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/*
* Copyright (c) 2017-2020 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_CLGAUSSIANPYRAMID_H
#define ARM_COMPUTE_CLGAUSSIANPYRAMID_H
#include "arm_compute/core/IPyramid.h"
#include "arm_compute/core/Types.h"
#include "arm_compute/runtime/CL/CLPyramid.h"
#include "arm_compute/runtime/CL/functions/CLGaussian5x5.h"
#include "arm_compute/runtime/IFunction.h"
#include <cstdint>
#include <memory>
namespace arm_compute
{
class CLCompileContext;
class CLFillBorderKernel;
class ICLTensor;
class CLGaussianPyramidHorKernel;
class CLGaussianPyramidVertKernel;
class CLScaleKernel;
/** Common interface for all Gaussian pyramid functions */
class CLGaussianPyramid : public IFunction
{
public:
/** Constructor */
CLGaussianPyramid();
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLGaussianPyramid(const CLGaussianPyramid &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLGaussianPyramid &operator=(const CLGaussianPyramid &) = delete;
/** Allow instances of this class to be moved */
CLGaussianPyramid(CLGaussianPyramid &&) = default;
/** Allow instances of this class to be moved */
CLGaussianPyramid &operator=(CLGaussianPyramid &&) = default;
/** Default destructor */
~CLGaussianPyramid();
/** Initialise the function's source, destinations and border mode.
*
* @param[in, out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
* @param[out] pyramid Destination pyramid tensors, Data types supported at each level: U8.
* @param[in] border_mode Border mode to use.
* @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
*
*/
virtual void configure(ICLTensor *input, CLPyramid *pyramid, BorderMode border_mode, uint8_t constant_border_value = 0) = 0;
/** Initialise the function's source, destinations and border mode.
*
* @param[in] compile_context The compile context to be used.
* @param[in, out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
* @param[out] pyramid Destination pyramid tensors, Data types supported at each level: U8.
* @param[in] border_mode Border mode to use.
* @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
*
*/
virtual void configure(const CLCompileContext &compile_context, ICLTensor *input, CLPyramid *pyramid, BorderMode border_mode, uint8_t constant_border_value = 0) = 0;
protected:
ICLTensor *_input;
CLPyramid *_pyramid;
CLPyramid _tmp;
};
/** Basic function to execute gaussian pyramid with HALF scale factor. This function calls the following OpenCL kernels:
*
* -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
* -# @ref CLGaussianPyramidHorKernel
* -# @ref CLGaussianPyramidVertKernel
*/
class CLGaussianPyramidHalf : public CLGaussianPyramid
{
public:
/** Constructor */
CLGaussianPyramidHalf();
/** Prevent instances of this class from being copied */
CLGaussianPyramidHalf(const CLGaussianPyramidHalf &) = delete;
/** Prevent instances of this class from being copied */
CLGaussianPyramidHalf &operator=(const CLGaussianPyramidHalf &) = delete;
/** Default destructor */
~CLGaussianPyramidHalf();
// Inherited methods overridden:
void configure(ICLTensor *input, CLPyramid *pyramid, BorderMode border_mode, uint8_t constant_border_value) override;
void configure(const CLCompileContext &compile_context, ICLTensor *input, CLPyramid *pyramid, BorderMode border_mode, uint8_t constant_border_value) override;
void run() override;
private:
std::vector<std::unique_ptr<CLFillBorderKernel>> _horizontal_border_handler;
std::vector<std::unique_ptr<CLFillBorderKernel>> _vertical_border_handler;
std::vector<std::unique_ptr<CLGaussianPyramidHorKernel>> _horizontal_reduction;
std::vector<std::unique_ptr<CLGaussianPyramidVertKernel>> _vertical_reduction;
};
/** Basic function to execute gaussian pyramid with ORB scale factor. This function calls the following OpenCL kernels and functions:
*
* -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
* -# @ref CLGaussian5x5
* -# @ref CLScaleKernel
*/
class CLGaussianPyramidOrb : public CLGaussianPyramid
{
public:
/** Constructor */
CLGaussianPyramidOrb();
// Inherited methods overridden:
void configure(ICLTensor *input, CLPyramid *pyramid, BorderMode border_mode, uint8_t constant_border_value) override;
void configure(const CLCompileContext &compile_context, ICLTensor *input, CLPyramid *pyramid, BorderMode border_mode, uint8_t constant_border_value) override;
void run() override;
private:
std::vector<CLGaussian5x5> _gauss5x5;
std::vector<std::unique_ptr<CLScaleKernel>> _scale_nearest;
};
}
#endif /*ARM_COMPUTE_CLGAUSSIANPYRAMID_H */
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