From: Brian Paul <brianp@vmware.com>
Date: Fri, 2 Jul 2010 14:07:34 +0000 (-0600)
Subject: gallium/cso: check for set_vertex_sampler_views != NULL before calling it
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e845765f0f8791a0e6c2e54b91ebf9f0e831d19f;p=mesa.git

gallium/cso: check for set_vertex_sampler_views != NULL before calling it

Not all drivers implement this method.
Fixes regression reported by Chris Rankin and bug 28889.
---

diff --git a/src/gallium/auxiliary/cso_cache/cso_context.c b/src/gallium/auxiliary/cso_cache/cso_context.c
index 2a85fe365e2..c1662df6ab1 100644
--- a/src/gallium/auxiliary/cso_cache/cso_context.c
+++ b/src/gallium/auxiliary/cso_cache/cso_context.c
@@ -290,7 +290,8 @@ void cso_release_all( struct cso_context *ctx )
       ctx->pipe->bind_vs_state( ctx->pipe, NULL );
       ctx->pipe->bind_vertex_elements_state( ctx->pipe, NULL );
       ctx->pipe->set_fragment_sampler_views(ctx->pipe, 0, NULL);
-      ctx->pipe->set_vertex_sampler_views(ctx->pipe, 0, NULL);
+      if (ctx->pipe->set_vertex_sampler_views)
+         ctx->pipe->set_vertex_sampler_views(ctx->pipe, 0, NULL);
    }
 
    for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {