/*
MIT License

Copyright (c) 2019 - 2025 Advanced Micro Devices, Inc.

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.
*/

#include <hip/hip_runtime.h>
#include "rpp_hip_host_decls.hpp"

#define saturate_8u(value) ((value) > 255 ? 255 : ((value) < 0 ? 0 : (value)))

extern "C" __global__ void water_batch(unsigned char *input,
                                       unsigned char *output,
                                       float *ampl_x,
                                       float *ampl_y,
                                       float *freq_x,
                                       float *freq_y,
                                       float *phase_x,
                                       float *phase_y,
                                       unsigned int *xroi_begin,
                                       unsigned int *xroi_end,
                                       unsigned int *yroi_begin,
                                       unsigned int *yroi_end,
                                       unsigned int *height,
                                       unsigned int *width,
                                       unsigned int *max_height,
                                       unsigned int *max_width,
                                       unsigned long long *batch_index,
                                       const unsigned int channel,
                                       unsigned int *src_inc,
                                       unsigned int *dst_inc, // use width * height for pln and 1 for pkd
                                       const int in_plnpkdind,
                                       const int out_plnpkdind) // use 1 pln 3 for pkd
{
    int id_x = hipBlockIdx_x * hipBlockDim_x + hipThreadIdx_x;
    int id_y = hipBlockIdx_y * hipBlockDim_y + hipThreadIdx_y;
    int id_z = hipBlockIdx_z * hipBlockDim_z + hipThreadIdx_z;

    float water_wave_x, water_wave_y;

    float ampl_x_temp = ampl_x[id_z];
    float ampl_y_temp = ampl_y[id_z];
    float freq_x_temp = freq_x[id_z];
    float freq_y_temp = freq_y[id_z];
    float phase_x_temp = phase_x[id_z];
    float phase_y_temp = phase_y[id_z];

    long dst_pix_id = 0;
    dst_pix_id = batch_index[id_z] + (id_x + id_y * max_width[id_z]) * out_plnpkdind;
    long src_pix_id = 0;
    water_wave_x = id_x + ampl_x_temp * sin((freq_x_temp * id_y) + phase_x_temp);
    water_wave_y = id_y + ampl_y_temp * cos((freq_y_temp * id_x) + phase_y_temp);
    src_pix_id = batch_index[id_z] + ((int) water_wave_x + (int) water_wave_y * max_width[id_z]) * in_plnpkdind;

    if((id_y >= yroi_begin[id_z]) && (id_y <= yroi_end[id_z]) && (id_x >= xroi_begin[id_z]) && (id_x <= xroi_end[id_z]))
    {
        for(int indextmp = 0; indextmp < channel; indextmp++)
        {
            if(src_pix_id >= 0 && src_pix_id < (batch_index[id_z] + (max_width[id_z] * max_height[id_z] * channel)))
            {
                output[dst_pix_id] = input[src_pix_id];
            }
            dst_pix_id += dst_inc[id_z];
            src_pix_id += src_inc[id_z];
        }
    }
    else if((id_x < width[id_z]) && (id_y < height[id_z]))
    {
        for(int indextmp = 0; indextmp < channel; indextmp++)
        {
            output[dst_pix_id] = input[dst_pix_id];
            dst_pix_id += dst_inc[id_z];
        }
    }
}

extern "C" __global__ void water_batch_fp32(float *input,
                                            float *output,
                                            float *ampl_x,
                                            float *ampl_y,
                                            float *freq_x,
                                            float *freq_y,
                                            float *phase_x,
                                            float *phase_y,
                                            unsigned int *xroi_begin,
                                            unsigned int *xroi_end,
                                            unsigned int *yroi_begin,
                                            unsigned int *yroi_end,
                                            unsigned int *height,
                                            unsigned int *width,
                                            unsigned int *max_height,
                                            unsigned int *max_width,
                                            unsigned long long *batch_index,
                                            const unsigned int channel,
                                            unsigned int *src_inc,
                                            unsigned int *dst_inc, // use width * height for pln and 1 for pkd
                                            const int in_plnpkdind,
                                            const int out_plnpkdind) // use 1 pln 3 for pkd
{
    int id_x = hipBlockIdx_x * hipBlockDim_x + hipThreadIdx_x;
    int id_y = hipBlockIdx_y * hipBlockDim_y + hipThreadIdx_y;
    int id_z = hipBlockIdx_z * hipBlockDim_z + hipThreadIdx_z;

