GL_MAX_VERTEX_ATTRIB_STRIDE DONE (all drivers)
GL_ARB_buffer_storage DONE (i965, nv50, nvc0, r600, radeonsi)
GL_ARB_clear_texture DONE (i965) (gallium - in progress, VMware)
- GL_ARB_enhanced_layouts not started
+ GL_ARB_enhanced_layouts in progress (Timothy)
+ - compile-time constant expressions in progress
+ - explicit byte offsets for blocks in progress
+ - forced alignment within blocks in progress
+ - specified vec4-slot component numbers in progress
+ - specified transform/feedback layout in progress
+ - input/output block locations in progress
GL_ARB_multi_bind DONE (all drivers)
GL_ARB_query_buffer_object not started
GL_ARB_texture_mirror_clamp_to_edge DONE (i965, nv50, nvc0, r600, radeonsi, llvmpipe, softpipe)