ee248599d4
This removes dependence on SkPath ptrs that HWUI does not control the lifecycle of. This clears up some errors where the paths are not generated from Java, but rather the Skia test suites. Cherry-pick of a change that originally landed in master-skia and is dependent on a skia merge (ag/655422). Change-Id: I41b9797a2b0af5d6b4ea51891565469d4f1d832d
144 lines
3.9 KiB
C++
144 lines
3.9 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HWUI_RESOURCE_CACHE_H
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#define ANDROID_HWUI_RESOURCE_CACHE_H
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#include <cutils/compiler.h>
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#include <SkBitmap.h>
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#include <SkPixelRef.h>
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#include <utils/KeyedVector.h>
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#include <utils/Singleton.h>
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#include <androidfw/ResourceTypes.h>
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namespace android {
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namespace uirenderer {
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class Layer;
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/**
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* Type of Resource being cached
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*/
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enum ResourceType {
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kNinePatch,
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};
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class ResourceReference {
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public:
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ResourceReference(ResourceType type) {
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refCount = 0; destroyed = false; resourceType = type;
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}
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int refCount;
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bool destroyed;
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ResourceType resourceType;
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};
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class BitmapKey {
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public:
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BitmapKey(const SkBitmap* bitmap)
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: mRefCount(1)
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, mBitmapDimensions(bitmap->dimensions())
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, mPixelRefOrigin(bitmap->pixelRefOrigin())
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, mPixelRefStableID(bitmap->pixelRef()->getStableID()) { }
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void operator=(const BitmapKey& other);
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bool operator==(const BitmapKey& other) const;
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bool operator<(const BitmapKey& other) const;
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private:
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// This constructor is only used by the KeyedVector implementation
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BitmapKey()
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: mRefCount(-1)
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, mBitmapDimensions(SkISize::Make(0,0))
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, mPixelRefOrigin(SkIPoint::Make(0,0))
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, mPixelRefStableID(0) { }
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// reference count of all HWUI object using this bitmap
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mutable int mRefCount;
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SkISize mBitmapDimensions;
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SkIPoint mPixelRefOrigin;
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uint32_t mPixelRefStableID;
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friend class ResourceCache;
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friend struct android::key_value_pair_t<BitmapKey, SkBitmap*>;
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};
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class ANDROID_API ResourceCache: public Singleton<ResourceCache> {
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ResourceCache();
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~ResourceCache();
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friend class Singleton<ResourceCache>;
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public:
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/**
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* When using these two methods, make sure to only invoke the *Locked()
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* variants of increment/decrementRefcount(), recyle() and destructor()
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*/
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void lock();
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void unlock();
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/**
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* The cache stores a copy of the provided resource or refs an existing resource
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* if the bitmap has previously been inserted and returns the cached copy.
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*/
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const SkBitmap* insert(const SkBitmap* resource);
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void incrementRefcount(const Res_png_9patch* resource);
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void decrementRefcount(const SkBitmap* resource);
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void decrementRefcount(const Res_png_9patch* resource);
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void decrementRefcountLocked(const SkBitmap* resource);
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void decrementRefcountLocked(const Res_png_9patch* resource);
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void destructor(Res_png_9patch* resource);
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void destructorLocked(Res_png_9patch* resource);
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private:
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void deleteResourceReferenceLocked(const void* resource, ResourceReference* ref);
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void incrementRefcount(void* resource, ResourceType resourceType);
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void incrementRefcountLocked(void* resource, ResourceType resourceType);
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void decrementRefcount(void* resource);
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void decrementRefcountLocked(void* resource);
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void logCache();
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/**
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* Used to increment, decrement, and destroy. Incrementing is generally accessed on the UI
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* thread, but destroying resources may be called from the GC thread, the finalizer thread,
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* or a reference queue finalization thread.
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*/
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mutable Mutex mLock;
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KeyedVector<const void*, ResourceReference*>* mCache;
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KeyedVector<BitmapKey, SkBitmap*> mBitmapCache;
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};
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}; // namespace uirenderer
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}; // namespace android
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#endif // ANDROID_HWUI_RESOURCE_CACHE_H
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