1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/omx-plugin/include/ics/ui/GraphicBuffer.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,159 @@
1.4 +/*
1.5 + * Copyright (C) 2007 The Android Open Source Project
1.6 + *
1.7 + * Licensed under the Apache License, Version 2.0 (the "License");
1.8 + * you may not use this file except in compliance with the License.
1.9 + * You may obtain a copy of the License at
1.10 + *
1.11 + * http://www.apache.org/licenses/LICENSE-2.0
1.12 + *
1.13 + * Unless required by applicable law or agreed to in writing, software
1.14 + * distributed under the License is distributed on an "AS IS" BASIS,
1.15 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1.16 + * See the License for the specific language governing permissions and
1.17 + * limitations under the License.
1.18 + */
1.19 +
1.20 +#ifndef ANDROID_GRAPHIC_BUFFER_H
1.21 +#define ANDROID_GRAPHIC_BUFFER_H
1.22 +
1.23 +#include <stdint.h>
1.24 +#include <sys/types.h>
1.25 +
1.26 +#include <ui/android_native_buffer.h>
1.27 +#include <ui/PixelFormat.h>
1.28 +#include <ui/Rect.h>
1.29 +#include <utils/Flattenable.h>
1.30 +#include <pixelflinger/pixelflinger.h>
1.31 +
1.32 +struct ANativeWindowBuffer;
1.33 +
1.34 +namespace android {
1.35 +
1.36 +class GraphicBufferMapper;
1.37 +
1.38 +// ===========================================================================
1.39 +// GraphicBuffer
1.40 +// ===========================================================================
1.41 +
1.42 +class GraphicBuffer
1.43 + : public EGLNativeBase<
1.44 + ANativeWindowBuffer,
1.45 + GraphicBuffer,
1.46 + LightRefBase<GraphicBuffer> >, public Flattenable
1.47 +{
1.48 +public:
1.49 +
1.50 + enum {
1.51 + USAGE_SW_READ_NEVER = GRALLOC_USAGE_SW_READ_NEVER,
1.52 + USAGE_SW_READ_RARELY = GRALLOC_USAGE_SW_READ_RARELY,
1.53 + USAGE_SW_READ_OFTEN = GRALLOC_USAGE_SW_READ_OFTEN,
1.54 + USAGE_SW_READ_MASK = GRALLOC_USAGE_SW_READ_MASK,
1.55 +
1.56 + USAGE_SW_WRITE_NEVER = GRALLOC_USAGE_SW_WRITE_NEVER,
1.57 + USAGE_SW_WRITE_RARELY = GRALLOC_USAGE_SW_WRITE_RARELY,
1.58 + USAGE_SW_WRITE_OFTEN = GRALLOC_USAGE_SW_WRITE_OFTEN,
1.59 + USAGE_SW_WRITE_MASK = GRALLOC_USAGE_SW_WRITE_MASK,
1.60 +
1.61 + USAGE_SOFTWARE_MASK = USAGE_SW_READ_MASK|USAGE_SW_WRITE_MASK,
1.62 +
1.63 + USAGE_PROTECTED = GRALLOC_USAGE_PROTECTED,
1.64 +
1.65 + USAGE_HW_TEXTURE = GRALLOC_USAGE_HW_TEXTURE,
1.66 + USAGE_HW_RENDER = GRALLOC_USAGE_HW_RENDER,
1.67 + USAGE_HW_2D = GRALLOC_USAGE_HW_2D,
1.68 + USAGE_HW_COMPOSER = GRALLOC_USAGE_HW_COMPOSER,
1.69 + USAGE_HW_VIDEO_ENCODER = GRALLOC_USAGE_HW_VIDEO_ENCODER,
1.70 + USAGE_HW_MASK = GRALLOC_USAGE_HW_MASK
1.71 + };
1.72 +
1.73 + GraphicBuffer();
1.74 +
1.75 + // creates w * h buffer
1.76 + GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage);
1.77 +
1.78 + // create a buffer from an existing handle
1.79 + GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage,
1.80 + uint32_t stride, native_handle_t* handle, bool keepOwnership);
1.81 +
1.82 + // create a buffer from an existing ANativeWindowBuffer
1.83 + GraphicBuffer(ANativeWindowBuffer* buffer, bool keepOwnership);
1.84 +
1.85 + // return status
1.86 + status_t initCheck() const;
1.87 +
1.88 + uint32_t getWidth() const { return width; }
1.89 + uint32_t getHeight() const { return height; }
1.90 + uint32_t getStride() const { return stride; }
1.91 + uint32_t getUsage() const { return usage; }
1.92 + PixelFormat getPixelFormat() const { return format; }
1.93 + Rect getBounds() const { return Rect(width, height); }
1.94 +
1.95 + status_t reallocate(uint32_t w, uint32_t h, PixelFormat f, uint32_t usage);
1.96 +
1.97 + status_t lock(uint32_t usage, void** vaddr);
1.98 + status_t lock(uint32_t usage, const Rect& rect, void** vaddr);
1.99 + status_t lock(GGLSurface* surface, uint32_t usage);
1.100 + status_t unlock();
1.101 +
1.102 + ANativeWindowBuffer* getNativeBuffer() const;
1.103 +
1.104 + void setIndex(int index);
1.105 + int getIndex() const;
1.106 +
1.107 + // for debugging
1.108 + static void dumpAllocationsToSystemLog();
1.109 +
1.110 +private:
1.111 + virtual ~GraphicBuffer();
1.112 +
1.113 + enum {
1.114 + ownNone = 0,
1.115 + ownHandle = 1,
1.116 + ownData = 2,
1.117 + };
1.118 +
1.119 + inline const GraphicBufferMapper& getBufferMapper() const {
1.120 + return mBufferMapper;
1.121 + }
1.122 + inline GraphicBufferMapper& getBufferMapper() {
1.123 + return mBufferMapper;
1.124 + }
1.125 + uint8_t mOwner;
1.126 +
1.127 +private:
1.128 + friend class Surface;
1.129 + friend class BpSurface;
1.130 + friend class BnSurface;
1.131 + friend class SurfaceTextureClient;
1.132 + friend class LightRefBase<GraphicBuffer>;
1.133 + GraphicBuffer(const GraphicBuffer& rhs);
1.134 + GraphicBuffer& operator = (const GraphicBuffer& rhs);
1.135 + const GraphicBuffer& operator = (const GraphicBuffer& rhs) const;
1.136 +
1.137 + status_t initSize(uint32_t w, uint32_t h, PixelFormat format,
1.138 + uint32_t usage);
1.139 +
1.140 + void free_handle();
1.141 +
1.142 + // Flattenable interface
1.143 + size_t getFlattenedSize() const;
1.144 + size_t getFdCount() const;
1.145 + status_t flatten(void* buffer, size_t size,
1.146 + int fds[], size_t count) const;
1.147 + status_t unflatten(void const* buffer, size_t size,
1.148 + int fds[], size_t count);
1.149 +
1.150 +
1.151 + GraphicBufferMapper& mBufferMapper;
1.152 + ssize_t mInitCheck;
1.153 + int mIndex;
1.154 +
1.155 + // If we're wrapping another buffer then this reference will make sure it
1.156 + // doesn't get freed.
1.157 + sp<ANativeWindowBuffer> mWrappedBuffer;
1.158 +};
1.159 +
1.160 +}; // namespace android
1.161 +
1.162 +#endif // ANDROID_GRAPHIC_BUFFER_H
