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-rw-r--r--src/mesa/drivers/dri/i965/brw_vs_emit.c6
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 9d733344a26..5ef8b0720ba 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);