/*
 * Copyright (c) 2022 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 ENABLE_EXPERIMENTAL_DYNAMIC_FUSION
#error "This experimental feature must be enabled with -DENABLE_EXPERIMENTAL_DYNAMIC_FUSION"
#endif /* ENABLE_EXPERIMENTAL_DYNAMIC_FUSION */

#ifndef ARM_COMPUTE_EXPERIMENTAL_DYNAMICFUSION_CLCOMPOSITEKERNEL_H
#define ARM_COMPUTE_EXPERIMENTAL_DYNAMICFUSION_CLCOMPOSITEKERNEL_H

#include "arm_compute/core/experimental/ClWorkload.h"
#include "src/gpu/cl/ClCompileContext.h"
#include "src/gpu/cl/IClKernel.h"

namespace arm_compute
{
namespace experimental
{
namespace dynamic_fusion
{
struct ClExecutionDescriptor;
struct ClKernelCode;

class ClCompositeKernel final : public opencl::IClKernel
{
public:
    void configure(const opencl::ClCompileContext &, const ClKernelCode &);

    /** Run the composite kernel
     * @note The slots / keys in ITensorPack are the argument Ids of the tensors in blueprint
     *
     * @param tensors   ITensorPack object containing run-time tensor memories
     * @param window    Execution window
     * @param queue     OpenCL Command queue
     * @param exec_desc Descriptor containing execution information
     */
    virtual void run_composite_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue, const ClExecutionDescriptor &exec_desc) override;

private:
    /** Set a kernel tensor argument
     *
     * @param[in,out] idx       Index at which to start adding the tensor's arguments. Will be incremented by the number of kernel arguments set.
     * @param[in]     arg       Kernel argument descriptor accompanying @p tensor
     * @param[in]     tensor    Tensor to set as an argument of the object's kernel.
     * @param[in]     arg_slice Window the kernel will be run on.
     * @param[out]    cl_images Extra cl images created from the tensor (will need to be retained until the kernel is enqueued)
     */
    inline void add_tensor_argument(unsigned int &idx, const ClKernelArgDescriptor &arg, const ICLTensor *tensor, const Window &arg_slice, std::vector<cl::Image2D> &cl_images);

private:
    ClKernelArgList _arguments{}; /** All kernel arguments required by runtime */
};

} // namespace dynamic_fusion
} // namespace experimental
} // namespace arm_compute
#endif // ARM_COMPUTE_EXPERIMENTAL_DYNAMICFUSION_CLCOMPOSITEKERNEL_H