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glext.cpp
资源名称：celestia-1.6.0.tar.gz　[点击查看]
上传用户：center1979
上传日期：2022-07-26
资源大小：50633k
文件大小：52k
源码类别：

OpenGL

开发平台：

Visual C++

glext.cpp：源码内容
  1. // glext.cpp
  2. //
  3. // Copyright (C) 2001, Chris Laurel <claurel@shatters.net>
  4. //
  5. // This program is free software; you can redistribute it and/or
  6. // modify it under the terms of the GNU General Public License
  7. // as published by the Free Software Foundation; either version 2
  8. // of the License, or (at your option) any later version.
  10. #include <string.h>
  11. #include "gl.h"
  13. #ifndef _WIN32
  14. // Assume that this is a UNIX/X11 system if it's not Windows or Mac OS X.
  15. #ifndef TARGET_OS_MAC
  16. #include "GL/glx.h"
  17. #include <dlfcn.h>
  18. #endif /* ! TARGET_OS_MAC */
  19. #endif /* ! _WIN32 */
  21. #include "glext.h"
  23. // ARB_texture_compression
  24. glx::PFNGLCOMPRESSEDTEXIMAGE3DARBPROC glx::glCompressedTexImage3DARB;
  25. glx::PFNGLCOMPRESSEDTEXIMAGE2DARBPROC glx::glCompressedTexImage2DARB;
  26. glx::PFNGLCOMPRESSEDTEXIMAGE1DARBPROC glx::glCompressedTexImage1DARB;
  27. glx::PFNGLCOMPRESSEDTEXSUBIMAGE3DARBPROC glx::glCompressedTexSubImage3DARB;
  28. glx::PFNGLCOMPRESSEDTEXSUBIMAGE2DARBPROC glx::glCompressedTexSubImage2DARB;
  29. glx::PFNGLCOMPRESSEDTEXSUBIMAGE1DARBPROC glx::glCompressedTexSubImage1DARB;
  31. // ARB_multitexture command function pointers
  32. glx::PFNGLMULTITEXCOORD2IARBPROC glx::glMultiTexCoord2iARB;
  33. glx::PFNGLMULTITEXCOORD2FARBPROC glx::glMultiTexCoord2fARB;
  34. glx::PFNGLMULTITEXCOORD3FARBPROC glx::glMultiTexCoord3fARB;
  35. glx::PFNGLMULTITEXCOORD3FVARBPROC glx::glMultiTexCoord3fvARB;
  36. glx::PFNGLACTIVETEXTUREARBPROC glx::glActiveTextureARB;
  37. glx::PFNGLCLIENTACTIVETEXTUREARBPROC glx::glClientActiveTextureARB;
  39. // NV_register_combiners command function pointers
  40. glx::PFNGLCOMBINERPARAMETERFVNVPROC glx::glCombinerParameterfvNV;
  41. glx::PFNGLCOMBINERPARAMETERIVNVPROC glx::glCombinerParameterivNV;
  42. glx::PFNGLCOMBINERPARAMETERFNVPROC glx::glCombinerParameterfNV;
  43. glx::PFNGLCOMBINERPARAMETERINVPROC glx::glCombinerParameteriNV;
  44. glx::PFNGLCOMBINERINPUTNVPROC glx::glCombinerInputNV;
  45. glx::PFNGLCOMBINEROUTPUTNVPROC glx::glCombinerOutputNV;
  46. glx::PFNGLFINALCOMBINERINPUTNVPROC glx::glFinalCombinerInputNV;
  47. glx::PFNGLGETCOMBINERINPUTPARAMETERFVNVPROC glx::glGetCombinerInputParameterfvNV;
  48. glx::PFNGLGETCOMBINERINPUTPARAMETERIVNVPROC glx::glGetCombinerInputParameterivNV;
  49. glx::PFNGLGETCOMBINEROUTPUTPARAMETERFVNVPROC glx::glGetCombinerOutputParameterfvNV;
  50. glx::PFNGLGETCOMBINEROUTPUTPARAMETERIVNVPROC glx::glGetCombinerOutputParameterivNV;
  51. glx::PFNGLGETFINALCOMBINERINPUTPARAMETERFVNVPROC glx::glGetFinalCombinerInputParameterfvNV;
  52. glx::PFNGLGETFINALCOMBINERINPUTPARAMETERIVNVPROC glx::glGetFinalCombinerInputParameterivNV;
  54. // NV_register_combiners2 command function pointers
  55. glx::PFNGLCOMBINERSTAGEPARAMETERFVNVPROC glx::glCombinerStageParameterfvNV;
  56. glx::PFNGLGETCOMBINERSTAGEPARAMETERFVNVPROC glx::glGetCombinerStageParameterfvNV;
  58. // NV_vertex_program function pointers
  59. glx::PFNGLAREPROGRAMSRESIDENTNVPROC glx::glAreProgramsResidentNV ;
  60. glx::PFNGLBINDPROGRAMNVPROC glx::glBindProgramNV ;
  61. glx::PFNGLDELETEPROGRAMSNVPROC glx::glDeleteProgramsNV ;
  62. glx::PFNGLEXECUTEPROGRAMNVPROC glx::glExecuteProgramNV ;
  63. glx::PFNGLGENPROGRAMSNVPROC glx::glGenProgramsNV ;
  64. glx::PFNGLGETPROGRAMPARAMETERDVNVPROC glx::glGetProgramParameterdvNV ;
  65. glx::PFNGLGETPROGRAMPARAMETERFVNVPROC glx::glGetProgramParameterfvNV ;
  66. glx::PFNGLGETPROGRAMIVNVPROC glx::glGetProgramivNV ;
  67. glx::PFNGLGETPROGRAMSTRINGNVPROC glx::glGetProgramStringNV ;
  68. glx::PFNGLGETTRACKMATRIXIVNVPROC glx::glGetTrackMatrixivNV ;
  69. glx::PFNGLGETVERTEXATTRIBDVNVPROC glx::glGetVertexAttribdvNV ;
  70. glx::PFNGLGETVERTEXATTRIBFVNVPROC glx::glGetVertexAttribfvNV ;
  71. glx::PFNGLGETVERTEXATTRIBIVNVPROC glx::glGetVertexAttribivNV ;
  72. glx::PFNGLGETVERTEXATTRIBPOINTERVNVPROC glx::glGetVertexAttribPointervNV ;
  73. glx::PFNGLISPROGRAMNVPROC glx::glIsProgramNV ;
  74. glx::PFNGLLOADPROGRAMNVPROC glx::glLoadProgramNV ;
  75. glx::PFNGLPROGRAMPARAMETER4DNVPROC glx::glProgramParameter4dNV ;
  76. glx::PFNGLPROGRAMPARAMETER4DVNVPROC glx::glProgramParameter4dvNV ;
  77. glx::PFNGLPROGRAMPARAMETER4FNVPROC glx::glProgramParameter4fNV ;
  78. glx::PFNGLPROGRAMPARAMETER4FVNVPROC glx::glProgramParameter4fvNV ;
  79. glx::PFNGLPROGRAMPARAMETERS4DVNVPROC glx::glProgramParameters4dvNV ;
  80. glx::PFNGLPROGRAMPARAMETERS4FVNVPROC glx::glProgramParameters4fvNV ;
  81. glx::PFNGLREQUESTRESIDENTPROGRAMSNVPROC glx::glRequestResidentProgramsNV ;
  82. glx::PFNGLTRACKMATRIXNVPROC glx::glTrackMatrixNV ;
  83. glx::PFNGLVERTEXATTRIBPOINTERNVPROC glx::glVertexAttribPointerNV ;
  84. glx::PFNGLVERTEXATTRIB1DNVPROC glx::glVertexAttrib1dNV ;
  85. glx::PFNGLVERTEXATTRIB1DVNVPROC glx::glVertexAttrib1dvNV ;
  86. glx::PFNGLVERTEXATTRIB1FNVPROC glx::glVertexAttrib1fNV ;
  87. glx::PFNGLVERTEXATTRIB1FVNVPROC glx::glVertexAttrib1fvNV ;
  88. glx::PFNGLVERTEXATTRIB1SNVPROC glx::glVertexAttrib1sNV ;
  89. glx::PFNGLVERTEXATTRIB1SVNVPROC glx::glVertexAttrib1svNV ;
  90. glx::PFNGLVERTEXATTRIB2DNVPROC glx::glVertexAttrib2dNV ;
  91. glx::PFNGLVERTEXATTRIB2DVNVPROC glx::glVertexAttrib2dvNV ;
  92. glx::PFNGLVERTEXATTRIB2FNVPROC glx::glVertexAttrib2fNV ;
  93. glx::PFNGLVERTEXATTRIB2FVNVPROC glx::glVertexAttrib2fvNV ;
  94. glx::PFNGLVERTEXATTRIB2SNVPROC glx::glVertexAttrib2sNV ;
  95. glx::PFNGLVERTEXATTRIB2SVNVPROC glx::glVertexAttrib2svNV ;
  96. glx::PFNGLVERTEXATTRIB3DNVPROC glx::glVertexAttrib3dNV ;
  97. glx::PFNGLVERTEXATTRIB3DVNVPROC glx::glVertexAttrib3dvNV ;
  98. glx::PFNGLVERTEXATTRIB3FNVPROC glx::glVertexAttrib3fNV ;
  99. glx::PFNGLVERTEXATTRIB3FVNVPROC glx::glVertexAttrib3fvNV ;
  100. glx::PFNGLVERTEXATTRIB3SNVPROC glx::glVertexAttrib3sNV ;
  101. glx::PFNGLVERTEXATTRIB3SVNVPROC glx::glVertexAttrib3svNV ;
  102. glx::PFNGLVERTEXATTRIB4DNVPROC glx::glVertexAttrib4dNV ;
  103. glx::PFNGLVERTEXATTRIB4DVNVPROC glx::glVertexAttrib4dvNV ;
  104. glx::PFNGLVERTEXATTRIB4FNVPROC glx::glVertexAttrib4fNV ;
  105. glx::PFNGLVERTEXATTRIB4FVNVPROC glx::glVertexAttrib4fvNV ;
  106. glx::PFNGLVERTEXATTRIB4SNVPROC glx::glVertexAttrib4sNV ;
  107. glx::PFNGLVERTEXATTRIB4SVNVPROC glx::glVertexAttrib4svNV ;
  108. glx::PFNGLVERTEXATTRIB4UBVNVPROC glx::glVertexAttrib4ubvNV ;
  109. glx::PFNGLVERTEXATTRIBS1DVNVPROC glx::glVertexAttribs1dvNV ;
  110. glx::PFNGLVERTEXATTRIBS1FVNVPROC glx::glVertexAttribs1fvNV ;
  111. glx::PFNGLVERTEXATTRIBS1SVNVPROC glx::glVertexAttribs1svNV ;
  112. glx::PFNGLVERTEXATTRIBS2DVNVPROC glx::glVertexAttribs2dvNV ;
