[Mesa-dev] [Bug 110468] using swrAVX renders incorrectly at particular resolutions

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110468

--- Comment #6 from Krzysztof Raszkowski <krzysztof.raszkowski at intel.com> ---
1) I'm able to reproduce the problem using binary files from
https://github.com/pal1000/mesa-dist-win/releases/tag/19.0.2

2) I've build the same mesa with llvm 8.0.0 (build from source) using Visual
Studio 2017:
scons build=release platform=windows machine=x86_64 swr=1 openmp=1 libgl-gdi
osmesa graw-gdi
and I don't see any problems (both swrAVX.dll and swrAVX2.dll works fine).

3) I've build the same way like in 2) but using Visual Studio 2019 (MSVC
14.20.27508 and 14.21.27702) and libraries generated by it seems to be "bad"
like binaries from https://github.com/pal1000/mesa-dist-win/releases/tag/19.0.2

4) Disabling optimizations (/Od compiler switch) helps (binaries seems to be
ok) for VS2019.

We'll look into it but for now we recommend to use VS2017 (MSVC 14.16.27023)
for building mesa with swr.

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