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/*
* Copyright (c) 2024 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 ACL_SRC_GPU_CL_OPERATORS_CLSCATTER_H
#define ACL_SRC_GPU_CL_OPERATORS_CLSCATTER_H
#include "arm_compute/function_info/ScatterInfo.h"
#include "src/gpu/cl/IClKernel.h"
#include "src/gpu/cl/IClOperator.h"
#include <memory>
namespace arm_compute
{
namespace opencl
{
// Forward declaration
class ClFillKernel;
class ClScatterKernel;
class ClCopyKernel;
/** Basic operator to execute Scatter on OpenCL. This operator calls the following OpenCL kernels:
*
* -# @ref kernels::ClScatterKernel
*/
class ClScatter : public IClOperator
{
public:
/** Constructor */
ClScatter();
/** Default destructor */
~ClScatter() = default;
/** Initialise the kernel's inputs and output
*
* Valid data layouts:
* - All
*
* @note indices must always be S32.
* @note Negative indices are treated as out of bounds.
* @note src, updates and dst tensors must be same datatype.
*
* @param[in] compile_context The compile context to be used.
* @param[in] src Source input tensor info. Can be nullptr when using "Add" Scatter Function with zero initialization.
* @param[in] updates Tensor info for tensor storing update values to use for scatter function. Data types supported: same as @p src.
* @param[in] indices Tensor info for tensor storing indices to use for scatter function. Data types supported: S32 only.
* @param[out] dst Output tensor to store the result of the Scatter Function. Data types supported: same as @p src and @p updates.
* @param[in] Scatter_info Contains Scatter operation information described in @ref ScatterInfo.
*/
void configure(const CLCompileContext &compile_context,
const ITensorInfo *src,
const ITensorInfo *updates,
const ITensorInfo *indices,
ITensorInfo *dst,
const ScatterInfo &Scatter_info);
/** Static function to check if given info will lead to a valid configuration
*
* Similar to @ref ClScatter::configure()
*
* @return a status
*/
static Status validate(const ITensorInfo *src,
const ITensorInfo *updates,
const ITensorInfo *indices,
const ITensorInfo *dst,
const ScatterInfo &Scatter_info);
// Inherited methods overridden:
void run(ITensorPack &tensors) override;
private:
std::unique_ptr<opencl::IClKernel> _scatter_kernel{nullptr};
std::unique_ptr<opencl::IClKernel> _fill_kernel{nullptr};
std::unique_ptr<opencl::IClKernel> _copy_kernel{nullptr};
bool _fill_zero{false};
bool _run_copy{false};
};
} // namespace opencl
} // namespace arm_compute
#endif // ACL_SRC_GPU_CL_OPERATORS_CLSCATTER_H
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