/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <SkPixelRef.h>
#include "ResourceCache.h"
#include "Caches.h"
namespace android {
namespace uirenderer {
///////////////////////////////////////////////////////////////////////////////
// Resource cache
///////////////////////////////////////////////////////////////////////////////
void ResourceCache::logCache() {
ALOGD("ResourceCache: cacheReport:");
for (size_t i = 0; i < mCache->size(); ++i) {
ResourceReference* ref = mCache->valueAt(i);
ALOGD(" ResourceCache: mCache(%d): resource, ref = 0x%p, 0x%p",
i, mCache->keyAt(i), mCache->valueAt(i));
ALOGD(" ResourceCache: mCache(%d): refCount, recycled, destroyed, type = %d, %d, %d, %d",
i, ref->refCount, ref->recycled, ref->destroyed, ref->resourceType);
}
}
ResourceCache::ResourceCache() {
Mutex::Autolock _l(mLock);
mCache = new KeyedVector<void*, ResourceReference*>();
}
ResourceCache::~ResourceCache() {
Mutex::Autolock _l(mLock);
delete mCache;
}
void ResourceCache::lock() {
mLock.lock();
}
void ResourceCache::unlock() {
mLock.unlock();
}
void ResourceCache::incrementRefcount(void* resource, ResourceType resourceType) {
Mutex::Autolock _l(mLock);
incrementRefcountLocked(resource, resourceType);
}
void ResourceCache::incrementRefcount(SkBitmap* bitmapResource) {
SkSafeRef(bitmapResource->pixelRef());
SkSafeRef(bitmapResource->getColorTable());
incrementRefcount((void*) bitmapResource, kBitmap);
}
void ResourceCache::incrementRefcount(SkPath* pathResource) {
incrementRefcount((void*) pathResource, kPath);
}
void ResourceCache::incrementRefcount(SkiaShader* shaderResource) {
SkSafeRef(shaderResource->getSkShader());
incrementRefcount((void*) shaderResource, kShader);
}
void ResourceCache::incrementRefcount(SkiaColorFilter* filterResource) {
SkSafeRef(filterResource->getSkColorFilter());
incrementRefcount((void*) filterResource, kColorFilter);
}
void ResourceCache::incrementRefcount(Layer* layerResource) {
incrementRefcount((void*) layerResource, kLayer);
}
void ResourceCache::incrementRefcountLocked(void* resource, ResourceType resourceType) {
ssize_t index = mCache->indexOfKey(resource);
ResourceReference* ref = index >= 0 ? mCache->valueAt(index) : NULL;
if (ref == NULL || mCache->size() == 0) {
ref = new ResourceReference(resourceType);
mCache->add(resource, ref);
}
ref->refCount++;
}
void ResourceCache::incrementRefcountLocked(SkBitmap* bitmapResource) {
SkSafeRef(bitmapResource->pixelRef());
SkSafeRef(bitmapResource->getColorTable());
incrementRefcountLocked((void*) bitmapResource, kBitmap);
}
void ResourceCache::incrementRefcountLocked(SkPath* pathResource) {
incrementRefcountLocked((void*) pathResource, kPath);
}
void ResourceCache::incrementRefcountLocked(SkiaShader* shaderResource) {
SkSafeRef(shaderResource->getSkShader());
incrementRefcountLocked((void*) shaderResource, kShader);
}
void ResourceCache::incrementRefcountLocked(SkiaColorFilter* filterResource) {
SkSafeRef(filterResource->getSkColorFilter());
incrementRefcountLocked((void*) filterResource, kColorFilter);
}
void ResourceCache::incrementRefcountLocked(Layer* layerResource) {
incrementRefcountLocked((void*) layerResource, kLayer);
}
void ResourceCache::decrementRefcount(void* resource) {
Mutex::Autolock _l(mLock);
decrementRefcountLocked(resource);
}
void ResourceCache::decrementRefcount(SkBitmap* bitmapResource) {
SkSafeUnref(bitmapResource->pixelRef());
SkSafeUnref(bitmapResource->getColorTable());
decrementRefcount((void*) bitmapResource);
}
void ResourceCache::decrementRefcount(SkPath* pathResource) {
decrementRefcount((void*) pathResource);
}
void ResourceCache::decrementRefcount(SkiaShader* shaderResource) {
SkSafeUnref(shaderResource->getSkShader());
decrementRefcount((void*) shaderResource);
}
void ResourceCache::decrementRefcount(SkiaColorFilter* filterResource) {
SkSafeUnref(filterResource->getSkColorFilter());
decrementRefcount((void*) filterResource);
}
void ResourceCache::decrementRefcount(Layer* layerResource) {
decrementRefcount((void*) layerResource);
}
void ResourceCache::decrementRefcountLocked(void* resource) {
ssize_t index = mCache->indexOfKey(resource);
ResourceReference* ref = index >= 0 ? mCache->valueAt(index) : NULL;
if (ref == NULL) {
// Should not get here - shouldn't get a call to decrement if we're not yet tracking it
return;
}
ref->refCount--;
if (ref->refCount == 0) {
deleteResourceReferenceLocked(resource, ref);
}
}
void ResourceCache::decrementRefcountLocked(SkBitmap* bitmapResource) {
SkSafeUnref(bitmapResource->pixelRef());
SkSafeUnref(bitmapResource->getColorTable());
decrementRefcountLocked((void*) bitmapResource);
}
void ResourceCache::decrementRefcountLocked(SkPath* pathResource) {
