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authorSamuel Pitoiset <[email protected]>2018-12-03 22:45:03 +0100
committerSamuel Pitoiset <[email protected]>2018-12-05 09:26:31 +0100
commit824cfc1ee5e0aba15b676b9363ff32046d96eb42 (patch)
tree70a59a4cf0c3f29a6db55c597aa2d8dc90b135bf /src/amd/vulkan/radv_query.c
parent2669dbf8810c534025ca0dd10942eb416a94fe4d (diff)
radv: rework the TC-compat HTILE hardware bug with COND_EXEC
After investigating on this, it appears that COND_WRITE doesn't work correctly in some situations. I don't know exactly why does it fail to update DB_Z_INFO.ZRANGE_PRECISION, but as AMDVLK also uses COND_EXEC I think there is a reason. Now the driver stores a new metadata value in order to reflect the last fast depth clear state. If a TC-compat HTILE is fast cleared with 0.0f, we have to update ZRANGE_PRECISION to 0 in order to work around that hardware bug. This fixes rendering issues with The Forest and DXVK and doesn't seem to introduce any regressions. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108914 Fixes: 68dead112e7 ("radv: update the ZRANGE_PRECISION value for the TC-compat bug") Signed-off-by: Samuel Pitoiset <[email protected]> Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Diffstat (limited to 'src/amd/vulkan/radv_query.c')
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