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Tetragramm
GitHub Repository: Tetragramm/opencv
 Path: blob/master/modules/dnn/src/vkcom/include/op_softmax.hpp
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// This file is part of OpenCV project.

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// It is subject to the license terms in the LICENSE file found in the top-level directory

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// of this distribution and at http://opencv.org/license.html.

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//

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// Copyright (C) 2018, Intel Corporation, all rights reserved.

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// Third party copyrights are property of their respective owners.

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#ifndef OPENCV_DNN_VKCOM_OP_SOFTMAX_HPP

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#define OPENCV_DNN_VKCOM_OP_SOFTMAX_HPP

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#include "vkcom.hpp"

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#include "op_base.hpp"

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namespace cv { namespace dnn { namespace vkcom {

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#ifdef HAVE_VULKAN

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struct SoftmaxShaderConfig

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{

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    int local_size_x;

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    int local_size_y;

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    int local_size_z;

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    int block_height;

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    int block_width;

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    int block_depth;

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};

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class OpSoftmax: public OpBase

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{

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public:

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    OpSoftmax(const int axis, const bool log_softmax = false);

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    ~OpSoftmax();

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    void reshapeOutTensor(Tensor& in, Tensor& out);

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    bool forward(Tensor& in, Tensor& out);

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    virtual bool forward(std::vector<Tensor>& ins,

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                         std::vector<Tensor>& blobs,

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                         std::vector<Tensor>& outs) CV_OVERRIDE;

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private:

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    bool init(const int axis, const bool log_softmax);

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    bool computeGroupCount();

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    int axis_;

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    int channels_;

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    int channel_size_;

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    int outer_size_;

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    bool log_softmax_;

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    SoftmaxShaderConfig config_;

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    Tensor* max_tensor_;

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    Tensor* sum_tensor_;

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};

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#endif // HAVE_VULKAN

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}}} // namespace cv::dnn::vkcom

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#endif // OPENCV_DNN_VKCOM_OP_SOFTMAX_HPP

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