    float water_wave_x, water_wave_y;
    float ampl_x_temp = ampl_x[id_z];
    float ampl_y_temp = ampl_y[id_z];
    float freq_x_temp = freq_x[id_z];
    float freq_y_temp = freq_y[id_z];
    float phase_x_temp = phase_x[id_z];
    float phase_y_temp = phase_y[id_z];

    long dst_pix_id = 0;
    dst_pix_id = batch_index[id_z] + (id_x + id_y * max_width[id_z]) * out_plnpkdind;
    long src_pix_id = 0;
    water_wave_x = id_x + ampl_x_temp * sin((freq_x_temp * id_y) + phase_x_temp);
    water_wave_y = id_y + ampl_y_temp * cos((freq_y_temp * id_x) + phase_y_temp);
    src_pix_id = batch_index[id_z] + ((int) water_wave_x + (int) water_wave_y * max_width[id_z]) * in_plnpkdind;

    if((id_y >= yroi_begin[id_z]) && (id_y <= yroi_end[id_z]) && (id_x >= xroi_begin[id_z]) && (id_x <= xroi_end[id_z]))
    {
        for(int indextmp = 0; indextmp < channel; indextmp++)
        {
            if(src_pix_id >= 0 && src_pix_id < (batch_index[id_z] + (max_width[id_z] * max_height[id_z] * channel)))
            {
                output[dst_pix_id] = input[src_pix_id];
            }
            dst_pix_id += dst_inc[id_z];
            src_pix_id += src_inc[id_z];
        }
    }
    else if((id_x < width[id_z] ) && (id_y < height[id_z]))
    {
        for(int indextmp = 0; indextmp < channel; indextmp++)
        {
            output[dst_pix_id] = input[dst_pix_id];
            dst_pix_id += dst_inc[id_z];
        }
    }
}

// extern "C" __global__ void water_batch_fp16(  half* input,
//                             half* output,
//                             float *ampl_x,
//                             float *ampl_y,
//                             float *freq_x,
//                             float *freq_y,
//                             float *phase_x,
//                             float *phase_y,
//                             int *xroi_begin,
//                             int *xroi_end,
//                             int *yroi_begin,
//                             int *yroi_end,
//                             unsigned int *height,
//                             unsigned int *width,
//                             unsigned int *max_height,
//                             unsigned int *max_width,
//                             unsigned long *batch_index,
//                             const unsigned int channel,
//                             unsigned int *src_inc,
//                             unsigned int *dst_inc, // use width * height for pln and 1 for pkd
//                             const int in_plnpkdind,
//                             const int out_plnpkdind // use 1 pln 3 for pkd
//                             )
// {
//     int id_x = hipBlockIdx_x * hipBlockDim_x + hipThreadIdx_x;
//     int id_y = hipBlockIdx_y * hipBlockDim_y + hipThreadIdx_y;
//     int id_z = hipBlockIdx_z * hipBlockDim_z + hipThreadIdx_z;
//     half valuergb;
//     float water_wave_x, water_wave_y;
//     float ampl_x_temp = ampl_x[id_z];
//     float ampl_y_temp = ampl_y[id_z];
//     float freq_x_temp = freq_x[id_z];
//     float freq_y_temp = freq_y[id_z];
//     float phase_x_temp = phase_x[id_z];
//     float phase_y_temp = phase_y[id_z];
//     int img_width = width[id_z];

