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authorEric Anholt <[email protected]>2010-03-09 09:56:42 -0800
committerEric Anholt <[email protected]>2010-03-09 14:42:17 -0800
commitf6f547d87ea68f44c50a0b0231b7360ca94b2975 (patch)
tree180ea11e92a0af4fd1aeb7926426d5652cbaf507 /src/mesa
parent7f6d2754d586545ab6c970acffdd897294879039 (diff)
i965: Fix nested loops in the VS.
We were patching up all the break and continues between the start of our loop and the end of our loop, even if they were breaks/continues for an inner loop. Avoiding patching already patched breaks/continues fixes piglit glsl-vs-loop-nested.
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/brw_vs_emit.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c
index a7c4b589727..a48804a660f 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c
@@ -1717,11 +1717,13 @@ void brw_vs_emit(struct brw_vs_compile *c )
/* patch all the BREAK/CONT instructions from last BEGINLOOP */
while (inst0 > loop_inst[loop_depth]) {
inst0--;
- if (inst0->header.opcode == BRW_OPCODE_BREAK) {
+ if (inst0->header.opcode == BRW_OPCODE_BREAK &&
+ inst0->bits3.if_else.jump_count == 0) {
inst0->bits3.if_else.jump_count = br * (inst1 - inst0 + 1);
inst0->bits3.if_else.pop_count = 0;
}
- else if (inst0->header.opcode == BRW_OPCODE_CONTINUE) {
+ else if (inst0->header.opcode == BRW_OPCODE_CONTINUE &&
+ inst0->bits3.if_else.jump_count == 0) {
inst0->bits3.if_else.jump_count = br * (inst1 - inst0);
inst0->bits3.if_else.pop_count = 0;
}