On Mon, Jan 27, 2014 at 10:20:54AM -0800, Eric Anholt wrote: > Topi Pohjolainen <topi.pohjolai...@intel.com> writes: > > > This is really not needed as blorp blit programs already sample > > XRGB normally and get alpha channel set to 1.0 automatically by > > the sampler engine. This is simply copied directly to the payload > > of the render target write message and hence there is no need for > > any additional blending support from the pixel processing pipeline. > > > > Fixes recently modified piglit test gl-3.2-layered-rendering-blit > > on IVB. No regressions on IVB. > > What about when you have a RGB-but-not-alpha gl format that's been > promoted to an ARGB Mesa and BRW surface format? I don't think blorp's > samplers have any overrides going on there.
I relied on the restriction that only blits from RGBX to RGBA and vice versa are allowed. Otherwise the formats must match. _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
