diff -r 000000000000 -r 6474c204b198 media/omx-plugin/include/froyo/ui/GraphicBuffer.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/media/omx-plugin/include/froyo/ui/GraphicBuffer.h Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,143 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_GRAPHIC_BUFFER_H +#define ANDROID_GRAPHIC_BUFFER_H + +#include +#include + +#include +#include +#include +#include +#include + +struct android_native_buffer_t; + +namespace android { + +class GraphicBufferMapper; + +// =========================================================================== +// GraphicBuffer +// =========================================================================== + +class GraphicBuffer + : public EGLNativeBase< + android_native_buffer_t, + GraphicBuffer, + LightRefBase >, public Flattenable +{ +public: + + enum { + USAGE_SW_READ_NEVER = GRALLOC_USAGE_SW_READ_NEVER, + USAGE_SW_READ_RARELY = GRALLOC_USAGE_SW_READ_RARELY, + USAGE_SW_READ_OFTEN = GRALLOC_USAGE_SW_READ_OFTEN, + USAGE_SW_READ_MASK = GRALLOC_USAGE_SW_READ_MASK, + + USAGE_SW_WRITE_NEVER = GRALLOC_USAGE_SW_WRITE_NEVER, + USAGE_SW_WRITE_RARELY = GRALLOC_USAGE_SW_WRITE_RARELY, + USAGE_SW_WRITE_OFTEN = GRALLOC_USAGE_SW_WRITE_OFTEN, + USAGE_SW_WRITE_MASK = GRALLOC_USAGE_SW_WRITE_MASK, + + USAGE_SOFTWARE_MASK = USAGE_SW_READ_MASK|USAGE_SW_WRITE_MASK, + + USAGE_HW_TEXTURE = GRALLOC_USAGE_HW_TEXTURE, + USAGE_HW_RENDER = GRALLOC_USAGE_HW_RENDER, + USAGE_HW_2D = GRALLOC_USAGE_HW_2D, + USAGE_HW_MASK = GRALLOC_USAGE_HW_MASK + }; + + GraphicBuffer(); + + // creates w * h buffer + GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage); + + // create a buffer from an existing handle + GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage, + uint32_t stride, native_handle_t* handle, bool keepOwnership); + + // return status + status_t initCheck() const; + + uint32_t getWidth() const { return width; } + uint32_t getHeight() const { return height; } + uint32_t getStride() const { return stride; } + uint32_t getUsage() const { return usage; } + PixelFormat getPixelFormat() const { return format; } + Rect getBounds() const { return Rect(width, height); } + + status_t reallocate(uint32_t w, uint32_t h, PixelFormat f, uint32_t usage); + + status_t lock(uint32_t usage, void** vaddr); + status_t lock(uint32_t usage, const Rect& rect, void** vaddr); + status_t lock(GGLSurface* surface, uint32_t usage); + status_t unlock(); + + android_native_buffer_t* getNativeBuffer() const; + + void setIndex(int index); + int getIndex() const; + void setVerticalStride(uint32_t vstride); + uint32_t getVerticalStride() const; + +protected: + virtual ~GraphicBuffer(); + + enum { + ownNone = 0, + ownHandle = 1, + ownData = 2, + }; + + inline const GraphicBufferMapper& getBufferMapper() const { return mBufferMapper; } + inline GraphicBufferMapper& getBufferMapper() { return mBufferMapper; } + uint8_t mOwner; + +private: + friend class Surface; + friend class BpSurface; + friend class BnSurface; + friend class LightRefBase; + GraphicBuffer(const GraphicBuffer& rhs); + GraphicBuffer& operator = (const GraphicBuffer& rhs); + const GraphicBuffer& operator = (const GraphicBuffer& rhs) const; + + status_t initSize(uint32_t w, uint32_t h, PixelFormat format, + uint32_t usage); + + void free_handle(); + + // Flattenable interface + size_t getFlattenedSize() const; + size_t getFdCount() const; + status_t flatten(void* buffer, size_t size, + int fds[], size_t count) const; + status_t unflatten(void const* buffer, size_t size, + int fds[], size_t count); + + + GraphicBufferMapper& mBufferMapper; + ssize_t mInitCheck; + uint32_t mVStride; + int mIndex; +}; + +}; // namespace android + +#endif // ANDROID_GRAPHIC_BUFFER_H