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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrResourceCache2_DEFINED
#define GrResourceCache2_DEFINED
#include "GrGpuResource.h"
#include "GrResourceKey.h"
#include "SkTInternalLList.h"
#include "SkTMultiMap.h"
/**
* Eventual replacement for GrResourceCache. Currently it simply holds a list
* of all GrGpuResource objects for a GrContext. It is used to invalidate all
* the resources when necessary.
*/
class GrResourceCache2 {
public:
GrResourceCache2() : fCount(0) {};
~GrResourceCache2();
void insertResource(GrGpuResource*);
void removeResource(GrGpuResource*);
void abandonAll();
void releaseAll();
GrGpuResource* findAndRefScratchResource(const GrResourceKey& scratchKey);
private:
#ifdef SK_DEBUG
bool isInCache(const GrGpuResource* r) const {
return fResources.isInList(r);
}
#endif
class AvailableForScratchUse;
struct ScratchMapTraits {
static const GrResourceKey& GetKey(const GrGpuResource& r) {
return r.getScratchKey();
}
static uint32_t Hash(const GrResourceKey& key) { return key.getHash(); }
};
typedef SkTMultiMap<GrGpuResource, GrResourceKey, ScratchMapTraits> ScratchMap;
int fCount;
SkTInternalLList<GrGpuResource> fResources;
// This map holds all resources that can be used as scratch resources.
ScratchMap fScratchMap;
};
#endif
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