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-rw-r--r--src/mesa/drivers/dri/r300/compiler/radeon_dataflow.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_dataflow.c b/src/mesa/drivers/dri/r300/compiler/radeon_dataflow.c
index 58dcb20d29..cce9166e64 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_dataflow.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_dataflow.c
@@ -44,7 +44,7 @@ static void reads_normal(struct rc_instruction * fullinst, rc_read_write_fn cb,
for(unsigned int chan = 0; chan < 4; ++chan)
refmask |= 1 << GET_SWZ(inst->SrcReg[src].Swizzle, chan);
- refmask &= ~RC_MASK_XYZW;
+ refmask &= RC_MASK_XYZW;
for(unsigned int chan = 0; chan < 4; ++chan) {
if (GET_BIT(refmask, chan)) {