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nir: convert_ycbcr: preserve alpha channel 

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: D Scott Phillips <d.scott.phillips@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4528>
This commit is contained in:
Jonathan Marek 2020-04-10 08:37:48 -04:00 committed by Marge Bot
parent f8558fb1ce
commit 71820c6b02
1 changed files with 2 additions and 2 deletions
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4
src/compiler/nir/nir_convert_ycbcr.c
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@ -122,7 +122,7 @@ nir_convert_ycbcr_to_rgb(nir_builder *b,
chroma_range(b, nir_channel(b, raw_channels, 0), bpcs[0], range),
y_range(b, nir_channel(b, raw_channels, 1), bpcs[1], range),
chroma_range(b, nir_channel(b, raw_channels, 2), bpcs[2], range),
nir_imm_float(b, 1.0f));
nir_channel(b, raw_channels, 3));
if (model == VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_IDENTITY)
return expanded_channels;
@ -138,5 +138,5 @@ nir_convert_ycbcr_to_rgb(nir_builder *b,
return nir_vec4(b,
converted_channels[0], converted_channels[1],
converted_channels[2], nir_imm_float(b, 1.0f));
converted_channels[2], nir_channel(b, raw_channels, 3));
}