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Chet Haase5c13d892010-10-08 08:37:55 -07001/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
Romain Guy5b3b3522010-10-27 18:57:51 -070017#ifndef ANDROID_HWUI_RESOURCE_CACHE_H
18#define ANDROID_HWUI_RESOURCE_CACHE_H
Chet Haase5c13d892010-10-08 08:37:55 -070019
Romain Guy79537452011-10-12 13:48:51 -070020#include <cutils/compiler.h>
21
Chet Haase5c13d892010-10-08 08:37:55 -070022#include <SkBitmap.h>
Chet Haasead93c2b2010-10-22 16:17:12 -070023#include <SkiaColorFilter.h>
Chet Haase5c13d892010-10-08 08:37:55 -070024#include <SkiaShader.h>
25#include <utils/KeyedVector.h>
Chet Haase603f6de2012-09-14 15:31:25 -070026#include "Layer.h"
Chet Haase5c13d892010-10-08 08:37:55 -070027
28namespace android {
29namespace uirenderer {
30
31/**
32 * Type of Resource being cached
33 */
34enum ResourceType {
35 kBitmap,
Chet Haase5c13d892010-10-08 08:37:55 -070036 kShader,
Chet Haasead93c2b2010-10-22 16:17:12 -070037 kColorFilter,
Chet Haase5a7e8282011-02-04 12:50:55 -080038 kPath,
Chet Haase603f6de2012-09-14 15:31:25 -070039 kLayer
Chet Haase5c13d892010-10-08 08:37:55 -070040};
41
42class ResourceReference {
43public:
44
45 ResourceReference() { refCount = 0; recycled = false; destroyed = false;}
46 ResourceReference(ResourceType type) {
47 refCount = 0; recycled = false; destroyed = false; resourceType = type;
48 }
49
50 int refCount;
51 bool recycled;
52 bool destroyed;
53 ResourceType resourceType;
54};
55
Romain Guy79537452011-10-12 13:48:51 -070056class ANDROID_API ResourceCache {
Chet Haase5c13d892010-10-08 08:37:55 -070057public:
58 ResourceCache();
59 ~ResourceCache();
Romain Guy58ecc202012-09-07 11:58:36 -070060
61 /**
62 * When using these two methods, make sure to only invoke the *Locked()
63 * variants of increment/decrementRefcount(), recyle() and destructor()
64 */
65 void lock();
66 void unlock();
67
Chet Haase5a7e8282011-02-04 12:50:55 -080068 void incrementRefcount(SkPath* resource);
Chet Haase5c13d892010-10-08 08:37:55 -070069 void incrementRefcount(SkBitmap* resource);
Chet Haase5c13d892010-10-08 08:37:55 -070070 void incrementRefcount(SkiaShader* resource);
Chet Haasead93c2b2010-10-22 16:17:12 -070071 void incrementRefcount(SkiaColorFilter* resource);
Chet Haase603f6de2012-09-14 15:31:25 -070072 void incrementRefcount(Layer* resource);
Romain Guy58ecc202012-09-07 11:58:36 -070073
74 void incrementRefcountLocked(SkPath* resource);
75 void incrementRefcountLocked(SkBitmap* resource);
76 void incrementRefcountLocked(SkiaShader* resource);
77 void incrementRefcountLocked(SkiaColorFilter* resource);
Chet Haase603f6de2012-09-14 15:31:25 -070078 void incrementRefcountLocked(Layer* resource);
Romain Guy58ecc202012-09-07 11:58:36 -070079
Chet Haase5c13d892010-10-08 08:37:55 -070080 void decrementRefcount(SkBitmap* resource);
Chet Haase5a7e8282011-02-04 12:50:55 -080081 void decrementRefcount(SkPath* resource);
Chet Haase5c13d892010-10-08 08:37:55 -070082 void decrementRefcount(SkiaShader* resource);
Chet Haasead93c2b2010-10-22 16:17:12 -070083 void decrementRefcount(SkiaColorFilter* resource);
Chet Haase603f6de2012-09-14 15:31:25 -070084 void decrementRefcount(Layer* resource);
Romain Guy58ecc202012-09-07 11:58:36 -070085
86 void decrementRefcountLocked(SkBitmap* resource);
87 void decrementRefcountLocked(SkPath* resource);
88 void decrementRefcountLocked(SkiaShader* resource);
89 void decrementRefcountLocked(SkiaColorFilter* resource);
Chet Haase603f6de2012-09-14 15:31:25 -070090 void decrementRefcountLocked(Layer* resource);
Romain Guy58ecc202012-09-07 11:58:36 -070091
Chet Haase5a7e8282011-02-04 12:50:55 -080092 void destructor(SkPath* resource);
Chet Haase5c13d892010-10-08 08:37:55 -070093 void destructor(SkBitmap* resource);
Chet Haase5c13d892010-10-08 08:37:55 -070094 void destructor(SkiaShader* resource);
Chet Haasead93c2b2010-10-22 16:17:12 -070095 void destructor(SkiaColorFilter* resource);
Romain Guy58ecc202012-09-07 11:58:36 -070096
97 void destructorLocked(SkPath* resource);
98 void destructorLocked(SkBitmap* resource);
99 void destructorLocked(SkiaShader* resource);
100 void destructorLocked(SkiaColorFilter* resource);
101
Chet Haase547e6652012-10-22 15:07:26 -0700102 bool recycle(SkBitmap* resource);
103 bool recycleLocked(SkBitmap* resource);
Romain Guy58ecc202012-09-07 11:58:36 -0700104
Chet Haase5c13d892010-10-08 08:37:55 -0700105private:
Romain Guy97dc9172012-09-23 17:46:45 -0700106 void deleteResourceReferenceLocked(void* resource, ResourceReference* ref);
Romain Guy58ecc202012-09-07 11:58:36 -0700107
Chet Haase5c13d892010-10-08 08:37:55 -0700108 void incrementRefcount(void* resource, ResourceType resourceType);
Romain Guy58ecc202012-09-07 11:58:36 -0700109 void incrementRefcountLocked(void* resource, ResourceType resourceType);
110
111 void decrementRefcount(void* resource);
112 void decrementRefcountLocked(void* resource);
113
Chet Haase5c13d892010-10-08 08:37:55 -0700114 void logCache();
Chet Haasee7d22952010-11-11 16:30:16 -0800115
116 /**
117 * Used to increment, decrement, and destroy. Incrementing is generally accessed on the UI
118 * thread, but destroying resources may be called from the GC thread, the finalizer thread,
119 * or a reference queue finalization thread.
120 */
121 mutable Mutex mLock;
Romain Guy58ecc202012-09-07 11:58:36 -0700122
123 KeyedVector<void*, ResourceReference*>* mCache;
Chet Haase5c13d892010-10-08 08:37:55 -0700124};
125
126}; // namespace uirenderer
127}; // namespace android
128
Romain Guy5b3b3522010-10-27 18:57:51 -0700129#endif // ANDROID_HWUI_RESOURCE_CACHE_H