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/*
* 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() {
LOGD("ResourceCache: cacheReport:");
for (size_t i = 0; i < mCache->size(); ++i) {
ResourceReference* ref = mCache->valueAt(i);
LOGD(" ResourceCache: mCache(%d): resource, ref = 0x%p, 0x%p",
i, mCache->keyAt(i), mCache->valueAt(i));
LOGD(" 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::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);
mCache->add(resource, ref);
}
ref->refCount++;
}
void ResourceCache::incrementRefcount(SkBitmap* bitmapResource) {
bitmapResource->pixelRef()->safeRef();
bitmapResource->getColorTable()->safeRef();
incrementRefcount((void*)bitmapResource, kBitmap);
}
void ResourceCache::incrementRefcount(SkiaShader* shaderResource) {
shaderResource->getSkShader()->safeRef();
incrementRefcount((void*)shaderResource, kShader);
}
void ResourceCache::incrementRefcount(SkiaColorFilter* filterResource) {
filterResource->getSkColorFilter()->safeRef();
incrementRefcount((void*)filterResource, kColorFilter);
}
void ResourceCache::decrementRefcount(void* resource) {
Mutex::Autolock _l(mLock);
ResourceReference* ref = mCache->indexOfKey(resource) >= 0 ? mCache->valueFor(resource) : 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) {
deleteResourceReference(resource, ref);
}
}
void ResourceCache::decrementRefcount(SkBitmap* bitmapResource) {
bitmapResource->pixelRef()->safeUnref();
bitmapResource->getColorTable()->safeUnref();
decrementRefcount((void*)bitmapResource);
}
void ResourceCache::decrementRefcount(SkiaShader* shaderResource) {
shaderResource->getSkShader()->safeUnref();
decrementRefcount((void*)shaderResource);
}
void ResourceCache::decrementRefcount(SkiaColorFilter* filterResource) {
filterResource->getSkColorFilter()->safeUnref();
decrementRefcount((void*)filterResource);
}
void ResourceCache::recycle(SkBitmap* resource) {
Mutex::Autolock _l(mLock);
if (mCache->indexOfKey(resource) < 0) {
// not tracking this resource; just recycle the pixel data
resource->setPixels(NULL, NULL);
return;
}
recycle((void*) resource);
}
void ResourceCache::recycle(void* resource) {
Mutex::Autolock _l(mLock);
ResourceReference* ref = mCache->indexOfKey(resource) >= 0 ? mCache->valueFor(resource) : NULL;
if (ref == NULL) {
// Should not get here - shouldn't get a call to recycle if we're not yet tracking it
return;
}
ref->recycled = true;
if (ref->refCount == 0) {
deleteResourceReference(resource, ref);
}
}
void ResourceCache::destructor(SkBitmap* resource) {
Mutex::Autolock _l(mLock);
ResourceReference* ref = mCache->indexOfKey(resource) >= 0 ? mCache->valueFor(resource) : 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) {
deleteResourceReference(resource, ref);
return;
}
}
void ResourceCache::destructor(SkiaShader* resource) {
Mutex::Autolock _l(mLock);
ResourceReference* ref = mCache->indexOfKey(resource) >= 0 ? mCache->valueFor(resource) : NULL;
if (ref == NULL) {
// If we're not tracking this resource, just delete it
if (Caches::hasInstance()) {
Caches::getInstance().gradientCache.removeDeferred(resource->getSkShader());
}
delete resource;
return;
}
ref->destroyed = true;
if (ref->refCount == 0) {
deleteResourceReference(resource, ref);
return;
}
}
void ResourceCache::destructor(SkiaColorFilter* resource) {
Mutex::Autolock _l(mLock);
ResourceReference* ref = mCache->indexOfKey(resource) >= 0 ? mCache->valueFor(resource) : NULL;
if (ref == NULL) {
// If we're not tracking this resource, just delete it
delete resource;
return;
}
ref->destroyed = true;
if (ref->refCount == 0) {
deleteResourceReference(resource, ref);
return;
}
}
/**
* 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::deleteResourceReference(void* resource, ResourceReference* ref) {
if (ref->recycled && ref->resourceType == kBitmap) {
((SkBitmap*) resource)->setPixels(NULL, NULL);
}
if (ref->destroyed) {
switch (ref->resourceType) {
case kBitmap:
{
SkBitmap* bitmap = (SkBitmap*)resource;
if (Caches::hasInstance()) {
Caches::getInstance().textureCache.removeDeferred(bitmap);
}
delete bitmap;
}
break;
case kShader:
{
SkiaShader* shader = (SkiaShader*)resource;
if (Caches::hasInstance()) {
Caches::getInstance().gradientCache.removeDeferred(shader->getSkShader());
}
delete shader;
}
break;
case kColorFilter:
{
SkiaColorFilter* filter = (SkiaColorFilter*)resource;
delete filter;
}
break;
}
}
mCache->removeItem(resource);
delete ref;
}
}; // namespace uirenderer
}; // namespace android
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