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qt5base-lts/examples/graphicsview/boxes/glextensions.h
Jason McDonald 5635823e17 Remove "All rights reserved" line from license headers. 
As in the past, to avoid rewriting various autotests that contain
line-number information, an extra blank line has been inserted at the
end of the license text to ensure that this commit does not change the
total number of lines in the license header.

Change-Id: I311e001373776812699d6efc045b5f742890c689
Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
2012-01-30 03:54:59 +01:00

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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef GLEXTENSIONS_H
#define GLEXTENSIONS_H
#include <QtOpenGL>
/*
Functions resolved:
glGenFramebuffersEXT
glGenRenderbuffersEXT
glBindRenderbufferEXT
glRenderbufferStorageEXT
glDeleteFramebuffersEXT
glDeleteRenderbuffersEXT
glBindFramebufferEXT
glFramebufferTexture2DEXT
glFramebufferRenderbufferEXT
glCheckFramebufferStatusEXT
glActiveTexture
glTexImage3D
glGenBuffers
glBindBuffer
glBufferData
glDeleteBuffers
glMapBuffer
glUnmapBuffer
*/
#ifndef Q_OS_MAC
# ifndef APIENTRYP
# ifdef APIENTRY
# define APIENTRYP APIENTRY *
# else
# define APIENTRY
# define APIENTRYP *
# endif
# endif
#else
# define APIENTRY
# define APIENTRYP *
#endif
#ifndef GL_VERSION_1_2
#define GL_TEXTURE_3D 0x806F
#define GL_TEXTURE_WRAP_R 0x8072
#define GL_CLAMP_TO_EDGE 0x812F
#define GL_BGRA 0x80E1
#endif
#ifndef GL_VERSION_1_3
#define GL_TEXTURE0 0x84C0
#define GL_TEXTURE1 0x84C1
#define GL_TEXTURE2 0x84C2
#define GL_TEXTURE_CUBE_MAP 0x8513
#define GL_TEXTURE_CUBE_MAP_POSITIVE_X 0x8515
//#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0x8516
//#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0x8517
//#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0x8518
//#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0x8519
//#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0x851A
#endif
#ifndef GL_ARB_vertex_buffer_object
typedef ptrdiff_t GLsizeiptrARB;
#endif
#ifndef GL_VERSION_1_5
#define GL_ARRAY_BUFFER 0x8892
#define GL_ELEMENT_ARRAY_BUFFER 0x8893
#define GL_READ_WRITE 0x88BA
#define GL_STATIC_DRAW 0x88E4
#endif
#ifndef GL_EXT_framebuffer_object
#define GL_RENDERBUFFER_EXT 0x8D41
#define GL_FRAMEBUFFER_EXT 0x8D40
#define GL_FRAMEBUFFER_COMPLETE_EXT 0x8CD5
#define GL_COLOR_ATTACHMENT0_EXT 0x8CE0
#define GL_DEPTH_ATTACHMENT_EXT 0x8D00
#endif
typedef void (APIENTRY *_glGenFramebuffersEXT) (GLsizei, GLuint *);
typedef void (APIENTRY *_glGenRenderbuffersEXT) (GLsizei, GLuint *);
typedef void (APIENTRY *_glBindRenderbufferEXT) (GLenum, GLuint);
typedef void (APIENTRY *_glRenderbufferStorageEXT) (GLenum, GLenum, GLsizei, GLsizei);
typedef void (APIENTRY *_glDeleteFramebuffersEXT) (GLsizei, const GLuint*);
typedef void (APIENTRY *_glDeleteRenderbuffersEXT) (GLsizei, const GLuint*);
typedef void (APIENTRY *_glBindFramebufferEXT) (GLenum, GLuint);
typedef void (APIENTRY *_glFramebufferTexture2DEXT) (GLenum, GLenum, GLenum, GLuint, GLint);
