mirror of https://github.com/alibaba/MNN.git
106 lines
4.3 KiB
C++
106 lines
4.3 KiB
C++
//
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// ImageBufferConvertor.hpp
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// MNN
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//
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// Created by MNN on 2019/01/31.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#ifndef ImageBufferConvertor_hpp
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#define ImageBufferConvertor_hpp
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#include "core/Macro.h"
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#include <MNN/Tensor.hpp>
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#include "backend/opencl/core/OpenCLRunningUtils.hpp"
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namespace MNN {
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namespace OpenCL {
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/**
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* @brief convert nchw buffer to image.
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* @param input input tensor.
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* @param output output tensor.
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* @param bufferToImageKernel opencl kernel reference.
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* @param runtime opencl runtime instance pointer.
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* @param needWait whether need wait opencl complete before return or not, default false.
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* @return true if success, false otherwise.
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*/
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bool convertNCHWBufferToImage(const Tensor *input, Tensor *output, cl::Kernel &bufferToImageKernel,
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OpenCLRuntime *runtime, bool needWait = false);
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/**
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* @brief convert nhwc buffer to image.
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* @param input input tensor.
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* @param output output tensor.
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* @param bufferToImageKernel opencl kernel reference.
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* @param runtime opencl runtime instance pointer.
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* @param needWait whether need wait opencl complete before return or not, default false.
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* @return true if success, false otherwise.
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*/
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bool convertNHWCBufferToImage(const Tensor *input, Tensor *output, cl::Kernel &bufferToImageKernel,
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OpenCLRuntime *runtime, bool needWait = false);
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/**
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* @brief convert image to nchw buffer.
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* @param input input tensor.
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* @param output output tensor.
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* @param bufferToImageKernel opencl kernel reference.
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* @param runtime opencl runtime instance pointer.
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* @param needWait whether need wait opencl complete before return or not, default false.
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* @return true if success, false otherwise.
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*/
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bool convertImageToNCHWBuffer(const Tensor *input, Tensor *output, cl::Kernel &imageToBufferKernel,
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OpenCLRuntime *runtime, bool needWait = false);
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/**
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* @brief convert nc/4hwc%4 buffer to image.
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* @param input input tensor.
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* @param output output tensor.
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* @param bufferToImageKernel opencl kernel reference.
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* @param runtime opencl runtime instance pointer.
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* @param needWait whether need wait opencl complete before return or not, default false.
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* @return true if success, false otherwise.
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*/
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bool convertNC4HW4BufferToImage(const Tensor *input, Tensor *output, cl::Kernel &bufferToImageKernel,
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OpenCLRuntime *runtime, bool needWait = false);
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/**
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* @brief convert image to nc/4hwc%4 buffer.
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* @param input input tensor.
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* @param output output tensor.
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* @param bufferToImageKernel opencl kernel reference.
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* @param runtime opencl runtime instance pointer.
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* @param needWait whether need wait opencl complete before return or not, default false.
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* @return true if success, false otherwise.
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*/
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bool convertImageToNC4HW4Buffer(const Tensor *input, Tensor *output, cl::Kernel &imageToBufferKernel,
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OpenCLRuntime *runtime, bool needWait = false);
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/**
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* @brief convert image to nhwc buffer.
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* @param input input tensor.
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* @param output output tensor.
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* @param bufferToImageKernel opencl kernel reference.
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* @param runtime opencl runtime instance pointer.
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* @param needWait whether need wait opencl complete before return or not, default false.
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* @return true if success, false otherwise.
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*/
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bool convertImageToNHWCBuffer(const Tensor *input, Tensor *output, cl::Kernel &imageToBufferKernel,
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OpenCLRuntime *runtime, bool needWait = false);
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class ImageBufferConvertor {
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public:
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explicit ImageBufferConvertor(OpenCLRuntime *opencl_runtime) : mOpenCLRuntime(opencl_runtime) {
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}
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bool convertImageToBuffer(const Tensor *input, const OpenCLBufferFormat type, Tensor *output,
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bool needWait = false);
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bool convertBufferToImage(const Tensor *input, const OpenCLBufferFormat type, Tensor *output,
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bool needWait = false);
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private:
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OpenCLRuntime *mOpenCLRuntime;
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cl::Kernel mImageToBufferKernel;
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std::string mImageToBufferKernelName;
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cl::Kernel mBufferToImageKernel;
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std::string mBufferToImageKernelName;
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};
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} // namespace OpenCL
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} // namespace MNN
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#endif /* ImageBufferConvertor_hpp */
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