[Mesa-dev] [PATCH] r600g/sb: treat undefined values like constants
Dave Airlie
airlied at gmail.com
Tue Feb 17 16:17:32 PST 2015
From: Dave Airlie <airlied at redhat.com>
When we schedule an instructions with undefined value, we
eventually will use 0, which is a constant, however sb wasn't
taking this into account and creating ops with illegal scalar
swizzles.
this replaces my fix for op3 in t slots.
Signed-off-by: Dave Airlie <airlied at redhat.com>
---
src/gallium/drivers/r600/sb/sb_sched.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/r600/sb/sb_sched.cpp b/src/gallium/drivers/r600/sb/sb_sched.cpp
index 4fbdc4f..63e7464 100644
--- a/src/gallium/drivers/r600/sb/sb_sched.cpp
+++ b/src/gallium/drivers/r600/sb/sb_sched.cpp
@@ -266,7 +266,7 @@ bool rp_gpr_tracker::try_reserve(alu_node* n) {
for (i = 0; i < nsrc; ++i) {
value *v = n->src[i];
- if (v->is_readonly()) {
+ if (v->is_readonly() || v->is_undef()) {
const_count++;
if (trans && const_count == 3)
break;
@@ -295,7 +295,7 @@ bool rp_gpr_tracker::try_reserve(alu_node* n) {
if (need_unreserve && i--) {
do {
value *v = n->src[i];
- if (!v->is_readonly()) {
+ if (!v->is_readonly() && !v->is_undef()) {
if (i == 1 && opt)
continue;
unreserve(bs_cycle(trans, bs, i), n->bc.src[i].sel,
--
2.1.0
More information about the mesa-dev
mailing list