1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_HWUI_RESOURCE_CACHE_H
#define ANDROID_HWUI_RESOURCE_CACHE_H
#include <cutils/compiler.h>
#include <SkBitmap.h>
#include <SkiaColorFilter.h>
#include <SkiaShader.h>
#include <utils/KeyedVector.h>
#include <androidfw/ResourceTypes.h>
#include "Layer.h"
namespace android {
namespace uirenderer {
/**
* Type of Resource being cached
*/
enum ResourceType {
kBitmap,
kShader,
kColorFilter,
kNinePatch,
kPath,
kLayer
};
class ResourceReference {
public:
ResourceReference() { refCount = 0; recycled = false; destroyed = false;}
ResourceReference(ResourceType type) {
refCount = 0; recycled = false; destroyed = false; resourceType = type;
}
int refCount;
bool recycled;
bool destroyed;
ResourceType resourceType;
};
class ANDROID_API ResourceCache {
public:
ResourceCache();
~ResourceCache();
/**
* When using these two methods, make sure to only invoke the *Locked()
* variants of increment/decrementRefcount(), recyle() and destructor()
*/
void lock();
void unlock();
void incrementRefcount(SkPath* resource);
void incrementRefcount(SkBitmap* resource);
void incrementRefcount(SkiaShader* resource);
void incrementRefcount(SkiaColorFilter* resource);
void incrementRefcount(Res_png_9patch* resource);
void incrementRefcount(Layer* resource);
void incrementRefcountLocked(SkPath* resource);
void incrementRefcountLocked(SkBitmap* resource);
void incrementRefcountLocked(SkiaShader* resource);
void incrementRefcountLocked(SkiaColorFilter* resource);
void incrementRefcountLocked(Res_png_9patch* resource);
void incrementRefcountLocked(Layer* resource);
void decrementRefcount(SkBitmap* resource);
void decrementRefcount(SkPath* resource);
void decrementRefcount(SkiaShader* resource);
void decrementRefcount(SkiaColorFilter* resource);
void decrementRefcount(Res_png_9patch* resource);
void decrementRefcount(Layer* resource);
void decrementRefcountLocked(SkBitmap* resource);
void decrementRefcountLocked(SkPath* resource);
void decrementRefcountLocked(SkiaShader* resource);
void decrementRefcountLocked(SkiaColorFilter* resource);
void decrementRefcountLocked(Res_png_9patch* resource);
void decrementRefcountLocked(Layer* resource);
void destructor(SkPath* resource);
void destructor(SkBitmap* resource);
void destructor(SkiaShader* resource);
void destructor(SkiaColorFilter* resource);
void destructor(Res_png_9patch* resource);
void destructorLocked(SkPath* resource);
void destructorLocked(SkBitmap* resource);
void destructorLocked(SkiaShader* resource);
void destructorLocked(SkiaColorFilter* resource);
void destructorLocked(Res_png_9patch* resource);
bool recycle(SkBitmap* resource);
bool recycleLocked(SkBitmap* resource);
private:
void deleteResourceReferenceLocked(void* resource, ResourceReference* ref);
void incrementRefcount(void* resource, ResourceType resourceType);
void incrementRefcountLocked(void* resource, ResourceType resourceType);
void decrementRefcount(void* resource);
void decrementRefcountLocked(void* resource);
void logCache();
/**
* Used to increment, decrement, and destroy. Incrementing is generally accessed on the UI
* thread, but destroying resources may be called from the GC thread, the finalizer thread,
* or a reference queue finalization thread.
*/
mutable Mutex mLock;
KeyedVector<void*, ResourceReference*>* mCache;
};
}; // namespace uirenderer
}; // namespace android
#endif // ANDROID_HWUI_RESOURCE_CACHE_H
|
