From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Wed, 19 Mar 2008 22:41:54 +0000 (-0600)
Subject: gallium: fix bug in cso_single_sampler_done() in computation of nr_samplers
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b45669283fe4b9af9f2e78ac3c0c84207cf63775;p=mesa.git

gallium: fix bug in cso_single_sampler_done() in computation of nr_samplers

Need to find highest used sampler so search from end toward beginning.
---

diff --git a/src/gallium/auxiliary/cso_cache/cso_context.c b/src/gallium/auxiliary/cso_cache/cso_context.c
index 53d05ae6ce0..01fe2164478 100644
--- a/src/gallium/auxiliary/cso_cache/cso_context.c
+++ b/src/gallium/auxiliary/cso_cache/cso_context.c
@@ -217,9 +217,11 @@ void cso_single_sampler_done( struct cso_context *ctx )
 {
    unsigned i; 
 
-   for (i = 0; i < 8; i++)
-      if (ctx->samplers[i] == NULL)
+   /* find highest non-null sampler */
+   for (i = PIPE_MAX_SAMPLERS; i > 0; i--) {
+      if (ctx->samplers[i - 1] != NULL)
          break;
+   }
 
    ctx->nr_samplers = i;