[Mesa-dev] [PATCH] radeonsi: lower SQRT to RSQ+RCP to fix the game Risen

Marek Olšák maraeo at gmail.com
Tue May 31 10:38:27 UTC 2016


On Tue, May 31, 2016 at 5:51 AM, Roland Scheidegger <sroland at vmware.com> wrote:
> Not sure if it's a good idea trying to fix wine bugs via driver hacks?

Thanks, I've dug deeper and it looks it's a GLSL compiler bug! It
transforms 1/rsq into sqrt, which is incorrect precision-wise.

Please ignore this patch.

Marek


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