[Mesa-dev] [Bug 102038] assertion failure in update_framebuffer_size

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Aug 18 17:54:01 UTC 2017


--- Comment #6 from Roland Scheidegger <sroland at vmware.com> ---
(In reply to Bruce Cherniak from comment #5)
> Looks like a problem in llvmpipe_is_format_supported.  If should be
> returning false for all "sample_count > 0", not 1.
No, not really. In gallium there's no distinction between sample count 0 and 1
- there are no surfaces with no samples, after all. (Ordinary surfaces should
actually always have 1 sample, that 0 is allowed to is more of a historical

Maybe VTK is trying to use msaa surfaces with just one sample, despite that the
max sample count supported we announce is 0.
Albeit I'm thinking we should have refused that configuration earlier
somewhere, if the sample_count gets upgraded later...

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