glh_genext.h

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            return FALSE;
        glExecuteProgramNV = (PFNGLEXECUTEPROGRAMNVPROC)GLH_EXT_GET_PROC_ADDRESS("glExecuteProgramNV");
        if (NULL == glExecuteProgramNV)
            return FALSE;
        glGenProgramsNV = (PFNGLGENPROGRAMSNVPROC)GLH_EXT_GET_PROC_ADDRESS("glGenProgramsNV");
        if (NULL == glGenProgramsNV)
            return FALSE;
        glGetProgramParameterdvNV = (PFNGLGETPROGRAMPARAMETERDVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glGetProgramParameterdvNV");
        if (NULL == glGetProgramParameterdvNV)
            return FALSE;
        glGetProgramParameterfvNV = (PFNGLGETPROGRAMPARAMETERFVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glGetProgramParameterfvNV");
        if (NULL == glGetProgramParameterfvNV)
            return FALSE;
        glGetProgramivNV = (PFNGLGETPROGRAMIVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glGetProgramivNV");
        if (NULL == glGetProgramivNV)
            return FALSE;
        glGetProgramStringNV = (PFNGLGETPROGRAMSTRINGNVPROC)GLH_EXT_GET_PROC_ADDRESS("glGetProgramStringNV");
        if (NULL == glGetProgramStringNV)
            return FALSE;
        glGetTrackMatrixivNV = (PFNGLGETTRACKMATRIXIVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glGetTrackMatrixivNV");
        if (NULL == glGetTrackMatrixivNV)
            return FALSE;
        glGetVertexAttribdvNV = (PFNGLGETVERTEXATTRIBDVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glGetVertexAttribdvNV");
        if (NULL == glGetVertexAttribdvNV)
            return FALSE;
        glGetVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glGetVertexAttribfvNV");
        if (NULL == glGetVertexAttribfvNV)
            return FALSE;
        glGetVertexAttribivNV = (PFNGLGETVERTEXATTRIBIVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glGetVertexAttribivNV");
        if (NULL == glGetVertexAttribivNV)
            return FALSE;
        glGetVertexAttribPointervNV = (PFNGLGETVERTEXATTRIBPOINTERVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glGetVertexAttribPointervNV");
		// temporary hack to deal with driver bug -- Cass
        if (NULL == glGetVertexAttribPointervNV)
			glGetVertexAttribPointervNV = (PFNGLGETVERTEXATTRIBPOINTERVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glGetVertexAttribPointerNV");
        if (NULL == glGetVertexAttribPointervNV)
            return FALSE;
        glIsProgramNV = (PFNGLISPROGRAMNVPROC)GLH_EXT_GET_PROC_ADDRESS("glIsProgramNV");
        if (NULL == glIsProgramNV)
            return FALSE;
        glLoadProgramNV = (PFNGLLOADPROGRAMNVPROC)GLH_EXT_GET_PROC_ADDRESS("glLoadProgramNV");
        if (NULL == glLoadProgramNV)
            return FALSE;
        glProgramParameter4dNV = (PFNGLPROGRAMPARAMETER4DNVPROC)GLH_EXT_GET_PROC_ADDRESS("glProgramParameter4dNV");
        if (NULL == glProgramParameter4dNV)
            return FALSE;
        glProgramParameter4dvNV = (PFNGLPROGRAMPARAMETER4DVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glProgramParameter4dvNV");
        if (NULL == glProgramParameter4dvNV)
            return FALSE;
        glProgramParameter4fNV = (PFNGLPROGRAMPARAMETER4FNVPROC)GLH_EXT_GET_PROC_ADDRESS("glProgramParameter4fNV");
        if (NULL == glProgramParameter4fNV)
            return FALSE;
        glProgramParameter4fvNV = (PFNGLPROGRAMPARAMETER4FVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glProgramParameter4fvNV");
        if (NULL == glProgramParameter4fvNV)
            return FALSE;
        glProgramParameters4dvNV = (PFNGLPROGRAMPARAMETERS4DVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glProgramParameters4dvNV");
        if (NULL == glProgramParameters4dvNV)
            return FALSE;
        glProgramParameters4fvNV = (PFNGLPROGRAMPARAMETERS4FVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glProgramParameters4fvNV");
