| 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 HWComposerNativeWindowBuffer : public BaseNativeWindowBuffer { |
| 28 | friend class HWComposerNativeWindow; |
| 29 | |
| 30 | protected: |
| 31 | HWComposerNativeWindowBuffer(alloc_device_t* alloc, |
| 32 | unsigned int width, |
| 33 | unsigned int height, |
| 34 | unsigned int format, |
| 35 | unsigned int usage) ; |
| 36 | virtual ~HWComposerNativeWindowBuffer() ; |
| 37 | |
| 38 | protected: |
| 39 | int busy; |
| 40 | int fenceFd; |
| 41 | int status; |
| 42 | alloc_device_t* m_alloc; |
| 43 | }; |
| 44 | |
| 45 | |
| 46 | class HWComposerNativeWindow : public BaseNativeWindow { |
| 47 | public: |
| 48 | HWComposerNativeWindow(unsigned int width, unsigned int height, unsigned int format); |
| 49 | ~HWComposerNativeWindow(); |
| 50 | void setup(gralloc_module_t* gralloc, alloc_device_t* alloc); |
| 51 | |
| 52 | |
| 53 | void lockFrontBuffer(HWComposerNativeWindowBuffer **buffer); |
| 54 | void unlockFrontBuffer(HWComposerNativeWindowBuffer *buffer); |
| 55 | |
| 56 | protected: |
| 57 | // overloads from BaseNativeWindow |
| 58 | virtual int setSwapInterval(int interval); |
| 59 | |
| 60 | virtual int dequeueBuffer(BaseNativeWindowBuffer** buffer, int* fenceFd); |
| 61 | virtual int queueBuffer(BaseNativeWindowBuffer* buffer, int fenceFd); |
| 62 | virtual int cancelBuffer(BaseNativeWindowBuffer* buffer, int fenceFd); |
| 63 | virtual int lockBuffer(BaseNativeWindowBuffer* buffer); |
| 64 | |
| 65 | virtual unsigned int type() const; |
| 66 | virtual unsigned int width() const; |
| 67 | virtual unsigned int height() const; |
| 68 | virtual unsigned int format() const; |
| 69 | virtual unsigned int defaultWidth() const; |
| 70 | virtual unsigned int defaultHeight() const; |
| 71 | virtual unsigned int queueLength() const; |
| 72 | virtual unsigned int transformHint() const; |
| 73 | // perform calls |
| 74 | virtual int setUsage(int usage); |
| 75 | virtual int setBuffersFormat(int format); |
| 76 | virtual int setBuffersDimensions(int width, int height); |
| 77 | virtual int setBufferCount(int cnt); |
| 78 | |
| 79 | private: |
| 80 | void destroyBuffers(); |
| 81 | |
| 82 | private: |
| 83 | framebuffer_device_t* m_fbDev; |
| 84 | alloc_device_t* m_alloc; |
| 85 | unsigned int m_usage; |
| 86 | unsigned int m_bufFormat; |
| 87 | int m_freeBufs; |
| 88 | std::list<HWComposerNativeWindowBuffer*> m_bufList; |
| 89 | HWComposerNativeWindowBuffer* m_frontBuf; |
| 90 | |
| 91 | int m_width; |
| 92 | int m_height; |
| 93 | |
| 94 | }; |
| 95 | |
| 96 | #endif |
| 97 | // vim: noai:ts=4:sw=4:ss=4:expandtab |