GL_PGI_misc_hints http://www.opengl.org/registry/specs/gl/PGI/misc_hints.txt GL_PGI_misc_hints GL_PREFER_DOUBLEBUFFER_HINT_PGI 107000 GL_CONSERVE_MEMORY_HINT_PGI 107005 GL_RECLAIM_MEMORY_HINT_PGI 107006 GL_NATIVE_GRAPHICS_HANDLE_PGI 107010 GL_NATIVE_GRAPHICS_BEGIN_HINT_PGI 107011 GL_NATIVE_GRAPHICS_END_HINT_PGI 107012 GL_ALWAYS_FAST_HINT_PGI 107020 GL_ALWAYS_SOFT_HINT_PGI 107021 GL_ALLOW_DRAW_OBJ_HINT_PGI 107022 GL_ALLOW_DRAW_WIN_HINT_PGI 107023 GL_ALLOW_DRAW_FRG_HINT_PGI 107024 GL_ALLOW_DRAW_MEM_HINT_PGI 107025 GL_STRICT_DEPTHFUNC_HINT_PGI 107030 GL_STRICT_LIGHTING_HINT_PGI 107031 GL_STRICT_SCISSOR_HINT_PGI 107032 GL_FULL_STIPPLE_HINT_PGI 107033 GL_CLIP_NEAR_HINT_PGI 107040 GL_CLIP_FAR_HINT_PGI 107041 GL_WIDE_LINE_HINT_PGI 107042 GL_BACK_NORMALS_HINT_PGI 107043