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media/omx-plugin/include/ics/ui/GraphicBuffer.h@6474c204b198 (annotated)

media/omx-plugin/include/ics/ui/GraphicBuffer.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /*
michael@0 2 * Copyright (C) 2007 The Android Open Source Project
michael@0 3 *
michael@0 4 * Licensed under the Apache License, Version 2.0 (the "License");
michael@0 5 * you may not use this file except in compliance with the License.
michael@0 6 * You may obtain a copy of the License at
michael@0 7 *
michael@0 8 * http://www.apache.org/licenses/LICENSE-2.0
michael@0 9 *
michael@0 10 * Unless required by applicable law or agreed to in writing, software
michael@0 11 * distributed under the License is distributed on an "AS IS" BASIS,
michael@0 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
michael@0 13 * See the License for the specific language governing permissions and
michael@0 14 * limitations under the License.
michael@0 15 */
michael@0 16
michael@0 17 #ifndef ANDROID_GRAPHIC_BUFFER_H
michael@0 18 #define ANDROID_GRAPHIC_BUFFER_H
michael@0 19
michael@0 20 #include <stdint.h>
michael@0 21 #include <sys/types.h>
michael@0 22
michael@0 23 #include <ui/android_native_buffer.h>
michael@0 24 #include <ui/PixelFormat.h>
michael@0 25 #include <ui/Rect.h>
michael@0 26 #include <utils/Flattenable.h>
michael@0 27 #include <pixelflinger/pixelflinger.h>
michael@0 28
michael@0 29 struct ANativeWindowBuffer;
michael@0 30
michael@0 31 namespace android {
michael@0 32
michael@0 33 class GraphicBufferMapper;
michael@0 34
michael@0 35 // ===========================================================================
michael@0 36 // GraphicBuffer
michael@0 37 // ===========================================================================
michael@0 38
michael@0 39 class GraphicBuffer
michael@0 40 : public EGLNativeBase<
michael@0 41 ANativeWindowBuffer,
michael@0 42 GraphicBuffer,
michael@0 43 LightRefBase<GraphicBuffer> >, public Flattenable
michael@0 44 {
michael@0 45 public:
michael@0 46
michael@0 47 enum {
michael@0 48 USAGE_SW_READ_NEVER = GRALLOC_USAGE_SW_READ_NEVER,
michael@0 49 USAGE_SW_READ_RARELY = GRALLOC_USAGE_SW_READ_RARELY,
michael@0 50 USAGE_SW_READ_OFTEN = GRALLOC_USAGE_SW_READ_OFTEN,
michael@0 51 USAGE_SW_READ_MASK = GRALLOC_USAGE_SW_READ_MASK,
michael@0 52
michael@0 53 USAGE_SW_WRITE_NEVER = GRALLOC_USAGE_SW_WRITE_NEVER,
michael@0 54 USAGE_SW_WRITE_RARELY = GRALLOC_USAGE_SW_WRITE_RARELY,
michael@0 55 USAGE_SW_WRITE_OFTEN = GRALLOC_USAGE_SW_WRITE_OFTEN,
michael@0 56 USAGE_SW_WRITE_MASK = GRALLOC_USAGE_SW_WRITE_MASK,
michael@0 57
michael@0 58 USAGE_SOFTWARE_MASK = USAGE_SW_READ_MASK|USAGE_SW_WRITE_MASK,
michael@0 59
michael@0 60 USAGE_PROTECTED = GRALLOC_USAGE_PROTECTED,
michael@0 61
michael@0 62 USAGE_HW_TEXTURE = GRALLOC_USAGE_HW_TEXTURE,
michael@0 63 USAGE_HW_RENDER = GRALLOC_USAGE_HW_RENDER,
michael@0 64 USAGE_HW_2D = GRALLOC_USAGE_HW_2D,
michael@0 65 USAGE_HW_COMPOSER = GRALLOC_USAGE_HW_COMPOSER,
michael@0 66 USAGE_HW_VIDEO_ENCODER = GRALLOC_USAGE_HW_VIDEO_ENCODER,
michael@0 67 USAGE_HW_MASK = GRALLOC_USAGE_HW_MASK
michael@0 68 };
michael@0 69
michael@0 70 GraphicBuffer();
michael@0 71
michael@0 72 // creates w * h buffer
michael@0 73 GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage);
michael@0 74
michael@0 75 // create a buffer from an existing handle
