#include "GrResourceCache.h"
-#include "GrResource.h"
+#include "GrCacheable.h"
DECLARE_SKMESSAGEBUS_MESSAGE(GrResourceInvalidatedMessage);
+///////////////////////////////////////////////////////////////////////////////
+
+void GrCacheable::didChangeGpuMemorySize() const {
+ if (this->isInCache()) {
+ fCacheEntry->didChangeResourceSize();
+ }
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
GrResourceKey::ResourceType GrResourceKey::GenerateResourceType() {
static int32_t gNextType = 0;
int32_t type = sk_atomic_inc(&gNextType);
if (type >= (1 << 8 * sizeof(ResourceType))) {
- GrCrash("Too many Resource Types");
+ SkFAIL("Too many Resource Types");
}
return static_cast<ResourceType>(type);
///////////////////////////////////////////////////////////////////////////////
-GrResourceEntry::GrResourceEntry(const GrResourceKey& key, GrResource* resource)
- : fKey(key), fResource(resource) {
+GrResourceCacheEntry::GrResourceCacheEntry(GrResourceCache* resourceCache,
+ const GrResourceKey& key,
+ GrCacheable* resource)
+ : fResourceCache(resourceCache),
+ fKey(key),
+ fResource(resource),
+ fCachedSize(resource->gpuMemorySize()),
+ fIsExclusive(false) {
// we assume ownership of the resource, and will unref it when we die
SkASSERT(resource);
resource->ref();
}
-GrResourceEntry::~GrResourceEntry() {
+GrResourceCacheEntry::~GrResourceCacheEntry() {
fResource->setCacheEntry(NULL);
fResource->unref();
}
#ifdef SK_DEBUG
-void GrResourceEntry::validate() const {
+void GrResourceCacheEntry::validate() const {
+ SkASSERT(fResourceCache);
SkASSERT(fResource);
SkASSERT(fResource->getCacheEntry() == this);
+ SkASSERT(fResource->gpuMemorySize() == fCachedSize);
fResource->validate();
}
#endif
+void GrResourceCacheEntry::didChangeResourceSize() {
+ size_t oldSize = fCachedSize;
+ fCachedSize = fResource->gpuMemorySize();
+ if (fCachedSize > oldSize) {
+ fResourceCache->didIncreaseResourceSize(this, fCachedSize - oldSize);
+ } else if (fCachedSize < oldSize) {
+ fResourceCache->didDecreaseResourceSize(this, oldSize - fCachedSize);
+ }
+}
+
///////////////////////////////////////////////////////////////////////////////
GrResourceCache::GrResourceCache(int maxCount, size_t maxBytes) :
EntryList::Iter iter;
// Unlike the removeAll, here we really remove everything, including locked resources.
- while (GrResourceEntry* entry = fList.head()) {
+ while (GrResourceCacheEntry* entry = fList.head()) {
GrAutoResourceCacheValidate atcv(this);
// remove from our cache
}
}
-void GrResourceCache::internalDetach(GrResourceEntry* entry,
+void GrResourceCache::internalDetach(GrResourceCacheEntry* entry,
BudgetBehaviors behavior) {
fList.remove(entry);
// update our stats
if (kIgnore_BudgetBehavior == behavior) {
fClientDetachedCount += 1;
- fClientDetachedBytes += entry->resource()->sizeInBytes();
+ fClientDetachedBytes += entry->fCachedSize;
#if GR_CACHE_STATS
if (fHighWaterClientDetachedCount < fClientDetachedCount) {
SkASSERT(kAccountFor_BudgetBehavior == behavior);
fEntryCount -= 1;
- fEntryBytes -= entry->resource()->sizeInBytes();
+ fEntryBytes -= entry->fCachedSize;
}
}
-void GrResourceCache::attachToHead(GrResourceEntry* entry,
+void GrResourceCache::attachToHead(GrResourceCacheEntry* entry,
BudgetBehaviors behavior) {
fList.addToHead(entry);
// update our stats
if (kIgnore_BudgetBehavior == behavior) {
fClientDetachedCount -= 1;
- fClientDetachedBytes -= entry->resource()->sizeInBytes();
+ fClientDetachedBytes -= entry->fCachedSize;
} else {
SkASSERT(kAccountFor_BudgetBehavior == behavior);
fEntryCount += 1;
- fEntryBytes += entry->resource()->sizeInBytes();
+ fEntryBytes += entry->fCachedSize;
#if GR_CACHE_STATS
if (fHighWaterEntryCount < fEntryCount) {
// is relying on the texture.
