commit 998a6d81896df8b662cc10ddeb35087b78b38d72
author John Reck <jreck@google.com> Thu Aug 28 15:35:53 2014 -0700
committer John Reck <jreck@google.com> Thu Aug 28 15:55:26 2014 -0700
tree 33af22fd2b087c8935fc2f6b4b03a71495ed83ef
parent e9a204f04465c26a32a15c237b985def8c2b4a90

Track buildLayer calls, destroy if unused

 Bug: 17208461

Change-Id: Ibdb104a493285d77a6891c5e74e38a52c7014da9

libs/hwui/renderthread/CanvasContext.h

diff --git a/libs/hwui/renderthread/CanvasContext.h b/libs/hwui/renderthread/CanvasContext.h
index 749da1b..7c27190 100644
--- a/libs/hwui/renderthread/CanvasContext.h
+++ b/libs/hwui/renderthread/CanvasContext.h
@@ -17,6 +17,8 @@
 #ifndef CANVASCONTEXT_H_
 #define CANVASCONTEXT_H_
 
+#include <set>
+
 #include <cutils/compiler.h>
 #include <EGL/egl.h>
 #include <SkBitmap.h>
@@ -71,6 +73,7 @@
 
     void buildLayer(RenderNode* node);
     bool copyLayerInto(DeferredLayerUpdater* layer, SkBitmap* bitmap);
+    void markLayerInUse(RenderNode* node);
 
     void destroyHardwareResources();
     static void trimMemory(RenderThread& thread, int level);
@@ -99,6 +102,8 @@
 
     void requireGlContext();
 
+    void freePrefetechedLayers();
+
     RenderThread& mRenderThread;
     EglManager& mEglManager;
     sp<ANativeWindow> mNativeWindow;
@@ -114,6 +119,8 @@
     const sp<RenderNode> mRootRenderNode;
 
     DrawProfiler mProfiler;
+
+    std::set<RenderNode*> mPrefetechedLayers;
 };
 
 } /* namespace renderthread */