  113. glx::PFNGLVERTEXATTRIBS2FVNVPROC glx::glVertexAttribs2fvNV ;
  114. glx::PFNGLVERTEXATTRIBS2SVNVPROC glx::glVertexAttribs2svNV ;
  115. glx::PFNGLVERTEXATTRIBS3DVNVPROC glx::glVertexAttribs3dvNV ;
  116. glx::PFNGLVERTEXATTRIBS3FVNVPROC glx::glVertexAttribs3fvNV ;
  117. glx::PFNGLVERTEXATTRIBS3SVNVPROC glx::glVertexAttribs3svNV ;
  118. glx::PFNGLVERTEXATTRIBS4DVNVPROC glx::glVertexAttribs4dvNV ;
  119. glx::PFNGLVERTEXATTRIBS4FVNVPROC glx::glVertexAttribs4fvNV ;
  120. glx::PFNGLVERTEXATTRIBS4SVNVPROC glx::glVertexAttribs4svNV ;
  121. glx::PFNGLVERTEXATTRIBS4UBVNVPROC glx::glVertexAttribs4ubvNV ;
  123. // EXT_paletted_texture command function pointers
  124. glx::PFNGLCOLORTABLEEXTPROC glx::glColorTableEXT;
  126. // EXT_blend_minmax command function pointers
  127. glx::PFNGLBLENDEQUATIONEXTPROC glx::glBlendEquationEXT;
  129. // WGL_EXT_swap_control command function pointers
  130. glx::PFNWGLSWAPINTERVALEXTPROC glx::wglSwapIntervalEXT;
  131. glx::PFNWGLGETSWAPINTERVALEXTPROC glx::wglGetSwapIntervalEXT;
  133. // GLX_SGI_video_sync command function pointers
  134. glx::PFNGLXGETVIDEOSYNCSGIPROC glx::glXGetVideoSyncSGI;
  135. glx::PFNGLXWAITVIDEOSYNCSGIPROC glx::glXWaitVideoSyncSGI;
  136. glx::PFNGLXGETREFRESHRATESGIPROC glx::glXGetRefreshRateSGI;
  138. // ARB_vertex_program function pointers
  139. glx::PFNGLBINDPROGRAMARBPROC glx::glBindProgramARB;
  140. glx::PFNGLDELETEPROGRAMSARBPROC glx::glDeleteProgramsARB;
  141. glx::PFNGLGENPROGRAMSARBPROC glx::glGenProgramsARB;
  142. glx::PFNGLISPROGRAMARBPROC glx::glIsProgramARB;
  143. glx::PFNGLVERTEXATTRIB1SARBPROC glx::glVertexAttrib1sARB;
  144. glx::PFNGLVERTEXATTRIB1FARBPROC glx::glVertexAttrib1fARB;
  145. glx::PFNGLVERTEXATTRIB1DARBPROC glx::glVertexAttrib1dARB;
  146. glx::PFNGLVERTEXATTRIB2SARBPROC glx::glVertexAttrib2sARB;
  147. glx::PFNGLVERTEXATTRIB2FARBPROC glx::glVertexAttrib2fARB;
  148. glx::PFNGLVERTEXATTRIB2DARBPROC glx::glVertexAttrib2dARB;
  149. glx::PFNGLVERTEXATTRIB3SARBPROC glx::glVertexAttrib3sARB;
  150. glx::PFNGLVERTEXATTRIB3FARBPROC glx::glVertexAttrib3fARB;
  151. glx::PFNGLVERTEXATTRIB3DARBPROC glx::glVertexAttrib3dARB;
  152. glx::PFNGLVERTEXATTRIB4SARBPROC glx::glVertexAttrib4sARB;
  153. glx::PFNGLVERTEXATTRIB4FARBPROC glx::glVertexAttrib4fARB;
  154. glx::PFNGLVERTEXATTRIB4DARBPROC glx::glVertexAttrib4dARB;
  155. glx::PFNGLVERTEXATTRIB4NUBARBPROC glx::glVertexAttrib4NubARB;
  156. glx::PFNGLVERTEXATTRIB1SVARBPROC glx::glVertexAttrib1svARB;
  157. glx::PFNGLVERTEXATTRIB1FVARBPROC glx::glVertexAttrib1fvARB;
  158. glx::PFNGLVERTEXATTRIB1DVARBPROC glx::glVertexAttrib1dvARB;
  159. glx::PFNGLVERTEXATTRIB2SVARBPROC glx::glVertexAttrib2svARB;
  160. glx::PFNGLVERTEXATTRIB2FVARBPROC glx::glVertexAttrib2fvARB;
  161. glx::PFNGLVERTEXATTRIB2DVARBPROC glx::glVertexAttrib2dvARB;
  162. glx::PFNGLVERTEXATTRIB3SVARBPROC glx::glVertexAttrib3svARB;
  163. glx::PFNGLVERTEXATTRIB3FVARBPROC glx::glVertexAttrib3fvARB;
  164. glx::PFNGLVERTEXATTRIB3DVARBPROC glx::glVertexAttrib3dvARB;
  165. glx::PFNGLVERTEXATTRIB4BVARBPROC glx::glVertexAttrib4bvARB;
  166. glx::PFNGLVERTEXATTRIB4SVARBPROC glx::glVertexAttrib4svARB;
  167. glx::PFNGLVERTEXATTRIB4IVARBPROC glx::glVertexAttrib4ivARB;
  168. glx::PFNGLVERTEXATTRIB4UBVARBPROC glx::glVertexAttrib4ubvARB;
  169. glx::PFNGLVERTEXATTRIB4USVARBPROC glx::glVertexAttrib4usvARB;
  170. glx::PFNGLVERTEXATTRIB4UIVARBPROC glx::glVertexAttrib4uivARB;
  171. glx::PFNGLVERTEXATTRIB4FVARBPROC glx::glVertexAttrib4fvARB;
  172. glx::PFNGLVERTEXATTRIB4DVARBPROC glx::glVertexAttrib4dvARB;
  173. glx::PFNGLVERTEXATTRIB4NBVARBPROC glx::glVertexAttrib4NbvARB;
  174. glx::PFNGLVERTEXATTRIB4NSVARBPROC glx::glVertexAttrib4NsvARB;
  175. glx::PFNGLVERTEXATTRIB4NIVARBPROC glx::glVertexAttrib4NivARB;
  176. glx::PFNGLVERTEXATTRIB4NUBVARBPROC glx::glVertexAttrib4NubvARB;
  177. glx::PFNGLVERTEXATTRIB4NUSVARBPROC glx::glVertexAttrib4NusvARB;
  178. glx::PFNGLVERTEXATTRIB4NUIVARBPROC glx::glVertexAttrib4NuivARB;
  179. glx::PFNGLVERTEXATTRIBPOINTERARBPROC glx::glVertexAttribPointerARB;
  180. glx::PFNGLENABLEVERTEXATTRIBARRAYARBPROC glx::glEnableVertexAttribArrayARB;
  181. glx::PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glx::glDisableVertexAttribArrayARB;
  182. glx::PFNGLGETVERTEXATTRIBDVARBPROC glx::glGetVertexAttribdvARB;
  183. glx::PFNGLGETVERTEXATTRIBFVARBPROC glx::glGetVertexAttribfvARB;
  184. glx::PFNGLGETVERTEXATTRIBIVARBPROC glx::glGetVertexAttribivARB;
  185. glx::PFNGLGETVERTEXATTRIBPOINTERVARBPROC glx::glGetVertexAttribPointervARB;
  186. glx::PFNGLPROGRAMENVPARAMETER4DARBPROC glx::glProgramEnvParameter4dARB;
  187. glx::PFNGLPROGRAMENVPARAMETER4DVARBPROC glx::glProgramEnvParameter4dvARB;
  188. glx::PFNGLPROGRAMENVPARAMETER4FARBPROC glx::glProgramEnvParameter4fARB;
  189. glx::PFNGLPROGRAMENVPARAMETER4FVARBPROC glx::glProgramEnvParameter4fvARB;
  190. glx::PFNGLPROGRAMLOCALPARAMETER4DARBPROC glx::glProgramLocalParameter4dARB;
  191. glx::PFNGLPROGRAMLOCALPARAMETER4DVARBPROC glx::glProgramLocalParameter4dvARB;
  192. glx::PFNGLPROGRAMLOCALPARAMETER4FARBPROC glx::glProgramLocalParameter4fARB;
  193. glx::PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glx::glProgramLocalParameter4fvARB;
  194. glx::PFNGLGETPROGRAMENVPARAMETERDVARBPROC glx::glGetProgramEnvParameterdvARB;
  195. glx::PFNGLGETPROGRAMENVPARAMETERFVARBPROC glx::glGetProgramEnvParameterfvARB;
  196. glx::PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC glx::glGetProgramLocalParameterdvARB;
  197. glx::PFNGLGETPROGRAMLOCALPARAMETERFVARBPROC glx::glGetProgramLocalParameterfvARB;
  198. glx::PFNGLPROGRAMSTRINGARBPROC glx::glProgramStringARB;
  199. glx::PFNGLGETPROGRAMSTRINGARBPROC glx::glGetProgramStringARB;
  200. glx::PFNGLGETPROGRAMIVARBPROC glx::glGetProgramivARB;
  202. // NV_fragment_program function pointers
  203. glx::PFNGLPROGRAMNAMEDPARAMETER4FNVPROC    glx::glProgramNamedParameter4fNV;
  204. glx::PFNGLPROGRAMNAMEDPARAMETER4DNVPROC    glx::glProgramNamedParameter4dNV;
  205. glx::PFNGLPROGRAMNAMEDPARAMETER4FVNVPROC   glx::glProgramNamedParameter4fvNV;
  206. glx::PFNGLPROGRAMNAMEDPARAMETER4DVNVPROC   glx::glProgramNamedParameter4dvNV;
  207. glx::PFNGLGETPROGRAMNAMEDPARAMETERFVNVPROC glx::glGetProgramNamedParameterfvNV;
  208. glx::PFNGLGETPROGRAMNAMEDPARAMETERDVNVPROC glx::glGetProgramNamedParameterdvNV;
  209. glx::PFNGLPROGRAMLOCALPARAMETER4FNVPROC    glx::glProgramLocalParameter4fNV;
  210. glx::PFNGLPROGRAMLOCALPARAMETER4DNVPROC    glx::glProgramLocalParameter4dNV;
  211. glx::PFNGLPROGRAMLOCALPARAMETER4FVNVPROC   glx::glProgramLocalParameter4fvNV;
  212. glx::PFNGLPROGRAMLOCALPARAMETER4DVNVPROC   glx::glProgramLocalParameter4dvNV;
  213. glx::PFNGLGETPROGRAMLOCALPARAMETERFVNVPROC glx::glGetProgramLocalParameterfvNV;
  214. glx::PFNGLGETPROGRAMLOCALPARAMETERDVNVPROC glx::glGetProgramLocalParameterdvNV;
