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gallium/st: add non-CSC lowering of YV12 as PIPE_FORMAT_R8_B8_G8_420

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YV12 is the same as DRM_FORMAT_YVU420.
We lower it to PIPE_FORMAT_R8_B8_G8_420, which is equivalent to
PIPE_FORMAT_R8_G8_B8_420 with U/V planes swapped.

This is used for hardware that can sample from YUV but need CSC in shader.

Signed-off-by: Italo Nicola <italonicola@collabora.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24266>
This commit is contained in:
Italo Nicola
2023-07-21 00:31:48 +00:00
committed by Marge Bot
parent 60ebef430a
commit b890a5ff61
9 changed files with 49 additions and 13 deletions
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src/util/format/u_format.csv
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@@ -408,6 +408,7 @@ PIPE_FORMAT_Y8_400_UNORM , other , 1, 1, 1, un8, , , , x0
PIPE_FORMAT_R8_G8B8_420_UNORM , planar2, 1, 1, 1, un8, , , , xyzw, rgb
PIPE_FORMAT_G8_B8R8_420_UNORM , planar2, 1, 1, 1, un8, , , , xyzw, rgb
PIPE_FORMAT_R8_G8_B8_420_UNORM , planar3, 1, 1, 1, un8, , , , xyzw, rgb
PIPE_FORMAT_R8_B8_G8_420_UNORM , planar3, 1, 1, 1, un8, , , , xyzw, rgb
PIPE_FORMAT_G8_B8_R8_420_UNORM , planar3, 1, 1, 1, un8, , , , xyzw, rgb
PIPE_FORMAT_R8_G8_B8_UNORM , planar3, 1, 1, 1, un8, , , , xyzw, rgb
Can't render this file because it contains an unexpected character in line 8 and column 3.
src/util/format/u_format_table.py
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@@ -115,6 +115,7 @@ def has_access(format):
'r8_g8b8_420_unorm',
'g8_b8r8_420_unorm',
'r8_g8_b8_420_unorm',
'r8_b8_g8_420_unorm',
'g8_b8_r8_420_unorm',
'r8_g8_b8_unorm',
'y8_unorm',
src/util/format/u_formats.h
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@@ -513,6 +513,7 @@ enum pipe_format {
PIPE_FORMAT_R8_G8B8_420_UNORM,
PIPE_FORMAT_G8_B8R8_420_UNORM,
PIPE_FORMAT_R8_G8_B8_420_UNORM,
PIPE_FORMAT_R8_B8_G8_420_UNORM,
PIPE_FORMAT_G8_B8_R8_420_UNORM,
PIPE_FORMAT_R8_G8_B8_UNORM,
PIPE_FORMAT_Y8_UNORM,