1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/omx-plugin/include/froyo/ui/GraphicBuffer.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,143 @@
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 android_native_buffer_t;
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 + android_native_buffer_t,
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_HW_TEXTURE = GRALLOC_USAGE_HW_TEXTURE,
1.64 + USAGE_HW_RENDER = GRALLOC_USAGE_HW_RENDER,
1.65 + USAGE_HW_2D = GRALLOC_USAGE_HW_2D,
1.66 + USAGE_HW_MASK = GRALLOC_USAGE_HW_MASK
1.67 + };
1.68 +
1.69 + GraphicBuffer();
1.70 +
1.71 + // creates w * h buffer
1.72 + GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage);
1.73 +
1.74 + // create a buffer from an existing handle
1.75 + GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage,
1.76 + uint32_t stride, native_handle_t* handle, bool keepOwnership);
1.77 +
1.78 + // return status
1.79 + status_t initCheck() const;
1.80 +
1.81 + uint32_t getWidth() const { return width; }
1.82 + uint32_t getHeight() const { return height; }
1.83 + uint32_t getStride() const { return stride; }
1.84 + uint32_t getUsage() const { return usage; }
1.85 + PixelFormat getPixelFormat() const { return format; }
1.86 + Rect getBounds() const { return Rect(width, height); }
1.87 +
1.88 + status_t reallocate(uint32_t w, uint32_t h, PixelFormat f, uint32_t usage);
1.89 +
1.90 + status_t lock(uint32_t usage, void** vaddr);
1.91 + status_t lock(uint32_t usage, const Rect& rect, void** vaddr);
1.92 + status_t lock(GGLSurface* surface, uint32_t usage);
1.93 + status_t unlock();
1.94 +
1.95 + android_native_buffer_t* getNativeBuffer() const;
1.96 +
1.97 + void setIndex(int index);
1.98 + int getIndex() const;
1.99 + void setVerticalStride(uint32_t vstride);
1.100 + uint32_t getVerticalStride() const;
1.101 +
1.102 +protected:
1.103 + virtual ~GraphicBuffer();
1.104 +
1.105 + enum {
1.106 + ownNone = 0,
1.107 + ownHandle = 1,
1.108 + ownData = 2,
1.109 + };
1.110 +
1.111 + inline const GraphicBufferMapper& getBufferMapper() const { return mBufferMapper; }
1.112 + inline GraphicBufferMapper& getBufferMapper() { return mBufferMapper; }
1.113 + uint8_t mOwner;
1.114 +
1.115 +private:
1.116 + friend class Surface;
1.117 + friend class BpSurface;
1.118 + friend class BnSurface;
1.119 + friend class LightRefBase<GraphicBuffer>;
1.120 + GraphicBuffer(const GraphicBuffer& rhs);
1.121 + GraphicBuffer& operator = (const GraphicBuffer& rhs);
1.122 + const GraphicBuffer& operator = (const GraphicBuffer& rhs) const;
1.123 +
1.124 + status_t initSize(uint32_t w, uint32_t h, PixelFormat format,
1.125 + uint32_t usage);
1.126 +
1.127 + void free_handle();
1.128 +
1.129 + // Flattenable interface
1.130 + size_t getFlattenedSize() const;
1.131 + size_t getFdCount() const;
1.132 + status_t flatten(void* buffer, size_t size,
1.133 + int fds[], size_t count) const;
1.134 + status_t unflatten(void const* buffer, size_t size,
1.135 + int fds[], size_t count);
1.136 +
1.137 +
1.138 + GraphicBufferMapper& mBufferMapper;
1.139 + ssize_t mInitCheck;
1.140 + uint32_t mVStride;
1.141 + int mIndex;
1.142 +};
1.143 +
1.144 +}; // namespace android
1.145 +
1.146 +#endif // ANDROID_GRAPHIC_BUFFER_H
