From: Ian Romanick <[email protected]>
Fixes i965 piglit:
vs-varying-array-mat[234]-col-row-wr
vs-varying-array-mat[234]-index-col-row-wr
vs-varying-array-mat[234]-index-row-wr
vs-varying-array-mat[234]-row-wr
vs-varying-mat[234]-col-row-wr
vs-varying-mat[234]-row-wr
Reviewed-by: Eric Anholt <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
---
src/mesa/drivers/dri/i965/brw_vs_emit.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c
b/src/mesa/drivers/dri/i965/brw_vs_emit.c
index 9d73334..5ef8b07 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c
@@ -1993,7 +1993,11 @@ void brw_vs_emit(struct brw_vs_compile *c )
index = inst->DstReg.Index;
file = inst->DstReg.File;
if (file == PROGRAM_OUTPUT && c->output_regs[index].used_in_src)
- dst = c->output_regs[index].reg;
+ /* Can't just make get_dst "do the right thing" here because other
+ * callers of get_dst don't expect any special behavior for the
+ * c->output_regs[index].used_in_src case.
+ */
+ dst = brw_writemask(c->output_regs[index].reg, inst->DstReg.WriteMask);
else
dst = get_dst(c, inst->DstReg);
--
1.7.4.4
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