278 lines
20 KiB
C
278 lines
20 KiB
C
/**
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* Utility for getting OpenGL extension function pointers
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* Meant to be #included.
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*/
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/* OpenGL 2.0 */
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static PFNGLATTACHSHADERPROC glAttachShader_func = NULL;
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static PFNGLBINDATTRIBLOCATIONPROC glBindAttribLocation_func = NULL;
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static PFNGLCOMPILESHADERPROC glCompileShader_func = NULL;
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static PFNGLCREATEPROGRAMPROC glCreateProgram_func = NULL;
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static PFNGLCREATESHADERPROC glCreateShader_func = NULL;
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static PFNGLDELETEPROGRAMPROC glDeleteProgram_func = NULL;
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static PFNGLDELETESHADERPROC glDeleteShader_func = NULL;
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static PFNGLGETACTIVEATTRIBPROC glGetActiveAttrib_func = NULL;
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static PFNGLGETACTIVEUNIFORMPROC glGetActiveUniform_func = NULL;
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static PFNGLGETATTACHEDSHADERSPROC glGetAttachedShaders_func = NULL;
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static PFNGLGETATTRIBLOCATIONPROC glGetAttribLocation_func = NULL;
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static PFNGLGETPROGRAMINFOLOGPROC glGetProgramInfoLog_func = NULL;
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static PFNGLGETSHADERINFOLOGPROC glGetShaderInfoLog_func = NULL;
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static PFNGLGETSHADERIVPROC glGetShaderiv_func = NULL;
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static PFNGLGETPROGRAMIVPROC glGetProgramiv_func = NULL;
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static PFNGLGETSHADERSOURCEPROC glGetShaderSource_func = NULL;
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static PFNGLGETUNIFORMFVPROC glGetUniformfv_func = NULL;
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static PFNGLGETUNIFORMLOCATIONPROC glGetUniformLocation_func = NULL;
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static PFNGLISPROGRAMPROC glIsProgram_func = NULL;
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static PFNGLISSHADERPROC glIsShader_func = NULL;
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static PFNGLLINKPROGRAMPROC glLinkProgram_func = NULL;
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static PFNGLSHADERSOURCEPROC glShaderSource_func = NULL;
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static PFNGLUNIFORM1IPROC glUniform1i_func = NULL;
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static PFNGLUNIFORM2IPROC glUniform2i_func = NULL;
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static PFNGLUNIFORM3IPROC glUniform3i_func = NULL;
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static PFNGLUNIFORM4IPROC glUniform4i_func = NULL;
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static PFNGLUNIFORM1FPROC glUniform1f_func = NULL;
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static PFNGLUNIFORM2FPROC glUniform2f_func = NULL;
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static PFNGLUNIFORM3FPROC glUniform3f_func = NULL;
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static PFNGLUNIFORM4FPROC glUniform4f_func = NULL;
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static PFNGLUNIFORM1FVPROC glUniform1fv_func = NULL;
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static PFNGLUNIFORM2FVPROC glUniform2fv_func = NULL;
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static PFNGLUNIFORM3FVPROC glUniform3fv_func = NULL;
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static PFNGLUNIFORM4FVPROC glUniform4fv_func = NULL;
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static PFNGLUNIFORMMATRIX2FVPROC glUniformMatrix2fv_func = NULL;
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static PFNGLUNIFORMMATRIX3FVPROC glUniformMatrix3fv_func = NULL;
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static PFNGLUNIFORMMATRIX4FVPROC glUniformMatrix4fv_func = NULL;
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static PFNGLUSEPROGRAMPROC glUseProgram_func = NULL;
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static PFNGLVERTEXATTRIB1FPROC glVertexAttrib1f_func = NULL;
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static PFNGLVERTEXATTRIB2FPROC glVertexAttrib2f_func = NULL;
