- glPrimitiveRestartNV = reinterpret_cast<PFNGLPRIMITIVERESTARTNVPROC>(get_proc_address("glPrimitiveRestartNV"));
- glPrimitiveRestartIndexNV = reinterpret_cast<PFNGLPRIMITIVERESTARTINDEXNVPROC>(get_proc_address("glPrimitiveRestartIndexNV"));
+ if(is_supported("GL_NV_primitive_restart"))
+ {
+ glPrimitiveRestartIndexNV = reinterpret_cast<PFNGLPRIMITIVERESTARTINDEXNVPROC>(get_proc_address("glPrimitiveRestartIndexNV"));
+ glPrimitiveRestartNV = reinterpret_cast<PFNGLPRIMITIVERESTARTNVPROC>(get_proc_address("glPrimitiveRestartNV"));
+ return Extension::EXTENSION;
+ }
+ return Extension::UNSUPPORTED;