Re: [Mesa-dev] [PATCH] i965: fix textureGrad for cubemaps

2015-09-17 Thread Tapani Pälli
On 09/17/2015 02:10 PM, Iago Toral wrote: Hi Tapani, Kevin, awesome work! I was curious about how to fix this, at least when I was looking at the specs for this stuff it was not obvious that the Math involved for this was so different, I only recall seeing the reference that texure coordinates

Re: [Mesa-dev] [PATCH] i965: fix textureGrad for cubemaps

2015-09-17 Thread Iago Toral
Hi Tapani, Kevin, awesome work! I was curious about how to fix this, at least when I was looking at the specs for this stuff it was not obvious that the Math involved for this was so different, I only recall seeing the reference that texure coordinates had to be normalized to a [-1, 1] space

[Mesa-dev] [PATCH] i965: fix textureGrad for cubemaps

2015-09-16 Thread Tapani Pälli
Fixes regression caused by commit 2b1cdb0eddb73f62e4848d4b64840067f1f70865 in: ES3-CTS.gtf.GL3Tests.shadow.shadow_execution_frag No regressions observed in deqp, CTS or Piglit. Signed-off-by: Tapani Pälli Signed-off-by: Kevin Rogovin