typedef void (APIENTRY *_glFramebufferRenderbufferEXT) (GLenum, GLenum, GLenum, GLuint);
typedef GLenum (APIENTRY *_glCheckFramebufferStatusEXT) (GLenum);
typedef void (APIENTRY *_glActiveTexture) (GLenum);
typedef void (APIENTRY *_glTexImage3D) (GLenum, GLint, GLenum, GLsizei, GLsizei, GLsizei, GLint, GLenum, GLenum, const GLvoid *);
typedef void (APIENTRY *_glGenBuffers) (GLsizei, GLuint *);
typedef void (APIENTRY *_glBindBuffer) (GLenum, GLuint);
typedef void (APIENTRY *_glBufferData) (GLenum, GLsizeiptrARB, const GLvoid *, GLenum);
typedef void (APIENTRY *_glDeleteBuffers) (GLsizei, const GLuint *);
typedef void *(APIENTRY *_glMapBuffer) (GLenum, GLenum);
typedef GLboolean (APIENTRY *_glUnmapBuffer) (GLenum);
struct GLExtensionFunctions
{
bool resolve(const QGLContext *context);
bool fboSupported();
bool openGL15Supported(); // the rest: multi-texture, 3D-texture, vertex buffer objects
_glGenFramebuffersEXT GenFramebuffersEXT;
_glGenRenderbuffersEXT GenRenderbuffersEXT;
_glBindRenderbufferEXT BindRenderbufferEXT;
_glRenderbufferStorageEXT RenderbufferStorageEXT;
_glDeleteFramebuffersEXT DeleteFramebuffersEXT;
_glDeleteRenderbuffersEXT DeleteRenderbuffersEXT;
_glBindFramebufferEXT BindFramebufferEXT;
_glFramebufferTexture2DEXT FramebufferTexture2DEXT;
_glFramebufferRenderbufferEXT FramebufferRenderbufferEXT;
_glCheckFramebufferStatusEXT CheckFramebufferStatusEXT;
_glActiveTexture ActiveTexture;
_glTexImage3D TexImage3D;
_glGenBuffers GenBuffers;
_glBindBuffer BindBuffer;
_glBufferData BufferData;
_glDeleteBuffers DeleteBuffers;
_glMapBuffer MapBuffer;
_glUnmapBuffer UnmapBuffer;
};
inline GLExtensionFunctions &getGLExtensionFunctions()
{
static GLExtensionFunctions funcs;
return funcs;
}
#define glGenFramebuffersEXT getGLExtensionFunctions().GenFramebuffersEXT
#define glGenRenderbuffersEXT getGLExtensionFunctions().GenRenderbuffersEXT
#define glBindRenderbufferEXT getGLExtensionFunctions().BindRenderbufferEXT
#define glRenderbufferStorageEXT getGLExtensionFunctions().RenderbufferStorageEXT
#define glDeleteFramebuffersEXT getGLExtensionFunctions().DeleteFramebuffersEXT
#define glDeleteRenderbuffersEXT getGLExtensionFunctions().DeleteRenderbuffersEXT
#define glBindFramebufferEXT getGLExtensionFunctions().BindFramebufferEXT
#define glFramebufferTexture2DEXT getGLExtensionFunctions().FramebufferTexture2DEXT
#define glFramebufferRenderbufferEXT getGLExtensionFunctions().FramebufferRenderbufferEXT
#define glCheckFramebufferStatusEXT getGLExtensionFunctions().CheckFramebufferStatusEXT
#define glActiveTexture getGLExtensionFunctions().ActiveTexture
#define glTexImage3D getGLExtensionFunctions().TexImage3D
#define glGenBuffers getGLExtensionFunctions().GenBuffers
#define glBindBuffer getGLExtensionFunctions().BindBuffer
#define glBufferData getGLExtensionFunctions().BufferData
#define glDeleteBuffers getGLExtensionFunctions().DeleteBuffers
#define glMapBuffer getGLExtensionFunctions().MapBuffer
#define glUnmapBuffer getGLExtensionFunctions().UnmapBuffer
#endif
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