+ if(is_version_at_least(2, 0))
+ {
+ glBindAttribLocation = reinterpret_cast<PFNGLBINDATTRIBLOCATIONPROC>(get_proc_address("glBindAttribLocation"));
+ glDisableVertexAttribArray = reinterpret_cast<PFNGLDISABLEVERTEXATTRIBARRAYPROC>(get_proc_address("glDisableVertexAttribArray"));
+ glEnableVertexAttribArray = reinterpret_cast<PFNGLENABLEVERTEXATTRIBARRAYPROC>(get_proc_address("glEnableVertexAttribArray"));
+ glGetActiveAttrib = reinterpret_cast<PFNGLGETACTIVEATTRIBPROC>(get_proc_address("glGetActiveAttrib"));
+ glGetAttribLocation = reinterpret_cast<PFNGLGETATTRIBLOCATIONPROC>(get_proc_address("glGetAttribLocation"));
+ glGetVertexAttribPointerv = reinterpret_cast<PFNGLGETVERTEXATTRIBPOINTERVPROC>(get_proc_address("glGetVertexAttribPointerv"));
+ glGetVertexAttribdv = reinterpret_cast<PFNGLGETVERTEXATTRIBDVPROC>(get_proc_address("glGetVertexAttribdv"));
+ glGetVertexAttribfv = reinterpret_cast<PFNGLGETVERTEXATTRIBFVPROC>(get_proc_address("glGetVertexAttribfv"));
+ glGetVertexAttribiv = reinterpret_cast<PFNGLGETVERTEXATTRIBIVPROC>(get_proc_address("glGetVertexAttribiv"));
+ glVertexAttrib1d = reinterpret_cast<PFNGLVERTEXATTRIB1DPROC>(get_proc_address("glVertexAttrib1d"));
+ glVertexAttrib1dv = reinterpret_cast<PFNGLVERTEXATTRIB1DVPROC>(get_proc_address("glVertexAttrib1dv"));
+ glVertexAttrib1f = reinterpret_cast<PFNGLVERTEXATTRIB1FPROC>(get_proc_address("glVertexAttrib1f"));
+ glVertexAttrib1fv = reinterpret_cast<PFNGLVERTEXATTRIB1FVPROC>(get_proc_address("glVertexAttrib1fv"));
+ glVertexAttrib1s = reinterpret_cast<PFNGLVERTEXATTRIB1SPROC>(get_proc_address("glVertexAttrib1s"));
+ glVertexAttrib1sv = reinterpret_cast<PFNGLVERTEXATTRIB1SVPROC>(get_proc_address("glVertexAttrib1sv"));
+ glVertexAttrib2d = reinterpret_cast<PFNGLVERTEXATTRIB2DPROC>(get_proc_address("glVertexAttrib2d"));
+ glVertexAttrib2dv = reinterpret_cast<PFNGLVERTEXATTRIB2DVPROC>(get_proc_address("glVertexAttrib2dv"));
+ glVertexAttrib2f = reinterpret_cast<PFNGLVERTEXATTRIB2FPROC>(get_proc_address("glVertexAttrib2f"));
+ glVertexAttrib2fv = reinterpret_cast<PFNGLVERTEXATTRIB2FVPROC>(get_proc_address("glVertexAttrib2fv"));
+ glVertexAttrib2s = reinterpret_cast<PFNGLVERTEXATTRIB2SPROC>(get_proc_address("glVertexAttrib2s"));
+ glVertexAttrib2sv = reinterpret_cast<PFNGLVERTEXATTRIB2SVPROC>(get_proc_address("glVertexAttrib2sv"));
+ glVertexAttrib3d = reinterpret_cast<PFNGLVERTEXATTRIB3DPROC>(get_proc_address("glVertexAttrib3d"));
+ glVertexAttrib3dv = reinterpret_cast<PFNGLVERTEXATTRIB3DVPROC>(get_proc_address("glVertexAttrib3dv"));
