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authorEric Anholt <eric@anholt.net>2010-01-09 02:03:13 -0800
committerEric Anholt <eric@anholt.net>2010-01-18 13:52:47 -0800
commitd5b964234c37673ec6b444d0a8fa3b823f03fd05 (patch)
tree40d66b43886ded430294963f6e3366368e1fb177 /src/mesa/drivers
parentc6559b7e01bbbf7f8d23d6ca58b5fe3d8514ad97 (diff)
i965: Fix loads of non-relative-addr constants after a reladdr load.
Fixes piglit vp-arl-constant-array-huge-overwritten.
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r--src/mesa/drivers/dri/i965/brw_vs_emit.c8
1 files changed, 7 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 1b84dd505f..59334c9ebb 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c
@@ -771,7 +771,13 @@ get_constant(struct brw_vs_compile *c,
if (c->current_const[argIndex].index != src->Index || relAddr) {
struct brw_reg addrReg = c->regs[PROGRAM_ADDRESS][0];
- c->current_const[argIndex].index = src->Index;
+ /* If using a non-relative-addressed constant, then keep track of it for
+ * later use without reloading.
+ */
+ if (relAddr)
+ c->current_const[argIndex].index = -1;
+ else
+ c->current_const[argIndex].index = src->Index;
#if 0
printf(" fetch const[%d] for arg %d into reg %d\n",