        if (NULL == glProgramParameters4fvNV)
            return FALSE;
        glRequestResidentProgramsNV = (PFNGLREQUESTRESIDENTPROGRAMSNVPROC)GLH_EXT_GET_PROC_ADDRESS("glRequestResidentProgramsNV");
        if (NULL == glRequestResidentProgramsNV)
            return FALSE;
        glTrackMatrixNV = (PFNGLTRACKMATRIXNVPROC)GLH_EXT_GET_PROC_ADDRESS("glTrackMatrixNV");
        if (NULL == glTrackMatrixNV)
            return FALSE;
        glVertexAttribPointerNV = (PFNGLVERTEXATTRIBPOINTERNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttribPointerNV");
        if (NULL == glVertexAttribPointerNV)
            return FALSE;
        glVertexAttrib1dNV = (PFNGLVERTEXATTRIB1DNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib1dNV");
        if (NULL == glVertexAttrib1dNV)
            return FALSE;
        glVertexAttrib1dvNV = (PFNGLVERTEXATTRIB1DVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib1dvNV");
        if (NULL == glVertexAttrib1dvNV)
            return FALSE;
        glVertexAttrib1fNV = (PFNGLVERTEXATTRIB1FNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib1fNV");
        if (NULL == glVertexAttrib1fNV)
            return FALSE;
        glVertexAttrib1fvNV = (PFNGLVERTEXATTRIB1FVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib1fvNV");
        if (NULL == glVertexAttrib1fvNV)
            return FALSE;
        glVertexAttrib1sNV = (PFNGLVERTEXATTRIB1SNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib1sNV");
        if (NULL == glVertexAttrib1sNV)
            return FALSE;
        glVertexAttrib1svNV = (PFNGLVERTEXATTRIB1SVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib1svNV");
        if (NULL == glVertexAttrib1svNV)
            return FALSE;
        glVertexAttrib2dNV = (PFNGLVERTEXATTRIB2DNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib2dNV");
        if (NULL == glVertexAttrib2dNV)
            return FALSE;
        glVertexAttrib2dvNV = (PFNGLVERTEXATTRIB2DVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib2dvNV");
        if (NULL == glVertexAttrib2dvNV)
            return FALSE;
        glVertexAttrib2fNV = (PFNGLVERTEXATTRIB2FNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib2fNV");
        if (NULL == glVertexAttrib2fNV)
            return FALSE;
        glVertexAttrib2fvNV = (PFNGLVERTEXATTRIB2FVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib2fvNV");
        if (NULL == glVertexAttrib2fvNV)
            return FALSE;
        glVertexAttrib2sNV = (PFNGLVERTEXATTRIB2SNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib2sNV");
        if (NULL == glVertexAttrib2sNV)
            return FALSE;
        glVertexAttrib2svNV = (PFNGLVERTEXATTRIB2SVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib2svNV");
        if (NULL == glVertexAttrib2svNV)
            return FALSE;
        glVertexAttrib3dNV = (PFNGLVERTEXATTRIB3DNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib3dNV");
        if (NULL == glVertexAttrib3dNV)
            return FALSE;
        glVertexAttrib3dvNV = (PFNGLVERTEXATTRIB3DVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib3dvNV");
        if (NULL == glVertexAttrib3dvNV)
            return FALSE;
        glVertexAttrib3fNV = (PFNGLVERTEXATTRIB3FNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib3fNV");
        if (NULL == glVertexAttrib3fNV)
            return FALSE;
        glVertexAttrib3fvNV = (PFNGLVERTEXATTRIB3FVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib3fvNV");
        if (NULL == glVertexAttrib3fvNV)
            return FALSE;
        glVertexAttrib3sNV = (PFNGLVERTEXATTRIB3SNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib3sNV");
        if (NULL == glVertexAttrib3sNV)
            return FALSE;
        glVertexAttrib3svNV = (PFNGLVERTEXATTRIB3SVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib3svNV");
