src/opengl/qglextensions_p.h
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the QtOpenGL module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #ifndef QGL_EXTENSIONS_P_H
       
    43 #define QGL_EXTENSIONS_P_H
       
    44 
       
    45 //
       
    46 //  W A R N I N G
       
    47 //  -------------
       
    48 //
       
    49 // This file is not part of the Qt API.  It exists for the convenience
       
    50 // of the Qt OpenGL classes.  This header file may change from
       
    51 // version to version without notice, or even be removed.
       
    52 //
       
    53 // We mean it.
       
    54 //
       
    55 
       
    56 // extension prototypes
       
    57 #ifndef Q_WS_MAC
       
    58 # ifndef APIENTRYP
       
    59 #   ifdef APIENTRY
       
    60 #     define APIENTRYP APIENTRY *
       
    61 #   else
       
    62 #     define APIENTRY
       
    63 #     define APIENTRYP *
       
    64 #   endif
       
    65 # endif
       
    66 #else
       
    67 # define APIENTRY
       
    68 # define APIENTRYP *
       
    69 #endif
       
    70 
       
    71 #include <QtCore/qglobal.h>
       
    72 
       
    73 #ifndef GL_ARB_vertex_buffer_object
       
    74 typedef ptrdiff_t GLsizeiptrARB;
       
    75 #endif
       
    76 
       
    77 #ifndef GL_VERSION_2_0
       
    78 typedef char GLchar;
       
    79 #endif
       
    80 
       
    81 // ARB_pixel_buffer_object
       
    82 typedef void (APIENTRY *_glBindBuffer) (GLenum, GLuint);
       
    83 typedef void (APIENTRY *_glDeleteBuffers) (GLsizei, const GLuint *);
       
    84 typedef void (APIENTRY *_glGenBuffers) (GLsizei, GLuint *);
       
    85 typedef void (APIENTRY *_glBufferData) (GLenum, GLsizeiptrARB, const GLvoid *, GLenum);
       
    86 typedef GLvoid* (APIENTRY *_glMapBufferARB) (GLenum, GLenum);
       
    87 typedef GLboolean (APIENTRY *_glUnmapBufferARB) (GLenum);
       
    88 
       
    89 // ARB_fragment_program
       
    90 typedef void (APIENTRY *_glProgramStringARB) (GLenum, GLenum, GLsizei, const GLvoid *);
       
    91 typedef void (APIENTRY *_glBindProgramARB) (GLenum, GLuint);
       
    92 typedef void (APIENTRY *_glDeleteProgramsARB) (GLsizei, const GLuint *);
       
    93 typedef void (APIENTRY *_glGenProgramsARB) (GLsizei, GLuint *);
       
    94 typedef void (APIENTRY *_glProgramLocalParameter4fvARB) (GLenum, GLuint, const GLfloat *);
       
    95 
       
    96 // GLSL
       
    97 typedef GLuint (APIENTRY *_glCreateShader) (GLenum);
       
    98 typedef void (APIENTRY *_glShaderSource) (GLuint, GLsizei, const char **, const GLint *);
       
    99 typedef void (APIENTRY *_glShaderBinary) (GLint, const GLuint*, GLenum, const void*, GLint);
       
   100 typedef void (APIENTRY *_glCompileShader) (GLuint);
       
   101 typedef void (APIENTRY *_glDeleteShader) (GLuint);
       
   102 typedef GLboolean (APIENTRY *_glIsShader) (GLuint);
       
   103 
       
   104 typedef GLuint (APIENTRY *_glCreateProgram) ();
       
   105 typedef void (APIENTRY *_glAttachShader) (GLuint, GLuint);
       
   106 typedef void (APIENTRY *_glDetachShader) (GLuint, GLuint);
       
   107 typedef void (APIENTRY *_glLinkProgram) (GLuint);
       
   108 typedef void (APIENTRY *_glUseProgram) (GLuint);
       
   109 typedef void (APIENTRY *_glDeleteProgram) (GLuint);
       
   110 typedef GLboolean (APIENTRY *_glIsProgram) (GLuint);
       
   111 
       
   112 typedef void (APIENTRY *_glGetShaderInfoLog) (GLuint, GLsizei, GLsizei *, char *);
       
   113 typedef void (APIENTRY *_glGetShaderiv) (GLuint, GLenum, GLint *);
       
   114 typedef void (APIENTRY *_glGetShaderSource) (GLuint, GLsizei, GLsizei *, char *);
       
   115 typedef void (APIENTRY *_glGetProgramiv) (GLuint, GLenum, GLint *);
       
   116 typedef void (APIENTRY *_glGetProgramInfoLog) (GLuint, GLsizei, GLsizei *, char *);
       
   117 
       
   118 typedef GLuint (APIENTRY *_glGetUniformLocation) (GLuint, const char*);
       
   119 typedef void (APIENTRY *_glUniform4fv) (GLint, GLsizei, const GLfloat *);
       
   120 typedef void (APIENTRY *_glUniform3fv) (GLint, GLsizei, const GLfloat *);
       
   121 typedef void (APIENTRY *_glUniform2fv) (GLint, GLsizei, const GLfloat *);
       
   122 typedef void (APIENTRY *_glUniform1fv) (GLint, GLsizei, const GLfloat *);
       
   123 typedef void (APIENTRY *_glUniform1i) (GLint, GLint);
       
   124 typedef void (APIENTRY *_glUniform1iv) (GLint, GLsizei, const GLint *);
       
   125 typedef void (APIENTRY *_glUniformMatrix2fv) (GLint, GLsizei, GLboolean, const GLfloat *);
       
   126 typedef void (APIENTRY *_glUniformMatrix3fv) (GLint, GLsizei, GLboolean, const GLfloat *);
       
   127 typedef void (APIENTRY *_glUniformMatrix4fv) (GLint, GLsizei, GLboolean, const GLfloat *);
       
   128 typedef void (APIENTRY *_glUniformMatrix2x3fv) (GLint, GLsizei, GLboolean, const GLfloat *);
       
