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Diffstat (limited to 'demos/boxes/glextensions.h')
| -rw-r--r-- | demos/boxes/glextensions.h | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/demos/boxes/glextensions.h b/demos/boxes/glextensions.h new file mode 100644 index 0000000..74617d6 --- /dev/null +++ b/demos/boxes/glextensions.h @@ -0,0 +1,284 @@ +/**************************************************************************** +** +** 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 GLEXTENSIONS_H +#define GLEXTENSIONS_H + +#include <QtOpenGL> + +/* +Functions resolved: + +glCreateShaderObjectARB +glShaderSourceARB +glCompileShaderARB +glGetObjectParameterivARB +glDeleteObjectARB +glGetInfoLogARB +glCreateProgramObjectARB +glAttachObjectARB +glDetachObjectARB +glLinkProgramARB +glUseProgramObjectARB +glGetUniformLocationARB +glUniform1iARB +glUniform1fARB +glUniform4fARB +glUniformMatrix4fvARB + +glGenFramebuffersEXT +glGenRenderbuffersEXT +glBindRenderbufferEXT +glRenderbufferStorageEXT +glDeleteFramebuffersEXT +glDeleteRenderbuffersEXT +glBindFramebufferEXT +glFramebufferTexture2DEXT +glFramebufferRenderbufferEXT +glCheckFramebufferStatusEXT + +glActiveTexture +glTexImage3D + +glGenBuffers +glBindBuffer +glBufferData +glDeleteBuffers +glMapBuffer +glUnmapBuffer +*/ + +#ifndef Q_WS_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_VERSION_1_5 +typedef ptrdiff_t GLsizeiptr; +#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 + +#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); +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, GLsizeiptr, 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 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; + _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 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 +#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 |