        if (NULL == glVertexAttrib3svNV)
            return FALSE;
        glVertexAttrib4dNV = (PFNGLVERTEXATTRIB4DNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib4dNV");
        if (NULL == glVertexAttrib4dNV)
            return FALSE;
        glVertexAttrib4dvNV = (PFNGLVERTEXATTRIB4DVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib4dvNV");
        if (NULL == glVertexAttrib4dvNV)
            return FALSE;
        glVertexAttrib4fNV = (PFNGLVERTEXATTRIB4FNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib4fNV");
        if (NULL == glVertexAttrib4fNV)
            return FALSE;
        glVertexAttrib4fvNV = (PFNGLVERTEXATTRIB4FVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib4fvNV");
        if (NULL == glVertexAttrib4fvNV)
            return FALSE;
        glVertexAttrib4sNV = (PFNGLVERTEXATTRIB4SNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib4sNV");
        if (NULL == glVertexAttrib4sNV)
            return FALSE;
        glVertexAttrib4svNV = (PFNGLVERTEXATTRIB4SVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib4svNV");
        if (NULL == glVertexAttrib4svNV)
            return FALSE;
        glVertexAttrib4ubvNV = (PFNGLVERTEXATTRIB4UBVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib4ubvNV");
        if (NULL == glVertexAttrib4ubvNV)
            return FALSE;
        glVertexAttribs1dvNV = (PFNGLVERTEXATTRIBS1DVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttribs1dvNV");
        if (NULL == glVertexAttribs1dvNV)
            return FALSE;
        glVertexAttribs1fvNV = (PFNGLVERTEXATTRIBS1FVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttribs1fvNV");
        if (NULL == glVertexAttribs1fvNV)
            return FALSE;
        glVertexAttribs1svNV = (PFNGLVERTEXATTRIBS1SVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttribs1svNV");
        if (NULL == glVertexAttribs1svNV)
            return FALSE;
        glVertexAttribs2dvNV = (PFNGLVERTEXATTRIBS2DVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttribs2dvNV");
        if (NULL == glVertexAttribs2dvNV)
            return FALSE;
        glVertexAttribs2fvNV = (PFNGLVERTEXATTRIBS2FVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttribs2fvNV");
        if (NULL == glVertexAttribs2fvNV)
            return FALSE;
        glVertexAttribs2svNV = (PFNGLVERTEXATTRIBS2SVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttribs2svNV");
        if (NULL == glVertexAttribs2svNV)
            return FALSE;
        glVertexAttribs3dvNV = (PFNGLVERTEXATTRIBS3DVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttribs3dvNV");
        if (NULL == glVertexAttribs3dvNV)
            return FALSE;
        glVertexAttribs3fvNV = (PFNGLVERTEXATTRIBS3FVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttribs3fvNV");
        if (NULL == glVertexAttribs3fvNV)
            return FALSE;
        glVertexAttribs3svNV = (PFNGLVERTEXATTRIBS3SVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttribs3svNV");
        if (NULL == glVertexAttribs3svNV)
            return FALSE;
        glVertexAttribs4dvNV = (PFNGLVERTEXATTRIBS4DVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttribs4dvNV");
        if (NULL == glVertexAttribs4dvNV)
            return FALSE;
        glVertexAttribs4fvNV = (PFNGLVERTEXATTRIBS4FVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttribs4fvNV");
        if (NULL == glVertexAttribs4fvNV)
            return FALSE;
        glVertexAttribs4svNV = (PFNGLVERTEXATTRIBS4SVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttribs4svNV");
        if (NULL == glVertexAttribs4svNV)
            return FALSE;
        glVertexAttribs4ubvNV = (PFNGLVERTEXATTRIBS4UBVNVPROC)GLH_EXT_GET_PROC_ADDRESS("glVertexAttribs4ubvNV");
        if (NULL == glVertexAttribs4ubvNV)
            return FALSE;
#endif