  216. // ARB_vertex_buffer_object function pointers
  217. glx::PFNGLBINDBUFFERARBPROC                glx::glBindBufferARB;
  218. glx::PFNGLDELETEBUFFERSARBPROC             glx::glDeleteBuffersARB;
  219. glx::PFNGLGENBUFFERSARBPROC                glx::glGenBuffersARB;
  220. glx::PFNGLISBUFFERARBPROC                  glx::glIsBufferARB;
  221. glx::PFNGLBUFFERDATAARBPROC                glx::glBufferDataARB;
  222. glx::PFNGLBUFFERSUBDATAARBPROC             glx::glBufferSubDataARB;
  223. glx::PFNGLGETBUFFERSUBDATAARBPROC          glx::glGetBufferSubDataARB;
  224. glx::PFNGLMAPBUFFERARBPROC                 glx::glMapBufferARB;
  225. glx::PFNGLUNMAPBUFFERARBPROC               glx::glUnmapBufferARB;
  226. glx::PFNGLGETBUFFERPARAMETERIVARBPROC      glx::glGetBufferParameterivARB;
  227. glx::PFNGLGETBUFFERPOINTERVARBPROC         glx::glGetBufferPointervARB;
  229. // ARB_vertex_shader function pointers
  230. glx::PFNGLBINDATTRIBLOCATIONARBPROC        glx::glBindAttribLocationARB;
  231. glx::PFNGLGETACTIVEATTRIBARBPROC           glx::glGetActiveAttribARB;
  232. glx::PFNGLGETATTRIBLOCATIONARBPROC         glx::glGetAttribLocationARB;
  234. // ARB_shader_objects function pointers
  235. glx::PFNGLDELETEOBJECTARBPROC              glx::glDeleteObjectARB;
  236. glx::PFNGLGETHANDLEARBPROC                 glx::glGetHandleARB;
  237. glx::PFNGLDETACHOBJECTARBPROC              glx::glDetachObjectARB;
  238. glx::PFNGLCREATESHADEROBJECTARBPROC        glx::glCreateShaderObjectARB;
  239. glx::PFNGLSHADERSOURCEARBPROC              glx::glShaderSourceARB;
  240. glx::PFNGLCOMPILESHADERARBPROC             glx::glCompileShaderARB;
  241. glx::PFNGLCREATEPROGRAMOBJECTARBPROC       glx::glCreateProgramObjectARB;
  242. glx::PFNGLATTACHOBJECTARBPROC              glx::glAttachObjectARB;
  243. glx::PFNGLLINKPROGRAMARBPROC               glx::glLinkProgramARB;
  244. glx::PFNGLUSEPROGRAMOBJECTARBPROC          glx::glUseProgramObjectARB;
  245. glx::PFNGLVALIDATEPROGRAMARBPROC           glx::glValidateProgramARB;
  246. glx::PFNGLUNIFORM1FARBPROC                 glx::glUniform1fARB;
  247. glx::PFNGLUNIFORM2FARBPROC                 glx::glUniform2fARB;
  248. glx::PFNGLUNIFORM3FARBPROC                 glx::glUniform3fARB;
  249. glx::PFNGLUNIFORM4FARBPROC                 glx::glUniform4fARB;
  250. glx::PFNGLUNIFORM1IARBPROC                 glx::glUniform1iARB;
  251. glx::PFNGLUNIFORM2IARBPROC                 glx::glUniform2iARB;
  252. glx::PFNGLUNIFORM3IARBPROC                 glx::glUniform3iARB;
  253. glx::PFNGLUNIFORM4IARBPROC                 glx::glUniform4iARB;
  254. glx::PFNGLUNIFORM1FVARBPROC                glx::glUniform1fvARB;
  255. glx::PFNGLUNIFORM2FVARBPROC                glx::glUniform2fvARB;
  256. glx::PFNGLUNIFORM3FVARBPROC                glx::glUniform3fvARB;
  257. glx::PFNGLUNIFORM4FVARBPROC                glx::glUniform4fvARB;
  258. glx::PFNGLUNIFORM1IVARBPROC                glx::glUniform1ivARB;
  259. glx::PFNGLUNIFORM2IVARBPROC                glx::glUniform2ivARB;
  260. glx::PFNGLUNIFORM3IVARBPROC                glx::glUniform3ivARB;
  261. glx::PFNGLUNIFORM4IVARBPROC                glx::glUniform4ivARB;
  262. glx::PFNGLUNIFORMMATRIX2FVARBPROC          glx::glUniformMatrix2fvARB;
  263. glx::PFNGLUNIFORMMATRIX3FVARBPROC          glx::glUniformMatrix3fvARB;
  264. glx::PFNGLUNIFORMMATRIX4FVARBPROC          glx::glUniformMatrix4fvARB;
  265. glx::PFNGLGETOBJECTPARAMETERFVARBPROC      glx::glGetObjectParameterfvARB;
  266. glx::PFNGLGETOBJECTPARAMETERIVARBPROC      glx::glGetObjectParameterivARB;
  267. glx::PFNGLGETINFOLOGARBPROC                glx::glGetInfoLogARB;
  268. glx::PFNGLGETATTACHEDOBJECTSARBPROC        glx::glGetAttachedObjectsARB;
  269. glx::PFNGLGETUNIFORMLOCATIONARBPROC        glx::glGetUniformLocationARB;
  270. glx::PFNGLGETACTIVEUNIFORMARBPROC          glx::glGetActiveUniformARB;
  271. glx::PFNGLGETUNIFORMFVARBPROC              glx::glGetUniformfvARB;
  272. glx::PFNGLGETUNIFORMIVARBPROC              glx::glGetUniformivARB;
  273. glx::PFNGLGETSHADERSOURCEARBPROC           glx::glGetShaderSourceARB;
  275. // ARB_color_buffer_float
  276. glx::PFNGLCLAMPCOLORARBPROC                glx::glClampColorARB;
  278. // EXT_framebuffer_object
  279. glx::PFNGLISRENDERBUFFEREXTPROC                       glx::glIsRenderbufferEXT;
  280. glx::PFNGLBINDRENDERBUFFEREXTPROC                     glx::glBindRenderbufferEXT;
  281. glx::PFNGLDELETERENDERBUFFERSEXTPROC                  glx::glDeleteRenderbuffersEXT;
  282. glx::PFNGLGENRENDERBUFFERSEXTPROC                     glx::glGenRenderbuffersEXT;
  283. glx::PFNGLRENDERBUFFERSTORAGEEXTPROC                  glx::glRenderbufferStorageEXT;
  284. glx::PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC           glx::glGetRenderbufferParameterivEXT;
  285. glx::PFNGLISFRAMEBUFFEREXTPROC                        glx::glIsFramebufferEXT;
  286. glx::PFNGLBINDFRAMEBUFFEREXTPROC                      glx::glBindFramebufferEXT;
  287. glx::PFNGLDELETEFRAMEBUFFERSEXTPROC                   glx::glDeleteFramebuffersEXT;
  288. glx::PFNGLGENFRAMEBUFFERSEXTPROC                      glx::glGenFramebuffersEXT;
  289. glx::PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC               glx::glCheckFramebufferStatusEXT;
  290. glx::PFNGLFRAMEBUFFERTEXTURE1DEXTPROC                 glx::glFramebufferTexture1DEXT;
  291. glx::PFNGLFRAMEBUFFERTEXTURE2DEXTPROC                 glx::glFramebufferTexture2DEXT;
  292. glx::PFNGLFRAMEBUFFERTEXTURE3DEXTPROC                 glx::glFramebufferTexture3DEXT;
  293. glx::PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC              glx::glFramebufferRenderbufferEXT;
  294. glx::PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC  glx::glGetFramebufferAttachmentParameterivEXT;
  295. glx::PFNGLGENERATEMIPMAPEXTPROC                       glx::glGenerateMipmapEXT;
  298. // extern void Alert(const char *szFormat, ...);
  300. #if defined(QT_OPENGL_LIB) && defined(_WIN32) && !defined(_MSC_VER)
  302. // TODO: We should use something other than a global GL context
  303. #include <QGLContext>
  304. extern QGLContext* glctx;
  305. #define GET_GL_PROC_ADDRESS(name) glctx->getProcAddress(name)
  307. #else
  309. #ifndef TARGET_OS_MAC
  310. #if defined(_WIN32)
  312. #define GET_GL_PROC_ADDRESS(name) wglGetProcAddress(name)
  314. #else
  316. #ifdef GLX_VERSION_1_4
  317. extern "C" {
  318. extern void (*glXGetProcAddressARB(const GLubyte *procName))();
  319. }
  320. #define GET_GL_PROC_ADDRESS(name) GetGLProcAddress((GLubyte*) (name))
  321. #else
  322. #define GET_GL_PROC_ADDRESS(name) GetGLProcAddress((GLubyte*) (name))
  323. #endif
  325. typedef void (*FUNCS) (void);
  327. // Works around an apparent problem in ATI's libGL.so where glXGetProcAddress
  328. // returns NULL.