michael@0 76 GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage,
michael@0 77 uint32_t stride, native_handle_t* handle, bool keepOwnership);
michael@0 78
michael@0 79 // create a buffer from an existing ANativeWindowBuffer
michael@0 80 GraphicBuffer(ANativeWindowBuffer* buffer, bool keepOwnership);
michael@0 81
michael@0 82 // return status
michael@0 83 status_t initCheck() const;
michael@0 84
michael@0 85 uint32_t getWidth() const { return width; }
michael@0 86 uint32_t getHeight() const { return height; }
michael@0 87 uint32_t getStride() const { return stride; }
michael@0 88 uint32_t getUsage() const { return usage; }
michael@0 89 PixelFormat getPixelFormat() const { return format; }
michael@0 90 Rect getBounds() const { return Rect(width, height); }
michael@0 91
michael@0 92 status_t reallocate(uint32_t w, uint32_t h, PixelFormat f, uint32_t usage);
michael@0 93
michael@0 94 status_t lock(uint32_t usage, void** vaddr);
michael@0 95 status_t lock(uint32_t usage, const Rect& rect, void** vaddr);
michael@0 96 status_t lock(GGLSurface* surface, uint32_t usage);
michael@0 97 status_t unlock();
michael@0 98
michael@0 99 ANativeWindowBuffer* getNativeBuffer() const;
michael@0 100
michael@0 101 void setIndex(int index);
michael@0 102 int getIndex() const;
michael@0 103
michael@0 104 // for debugging
michael@0 105 static void dumpAllocationsToSystemLog();
michael@0 106
michael@0 107 private:
michael@0 108 virtual ~GraphicBuffer();
michael@0 109
michael@0 110 enum {
michael@0 111 ownNone = 0,
michael@0 112 ownHandle = 1,
michael@0 113 ownData = 2,
michael@0 114 };
michael@0 115
michael@0 116 inline const GraphicBufferMapper& getBufferMapper() const {
michael@0 117 return mBufferMapper;
michael@0 118 }
michael@0 119 inline GraphicBufferMapper& getBufferMapper() {
michael@0 120 return mBufferMapper;
michael@0 121 }
michael@0 122 uint8_t mOwner;
michael@0 123
michael@0 124 private:
michael@0 125 friend class Surface;
michael@0 126 friend class BpSurface;
michael@0 127 friend class BnSurface;
michael@0 128 friend class SurfaceTextureClient;
michael@0 129 friend class LightRefBase<GraphicBuffer>;
michael@0 130 GraphicBuffer(const GraphicBuffer& rhs);
michael@0 131 GraphicBuffer& operator = (const GraphicBuffer& rhs);
michael@0 132 const GraphicBuffer& operator = (const GraphicBuffer& rhs) const;
michael@0 133
michael@0 134 status_t initSize(uint32_t w, uint32_t h, PixelFormat format,
michael@0 135 uint32_t usage);
michael@0 136
michael@0 137 void free_handle();
michael@0 138
michael@0 139 // Flattenable interface
michael@0 140 size_t getFlattenedSize() const;
michael@0 141 size_t getFdCount() const;
michael@0 142 status_t flatten(void* buffer, size_t size,
michael@0 143 int fds[], size_t count) const;
michael@0 144 status_t unflatten(void const* buffer, size_t size,
michael@0 145 int fds[], size_t count);
michael@0 146
michael@0 147
michael@0 148 GraphicBufferMapper& mBufferMapper;
michael@0 149 ssize_t mInitCheck;
michael@0 150 int mIndex;
michael@0 151
michael@0 152 // If we're wrapping another buffer then this reference will make sure it
michael@0 153 // doesn't get freed.
michael@0 154 sp<ANativeWindowBuffer> mWrappedBuffer;
michael@0 155 };
michael@0 156
michael@0 157 }; // namespace android
michael@0 158
michael@0 159 #endif // ANDROID_GRAPHIC_BUFFER_H

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