+ glVertexAttrib3f = reinterpret_cast<PFNGLVERTEXATTRIB3FPROC>(get_proc_address("glVertexAttrib3f"));
+ glVertexAttrib3fv = reinterpret_cast<PFNGLVERTEXATTRIB3FVPROC>(get_proc_address("glVertexAttrib3fv"));
+ glVertexAttrib3s = reinterpret_cast<PFNGLVERTEXATTRIB3SPROC>(get_proc_address("glVertexAttrib3s"));
+ glVertexAttrib3sv = reinterpret_cast<PFNGLVERTEXATTRIB3SVPROC>(get_proc_address("glVertexAttrib3sv"));
+ glVertexAttrib4Nbv = reinterpret_cast<PFNGLVERTEXATTRIB4NBVPROC>(get_proc_address("glVertexAttrib4Nbv"));
+ glVertexAttrib4Niv = reinterpret_cast<PFNGLVERTEXATTRIB4NIVPROC>(get_proc_address("glVertexAttrib4Niv"));
+ glVertexAttrib4Nsv = reinterpret_cast<PFNGLVERTEXATTRIB4NSVPROC>(get_proc_address("glVertexAttrib4Nsv"));
+ glVertexAttrib4Nub = reinterpret_cast<PFNGLVERTEXATTRIB4NUBPROC>(get_proc_address("glVertexAttrib4Nub"));
+ glVertexAttrib4Nubv = reinterpret_cast<PFNGLVERTEXATTRIB4NUBVPROC>(get_proc_address("glVertexAttrib4Nubv"));
+ glVertexAttrib4Nuiv = reinterpret_cast<PFNGLVERTEXATTRIB4NUIVPROC>(get_proc_address("glVertexAttrib4Nuiv"));
+ glVertexAttrib4Nusv = reinterpret_cast<PFNGLVERTEXATTRIB4NUSVPROC>(get_proc_address("glVertexAttrib4Nusv"));
+ glVertexAttrib4bv = reinterpret_cast<PFNGLVERTEXATTRIB4BVPROC>(get_proc_address("glVertexAttrib4bv"));
+ glVertexAttrib4d = reinterpret_cast<PFNGLVERTEXATTRIB4DPROC>(get_proc_address("glVertexAttrib4d"));
+ glVertexAttrib4dv = reinterpret_cast<PFNGLVERTEXATTRIB4DVPROC>(get_proc_address("glVertexAttrib4dv"));
+ glVertexAttrib4f = reinterpret_cast<PFNGLVERTEXATTRIB4FPROC>(get_proc_address("glVertexAttrib4f"));
+ glVertexAttrib4fv = reinterpret_cast<PFNGLVERTEXATTRIB4FVPROC>(get_proc_address("glVertexAttrib4fv"));
+ glVertexAttrib4iv = reinterpret_cast<PFNGLVERTEXATTRIB4IVPROC>(get_proc_address("glVertexAttrib4iv"));
+ glVertexAttrib4s = reinterpret_cast<PFNGLVERTEXATTRIB4SPROC>(get_proc_address("glVertexAttrib4s"));
+ glVertexAttrib4sv = reinterpret_cast<PFNGLVERTEXATTRIB4SVPROC>(get_proc_address("glVertexAttrib4sv"));
+ glVertexAttrib4ubv = reinterpret_cast<PFNGLVERTEXATTRIB4UBVPROC>(get_proc_address("glVertexAttrib4ubv"));
+ glVertexAttrib4uiv = reinterpret_cast<PFNGLVERTEXATTRIB4UIVPROC>(get_proc_address("glVertexAttrib4uiv"));
+ glVertexAttrib4usv = reinterpret_cast<PFNGLVERTEXATTRIB4USVPROC>(get_proc_address("glVertexAttrib4usv"));
+ glVertexAttribPointer = reinterpret_cast<PFNGLVERTEXATTRIBPOINTERPROC>(get_proc_address("glVertexAttribPointer"));
+ return Extension::CORE;
+ }
+ if(is_supported("GL_ARB_vertex_shader"))
+ {