   129 typedef void (APIENTRY *_glUniformMatrix2x4fv) (GLint, GLsizei, GLboolean, const GLfloat *);
       
   130 typedef void (APIENTRY *_glUniformMatrix3x2fv) (GLint, GLsizei, GLboolean, const GLfloat *);
       
   131 typedef void (APIENTRY *_glUniformMatrix3x4fv) (GLint, GLsizei, GLboolean, const GLfloat *);
       
   132 typedef void (APIENTRY *_glUniformMatrix4x2fv) (GLint, GLsizei, GLboolean, const GLfloat *);
       
   133 typedef void (APIENTRY *_glUniformMatrix4x3fv) (GLint, GLsizei, GLboolean, const GLfloat *);
       
   134 
       
   135 typedef void (APIENTRY *_glBindAttribLocation) (GLuint, GLuint, const char *);
       
   136 typedef GLint (APIENTRY *_glGetAttribLocation) (GLuint, const char *);
       
   137 typedef void (APIENTRY *_glVertexAttrib1fv) (GLuint, const GLfloat *);
       
   138 typedef void (APIENTRY *_glVertexAttrib2fv) (GLuint, const GLfloat *);
       
   139 typedef void (APIENTRY *_glVertexAttrib3fv) (GLuint, const GLfloat *);
       
   140 typedef void (APIENTRY *_glVertexAttrib4fv) (GLuint, const GLfloat *);
       
   141 typedef void (APIENTRY *_glVertexAttribPointer) (GLuint, GLint, GLenum, GLboolean, GLsizei, const GLvoid *);
       
   142 typedef void (APIENTRY *_glDisableVertexAttribArray) (GLuint);
       
   143 typedef void (APIENTRY *_glEnableVertexAttribArray) (GLuint);
       
   144 
       
   145 typedef void (APIENTRY *_glGetProgramBinaryOES) (GLuint, GLsizei, GLsizei *, GLenum *, void *);
       
   146 typedef void (APIENTRY *_glProgramBinaryOES) (GLuint, GLenum, const void *, GLint);
       
   147 
       
   148 
       
   149 typedef void (APIENTRY *_glMultiTexCoord4f) (GLenum, GLfloat, GLfloat, GLfloat, GLfloat);
       
   150 typedef void (APIENTRY *_glActiveStencilFaceEXT) (GLenum );
       
   151 
       
   152 // Needed for GL2 engine:
       
   153 typedef void (APIENTRY *_glStencilOpSeparate) (GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass);
       
   154 typedef void (APIENTRY *_glActiveTexture) (GLenum);
       
   155 typedef void (APIENTRY *_glBlendColor) (GLclampf, GLclampf, GLclampf, GLclampf);
       
   156 
       
   157 
       
   158 // EXT_GL_framebuffer_object
       
   159 typedef GLboolean (APIENTRY *_glIsRenderbuffer) (GLuint renderbuffer);
       
   160 typedef void (APIENTRY *_glBindRenderbuffer) (GLenum target, GLuint renderbuffer);
       
   161 typedef void (APIENTRY *_glDeleteRenderbuffers) (GLsizei n, const GLuint *renderbuffers);
       
   162 typedef void (APIENTRY *_glGenRenderbuffers) (GLsizei n, GLuint *renderbuffers);
       
   163 typedef void (APIENTRY *_glRenderbufferStorage) (GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
       
   164 typedef void (APIENTRY *_glGetRenderbufferParameteriv) (GLenum target, GLenum pname, GLint *params);
       
   165 typedef GLboolean (APIENTRY *_glIsFramebuffer) (GLuint framebuffer);
       
   166 typedef void (APIENTRY *_glBindFramebuffer) (GLenum target, GLuint framebuffer);
       
   167 typedef void (APIENTRY *_glDeleteFramebuffers) (GLsizei n, const GLuint *framebuffers);
       
   168 typedef void (APIENTRY *_glGenFramebuffers) (GLsizei n, GLuint *framebuffers);
       
   169 typedef GLenum (APIENTRY *_glCheckFramebufferStatus) (GLenum target);
       
   170 typedef void (APIENTRY *_glFramebufferTexture2D) (GLenum target, GLenum attachment, GLenum textarget,
       
   171                                                            GLuint texture, GLint level);
       
   172 typedef void (APIENTRY *_glFramebufferRenderbuffer) (GLenum target, GLenum attachment, GLenum renderbuffertarget,
       
   173                                                               GLuint renderbuffer);
       
   174 typedef void (APIENTRY *_glGetFramebufferAttachmentParameteriv) (GLenum target, GLenum attachment, GLenum pname,
       
   175                                                                           GLint *params);
       
   176 typedef void (APIENTRY *_glGenerateMipmap) (GLenum target);
       
   177 
       
   178 // EXT_GL_framebuffer_blit
       
   179 typedef void (APIENTRY *_glBlitFramebufferEXT) (int srcX0, int srcY0, int srcX1, int srcY1,
       
   180                                                 int dstX0, int dstY0, int dstX1, int dstY1,
       
   181                                                 GLbitfield mask, GLenum filter);
       
   182 
       
   183 // EXT_GL_framebuffer_multisample
       
   184 typedef void (APIENTRY *_glRenderbufferStorageMultisampleEXT) (GLenum target, GLsizei samples,
       
   185                                                                GLenum internalformat, GLsizei width, GLsizei height);
       
   186 
       
   187 QT_BEGIN_NAMESPACE
       
   188 
       
   189 struct QGLExtensionFuncs
       
   190 {
       
   191     QGLExtensionFuncs() {
       
   192 #if !defined(QT_OPENGL_ES_2)
       
   193         qt_glProgramStringARB = 0;
       
   194         qt_glBindProgramARB = 0;
       
   195         qt_glDeleteProgramsARB = 0;
       
   196         qt_glGenProgramsARB = 0;
       
   197         qt_glProgramLocalParameter4fvARB = 0;
       
   198 
       
   199         // GLSL
       
   200         qt_glCreateShader = 0;
       
   201         qt_glShaderSource = 0;
       
   202         qt_glShaderBinary = 0;
       
