1 files changed, 91 insertions, 0 deletions
diff --git a/runtime/contrib/pure_arm_compute/src/internal/MatrixSink.h b/runtime/contrib/pure_arm_compute/src/internal/MatrixSink.h
new file mode 100644
index 000000000..23ecc112b
--- /dev/null
+++ b/runtime/contrib/pure_arm_compute/src/internal/MatrixSink.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * 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.
+ */
+
+/**
+ * @file    MatrixSink.h
+ * @ingroup COM_AI_RUNTIME
+ * @brief   This file defines MatrixSink class
+ */
+#ifndef __INTERNAL_MATRIX_SINK_H__
+#define __INTERNAL_MATRIX_SINK_H__
+
+#include "internal/Sink.h"
+
+#include <arm_compute/core/ITensor.h>
+#include <arm_compute/core/Window.h>
+#include <arm_compute/core/Helpers.h>
+
+#include <cstdint>
+#include <cstring>
+#include <cassert>
+
+/**
+ * @brief Class to get matrix data from arm compute tensor
+ */
+template <typename T> class MatrixSink final : public Sink
+{
+public:
+  /**
+   * @brief Construct a new Matrix Sink object
+   * @param[in] H     Height of matrix
+   * @param[in] W     Width of matrix
+   * @param[in] base  Pointer to get data
+   * @param[in] size  Size of matrix
+   */
+  MatrixSink(const int32_t H, const int32_t W, T *base, const size_t size)
+      : _height{H}, _width{W}, _base{base}
+  {
+    assert(size >= _height * _width * sizeof(T));
+  }
+
+public:
+  /**
+   * @brief     Get matrix data from arm compute tensor to base
+   * @param[in] tensor  Tensor object of arm compute to get data
+   * @return    N/A
+   */
+  void pull(::arm_compute::ITensor &tensor) const override
+  {
+    assert(tensor.info()->dimension(0) == _width);
+    assert(tensor.info()->dimension(1) == _height);
+
+    using ::arm_compute::Window;
+    using ::arm_compute::Iterator;
+    using ::arm_compute::Coordinates;
+    using ::arm_compute::execute_window_loop;
+
+    Window window;
+
+    window.use_tensor_dimensions(tensor.info()->tensor_shape(), ::arm_compute::Window::DimY);
+
+    Iterator it(&tensor, window);
+    execute_window_loop(window,
+                        [&](const ::arm_compute::Coordinates &id) {
+                          const auto row = id.y();
+                          memcpy(_base + row * _width, it.ptr(), _width * sizeof(T));
+                        },
+                        it);
+  }
+
+private:
+  const int32_t _height;
+  const int32_t _width;
+
+private:
+  T *const _base;
+};
+
+#endif // __INTERNAL_MATRIX_SINK_H__