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static PFNGLVERTEXATTRIB3FPROC glVertexAttrib3f_func = NULL;
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static PFNGLVERTEXATTRIB4FPROC glVertexAttrib4f_func = NULL;
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static PFNGLVERTEXATTRIB1FVPROC glVertexAttrib1fv_func = NULL;
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static PFNGLVERTEXATTRIB2FVPROC glVertexAttrib2fv_func = NULL;
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static PFNGLVERTEXATTRIB3FVPROC glVertexAttrib3fv_func = NULL;
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static PFNGLVERTEXATTRIB4FVPROC glVertexAttrib4fv_func = NULL;
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static PFNGLVERTEXATTRIBPOINTERPROC glVertexAttribPointer_func = NULL;
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static PFNGLENABLEVERTEXATTRIBARRAYPROC glEnableVertexAttribArray_func = NULL;
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static PFNGLDISABLEVERTEXATTRIBARRAYPROC glDisableVertexAttribArray_func = NULL;
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/* OpenGL 2.1 */
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static PFNGLUNIFORMMATRIX2X3FVPROC glUniformMatrix2x3fv_func = NULL;
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static PFNGLUNIFORMMATRIX3X2FVPROC glUniformMatrix3x2fv_func = NULL;
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static PFNGLUNIFORMMATRIX2X4FVPROC glUniformMatrix2x4fv_func = NULL;
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static PFNGLUNIFORMMATRIX4X2FVPROC glUniformMatrix4x2fv_func = NULL;
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static PFNGLUNIFORMMATRIX3X4FVPROC glUniformMatrix3x4fv_func = NULL;
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static PFNGLUNIFORMMATRIX4X3FVPROC glUniformMatrix4x3fv_func = NULL;
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/* OpenGL 1.4 */
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static PFNGLPOINTPARAMETERFVPROC glPointParameterfv_func = NULL;
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static PFNGLSECONDARYCOLOR3FVPROC glSecondaryColor3fv_func = NULL;
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/* GL_ARB_vertex/fragment_program */
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static PFNGLBINDPROGRAMARBPROC glBindProgramARB_func = NULL;
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static PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB_func = NULL;
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static PFNGLGENPROGRAMSARBPROC glGenProgramsARB_func = NULL;
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static PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC glGetProgramLocalParameterdvARB_func = NULL;
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static PFNGLISPROGRAMARBPROC glIsProgramARB_func = NULL;
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static PFNGLPROGRAMLOCALPARAMETER4DARBPROC glProgramLocalParameter4dARB_func = NULL;
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static PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB_func = NULL;
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static PFNGLPROGRAMSTRINGARBPROC glProgramStringARB_func = NULL;
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static PFNGLVERTEXATTRIB1FARBPROC glVertexAttrib1fARB_func = NULL;
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/* GL_APPLE_vertex_array_object */
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static PFNGLBINDVERTEXARRAYAPPLEPROC glBindVertexArrayAPPLE_func = NULL;
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static PFNGLDELETEVERTEXARRAYSAPPLEPROC glDeleteVertexArraysAPPLE_func = NULL;
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static PFNGLGENVERTEXARRAYSAPPLEPROC glGenVertexArraysAPPLE_func = NULL;
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static PFNGLISVERTEXARRAYAPPLEPROC glIsVertexArrayAPPLE_func = NULL;
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/* GL_EXT_stencil_two_side */
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static PFNGLACTIVESTENCILFACEEXTPROC glActiveStencilFaceEXT_func = NULL;
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/* GL_ARB_buffer_object */
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static PFNGLGENBUFFERSARBPROC glGenBuffersARB_func = NULL;
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static PFNGLDELETEBUFFERSARBPROC glDeleteBuffersARB_func = NULL;
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static PFNGLBINDBUFFERARBPROC glBindBufferARB_func = NULL;
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static PFNGLBUFFERDATAARBPROC glBufferDataARB_func = NULL;