   203         qt_glCompileShader = 0;
       
   204         qt_glDeleteShader = 0;
       
   205         qt_glIsShader = 0;
       
   206 
       
   207         qt_glCreateProgram = 0;
       
   208         qt_glAttachShader = 0;
       
   209         qt_glDetachShader = 0;
       
   210         qt_glLinkProgram = 0;
       
   211         qt_glUseProgram = 0;
       
   212         qt_glDeleteProgram = 0;
       
   213         qt_glIsProgram = 0;
       
   214 
       
   215         qt_glGetShaderInfoLog = 0;
       
   216         qt_glGetShaderiv = 0;
       
   217         qt_glGetShaderSource = 0;
       
   218         qt_glGetProgramiv = 0;
       
   219         qt_glGetProgramInfoLog = 0;
       
   220 
       
   221         qt_glGetUniformLocation = 0;
       
   222         qt_glUniform4fv = 0;
       
   223         qt_glUniform3fv = 0;
       
   224         qt_glUniform2fv = 0;
       
   225         qt_glUniform1fv = 0;
       
   226         qt_glUniform1i = 0;
       
   227         qt_glUniform1iv = 0;
       
   228         qt_glUniformMatrix2fv = 0;
       
   229         qt_glUniformMatrix3fv = 0;
       
   230         qt_glUniformMatrix4fv = 0;
       
   231         qt_glUniformMatrix2x3fv = 0;
       
   232         qt_glUniformMatrix2x4fv = 0;
       
   233         qt_glUniformMatrix3x2fv = 0;
       
   234         qt_glUniformMatrix3x4fv = 0;
       
   235         qt_glUniformMatrix4x2fv = 0;
       
   236         qt_glUniformMatrix4x3fv = 0;
       
   237 
       
   238         qt_glBindAttribLocation = 0;
       
   239         qt_glGetAttribLocation = 0;
       
   240         qt_glVertexAttrib1fv = 0;
       
   241         qt_glVertexAttrib2fv = 0;
       
   242         qt_glVertexAttrib3fv = 0;
       
   243         qt_glVertexAttrib4fv = 0;
       
   244         qt_glVertexAttribPointer = 0;
       
   245         qt_glDisableVertexAttribArray = 0;
       
   246         qt_glEnableVertexAttribArray = 0;
       
   247 
       
   248         // Extras for GL2 engine:
       
   249         qt_glActiveTexture = 0;
       
   250         qt_glStencilOpSeparate = 0;
       
   251         qt_glBlendColor = 0;
       
   252 
       
   253         qt_glActiveStencilFaceEXT = 0;
       
   254         qt_glMultiTexCoord4f = 0;
       
   255 #else
       
   256         qt_glslResolved = false;
       
   257 
       
   258         qt_glGetProgramBinaryOES = 0;
       
   259         qt_glProgramBinaryOES = 0;
       
   260 #endif
       
   261 
       
   262         // FBOs
       
   263 #if !defined(QT_OPENGL_ES_2)
       
   264         qt_glIsRenderbuffer = 0;
       
   265         qt_glBindRenderbuffer = 0;
       
   266         qt_glDeleteRenderbuffers = 0;
       
   267         qt_glGenRenderbuffers = 0;
       
   268         qt_glRenderbufferStorage = 0;
       
   269         qt_glGetRenderbufferParameteriv = 0;
       
   270         qt_glIsFramebuffer = 0;
       
   271         qt_glBindFramebuffer = 0;
       
   272         qt_glDeleteFramebuffers = 0;
       
   273         qt_glGenFramebuffers = 0;
       
   274         qt_glCheckFramebufferStatus = 0;
       
   275         qt_glFramebufferTexture2D = 0;
       
   276         qt_glFramebufferRenderbuffer = 0;
       
   277         qt_glGetFramebufferAttachmentParameteriv = 0;
       
   278         qt_glGenerateMipmap = 0;
       
   279 #endif
       
   280         qt_glBlitFramebufferEXT = 0;
       
   281         qt_glRenderbufferStorageMultisampleEXT = 0;
       
   282 
       
   283         // Buffer objects:
       
   284 #if !defined(QT_OPENGL_ES_2)
       
   285         qt_glBindBuffer = 0;
       
   286         qt_glDeleteBuffers = 0;
       
   287         qt_glGenBuffers = 0;
       
   288         qt_glBufferData = 0;
       
   289 #endif
       
   290         qt_glMapBufferARB = 0;
       
   291         qt_glUnmapBufferARB = 0;
       
   292     }
       
   293 
       
   294 
       
   295 #if !defined(QT_OPENGL_ES_2)
       
   296     _glProgramStringARB qt_glProgramStringARB;
       
   297     _glBindProgramARB qt_glBindProgramARB;
       
   298     _glDeleteProgramsARB qt_glDeleteProgramsARB;
       
   299     _glGenProgramsARB qt_glGenProgramsARB;
       
   300     _glProgramLocalParameter4fvARB qt_glProgramLocalParameter4fvARB;
       
   301 
       
   302     // GLSL definitions
       
   303     _glCreateShader qt_glCreateShader;
       
   304     _glShaderSource qt_glShaderSource;
       
   305     _glShaderBinary qt_glShaderBinary;
       
   306     _glCompileShader qt_glCompileShader;
       
   307     _glDeleteShader qt_glDeleteShader;
       
   308     _glIsShader qt_glIsShader;
       
   309 
       
   310     _glCreateProgram qt_glCreateProgram;
       
   311     _glAttachShader qt_glAttachShader;
       
   312     _glDetachShader qt_glDetachShader;
       
   313     _glLinkProgram qt_glLinkProgram;
       
   314     _glUseProgram qt_glUseProgram;
       
   315     _glDeleteProgram qt_glDeleteProgram;
       
   316     _glIsProgram qt_glIsProgram;
       
   317 
       
   318     _glGetShaderInfoLog qt_glGetShaderInfoLog;
       
   319     _glGetShaderiv qt_glGetShaderiv;
       
   320     _glGetShaderSource qt_glGetShaderSource;
       
