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/* |
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// Copyright (c) 2014 Intel Corporation |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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*/ |
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#ifndef DATABUFFER_H__ |
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#define DATABUFFER_H__ |
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#include <hardware/hwcomposer.h> |
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namespace android { |
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namespace intel { |
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typedef struct crop { |
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// align with android, using 'int' here |
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int x; |
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int y; |
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int w; |
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int h; |
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} crop_t; |
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typedef struct stride { |
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union { |
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struct { |
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uint32_t stride; |
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} rgb; |
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struct { |
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uint32_t yStride; |
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uint32_t uvStride; |
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} yuv; |
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}; |
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}stride_t; |
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class DataBuffer { |
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public: |
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enum { |
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FORMAT_INVALID = 0xffffffff, |
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}; |
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public: |
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DataBuffer(uint32_t handle) |
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{ |
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initBuffer(handle); |
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} |
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virtual ~DataBuffer() {} |
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public: |
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virtual void resetBuffer(uint32_t handle) { |
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// nothing to reset, just do initialization |
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initBuffer(handle); |
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} |
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uint32_t getHandle() const { return mHandle; } |
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void setStride(stride_t& stride) { mStride = stride; } |
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stride_t& getStride() { return mStride; } |
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void setWidth(uint32_t width) { mWidth = width; } |
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uint32_t getWidth() const { return mWidth; } |
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void setHeight(uint32_t height) { mHeight = height; } |
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uint32_t getHeight() const { return mHeight; } |
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void setCrop(int x, int y, int w, int h) { |
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mCrop.x = x; mCrop.y = y; mCrop.w = w; mCrop.h = h; } |
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crop_t& getCrop() { return mCrop; } |
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void setFormat(uint32_t format) { mFormat = format; } |
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uint32_t getFormat() const { return mFormat; } |
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uint64_t getKey() const { return mKey; } |
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void setIsCompression(bool isCompressed) { mIsCompression = isCompressed; } |
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bool isCompression() { return mIsCompression; } |
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private: |
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void initBuffer(uint32_t handle) { |
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mHandle = handle; |
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mFormat = 0; |
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mWidth = 0; |
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mHeight = 0; |
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mKey = handle; |
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memset(&mStride, 0, sizeof(stride_t)); |
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memset(&mCrop, 0, sizeof(crop_t)); |
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} |
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protected: |
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uint32_t mHandle; |
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stride_t mStride; |
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crop_t mCrop; |
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uint32_t mFormat; |
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uint32_t mWidth; |
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uint32_t mHeight; |
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uint64_t mKey; |
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bool mIsCompression; |
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}; |
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static inline uint32_t align_to(uint32_t arg, uint32_t align) |
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{ |
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return ((arg + (align - 1)) & (~(align - 1))); |
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} |
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} // namespace intel |
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} // namespace android |
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#endif /* DATABUFFER_H__ */
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