extension ARB_shader_objects # Not promoted to core ignore glGetHandleARB ignore glGetObjectParameterfvARB ignore GL_PROGRAM_OBJECT_ARB ignore GL_SHADER_OBJECT_ARB ignore GL_OBJECT_TYPE_ARB ignore GL_OBJECT_SUBTYPE_ARB # Rectangular textures have their own extension optional GL_SAMPLER_2D_RECT_ARB optional GL_SAMPLER_2D_RECT_SHADOW_ARB