//     int img_height = height[id_z];
//     int indextmp=0;
//     long dst_pix_id = 0;
//     dst_pix_id = batch_index[id_z] + (id_x  + id_y * max_width[id_z] ) * out_plnpkdind ;
//     long src_pix_id = 0;
//     water_wave_x = id_x + ampl_x_temp * sin((freq_x_temp * id_y) + phase_x_temp);
//     water_wave_y = id_y + ampl_y_temp * cos((freq_y_temp * id_x) + phase_y_temp);
//     src_pix_id = batch_index[id_z] + ((int)water_wave_x + (int)water_wave_y * max_width[id_z]) * in_plnpkdind;
//     if((id_y >= yroi_begin[id_z] ) && (id_y <= yroi_end[id_z]) && (id_x >= xroi_begin[id_z]) && (id_x <= xroi_end[id_z]))
//     {
//         for(indextmp = 0; indextmp < channel; indextmp++)
//         {
//             if(src_pix_id >= 0 && src_pix_id < (batch_index[id_z] + (max_width[id_z] * max_height[id_z] * channel)))
//             {
//                 valuergb = input[src_pix_id];
//                 output[dst_pix_id] = valuergb;
//             }
//             dst_pix_id += dst_inc[id_z];
//             src_pix_id += src_inc[id_z];
//         }
//     }
//     else if((id_x < width[id_z] ) && (id_y < height[id_z])){
//             for(indextmp = 0; indextmp < channel; indextmp++){
//                 output[dst_pix_id] = input[dst_pix_id];
//                 dst_pix_id += dst_inc[id_z];
//             }
//         }
// }

extern "C" __global__ void water_batch_int8(signed char *input,
                                            signed char *output,
                                            float *ampl_x,
                                            float *ampl_y,
                                            float *freq_x,
                                            float *freq_y,
                                            float *phase_x,
                                            float *phase_y,
                                            unsigned int *xroi_begin,
                                            unsigned int *xroi_end,
                                            unsigned int *yroi_begin,
                                            unsigned int *yroi_end,
                                            unsigned int *height,
                                            unsigned int *width,
                                            unsigned int *max_height,
                                            unsigned int *max_width,
                                            unsigned long long *batch_index,
                                            const unsigned int channel,
                                            unsigned int *src_inc,
                                            unsigned int *dst_inc, // use width * height for pln and 1 for pkd
                                            const int in_plnpkdind,
                                            const int out_plnpkdind) // use 1 pln 3 for pkd
{
    int id_x = hipBlockIdx_x * hipBlockDim_x + hipThreadIdx_x;
    int id_y = hipBlockIdx_y * hipBlockDim_y + hipThreadIdx_y;
    int id_z = hipBlockIdx_z * hipBlockDim_z + hipThreadIdx_z;

    float water_wave_x, water_wave_y;
    float ampl_x_temp = ampl_x[id_z];
    float ampl_y_temp = ampl_y[id_z];
    float freq_x_temp = freq_x[id_z];
    float freq_y_temp = freq_y[id_z];
    float phase_x_temp = phase_x[id_z];
    float phase_y_temp = phase_y[id_z];

    long dst_pix_id = 0;
    dst_pix_id = batch_index[id_z] + (id_x + id_y * max_width[id_z]) * out_plnpkdind;
    long src_pix_id = 0;
    water_wave_x = id_x + ampl_x_temp * sin((freq_x_temp * id_y) + phase_x_temp);
    water_wave_y = id_y + ampl_y_temp * cos((freq_y_temp * id_x) + phase_y_temp);
    src_pix_id = batch_index[id_z] + ((int) water_wave_x + (int) water_wave_y * max_width[id_z]) * in_plnpkdind;

    if((id_y >= yroi_begin[id_z]) && (id_y <= yroi_end[id_z]) && (id_x >= xroi_begin[id_z]) && (id_x <= xroi_end[id_z]))
    {
        for(int indextmp = 0; indextmp < channel; indextmp++)
        {
            if(src_pix_id >= 0 && src_pix_id < (batch_index[id_z] + (max_width[id_z] * max_height[id_z] * channel)))
            {
                output[dst_pix_id] = input[src_pix_id];
            }
            dst_pix_id += dst_inc[id_z];
            src_pix_id += src_inc[id_z];
        }
    }
    else if((id_x < width[id_z] ) && (id_y < height[id_z]))
    {
        for(int indextmp = 0; indextmp < channel; indextmp++)
        {
            output[dst_pix_id] = input[dst_pix_id];
            dst_pix_id += dst_inc[id_z];
        }
    }
}

