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Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_vtbl.c')
-rw-r--r--src/mesa/drivers/dri/i965/brw_vtbl.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vtbl.c b/src/mesa/drivers/dri/i965/brw_vtbl.c
index 31e96a250ac..ece01a8c9a5 100644
--- a/src/mesa/drivers/dri/i965/brw_vtbl.c
+++ b/src/mesa/drivers/dri/i965/brw_vtbl.c
@@ -75,15 +75,27 @@ static void brw_set_draw_region( struct intel_context *intel,
GLuint num_regions)
{
struct brw_context *brw = brw_context(&intel->ctx);
+ struct intel_region *old_depth_region, *old_draw_regions[MAX_DRAW_BUFFERS];
int i;
+
if (brw->state.depth_region != depth_region)
brw->state.dirty.brw |= BRW_NEW_DEPTH_BUFFER;
- for (i = 0; i < brw->state.nr_draw_regions; i++)
- intel_region_release(&brw->state.draw_regions[i]);
- intel_region_release(&brw->state.depth_region);
+
+ for (i = 0; i < brw->state.nr_draw_regions; i++) {
+ old_draw_regions[i] = brw->state.draw_regions[i];
+ brw->state.draw_regions[i] = NULL;
+ }
+ old_depth_region = brw->state.depth_region;
+ brw->state.depth_region = NULL;
+
for (i = 0; i < num_regions; i++)
intel_region_reference(&brw->state.draw_regions[i], draw_regions[i]);
intel_region_reference(&brw->state.depth_region, depth_region);
+
+ for (i = 0; i < brw->state.nr_draw_regions; i++)
+ intel_region_release(&old_draw_regions[i]);
+ intel_region_release(&old_depth_region);
+
brw->state.nr_draw_regions = num_regions;
}