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freedreno/a3xx: fix blending of L8 format

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Even though luminance formats don't have alpha, we still want the alpha
output to go to the blender. This fixes the luminance blending tests.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "11.0" <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Ilia Mirkin 2015-09-14 01:59:01 -04:00
parent ee6b95c82c
commit 545a3cbb01
1 changed files with 2 additions and 0 deletions
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src/gallium/drivers/freedreno/a3xx/fd3_format.c
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@ -355,6 +355,8 @@ fd3_fs_output_format(enum pipe_format format)
case PIPE_FORMAT_R16G16_FLOAT:
case PIPE_FORMAT_R11G11B10_FLOAT:
return RB_R16G16B16A16_FLOAT;
case PIPE_FORMAT_L8_UNORM:
return RB_R8G8B8A8_UNORM;
default:
return fd3_pipe2color(format);
}