   321     _glGetProgramiv qt_glGetProgramiv;
       
   322     _glGetProgramInfoLog qt_glGetProgramInfoLog;
       
   323 
       
   324     _glGetUniformLocation qt_glGetUniformLocation;
       
   325     _glUniform4fv qt_glUniform4fv;
       
   326     _glUniform3fv qt_glUniform3fv;
       
   327     _glUniform2fv qt_glUniform2fv;
       
   328     _glUniform1fv qt_glUniform1fv;
       
   329     _glUniform1i qt_glUniform1i;
       
   330     _glUniform1iv qt_glUniform1iv;
       
   331     _glUniformMatrix2fv qt_glUniformMatrix2fv;
       
   332     _glUniformMatrix3fv qt_glUniformMatrix3fv;
       
   333     _glUniformMatrix4fv qt_glUniformMatrix4fv;
       
   334     _glUniformMatrix2x3fv qt_glUniformMatrix2x3fv;
       
   335     _glUniformMatrix2x4fv qt_glUniformMatrix2x4fv;
       
   336     _glUniformMatrix3x2fv qt_glUniformMatrix3x2fv;
       
   337     _glUniformMatrix3x4fv qt_glUniformMatrix3x4fv;
       
   338     _glUniformMatrix4x2fv qt_glUniformMatrix4x2fv;
       
   339     _glUniformMatrix4x3fv qt_glUniformMatrix4x3fv;
       
   340 
       
   341     _glBindAttribLocation qt_glBindAttribLocation;
       
   342     _glGetAttribLocation qt_glGetAttribLocation;
       
   343     _glVertexAttrib1fv qt_glVertexAttrib1fv;
       
   344     _glVertexAttrib2fv qt_glVertexAttrib2fv;
       
   345     _glVertexAttrib3fv qt_glVertexAttrib3fv;
       
   346     _glVertexAttrib4fv qt_glVertexAttrib4fv;
       
   347     _glVertexAttribPointer qt_glVertexAttribPointer;
       
   348     _glDisableVertexAttribArray qt_glDisableVertexAttribArray;
       
   349     _glEnableVertexAttribArray qt_glEnableVertexAttribArray;
       
   350 
       
   351 #else
       
   352     bool qt_glslResolved;
       
   353 
       
   354     _glGetProgramBinaryOES qt_glGetProgramBinaryOES;
       
   355     _glProgramBinaryOES qt_glProgramBinaryOES;
       
   356 #endif
       
   357 
       
   358     _glActiveStencilFaceEXT qt_glActiveStencilFaceEXT;
       
   359     _glMultiTexCoord4f qt_glMultiTexCoord4f;
       
   360 
       
   361 #if !defined(QT_OPENGL_ES_2)
       
   362     // Extras needed for GL2 engine:
       
   363     _glActiveTexture qt_glActiveTexture;
       
   364     _glStencilOpSeparate qt_glStencilOpSeparate;
       
   365     _glBlendColor qt_glBlendColor;
       
   366 
       
   367 #endif
       
   368 
       
   369     // FBOs
       
   370 #if !defined(QT_OPENGL_ES_2)
       
   371     _glIsRenderbuffer qt_glIsRenderbuffer;
       
   372     _glBindRenderbuffer qt_glBindRenderbuffer;
       
   373     _glDeleteRenderbuffers qt_glDeleteRenderbuffers;
       
   374     _glGenRenderbuffers qt_glGenRenderbuffers;
       
   375     _glRenderbufferStorage qt_glRenderbufferStorage;
       
   376     _glGetRenderbufferParameteriv qt_glGetRenderbufferParameteriv;
       
   377     _glIsFramebuffer qt_glIsFramebuffer;
       
   378     _glBindFramebuffer qt_glBindFramebuffer;
       
   379     _glDeleteFramebuffers qt_glDeleteFramebuffers;
       
   380     _glGenFramebuffers qt_glGenFramebuffers;
       
   381     _glCheckFramebufferStatus qt_glCheckFramebufferStatus;
       
   382     _glFramebufferTexture2D qt_glFramebufferTexture2D;
       
   383     _glFramebufferRenderbuffer qt_glFramebufferRenderbuffer;
       
   384     _glGetFramebufferAttachmentParameteriv qt_glGetFramebufferAttachmentParameteriv;
       
   385     _glGenerateMipmap qt_glGenerateMipmap;
       
   386 #endif
       
   387     _glBlitFramebufferEXT qt_glBlitFramebufferEXT;
       
   388     _glRenderbufferStorageMultisampleEXT qt_glRenderbufferStorageMultisampleEXT;
       
   389 
       
   390     // Buffer objects
       
   391 #if !defined(QT_OPENGL_ES_2)
       
   392     _glBindBuffer qt_glBindBuffer;
       
   393     _glDeleteBuffers qt_glDeleteBuffers;
       
   394     _glGenBuffers qt_glGenBuffers;
       
   395     _glBufferData qt_glBufferData;
       
   396 #endif
       
   397     _glMapBufferARB qt_glMapBufferARB;
       
   398     _glUnmapBufferARB qt_glUnmapBufferARB;
       
   399 
       
   400 };
       
