Fix another memory leak in OpenGLRenderer

Change-Id: I23ed56891452a05cf3ca13f6919c4fef90d5ff4e

4 files changed, 40 insertions, 34 deletions

diff --git a/libs/hwui/DisplayListRenderer.cpp b/libs/hwui/DisplayListRenderer.cpp
index afab26a..e43f6e5 100644
--- a/libs/hwui/DisplayListRenderer.cpp
+++ b/libs/hwui/DisplayListRenderer.cpp
@@ -101,8 +101,14 @@ void DisplayList::clearResources() {
     }
     mBitmapResources.clear();
 
+    for (size_t i = 0; i < mFilterResources.size(); i++) {
+        caches.resourceCache.decrementRefcount(mFilterResources.itemAt(i));
+    }
+    mFilterResources.clear();
+
     for (size_t i = 0; i < mShaders.size(); i++) {
         caches.resourceCache.decrementRefcount(mShaders.itemAt(i));
+        caches.resourceCache.destructor(mShaders.itemAt(i));
     }
     mShaders.clear();
 
@@ -151,11 +157,18 @@ void DisplayList::initFromDisplayListRenderer(const DisplayListRenderer& recorde
         caches.resourceCache.incrementRefcount(resource);
     }
 
+    const Vector<SkiaColorFilter*> &filterResources = recorder.getFilterResources();
+    for (size_t i = 0; i < filterResources.size(); i++) {
+        SkiaColorFilter* resource = filterResources.itemAt(i);
+        mFilterResources.add(resource);
+        caches.resourceCache.incrementRefcount(resource);
+    }
+
     const Vector<SkiaShader*> &shaders = recorder.getShaders();
     for (size_t i = 0; i < shaders.size(); i++) {
-        SkiaShader* shader = shaders.itemAt(i);
-        mShaders.add(shader);
-        caches.resourceCache.incrementRefcount(shader);
+        SkiaShader* resource = shaders.itemAt(i);
+        mShaders.add(resource);
+        caches.resourceCache.incrementRefcount(resource);
     }
 
     const Vector<SkPaint*> &paints = recorder.getPaints();
@@ -873,21 +886,27 @@ void DisplayListRenderer::reset() {
 
     Caches& caches = Caches::getInstance();
     for (size_t i = 0; i < mBitmapResources.size(); i++) {
-        SkBitmap* resource = mBitmapResources.itemAt(i);
-        caches.resourceCache.decrementRefcount(resource);
+        caches.resourceCache.decrementRefcount(mBitmapResources.itemAt(i));
     }
     mBitmapResources.clear();
 
+    for (size_t i = 0; i < mFilterResources.size(); i++) {
+        caches.resourceCache.decrementRefcount(mFilterResources.itemAt(i));
+    }
+    mFilterResources.clear();
+
     for (size_t i = 0; i < mShaders.size(); i++) {
-       caches.resourceCache.decrementRefcount(mShaders.itemAt(i));
+        caches.resourceCache.decrementRefcount(mShaders.itemAt(i));
     }
     mShaders.clear();
     mShaderMap.clear();
 
     mPaints.clear();
     mPaintMap.clear();
+
     mPaths.clear();
     mPathMap.clear();
+
     mMatrices.clear();
 }
 
diff --git a/libs/hwui/DisplayListRenderer.h b/libs/hwui/DisplayListRenderer.h
index 98c341f..b83259f 100644
--- a/libs/hwui/DisplayListRenderer.h
+++ b/libs/hwui/DisplayListRenderer.h
@@ -292,6 +292,10 @@ public:
         return mBitmapResources;
     }
 
+    const Vector<SkiaColorFilter*>& getFilterResources() const {
+        return mFilterResources;
+    }
+
     const Vector<SkiaShader*>& getShaders() const {
         return mShaders;
     }
@@ -308,10 +312,6 @@ public:
         return mMatrices;
     }
 
