#ifndef GrResourceCache_DEFINED
#define GrResourceCache_DEFINED
-#include "GrConfig.h"
-#include "GrTypes.h"
+#include "GrResourceKey.h"
#include "SkTMultiMap.h"
-#include "GrBinHashKey.h"
#include "SkMessageBus.h"
#include "SkTInternalLList.h"
class GrResourceCache;
class GrResourceCacheEntry;
-class GrResourceKey {
-public:
- static GrCacheID::Domain ScratchDomain() {
- static const GrCacheID::Domain gDomain = GrCacheID::GenerateDomain();
- return gDomain;
- }
-
- /** Uniquely identifies the GrGpuResource subclass in the key to avoid collisions
- across resource types. */
- typedef uint8_t ResourceType;
-
- /** Flags set by the GrGpuResource subclass. */
- typedef uint8_t ResourceFlags;
-
- /** Generate a unique ResourceType */
- static ResourceType GenerateResourceType();
-
- /** Creates a key for resource */
- GrResourceKey(const GrCacheID& id, ResourceType type, ResourceFlags flags) {
- this->init(id.getDomain(), id.getKey(), type, flags);
- };
-
- GrResourceKey(const GrResourceKey& src) {
- fKey = src.fKey;
- }
-
- GrResourceKey() {
- fKey.reset();
- }
-
- void reset(const GrCacheID& id, ResourceType type, ResourceFlags flags) {
- this->init(id.getDomain(), id.getKey(), type, flags);
- }
-
- uint32_t getHash() const {
- return fKey.getHash();
- }
-
- bool isScratch() const {
- return ScratchDomain() ==
- *reinterpret_cast<const GrCacheID::Domain*>(fKey.getData() +
- kCacheIDDomainOffset);
- }
-
- ResourceType getResourceType() const {
- return *reinterpret_cast<const ResourceType*>(fKey.getData() +
- kResourceTypeOffset);
- }
-
- ResourceFlags getResourceFlags() const {
- return *reinterpret_cast<const ResourceFlags*>(fKey.getData() +
- kResourceFlagsOffset);
- }
-
- bool operator==(const GrResourceKey& other) const { return fKey == other.fKey; }
-
-private:
- enum {
- kCacheIDKeyOffset = 0,
- kCacheIDDomainOffset = kCacheIDKeyOffset + sizeof(GrCacheID::Key),
- kResourceTypeOffset = kCacheIDDomainOffset + sizeof(GrCacheID::Domain),
- kResourceFlagsOffset = kResourceTypeOffset + sizeof(ResourceType),
- kPadOffset = kResourceFlagsOffset + sizeof(ResourceFlags),
- kKeySize = SkAlign4(kPadOffset),
- kPadSize = kKeySize - kPadOffset
- };
-
- void init(const GrCacheID::Domain domain,
- const GrCacheID::Key& key,
- ResourceType type,
- ResourceFlags flags) {
- union {
- uint8_t fKey8[kKeySize];
- uint32_t fKey32[kKeySize / 4];
- } keyData;
-
- uint8_t* k = keyData.fKey8;
- memcpy(k + kCacheIDKeyOffset, key.fData8, sizeof(GrCacheID::Key));
- memcpy(k + kCacheIDDomainOffset, &domain, sizeof(GrCacheID::Domain));
- memcpy(k + kResourceTypeOffset, &type, sizeof(ResourceType));
- memcpy(k + kResourceFlagsOffset, &flags, sizeof(ResourceFlags));
- memset(k + kPadOffset, 0, kPadSize);
- fKey.setKeyData(keyData.fKey32);
- }
- GrBinHashKey<kKeySize> fKey;
-};
// The cache listens for these messages to purge junk resources proactively.
struct GrResourceInvalidatedMessage {
SK_DECLARE_INTERNAL_LLIST_INTERFACE(GrResourceCacheEntry);
friend class GrResourceCache;
+ friend class GrContext;
};
///////////////////////////////////////////////////////////////////////////////
* Determines if the cache contains an entry matching a key. If a matching
* entry exists but was detached then it will not be found.
*/
- bool hasKey(const GrResourceKey& key) const { return NULL != fCache.find(key); }
+ bool hasKey(const GrResourceKey& key) const { return SkToBool(fCache.find(key)); }
/**
* Hide 'entry' so that future searches will not find it. Such