#ifdef GL_SGIS_texture_lod
    } else if (0 == strcmp(extension, "GL_SGIS_texture_lod")) {
#endif

#ifdef GL_SGIX_depth_texture
    } else if (0 == strcmp(extension, "GL_SGIX_depth_texture")) {
#endif

#ifdef GL_SGIX_shadow
    } else if (0 == strcmp(extension, "GL_SGIX_shadow")) {
#endif

#ifdef GL_VERSION_1_2
    } else if (0 == strcmp(extension, "GL_VERSION_1_2")) {
        _glBlendColor = (PFNGLBLENDCOLORPROC)GLH_EXT_GET_PROC_ADDRESS("glBlendColor");
        if (NULL == _glBlendColor)
            return FALSE;
        _glBlendEquation = (PFNGLBLENDEQUATIONPROC)GLH_EXT_GET_PROC_ADDRESS("glBlendEquation");
        if (NULL == _glBlendEquation)
            return FALSE;
        _glDrawRangeElements = (PFNGLDRAWRANGEELEMENTSPROC)GLH_EXT_GET_PROC_ADDRESS("glDrawRangeElements");
        if (NULL == _glDrawRangeElements)
            return FALSE;
        _glColorTable = (PFNGLCOLORTABLEPROC)GLH_EXT_GET_PROC_ADDRESS("glColorTable");
        if (NULL == _glColorTable)
            return FALSE;
        _glColorTableParameterfv = (PFNGLCOLORTABLEPARAMETERFVPROC)GLH_EXT_GET_PROC_ADDRESS("glColorTableParameterfv");
        if (NULL == _glColorTableParameterfv)
            return FALSE;
        _glColorTableParameteriv = (PFNGLCOLORTABLEPARAMETERIVPROC)GLH_EXT_GET_PROC_ADDRESS("glColorTableParameteriv");
        if (NULL == _glColorTableParameteriv)
            return FALSE;
        _glCopyColorTable = (PFNGLCOPYCOLORTABLEPROC)GLH_EXT_GET_PROC_ADDRESS("glCopyColorTable");
        if (NULL == _glCopyColorTable)
            return FALSE;
        _glGetColorTable = (PFNGLGETCOLORTABLEPROC)GLH_EXT_GET_PROC_ADDRESS("glGetColorTable");
        if (NULL == _glGetColorTable)
            return FALSE;
        _glGetColorTableParameterfv = (PFNGLGETCOLORTABLEPARAMETERFVPROC)GLH_EXT_GET_PROC_ADDRESS("glGetColorTableParameterfv");
        if (NULL == _glGetColorTableParameterfv)
            return FALSE;
        _glGetColorTableParameteriv = (PFNGLGETCOLORTABLEPARAMETERIVPROC)GLH_EXT_GET_PROC_ADDRESS("glGetColorTableParameteriv");
        if (NULL == _glGetColorTableParameteriv)
            return FALSE;
        _glTexImage3D = (PFNGLTEXIMAGE3DPROC)GLH_EXT_GET_PROC_ADDRESS("glTexImage3D");
        if (NULL == _glTexImage3D)
            return FALSE;
        _glTexSubImage3D = (PFNGLTEXSUBIMAGE3DPROC)GLH_EXT_GET_PROC_ADDRESS("glTexSubImage3D");
        if (NULL == _glTexSubImage3D)
            return FALSE;
        _glCopyTexSubImage3D = (PFNGLCOPYTEXSUBIMAGE3DPROC)GLH_EXT_GET_PROC_ADDRESS("glCopyTexSubImage3D");
        if (NULL == _glCopyTexSubImage3D)
            return FALSE;
#endif

#ifdef GL_WIN_swap_hint
    } else if (0 == strcmp(extension, "GL_WIN_swap_hint")) {
        glAddSwapHintRectWIN = (PFNGLADDSWAPHINTRECTWINPROC)GLH_EXT_GET_PROC_ADDRESS("glAddSwapHintRectWIN");
        if (NULL == glAddSwapHintRectWIN)
            return FALSE;
#endif

#ifdef WGL_ARB_pbuffer
    } else if (0 == strcmp(extension, "WGL_ARB_pbuffer")) {
# ifdef _WIN32
        wglCreatePbufferARB = (PFNWGLCREATEPBUFFERARBPROC)GLH_EXT_GET_PROC_ADDRESS("wglCreatePbufferARB");
        if (NULL == wglCreatePbuf