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8f99d736d0
For GS streamout, we need the following LDS scratch space: - Repacking streamout vertices takes 1 dword per 4 waves per stream (max 16 bytes for Wave64, max 32 bytes for Wave32) - 1 dword per stream for buffer info (16 bytes) - 1 dword per buffer for buffer info (16 bytes) Previously, the space used for buffer info aliased with the space for repacking the output vertices in ngg_gs_finale(), and there was no barrier in between, which caused a race condition, resulting in random failure. Fix this by allocating a few more LDS dwords so that aliasing is not required, which also allows us to remove an extra workgroup barrier. Cc: mesa-stable Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/12705 Signed-off-by: Timur Kristóf <timur.kristof@gmail.com> Reviewed-by: Marek Olšák <marek.olsak@amd.com> Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38364> |
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