From: Nicolai Hähnle <[email protected]>
When hasFixedUnit is false, polygon stippling will fail when there is no free
sampler available. Make the corresponding guard more robust in preparation
of raising PIPE_MAX_SAMPLERS to 32.
---
src/gallium/auxiliary/util/u_pstipple.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/gallium/auxiliary/util/u_pstipple.c
b/src/gallium/auxiliary/util/u_pstipple.c
index bcbe2a2..52aec80 100644
--- a/src/gallium/auxiliary/util/u_pstipple.c
+++ b/src/gallium/auxiliary/util/u_pstipple.c
@@ -268,7 +268,7 @@ pstip_transform_prolog(struct tgsi_transform_context *ctx)
/* find free texture sampler */
pctx->freeSampler = free_bit(pctx->samplersUsed);
- if (pctx->freeSampler >= PIPE_MAX_SAMPLERS)
+ if (pctx->freeSampler < 0 || pctx->freeSampler >= PIPE_MAX_SAMPLERS)
pctx->freeSampler = PIPE_MAX_SAMPLERS - 1;
if (pctx->wincoordInput < 0)
--
2.5.0
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