blob: 9267608ed9051e0c5363c273189711e321ad5a5f [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 "include/core/SkTraceMemoryDump.h"
#include "include/gpu/GrDirectContext.h"
#include "src/gpu/GrDirectContextPriv.h"
#include "src/gpu/GrGpu.h"
#include "src/gpu/GrGpuResource.h"
#include "src/gpu/GrGpuResourcePriv.h"
#include "src/gpu/GrResourceCache.h"
#include <atomic>
static inline GrResourceCache* get_resource_cache(GrGpu* gpu) {
SkASSERT(gpu);
SkASSERT(gpu->getContext());
SkASSERT(gpu->getContext()->priv().getResourceCache());
return gpu->getContext()->priv().getResourceCache();
}
GrGpuResource::GrGpuResource(GrGpu* gpu) : fGpu(gpu), fUniqueID(CreateUniqueID()) {
SkDEBUGCODE(fCacheArrayIndex = -1);
}
void GrGpuResource::registerWithCache(SkBudgeted budgeted) {
SkASSERT(fBudgetedType == GrBudgetedType::kUnbudgetedUncacheable);
fBudgetedType = budgeted == SkBudgeted::kYes ? GrBudgetedType::kBudgeted
: GrBudgetedType::kUnbudgetedUncacheable;
this->computeScratchKey(&fScratchKey);
get_resource_cache(fGpu)->resourceAccess().insertResource(this);
}
void GrGpuResource::registerWithCacheWrapped(GrWrapCacheable wrapType) {
SkASSERT(fBudgetedType == GrBudgetedType::kUnbudgetedUncacheable);
// Resources referencing wrapped objects are never budgeted. They may be cached or uncached.
fBudgetedType = wrapType == GrWrapCacheable::kNo ? GrBudgetedType::kUnbudgetedUncacheable
: GrBudgetedType::kUnbudgetedCacheable;
fRefsWrappedObjects = true;
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 = nullptr;
fGpuMemorySize = 0;
}
void GrGpuResource::abandon() {
if (this->wasDestroyed()) {
return;
}
SkASSERT(fGpu);
this->onAbandon();
get_resource_cache(fGpu)->resourceAccess().removeResource(this);
fGpu = nullptr;
fGpuMemorySize = 0;
}
void GrGpuResource::dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const {
if (this->fRefsWrappedObjects && !traceMemoryDump->shouldDumpWrappedObjects()) {
return;
}
this->dumpMemoryStatisticsPriv(traceMemoryDump, this->getResourceName(),
this->getResourceType(), this->gpuMemorySize());
}
void GrGpuResource::dumpMemoryStatisticsPriv(SkTraceMemoryDump* traceMemoryDump,
const SkString& resourceName,
const char* type, size_t size) const {
const char* tag = "Scratch";
if (fUniqueKey.isValid()) {
tag = (fUniqueKey.tag() != nullptr) ? fUniqueKey.tag() : "Other";
}
traceMemoryDump->dumpNumericValue(resourceName.c_str(), "size", "bytes", size);
traceMemoryDump->dumpStringValue(resourceName.c_str(), "type", type);
traceMemoryDump->dumpStringValue(resourceName.c_str(), "category", tag);
if (this->isPurgeable()) {
traceMemoryDump->dumpNumericValue(resourceName.c_str(), "purgeable_size", "bytes", size);
}
this->setMemoryBacking(traceMemoryDump, resourceName);
}
bool GrGpuResource::isPurgeable() const {
// Resources in the kUnbudgetedCacheable state are never purgeable when they have a unique
// key. The key must be removed/invalidated to make them purgeable.
return !this->hasRef() &&
this->hasNoCommandBufferUsages() &&
!(fBudgetedType == GrBudgetedType::kUnbudgetedCacheable && fUniqueKey.isValid());
}
bool GrGpuResource::hasRef() const { return this->internalHasRef(); }
bool GrGpuResource::hasNoCommandBufferUsages() const {
return this->internalHasNoCommandBufferUsages();
}
SkString GrGpuResource::getResourceName() const {
// Dump resource as "skia/gpu_resources/resource_#".