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static PFNGLBUFFERSUBDATAARBPROC glBufferSubDataARB_func = NULL;
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static PFNGLMAPBUFFERARBPROC glMapBufferARB_func = NULL;
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static PFNGLUNMAPBUFFERARBPROC glUnmapBufferARB_func = NULL;
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/* GL_EXT_framebuffer_object */
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static PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT_func = NULL;
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static PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT_func = NULL;
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static PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT_func = NULL;
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static PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT_func = NULL;
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static PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT_func = NULL;
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static PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT_func = NULL;
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static PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT_func = NULL;
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static PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT_func = NULL;
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static PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT_func = NULL;
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static PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT_func = NULL;
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static PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT_func = NULL;
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static PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT_func = NULL;
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static PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT_func = NULL;
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static PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT_func = NULL;
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static PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT_func = NULL;
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static PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT_func = NULL;
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static PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT_func = NULL;
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/* GL_ARB_framebuffer_object */
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static PFNGLISRENDERBUFFERPROC glIsRenderbuffer_func = NULL;
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static PFNGLBINDRENDERBUFFERPROC glBindRenderbuffer_func = NULL;
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static PFNGLDELETERENDERBUFFERSPROC glDeleteRenderbuffers_func = NULL;
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static PFNGLGENRENDERBUFFERSPROC glGenRenderbuffers_func = NULL;
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static PFNGLRENDERBUFFERSTORAGEPROC glRenderbufferStorage_func = NULL;
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static PFNGLGETRENDERBUFFERPARAMETERIVPROC glGetRenderbufferParameteriv_func = NULL;
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static PFNGLISFRAMEBUFFERPROC glIsFramebuffer_func = NULL;
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static PFNGLBINDFRAMEBUFFERPROC glBindFramebuffer_func = NULL;
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static PFNGLDELETEFRAMEBUFFERSPROC glDeleteFramebuffers_func = NULL;
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static PFNGLGENFRAMEBUFFERSPROC glGenFramebuffers_func = NULL;
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static PFNGLCHECKFRAMEBUFFERSTATUSPROC glCheckFramebufferStatus_func = NULL;
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static PFNGLFRAMEBUFFERTEXTURE1DPROC glFramebufferTexture1D_func = NULL;
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static PFNGLFRAMEBUFFERTEXTURE2DPROC glFramebufferTexture2D_func = NULL;
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static PFNGLFRAMEBUFFERTEXTURE3DPROC glFramebufferTexture3D_func = NULL;
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static PFNGLFRAMEBUFFERRENDERBUFFERPROC glFramebufferRenderbuffer_func = NULL;
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static PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glGetFramebufferAttachmentParameteriv_func = NULL;