+ glBindAttribLocation = reinterpret_cast<PFNGLBINDATTRIBLOCATIONPROC>(get_proc_address("glBindAttribLocationARB"));
+ glDisableVertexAttribArray = reinterpret_cast<PFNGLDISABLEVERTEXATTRIBARRAYPROC>(get_proc_address("glDisableVertexAttribArrayARB"));
+ glEnableVertexAttribArray = reinterpret_cast<PFNGLENABLEVERTEXATTRIBARRAYPROC>(get_proc_address("glEnableVertexAttribArrayARB"));
+ glGetActiveAttrib = reinterpret_cast<PFNGLGETACTIVEATTRIBPROC>(get_proc_address("glGetActiveAttribARB"));
+ glGetAttribLocation = reinterpret_cast<PFNGLGETATTRIBLOCATIONPROC>(get_proc_address("glGetAttribLocationARB"));
+ glGetVertexAttribPointerv = reinterpret_cast<PFNGLGETVERTEXATTRIBPOINTERVPROC>(get_proc_address("glGetVertexAttribPointervARB"));
+ glGetVertexAttribdv = reinterpret_cast<PFNGLGETVERTEXATTRIBDVPROC>(get_proc_address("glGetVertexAttribdvARB"));
+ glGetVertexAttribfv = reinterpret_cast<PFNGLGETVERTEXATTRIBFVPROC>(get_proc_address("glGetVertexAttribfvARB"));
+ glGetVertexAttribiv = reinterpret_cast<PFNGLGETVERTEXATTRIBIVPROC>(get_proc_address("glGetVertexAttribivARB"));
+ glVertexAttrib1d = reinterpret_cast<PFNGLVERTEXATTRIB1DPROC>(get_proc_address("glVertexAttrib1dARB"));
+ glVertexAttrib1dv = reinterpret_cast<PFNGLVERTEXATTRIB1DVPROC>(get_proc_address("glVertexAttrib1dvARB"));
+ glVertexAttrib1f = reinterpret_cast<PFNGLVERTEXATTRIB1FPROC>(get_proc_address("glVertexAttrib1fARB"));
+ glVertexAttrib1fv = reinterpret_cast<PFNGLVERTEXATTRIB1FVPROC>(get_proc_address("glVertexAttrib1fvARB"));
+ glVertexAttrib1s = reinterpret_cast<PFNGLVERTEXATTRIB1SPROC>(get_proc_address("glVertexAttrib1sARB"));
+ glVertexAttrib1sv = reinterpret_cast<PFNGLVERTEXATTRIB1SVPROC>(get_proc_address("glVertexAttrib1svARB"));
+ glVertexAttrib2d = reinterpret_cast<PFNGLVERTEXATTRIB2DPROC>(get_proc_address("glVertexAttrib2dARB"));
+ glVertexAttrib2dv = reinterpret_cast<PFNGLVERTEXATTRIB2DVPROC>(get_proc_address("glVertexAttrib2dvARB"));
+ glVertexAttrib2f = reinterpret_cast<PFNGLVERTEXATTRIB2FPROC>(get_proc_address("glVertexAttrib2fARB"));
+ glVertexAttrib2fv = reinterpret_cast<PFNGLVERTEXATTRIB2FVPROC>(get_proc_address("glVertexAttrib2fvARB"));
+ glVertexAttrib2s = reinterpret_cast<PFNGLVERTEXATTRIB2SPROC>(get_proc_address("glVertexAttrib2sARB"));
+ glVertexAttrib2sv = reinterpret_cast<PFNGLVERTEXATTRIB2SVPROC>(get_proc_address("glVertexAttrib2svARB"));
+ glVertexAttrib3d = reinterpret_cast<PFNGLVERTEXATTRIB3DPROC>(get_proc_address("glVertexAttrib3dARB"));
+ glVertexAttrib3dv = reinterpret_cast<PFNGLVERTEXATTRIB3DVPROC>(get_proc_address("glVertexAttrib3dvARB"));
