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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_CLKERNELWRITER_H
#define CKW_SRC_CL_CLKERNELWRITER_H
#include "ckw/KernelWriter.h"
#include <utility>
namespace ckw
{
/** OpenCL kernel writer. */
class CLKernelWriter : public KernelWriter
{
public:
// =============================================================================================
// Construtors and destructor
// =============================================================================================
/** Initialize a new instance of @ref CLKernelWriter class. */
CLKernelWriter();
/** Destructor */
~CLKernelWriter();
// =============================================================================================
// Misc
// =============================================================================================
void comment(const std::string &text) override;
// =============================================================================================
// Code generation
// =============================================================================================
std::unique_ptr<Kernel> emit_kernel(const std::string &name) override;
/** Declare a tile given name and tile information
*
* Similar to @ref KernelWriter::declare_tile()
*/
TileOperand &declare_tile(const ::std::string &name, const TileInfo &tile_info) override;
protected:
/** Append the specified code to the kernel body source code. */
template <typename T, typename... TArgs>
void append_code(T &&code, TArgs &&...args)
{
append_code(std::forward<T>(code));
append_code(std::forward<TArgs>(args)...);
}
/** Append the specified code to the kernel body source code. */
template <typename T>
void append_code(T &&code)
{
_body_source_code += std::forward<T>(code);
}
/** Get the current kernel body source code. */
const std::string &body_source_code() const;
/** Add a tile operand to the kernel and return it */
TileOperand &add_operand(const std::string &code, const TileInfo &tile_info) override;
private:
/** This string contains the kernel body source code, not the full CL source code.
* The full source code will only be generated when the user calls @ref KernelWriter::emit_kernel.
*
* In order to add code to this, use @ref CLKernelWriter::append_code.
* Do not attempt to concatenate and alter this string directly.
*/
std::string _body_source_code{};
};
} // namespace ckw
#endif // CKW_SRC_CL_CLKERNELWRITER_H
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