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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();
}
GrGpuResource::GrGpuResource(GrGpu* gpu, bool isWrapped)
: fScratchKey(GrResourceKey::NullScratchKey())
, fGpu(gpu)
, fGpuMemorySize(kInvalidGpuMemorySize)
, fUniqueID(CreateUniqueID()) {
if (isWrapped) {
fFlags = kWrapped_Flag;
} else {
// By default all non-wrapped resources are budgeted.
fFlags = kBudgeted_Flag;
}
}
void GrGpuResource::registerWithCache() {
get_resource_cache2(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_cache2(fGpu)->resourceAccess().removeResource(this);
fGpu = NULL;
fGpuMemorySize = 0;
}
void GrGpuResource::abandon() {
SkASSERT(fGpu);
this->onAbandon();
get_resource_cache2(fGpu)->resourceAccess().removeResource(this);
fGpu = NULL;
fGpuMemorySize = 0;
}
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_cache2(fGpu)->resourceAccess().didChangeGpuMemorySize(this, oldSize);
}
bool GrGpuResource::setContentKey(const GrResourceKey& contentKey) {
// Currently this can only be called once and can't be called when the resource is scratch.
SkASSERT(!contentKey.isScratch());
SkASSERT(this->internalHasRef());
// Wrapped resources can never have a key.
if (this->isWrapped()) {
return false;
}
if ((fFlags & kContentKeySet_Flag) || this->wasDestroyed()) {
return false;
}
fContentKey = contentKey;
fFlags |= kContentKeySet_Flag;
if (!get_resource_cache2(fGpu)->resourceAccess().didSetContentKey(this)) {
fFlags &= ~kContentKeySet_Flag;
return false;
}
return true;
}
void GrGpuResource::notifyIsPurgable() 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_cache2(fGpu)->resourceAccess().notifyPurgable(mutableThis);
}
}
void GrGpuResource::setScratchKey(const GrResourceKey& scratchKey) {
SkASSERT(fScratchKey.isNullScratch());
SkASSERT(scratchKey.isScratch());
SkASSERT(!scratchKey.isNullScratch());
// Wrapped resources can never have a key.
if (this->isWrapped()) {
return;
}
fScratchKey = scratchKey;
}
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;
}
void GrGpuResource::setBudgeted(bool countsAgainstBudget) {
// Wrapped resources never count against the budget, nothing to do. No point in changing the
// budgeting of destroyed resources.
if (this->isWrapped() || this->wasDestroyed()) {
return;
}
uint32_t oldFlags = fFlags;
if (countsAgainstBudget) {
fFlags |= kBudgeted_Flag;
} else {
fFlags &= ~kBudgeted_Flag;
}
if (fFlags != oldFlags) {
get_resource_cache2(fGpu)->resourceAccess().didChangeBudgetStatus(this);
}
}
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