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static PFNGLGENERATEMIPMAPPROC glGenerateMipmap_func = NULL;
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static PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer_func = NULL;
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static PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glRenderbufferStorageMultisample_func = NULL;
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static PFNGLFRAMEBUFFERTEXTURELAYERPROC glFramebufferTextureLayer_func = NULL;
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static void
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GetExtensionFuncs(void)
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{
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/* OpenGL 2.0 */
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glAttachShader_func = (PFNGLATTACHSHADERPROC) glutGetProcAddress("glAttachShader");
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glBindAttribLocation_func = (PFNGLBINDATTRIBLOCATIONPROC) glutGetProcAddress("glBindAttribLocation");
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glCompileShader_func = (PFNGLCOMPILESHADERPROC) glutGetProcAddress("glCompileShader");
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glCreateProgram_func = (PFNGLCREATEPROGRAMPROC) glutGetProcAddress("glCreateProgram");
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glCreateShader_func = (PFNGLCREATESHADERPROC) glutGetProcAddress("glCreateShader");
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glDeleteProgram_func = (PFNGLDELETEPROGRAMPROC) glutGetProcAddress("glDeleteProgram");
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glDeleteShader_func = (PFNGLDELETESHADERPROC) glutGetProcAddress("glDeleteShader");
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glGetActiveAttrib_func = (PFNGLGETACTIVEATTRIBPROC) glutGetProcAddress("glGetActiveAttrib");
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glGetActiveUniform_func = (PFNGLGETACTIVEUNIFORMPROC) glutGetProcAddress("glGetActiveUniform");
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glGetAttachedShaders_func = (PFNGLGETATTACHEDSHADERSPROC) glutGetProcAddress("glGetAttachedShaders");
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glGetAttribLocation_func = (PFNGLGETATTRIBLOCATIONPROC) glutGetProcAddress("glGetAttribLocation");
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glGetProgramInfoLog_func = (PFNGLGETPROGRAMINFOLOGPROC) glutGetProcAddress("glGetProgramInfoLog");
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glGetShaderInfoLog_func = (PFNGLGETSHADERINFOLOGPROC) glutGetProcAddress("glGetShaderInfoLog");
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glGetProgramiv_func = (PFNGLGETPROGRAMIVPROC) glutGetProcAddress("glGetProgramiv");
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glGetShaderiv_func = (PFNGLGETSHADERIVPROC) glutGetProcAddress("glGetShaderiv");
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glGetShaderSource_func = (PFNGLGETSHADERSOURCEPROC) glutGetProcAddress("glGetShaderSource");
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glGetUniformLocation_func = (PFNGLGETUNIFORMLOCATIONPROC) glutGetProcAddress("glGetUniformLocation");
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glGetUniformfv_func = (PFNGLGETUNIFORMFVPROC) glutGetProcAddress("glGetUniformfv");
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glIsProgram_func = (PFNGLISPROGRAMPROC) glutGetProcAddress("glIsProgram");
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glIsShader_func = (PFNGLISSHADERPROC) glutGetProcAddress("glIsShader");
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glLinkProgram_func = (PFNGLLINKPROGRAMPROC) glutGetProcAddress("glLinkProgram");
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glShaderSource_func = (PFNGLSHADERSOURCEPROC) glutGetProcAddress("glShaderSource");
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glUniform1i_func = (PFNGLUNIFORM1IPROC) glutGetProcAddress("glUniform1i");
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glUniform2i_func = (PFNGLUNIFORM2IPROC) glutGetProcAddress("glUniform2i");
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glUniform3i_func = (PFNGLUNIFORM3IPROC) glutGetProcAddress("glUniform3i");
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glUniform4i_func = (PFNGLUNIFORM4IPROC) glutGetProcAddress("glUniform3i");
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glUniform1f_func = (PFNGLUNIFORM1FPROC) glutGetProcAddress("glUniform1f");
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glUniform2f_func = (PFNGLUNIFORM2FPROC) glutGetProcAddress("glUniform2f");
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glUniform3f_func = (PFNGLUNIFORM3FPROC) glutGetProcAddress("glUniform3f");
