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+/*
+ * Copyright (c) 2023 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef CKW_SRC_CL_HELPERS_CLMEMORYOPBUFFERHELPER_H
+#define CKW_SRC_CL_HELPERS_CLMEMORYOPBUFFERHELPER_H
+
+#include "src/cl/helpers/ICLMemoryOpHelper.h"
+
+#include <cstdint>
+#include <string>
+#include <vector>
+
+namespace ckw
+{
+
+// Forward Declarations
+class CLKernelWriter;
+class CLTile;
+template <class CLTile>
+class TileView;
+enum class MemoryOperation;
+
+/** Helper class to write memory operations (like load/store) in OpenCL
+ */
+class CLMemoryOpBufferHelper : public ICLMemoryOpHelper
+{
+public:
+ /** Constructor similar to @ref ICLMemoryOpHelper() */
+ CLMemoryOpBufferHelper(CLKernelWriter *writer,
+ ITensor *tensor,
+ TensorSampler *sampler,
+ MemoryOperation op,
+ const TileView<CLTile> &dst)
+ : ICLMemoryOpHelper(writer, tensor, sampler, op, dst)
+ {
+ }
+
+ /** Copy constructor */
+ CLMemoryOpBufferHelper(const CLMemoryOpBufferHelper &) = delete;
+
+ /** Assignment operator overload */
+ CLMemoryOpBufferHelper &operator=(const CLMemoryOpBufferHelper &) = delete;
+
+ // Methods overridden
+ void initialize(const CLTile *x, const CLTile *z, const CLTile *b) override;
+ void write_row(int32_t row_id, const std::string &coord_y) override;
+ void finalize() override;
+
+private:
+ struct LeftoverDescriptor
+ {
+ LeftoverDescriptor(const std::string &dst, const std::string &coord, const std::string &statement)
+ : dst(dst), coord(coord), statement(statement)
+ {
+ }
+
+ std::string dst{}; // Describes the destination tile or part of it
+ std::string coord{}; // Describes the coordinate to be used in boundary checks
+ std::string statement{}; // Describes the memory operation statement
+ };
+
+ std::vector<int32_t> _ls_width_part{};
+ std::vector<LeftoverDescriptor> _leftovers_x{};
+ std::string _coord_orig_z{};
+
+ static bool validate(const CLKernelWriter *writer,
+ const ITensor *tensor,
+ const TensorSampler *sampler,
+ const Tensor3dMapper *mapper,
+ MemoryOperation op,
+ const TileView<CLTile> &dst);
+
+ void out_of_bound_initialize_x(const std::string &coord);
+ void out_of_bound_finalize_x();
+ void out_of_bound_initialize_y(const std::string &coord);
+ void out_of_bound_finalize_y(const std::string &dst);
+ void out_of_bound_initialize_z(const std::string &coord);
+ void out_of_bound_finalize_z();
+
+ std::string
+ to_statement(MemoryOperation op, int32_t vector_width, const std::string &data, const std::string &address) const;
+ std::string
+ to_buffer_address(const std::string &x, const std::string &y, const std::string &z, const std::string &b) const;
+};
+} // namespace ckw
+
+#endif // CKW_SRC_CL_HELPERS_CLMEMORYOPBUFFERHELPER_H