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/*
* Copyright (c) 2021 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 ARM_COMPUTE_CLCONCATENATE_H
#define ARM_COMPUTE_CLCONCATENATE_H
#include "src/gpu/cl/ClCompileContext.h"
#include "src/gpu/cl/IClKernel.h"
#include "src/gpu/cl/IClOperator.h"
#include <vector>
namespace arm_compute
{
namespace opencl
{
/** Basic function to execute concatenate tensors along a given axis. This function calls the following kernels:
*
* -# @ref kernels::ClWidthConcatenateKernel (if underlying concatenation axis is 0).
* -# @ref kernels::ClHeightConcatenateKernel (if underlying concatenation axis is 1).
* -# @ref kernels::ClDepthConcatenateKernel (if underlying concatenation axis is 2).
* -# @ref kernels::ClBatchConcatenateKernel (if underlying concatenation axis is 3).
*/
class ClConcatenate : public IClOperator
{
public:
ClConcatenate() = default;
/** Initialise the kernel's inputs vector and dst.
*
* @note Input and dst tensor dimensions preconditions defer depending on the concatenation axis.
* @note Preconditions can be found respectively at @ref kernels::ClWidthConcatenateKernel,
* @ref kernels::ClHeightConcatenateKernel and @ref kernels::ClDepthConcatenateKernel.
*
*
* @param[in] compile_context The compile context to be used.
* @param[in,out] src_vector The vectors containing all the tensors info to concatenate. Data types supported: All
* @param[out] dst Destination tensor info. Data types supported: same as @p src_vector.
* @param[in] axis Concatenation axis. Supported underlying concatenation axis are 0, 1, 2 and 3.
*/
void configure(const ClCompileContext &compile_context,
const std::vector<ITensorInfo *> &src_vector,
ITensorInfo *dst,
size_t axis);
/** Static function to check if given info will lead to a valid configuration
*
* Similar to @ref ClConcatenate::configure()
*
* @return a status
*/
static Status validate(const std::vector<const ITensorInfo *> &src_vector, const ITensorInfo *dst, size_t axis);
// Inherited methods overridden:
void run(ITensorPack &tensors) override;
private:
std::vector<std::unique_ptr<IClKernel>> _concat_kernels{};
unsigned int _num_inputs{0};
unsigned int _axis{0};
};
} // namespace opencl
} // namespace arm_compute
#endif /* ARM_COMPUTE_CL_CONCATENATE_H */
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