  329. FUNCS GetGLProcAddress(const GLubyte* procName)
  330. {
  331.     FUNCS func = glXGetProcAddressARB(procName);
  332.     if (!func)
  333.     {
  334.         void* libGL = dlopen(0, RTLD_LAZY);
  335.         func = (FUNCS) dlsym(libGL, (const char*) procName);
  336.         dlclose(libGL);
  337.     }
  339.     return func;
  340. }
  342. #endif // defined(WIN32)
  343. #endif // !TARGET_OS_MAC
  345. #endif // QT_CORE_LIB
  348. #ifdef TARGET_OS_MAC
  349. #include <mach-o/dyld.h>
  350. #include <stdio.h>
  351. typedef void (*FUNCS) (void);
  352. const struct mach_header *openGLImagePtr = NULL;
  353. FUNCS osxGetProcAddress(const GLubyte *procName) {
  354.     char myProcName[128];
  355.     NSSymbol mySymbol = NULL;
  356.     FUNCS myPtr = NULL;
  357.     if (openGLImagePtr == NULL) {
  358.         openGLImagePtr = NSAddImage("/System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL",NSADDIMAGE_OPTION_RETURN_ON_ERROR);
  359. #if 0
  360.         unsigned long i;
  361.         unsigned long imageCount = _dyld_image_count();
  362.         for (i=0;i<imageCount;++i) {
  363.             printf("Image[%d] = %sn",(int)i,_dyld_get_image_name(i));
  364.             if (!strcmp(_dyld_get_image_name(i),"/System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL")) {
  365.                 printf("Found OpenGL image.n");
  366.                 openGLImagePtr = _dyld_get_image_header(i);
  367.                 break;
  368.             }
  369.         }
  370. #endif
  371.     }
  372.     if (openGLImagePtr == NULL) {
  373.         printf("Can't find OpenGL??n");
  374.         return NULL;
  375.     }
  376.     strcpy(myProcName,"_");
  378.     /* sanity check */
  379.     if (strlen((char *)procName)>125) return NULL;
  380.     strcat(myProcName,(char *)procName);
  381.     //printf("%sn",myProcName);
  382.     //if (NSIsSymbolNameDefinedInImage(openGLImagePtr,myProcName) != FALSE) {
  383.     mySymbol = NSLookupSymbolInImage(openGLImagePtr, myProcName, NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_NOW | NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
  384.     if (mySymbol != NULL)
  385.         myPtr = (FUNCS)NSAddressOfSymbol(mySymbol);
  386.     //printf("  (symbol, address) -> (%08x -> %08x)n",(unsigned int)mySymbol,(unsigned int)myPtr);
  387.     return myPtr;
  388.     //}
  389. }
  390. #define GET_GL_PROC_ADDRESS(name) osxGetProcAddress((GLubyte *)name)
  391. #endif /* TARGET_OS_MAC */
  394. void Alert(const char /* *szFormat*/, ...)
  395. {
  396. }
  399. // ARB_multitexture
  400. static void InitExt_ARB_multitexture()
  401. {
  402. // #ifndef GL_ARB_multitexture
  403. #ifdef GET_GL_PROC_ADDRESS
  404.     glx::glMultiTexCoord2iARB = (glx::PFNGLMULTITEXCOORD2IARBPROC) GET_GL_PROC_ADDRESS("glMultiTexCoord2iARB");
  405.     glx::glMultiTexCoord2fARB = (glx::PFNGLMULTITEXCOORD2FARBPROC) GET_GL_PROC_ADDRESS("glMultiTexCoord2fARB");
  406.     glx::glMultiTexCoord3fARB = (glx::PFNGLMULTITEXCOORD3FARBPROC) GET_GL_PROC_ADDRESS("glMultiTexCoord3fARB");
  407.     glx::glMultiTexCoord3fvARB = (glx::PFNGLMULTITEXCOORD3FVARBPROC) GET_GL_PROC_ADDRESS("glMultiTexCoord3fvARB");
  408.     glx::glActiveTextureARB = (glx::PFNGLACTIVETEXTUREARBPROC) GET_GL_PROC_ADDRESS("glActiveTextureARB");
  409.     glx::glClientActiveTextureARB = (glx::PFNGLCLIENTACTIVETEXTUREARBPROC) GET_GL_PROC_ADDRESS("glClientActiveTextureARB");
  410. #endif // GET_GL_PROC_ADDRESS
  411. // #endif // GL_ARB_multitexture
  412. }
  415. static void InitExt_ARB_texture_compression()
  416. {
  417. #if defined(GET_GL_PROC_ADDRESS)
  418.     glx::glCompressedTexImage3DARB =
  419.         (glx::PFNGLCOMPRESSEDTEXIMAGE3DARBPROC)
  420.         GET_GL_PROC_ADDRESS("glCompressedTexImage3DARB");
  421.     glx::glCompressedTexImage2DARB =
  422.         (glx::PFNGLCOMPRESSEDTEXIMAGE2DARBPROC)
  423.         GET_GL_PROC_ADDRESS("glCompressedTexImage2DARB");
  424.     glx::glCompressedTexImage1DARB =
  425.         (glx::PFNGLCOMPRESSEDTEXIMAGE1DARBPROC)
  426.         GET_GL_PROC_ADDRESS("glCompressedTexImage1DARB");
  427.     glx::glCompressedTexSubImage3DARB =
  428.         (glx::PFNGLCOMPRESSEDTEXSUBIMAGE3DARBPROC)
  429.         GET_GL_PROC_ADDRESS("glCompressedTexSubImage3DARB");
  430.     glx::glCompressedTexSubImage2DARB =
  431.         (glx::PFNGLCOMPRESSEDTEXSUBIMAGE2DARBPROC)
  432.         GET_GL_PROC_ADDRESS("glCompressedTexSubImage2DARB");
  433.     glx::glCompressedTexSubImage1DARB =
  434.         (glx::PFNGLCOMPRESSEDTEXSUBIMAGE1DARBPROC)
  435.         GET_GL_PROC_ADDRESS("glCompressedTexSubImage1DARB");
  436. #endif // GL_ARB_texture_compression
  437. }
  440. // NV_register_combiners
  441. static void InitExt_NV_register_combiners()
  442. {
  443. #if defined(GET_GL_PROC_ADDRESS)
  444.   /* Retrieve all NV_register_combiners routines. */
  445.   glx::glCombinerParameterfvNV = (glx::PFNGLCOMBINERPARAMETERFVNVPROC) GET_GL_PROC_ADDRESS("glCombinerParameterfvNV");
  446.   glx::glCombinerParameterivNV = (glx::PFNGLCOMBINERPARAMETERIVNVPROC) GET_GL_PROC_ADDRESS("glCombinerParameterivNV");
  447.   glx::glCombinerParameterfNV = (glx::PFNGLCOMBINERPARAMETERFNVPROC) GET_GL_PROC_ADDRESS("glCombinerParameterfNV");
  448.   glx::glCombinerParameteriNV = (glx::PFNGLCOMBINERPARAMETERINVPROC) GET_GL_PROC_ADDRESS("glCombinerParameteriNV");
  449.   glx::glCombinerInputNV = (glx::PFNGLCOMBINERINPUTNVPROC) GET_GL_PROC_ADDRESS("glCombinerInputNV");
  450.   glx::glCombinerOutputNV = (glx::PFNGLCOMBINEROUTPUTNVPROC) GET_GL_PROC_ADDRESS("glCombinerOutputNV");
  451.   glx::glFinalCombinerInputNV = (glx::PFNGLFINALCOMBINERINPUTNVPROC) GET_GL_PROC_ADDRESS("glFinalCombinerInputNV");
  452.   glx::glGetCombinerInputParameterfvNV = (glx::PFNGLGETCOMBINERINPUTPARAMETERFVNVPROC) GET_GL_PROC_ADDRESS("glGetCombinerInputParameterfvNV");
  453.   glx::glGetCombinerInputParameterivNV = (glx::PFNGLGETCOMBINERINPUTPARAMETERIVNVPROC) GET_GL_PROC_ADDRESS("glGetCombinerInputParameterivNV");
  454.   glx::glGetCombinerOutputParameterfvNV = (glx::PFNGLGETCOMBINEROUTPUTPARAMETERFVNVPROC) GET_GL_PROC_ADDRESS("glGetCombinerOutputParameterfvNV");
  455.   glx::glGetCombinerOutputParameterivNV = (glx::PFNGLGETCOMBINEROUTPUTPARAMETERIVNVPROC) GET_GL_PROC_ADDRESS("glGetCombinerOutputParameterivNV");
  456.   glx::glGetFinalCombinerInputParameterfvNV = (glx::PFNGLGETFINALCOMBINERINPUTPARAMETERFVNVPROC) GET_GL_PROC_ADDRESS("glGetFinalCombinerInputParameterfvNV");
  457.   glx::glGetFinalCombinerInputParameterivNV = (glx::PFNGLGETFINALCOMBINERINPUTPARAMETERIVNVPROC) GET_GL_PROC_ADDRESS("glGetFinalCombinerInputParameterivNV");
  458. #endif // GET_GL_PROC_ADDRESS
  459. }
  462. static void InitExt_NV_register_combiners2()
  463. {
  464. #if defined(GET_GL_PROC_ADDRESS)
  465.     /* Retrieve all NV_register_combiners routines. */
  466.     glx::glCombinerStageParameterfvNV = (glx::PFNGLCOMBINERSTAGEPARAMETERFVNVPROC) GET_GL_PROC_ADDRESS("glCombinerStageParameterfvNV");
  467.     glx::glGetCombinerStageParameterfvNV = (glx::PFNGLGETCOMBINERSTAGEPARAMETERFVNVPROC) GET_GL_PROC_ADDRESS("glGetCombinerStageParameterfvNV");
  468. #endif
  469. }
  472. static void InitExt_NV_vertex_program()
  473. {
  474. #if defined(GET_GL_PROC_ADDRESS)
  475.     glx::glAreProgramsResidentNV =
  476.         (glx::PFNGLAREPROGRAMSRESIDENTNVPROC)
  477.         GET_GL_PROC_ADDRESS("glAreProgramsResidentNV");
  478.     glx::glBindProgramNV =
  479.         (glx::PFNGLBINDPROGRAMNVPROC)
  480.         GET_GL_PROC_ADDRESS("glBindProgramNV");
  481.     glx::glDeleteProgramsNV =
  482.         (glx::PFNGLDELETEPROGRAMSNVPROC)
  483.         GET_GL_PROC_ADDRESS("glDeleteProgramsNV");
  484.     glx::glExecuteProgramNV =
  485.         (glx::PFNGLEXECUTEPROGRAMNVPROC)
  486.         GET_GL_PROC_ADDRESS("glExecuteProgramNV");
