Re: [Mesa-dev] [PATCH] i965: Unroll SIMD16 DDY_FINE on Sandybridge.

2016-04-24 Thread Matt Turner
On Tue, Mar 29, 2016 at 5:00 PM, Matt Turner wrote: > On Tue, Mar 29, 2016 at 1:32 AM, Kenneth Graunke > wrote: >> I'm not sure why this is necessary, but it fixes 10 dEQP-GLES3 subtests >> from dEQP-GLES3.functional.shaders.derivate.dfdy.texture.float_nicest.*. > > Okay, so we have to suspect t

Re: [Mesa-dev] [PATCH] i965: Unroll SIMD16 DDY_FINE on Sandybridge.

2016-03-29 Thread Matt Turner
On Tue, Mar 29, 2016 at 1:32 AM, Kenneth Graunke wrote: > I'm not sure why this is necessary, but it fixes 10 dEQP-GLES3 subtests > from dEQP-GLES3.functional.shaders.derivate.dfdy.texture.float_nicest.*. Okay, so we have to suspect that this is working around some related problem and it isn't th

[Mesa-dev] [PATCH] i965: Unroll SIMD16 DDY_FINE on Sandybridge.

2016-03-29 Thread Kenneth Graunke
I'm not sure why this is necessary, but it fixes 10 dEQP-GLES3 subtests from dEQP-GLES3.functional.shaders.derivate.dfdy.texture.float_nicest.*. Signed-off-by: Kenneth Graunke --- src/mesa/drivers/dri/i965/brw_fs_generator.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a