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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrGpuResource.h"
#include "GrResourceCache2.h"
#include "GrGpu.h"
static inline GrResourceCache2* get_resource_cache2(GrGpu* gpu) {
SkASSERT(gpu);
SkASSERT(gpu->getContext());
SkASSERT(gpu->getContext()->getResourceCache2());
return gpu->getContext()->getResourceCache2();
}
static inline GrResourceCache* get_resource_cache(GrGpu* gpu) {
SkASSERT(gpu);
SkASSERT(gpu->getContext());
SkASSERT(gpu->getContext()->getResourceCache());
return gpu->getContext()->getResourceCache();
}
GrGpuResource::GrGpuResource(GrGpu* gpu, bool isWrapped)
: fGpu(gpu)
, fCacheEntry(NULL)
, fUniqueID(CreateUniqueID())
, fScratchKey(GrResourceKey::NullScratchKey()) {
if (isWrapped) {
fFlags = kWrapped_FlagBit;
} else {
fFlags = 0;
}
}
void GrGpuResource::registerWithCache() {
get_resource_cache2(fGpu)->insertResource(this);
}
GrGpuResource::~GrGpuResource() {
// subclass should have released this.
SkASSERT(this->wasDestroyed());
}
void GrGpuResource::release() {
if (fGpu) {
this->onRelease();
get_resource_cache2(fGpu)->removeResource(this);
fGpu = NULL;
}
}
void GrGpuResource::abandon() {
if (fGpu) {
this->onAbandon();
get_resource_cache2(fGpu)->removeResource(this);
fGpu = NULL;
}
}
const GrContext* GrGpuResource::getContext() const {
if (fGpu) {
return fGpu->getContext();
} else {
return NULL;
}
}
GrContext* GrGpuResource::getContext() {
if (fGpu) {
return fGpu->getContext();
} else {
return NULL;
}
}
void GrGpuResource::notifyIsPurgable() const {
if (fCacheEntry && !this->wasDestroyed()) {
get_resource_cache(fGpu)->notifyPurgable(this);
}
}
void GrGpuResource::setScratchKey(const GrResourceKey& scratchKey) {
SkASSERT(fScratchKey.isNullScratch());
SkASSERT(scratchKey.isScratch());
SkASSERT(!scratchKey.isNullScratch());
fScratchKey = scratchKey;
}
const GrResourceKey* GrGpuResource::getContentKey() const {
if (fCacheEntry && !fCacheEntry->key().isScratch()) {
return &fCacheEntry->key();
}
return NULL;
}
bool GrGpuResource::isScratch() const {
// Currently scratch resources have a cache entry in GrResourceCache with a scratch key.
return NULL != fCacheEntry && fCacheEntry->key().isScratch();
}
uint32_t GrGpuResource::CreateUniqueID() {
static int32_t gUniqueID = SK_InvalidUniqueID;
uint32_t id;
do {
id = static_cast<uint32_t>(sk_atomic_inc(&gUniqueID) + 1);
} while (id == SK_InvalidUniqueID);
return id;
}
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