   401 
       
   402 
       
   403 // OpenGL constants
       
   404 
       
   405 /* NV_texture_rectangle */
       
   406 #ifndef GL_NV_texture_rectangle
       
   407 #define GL_TEXTURE_RECTANGLE_NV           0x84F5
       
   408 #define GL_TEXTURE_BINDING_RECTANGLE_NV   0x84F6
       
   409 #define GL_PROXY_TEXTURE_RECTANGLE_NV     0x84F7
       
   410 #define GL_MAX_RECTANGLE_TEXTURE_SIZE_NV  0x84F8
       
   411 #endif
       
   412 
       
   413 #ifndef GL_BGRA
       
   414 #define GL_BGRA 0x80E1
       
   415 #endif
       
   416 
       
   417 #ifndef GL_RGB16
       
   418 #define GL_RGB16 32852
       
   419 #endif
       
   420 
       
   421 #ifndef GL_UNSIGNED_SHORT_5_6_5
       
   422 #define GL_UNSIGNED_SHORT_5_6_5 33635
       
   423 #endif
       
   424 
       
   425 #ifndef GL_UNSIGNED_INT_8_8_8_8_REV
       
   426 #define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
       
   427 #endif
       
   428 
       
   429 #ifndef GL_MULTISAMPLE
       
   430 #define GL_MULTISAMPLE  0x809D
       
   431 #endif
       
   432 
       
   433 #ifndef GL_CLAMP_TO_EDGE
       
   434 #define GL_CLAMP_TO_EDGE 0x812F
       
   435 #endif
       
   436 
       
   437 #ifndef GL_IBM_texture_mirrored_repeat
       
   438 #define GL_MIRRORED_REPEAT_IBM            0x8370
       
   439 #endif
       
   440 
       
   441 #ifndef GL_SGIS_generate_mipmap
       
   442 #define GL_GENERATE_MIPMAP_SGIS           0x8191
       
   443 #define GL_GENERATE_MIPMAP_HINT_SGIS      0x8192
       
   444 #endif
       
   445 
       
   446 // ARB_fragment_program extension protos
       
   447 #ifndef GL_FRAGMENT_PROGRAM_ARB
       
   448 #define GL_FRAGMENT_PROGRAM_ARB           0x8804
       
   449 #define GL_PROGRAM_FORMAT_ASCII_ARB       0x8875
       
   450 #endif
       
   451 
       
   452 #ifndef GL_PIXEL_UNPACK_BUFFER_ARB
       
   453 #define GL_PIXEL_UNPACK_BUFFER_ARB 0x88EC
       
   454 #endif
       
   455 
       
   456 #ifndef GL_WRITE_ONLY_ARB
       
   457 #define GL_WRITE_ONLY_ARB 0x88B9
       
   458 #endif
       
   459 
       
   460 #ifndef GL_STREAM_DRAW_ARB
       
   461 #define GL_STREAM_DRAW_ARB 0x88E0
       
   462 #endif
       
   463 
       
   464 // Stencil wrap and two-side defines
       
   465 #ifndef GL_STENCIL_TEST_TWO_SIDE_EXT
       
   466 #define GL_STENCIL_TEST_TWO_SIDE_EXT 0x8910
       
   467 #endif
       
   468 #ifndef GL_INCR_WRAP_EXT
       
   469 #define GL_INCR_WRAP_EXT 0x8507
       
   470 #endif
       
   471 #ifndef GL_DECR_WRAP_EXT
       
   472 #define GL_DECR_WRAP_EXT 0x8508
       
   473 #endif
       
   474 
       
   475 #ifndef GL_TEXTURE0
       
   476 #define GL_TEXTURE0 0x84C0
       
   477 #endif
       
   478 
       
   479 #ifndef GL_TEXTURE1
       
   480 #define GL_TEXTURE1 0x84C1
       
   481 #endif
       
   482 
       
   483 #ifndef GL_EXT_framebuffer_object
       
   484 #define GL_INVALID_FRAMEBUFFER_OPERATION_EXT                    0x0506
       
   485 #define GL_MAX_RENDERBUFFER_SIZE_EXT                            0x84E8
       
   486 #define GL_FRAMEBUFFER_BINDING_EXT                              0x8CA6
       
   487 #define GL_RENDERBUFFER_BINDING_EXT                             0x8CA7
       
   488 #define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT               0x8CD0
       
   489 #define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT               0x8CD1
       
   490 #define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT             0x8CD2
       
   491 #define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT     0x8CD3
       
   492 #define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT        0x8CD4
       
   493 #define GL_FRAMEBUFFER_COMPLETE_EXT                             0x8CD5
       
   494 #define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT                0x8CD6
       
   495 #define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT        0x8CD7
       
   496 #define GL_FRAMEBUFFER_INCOMPLETE_DUPLICATE_ATTACHMENT_EXT      0x8CD8
       
   497 #define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT                0x8CD9
       
   498 #define GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT                   0x8CDA
       
   499 #define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT               0x8CDB
       
   500 #define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT               0x8CDC
       
