Re: [Mesa-dev] [PATCH] i965/fs: Disable opt_sampler_eot for textureGather

2015-05-08 Thread Chris Forbes
I don't have CHV or SKL hw or docs to try and confirm this, but this does what it claims to. Reviewed-by: Chris Forbes On Sat, May 9, 2015 at 5:10 AM, Neil Roberts wrote: > The opt_sampler_eot optimisation seems to break when the last > instruction is SHADER_OPCODE_TG4. A bunch of Piglit tests

[Mesa-dev] [PATCH] i965/fs: Disable opt_sampler_eot for textureGather

2015-05-08 Thread Neil Roberts
The opt_sampler_eot optimisation seems to break when the last instruction is SHADER_OPCODE_TG4. A bunch of Piglit tests end up doing this so it causes a lot of regressions. I can't find any documentation or known workarounds to indicate that this is expected behaviour, but considering that this is