diff --git a/configstore/1.0/ISurfaceFlingerConfigs.hal b/configstore/1.0/ISurfaceFlingerConfigs.hal
index 58cb9f1..ce967ee 100644
--- a/configstore/1.0/ISurfaceFlingerConfigs.hal
+++ b/configstore/1.0/ISurfaceFlingerConfigs.hal
@@ -76,4 +76,12 @@
      * present fences.
      */
     presentTimeOffsetFromVSyncNs() generates(OptionalInt64 value);
+
+    /*
+     * Some hardware can do RGB->YUV conversion more efficiently in hardware
+     * controlled by HWC than in hardware controlled by the video encoder.
+     * This instruct VirtualDisplaySurface to use HWC for such conversion on
+     * GL composition.
+     */
+    useHwcForRGBtoYUV() generates(OptionalBool value);
 };