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glUniform4f_func = (PFNGLUNIFORM4FPROC) glutGetProcAddress("glUniform4f");
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glUniform1fv_func = (PFNGLUNIFORM1FVPROC) glutGetProcAddress("glUniform1fv");
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glUniform2fv_func = (PFNGLUNIFORM2FVPROC) glutGetProcAddress("glUniform2fv");
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glUniform3fv_func = (PFNGLUNIFORM3FVPROC) glutGetProcAddress("glUniform3fv");
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glUniform4fv_func = (PFNGLUNIFORM3FVPROC) glutGetProcAddress("glUniform4fv");
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glUniformMatrix2fv_func = (PFNGLUNIFORMMATRIX2FVPROC) glutGetProcAddress("glUniformMatrix2fv");
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glUniformMatrix3fv_func = (PFNGLUNIFORMMATRIX3FVPROC) glutGetProcAddress("glUniformMatrix3fv");
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glUniformMatrix4fv_func = (PFNGLUNIFORMMATRIX4FVPROC) glutGetProcAddress("glUniformMatrix4fv");
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glUseProgram_func = (PFNGLUSEPROGRAMPROC) glutGetProcAddress("glUseProgram");
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glVertexAttrib1f_func = (PFNGLVERTEXATTRIB1FPROC) glutGetProcAddress("glVertexAttrib1f");
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glVertexAttrib2f_func = (PFNGLVERTEXATTRIB2FPROC) glutGetProcAddress("glVertexAttrib2f");
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glVertexAttrib3f_func = (PFNGLVERTEXATTRIB3FPROC) glutGetProcAddress("glVertexAttrib3f");
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glVertexAttrib4f_func = (PFNGLVERTEXATTRIB4FPROC) glutGetProcAddress("glVertexAttrib4f");
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glVertexAttrib1fv_func = (PFNGLVERTEXATTRIB1FVPROC) glutGetProcAddress("glVertexAttrib1fv");
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glVertexAttrib2fv_func = (PFNGLVERTEXATTRIB2FVPROC) glutGetProcAddress("glVertexAttrib2fv");
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glVertexAttrib3fv_func = (PFNGLVERTEXATTRIB3FVPROC) glutGetProcAddress("glVertexAttrib3fv");
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glVertexAttrib4fv_func = (PFNGLVERTEXATTRIB4FVPROC) glutGetProcAddress("glVertexAttrib4fv");
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glVertexAttribPointer_func = (PFNGLVERTEXATTRIBPOINTERPROC) glutGetProcAddress("glVertexAttribPointer");
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glEnableVertexAttribArray_func = (PFNGLENABLEVERTEXATTRIBARRAYPROC) glutGetProcAddress("glEnableVertexAttribArray");
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glDisableVertexAttribArray_func = (PFNGLDISABLEVERTEXATTRIBARRAYPROC) glutGetProcAddress("glDisableVertexAttribArray");
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/* OpenGL 2.1 */
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glUniformMatrix2x3fv_func = (PFNGLUNIFORMMATRIX2X3FVPROC) glutGetProcAddress("glUniformMatrix2x3fv");
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glUniformMatrix3x2fv_func = (PFNGLUNIFORMMATRIX3X2FVPROC) glutGetProcAddress("glUniformMatrix3x2fv");
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glUniformMatrix2x4fv_func = (PFNGLUNIFORMMATRIX2X4FVPROC) glutGetProcAddress("glUniformMatrix2x4fv");
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glUniformMatrix4x2fv_func = (PFNGLUNIFORMMATRIX4X2FVPROC) glutGetProcAddress("glUniformMatrix4x2fv");
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glUniformMatrix3x4fv_func = (PFNGLUNIFORMMATRIX3X4FVPROC) glutGetProcAddress("glUniformMatrix3x4fv");
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glUniformMatrix4x3fv_func = (PFNGLUNIFORMMATRIX4X3FVPROC) glutGetProcAddress("glUniformMatrix4x3fv");
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/* OpenGL 1.4 */
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glPointParameterfv_func = (PFNGLPOINTPARAMETERFVPROC) glutGetProcAddress("glPointParameterfv");
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glSecondaryColor3fv_func = (PFNGLSECONDARYCOLOR3FVPROC) glutGetProcAddress("glSecondaryColor3fv");
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/* GL_ARB_vertex/fragment_program */
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glBindProgramARB_func = (PFNGLBINDPROGRAMARBPROC) glutGetProcAddress("glBindProgramARB");
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glDeleteProgramsARB_func = (PFNGLDELETEPROGRAMSARBPROC) glutGetProcAddress("glDeleteProgramsARB");
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glGenProgramsARB_func = (PFNGLGENPROGRAMSARBPROC) glutGetProcAddress("glGenProgramsARB");
