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d42e7319 JB |
1 | /* |
2 | * Copyright (C) 2013 libhybris | |
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 | ||
17 | #ifndef FBDEV_WINDOW_H | |
18 | #define FBDEV_WINDOW_H | |
19 | ||
20 | #include "nativewindowbase.h" | |
21 | #include <linux/fb.h> | |
22 | #include <android/hardware/gralloc.h> | |
23 | ||
24 | #include <list> | |
25 | ||
26 | ||
27 | class FbDevNativeWindowBuffer : public BaseNativeWindowBuffer { | |
28 | friend class FbDevNativeWindow; | |
29 | ||
30 | protected: | |
31 | FbDevNativeWindowBuffer(alloc_device_t* alloc, | |
32 | unsigned int width, | |
33 | unsigned int height, | |
34 | unsigned int format, | |
35 | unsigned int usage) ; | |
36 | virtual ~FbDevNativeWindowBuffer() ; | |
37 | ||
38 | protected: | |
39 | int busy; | |
40 | int status; | |
41 | alloc_device_t* m_alloc; | |
42 | }; | |
43 | ||
44 | ||
45 | class FbDevNativeWindow : public BaseNativeWindow { | |
46 | public: | |
47 | FbDevNativeWindow(gralloc_module_t* gralloc, alloc_device_t* alloc, | |
48 | framebuffer_device_t* fbDev); | |
49 | ~FbDevNativeWindow(); | |
50 | ||
51 | protected: | |
52 | // overloads from BaseNativeWindow | |
53 | virtual int setSwapInterval(int interval); | |
54 | ||
55 | virtual int dequeueBuffer(BaseNativeWindowBuffer** buffer, int* fenceFd); | |
56 | virtual int queueBuffer(BaseNativeWindowBuffer* buffer, int fenceFd); | |
57 | virtual int cancelBuffer(BaseNativeWindowBuffer* buffer, int fenceFd); | |
58 | virtual int lockBuffer(BaseNativeWindowBuffer* buffer); | |
59 | ||
60 | virtual unsigned int type() const; | |
61 | virtual unsigned int width() const; | |
62 | virtual unsigned int height() const; | |
63 | virtual unsigned int format() const; | |
64 | virtual unsigned int defaultWidth() const; | |
65 | virtual unsigned int defaultHeight() const; | |
66 | virtual unsigned int queueLength() const; | |
67 | virtual unsigned int transformHint() const; | |
68 | // perform calls | |
69 | virtual int setUsage(int usage); | |
70 | virtual int setBuffersFormat(int format); | |
71 | virtual int setBuffersDimensions(int width, int height); | |
72 | virtual int setBufferCount(int cnt); | |
73 | ||
74 | private: | |
75 | void destroyBuffers(); | |
76 | ||
77 | private: | |
78 | framebuffer_device_t* m_fbDev; | |
79 | alloc_device_t* m_alloc; | |
80 | unsigned int m_usage; | |
81 | unsigned int m_bufFormat; | |
82 | int m_freeBufs; | |
83 | std::list<FbDevNativeWindowBuffer*> m_bufList; | |
84 | FbDevNativeWindowBuffer* m_frontBuf; | |
85 | }; | |
86 | ||
87 | #endif | |
88 | // vim: noai:ts=4:sw=4:ss=4:expandtab |