i965: Remove unnecessary release/reference of brw_context.state.depth_region

Release the old depth region and reference the new one *only* if it has
changed.

Reviewed-by: Kenneth Graunke <[email protected]>
Signed-off-by: Chad Versace <[email protected]>

1 files changed, 4 insertions, 6 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_vtbl.c b/src/mesa/drivers/dri/i965/brw_vtbl.c
index 152ee141568..ce8712a260f 100644
--- a/src/mesa/drivers/dri/i965/brw_vtbl.c
+++ b/src/mesa/drivers/dri/i965/brw_vtbl.c
@@ -115,13 +115,11 @@ static void brw_set_draw_region( struct intel_context *intel,
 {
    struct brw_context *brw = brw_context(&intel->ctx);
 
-   /* release old color/depth regions */
-   if (brw->state.depth_region != depth_region)
+   if (brw->state.depth_region != depth_region) {
       brw->state.dirty.brw |= BRW_NEW_DEPTH_BUFFER;
-   intel_region_release(&brw->state.depth_region);
-
-   /* reference new color/depth regions */
-   intel_region_reference(&brw->state.depth_region, depth_region);
+      intel_region_release(&brw->state.depth_region);
+      intel_region_reference(&brw->state.depth_region, depth_region);
+   }
 }