4&) const;
- const QGLUniform& operator=(const QColor&) const;
-
- const QGLUniform& operator=(const GLfloat[2][2]) const;
-
- const QGLUniform& operator=(const GLfloat[3][3]) const;
- const QGLUniform& operator=(const QTransform&) const;
-
- const QGLUniform& operator=(const GLfloat[4][4]) const;
-
- const QGLUniform& operator=(const GLuint&) const; // sampler2d, specifying a texture unit
-
-
-protected:
- GLuint m_id;
- QGLType m_type;
- QGLContext* ctx;
-};
-
-typedef QMap<QString, QGLUniform> QGLUniformList;
-typedef QMapIterator<QString, QGLUniform> QGLUniformListIterator;
-
-
-class QGLVertexAttribute
-{
-public:
- QGLVertexAttribute(GLenum glType, GLuint location, QGLContext* context)
- : m_id(location), m_type(QGLType(glType)), ctx(context) {}
-
- QGLVertexAttribute(); // Called by QMap when there's no match on the name
-
- QGLType type() const {return m_type;}
- GLuint id() const {return m_id;}
- void enable() const;
- void disable() const;
-
- const QGLVertexAttribute& operator=(const GLfloat* rhs) const;
- const QGLVertexAttribute& operator=(const QGLVec3* rhs) const;
-
-protected:
- GLuint m_id;
- QGLType m_type;
- QGLContext* ctx;
-};
-
-//TODO: Convert into setter overloads on QGLShaderProgram
-typedef QMap<QString, QGLVertexAttribute> QGLVertexAttributeList;
-typedef QMapIterator<QString, QGLVertexAttribute> QGLVertexAttributeListIterator;
-
-
-
-class QGLShaderProgramPrivate;
-
-class QGLShaderProgram : QObject
-{
- Q_OBJECT
-public:
- QGLShaderProgram(const QGLContext* ctx = 0);
-
- const QGLUniformList & uniforms();
- const QGLVertexAttributeList& vertexAttributes();
-
- bool addShader(QGLShader* newShader);
- bool removeShader(QGLShader* oldShader);
- bool removeAllShaders();
-
- bool link();
- QString log();
- bool isValid();
- void use();
-
- GLuint id();
-
-private:
- QGLShaderProgramPrivate* d_ptr;
- Q_DECLARE_PRIVATE(QGLShaderProgram);
-
-/*
-public slots:
- void cleanupGLContextRefs(const QGLContext *context);
-*/
-};
-