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panfrost: Add panfrost_sample_pattern helper

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We always use rotated grids to preserve current behaviour.

Cc stable as it is required for the next commit. If deemed too invasive,
a simpler fix could be backported.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Cc: 21.0 <mesa-stable@lists.freedesktop.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8774>
This commit is contained in:
Alyssa Rosenzweig
2021-01-29 14:31:18 -05:00
parent b6ad375bdf
commit b08100fb96
1 changed files with 12 additions and 0 deletions
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src/gallium/drivers/panfrost/pan_cmdstream.h
+12
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@@ -109,4 +109,16 @@ panfrost_translate_compare_func(enum pipe_compare_func in)
}
}
static inline enum mali_sample_pattern
panfrost_sample_pattern(unsigned samples)
{
switch (samples) {
case 1: return MALI_SAMPLE_PATTERN_SINGLE_SAMPLED;
case 4: return MALI_SAMPLE_PATTERN_ROTATED_4X_GRID;
case 8: return MALI_SAMPLE_PATTERN_D3D_8X_GRID;
case 16: return MALI_SAMPLE_PATTERN_D3D_16X_GRID;
default: unreachable("Unsupported sample count");
}
}
#endif /* __PAN_CMDSTREAM_H__ */