  487.     glx::glGenProgramsNV =
  488.         (glx::PFNGLGENPROGRAMSNVPROC)
  489.         GET_GL_PROC_ADDRESS("glGenProgramsNV");
  490.     glx::glGetProgramParameterdvNV =
  491.         (glx::PFNGLGETPROGRAMPARAMETERDVNVPROC)
  492.         GET_GL_PROC_ADDRESS("glGetProgramParameterdvNV");
  493.     glx::glGetProgramParameterfvNV =
  494.         (glx::PFNGLGETPROGRAMPARAMETERFVNVPROC)
  495.         GET_GL_PROC_ADDRESS("glGetProgramParameterfvNV");
  496.     glx::glGetProgramivNV =
  497.         (glx::PFNGLGETPROGRAMIVNVPROC)
  498.         GET_GL_PROC_ADDRESS("glGetProgramivNV");
  499.     glx::glGetProgramStringNV =
  500.         (glx::PFNGLGETPROGRAMSTRINGNVPROC)
  501.         GET_GL_PROC_ADDRESS("glGetProgramStringNV");
  502.     glx::glGetTrackMatrixivNV =
  503.         (glx::PFNGLGETTRACKMATRIXIVNVPROC)
  504.         GET_GL_PROC_ADDRESS("glGetTrackMatrixivNV");
  505.     glx::glGetVertexAttribdvNV =
  506.         (glx::PFNGLGETVERTEXATTRIBDVNVPROC)
  507.         GET_GL_PROC_ADDRESS("glGetVertexAttribdvNV");
  508.     glx::glGetVertexAttribfvNV =
  509.         (glx::PFNGLGETVERTEXATTRIBFVNVPROC)
  510.         GET_GL_PROC_ADDRESS("glGetVertexAttribfvNV");
  511.     glx::glGetVertexAttribivNV =
  512.         (glx::PFNGLGETVERTEXATTRIBIVNVPROC)
  513.         GET_GL_PROC_ADDRESS("glGetVertexAttribivNV");
  514.     glx::glGetVertexAttribPointervNV =
  515.         (glx::PFNGLGETVERTEXATTRIBPOINTERVNVPROC)
  516.         GET_GL_PROC_ADDRESS("glGetVertexAttribPointervNV");
  517.     glx::glIsProgramNV =
  518.         (glx::PFNGLISPROGRAMNVPROC)
  519.         GET_GL_PROC_ADDRESS("glIsProgramNV");
  520.     glx::glLoadProgramNV =
  521.         (glx::PFNGLLOADPROGRAMNVPROC)
  522.         GET_GL_PROC_ADDRESS("glLoadProgramNV");
  523.     glx::glProgramParameter4dNV =
  524.         (glx::PFNGLPROGRAMPARAMETER4DNVPROC)
  525.         GET_GL_PROC_ADDRESS("glProgramParameter4dNV");
  526.     glx::glProgramParameter4dvNV =
  527.         (glx::PFNGLPROGRAMPARAMETER4DVNVPROC)
  528.         GET_GL_PROC_ADDRESS("glProgramParameter4dvNV");
  529.     glx::glProgramParameter4fNV =
  530.         (glx::PFNGLPROGRAMPARAMETER4FNVPROC)
  531.         GET_GL_PROC_ADDRESS("glProgramParameter4fNV");
  532.     glx::glProgramParameter4fvNV =
  533.         (glx::PFNGLPROGRAMPARAMETER4FVNVPROC)
  534.         GET_GL_PROC_ADDRESS("glProgramParameter4fvNV");
  535.     glx::glProgramParameters4dvNV =
  536.         (glx::PFNGLPROGRAMPARAMETERS4DVNVPROC)
  537.         GET_GL_PROC_ADDRESS("glProgramParameters4dvNV");
  538.     glx::glProgramParameters4fvNV =
  539.         (glx::PFNGLPROGRAMPARAMETERS4FVNVPROC)
  540.         GET_GL_PROC_ADDRESS("glProgramParameters4fvNV");
  541.     glx::glRequestResidentProgramsNV =
  542.         (glx::PFNGLREQUESTRESIDENTPROGRAMSNVPROC)
  543.         GET_GL_PROC_ADDRESS("glRequestResidentProgramsNV");
  544.     glx::glTrackMatrixNV =
  545.         (glx::PFNGLTRACKMATRIXNVPROC)
  546.         GET_GL_PROC_ADDRESS("glTrackMatrixNV");
  547.     glx::glVertexAttribPointerNV =
  548.         (glx::PFNGLVERTEXATTRIBPOINTERNVPROC)
  549.         GET_GL_PROC_ADDRESS("glVertexAttribPointerNV");
  550.     glx::glVertexAttrib1dNV =
  551.         (glx::PFNGLVERTEXATTRIB1DNVPROC)
  552.         GET_GL_PROC_ADDRESS("glVertexAttrib1dNV");
  553.     glx::glVertexAttrib1dvNV =
  554.         (glx::PFNGLVERTEXATTRIB1DVNVPROC)
  555.         GET_GL_PROC_ADDRESS("glVertexAttrib1dvNV");
  556.     glx::glVertexAttrib1fNV =
  557.         (glx::PFNGLVERTEXATTRIB1FNVPROC)
  558.         GET_GL_PROC_ADDRESS("glVertexAttrib1fNV");
  559.     glx::glVertexAttrib1fvNV =
  560.         (glx::PFNGLVERTEXATTRIB1FVNVPROC)
  561.         GET_GL_PROC_ADDRESS("glVertexAttrib1fvNV");
  562.     glx::glVertexAttrib1sNV =
  563.         (glx::PFNGLVERTEXATTRIB1SNVPROC)
  564.         GET_GL_PROC_ADDRESS("glVertexAttrib1sNV");
  565.     glx::glVertexAttrib1svNV =
  566.         (glx::PFNGLVERTEXATTRIB1SVNVPROC)
  567.         GET_GL_PROC_ADDRESS("glVertexAttrib1svNV");
  568.     glx::glVertexAttrib2dNV =
  569.         (glx::PFNGLVERTEXATTRIB2DNVPROC)
  570.         GET_GL_PROC_ADDRESS("glVertexAttrib2dNV");
  571.     glx::glVertexAttrib2dvNV =
  572.         (glx::PFNGLVERTEXATTRIB2DVNVPROC)
  573.         GET_GL_PROC_ADDRESS("glVertexAttrib2dvNV");
  574.     glx::glVertexAttrib2fNV =
  575.         (glx::PFNGLVERTEXATTRIB2FNVPROC)
  576.         GET_GL_PROC_ADDRESS("glVertexAttrib2fNV");
  577.     glx::glVertexAttrib2fvNV =
  578.         (glx::PFNGLVERTEXATTRIB2FVNVPROC)
  579.         GET_GL_PROC_ADDRESS("glVertexAttrib2fvNV");
  580.     glx::glVertexAttrib2sNV =
  581.         (glx::PFNGLVERTEXATTRIB2SNVPROC)
  582.         GET_GL_PROC_ADDRESS("glVertexAttrib2sNV");
  583.     glx::glVertexAttrib2svNV =
  584.         (glx::PFNGLVERTEXATTRIB2SVNVPROC)
  585.         GET_GL_PROC_ADDRESS("glVertexAttrib2svNV");
  586.     glx::glVertexAttrib3dNV =
  587.         (glx::PFNGLVERTEXATTRIB3DNVPROC)
  588.         GET_GL_PROC_ADDRESS("glVertexAttrib3dNV");
  589.     glx::glVertexAttrib3dvNV =
  590.         (glx::PFNGLVERTEXATTRIB3DVNVPROC)
  591.         GET_GL_PROC_ADDRESS("glVertexAttrib3dvNV");
  592.     glx::glVertexAttrib3fNV =
  593.         (glx::PFNGLVERTEXATTRIB3FNVPROC)
  594.         GET_GL_PROC_ADDRESS("glVertexAttrib3fNV");
  595.     glx::glVertexAttrib3fvNV =
  596.         (glx::PFNGLVERTEXATTRIB3FVNVPROC)
  597.         GET_GL_PROC_ADDRESS("glVertexAttrib3fvNV");
  598.     glx::glVertexAttrib3sNV =
  599.         (glx::PFNGLVERTEXATTRIB3SNVPROC)
  600.         GET_GL_PROC_ADDRESS("glVertexAttrib3sNV");
  601.     glx::glVertexAttrib3svNV =
  602.         (glx::PFNGLVERTEXATTRIB3SVNVPROC)
  603.         GET_GL_PROC_ADDRESS("glVertexAttrib3svNV");
  604.     glx::glVertexAttrib4dNV =
  605.         (glx::PFNGLVERTEXATTRIB4DNVPROC)
  606.         GET_GL_PROC_ADDRESS("glVertexAttrib4dNV");
  607.     glx::glVertexAttrib4dvNV =
  608.         (glx::PFNGLVERTEXATTRIB4DVNVPROC)
  609.         GET_GL_PROC_ADDRESS("glVertexAttrib4dvNV");
  610.     glx::glVertexAttrib4fNV =
  611.         (glx::PFNGLVERTEXATTRIB4FNVPROC)
  612.         GET_GL_PROC_ADDRESS("glVertexAttrib4fNV");
  613.     glx::glVertexAttrib4fvNV =
  614.         (glx::PFNGLVERTEXATTRIB4FVNVPROC)
  615.         GET_GL_PROC_ADDRESS("glVertexAttrib4fvNV");
  616.     glx::glVertexAttrib4sNV =
  617.         (glx::PFNGLVERTEXATTRIB4SNVPROC)
  618.         GET_GL_PROC_ADDRESS("glVertexAttrib4sNV");
  619.     glx::glVertexAttrib4svNV =
  620.         (glx::PFNGLVERTEXATTRIB4SVNVPROC)
  621.         GET_GL_PROC_ADDRESS("glVertexAttrib4svNV");
  622.     glx::glVertexAttrib4ubvNV =
  623.         (glx::PFNGLVERTEXATTRIB4UBVNVPROC)
  624.         GET_GL_PROC_ADDRESS("glVertexAttrib4ubvNV");
  625.     glx::glVertexAttribs1dvNV =
  626.         (glx::PFNGLVERTEXATTRIBS1DVNVPROC)
  627.         GET_GL_PROC_ADDRESS("glVertexAttribs1dvNV");
  628.     glx::glVertexAttribs1fvNV =
  629.         (glx::PFNGLVERTEXATTRIBS1FVNVPROC)
  630.         GET_GL_PROC_ADDRESS("glVertexAttribs1fvNV");
  631.     glx::glVertexAttribs1svNV =
  632.         (glx::PFNGLVERTEXATTRIBS1SVNVPROC)
  633.         GET_GL_PROC_ADDRESS("glVertexAttribs1svNV");
  634.     glx::glVertexAttribs2dvNV =
  635.         (glx::PFNGLVERTEXATTRIBS2DVNVPROC)
  636.         GET_GL_PROC_ADDRESS("glVertexAttribs2dvNV");
  637.     glx::glVertexAttribs2fvNV =
  638.         (glx::PFNGLVERTEXATTRIBS2FVNVPROC)
  639.         GET_GL_PROC_ADDRESS("glVertexAttribs2fvNV");
  640.     glx::glVertexAttribs2svNV =
  641.         (glx::PFNGLVERTEXATTRIBS2SVNVPROC)
  642.         GET_GL_PROC_ADDRESS("glVertexAttribs2svNV");
  643.     glx::glVertexAttribs3dvNV =
  644.         (glx::PFNGLVERTEXATTRIBS3DVNVPROC)
  645.         GET_GL_PROC_ADDRESS("glVertexAttribs3dvNV");
