https://bugs.freedesktop.org/show_bug.cgi?id=93594
--- Comment #9 from Michel Dänzer <michel at daenzer.net> --- (In reply to Marek Olšák from comment #8) > If KILL_IF masks out some but not all invocations in a 2x2 quad, the > subsequent DDX and DDY opcodes can result in undefined values, resulting in > garbage on the output. I think Nicolai is making some improvements for the EXEC mask handling for shader images. Maybe that'll help for this as well. Note that AFAIK using things like derivatives in non-uniform control flow isn't supported by GLSL. What's the original GLSL shader? -- You are receiving this mail because: You are the assignee for the bug. -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.freedesktop.org/archives/dri-devel/attachments/20160217/2a25f4d5/attachment.html>