diff options
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c b/src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c index c549be52183..fc05366f50e 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c @@ -280,9 +280,12 @@ static void set_pair_instruction(struct r300_fragment_program_compiler *c, pair->RGB.DestIndex = inst->DstReg.Index; pair->RGB.WriteMask |= inst->DstReg.WriteMask & RC_MASK_XYZ; } + if (needalpha) { - pair->Alpha.DestIndex = inst->DstReg.Index; pair->Alpha.WriteMask |= GET_BIT(inst->DstReg.WriteMask, 3); + if (pair->Alpha.WriteMask) { + pair->Alpha.DestIndex = inst->DstReg.Index; + } } } |