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/*
* Copyright (c) 2016-2020 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_CLACTIVATIONLAYER_H
#define ARM_COMPUTE_CLACTIVATIONLAYER_H
#include "arm_compute/runtime/CL/ICLOperator.h"
#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
#include "arm_compute/core/Types.h"
namespace arm_compute
{
class ICLTensor;
/** Basic function to run @ref CLActivationLayerKernel
*
* @note The function simulates an activation layer with the specified activation function.
*/
class CLActivationLayer : public IFunction
{
public:
/** Constructor
*
* @param[in] ctx Runtime context to be used by the function
*/
CLActivationLayer(CLRuntimeContext *ctx = nullptr);
/** Destructor */
~CLActivationLayer();
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLActivationLayer(const CLActivationLayer &) = delete;
/** Default move constructor */
CLActivationLayer(CLActivationLayer &&);
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLActivationLayer &operator=(const CLActivationLayer &) = delete;
/** Default move assignment operator */
CLActivationLayer &operator=(CLActivationLayer &&);
/** Set the input and output tensor.
*
* @note If the output tensor is a nullptr or is equal to the input, the activation function will be performed in-place
*
* @param[in, out] input Source tensor. In case of @p output tensor = nullptr, this tensor will store the result
* of the activation function. Data types supported: QASYMM8/QASYMM8_SIGNED/QSYMM16/F16/F32.
* @param[out] output Destination tensor. Data type supported: same as @p input
* @param[in] act_info Activation layer parameters.
*/
void configure(ICLTensor *input, ICLTensor *output, ActivationLayerInfo act_info);
/** Set the input and output tensor.
*
* @note If the output tensor is a nullptr or is equal to the input, the activation function will be performed in-place
*
* @param[in] compile_context The compile context to be used.
* @param[in, out] input Source tensor. In case of @p output tensor = nullptr, this tensor will store the result
* of the activation function. Data types supported: QASYMM8/QASYMM8_SIGNED/QSYMM16/F16/F32.
* @param[out] output Destination tensor. Data type supported: same as @p input
* @param[in] act_info Activation layer parameters.
*/
void configure(const CLCompileContext &compile_context, ICLTensor *input, ICLTensor *output, ActivationLayerInfo act_info);
/** Static function to check if given info will lead to a valid configuration of @ref CLActivationLayer
*
* @param[in] input Source tensor info. In case of @p output tensor info = nullptr, this tensor will store the result
* of the activation function. Data types supported: QASYMM8/QASYMM8_SIGNED/QSYMM16/F16/F32.
* @param[in] output Destination tensor info. Data type supported: same as @p input
* @param[in] act_info Activation layer information.
*
* @return a status
*/
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const ActivationLayerInfo &act_info);
// Inherited methods overridden:
void run() override;
private:
struct Impl;
std::unique_ptr<Impl> _impl;
};
namespace experimental
{
/** Basic function to run @ref CLActivationLayerKernel */
class CLActivation : public ICLOperator
{
public:
/** Set the input and output tensor.
*
* @param[in] compile_context The compile context to be used.
* @param[in, out] input Source tensor info. In case of @p output tensor = nullptr, this tensor will store the result
* of the activation function. Data types supported: QASYMM8/QASYMM8_SIGNED/QSYMM16/F16/F32.
* @param[out] output Destination tensor info. Data type supported: same as @p input
* @param[in] act_info Activation layer parameters.
*/
void configure(const CLCompileContext &compile_context, ITensorInfo *input, ITensorInfo *output, ActivationLayerInfo act_info);
/** Static function to check if given info will lead to a valid configuration of @ref CLActivationLayer
*
* @param[in] input Source tensor info. In case of @p output tensor info = nullptr, this tensor will store the result
* of the activation function. Data types supported: QASYMM8/QASYMM8_SIGNED/QSYMM16/F16/F32.
* @param[in] output Destination tensor info. Data type supported: same as @p input
* @param[in] act_info Activation layer information.
*
* @return a status
*/
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const ActivationLayerInfo &act_info);
};
} // namespace experimental
} // namespace arm_compute
#endif /* ARM_COMPUTE_CLACTIVATIONLAYER_H */
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