#define FEATURE_ARB_shader_objects (FEATURE_ARB_vertex_shader || FEATURE_ARB_fragment_shader)
#define FEATURE_ARB_shading_language_100 FEATURE_ARB_shader_objects
#define FEATURE_ARB_shading_language_120 FEATURE_ARB_shader_objects
+#define FEATURE_ARB_geometry_shader4 FEATURE_ARB_shader_objects
#define FEATURE_ARB_framebuffer_object (FEATURE_GL && FEATURE_EXT_framebuffer_object)
#define FEATURE_ARB_map_buffer_range FEATURE_GL