[Mesa-dev] [Bug 106922] radv: corruption issues with Tangrams demo on Polaris
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Fri Sep 21 07:08:07 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=106922
Samuel Pitoiset <samuel.pitoiset at gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |NOTOURBUG
--- Comment #10 from Samuel Pitoiset <samuel.pitoiset at gmail.com> ---
So, this demo has several problems:
- Not enough memory allocated in a pool which ends up by crashing with RADV. It
does work with AMDVLK because they always allocate more space than needed. I
pushed a change for that this week, but it was actually wrong and has been
reverted. So, expect a crash anyway.
- Use of 16-bit integers without checking if shaderInt16 is supported.
- Possibly a missing barrier which might explain the rendering glitches on GFX8
(syncing GFX shaders and invalidating L2 seems to fix the problem).
Tangrams is buggy in many ways and I don't think it's worth trying to
investigate more.
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