//
// Copyright 2017-2023 Valve Corporation.
//
// 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

#if defined(IPL_USES_RADEONRAYS)

#include "energy_field.h"
#include "opencl_buffer.h"

namespace ipl {

// --------------------------------------------------------------------------------------------------------------------
// OpenCLEnergyField
// --------------------------------------------------------------------------------------------------------------------

class OpenCLEnergyField : public EnergyField
{
public:
    static const int kMaxBins;

    OpenCLEnergyField(shared_ptr<OpenCLDevice> openCL,
                      float duration,
                      int order);

    cl_mem& buffer()
    {
        return mBuffer.buffer();
    }

    const cl_mem& buffer() const
    {
        return mBuffer.buffer();
    }

    virtual void reset() override;

    void copyDeviceToHost();

    void copyHostToDevice();

private:
    shared_ptr<OpenCLDevice> mOpenCL;
    OpenCLBuffer mBuffer;

    static int convertIntSat(float x);
};

}

#endif
