summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/r300/compiler
diff options
context:
space:
mode:
authorMarek Olšák <[email protected]>2012-01-04 05:18:58 +0100
committerMarek Olšák <[email protected]>2012-01-05 18:29:11 +0100
commitc77efc6bb63f7ff3f1ddf500e57beff5b317b9b1 (patch)
treefabf8a62a35d5618c35164abbc87a1aff5bbb062 /src/gallium/drivers/r300/compiler
parentc2cc630f2896175ff0f368d9199acbe24afb7e75 (diff)
r300/compiler: fix buffer underflow when setting SEM_WAIT on last instruction
Do it after we check whether inst_end != -1. Also move the code structure at the beginning of r300_fragment_shader_code to detect underflows easily with valgrind.
Diffstat (limited to 'src/gallium/drivers/r300/compiler')
-rw-r--r--src/gallium/drivers/r300/compiler/r500_fragprog_emit.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/gallium/drivers/r300/compiler/r500_fragprog_emit.c b/src/gallium/drivers/r300/compiler/r500_fragprog_emit.c
index bfd4aa82b95..87b96d15079 100644
--- a/src/gallium/drivers/r300/compiler/r500_fragprog_emit.c
+++ b/src/gallium/drivers/r300/compiler/r500_fragprog_emit.c
@@ -650,9 +650,6 @@ void r500BuildFragmentProgramHwCode(struct radeon_compiler *c, void *user)
}
}
- /* Make sure TEX_SEM_WAIT is set on the last instruction */
- code->inst[code->inst_end].inst0 |= R500_INST_TEX_SEM_WAIT;
-
if (code->max_temp_idx >= compiler->Base.max_temp_regs)
rc_error(&compiler->Base, "Too many hardware temporaries used");
@@ -674,6 +671,9 @@ void r500BuildFragmentProgramHwCode(struct radeon_compiler *c, void *user)
code->inst[ip].inst0 = R500_INST_TYPE_OUT | R500_INST_TEX_SEM_WAIT;
}
+ /* Make sure TEX_SEM_WAIT is set on the last instruction */
+ code->inst[code->inst_end].inst0 |= R500_INST_TEX_SEM_WAIT;
+
/* Enable full flow control mode if we are using loops or have if
* statements nested at least four deep. */
if (s.MaxBranchDepth >= 4 || s.LoopsReserved > 0) {