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svga: fix referencing a NULL framebuffer cbuf

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Check for a valid framebuffer cbuf pointer before accessing its
associated surface.

Fix piglit test fbo-drawbuffers-none.

Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Charmaine Lee
2015-08-21 11:41:26 -07:00
committed by Brian Paul
parent 5a5e5e3959
commit 4a9480b64a
1 changed files with 2 additions and 2 deletions
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src/gallium/drivers/svga/svga_pipe_sampler.c
+2 -2
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@@ -455,8 +455,8 @@ svga_set_sampler_views(struct pipe_context *pipe,
* for the conflicted surface view.
*/
for (i = 0; i < svga->curr.framebuffer.nr_cbufs; i++) {
struct svga_surface *s = svga_surface(svga->curr.framebuffer.cbufs[i]);
if (s) {
if (svga->curr.framebuffer.cbufs[i]) {
struct svga_surface *s = svga_surface(svga->curr.framebuffer.cbufs[i]);
if (svga_check_sampler_view_resource_collision(svga, s->handle, shader)) {
svga->dirty |= SVGA_NEW_FRAME_BUFFER;
break;