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comparison: media/omx-plugin/include/froyo/ui/GraphicBuffer.h
media/omx-plugin/include/froyo/ui/GraphicBuffer.h
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| -1:000000000000 | 0:a3804225a11a |
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| 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 struct android_native_buffer_t; | |
| 30 | |
| 31 namespace android { | |
| 32 | |
| 33 class GraphicBufferMapper; | |
| 34 | |
| 35 // =========================================================================== | |
| 36 // GraphicBuffer | |
| 37 // =========================================================================== | |
| 38 | |
| 39 class GraphicBuffer | |
| 40 : public EGLNativeBase< | |
| 41 android_native_buffer_t, | |
| 42 GraphicBuffer, | |
| 43 LightRefBase<GraphicBuffer> >, public Flattenable | |
| 44 { | |
| 45 public: | |
| 46 | |
| 47 enum { | |
| 48 USAGE_SW_READ_NEVER = GRALLOC_USAGE_SW_READ_NEVER, | |
| 49 USAGE_SW_READ_RARELY = GRALLOC_USAGE_SW_READ_RARELY, | |
| 50 USAGE_SW_READ_OFTEN = GRALLOC_USAGE_SW_READ_OFTEN, | |
| 51 USAGE_SW_READ_MASK = GRALLOC_USAGE_SW_READ_MASK, | |
| 52 | |
| 53 USAGE_SW_WRITE_NEVER = GRALLOC_USAGE_SW_WRITE_NEVER, | |
| 54 USAGE_SW_WRITE_RARELY = GRALLOC_USAGE_SW_WRITE_RARELY, | |
| 55 USAGE_SW_WRITE_OFTEN = GRALLOC_USAGE_SW_WRITE_OFTEN, | |
| 56 USAGE_SW_WRITE_MASK = GRALLOC_USAGE_SW_WRITE_MASK, | |
| 57 | |
| 58 USAGE_SOFTWARE_MASK = USAGE_SW_READ_MASK|USAGE_SW_WRITE_MASK, | |
| 59 | |
| 60 USAGE_HW_TEXTURE = GRALLOC_USAGE_HW_TEXTURE, | |
| 61 USAGE_HW_RENDER = GRALLOC_USAGE_HW_RENDER, | |
| 62 USAGE_HW_2D = GRALLOC_USAGE_HW_2D, | |
| 63 USAGE_HW_MASK = GRALLOC_USAGE_HW_MASK | |
| 64 }; | |
| 65 | |
| 66 GraphicBuffer(); | |
| 67 | |
| 68 // creates w * h buffer | |
| 69 GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage); | |
| 70 | |
| 71 // create a buffer from an existing handle | |
| 72 GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage, | |
| 73 uint32_t stride, native_handle_t* handle, bool keepOwnership); | |
| 74 | |
| 75 // return status | |
| 76 status_t initCheck() const; | |
| 77 | |
| 78 uint32_t getWidth() const { return width; } | |
| 79 uint32_t getHeight() const { return height; } | |
| 80 uint32_t getStride() const { return stride; } | |
| 81 uint32_t getUsage() const { return usage; } | |
| 82 PixelFormat getPixelFormat() const { return format; } | |
| 83 Rect getBounds() const { return Rect(width, height); } | |
| 84 | |
| 85 status_t reallocate(uint32_t w, uint32_t h, PixelFormat f, uint32_t usage); | |
| 86 | |
| 87 status_t lock(uint32_t usage, void** vaddr); | |
| 88 status_t lock(uint32_t usage, const Rect& rect, void** vaddr); | |
| 89 status_t lock(GGLSurface* surface, uint32_t usage); | |
| 90 status_t unlock(); | |
| 91 | |
| 92 android_native_buffer_t* getNativeBuffer() const; | |
| 93 | |
| 94 void setIndex(int index); | |
| 95 int getIndex() const; | |
| 96 void setVerticalStride(uint32_t vstride); | |
| 97 uint32_t getVerticalStride() const; | |
| 98 | |
| 99 protected: | |
| 100 virtual ~GraphicBuffer(); | |
| 101 | |
| 102 enum { | |
| 103 ownNone = 0, | |
| 104 ownHandle = 1, | |
| 105 ownData = 2, | |
| 106 }; | |
| 107 | |
| 108 inline const GraphicBufferMapper& getBufferMapper() const { return mBufferMapper; } | |
| 109 inline GraphicBufferMapper& getBufferMapper() { return mBufferMapper; } | |
| 110 uint8_t mOwner; | |
| 111 | |
| 112 private: | |
| 113 friend class Surface; | |
| 114 friend class BpSurface; | |
| 115 friend class BnSurface; | |
| 116 friend class LightRefBase<GraphicBuffer>; | |
| 117 GraphicBuffer(const GraphicBuffer& rhs); | |
| 118 GraphicBuffer& operator = (const GraphicBuffer& rhs); | |
| 119 const GraphicBuffer& operator = (const GraphicBuffer& rhs) const; | |
| 120 | |
| 121 status_t initSize(uint32_t w, uint32_t h, PixelFormat format, | |
| 122 uint32_t usage); | |
| 123 | |
| 124 void free_handle(); | |
| 125 | |
| 126 // Flattenable interface | |
| 127 size_t getFlattenedSize() const; | |
| 128 size_t getFdCount() const; | |
| 129 status_t flatten(void* buffer, size_t size, | |
| 130 int fds[], size_t count) const; | |
| 131 status_t unflatten(void const* buffer, size_t size, | |
| 132 int fds[], size_t count); | |
| 133 | |
| 134 | |
| 135 GraphicBufferMapper& mBufferMapper; | |
| 136 ssize_t mInitCheck; | |
| 137 uint32_t mVStride; | |
| 138 int mIndex; | |
| 139 }; | |
| 140 | |
| 141 }; // namespace android | |
| 142 | |
| 143 #endif // ANDROID_GRAPHIC_BUFFER_H |
