getting closer to final main composition loop

Change-Id: Icd63782366ffd11d9ea00c925ae5783ed7440cdb
diff --git a/services/surfaceflinger/DisplayHardware.h b/services/surfaceflinger/DisplayHardware.h
index 80d20cb..a638dc0 100644
--- a/services/surfaceflinger/DisplayHardware.h
+++ b/services/surfaceflinger/DisplayHardware.h
@@ -107,6 +107,8 @@
     }
     inline Rect bounds() const { return getBounds(); }
 
+    static void makeCurrent(const DisplayHardware& hw, EGLContext ctx);
+
 private:
     void init(EGLConfig config);