diff --git a/include/surfaceflinger/SurfaceComposerClient.h b/include/surfaceflinger/SurfaceComposerClient.h
index a80832d..25b2ebf 100644
--- a/include/surfaceflinger/SurfaceComposerClient.h
+++ b/include/surfaceflinger/SurfaceComposerClient.h
@@ -183,6 +183,8 @@
     // frees the previous screenshot and capture a new one
     status_t update();
     status_t update(uint32_t reqWidth, uint32_t reqHeight);
+    status_t update(uint32_t reqWidth, uint32_t reqHeight,
+            uint32_t minLayerZ, uint32_t maxLayerZ);
 
     // release memory occupied by the screenshot
     void release();