llvmpipe discarded on non-neon hw - Githubissues

grate-driver / mesa

Mesa fork for open-source NVIDIA Tegra20/30 GL implementation

32 stars 15 forks source link

llvmpipe discarded on non-neon hw #18

Open kwizart opened 1 year ago

kwizart commented 1 year ago

As commented in the mesa-22.2.4 rebase, there is still a need to discard the llvmpipe driver on software fallback on non-neon capable hardware.

This as shown with commit https://github.com/grate-driver/mesa/commit/4621b88ee2e0f2cdbcb76d9f14eda4922c0123f4 Without this a SIGILL is experienced when running glxgears (or glmark2).

I've tried to report at llvm that has spotted an interesting regression without fixing the SIGILL https://github.com/llvm/llvm-project/issues/59286 and reported to mesa upstream https://gitlab.freedesktop.org/mesa/mesa/-/issues/7868

kwizart commented 1 year ago

Fixed with https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20766

I will re-order patches on grate-22.2 in a few...