GL_ARB_texture_buffer_object_rgb32 DONE (i965, r600, radeonsi, softpipe)
GL_ARB_texture_cube_map_array DONE (i965, r600, softpipe)
GL_ARB_texture_gather DONE (i965)
-GL_ARB_transform_feedback2 DONE (r600, radeonsi)
-GL_ARB_transform_feedback3 DONE (r600, radeonsi)
+GL_ARB_transform_feedback2 DONE (i965, r600, radeonsi)
+GL_ARB_transform_feedback3 DONE (i965, r600, radeonsi)
GL 4.1:
GL_ARB_compressed_texture_pixel_storage not started
GL_ARB_shader_atomic_counters in progress (Curro)
GL_ARB_texture_storage DONE (all drivers)
-GL_ARB_transform_feedback_instanced DONE (r600, radeonsi)
+GL_ARB_transform_feedback_instanced DONE (i965, r600, radeonsi)
GL_ARB_base_instance DONE (i965, nv50, nvc0, r600, radeonsi)
GL_ARB_shader_image_load_store not started
GL_ARB_conservative_depth DONE (all drivers that support GLSL 1.30)