Mesa (master): r300g: fix reading from the destination buffer in blending

[Joakim Sindholt]

Module: Mesa
Branch: master
Commit: a8f85dceb5e721437ba30ec540cd0bf8ee454325
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=a8f85dceb5e721437ba30ec540cd0bf8ee454325

Author: Marek Olšák <maraeo at gmail.com>
Date:   Sat Oct 31 05:34:46 2009 +0100

r300g: fix reading from the destination buffer in blending

---

 src/gallium/drivers/r300/r300_state.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c
index 1e7fabf..3ac627e 100644
--- a/src/gallium/drivers/r300/r300_state.c
+++ b/src/gallium/drivers/r300/r300_state.c
@@ -75,7 +75,9 @@ static void* r300_create_blend_state(struct pipe_context* pipe,
             srcRGB == PIPE_BLENDFACTOR_DST_ALPHA ||
             srcRGB == PIPE_BLENDFACTOR_INV_DST_COLOR ||
             srcRGB == PIPE_BLENDFACTOR_INV_DST_ALPHA ||
+            srcA == PIPE_BLENDFACTOR_DST_COLOR ||
             srcA == PIPE_BLENDFACTOR_DST_ALPHA ||
+            srcA == PIPE_BLENDFACTOR_INV_DST_COLOR ||
             srcA == PIPE_BLENDFACTOR_INV_DST_ALPHA)
             blend->blend_control |= R300_READ_ENABLE;