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glGetProgramLocalParameterdvARB_func = (PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC) glutGetProcAddress("glGetProgramLocalParameterdvARB");
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glIsProgramARB_func = (PFNGLISPROGRAMARBPROC) glutGetProcAddress("glIsProgramARB");
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glProgramLocalParameter4dARB_func = (PFNGLPROGRAMLOCALPARAMETER4DARBPROC) glutGetProcAddress("glProgramLocalParameter4dARB");
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glProgramLocalParameter4fvARB_func = (PFNGLPROGRAMLOCALPARAMETER4FVARBPROC) glutGetProcAddress("glProgramLocalParameter4fvARB");
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glProgramStringARB_func = (PFNGLPROGRAMSTRINGARBPROC) glutGetProcAddress("glProgramStringARB");
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glVertexAttrib1fARB_func = (PFNGLVERTEXATTRIB1FARBPROC) glutGetProcAddress("glVertexAttrib1fARB");
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/* GL_APPLE_vertex_array_object */
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glBindVertexArrayAPPLE_func = (PFNGLBINDVERTEXARRAYAPPLEPROC) glutGetProcAddress("glBindVertexArrayAPPLE");
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glDeleteVertexArraysAPPLE_func = (PFNGLDELETEVERTEXARRAYSAPPLEPROC) glutGetProcAddress("glDeleteVertexArraysAPPLE");
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glGenVertexArraysAPPLE_func = (PFNGLGENVERTEXARRAYSAPPLEPROC) glutGetProcAddress("glGenVertexArraysAPPLE");
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glIsVertexArrayAPPLE_func = (PFNGLISVERTEXARRAYAPPLEPROC) glutGetProcAddress("glIsVertexArrayAPPLE");
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/* GL_EXT_stencil_two_side */
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glActiveStencilFaceEXT_func = (PFNGLACTIVESTENCILFACEEXTPROC) glutGetProcAddress("glActiveStencilFaceEXT");
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/* GL_ARB_vertex_buffer_object */
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glGenBuffersARB_func = (PFNGLGENBUFFERSARBPROC) glutGetProcAddress("glGenBuffersARB");
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glDeleteBuffersARB_func = (PFNGLDELETEBUFFERSARBPROC) glutGetProcAddress("glDeleteBuffersARB");
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glBindBufferARB_func = (PFNGLBINDBUFFERARBPROC) glutGetProcAddress("glBindBufferARB");
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glBufferDataARB_func = (PFNGLBUFFERDATAARBPROC) glutGetProcAddress("glBufferDataARB");
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glBufferSubDataARB_func = (PFNGLBUFFERSUBDATAARBPROC) glutGetProcAddress("glBufferSubDataARB");
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glMapBufferARB_func = (PFNGLMAPBUFFERARBPROC) glutGetProcAddress("glMapBufferARB");
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glUnmapBufferARB_func = (PFNGLUNMAPBUFFERARBPROC) glutGetProcAddress("glUnmapBufferARB");
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/* GL_EXT_framebuffer_object */
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glIsRenderbufferEXT_func = (PFNGLISRENDERBUFFEREXTPROC) glutGetProcAddress("glIsRenderbufferEXT");
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glBindRenderbufferEXT_func = (PFNGLBINDRENDERBUFFEREXTPROC) glutGetProcAddress("glBindRenderbufferEXT");
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glDeleteRenderbuffersEXT_func = (PFNGLDELETERENDERBUFFERSEXTPROC) glutGetProcAddress("glDeleteRenderbuffersEXT");
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glGenRenderbuffersEXT_func = (PFNGLGENRENDERBUFFERSEXTPROC) glutGetProcAddress("glGenRenderbuffersEXT");
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glRenderbufferStorageEXT_func = (PFNGLRENDERBUFFERSTORAGEEXTPROC) glutGetProcAddress("glRenderbufferStorageEXT");
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glGetRenderbufferParameterivEXT_func = (PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC) glutGetProcAddress("glGetRenderbufferParameterivEXT");
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glIsFramebufferEXT_func = (PFNGLISFRAMEBUFFEREXTPROC) glutGetProcAddress("glIsFramebufferEXT");
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glBindFramebufferEXT_func = (PFNGLBINDFRAMEBUFFEREXTPROC) glutGetProcAddress("glBindFramebufferEXT");
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glDeleteFramebuffersEXT_func = (PFNGLDELETEFRAMEBUFFERSEXTPROC) glutGetProcAddress("glDeleteFramebuffersEXT");
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glGenFramebuffersEXT_func = (PFNGLGENFRAMEBUFFERSEXTPROC) glutGetProcAddress("glGenFramebuffersEXT");
