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 after