decrementRefcountLocked((void*) pathResource);
}
void ResourceCache::decrementRefcountLocked(SkiaShader* shaderResource) {
SkSafeUnref(shaderResource->getSkShader());
decrementRefcountLocked((void*) shaderResource);
}
void ResourceCache::decrementRefcountLocked(SkiaColorFilter* filterResource) {
SkSafeUnref(filterResource->getSkColorFilter());
decrementRefcountLocked((void*) filterResource);
}
void ResourceCache::decrementRefcountLocked(Layer* layerResource) {
decrementRefcountLocked((void*) layerResource);
}
void ResourceCache::destructor(SkPath* resource) {
Mutex::Autolock _l(mLock);
destructorLocked(resource);
}
void ResourceCache::destructorLocked(SkPath* resource) {
ssize_t index = mCache->indexOfKey(resource);
ResourceReference* ref = index >= 0 ? mCache->valueAt(index) : NULL;
if (ref == NULL) {
// If we're not tracking this resource, just delete it
if (Caches::hasInstance()) {
Caches::getInstance().pathCache.removeDeferred(resource);
}
delete resource;
return;
}
ref->destroyed = true;
if (ref->refCount == 0) {
deleteResourceReferenceLocked(resource, ref);
}
}
void ResourceCache::destructor(SkBitmap* resource) {
Mutex::Autolock _l(mLock);
destructorLocked(resource);
}
void ResourceCache::destructorLocked(SkBitmap* resource) {
ssize_t index = mCache->indexOfKey(resource);
ResourceReference* ref = index >= 0 ? mCache->valueAt(index) : NULL;
if (ref == NULL) {
// If we're not tracking this resource, just delete it
if (Caches::hasInstance()) {
Caches::getInstance().textureCache.removeDeferred(resource);
}
delete resource;
return;
}
ref->destroyed = true;
if (ref->refCount == 0) {
deleteResourceReferenceLocked(resource, ref);
}
}
void ResourceCache::destructor(SkiaShader* resource) {
Mutex::Autolock _l(mLock);
destructorLocked(resource);
}
void ResourceCache::destructorLocked(SkiaShader* resource) {
ssize_t index = mCache->indexOfKey(resource);
ResourceReference* ref = index >= 0 ? mCache->valueAt(index) : NULL;
if (ref == NULL) {
// If we're not tracking this resource, just delete it
delete resource;
return;
}
ref->destroyed = true;
if (ref->refCount == 0) {
deleteResourceReferenceLocked(resource, ref);
}
}
void ResourceCache::destructor(SkiaColorFilter* resource) {
Mutex::Autolock _l(mLock);
destructorLocked(resource);
}
void ResourceCache::destructorLocked(SkiaColorFilter* resource) {
ssize_t index = mCache->indexOfKey(resource);
ResourceReference* ref = index >= 0 ? mCache->valueAt(index) : NULL;
if (ref == NULL) {
// If we're not tracking this resource, just delete it
delete resource;
return;
}
ref->destroyed = true;
if (ref->refCount == 0) {
deleteResourceReferenceLocked(resource, ref);
}
}
/**
* Return value indicates whether resource was actually recycled, which happens when RefCnt
* reaches 0.
*/
bool ResourceCache::recycle(SkBitmap* resource) {
Mutex::Autolock _l(mLock);
return recycleLocked(resource);
}
/**
* Return value indicates whether resource was actually recycled, which happens when RefCnt
* reaches 0.
*/
bool ResourceCache::recycleLocked(SkBitmap* resource) {
ssize_t index = mCache->indexOfKey(resource);
if (index < 0) {
// not tracking this resource; just recycle the pixel data
resource->setPixels(NULL, NULL);
return true;
}
ResourceReference* ref = mCache->valueAt(index);
if (ref == NULL) {
// Should not get here - shouldn't get a call to recycle if we're not yet tracking it
return true;
}
ref->recycled = true;
if (ref->refCount == 0) {
deleteResourceReferenceLocked(resource, ref);
return true;
}
// Still referring to resource, don't recycle yet
return false;
}
/**
* This method should only be called while the mLock mutex is held (that mutex is grabbed
* by the various destructor() and recycle() methods which call this method).
*/
void ResourceCache::deleteResourceReferenceLocked(void* resource, ResourceReference* ref) {
if (ref->recycled && ref->resourceType == kBitmap) {
((SkBitmap*) resource)->setPixels(NULL, NULL);
}
if (ref->destroyed || ref->resourceType == kLayer) {
switch (ref->resourceType) {
case kBitmap: {
SkBitmap* bitmap = (SkBitmap*) resource;
if (Caches::hasInstance()) {
Caches::getInstance().textureCache.removeDeferred(bitmap);
}
delete bitmap;
}
break;
case kPath: {
SkPath* path = (SkPath*) resource;
if (Caches::hasInstance()) {
Caches::getInstance().pathCache.removeDeferred(path);
}
delete path;
}
break;
case kShader: {
SkiaShader* shader = (SkiaShader*) resource;
delete shader;
}
break;
case kColorFilter: {
SkiaColorFilter* filter = (SkiaColorFilter*) resource;
delete filter;
}
break;
case kLayer: {
Layer* layer = (Layer*) resource;
Caches::getInstance().deleteLayerDeferred(layer);
}
break;
}
}
mCache->removeItem(resource);
delete ref;
}
}; // namespace uirenderer
}; // namespace android