   501 #define GL_FRAMEBUFFER_UNSUPPORTED_EXT                          0x8CDD
       
   502 #define GL_MAX_COLOR_ATTACHMENTS_EXT                            0x8CDF
       
   503 #define GL_COLOR_ATTACHMENT0_EXT                                0x8CE0
       
   504 #define GL_COLOR_ATTACHMENT1_EXT                                0x8CE1
       
   505 #define GL_COLOR_ATTACHMENT2_EXT                                0x8CE2
       
   506 #define GL_COLOR_ATTACHMENT3_EXT                                0x8CE3
       
   507 #define GL_COLOR_ATTACHMENT4_EXT                                0x8CE4
       
   508 #define GL_COLOR_ATTACHMENT5_EXT                                0x8CE5
       
   509 #define GL_COLOR_ATTACHMENT6_EXT                                0x8CE6
       
   510 #define GL_COLOR_ATTACHMENT7_EXT                                0x8CE7
       
   511 #define GL_COLOR_ATTACHMENT8_EXT                                0x8CE8
       
   512 #define GL_COLOR_ATTACHMENT9_EXT                                0x8CE9
       
   513 #define GL_COLOR_ATTACHMENT10_EXT                               0x8CEA
       
   514 #define GL_COLOR_ATTACHMENT11_EXT                               0x8CEB
       
   515 #define GL_COLOR_ATTACHMENT12_EXT                               0x8CEC
       
   516 #define GL_COLOR_ATTACHMENT13_EXT                               0x8CED
       
   517 #define GL_COLOR_ATTACHMENT14_EXT                               0x8CEE
       
   518 #define GL_COLOR_ATTACHMENT15_EXT                               0x8CEF
       
   519 #define GL_DEPTH_ATTACHMENT_EXT                                 0x8D00
       
   520 #define GL_STENCIL_ATTACHMENT_EXT                               0x8D20
       
   521 #define GL_FRAMEBUFFER_EXT                                      0x8D40
       
   522 #define GL_RENDERBUFFER_EXT                                     0x8D41
       
   523 #define GL_RENDERBUFFER_WIDTH_EXT                               0x8D42
       
   524 #define GL_RENDERBUFFER_HEIGHT_EXT                              0x8D43
       
   525 #define GL_RENDERBUFFER_INTERNAL_FORMAT_EXT                     0x8D44
       
   526 #define GL_STENCIL_INDEX_EXT                                    0x8D45
       
   527 #define GL_STENCIL_INDEX1_EXT                                   0x8D46
       
   528 #define GL_STENCIL_INDEX4_EXT                                   0x8D47
       
   529 #define GL_STENCIL_INDEX8_EXT                                   0x8D48
       
   530 #define GL_STENCIL_INDEX16_EXT                                  0x8D49
       
   531 #define GL_RENDERBUFFER_RED_SIZE_EXT                            0x8D50
       
   532 #define GL_RENDERBUFFER_GREEN_SIZE_EXT                          0x8D51
       
   533 #define GL_RENDERBUFFER_BLUE_SIZE_EXT                           0x8D52
       
   534 #define GL_RENDERBUFFER_ALPHA_SIZE_EXT                          0x8D53
       
   535 #define GL_RENDERBUFFER_DEPTH_SIZE_EXT                          0x8D54
       
   536 #define GL_RENDERBUFFER_STENCIL_SIZE_EXT                        0x8D55
       
   537 #endif
       
   538 
       
   539 // GL_EXT_framebuffer_blit
       
   540 #ifndef GL_READ_FRAMEBUFFER_EXT
       
   541 #define GL_READ_FRAMEBUFFER_EXT                                 0x8CA8
       
   542 #endif
       
   543 
       
   544 // GL_EXT_framebuffer_multisample
       
   545 #ifndef GL_RENDERBUFFER_SAMPLES_EXT
       
   546 #define GL_RENDERBUFFER_SAMPLES_EXT                             0x8CAB
       
   547 #endif
       
   548 
       
   549 #ifndef GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT
       
   550 #define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT               0x8D56
       
   551 #endif
       
   552 
       
   553 #ifndef GL_MAX_SAMPLES_EXT
       
   554 #define GL_MAX_SAMPLES_EXT                                      0x8D57
       
   555 #endif
       
   556 
       
   557 #ifndef GL_DRAW_FRAMEBUFFER_EXT
       
   558 #define GL_DRAW_FRAMEBUFFER_EXT                                 0x8CA9
       
   559 #endif
       
   560 
       
   561 #ifndef GL_EXT_packed_depth_stencil
       
   562 #define GL_DEPTH_STENCIL_EXT                                    0x84F9
       
   563 #define GL_UNSIGNED_INT_24_8_EXT                                0x84FA
       
   564 #define GL_DEPTH24_STENCIL8_EXT                                 0x88F0
       
   565 #define GL_TEXTURE_STENCIL_SIZE_EXT                             0x88F1
       
   566 #endif
       
   567 
       
   568 // ### hm. should be part of the GL 1.2 spec..
       
   569 #ifndef GL_CLAMP_TO_EDGE
       
   570 #define GL_CLAMP_TO_EDGE                  0x812F
       
   571 #endif
       
   572 
       
   573 #ifndef GL_VERSION_1_2
       
   574 #define GL_PACK_SKIP_IMAGES               0x806B
       
   575 #define GL_PACK_IMAGE_HEIGHT              0x806C
       
   576 #define GL_UNPACK_SKIP_IMAGES             0x806D
       
   577 #define GL_UNPACK_IMAGE_HEIGHT            0x806E
       
   578 #endif
       
   579 
       
   580 #ifndef GL_VERSION_1_4
       
   581 #define GL_CONSTANT_COLOR 0x8001
       
   582 #define GL_ONE_MINUS_CONSTANT_COLOR 0x8002
       
   583 #define GL_CONSTANT_ALPHA 0x8003
       
   584 #define GL_ONE_MINUS_CONSTANT_ALPHA 0x8004
       
   585 #define GL_INCR_WRAP 0x8507
       
   586 #define GL_DECR_WRAP 0x8508
       
   587 #endif
       
   588 
       
   589 #ifndef GL_VERSION_2_0
       
   590 #define GL_FRAGMENT_SHADER 0x8B30
       
   591 #define GL_VERTEX_SHADER 0x8B31
       
   592 #define GL_FLOAT_VEC2 0x8B50
       
   593 #define GL_FLOAT_VEC3 0x8B51
       
   594 #define GL_FLOAT_VEC4 0x8B52
       
   595 #define GL_INT_VEC2 0x8B53
       
   596 #define GL_INT_VEC3 0x8B54
       
   597 #define GL_INT_VEC4 0x8B55
       
   598 #define GL_BOOL 0x8B56
       
   599 #define GL_BOOL_VEC2 0x8B57
       
   600 #define GL_BOOL_VEC3 0x8B58
       
   601 #define GL_BOOL_VEC4 0x8B59
       
   602 #define GL_FLOAT_MAT2 0x8B5A
       
   603 #define GL_FLOAT_MAT3 0x8B5B
       
   604 #define GL_FLOAT_MAT4 0x8B5C
       
   605 #define GL_SAMPLER_1D 0x8B5D
       
   606 #define GL_SAMPLER_2D 0x8B5E
       
   607 #define GL_SAMPLER_3D 0x8B5F
       
   608 #define GL_SAMPLER_CUBE 0x8B60
       
   609 #define GL_COMPILE_STATUS 0x8B81
       
   610 #define GL_LINK_STATUS 0x8B82
       
   611 #define GL_INFO_LOG_LENGTH 0x8B84
       
   612 #define GL_ACTIVE_UNIFORMS 0x8B86
       
   613 #define GL_ACTIVE_UNIFORM_MAX_LENGTH 0x8B87
       
   614 #define GL_ACTIVE_ATTRIBUTES 0x8B89
       
   615 #define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH 0x8B8A
       
   616 #endif
       
   617 
       
   618 
       
   619 #if !defined(QT_OPENGL_ES_2)
       
