feat:3D multi dot

3rdpart/OpenCV/include/opencv2/gapi/fluid/gfluidbuffer.hpp

@@ -0,0 +1,154 @@
+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
+//
+// Copyright (C) 2018 Intel Corporation
+
+
+#ifndef OPENCV_GAPI_FLUID_BUFFER_HPP
+#define OPENCV_GAPI_FLUID_BUFFER_HPP
+
+#include <list>
+#include <numeric> // accumulate
+#include <ostream> // ostream
+#include <cstdint> // uint8_t
+
+#include <opencv2/gapi/opencv_includes.hpp>
+#include <opencv2/gapi/gmat.hpp>
+
+#include <opencv2/gapi/util/optional.hpp>
+
+namespace cv {
+namespace gapi {
+namespace fluid {
+
+struct Border
+{
+    // This constructor is required to support existing kernels which are part of G-API
+    Border(int _type, cv::Scalar _val) : type(_type), value(_val) {}
+
+    int type;
+    cv::Scalar value;
+};
+
+using BorderOpt = util::optional<Border>;
+
+bool operator == (const Border& b1, const Border& b2);
+
+class GAPI_EXPORTS Buffer;
+
+class GAPI_EXPORTS View
+{
+public:
+    struct Cache
+    {
+        std::vector<const uint8_t*> m_linePtrs;
+        GMatDesc m_desc;
+        int m_border_size = 0;
+
+        inline const uint8_t* linePtr(int index) const
+        {
+            // "out_of_window" check:
+            // user must not request the lines which are outside of specified kernel window
+            GAPI_DbgAssert(index >= -m_border_size
+                        && index <  -m_border_size + static_cast<int>(m_linePtrs.size()));
+            return m_linePtrs[index + m_border_size];
+        }
+    };
+
+    const inline uint8_t* InLineB(int index) const // -(w-1)/2...0...+(w-1)/2 for Filters
+    {
+        return m_cache->linePtr(index);
+    }
+
+    template<typename T> const inline T* InLine(int i) const
+    {
+        const uint8_t* ptr = this->InLineB(i);
+        return reinterpret_cast<const T*>(ptr);
+    }
+
+    inline operator bool() const { return m_priv != nullptr; }
+    bool ready() const;
+    inline int length() const { return m_cache->m_desc.size.width; }
+    int y() const;
+
+    inline const GMatDesc& meta() const { return m_cache->m_desc; }
+
+    class GAPI_EXPORTS Priv;      // internal use only
+    Priv& priv();               // internal use only
+    const Priv& priv() const;   // internal use only
+
+    View();
+    View(std::unique_ptr<Priv>&& p);
+    View(View&& v);
+    View& operator=(View&& v);
+    ~View();
+
+private:
+    std::unique_ptr<Priv> m_priv;
+    const Cache* m_cache = nullptr;
+};
+
+class GAPI_EXPORTS Buffer
+{
+public:
+    struct Cache
+    {
+        std::vector<uint8_t*> m_linePtrs;
+        GMatDesc m_desc;
+    };
+
+    // Default constructor (executable creation stage,
+    // all following initialization performed in Priv::init())
+    Buffer();
+    // Scratch constructor (user kernels)
+    Buffer(const cv::GMatDesc &desc);
+
+    // Constructor for intermediate buffers (for tests)
+    Buffer(const cv::GMatDesc &desc,
+           int max_line_consumption, int border_size,
+           int skew,
+           int wlpi,
+           BorderOpt border);
+    // Constructor for in/out buffers (for tests)
+    Buffer(const cv::Mat &data, bool is_input);
+    ~Buffer();
+    Buffer& operator=(Buffer&&);
+
+    inline uint8_t* OutLineB(int index = 0)
+    {
+        return m_cache->m_linePtrs[index];
+    }
+
+    template<typename T> inline T* OutLine(int index = 0)
+    {
+        uint8_t* ptr = this->OutLineB(index);
+        return reinterpret_cast<T*>(ptr);
+    }
+
+    int y() const;
+
+    int linesReady() const;
+    void debug(std::ostream &os) const;
+    inline int length() const { return m_cache->m_desc.size.width; }
+    int lpi() const;  // LPI for WRITER
+
+    inline const GMatDesc& meta() const { return m_cache->m_desc; }
+
+    View mkView(int borderSize, bool ownStorage);
+    void addView(const View* v);
+
+    class GAPI_EXPORTS Priv;      // internal use only
+    Priv& priv();               // internal use only
+    const Priv& priv() const;   // internal use only
+
+private:
+    std::unique_ptr<Priv> m_priv;
+    const Cache* m_cache;
+};
+
+} // namespace cv::gapi::fluid
+} // namespace cv::gapi
+} // namespace cv
+
+#endif // OPENCV_GAPI_FLUID_BUFFER_HPP