// Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include <memory>

#include "lite/core/kernel.h"
#include "lite/core/tensor.h"
#include "lite/operators/op_params.h"

#ifdef LITE_WITH_PROFILE
#include "lite/core/profile/profiler.h"
#endif

#include "lite/backends/metal/metal_context.h"
#include "lite/backends/metal/metal_debug.h"

namespace paddle {
namespace lite {
namespace kernels {
namespace metal {

class ActivationImageCompute
    : public KernelLite<TARGET(kMetal), PRECISION(kFloat), DATALAYOUT(kMetalTexture2DArray)> {
    using param_t = operators::ActivationParam;

   public:
    void PrepareForRun() override;
    void Run() override;
    void SaveOutput() override {
        MetalDebug::SaveOutput(function_name_, output_buffer_);
    };
    virtual ~ActivationImageCompute();

   private:
    void run_without_mps();
    void setup_without_mps();

    const MetalImage* input_buffer_;
    MetalImage* output_buffer_{nullptr};
    std::shared_ptr<MetalBuffer> param_buffer_;

    id<MTLComputePipelineState> pipline_;
    std::string function_name_;
    MetalContext* metal_context_;
};

}  // namespace metal
}  // namespace kernels
}  // namespace lite
}  // namespace paddle
