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-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_surface_state.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index c931df3c605..601bbc7b1a0 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -536,6 +536,11 @@ prepare_wm_surfaces(struct brw_context *brw)
struct intel_renderbuffer *irb = intel_renderbuffer(rb);
struct intel_region *region = irb ? irb->region : NULL;
+ if (region == NULL || region->buffer == NULL) {
+ brw->intel.Fallback = GL_TRUE; /* boolean, not bitfield */
+ return;
+ }
+
brw_add_validated_bo(brw, region->buffer);
nr_surfaces = SURF_INDEX_DRAW(i) + 1;
}