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
|
/*
* Copyright (C) 2014 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 RENDERSTATE_H
#define RENDERSTATE_H
#include "utils/Macros.h"
#include <utils/RefBase.h>
#include <set>
namespace android {
namespace uirenderer {
class Layer;
namespace renderthread {
class CacheManager;
class RenderThread;
}
class IGpuContextCallback {
public:
virtual void onContextDestroyed() = 0;
protected:
virtual ~IGpuContextCallback() {}
};
// wrapper of Caches for users to migrate to.
class RenderState {
PREVENT_COPY_AND_ASSIGN(RenderState);
friend class renderthread::RenderThread;
friend class renderthread::CacheManager;
public:
void registerContextCallback(IGpuContextCallback* cb) { mContextCallbacks.insert(cb); }
void removeContextCallback(IGpuContextCallback* cb) { mContextCallbacks.erase(cb); }
void registerLayer(Layer* layer) { mActiveLayers.insert(layer); }
void unregisterLayer(Layer* layer) { mActiveLayers.erase(layer); }
// TODO: This system is a little clunky feeling, this could use some
// more thinking...
void postDecStrong(VirtualLightRefBase* object);
renderthread::RenderThread& getRenderThread() const { return mRenderThread; }
private:
explicit RenderState(renderthread::RenderThread& thread);
~RenderState() {}
// Context notifications are only to be triggered by renderthread::RenderThread
void onContextDestroyed();
std::set<IGpuContextCallback*> mContextCallbacks;
std::set<Layer*> mActiveLayers;
renderthread::RenderThread& mRenderThread;
pthread_t mThreadId;
};
} /* namespace uirenderer */
} /* namespace android */
#endif /* RENDERSTATE_H */
|
