i915g: make set_framebuffer_state more robust

u_blitter is lazy and doesn't fully clear it's stack-allocated fb. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2011-03-06 11:44:06 +01:00
parent 6358e6371b
commit 6ad4a11b3e
1 changed files with 2 additions and 1 deletions
@@ -642,7 +642,8 @@ static void i915_set_framebuffer_state(struct pipe_context *pipe,
   i915->framebuffer.height = fb->height;
   i915->framebuffer.nr_cbufs = fb->nr_cbufs;
   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
-      pipe_surface_reference(&i915->framebuffer.cbufs[i], fb->cbufs[i]);
+      pipe_surface_reference(&i915->framebuffer.cbufs[i],
+                             i < fb->nr_cbufs ? fb->cbufs[i] : NULL);
   }
   pipe_surface_reference(&i915->framebuffer.zsbuf, fb->zsbuf);