Re: [Mesa-dev] [PATCH] gallivm: fix gather implementation a bit

2017-09-08 Thread Jose Fonseca
On 07/09/17 17:16, srol...@vmware.com wrote: From: Roland Scheidegger gather is defined in terms of bilinear filtering, just without the filtering part. However, there's actually some subtle differences required in our implementation, because we use some tricks to simplify coord wrapping for th

Re: [Mesa-dev] [PATCH] gallivm: fix gather implementation a bit

2017-09-07 Thread Brian Paul
On 09/07/2017 10:16 AM, srol...@vmware.com wrote: From: Roland Scheidegger gather is defined in terms of bilinear filtering, just without the filtering part. However, there's actually some subtle differences required in our implementation, because we use some tricks to simplify coord wrapping f

[Mesa-dev] [PATCH] gallivm: fix gather implementation a bit

2017-09-07 Thread sroland
From: Roland Scheidegger gather is defined in terms of bilinear filtering, just without the filtering part. However, there's actually some subtle differences required in our implementation, because we use some tricks to simplify coord wrapping for the two coords per direction. For bilinear filter