/*
 * Copyright (c) 2016-2019 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_CLCOLORCONVERTKERNEL_H
#define ARM_COMPUTE_CLCOLORCONVERTKERNEL_H

#include "arm_compute/core/CL/ICLKernel.h"

namespace arm_compute
{
class ICLMultiImage;
class ICLTensor;
using ICLImage = ICLTensor;

/** Interface for the color convert kernel.
 *
 */
class CLColorConvertKernel : public ICLKernel
{
public:
    /** Default constructor. */
    CLColorConvertKernel();
    /** Prevent instances of this class from being copied (As this class contains pointers) */
    CLColorConvertKernel(const CLColorConvertKernel &) = delete;
    /** Prevent instances of this class from being copied (As this class contains pointers) */
    CLColorConvertKernel &operator=(const CLColorConvertKernel &) = delete;
    /** Allow instances of this class to be moved */
    CLColorConvertKernel(CLColorConvertKernel &&) = default;
    /** Allow instances of this class to be moved */
    CLColorConvertKernel &operator=(CLColorConvertKernel &&) = default;
    /** Default destructor. */
    ~CLColorConvertKernel() = default;

    /** Set the input and output of the kernel
     *
     * @param[in]  input  Source tensor. Formats supported: RGBA8888/UYVY422/YUYV422/RGB888
     * @param[out] output Destination tensor. Formats supported: RGB888 (if the formats of @p input are RGBA8888/UYVY422/YUYV422),
     *                                                          RGBA8888 (if the formats of @p input are UYVY422/YUYV422/RGB888/),
     *                                                          U8 (if the formats of @p input is RGB888)
     */
    void configure(const ICLTensor *input, ICLTensor *output);
    /** Set the input and output of the kernel
     *
     * @param[in]  input  Multi-planar source image. Formats supported: NV12/NV21/IYUV
     * @param[out] output Single-planar destination image. Formats supported: RGB888/RGBA8888
     */
    void configure(const ICLMultiImage *input, ICLImage *output);
    /** Set the input and output of the kernel
     *
     * @param[in]  input  Single-planar source image. Formats supported: RGB888/RGBA8888/UYVY422/YUYV422
     * @param[out] output Multi-planar destination image. Formats supported: NV12/IYUV/YUV444 (if the formats of @p input are RGB888/RGB8888)
     */
    void configure(const ICLImage *input, ICLMultiImage *output);
    /** Set the input and output of the kernel
     *
     * @param[in]  input  Multi-planar source image. Formats supported: NV12/NV21/IYUV
     * @param[out] output Multi-planar destination image. Formats supported: YUV444/IYUV (if the formats of @p input are NV12/NV21)/NV12 (if the format of  @p input is IYUV)
     */
    void configure(const ICLMultiImage *input, ICLMultiImage *output);

    // Inherited methods overridden:
    void run(const Window &window, cl::CommandQueue &queue) override;

private:
    const ICLTensor     *_input;        /*pointer to single planar tensor input */
    ICLTensor           *_output;       /*pointer to single planar tensor output */
    const ICLMultiImage *_multi_input;  /*pointer to multi-planar input */
    ICLMultiImage       *_multi_output; /*pointer to multi-planar output */
};
} // namespace arm_compute
#endif /* ARM_COMPUTE_CLCOLORCONVERTKERNEL_H */