EXT(ARB_color_buffer_float , ARB_color_buffer_float , GLL, GLC, x , x , 2004)
EXT(ARB_compressed_texture_pixel_storage , dummy_true , GLL, GLC, x , x , 2011)
EXT(ARB_compute_shader , ARB_compute_shader , GLL, GLC, x , x , 2012)
+EXT(ARB_compute_variable_group_size , ARB_compute_variable_group_size , GLL, GLC, x , x , 2013)
EXT(ARB_conditional_render_inverted , ARB_conditional_render_inverted , GLL, GLC, x , x , 2014)
EXT(ARB_conservative_depth , ARB_conservative_depth , GLL, GLC, x , x , 2011)
EXT(ARB_copy_buffer , dummy_true , GLL, GLC, x , x , 2008)