   620 #define glProgramStringARB QGLContextPrivate::extensionFuncs(ctx).qt_glProgramStringARB
       
   621 #define glBindProgramARB QGLContextPrivate::extensionFuncs(ctx).qt_glBindProgramARB
       
   622 #define glDeleteProgramsARB QGLContextPrivate::extensionFuncs(ctx).qt_glDeleteProgramsARB
       
   623 #define glGenProgramsARB QGLContextPrivate::extensionFuncs(ctx).qt_glGenProgramsARB
       
   624 #define glProgramLocalParameter4fvARB QGLContextPrivate::extensionFuncs(ctx).qt_glProgramLocalParameter4fvARB
       
   625 
       
   626 #define glActiveStencilFaceEXT QGLContextPrivate::extensionFuncs(ctx).qt_glActiveStencilFaceEXT
       
   627 
       
   628 #define glMultiTexCoord4f QGLContextPrivate::extensionFuncs(ctx).qt_glMultiTexCoord4f
       
   629 
       
   630 #define glActiveTexture QGLContextPrivate::extensionFuncs(ctx).qt_glActiveTexture
       
   631 #endif // !defined(QT_OPENGL_ES_2)
       
   632 
       
   633 
       
   634 // FBOs
       
   635 #if !defined(QT_OPENGL_ES_2)
       
   636 #define glIsRenderbuffer QGLContextPrivate::extensionFuncs(ctx).qt_glIsRenderbuffer
       
   637 #define glBindRenderbuffer QGLContextPrivate::extensionFuncs(ctx).qt_glBindRenderbuffer
       
   638 #define glDeleteRenderbuffers QGLContextPrivate::extensionFuncs(ctx).qt_glDeleteRenderbuffers
       
   639 #define glGenRenderbuffers QGLContextPrivate::extensionFuncs(ctx).qt_glGenRenderbuffers
       
   640 #define glRenderbufferStorage QGLContextPrivate::extensionFuncs(ctx).qt_glRenderbufferStorage
       
   641 #define glGetRenderbufferParameteriv QGLContextPrivate::extensionFuncs(ctx).qt_glGetRenderbufferParameteriv
       
   642 #define glIsFramebuffer QGLContextPrivate::extensionFuncs(ctx).qt_glIsFramebuffer
       
   643 #define glBindFramebuffer QGLContextPrivate::extensionFuncs(ctx).qt_glBindFramebuffer
       
   644 #define glDeleteFramebuffers QGLContextPrivate::extensionFuncs(ctx).qt_glDeleteFramebuffers
       
   645 #define glGenFramebuffers QGLContextPrivate::extensionFuncs(ctx).qt_glGenFramebuffers
       
   646 #define glCheckFramebufferStatus QGLContextPrivate::extensionFuncs(ctx).qt_glCheckFramebufferStatus
       
   647 #define glFramebufferTexture2D QGLContextPrivate::extensionFuncs(ctx).qt_glFramebufferTexture2D
       
   648 #define glFramebufferRenderbuffer QGLContextPrivate::extensionFuncs(ctx).qt_glFramebufferRenderbuffer
       
   649 #define glGetFramebufferAttachmentParameteriv QGLContextPrivate::extensionFuncs(ctx).qt_glGetFramebufferAttachmentParameteriv
       
   650 #define glGenerateMipmap QGLContextPrivate::extensionFuncs(ctx).qt_glGenerateMipmap
       
   651 #endif // QT_OPENGL_ES_2
       
   652 #define glBlitFramebufferEXT QGLContextPrivate::extensionFuncs(ctx).qt_glBlitFramebufferEXT
       
   653 #define glRenderbufferStorageMultisampleEXT QGLContextPrivate::extensionFuncs(ctx).qt_glRenderbufferStorageMultisampleEXT
       
   654 
       
   655 
       
   656 // Buffer objects
       
   657 #if !defined(QT_OPENGL_ES_2)
       
   658 #define glBindBuffer QGLContextPrivate::extensionFuncs(ctx).qt_glBindBuffer
       
   659 #define glDeleteBuffers QGLContextPrivate::extensionFuncs(ctx).qt_glDeleteBuffers
       
   660 #define glGenBuffers QGLContextPrivate::extensionFuncs(ctx).qt_glGenBuffers
       
   661 #define glBufferData QGLContextPrivate::extensionFuncs(ctx).qt_glBufferData
       
   662 #endif
       
   663 #define glMapBufferARB QGLContextPrivate::extensionFuncs(ctx).qt_glMapBufferARB
       
   664 #define glUnmapBufferARB QGLContextPrivate::extensionFuncs(ctx).qt_glUnmapBufferARB
       
   665 
       
   666 
       
   667 // GLSL
       
   668 #if !defined(QT_OPENGL_ES_2)
       
   669 
       
   670 #define glCreateShader QGLContextPrivate::extensionFuncs(ctx).qt_glCreateShader
       
   671 #define glShaderSource QGLContextPrivate::extensionFuncs(ctx).qt_glShaderSource
       
   672 #define glShaderBinary QGLContextPrivate::extensionFuncs(ctx).qt_glShaderBinary
       
   673 #define glCompileShader QGLContextPrivate::extensionFuncs(ctx).qt_glCompileShader
       
   674 #define glDeleteShader QGLContextPrivate::extensionFuncs(ctx).qt_glDeleteShader
       
   675 #define glIsShader QGLContextPrivate::extensionFuncs(ctx).qt_glIsShader
       
   676 
       
   677 #define glCreateProgram QGLContextPrivate::extensionFuncs(ctx).qt_glCreateProgram
       
   678 #define glAttachShader QGLContextPrivate::extensionFuncs(ctx).qt_glAttachShader
       
   679 #define glDetachShader QGLContextPrivate::extensionFuncs(ctx).qt_glDetachShader
       
   680 #define glLinkProgram QGLContextPrivate::extensionFuncs(ctx).qt_glLinkProgram
       
