Running "The Witcher 2: Assassins of Kings Enhanced Edition" from Steam on Haswell Brixbox has strange artifacts, like flares on top of the image now and then. I'm attaching screenshots how it looks like.
Created attachment 100787 [details] screenshot
Created attachment 100788 [details] another screenshot
I've tried again with Mesa master and could not reproduce these artifacts (don't want to bisect as game startup takes quite a while), resolving ...
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