  646.     glx::glVertexAttribs3fvNV =
  647.         (glx::PFNGLVERTEXATTRIBS3FVNVPROC)
  648.         GET_GL_PROC_ADDRESS("glVertexAttribs3fvNV");
  649.     glx::glVertexAttribs3svNV =
  650.         (glx::PFNGLVERTEXATTRIBS3SVNVPROC)
  651.         GET_GL_PROC_ADDRESS("glVertexAttribs3svNV");
  652.     glx::glVertexAttribs4dvNV =
  653.         (glx::PFNGLVERTEXATTRIBS4DVNVPROC)
  654.         GET_GL_PROC_ADDRESS("glVertexAttribs4dvNV");
  655.     glx::glVertexAttribs4fvNV =
  656.         (glx::PFNGLVERTEXATTRIBS4FVNVPROC)
  657.         GET_GL_PROC_ADDRESS("glVertexAttribs4fvNV");
  658.     glx::glVertexAttribs4svNV =
  659.         (glx::PFNGLVERTEXATTRIBS4SVNVPROC)
  660.         GET_GL_PROC_ADDRESS("glVertexAttribs4svNV");
  661.     glx::glVertexAttribs4ubvNV =
  662.         (glx::PFNGLVERTEXATTRIBS4UBVNVPROC)
  663.         GET_GL_PROC_ADDRESS("glVertexAttribs4ubvNV");
  664. #endif
  665. }
  668. static void InitExt_EXT_paletted_texture()
  669. {
  670. #if defined(GET_GL_PROC_ADDRESS)
  671.     glx::glColorTableEXT = (glx::PFNGLCOLORTABLEEXTPROC) GET_GL_PROC_ADDRESS("glColorTableEXT");
  672. #endif
  673. }
  676. static void InitExt_EXT_blend_minmax()
  677. {
  678. #if defined(GET_GL_PROC_ADDRESS)
  679.     glx::glBlendEquationEXT = (glx::PFNGLBLENDEQUATIONEXTPROC) GET_GL_PROC_ADDRESS("glBlendEquationEXT");
  680. #endif
  681. }
  684. static void InitExt_EXT_swap_control()
  685. {
  686. #ifdef _WIN32
  687.     glx::wglSwapIntervalEXT = (glx::PFNWGLSWAPINTERVALEXTPROC) GET_GL_PROC_ADDRESS("wglSwapIntervalEXT");
  688.     glx::wglGetSwapIntervalEXT = (glx::PFNWGLGETSWAPINTERVALEXTPROC) GET_GL_PROC_ADDRESS("wglGetSwapIntervalEXT");
  689. #endif // _WIN32
  690. }
  693. static void InitExt_GLX_SGI_video_sync()
  694. {
  695.     glx::glXGetVideoSyncSGI = (glx::PFNGLXGETVIDEOSYNCSGIPROC) GET_GL_PROC_ADDRESS("glXGetVideoSyncSGI");
  696.     glx::glXWaitVideoSyncSGI = (glx::PFNGLXWAITVIDEOSYNCSGIPROC) GET_GL_PROC_ADDRESS("glXWaitVideoSyncSGI");
  697.     glx::glXGetRefreshRateSGI = (glx::PFNGLXGETREFRESHRATESGIPROC) GET_GL_PROC_ADDRESS("glXGetRefreshRateSGI");
  698. }
  701. static void InitExt_NV_fragment_program()
  702. {
  703. #if defined(GET_GL_PROC_ADDRESS)
  704.     glx::glProgramNamedParameter4fNV = (glx::PFNGLPROGRAMNAMEDPARAMETER4FNVPROC) GET_GL_PROC_ADDRESS("glProgramNamedParameter4fNV");
  705.     glx::glProgramNamedParameter4dNV = (glx::PFNGLPROGRAMNAMEDPARAMETER4DNVPROC) GET_GL_PROC_ADDRESS("glProgramNamedParameter4dNV");
  706.     glx::glProgramNamedParameter4fvNV = (glx::PFNGLPROGRAMNAMEDPARAMETER4FVNVPROC) GET_GL_PROC_ADDRESS("glProgramNamedParameter4fvNV");
  707.     glx::glProgramNamedParameter4dvNV = (glx::PFNGLPROGRAMNAMEDPARAMETER4DVNVPROC) GET_GL_PROC_ADDRESS("glProgramNamedParameter4dvNV");
  708.     glx::glGetProgramNamedParameterfvNV = (glx::PFNGLGETPROGRAMNAMEDPARAMETERFVNVPROC) GET_GL_PROC_ADDRESS("glGetProgramNamedParameterfvNV");
  709.     glx::glGetProgramNamedParameterdvNV = (glx::PFNGLGETPROGRAMNAMEDPARAMETERDVNVPROC) GET_GL_PROC_ADDRESS("glGetProgramNamedParameterdvNV");
  710.     glx::glProgramLocalParameter4fNV = (glx::PFNGLPROGRAMLOCALPARAMETER4FNVPROC) GET_GL_PROC_ADDRESS("glProgramLocalParameter4fNV");
  711.     glx::glProgramLocalParameter4dNV = (glx::PFNGLPROGRAMLOCALPARAMETER4DNVPROC) GET_GL_PROC_ADDRESS("glProgramLocalParameter4dNV");
  712.     glx::glProgramLocalParameter4fvNV = (glx::PFNGLPROGRAMLOCALPARAMETER4FVNVPROC) GET_GL_PROC_ADDRESS("glProgramLocalParameter4fvNV");
  713.     glx::glProgramLocalParameter4dvNV = (glx::PFNGLPROGRAMLOCALPARAMETER4DVNVPROC) GET_GL_PROC_ADDRESS("glProgramLocalParameter4dvNV");
  714.     glx::glGetProgramLocalParameterfvNV = (glx::PFNGLGETPROGRAMLOCALPARAMETERFVNVPROC) GET_GL_PROC_ADDRESS("glGetProgramLocalParameterfvNV");
  715.     glx::glGetProgramLocalParameterdvNV = (glx::PFNGLGETPROGRAMLOCALPARAMETERDVNVPROC) GET_GL_PROC_ADDRESS("glGetProgramLocalParameterdvNV");
  716. #endif // GET_GL_PROC_ADDRESS
  717. }
  720. static void InitExt_ARB_vertex_program()
  721. {
  722. #if defined(GET_GL_PROC_ADDRESS)
  723.     glx::glBindProgramARB = (glx::PFNGLBINDPROGRAMARBPROC) GET_GL_PROC_ADDRESS("glBindProgramARB");
  724.     glx::glDeleteProgramsARB = (glx::PFNGLDELETEPROGRAMSARBPROC) GET_GL_PROC_ADDRESS("glDeleteProgramsARB");
  725.     glx::glGenProgramsARB = (glx::PFNGLGENPROGRAMSARBPROC) GET_GL_PROC_ADDRESS("glGenProgramsARB");
  726.     glx::glIsProgramARB = (glx::PFNGLISPROGRAMARBPROC) GET_GL_PROC_ADDRESS("glIsProgramARB");
  727.     glx::glVertexAttrib1sARB = (glx::PFNGLVERTEXATTRIB1SARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib1sARB");
  728.     glx::glVertexAttrib1fARB = (glx::PFNGLVERTEXATTRIB1FARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib1fARB");
  729.     glx::glVertexAttrib1dARB = (glx::PFNGLVERTEXATTRIB1DARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib1dARB");
  730.     glx::glVertexAttrib2sARB = (glx::PFNGLVERTEXATTRIB2SARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib2sARB");
  731.     glx::glVertexAttrib2fARB = (glx::PFNGLVERTEXATTRIB2FARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib2fARB");
  732.     glx::glVertexAttrib2dARB = (glx::PFNGLVERTEXATTRIB2DARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib2dARB");
  733.     glx::glVertexAttrib3sARB = (glx::PFNGLVERTEXATTRIB3SARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib3sARB");
  734.     glx::glVertexAttrib3fARB = (glx::PFNGLVERTEXATTRIB3FARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib3fARB");
  735.     glx::glVertexAttrib3dARB = (glx::PFNGLVERTEXATTRIB3DARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib3dARB");
  736.     glx::glVertexAttrib4sARB = (glx::PFNGLVERTEXATTRIB4SARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4sARB");
  737.     glx::glVertexAttrib4fARB = (glx::PFNGLVERTEXATTRIB4FARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4fARB");
  738.     glx::glVertexAttrib4dARB = (glx::PFNGLVERTEXATTRIB4DARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4dARB");
  739.     glx::glVertexAttrib4NubARB = (glx::PFNGLVERTEXATTRIB4NUBARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4NubARB");
  740.     glx::glVertexAttrib1svARB = (glx::PFNGLVERTEXATTRIB1SVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib1svARB");
  741.     glx::glVertexAttrib1fvARB = (glx::PFNGLVERTEXATTRIB1FVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib1fvARB");
  742.     glx::glVertexAttrib1dvARB = (glx::PFNGLVERTEXATTRIB1DVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib1dvARB");
  743.     glx::glVertexAttrib2svARB = (glx::PFNGLVERTEXATTRIB2SVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib2svARB");
  744.     glx::glVertexAttrib2fvARB = (glx::PFNGLVERTEXATTRIB2FVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib2fvARB");
  745.     glx::glVertexAttrib2dvARB = (glx::PFNGLVERTEXATTRIB2DVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib2dvARB");
  746.     glx::glVertexAttrib3svARB = (glx::PFNGLVERTEXATTRIB3SVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib3svARB");
  747.     glx::glVertexAttrib3fvARB = (glx::PFNGLVERTEXATTRIB3FVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib3fvARB");
  748.     glx::glVertexAttrib3dvARB = (glx::PFNGLVERTEXATTRIB3DVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib3dvARB");
  749.     glx::glVertexAttrib4bvARB = (glx::PFNGLVERTEXATTRIB4BVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4bvARB");
  750.     glx::glVertexAttrib4svARB = (glx::PFNGLVERTEXATTRIB4SVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4svARB");
  751.     glx::glVertexAttrib4ivARB = (glx::PFNGLVERTEXATTRIB4IVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4ivARB");
  752.     glx::glVertexAttrib4ubvARB = (glx::PFNGLVERTEXATTRIB4UBVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4ubvARB");
