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authorChunseok Lee <chunseok.lee@samsung.com>2020-03-05 15:10:09 +0900
committerChunseok Lee <chunseok.lee@samsung.com>2020-03-05 15:22:53 +0900
commitd91a039e0eda6fd70dcd22672b8ce1817c1ca50e (patch)
tree62668ec548cf31fadbbf4e99522999ad13434a25 /runtimes/neurun/core/src/exec/interp/Buffer.h
parentbd11b24234d7d43dfe05a81c520aa01ffad06e42 (diff)
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Diffstat (limited to 'runtimes/neurun/core/src/exec/interp/Buffer.h')
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+/*
+ * Copyright (c) 2019 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 Buffer.h
+ * @brief This file contains Buffer interface and InternalBuffer, ExternalBuffer class
+ */
+#ifndef __NEURUN_EXEC_INTERP_BUFFER_H__
+#define __NEURUN_EXEC_INTERP_BUFFER_H__
+
+#include <cpp14/memory.h>
+
+#include "model/Data.h"
+
+namespace neurun
+{
+namespace exec
+{
+namespace interp
+{
+
+/**
+ * @brief Interface for writable data area
+ */
+class Buffer : public model::Data
+{
+public:
+ /**
+ * @brief Return writable pointer for data area
+ * @return Writable pointer
+ */
+ virtual uint8_t *baseWritable(void) const = 0;
+};
+
+/**
+ * @brief Class for internally allocated data area
+ */
+class InternalBuffer final : public Buffer
+{
+public:
+ InternalBuffer(size_t size) : _base{nnfw::cpp14::make_unique<uint8_t[]>(size)}, _size{size}
+ {
+ // DO NOTHING
+ }
+
+public:
+ size_t size(void) const override { return _size; }
+ const uint8_t *base(void) const override { return _base.get(); }
+ uint8_t *baseWritable(void) const override { return _base.get(); }
+
+private:
+ std::unique_ptr<uint8_t[]> _base;
+ size_t _size;
+};
+
+/**
+ * @brief Class for data area from outside
+ */
+class ExternalBuffer final : public Buffer
+{
+public:
+ ExternalBuffer(uint8_t *base, size_t size) : _base{base}, _size{size}
+ {
+ // DO NOTHING
+ }
+
+public:
+ size_t size(void) const override { return _size; }
+ const uint8_t *base(void) const override { return _base; }
+ uint8_t *baseWritable(void) const override { return _base; }
+
+private:
+ uint8_t *_base;
+ size_t _size;
+};
+
+} // namespace interp
+} // namespace exec
+} // namespace neurun
+
+#endif // __NEURUN_EXEC_INTERP_BUFFER_H__