Cleanup attachFunctor

 Bug: 13961296

Change-Id: Id48d11bfcc234afd1fd7e4fdd409a50e7208c81d
diff --git a/libs/hwui/OpenGLRenderer.cpp b/libs/hwui/OpenGLRenderer.cpp
index 95fdb04..6de369c 100644
--- a/libs/hwui/OpenGLRenderer.cpp
+++ b/libs/hwui/OpenGLRenderer.cpp
@@ -379,49 +379,9 @@
     dirtyClip();
 }
 
-void OpenGLRenderer::detachFunctor(Functor* functor) {
-    mFunctors.remove(functor);
-}
-
-void OpenGLRenderer::attachFunctor(Functor* functor) {
-    mFunctors.add(functor);
-}
-
-status_t OpenGLRenderer::invokeFunctors(Rect& dirty) {
-    status_t result = DrawGlInfo::kStatusDone;
-    size_t count = mFunctors.size();
-
-    if (count > 0) {
-        interrupt();
-        SortedVector<Functor*> functors(mFunctors);
-        mFunctors.clear();
-
-        DrawGlInfo info;
-        info.clipLeft = 0;
-        info.clipTop = 0;
-        info.clipRight = 0;
-        info.clipBottom = 0;
-        info.isLayer = false;
-        info.width = 0;
-        info.height = 0;
-        memset(info.transform, 0, sizeof(float) * 16);
-
-        for (size_t i = 0; i < count; i++) {
-            Functor* f = functors.itemAt(i);
-            result |= (*f)(DrawGlInfo::kModeProcess, &info);
-        }
-        resume();
-    }
-
-    return result;
-}
-
 status_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) {
     if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone;
 
-    detachFunctor(functor);
-
-
     Rect clip(*currentClipRect());
     clip.snapToPixelBoundaries();
 
diff --git a/libs/hwui/OpenGLRenderer.h b/libs/hwui/OpenGLRenderer.h
index 7794abc..4de52ac 100644
--- a/libs/hwui/OpenGLRenderer.h
+++ b/libs/hwui/OpenGLRenderer.h
@@ -151,9 +151,6 @@
         return mCountOverdraw ? mOverdraw : 0.0f;
     }
 
-    ANDROID_API status_t invokeFunctors(Rect& dirty);
-    ANDROID_API void detachFunctor(Functor* functor);
-    ANDROID_API void attachFunctor(Functor* functor);
     virtual status_t callDrawGLFunction(Functor* functor, Rect& dirty);
 
     ANDROID_API void pushLayerUpdate(Layer* layer);
@@ -959,8 +956,6 @@
 
     // List of rectangles to clear after saveLayer() is invoked
     Vector<Rect*> mLayers;
-    // List of functors to invoke after a frame is drawn
-    SortedVector<Functor*> mFunctors;
     // List of layers to update at the beginning of a frame
     Vector<Layer*> mLayerUpdates;
 
diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index fc3548c..ca12736 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -486,10 +486,7 @@
         requireGlContext();
         mode = DrawGlInfo::kModeProcess;
     }
-    // TODO: Remove the dummy info in the future
-    DrawGlInfo dummyInfo;
-    memset(&dummyInfo, 0, sizeof(DrawGlInfo));
-    (*functor)(mode, &dummyInfo);
+    (*functor)(mode, NULL);
 
     if (mCanvas) {
         mCanvas->resume();