class GrTFindUnreffedFunctor {
public:
- bool operator()(const GrResourceEntry* entry) const {
+ bool operator()(const GrResourceCacheEntry* entry) const {
return entry->resource()->unique();
}
};
-GrResource* GrResourceCache::find(const GrResourceKey& key, uint32_t ownershipFlags) {
+GrCacheable* GrResourceCache::find(const GrResourceKey& key, uint32_t ownershipFlags) {
GrAutoResourceCacheValidate atcv(this);
- GrResourceEntry* entry = NULL;
+ GrResourceCacheEntry* entry = NULL;
if (ownershipFlags & kNoOtherOwners_OwnershipFlag) {
GrTFindUnreffedFunctor functor;
}
void GrResourceCache::addResource(const GrResourceKey& key,
- GrResource* resource,
+ GrCacheable* resource,
uint32_t ownershipFlags) {
SkASSERT(NULL == resource->getCacheEntry());
// we don't expect to create new resources during a purge. In theory
SkASSERT(!fPurging);
GrAutoResourceCacheValidate atcv(this);
- GrResourceEntry* entry = SkNEW_ARGS(GrResourceEntry, (key, resource));
+ GrResourceCacheEntry* entry = SkNEW_ARGS(GrResourceCacheEntry, (this, key, resource));
resource->setCacheEntry(entry);
this->attachToHead(entry);
}
-void GrResourceCache::makeExclusive(GrResourceEntry* entry) {
+void GrResourceCache::makeExclusive(GrResourceCacheEntry* entry) {
GrAutoResourceCacheValidate atcv(this);
+ SkASSERT(!entry->fIsExclusive);
+ entry->fIsExclusive = true;
+
// When scratch textures are detached (to hide them from future finds) they
// still count against the resource budget
this->internalDetach(entry, kIgnore_BudgetBehavior);
#endif
}
-void GrResourceCache::removeInvalidResource(GrResourceEntry* entry) {
+void GrResourceCache::removeInvalidResource(GrResourceCacheEntry* entry) {
// If the resource went invalid while it was detached then purge it
// This can happen when a 3D context was lost,
// the client called GrContext::contextDestroyed() to notify Gr,
// and then later an SkGpuDevice's destructor releases its backing
// texture (which was invalidated at contextDestroyed time).
+ // TODO: Safely delete the GrResourceCacheEntry as well.
fClientDetachedCount -= 1;
fEntryCount -= 1;
- size_t size = entry->resource()->sizeInBytes();
- fClientDetachedBytes -= size;
- fEntryBytes -= size;
+ fClientDetachedBytes -= entry->fCachedSize;
+ fEntryBytes -= entry->fCachedSize;
+ entry->fCachedSize = 0;
}
-void GrResourceCache::makeNonExclusive(GrResourceEntry* entry) {
+void GrResourceCache::makeNonExclusive(GrResourceCacheEntry* entry) {
GrAutoResourceCacheValidate atcv(this);
#ifdef SK_DEBUG
fExclusiveList.remove(entry);
#endif
- if (entry->resource()->isValid()) {
+ if (entry->resource()->isValidOnGpu()) {
// Since scratch textures still count against the cache budget even
// when they have been removed from the cache, re-adding them doesn't
// alter the budget information.