-    const Vector<SkiaColorFilter*>& getFilterResources() const {
-        return mFilterResources;
-    }
-
 private:
     void insertRestoreToCount() {
         if (mRestoreSaveCount >= 0) {
@@ -431,8 +431,7 @@ private:
         // which doesn't seem worth the extra cycles for this unlikely case.
         addInt((int) bitmap);
         mBitmapResources.add(bitmap);
-        Caches& caches = Caches::getInstance();
-        caches.resourceCache.incrementRefcount(bitmap);
+        Caches::getInstance().resourceCache.incrementRefcount(bitmap);
     }
 
     inline void addShader(SkiaShader* shader) {
@@ -456,8 +455,7 @@ private:
     inline void addColorFilter(SkiaColorFilter* colorFilter) {
         addInt((int) colorFilter);
         mFilterResources.add(colorFilter);
-        Caches& caches = Caches::getInstance();
-        caches.resourceCache.incrementRefcount(colorFilter);
+        Caches::getInstance().resourceCache.incrementRefcount(colorFilter);
     }
 
     Vector<SkBitmap*> mBitmapResources;
diff --git a/libs/hwui/ResourceCache.cpp b/libs/hwui/ResourceCache.cpp
index 9aade51..cd2c405 100644
--- a/libs/hwui/ResourceCache.cpp
+++ b/libs/hwui/ResourceCache.cpp
@@ -48,9 +48,6 @@ ResourceCache::~ResourceCache() {
 
 void ResourceCache::incrementRefcount(void* resource, ResourceType resourceType) {
     Mutex::Autolock _l(mLock);
-    for (size_t i = 0; i < mCache->size(); ++i) {
-        void* ref = mCache->valueAt(i);
-    }
     ResourceReference* ref = mCache->indexOfKey(resource) >= 0 ? mCache->valueFor(resource) : NULL;
     if (ref == NULL || mCache->size() == 0) {
         ref = new ResourceReference(resourceType);
@@ -144,7 +141,6 @@ void ResourceCache::destructor(SkPath* resource) {
     ref->destroyed = true;
     if (ref->refCount == 0) {
         deleteResourceReference(resource, ref);
-        return;
     }
 }
 
@@ -162,7 +158,6 @@ void ResourceCache::destructor(SkBitmap* resource) {
     ref->destroyed = true;
     if (ref->refCount == 0) {
         deleteResourceReference(resource, ref);
-        return;
     }
 }
 
@@ -180,7 +175,6 @@ void ResourceCache::destructor(SkiaShader* resource) {
     ref->destroyed = true;
     if (ref->refCount == 0) {
         deleteResourceReference(resource, ref);
-        return;
     }
 }
 
@@ -195,7 +189,6 @@ void ResourceCache::destructor(SkiaColorFilter* resource) {
     ref->destroyed = true;
     if (ref->refCount == 0) {
         deleteResourceReference(resource, ref);
-        return;
     }
 }
 
@@ -209,36 +202,32 @@ void ResourceCache::deleteResourceReference(void* resource, ResourceReference* r
     }
     if (ref->destroyed) {
         switch (ref->resourceType) {
-            case kBitmap:
-            {
-                SkBitmap* bitmap = (SkBitmap*)resource;
+            case kBitmap: {
+                SkBitmap* bitmap = (SkBitmap*) resource;
                 if (Caches::hasInstance()) {
                     Caches::getInstance().textureCache.removeDeferred(bitmap);
                 }
                 delete bitmap;
             }
             break;
-            case kPath:
-            {
-                SkPath* path = (SkPath*)resource;
+            case kPath: {
+                SkPath* path = (SkPath*) resource;
                 if (Caches::hasInstance()) {
                     Caches::getInstance().pathCache.removeDeferred(path);
                 }
                 delete path;
             }
             break;
-            case kShader:
-            {
-                SkiaShader* shader = (SkiaShader*)resource;
+            case kShader: {
+                SkiaShader* shader = (SkiaShader*) resource;
                 if (Caches::hasInstance()) {
                     Caches::getInstance().gradientCache.removeDeferred(shader->getSkShader());
                 }
                 delete shader;
             }
             break;
-            case kColorFilter:
-            {
-                SkiaColorFilter* filter = (SkiaColorFilter*)resource;
+            case kColorFilter: {
+                SkiaColorFilter* filter = (SkiaColorFilter*) resource;
                 delete filter;
             }
             break;
diff --git a/libs/hwui/SkiaColorFilter.h b/libs/hwui/SkiaColorFilter.h
index bf45e13..1bf475c 100644
--- a/libs/hwui/SkiaColorFilter.h
+++ b/libs/hwui/SkiaColorFilter.h
@@ -59,7 +59,7 @@ struct SkiaColorFilter {
         return mType;
     }
 
-    SkColorFilter *getSkColorFilter() {
+    SkColorFilter* getSkColorFilter() {
         return mSkFilter;
     }