Re: [Mesa-dev] [PATCH 2/2] gallivm: change cubemaps / derivatives handling, take 55

2013-04-16 Thread Brian Paul
On 04/16/2013 01:07 PM, srol...@vmware.com wrote: From: Roland Scheidegger Turns out the previous "fix" for handling per-pixel face selection and derivatives didn't work out that well - the derivatives were wrong by quite a bit, in theory transformation of the derivatives into cube space should

[Mesa-dev] [PATCH 2/2] gallivm: change cubemaps / derivatives handling, take 55

2013-04-16 Thread sroland
From: Roland Scheidegger Turns out the previous "fix" for handling per-pixel face selection and derivatives didn't work out that well - the derivatives were wrong by quite a bit, in theory transformation of the derivatives into cube space should work, but would be _a lot_ more work than the "simp