mesa: allow GL_RGB reads for GLES 3.x
Fixes issues with: KHR-GLES32.core.nearest_edge.offset*
tests that do GL_RGB reads when using BGRX config.
Signed-off-by: Tapani Pälli tapani.palli@intel.com
Fixes issues with: KHR-GLES32.core.nearest_edge.offset*
tests that do GL_RGB reads when using BGRX config.
Signed-off-by: Tapani Pälli tapani.palli@intel.com