  753.     glx::glVertexAttrib4usvARB = (glx::PFNGLVERTEXATTRIB4USVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4usvARB");
  754.     glx::glVertexAttrib4uivARB = (glx::PFNGLVERTEXATTRIB4UIVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4uivARB");
  755.     glx::glVertexAttrib4fvARB = (glx::PFNGLVERTEXATTRIB4FVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4fvARB");
  756.     glx::glVertexAttrib4dvARB = (glx::PFNGLVERTEXATTRIB4DVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4dvARB");
  757.     glx::glVertexAttrib4NbvARB = (glx::PFNGLVERTEXATTRIB4NBVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4NbvARB");
  758.     glx::glVertexAttrib4NsvARB = (glx::PFNGLVERTEXATTRIB4NSVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4NsvARB");
  759.     glx::glVertexAttrib4NivARB = (glx::PFNGLVERTEXATTRIB4NIVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4NivARB");
  760.     glx::glVertexAttrib4NubvARB = (glx::PFNGLVERTEXATTRIB4NUBVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4NubvARB");
  761.     glx::glVertexAttrib4NusvARB = (glx::PFNGLVERTEXATTRIB4NUSVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4NusvARB");
  762.     glx::glVertexAttrib4NuivARB = (glx::PFNGLVERTEXATTRIB4NUIVARBPROC) GET_GL_PROC_ADDRESS("glVertexAttrib4NuivARB");
  763.     glx::glVertexAttribPointerARB = (glx::PFNGLVERTEXATTRIBPOINTERARBPROC) GET_GL_PROC_ADDRESS("glVertexAttribPointerARB");
  764.     glx::glEnableVertexAttribArrayARB = (glx::PFNGLENABLEVERTEXATTRIBARRAYARBPROC) GET_GL_PROC_ADDRESS("glEnableVertexAttribArrayARB");
  765.     glx::glDisableVertexAttribArrayARB = (glx::PFNGLDISABLEVERTEXATTRIBARRAYARBPROC) GET_GL_PROC_ADDRESS("glDisableVertexAttribArrayARB");
  766.     glx::glGetVertexAttribdvARB = (glx::PFNGLGETVERTEXATTRIBDVARBPROC) GET_GL_PROC_ADDRESS("glGetVertexAttribdvARB");
  767.     glx::glGetVertexAttribfvARB = (glx::PFNGLGETVERTEXATTRIBFVARBPROC) GET_GL_PROC_ADDRESS("glGetVertexAttribfvARB");
  768.     glx::glGetVertexAttribivARB = (glx::PFNGLGETVERTEXATTRIBIVARBPROC) GET_GL_PROC_ADDRESS("glGetVertexAttribivARB");
  769.     glx::glGetVertexAttribPointervARB = (glx::PFNGLGETVERTEXATTRIBPOINTERVARBPROC) GET_GL_PROC_ADDRESS("glGetVertexAttribPointervARB");
  770.     glx::glProgramEnvParameter4dARB = (glx::PFNGLPROGRAMENVPARAMETER4DARBPROC) GET_GL_PROC_ADDRESS("glProgramEnvParameter4dARB");
  771.     glx::glProgramEnvParameter4dvARB = (glx::PFNGLPROGRAMENVPARAMETER4DVARBPROC) GET_GL_PROC_ADDRESS("glProgramEnvParameter4dvARB");
  772.     glx::glProgramEnvParameter4fARB = (glx::PFNGLPROGRAMENVPARAMETER4FARBPROC) GET_GL_PROC_ADDRESS("glProgramEnvParameter4fARB");
  773.     glx::glProgramEnvParameter4fvARB = (glx::PFNGLPROGRAMENVPARAMETER4FVARBPROC) GET_GL_PROC_ADDRESS("glProgramEnvParameter4fvARB");
  774.     glx::glProgramLocalParameter4dARB = (glx::PFNGLPROGRAMLOCALPARAMETER4DARBPROC) GET_GL_PROC_ADDRESS("glProgramLocalParameter4dARB");
  775.     glx::glProgramLocalParameter4dvARB = (glx::PFNGLPROGRAMLOCALPARAMETER4DVARBPROC) GET_GL_PROC_ADDRESS("glProgramLocalParameter4dvARB");
  776.     glx::glProgramLocalParameter4fARB = (glx::PFNGLPROGRAMLOCALPARAMETER4FARBPROC) GET_GL_PROC_ADDRESS("glProgramLocalParameter4fARB");
  777.     glx::glProgramLocalParameter4fvARB = (glx::PFNGLPROGRAMLOCALPARAMETER4FVARBPROC) GET_GL_PROC_ADDRESS("glProgramLocalParameter4fvARB");
  778.     glx::glGetProgramEnvParameterdvARB = (glx::PFNGLGETPROGRAMENVPARAMETERDVARBPROC) GET_GL_PROC_ADDRESS("glGetProgramEnvParameterdvARB");
  779.     glx::glGetProgramEnvParameterfvARB = (glx::PFNGLGETPROGRAMENVPARAMETERFVARBPROC) GET_GL_PROC_ADDRESS("glGetProgramEnvParameterfvARB");
  780.     glx::glGetProgramLocalParameterdvARB = (glx::PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC) GET_GL_PROC_ADDRESS("glGetProgramLocalParameterdvARB");
  781.     glx::glGetProgramLocalParameterfvARB = (glx::PFNGLGETPROGRAMLOCALPARAMETERFVARBPROC) GET_GL_PROC_ADDRESS("glGetProgramLocalParameterfvARB");
  782.     glx::glProgramStringARB = (glx::PFNGLPROGRAMSTRINGARBPROC) GET_GL_PROC_ADDRESS("glProgramStringARB");
  783.     glx::glGetProgramStringARB = (glx::PFNGLGETPROGRAMSTRINGARBPROC) GET_GL_PROC_ADDRESS("glGetProgramStringARB");
  784.     glx::glGetProgramivARB = (glx::PFNGLGETPROGRAMIVARBPROC) GET_GL_PROC_ADDRESS("glGetProgramivARB");
  785. #endif // GET_GL_PROC_ADDRESS
  786. }
  789. static void InitExt_ARB_vertex_buffer_object()
  790. {
  791. #if defined(GET_GL_PROC_ADDRESS)
  792.     glx::glBindBufferARB = (glx::PFNGLBINDBUFFERARBPROC) GET_GL_PROC_ADDRESS("glBindBufferARB");
  793.     glx::glDeleteBuffersARB = (glx::PFNGLDELETEBUFFERSARBPROC) GET_GL_PROC_ADDRESS("glDeleteBuffersARB");
  794.     glx::glGenBuffersARB = (glx::PFNGLGENBUFFERSARBPROC) GET_GL_PROC_ADDRESS("glGenBuffersARB");
  795.     glx::glIsBufferARB = (glx::PFNGLISBUFFERARBPROC) GET_GL_PROC_ADDRESS("glIsBufferARB");
  796.     glx::glBufferDataARB = (glx::PFNGLBUFFERDATAARBPROC) GET_GL_PROC_ADDRESS("glBufferDataARB");
  797.     glx::glBufferSubDataARB = (glx::PFNGLBUFFERSUBDATAARBPROC) GET_GL_PROC_ADDRESS("glBufferSubDataARB");
  798.     glx::glGetBufferSubDataARB = (glx::PFNGLGETBUFFERSUBDATAARBPROC) GET_GL_PROC_ADDRESS("glGetBufferSubDataARB");
  799.     glx::glMapBufferARB = (glx::PFNGLMAPBUFFERARBPROC) GET_GL_PROC_ADDRESS("glMapBufferARB");
  800.     glx::glUnmapBufferARB = (glx::PFNGLUNMAPBUFFERARBPROC) GET_GL_PROC_ADDRESS("glUnmapBufferARB");
  801.     glx::glGetBufferParameterivARB = (glx::PFNGLGETBUFFERPARAMETERIVARBPROC) GET_GL_PROC_ADDRESS("glGetBufferParameterivARB");
  802.     glx::glGetBufferPointervARB = (glx::PFNGLGETBUFFERPOINTERVARBPROC) GET_GL_PROC_ADDRESS("glGetBufferPointervARB");
  803. #endif
  804. }
  807. static void InitExt_ARB_vertex_shader()
  808. {
  809. #if defined(GET_GL_PROC_ADDRESS)
  810.     glx::glBindAttribLocationARB = (glx::PFNGLBINDATTRIBLOCATIONARBPROC) GET_GL_PROC_ADDRESS("glBindAttribLocationARB");
  811.     glx::glGetActiveAttribARB = (glx::PFNGLGETACTIVEATTRIBARBPROC) GET_GL_PROC_ADDRESS("glGetActiveAttribARB");
  812.     glx::glGetAttribLocationARB = (glx::PFNGLGETATTRIBLOCATIONARBPROC) GET_GL_PROC_ADDRESS("glGetAttribLocationARB");
  813. #endif
  814. }
  817. static void InitExt_ARB_shader_objects()
  818. {
  819. #if defined(GET_GL_PROC_ADDRESS)
  820.     glx::glDeleteObjectARB = (glx::PFNGLDELETEOBJECTARBPROC) GET_GL_PROC_ADDRESS("glDeleteObjectARB");
  821.     glx::glGetHandleARB = (glx::PFNGLGETHANDLEARBPROC) GET_GL_PROC_ADDRESS("glGetHandleARB");
  822.     glx::glDetachObjectARB = (glx::PFNGLDETACHOBJECTARBPROC) GET_GL_PROC_ADDRESS("glDetachObjectARB");
  823.     glx::glCreateShaderObjectARB = (glx::PFNGLCREATESHADEROBJECTARBPROC) GET_GL_PROC_ADDRESS("glCreateShaderObjectARB");
  824.     glx::glShaderSourceARB = (glx::PFNGLSHADERSOURCEARBPROC) GET_GL_PROC_ADDRESS("glShaderSourceARB");
  825.     glx::glCompileShaderARB = (glx::PFNGLCOMPILESHADERARBPROC) GET_GL_PROC_ADDRESS("glCompileShaderARB");
  826.     glx::glCreateProgramObjectARB = (glx::PFNGLCREATEPROGRAMOBJECTARBPROC) GET_GL_PROC_ADDRESS("glCreateProgramObjectARB");
  827.     glx::glAttachObjectARB = (glx::PFNGLATTACHOBJECTARBPROC) GET_GL_PROC_ADDRESS("glAttachObjectARB");
  828.     glx::glLinkProgramARB = (glx::PFNGLLINKPROGRAMARBPROC) GET_GL_PROC_ADDRESS("glLinkProgramARB");
  829.     glx::glUseProgramObjectARB = (glx::PFNGLUSEPROGRAMOBJECTARBPROC) GET_GL_PROC_ADDRESS("glUseProgramObjectARB");
  830.     glx::glValidateProgramARB = (glx::PFNGLVALIDATEPROGRAMARBPROC) GET_GL_PROC_ADDRESS("glValidateProgramARB");
  831.     glx::glUniform1fARB = (glx::PFNGLUNIFORM1FARBPROC) GET_GL_PROC_ADDRESS("glUniform1fARB");
  832.     glx::glUniform2fARB = (glx::PFNGLUNIFORM2FARBPROC) GET_GL_PROC_ADDRESS("glUniform2fARB");
