Mesa (master): r300g: add support for L8A8 colorbuffers
Marek Olšák
mareko at kemper.freedesktop.org
Sat Oct 2 21:28:29 UTC 2010
Module: Mesa
Branch: master
Commit: 8f7177e0de06877ae717250ccaa3ac292340b7be
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=8f7177e0de06877ae717250ccaa3ac292340b7be
Author: Marek Olšák <maraeo at gmail.com>
Date: Sat Oct 2 23:13:12 2010 +0200
r300g: add support for L8A8 colorbuffers
Blending with DST_ALPHA is undefined. SRC_ALPHA works, though.
I bet some other formats have similar limitations too.
---
src/gallium/drivers/r300/r300_texture.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c
index a084bdf..cee56bc 100644
--- a/src/gallium/drivers/r300/r300_texture.c
+++ b/src/gallium/drivers/r300/r300_texture.c
@@ -369,6 +369,7 @@ static uint32_t r300_translate_colorformat(enum pipe_format format)
return R300_COLOR_FORMAT_I8;
/* 16-bit buffers. */
+ case PIPE_FORMAT_L8A8_UNORM:
case PIPE_FORMAT_R8G8_UNORM:
case PIPE_FORMAT_R8G8_SNORM:
return R300_COLOR_FORMAT_UV88;
@@ -504,6 +505,8 @@ static uint32_t r300_translate_out_fmt(enum pipe_format format)
/* 16-bit outputs, two channels.
* COLORFORMAT_UV88 stores C2 and C0. */
+ case PIPE_FORMAT_L8A8_UNORM:
+ return modifier | R300_C0_SEL_A | R300_C2_SEL_R;
case PIPE_FORMAT_R8G8_UNORM:
case PIPE_FORMAT_R8G8_SNORM:
return modifier | R300_C0_SEL_G | R300_C2_SEL_R;
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