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comparison: media/omx-plugin/include/gb/ui/GraphicBuffer.h
media/omx-plugin/include/gb/ui/GraphicBuffer.h
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- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:26df4d88834b |
|---|---|
| 1 /* | |
| 2 * Copyright (C) 2007 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 | |
| 17 #ifndef ANDROID_GRAPHIC_BUFFER_H | |
| 18 #define ANDROID_GRAPHIC_BUFFER_H | |
| 19 | |
| 20 #include <stdint.h> | |
| 21 #include <sys/types.h> | |
| 22 | |
| 23 #include <ui/android_native_buffer.h> | |
| 24 #include <ui/PixelFormat.h> | |
| 25 #include <ui/Rect.h> | |
| 26 #include <utils/Flattenable.h> | |
| 27 #include <pixelflinger/pixelflinger.h> | |
| 28 | |
| 29 #include <hardware/hardware.h> | |
| 30 | |
| 31 struct android_native_buffer_t; | |
| 32 | |
| 33 namespace android { | |
| 34 | |
| 35 class GraphicBufferMapper; | |
| 36 | |
| 37 // =========================================================================== | |
| 38 // GraphicBuffer | |
| 39 // =========================================================================== | |
| 40 | |
| 41 class GraphicBuffer | |
| 42 : public EGLNativeBase< | |
| 43 android_native_buffer_t, | |
| 44 GraphicBuffer, | |
| 45 LightRefBase<GraphicBuffer> >, public Flattenable | |
| 46 { | |
| 47 public: | |
| 48 | |
| 49 enum { | |
| 50 USAGE_SW_READ_NEVER = GRALLOC_USAGE_SW_READ_NEVER, | |
| 51 USAGE_SW_READ_RARELY = GRALLOC_USAGE_SW_READ_RARELY, | |
| 52 USAGE_SW_READ_OFTEN = GRALLOC_USAGE_SW_READ_OFTEN, | |
| 53 USAGE_SW_READ_MASK = GRALLOC_USAGE_SW_READ_MASK, | |
| 54 | |
| 55 USAGE_SW_WRITE_NEVER = GRALLOC_USAGE_SW_WRITE_NEVER, | |
| 56 USAGE_SW_WRITE_RARELY = GRALLOC_USAGE_SW_WRITE_RARELY, | |
| 57 USAGE_SW_WRITE_OFTEN = GRALLOC_USAGE_SW_WRITE_OFTEN, | |
| 58 USAGE_SW_WRITE_MASK = GRALLOC_USAGE_SW_WRITE_MASK, | |
| 59 | |
| 60 USAGE_SOFTWARE_MASK = USAGE_SW_READ_MASK|USAGE_SW_WRITE_MASK, | |
| 61 | |
| 62 USAGE_HW_TEXTURE = GRALLOC_USAGE_HW_TEXTURE, | |
| 63 USAGE_HW_RENDER = GRALLOC_USAGE_HW_RENDER, | |
| 64 USAGE_HW_2D = GRALLOC_USAGE_HW_2D, | |
| 65 USAGE_HW_MASK = GRALLOC_USAGE_HW_MASK | |
| 66 }; | |
| 67 | |
| 68 enum { | |
| 69 TRANSFORM_IDENTITY = 0, | |
| 70 TRANSFORM_ROT_90 = HAL_TRANSFORM_ROT_90, | |
| 71 TRANSFORM_ROT_180 = HAL_TRANSFORM_ROT_180, | |
| 72 TRANSFORM_ROT_270 = HAL_TRANSFORM_ROT_270 | |
| 73 }; | |
| 74 | |
| 75 GraphicBuffer(); | |
| 76 | |
| 77 // creates w * h buffer | |
| 78 GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage); | |
| 79 | |
| 80 // create a buffer from an existing handle | |
| 81 GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage, | |
| 82 uint32_t stride, native_handle_t* handle, bool keepOwnership); | |
| 83 | |
| 84 // return status | |
| 85 status_t initCheck() const; | |
| 86 | |
| 87 uint32_t getWidth() const { return width; } | |
| 88 uint32_t getHeight() const { return height; } | |
| 89 uint32_t getStride() const { return stride; } | |
| 90 uint32_t getUsage() const { return usage; } | |
| 91 uint32_t getTransform() const { return transform; } | |
| 92 PixelFormat getPixelFormat() const { return format; } | |
| 93 Rect getBounds() const { return Rect(width, height); } | |
| 94 | |
| 95 status_t reallocate(uint32_t w, uint32_t h, PixelFormat f, uint32_t usage); | |
| 96 | |
| 97 status_t lock(uint32_t usage, void** vaddr); | |
| 98 status_t lock(uint32_t usage, const Rect& rect, void** vaddr); | |
| 99 status_t lock(GGLSurface* surface, uint32_t usage); | |
| 100 status_t unlock(); | |
| 101 | |
| 102 android_native_buffer_t* getNativeBuffer() const; | |
| 103 | |
| 104 void setIndex(int index); | |
| 105 int getIndex() const; | |
| 106 | |
| 107 // for debugging | |
| 108 static void dumpAllocationsToSystemLog(); | |
| 109 | |
| 110 private: | |
| 111 virtual ~GraphicBuffer(); | |
| 112 | |
| 113 enum { | |
| 114 ownNone = 0, | |
| 115 ownHandle = 1, | |
| 116 ownData = 2, | |
| 117 }; | |
| 118 | |
| 119 inline const GraphicBufferMapper& getBufferMapper() const { | |
| 120 return mBufferMapper; | |
| 121 } | |
| 122 inline GraphicBufferMapper& getBufferMapper() { | |
| 123 return mBufferMapper; | |
| 124 } | |
| 125 uint8_t mOwner; | |
| 126 | |
| 127 private: | |
| 128 friend class Surface; | |
| 129 friend class BpSurface; | |
| 130 friend class BnSurface; | |
| 131 friend class LightRefBase<GraphicBuffer>; | |
| 132 GraphicBuffer(const GraphicBuffer& rhs); | |
| 133 GraphicBuffer& operator = (const GraphicBuffer& rhs); | |
| 134 const GraphicBuffer& operator = (const GraphicBuffer& rhs) const; | |
| 135 | |
| 136 status_t initSize(uint32_t w, uint32_t h, PixelFormat format, | |
| 137 uint32_t usage); | |
| 138 | |
| 139 void free_handle(); | |
| 140 | |
| 141 // Flattenable interface | |
| 142 size_t getFlattenedSize() const; | |
| 143 size_t getFdCount() const; | |
| 144 status_t flatten(void* buffer, size_t size, | |
| 145 int fds[], size_t count) const; | |
| 146 status_t unflatten(void const* buffer, size_t size, | |
| 147 int fds[], size_t count); | |
| 148 | |
| 149 | |
| 150 GraphicBufferMapper& mBufferMapper; | |
| 151 ssize_t mInitCheck; | |
| 152 int mIndex; | |
| 153 }; | |
| 154 | |
| 155 }; // namespace android | |
| 156 | |
| 157 #endif // ANDROID_GRAPHIC_BUFFER_H |