  833.     glx::glUniform3fARB = (glx::PFNGLUNIFORM3FARBPROC) GET_GL_PROC_ADDRESS("glUniform3fARB");
  834.     glx::glUniform4fARB = (glx::PFNGLUNIFORM4FARBPROC) GET_GL_PROC_ADDRESS("glUniform4fARB");
  835.     glx::glUniform1iARB = (glx::PFNGLUNIFORM1IARBPROC) GET_GL_PROC_ADDRESS("glUniform1iARB");
  836.     glx::glUniform2iARB = (glx::PFNGLUNIFORM2IARBPROC) GET_GL_PROC_ADDRESS("glUniform2iARB");
  837.     glx::glUniform3iARB = (glx::PFNGLUNIFORM3IARBPROC) GET_GL_PROC_ADDRESS("glUniform3iARB");
  838.     glx::glUniform4iARB = (glx::PFNGLUNIFORM4IARBPROC) GET_GL_PROC_ADDRESS("glUniform4iARB");
  839.     glx::glUniform1fvARB = (glx::PFNGLUNIFORM1FVARBPROC) GET_GL_PROC_ADDRESS("glUniform1fvARB");
  840.     glx::glUniform2fvARB = (glx::PFNGLUNIFORM2FVARBPROC) GET_GL_PROC_ADDRESS("glUniform2fvARB");
  841.     glx::glUniform3fvARB = (glx::PFNGLUNIFORM3FVARBPROC) GET_GL_PROC_ADDRESS("glUniform3fvARB");
  842.     glx::glUniform4fvARB = (glx::PFNGLUNIFORM4FVARBPROC) GET_GL_PROC_ADDRESS("glUniform4fvARB");
  843.     glx::glUniform1ivARB = (glx::PFNGLUNIFORM1IVARBPROC) GET_GL_PROC_ADDRESS("glUniform1ivARB");
  844.     glx::glUniform2ivARB = (glx::PFNGLUNIFORM2IVARBPROC) GET_GL_PROC_ADDRESS("glUniform2ivARB");
  845.     glx::glUniform3ivARB = (glx::PFNGLUNIFORM3IVARBPROC) GET_GL_PROC_ADDRESS("glUniform3ivARB");
  846.     glx::glUniform4ivARB = (glx::PFNGLUNIFORM4IVARBPROC) GET_GL_PROC_ADDRESS("glUniform4ivARB");
  847.     glx::glUniformMatrix2fvARB = (glx::PFNGLUNIFORMMATRIX2FVARBPROC) GET_GL_PROC_ADDRESS("glUniformMatrix2fvARB");
  848.     glx::glUniformMatrix3fvARB = (glx::PFNGLUNIFORMMATRIX3FVARBPROC) GET_GL_PROC_ADDRESS("glUniformMatrix3fvARB");
  849.     glx::glUniformMatrix4fvARB = (glx::PFNGLUNIFORMMATRIX4FVARBPROC) GET_GL_PROC_ADDRESS("glUniformMatrix4fvARB");
  850.     glx::glGetObjectParameterfvARB = (glx::PFNGLGETOBJECTPARAMETERFVARBPROC) GET_GL_PROC_ADDRESS("glGetObjectParameterfvARB");
  851.     glx::glGetObjectParameterivARB = (glx::PFNGLGETOBJECTPARAMETERIVARBPROC) GET_GL_PROC_ADDRESS("glGetObjectParameterivARB");
  852.     glx::glGetInfoLogARB = (glx::PFNGLGETINFOLOGARBPROC) GET_GL_PROC_ADDRESS("glGetInfoLogARB");
  853.     glx::glGetAttachedObjectsARB = (glx::PFNGLGETATTACHEDOBJECTSARBPROC) GET_GL_PROC_ADDRESS("glGetAttachedObjectsARB");
  854.     glx::glGetUniformLocationARB = (glx::PFNGLGETUNIFORMLOCATIONARBPROC) GET_GL_PROC_ADDRESS("glGetUniformLocationARB");
  855.     glx::glGetActiveUniformARB = (glx::PFNGLGETACTIVEUNIFORMARBPROC) GET_GL_PROC_ADDRESS("glGetActiveUniformARB");
  856.     glx::glGetUniformfvARB = (glx::PFNGLGETUNIFORMFVARBPROC) GET_GL_PROC_ADDRESS("glGetUniformfvARB");
  857.     glx::glGetUniformivARB = (glx::PFNGLGETUNIFORMIVARBPROC) GET_GL_PROC_ADDRESS("glGetUniformivARB");
  858.     glx::glGetShaderSourceARB = (glx::PFNGLGETSHADERSOURCEARBPROC) GET_GL_PROC_ADDRESS("glGetShaderSourceARB");
  859. #endif
  860. }
  863. static void InitExt_ARB_color_buffer_float()
  864. {
  865. #if defined(GET_GL_PROC_ADDRESS)
  866.     glx::glClampColorARB = (glx::PFNGLCLAMPCOLORARBPROC) GET_GL_PROC_ADDRESS("glClampColorARB");
  867. #endif
  868. }
  870. static void InitExt_EXT_framebuffer_object()
  871. {
  872. #if defined(GET_GL_PROC_ADDRESS)
  873.     glx::glIsRenderbufferEXT = (glx::PFNGLISRENDERBUFFEREXTPROC) GET_GL_PROC_ADDRESS("glIsRenderbufferEXT");
  874.     glx::glBindRenderbufferEXT = (glx::PFNGLBINDRENDERBUFFEREXTPROC) GET_GL_PROC_ADDRESS("glBindRenderbufferEXT");
  875.     glx::glDeleteRenderbuffersEXT = (glx::PFNGLDELETERENDERBUFFERSEXTPROC) GET_GL_PROC_ADDRESS("glDeleteRenderbuffersEXT");
  876.     glx::glGenRenderbuffersEXT = (glx::PFNGLGENRENDERBUFFERSEXTPROC) GET_GL_PROC_ADDRESS("glGenRenderbuffersEXT");
  877.     glx::glRenderbufferStorageEXT = (glx::PFNGLRENDERBUFFERSTORAGEEXTPROC) GET_GL_PROC_ADDRESS("glRenderbufferStorageEXT");
  878.     glx::glGetRenderbufferParameterivEXT = (glx::PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC) GET_GL_PROC_ADDRESS("glGetRenderbufferParameterivEXT");
  879.     glx::glIsFramebufferEXT = (glx::PFNGLISFRAMEBUFFEREXTPROC) GET_GL_PROC_ADDRESS("glIsFramebufferEXT");
  880.     glx::glBindFramebufferEXT = (glx::PFNGLBINDFRAMEBUFFEREXTPROC) GET_GL_PROC_ADDRESS("glBindFramebufferEXT");
  881.     glx::glDeleteFramebuffersEXT = (glx::PFNGLDELETEFRAMEBUFFERSEXTPROC) GET_GL_PROC_ADDRESS("glDeleteFramebuffersEXT");
  882.     glx::glGenFramebuffersEXT = (glx::PFNGLGENFRAMEBUFFERSEXTPROC) GET_GL_PROC_ADDRESS("glGenFramebuffersEXT");
  883.     glx::glCheckFramebufferStatusEXT = (glx::PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC) GET_GL_PROC_ADDRESS("glCheckFramebufferStatusEXT");
  884.     glx::glFramebufferTexture1DEXT  = (glx::PFNGLFRAMEBUFFERTEXTURE1DEXTPROC) GET_GL_PROC_ADDRESS("glFramebufferTexture1DEXT");
  885.     glx::glFramebufferTexture2DEXT  = (glx::PFNGLFRAMEBUFFERTEXTURE2DEXTPROC) GET_GL_PROC_ADDRESS("glFramebufferTexture2DEXT");
  886.     glx::glFramebufferTexture3DEXT  = (glx::PFNGLFRAMEBUFFERTEXTURE3DEXTPROC) GET_GL_PROC_ADDRESS("glFramebufferTexture3DEXT");
  887.     glx::glFramebufferRenderbufferEXT = (glx::PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC) GET_GL_PROC_ADDRESS("glFramebufferRenderbufferEXT");
  888.     glx::glGetFramebufferAttachmentParameterivEXT = (glx::PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC) GET_GL_PROC_ADDRESS("glGetFramebufferAttachmentParameterivEXT");
  889.     glx::glGenerateMipmapEXT = (glx::PFNGLGENERATEMIPMAPEXTPROC) GET_GL_PROC_ADDRESS("glGenerateMipmapEXT");   
  890. #endif
  891. }
  893. void InitExtension(const char* ext)
  894. {
  895.     if (!strcmp(ext, "GL_NV_fragment_program"))
  896.         InitExt_NV_fragment_program();
  897.     else if (!strcmp(ext, "GL_ARB_vertex_program"))
  898.         InitExt_ARB_vertex_program();
  899.     else if (!strcmp(ext, "GL_ARB_multitexture"))
  900.         InitExt_ARB_multitexture();
  901.     else if (!strcmp(ext, "GL_ARB_vertex_buffer_object"))
  902.         InitExt_ARB_vertex_buffer_object();
  903.     else if (!strcmp(ext, "GL_NV_register_combiners"))
  904.         InitExt_NV_register_combiners();
  905.     else if (!strcmp(ext, "GL_NV_register_combiners2"))
  906.         InitExt_NV_register_combiners2();
  907.     else if (!strcmp(ext, "GL_NV_vertex_program"))
  908.         InitExt_NV_vertex_program();
  909.     else if (!strcmp(ext, "GL_ARB_texture_compression"))
  910.         InitExt_ARB_texture_compression();
  911.     else if (!strcmp(ext, "GL_EXT_blend_minmax"))
  912.         InitExt_EXT_blend_minmax();
  913.     else if (!strcmp(ext, "GL_EXT_paletted_texture"))
  914.         InitExt_EXT_paletted_texture();
  915.     else if (!strcmp(ext, "GL_ARB_shader_objects"))
  916.         InitExt_ARB_shader_objects();
  917.     else if (!strcmp(ext, "GL_ARB_vertex_shader"))
  918.         InitExt_ARB_vertex_shader();
  919.     else if (!strcmp(ext, "WGL_EXT_swap_control"))
  920.         InitExt_EXT_swap_control();
  921.     else if (!strcmp(ext, "GLX_SGI_video_sync"))
  922.         InitExt_GLX_SGI_video_sync();
  923.     else if (!strcmp(ext, "GLX_ARB_color_buffer_float"))
  924.         InitExt_ARB_color_buffer_float();
  925.     else if (!strcmp(ext, "GL_EXT_framebuffer_object"))
  926.         InitExt_EXT_framebuffer_object();
  927. }
  930. bool ExtensionSupported(const char *ext)
  931. {
  932.     char *extensions = (char *) glGetString(GL_EXTENSIONS);
  934.     if (extensions == NULL)
  935.         return false;
  937.     int len = strlen(ext);
  938.     for (;;) {
  939.         if (strncmp(extensions, ext, len) == 0)
  940.             return true;
  941.         extensions = strchr(extensions, ' ');
  942.         if  (extensions != NULL)
  943.             extensions++;
  944.         else
  945.             break;
  946.     }
  948.     return false;
  949. }