blob: 7f65af25d4e9c6431152bdbd1f76b0dfe1b1cc11 [file] [log] [blame]
/*
* 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 "GrResourceCache.h"
#include "GrGpu.h"
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, LifeCycle lifeCycle)
: fGpu(gpu)
, fGpuMemorySize(kInvalidGpuMemorySize)
, fLifeCycle(lifeCycle)
, fUniqueID(CreateUniqueID()) {
}
void GrGpuResource::registerWithCache() {
get_resource_cache(fGpu)->resourceAccess().insertResource(this);
}
GrGpuResource::~GrGpuResource() {
// The cache should have released or destroyed this resource.
SkASSERT(this->wasDestroyed());
}
void GrGpuResource::release() {
SkASSERT(fGpu);
this->onRelease();
get_resource_cache(fGpu)->resourceAccess().removeResource(this);
fGpu = NULL;
fGpuMemorySize = 0;
}
void GrGpuResource::abandon() {
SkASSERT(fGpu);
this->onAbandon();
get_resource_cache(fGpu)->resourceAccess().removeResource(this);
fGpu = NULL;
fGpuMemorySize = 0;
}
const SkData* GrGpuResource::setCustomData(const SkData* data) {
SkSafeRef(data);
fData.reset(data);
return data;
}
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::didChangeGpuMemorySize() const {
if (this->wasDestroyed()) {
return;
}
size_t oldSize = fGpuMemorySize;
SkASSERT(kInvalidGpuMemorySize != oldSize);
fGpuMemorySize = kInvalidGpuMemorySize;
get_resource_cache(fGpu)->resourceAccess().didChangeGpuMemorySize(this, oldSize);
}
void GrGpuResource::removeContentKey() {
SkASSERT(fContentKey.isValid());
get_resource_cache(fGpu)->resourceAccess().willRemoveContentKey(this);
fContentKey.reset();
}
bool GrGpuResource::setContentKey(const GrContentKey& key) {
// Currently this can only be called once and can't be called when the resource is scratch.
SkASSERT(this->internalHasRef());
SkASSERT(key.isValid());
// Wrapped and uncached resources can never have a content key.
if (!this->cacheAccess().isBudgeted()) {
return false;
}
if (fContentKey.isValid() || this->wasDestroyed()) {
return false;
}
fContentKey = key;
if (!get_resource_cache(fGpu)->resourceAccess().didSetContentKey(this)) {
fContentKey.reset();
return false;
}
return true;
}
void GrGpuResource::notifyIsPurgeable() const {
if (this->wasDestroyed()) {
// We've already been removed from the cache. Goodbye cruel world!
SkDELETE(this);
} else {
GrGpuResource* mutableThis = const_cast<GrGpuResource*>(this);
get_resource_cache(fGpu)->resourceAccess().notifyPurgeable(mutableThis);
}
}
void GrGpuResource::setScratchKey(const GrScratchKey& scratchKey) {
SkASSERT(!fScratchKey.isValid());
SkASSERT(scratchKey.isValid());
// Wrapped resources can never have a scratch key.
if (this->isWrapped()) {
return;
}
fScratchKey = scratchKey;
}
void GrGpuResource::removeScratchKey() {
if (!this->wasDestroyed() && fScratchKey.isValid()) {
get_resource_cache(fGpu)->resourceAccess().willRemoveScratchKey(this);
fScratchKey.reset();
}
}
void GrGpuResource::makeBudgeted() {
if (GrGpuResource::kUncached_LifeCycle == fLifeCycle) {
fLifeCycle = kCached_LifeCycle;
get_resource_cache(fGpu)->resourceAccess().didChangeBudgetStatus(this);
}
}
void GrGpuResource::makeUnbudgeted() {
if (GrGpuResource::kCached_LifeCycle == fLifeCycle && !fContentKey.isValid()) {
fLifeCycle = kUncached_LifeCycle;
get_resource_cache(fGpu)->resourceAccess().didChangeBudgetStatus(this);
}
}
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;
}