attachToHead(entry, kIgnore_BudgetBehavior);
fCache.insert(entry->key(), entry);
+
+ SkASSERT(entry->fIsExclusive);
+ entry->fIsExclusive = false;
} else {
this->removeInvalidResource(entry);
}
}
+void GrResourceCache::didIncreaseResourceSize(const GrResourceCacheEntry* entry, size_t amountInc) {
+ fEntryBytes += amountInc;
+ if (entry->fIsExclusive) {
+ fClientDetachedBytes += amountInc;
+ }
+ this->purgeAsNeeded();
+}
+
+void GrResourceCache::didDecreaseResourceSize(const GrResourceCacheEntry* entry, size_t amountDec) {
+ fEntryBytes -= amountDec;
+ if (entry->fIsExclusive) {
+ fClientDetachedBytes -= amountDec;
+ }
+#ifdef SK_DEBUG
+ this->validate();
+#endif
+}
+
/**
* Destroying a resource may potentially trigger the unlock of additional
* resources which in turn will trigger a nested purge. We block the nested
//
// This is complicated and confusing. May try this in the future. For
// now, these resources are just LRU'd as if we never got the message.
- while (GrResourceEntry* entry = fCache.find(invalidated[i].key, GrTFindUnreffedFunctor())) {
+ while (GrResourceCacheEntry* entry = fCache.find(invalidated[i].key, GrTFindUnreffedFunctor())) {
this->deleteResource(entry);
}
}
}
-void GrResourceCache::deleteResource(GrResourceEntry* entry) {
+void GrResourceCache::deleteResource(GrResourceCacheEntry* entry) {
SkASSERT(1 == entry->fResource->getRefCnt());
// remove from our cache
// doubly linked list doesn't invalidate its data/pointers
// outside of the specific area where a deletion occurs (e.g.,
// in internalDetach)
- GrResourceEntry* entry = iter.init(fList, EntryList::Iter::kTail_IterStart);
+ GrResourceCacheEntry* entry = iter.init(fList, EntryList::Iter::kTail_IterStart);
while (NULL != entry) {
GrAutoResourceCacheValidate atcv(this);
break;
}
- GrResourceEntry* prev = iter.prev();
+ GrResourceCacheEntry* prev = iter.prev();
if (entry->fResource->unique()) {
changed = true;
this->deleteResource(entry);
void GrResourceCache::purgeAllUnlocked() {
GrAutoResourceCacheValidate atcv(this);
- // we can have one GrResource holding a lock on another
+ // we can have one GrCacheable holding a lock on another
// so we don't want to just do a simple loop kicking each
// entry out. Instead change the budget and purge.
EntryList::Iter iter;
- const GrResourceEntry* entry = iter.init(const_cast<EntryList&>(list),
- EntryList::Iter::kTail_IterStart);
+ const GrResourceCacheEntry* entry = iter.init(const_cast<EntryList&>(list),
+ EntryList::Iter::kTail_IterStart);
for ( ; NULL != entry; entry = iter.prev()) {
- bytes += entry->resource()->sizeInBytes();
+ bytes += entry->resource()->gpuMemorySize();
}
return bytes;
}
EntryList::Iter iter;
// check that the exclusively held entries are okay
- const GrResourceEntry* entry = iter.init(const_cast<EntryList&>(fExclusiveList),
- EntryList::Iter::kHead_IterStart);
+ const GrResourceCacheEntry* entry = iter.init(const_cast<EntryList&>(fExclusiveList),
+ EntryList::Iter::kHead_IterStart);
for ( ; NULL != entry; entry = iter.next()) {
entry->validate();
EntryList::Iter iter;
- GrResourceEntry* entry = iter.init(fList, EntryList::Iter::kTail_IterStart);
+ GrResourceCacheEntry* entry = iter.init(fList, EntryList::Iter::kTail_IterStart);
for ( ; NULL != entry; entry = iter.prev()) {
if (entry->fResource->getRefCnt() > 1) {
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