Mesa (7.9): i965: Don't write mrf assignment for pointsize output
Ian Romanick
idr at kemper.freedesktop.org
Wed Dec 15 23:15:09 UTC 2010
Module: Mesa
Branch: 7.9
Commit: 6b96b002c8fc8fadc8fe544d6bff0403604e5755
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=6b96b002c8fc8fadc8fe544d6bff0403604e5755
Author: Kristian Høgsberg <krh at bitplanet.net>
Date: Wed Nov 24 10:12:20 2010 -0500
i965: Don't write mrf assignment for pointsize output
https://bugs.freedesktop.org/show_bug.cgi?id=31894
(cherry picked from commit a889f9ee5cccee031c1090a6ef92cba894b1d77c)
---
src/mesa/drivers/dri/i965/brw_vs_emit.c | 3 ++-
1 files changed, 2 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 8ac979d..6f9b589 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c
@@ -272,7 +272,6 @@ static void brw_vs_alloc_regs( struct brw_vs_compile *c )
else if (i == VERT_RESULT_PSIZ) {
c->regs[PROGRAM_OUTPUT][i] = brw_vec8_grf(reg, 0);
reg++;
- mrf++; /* just a placeholder? XXX fix later stages & remove this */
}
else {
/* Two restrictions on our compute-to-MRF here. The
@@ -1488,6 +1487,8 @@ static void emit_vertex_write( struct brw_vs_compile *c)
break;
if (!(c->prog_data.outputs_written & BITFIELD64_BIT(i)))
continue;
+ if (i == VERT_RESULT_PSIZ)
+ continue;
if (i >= VERT_RESULT_TEX0 &&
c->regs[PROGRAM_OUTPUT][i].file == BRW_GENERAL_REGISTER_FILE) {
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