summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/mesa/drivers/dri/r300/r300_fragprog.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_fragprog.c b/src/mesa/drivers/dri/r300/r300_fragprog.c
index cce8e68586..78ed44b09c 100644
--- a/src/mesa/drivers/dri/r300/r300_fragprog.c
+++ b/src/mesa/drivers/dri/r300/r300_fragprog.c
@@ -951,6 +951,10 @@ static void emit_tex(struct r300_fragment_program *fp,
if (REG_GET_TYPE(dest) == REG_TYPE_OUTPUT) {
rdest = dest;
dest = get_temp_reg_tex(fp);
+ } else if (fpi->DstReg.WriteMask != WRITEMASK_XYZW) {
+ /* in case write mask isn't XYZW */
+ rdest = dest;
+ dest = get_temp_reg_tex(fp);
}
hwdest =
t_hw_dst(fp, dest, GL_TRUE,
@@ -1016,7 +1020,7 @@ static void emit_tex(struct r300_fragment_program *fp,
/* Copy from temp to output if needed */
if (REG_GET_VALID(rdest)) {
- emit_arith(fp, PFS_OP_MAD, rdest, WRITEMASK_XYZW, dest,
+ emit_arith(fp, PFS_OP_MAD, rdest, fpi->DstReg.WriteMask, dest,
pfs_one, pfs_zero, 0);
free_temp(fp, dest);
}