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glCheckFramebufferStatusEXT_func = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC) glutGetProcAddress("glCheckFramebufferStatusEXT");
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glFramebufferTexture1DEXT_func = (PFNGLFRAMEBUFFERTEXTURE1DEXTPROC) glutGetProcAddress("glFramebufferTexture1DEXT");
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glFramebufferTexture2DEXT_func = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC) glutGetProcAddress("glFramebufferTexture2DEXT");
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glFramebufferTexture3DEXT_func = (PFNGLFRAMEBUFFERTEXTURE3DEXTPROC) glutGetProcAddress("glFramebufferTexture3DEXT");
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glFramebufferRenderbufferEXT_func = (PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC) glutGetProcAddress("glFramebufferRenderbufferEXT");
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glGetFramebufferAttachmentParameterivEXT_func = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC) glutGetProcAddress("glGetFramebufferAttachmentParameterivEXT");
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glGenerateMipmapEXT_func = (PFNGLGENERATEMIPMAPEXTPROC) glutGetProcAddress("glGenerateMipmapEXT");
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/* GL_ARB_framebuffer_object */
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glIsRenderbuffer_func = (PFNGLISRENDERBUFFERPROC) glutGetProcAddress("glIsRenderbuffer");
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glBindRenderbuffer_func = (PFNGLBINDRENDERBUFFERPROC) glutGetProcAddress("glBindRenderbuffer");
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glDeleteRenderbuffers_func = (PFNGLDELETERENDERBUFFERSPROC) glutGetProcAddress("glDeleteRenderbuffers");
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glGenRenderbuffers_func = (PFNGLGENRENDERBUFFERSPROC) glutGetProcAddress("glGenRenderbuffers");
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glRenderbufferStorage_func = (PFNGLRENDERBUFFERSTORAGEPROC) glutGetProcAddress("glRenderbufferStorage");
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glGetRenderbufferParameteriv_func = (PFNGLGETRENDERBUFFERPARAMETERIVPROC) glutGetProcAddress("glGetRenderbufferParameteriv");
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glIsFramebuffer_func = (PFNGLISFRAMEBUFFERPROC) glutGetProcAddress("glIsFramebuffer");
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glBindFramebuffer_func = (PFNGLBINDFRAMEBUFFERPROC) glutGetProcAddress("glBindFramebuffer");
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glDeleteFramebuffers_func = (PFNGLDELETEFRAMEBUFFERSPROC) glutGetProcAddress("glDeleteFramebuffers");
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glGenFramebuffers_func = (PFNGLGENFRAMEBUFFERSPROC) glutGetProcAddress("glGenFramebuffers");
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glCheckFramebufferStatus_func = (PFNGLCHECKFRAMEBUFFERSTATUSPROC) glutGetProcAddress("glCheckFramebufferStatus");
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glFramebufferTexture1D_func = (PFNGLFRAMEBUFFERTEXTURE1DPROC) glutGetProcAddress("glFramebufferTexture1D");
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glFramebufferTexture2D_func = (PFNGLFRAMEBUFFERTEXTURE2DPROC) glutGetProcAddress("glFramebufferTexture2D");
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glFramebufferTexture3D_func = (PFNGLFRAMEBUFFERTEXTURE3DPROC) glutGetProcAddress("glFramebufferTexture3D");
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glFramebufferRenderbuffer_func = (PFNGLFRAMEBUFFERRENDERBUFFERPROC) glutGetProcAddress("glFramebufferRenderbuffer");
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glGetFramebufferAttachmentParameteriv_func = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC) glutGetProcAddress("glGetFramebufferAttachmentParameteriv");
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glGenerateMipmap_func = (PFNGLGENERATEMIPMAPPROC) glutGetProcAddress("glGenerateMipmap");
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glBlitFramebuffer_func = (PFNGLBLITFRAMEBUFFERPROC) glutGetProcAddress("glBlitFramebuffer");
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glRenderbufferStorageMultisample_func = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC) glutGetProcAddress("glRenderbufferStorageMultisample");
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glFramebufferTextureLayer_func = (PFNGLFRAMEBUFFERTEXTURELAYERPROC) glutGetProcAddress("glFramebufferTextureLayer");
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}
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