Uninitialized textures could contain random bits. That makes the test fail as glColorMask is used to let only one of the RGB pass through. https://bugzilla.gnome.org/show_bug.cgi?id=660387 Reviewed-by: Neil Roberts <neil@linux.intel.com>
There is a currently a bug where pushing a buffer with a different color mask will not cause the color mask to be flushed. This adds a test to demonstrate that. Reviewed-by: Robert Bragg <robert@linux.intel.com>