   681 #define glUseProgram QGLContextPrivate::extensionFuncs(ctx).qt_glUseProgram
       
   682 #define glDeleteProgram QGLContextPrivate::extensionFuncs(ctx).qt_glDeleteProgram
       
   683 #define glIsProgram QGLContextPrivate::extensionFuncs(ctx).qt_glIsProgram
       
   684 
       
   685 #define glGetShaderInfoLog QGLContextPrivate::extensionFuncs(ctx).qt_glGetShaderInfoLog
       
   686 #define glGetShaderiv QGLContextPrivate::extensionFuncs(ctx).qt_glGetShaderiv
       
   687 #define glGetShaderSource QGLContextPrivate::extensionFuncs(ctx).qt_glGetShaderSource
       
   688 #define glGetProgramiv QGLContextPrivate::extensionFuncs(ctx).qt_glGetProgramiv
       
   689 #define glGetProgramInfoLog QGLContextPrivate::extensionFuncs(ctx).qt_glGetProgramInfoLog
       
   690 
       
   691 #define glGetUniformLocation QGLContextPrivate::extensionFuncs(ctx).qt_glGetUniformLocation
       
   692 #define glUniform4fv QGLContextPrivate::extensionFuncs(ctx).qt_glUniform4fv
       
   693 #define glUniform3fv QGLContextPrivate::extensionFuncs(ctx).qt_glUniform3fv
       
   694 #define glUniform2fv QGLContextPrivate::extensionFuncs(ctx).qt_glUniform2fv
       
   695 #define glUniform1fv QGLContextPrivate::extensionFuncs(ctx).qt_glUniform1fv
       
   696 #define glUniform1i QGLContextPrivate::extensionFuncs(ctx).qt_glUniform1i
       
   697 #define glUniform1iv QGLContextPrivate::extensionFuncs(ctx).qt_glUniform1iv
       
   698 #define glUniformMatrix2fv QGLContextPrivate::extensionFuncs(ctx).qt_glUniformMatrix2fv
       
   699 #define glUniformMatrix3fv QGLContextPrivate::extensionFuncs(ctx).qt_glUniformMatrix3fv
       
   700 #define glUniformMatrix4fv QGLContextPrivate::extensionFuncs(ctx).qt_glUniformMatrix4fv
       
   701 #define glUniformMatrix2x3fv QGLContextPrivate::extensionFuncs(ctx).qt_glUniformMatrix2x3fv
       
   702 #define glUniformMatrix2x4fv QGLContextPrivate::extensionFuncs(ctx).qt_glUniformMatrix2x4fv
       
   703 #define glUniformMatrix3x2fv QGLContextPrivate::extensionFuncs(ctx).qt_glUniformMatrix3x2fv
       
   704 #define glUniformMatrix3x4fv QGLContextPrivate::extensionFuncs(ctx).qt_glUniformMatrix3x4fv
       
   705 #define glUniformMatrix4x2fv QGLContextPrivate::extensionFuncs(ctx).qt_glUniformMatrix4x2fv
       
   706 #define glUniformMatrix4x3fv QGLContextPrivate::extensionFuncs(ctx).qt_glUniformMatrix4x3fv
       
   707 
       
   708 #define glBindAttribLocation QGLContextPrivate::extensionFuncs(ctx).qt_glBindAttribLocation
       
   709 #define glGetAttribLocation QGLContextPrivate::extensionFuncs(ctx).qt_glGetAttribLocation
       
   710 #define glVertexAttrib1fv QGLContextPrivate::extensionFuncs(ctx).qt_glVertexAttrib1fv
       
   711 #define glVertexAttrib2fv QGLContextPrivate::extensionFuncs(ctx).qt_glVertexAttrib2fv
       
   712 #define glVertexAttrib3fv QGLContextPrivate::extensionFuncs(ctx).qt_glVertexAttrib3fv
       
   713 #define glVertexAttrib4fv QGLContextPrivate::extensionFuncs(ctx).qt_glVertexAttrib4fv
       
   714 #define glVertexAttribPointer QGLContextPrivate::extensionFuncs(ctx).qt_glVertexAttribPointer
       
   715 #define glDisableVertexAttribArray QGLContextPrivate::extensionFuncs(ctx).qt_glDisableVertexAttribArray
       
   716 #define glEnableVertexAttribArray QGLContextPrivate::extensionFuncs(ctx).qt_glEnableVertexAttribArray
       
   717 
       
   718 #else // QT_OPENGL_ES_2
       
   719 
       
   720 #define glGetProgramBinaryOES QGLContextPrivate::extensionFuncs(ctx).qt_glGetProgramBinaryOES
       
   721 #define glProgramBinaryOES QGLContextPrivate::extensionFuncs(ctx).qt_glProgramBinaryOES
       
   722 
       
   723 #endif // QT_OPENGL_ES_2
       
   724 
       
   725 
       
   726 #if !defined(QT_OPENGL_ES_2)
       
   727 #define glStencilOpSeparate QGLContextPrivate::extensionFuncs(ctx).qt_glStencilOpSeparate
       
   728 #define glBlendColor QGLContextPrivate::extensionFuncs(ctx).qt_glBlendColor
       
   729 #endif
       
   730 
       
   731 #if defined(QT_OPENGL_ES_2)
       
   732 #define glClearDepth glClearDepthf
       
   733 #endif
       
   734 
       
   735 extern bool qt_resolve_framebufferobject_extensions(QGLContext *ctx);
       
   736 bool qt_resolve_buffer_extensions(QGLContext *ctx);
       
   737 
       
   738 bool qt_resolve_version_1_3_functions(QGLContext *ctx);
       
   739 bool qt_resolve_version_2_0_functions(QGLContext *ctx);
       
   740 bool qt_resolve_stencil_face_extension(QGLContext *ctx);
       
   741 bool qt_resolve_frag_program_extensions(QGLContext *ctx);
       
   742 
       
   743 bool qt_resolve_glsl_extensions(QGLContext *ctx);
       
   744 
       
   745 QT_END_NAMESPACE
       
   746 
       
   747 #endif // QGL_EXTENSIONS_P_H