SkString resourceName("skia/gpu_resources/resource_");
resourceName.appendU32(this->uniqueID().asUInt());
return resourceName;
}
const GrDirectContext* GrGpuResource::getContext() const {
if (fGpu) {
return fGpu->getContext();
} else {
return nullptr;
}
}
GrDirectContext* GrGpuResource::getContext() {
if (fGpu) {
return fGpu->getContext();
} else {
return nullptr;
}
}
void GrGpuResource::removeUniqueKey() {
if (this->wasDestroyed()) {
return;
}
SkASSERT(fUniqueKey.isValid());
get_resource_cache(fGpu)->resourceAccess().removeUniqueKey(this);
}
void GrGpuResource::setUniqueKey(const GrUniqueKey& key) {
SkASSERT(this->internalHasRef());
SkASSERT(key.isValid());
// Uncached resources can never have a unique key, unless they're wrapped resources. Wrapped
// resources are a special case: the unique keys give us a weak ref so that we can reuse the
// same resource (rather than re-wrapping). When a wrapped resource is no longer referenced,
// it will always be released - it is never converted to a scratch resource.
if (this->resourcePriv().budgetedType() != GrBudgetedType::kBudgeted &&
!this->fRefsWrappedObjects) {
return;
}
if (this->wasDestroyed()) {
return;
}
get_resource_cache(fGpu)->resourceAccess().changeUniqueKey(this, key);
}
void GrGpuResource::notifyRefCntWillBeZero() const {
GrGpuResource* mutableThis = const_cast<GrGpuResource*>(this);
mutableThis->willRemoveLastRef();
}
void GrGpuResource::notifyARefCntIsZero(LastRemovedRef removedRef) const {
if (this->wasDestroyed()) {
// We've already been removed from the cache. Goodbye cruel world!
delete this;
return;
}
GrGpuResource* mutableThis = const_cast<GrGpuResource*>(this);
get_resource_cache(fGpu)->resourceAccess().notifyARefCntReachedZero(mutableThis, removedRef);
}
void GrGpuResource::removeScratchKey() {
if (!this->wasDestroyed() && fScratchKey.isValid()) {
get_resource_cache(fGpu)->resourceAccess().willRemoveScratchKey(this);
fScratchKey.reset();
}
}
void GrGpuResource::makeBudgeted() {
// We should never make a wrapped resource budgeted.
SkASSERT(!fRefsWrappedObjects);
// Only wrapped resources can be in the kUnbudgetedCacheable state.
SkASSERT(fBudgetedType != GrBudgetedType::kUnbudgetedCacheable);
if (!this->wasDestroyed() && fBudgetedType == GrBudgetedType::kUnbudgetedUncacheable) {
// Currently resources referencing wrapped objects are not budgeted.
fBudgetedType = GrBudgetedType::kBudgeted;
get_resource_cache(fGpu)->resourceAccess().didChangeBudgetStatus(this);
}
}
void GrGpuResource::makeUnbudgeted() {
if (!this->wasDestroyed() && fBudgetedType == GrBudgetedType::kBudgeted &&
!fUniqueKey.isValid()) {
fBudgetedType = GrBudgetedType::kUnbudgetedUncacheable;
get_resource_cache(fGpu)->resourceAccess().didChangeBudgetStatus(this);
}
}
uint32_t GrGpuResource::CreateUniqueID() {
static std::atomic<uint32_t> nextID{1};
uint32_t id;
do {
id = nextID.fetch_add(1, std::memory_order_relaxed);
} while (id == SK_InvalidUniqueID);
return id;
}
//////////////////////////////////////////////////////////////////////////////
void GrGpuResource::ProxyAccess::ref(GrResourceCache* cache) {
SkASSERT(cache == fResource->getContext()->priv().getResourceCache());
cache->resourceAccess().refResource(fResource);
}