+ glVertexAttrib3f = reinterpret_cast<PFNGLVERTEXATTRIB3FPROC>(get_proc_address("glVertexAttrib3fARB"));
+ glVertexAttrib3fv = reinterpret_cast<PFNGLVERTEXATTRIB3FVPROC>(get_proc_address("glVertexAttrib3fvARB"));
+ glVertexAttrib3s = reinterpret_cast<PFNGLVERTEXATTRIB3SPROC>(get_proc_address("glVertexAttrib3sARB"));
+ glVertexAttrib3sv = reinterpret_cast<PFNGLVERTEXATTRIB3SVPROC>(get_proc_address("glVertexAttrib3svARB"));
+ glVertexAttrib4Nbv = reinterpret_cast<PFNGLVERTEXATTRIB4NBVPROC>(get_proc_address("glVertexAttrib4NbvARB"));
+ glVertexAttrib4Niv = reinterpret_cast<PFNGLVERTEXATTRIB4NIVPROC>(get_proc_address("glVertexAttrib4NivARB"));
+ glVertexAttrib4Nsv = reinterpret_cast<PFNGLVERTEXATTRIB4NSVPROC>(get_proc_address("glVertexAttrib4NsvARB"));
+ glVertexAttrib4Nub = reinterpret_cast<PFNGLVERTEXATTRIB4NUBPROC>(get_proc_address("glVertexAttrib4NubARB"));
+ glVertexAttrib4Nubv = reinterpret_cast<PFNGLVERTEXATTRIB4NUBVPROC>(get_proc_address("glVertexAttrib4NubvARB"));
+ glVertexAttrib4Nuiv = reinterpret_cast<PFNGLVERTEXATTRIB4NUIVPROC>(get_proc_address("glVertexAttrib4NuivARB"));
+ glVertexAttrib4Nusv = reinterpret_cast<PFNGLVERTEXATTRIB4NUSVPROC>(get_proc_address("glVertexAttrib4NusvARB"));
+ glVertexAttrib4bv = reinterpret_cast<PFNGLVERTEXATTRIB4BVPROC>(get_proc_address("glVertexAttrib4bvARB"));
+ glVertexAttrib4d = reinterpret_cast<PFNGLVERTEXATTRIB4DPROC>(get_proc_address("glVertexAttrib4dARB"));
+ glVertexAttrib4dv = reinterpret_cast<PFNGLVERTEXATTRIB4DVPROC>(get_proc_address("glVertexAttrib4dvARB"));
+ glVertexAttrib4f = reinterpret_cast<PFNGLVERTEXATTRIB4FPROC>(get_proc_address("glVertexAttrib4fARB"));
+ glVertexAttrib4fv = reinterpret_cast<PFNGLVERTEXATTRIB4FVPROC>(get_proc_address("glVertexAttrib4fvARB"));
+ glVertexAttrib4iv = reinterpret_cast<PFNGLVERTEXATTRIB4IVPROC>(get_proc_address("glVertexAttrib4ivARB"));
+ glVertexAttrib4s = reinterpret_cast<PFNGLVERTEXATTRIB4SPROC>(get_proc_address("glVertexAttrib4sARB"));
+ glVertexAttrib4sv = reinterpret_cast<PFNGLVERTEXATTRIB4SVPROC>(get_proc_address("glVertexAttrib4svARB"));
+ glVertexAttrib4ubv = reinterpret_cast<PFNGLVERTEXATTRIB4UBVPROC>(get_proc_address("glVertexAttrib4ubvARB"));
+ glVertexAttrib4uiv = reinterpret_cast<PFNGLVERTEXATTRIB4UIVPROC>(get_proc_address("glVertexAttrib4uivARB"));
+ glVertexAttrib4usv = reinterpret_cast<PFNGLVERTEXATTRIB4USVPROC>(get_proc_address("glVertexAttrib4usvARB"));
+ glVertexAttribPointer = reinterpret_cast<PFNGLVERTEXATTRIBPOINTERPROC>(get_proc_address("glVertexAttribPointerARB"));
+ return Extension::EXTENSION;
+ }
+ return Extension::UNSUPPORTED;