Created attachment 109297 [details] SS3 ground textures at high settings when SB is enabled Ground textures in Serious Sam 3 are incorrectly rendered (see the first attachment for a preview). This only occurs with my RV770, not with my HD5850 (Evergreen). This only occurs when sb is enabled (which is the default setting). The first bad commit is : commit: 7ae9cc71f097af5ae1f83f77f75de2198849faca summary: st/mesa: use new float comparison opcodes if native integers are supported author: Roland Scheidegger <sroland@vmware.com> date of commit: 2013-08-15 15:30:07 (GMT)
Created attachment 109298 [details] The ground textures at high settings when sb is disabled.
Created attachment 109299 [details] Incorrect ground textures at low settings
Created attachment 109300 [details] Worse ground textures at low settings with a more recent commit I noted that at low settings, a recent commit broken more dramatically the ground textures, see attachment for a preview. The commit is e9822f77a9cc024f528d30382fd5ad21c73a173b summary : glsl: Skip making a temporary for assignments when we don't need one. author : Eric Anholt <eric@anholt.net> date : 2014-04-08 07:59:47 (GMT)
You can find an apitrace at high settings here : https://drive.google.com/file/d/0B7D2Y0QXFND2bHd3ZXlBeDI0OUk/view?usp=sharing 309 MB md5sum c9a7e793122d4babe71e68535ab86459
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