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gerrit-public.fairphone.software / platform / external / skia / 09a5383adc59c3798f6f6e851f46320393b6c4b8 / . / include / lazy / SkPurgeableImageCache.h
blob: 24525b0e505e047d6594d9198fe3819263cf10dd [file] [log] [blame]
scroggo@google.combb281f72013-03-18 21:37:39 +0000[diff] [blame]1/*
2 * Copyright 2013 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef SkPurgeableImageCache_DEFINED
9#define SkPurgeableImageCache_DEFINED
10
11#include "SkImageCache.h"
12
13#ifdef SK_DEBUG
14 #include "SkTDArray.h"
15#endif
16
17/**
18 * Implementation for SkImageCache that uses system defined purgeable memory.
19 */
20class SkPurgeableImageCache : public SkImageCache {
21
22public:
commit-bot@chromium.orgef284a82013-07-11 22:29:29 +0000[diff] [blame]23 SK_DECLARE_INST_COUNT(SkPurgeableImageCache)
24
scroggo@google.combb281f72013-03-18 21:37:39 +0000[diff] [blame]25 static SkImageCache* Create();
26
reed@google.com6e8b7dd2013-07-09 21:31:54 +0000[diff] [blame]27 virtual void* allocAndPinCache(size_t bytes, ID*) SK_OVERRIDE;
28 virtual void* pinCache(ID, SkImageCache::DataStatus*) SK_OVERRIDE;
29 virtual void releaseCache(ID) SK_OVERRIDE;
30 virtual void throwAwayCache(ID) SK_OVERRIDE;
scroggo@google.combb281f72013-03-18 21:37:39 +0000[diff] [blame]31
32#ifdef SK_DEBUG
reed@google.com6e8b7dd2013-07-09 21:31:54 +0000[diff] [blame]33 virtual MemoryStatus getMemoryStatus(ID) const SK_OVERRIDE;
scroggo@google.combb281f72013-03-18 21:37:39 +0000[diff] [blame]34 virtual void purgeAllUnpinnedCaches() SK_OVERRIDE;
35 virtual ~SkPurgeableImageCache();
36#endif
37
38private:
39 SkPurgeableImageCache();
40
41#ifdef SK_DEBUG
reed@google.com6e8b7dd2013-07-09 21:31:54 +0000[diff] [blame]42 SkTDArray<ID> fRecs;
43 int findRec(ID) const;
scroggo@google.combb281f72013-03-18 21:37:39 +0000[diff] [blame]44#endif
reed@google.com6e8b7dd2013-07-09 21:31:54 +0000[diff] [blame]45 void removeRec(ID);
scroggo@google.combb281f72013-03-18 21:37:39 +0000[diff] [blame]46};
47#endif // SkPurgeableImageCache_DEFINED