1 extension ARB_shader_objects
4 ignore glGetObjectParameterfvARB
5 ignore GL_PROGRAM_OBJECT_ARB
6 ignore GL_SHADER_OBJECT_ARB
7 ignore GL_OBJECT_TYPE_ARB
8 ignore GL_OBJECT_SUBTYPE_ARB
9 # Rectangular textures have their own extension
10 optional GL_SAMPLER_2D_RECT_ARB
11 optional GL_SAMPLER_2D_RECT_SHADOW_ARB