[Bug 93594] Flickering Shadows in The Talos Principle

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Feb 17 01:55:01 UTC 2016


--- 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>

More information about the dri-devel mailing list