[Mesa-dev] [PATCH] [rfc] radv: offset images by a differing amount.

Marek Olšák maraeo at gmail.com
Fri Jul 7 16:51:10 UTC 2017


On Fri, Jul 7, 2017 at 11:18 AM, Christian König
<deathsimple at vodafone.de> wrote:
> What tilling format have the destination textures?
>
> Sounds like the offset is just added so that we distribute memory accesses
> more equally over memory channels.

You can't set an offset that is not aligned. The hardware ignores the
low unaligned bits, so they have a different meaning. They specify
pipe and bank rotation for macro tiling. It's like a state. It
basically rotates the tile pattern.

Marek


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