RppStatus hip_exec_water_batch(Rpp8u *srcPtr, Rpp8u *dstPtr, rpp::Handle& handle, RPPTensorFunctionMetaData &tensor_info, Rpp32s in_plnpkdind, Rpp32s out_plnpkdind, Rpp32u max_height, Rpp32u max_width)
{
    int localThreads_x = 32;
    int localThreads_y = 32;
    int localThreads_z = 1;
    int globalThreads_x = (max_width + 31) & ~31;
    int globalThreads_y = (max_height + 31) & ~31;
    int globalThreads_z = handle.GetBatchSize();
    InitHandle *handle_obj = handle.GetInitHandle();

    hipLaunchKernelGGL(water_batch,
                       dim3(ceil((float)globalThreads_x/localThreads_x), ceil((float)globalThreads_y/localThreads_y), ceil((float)globalThreads_z/localThreads_z)),
                       dim3(localThreads_x, localThreads_y, localThreads_z),
                       0,
                       handle.GetStream(),
                       srcPtr,
                       dstPtr,
                       handle_obj->mem.mgpu.floatArr[0].floatmem,
                       handle_obj->mem.mgpu.floatArr[1].floatmem,
                       handle_obj->mem.mgpu.floatArr[2].floatmem,
                       handle_obj->mem.mgpu.floatArr[3].floatmem,
                       handle_obj->mem.mgpu.floatArr[4].floatmem,
                       handle_obj->mem.mgpu.floatArr[5].floatmem,
                       handle_obj->mem.mgpu.roiPoints.x,
                       handle_obj->mem.mgpu.roiPoints.roiWidth,
                       handle_obj->mem.mgpu.roiPoints.y,
                       handle_obj->mem.mgpu.roiPoints.roiHeight,
                       handle_obj->mem.mgpu.srcSize.height,
                       handle_obj->mem.mgpu.srcSize.width,
                       handle_obj->mem.mgpu.maxSrcSize.height,
                       handle_obj->mem.mgpu.maxSrcSize.width,
                       handle_obj->mem.mgpu.srcBatchIndex,
                       tensor_info._in_channels,
                       handle_obj->mem.mgpu.inc,
                       handle_obj->mem.mgpu.dstInc,
                       in_plnpkdind,
                       out_plnpkdind);

    return RPP_SUCCESS;
}

RppStatus hip_exec_water_batch_fp16(Rpp16f *srcPtr, Rpp16f *dstPtr, rpp::Handle& handle, RPPTensorFunctionMetaData &tensor_info, Rpp32s in_plnpkdind, Rpp32s out_plnpkdind, Rpp32u max_height, Rpp32u max_width)
{
//     int localThreads_x = 32;
//     int localThreads_y = 32;
//     int localThreads_z = 1;
//     int globalThreads_x = (max_width + 31) & ~31;
//     int globalThreads_y = (max_height + 31) & ~31;
//     int globalThreads_z = handle.GetBatchSize();

//     hipLaunchKernelGGL(water_batch_fp16,
//                        dim3(ceil((float)globalThreads_x/localThreads_x), ceil((float)globalThreads_y/localThreads_y), ceil((float)globalThreads_z/localThreads_z)),
//                        dim3(localThreads_x, localThreads_y, localThreads_z),
//                        0,
//                        handle.GetStream(),
//                        srcPtr,
                        //   dstPtr,
                        //   handle_obj->mem.mgpu.floatArr[0].floatmem,
                        //   handle_obj->mem.mgpu.floatArr[1].floatmem,
                        //   handle_obj->mem.mgpu.floatArr[2].floatmem,
                        //   handle_obj->mem.mgpu.floatArr[3].floatmem,
                        //   handle_obj->mem.mgpu.floatArr[4].floatmem,
                        //   handle_obj->mem.mgpu.floatArr[5].floatmem,
                        //   handle_obj->mem.mgpu.roiPoints.x,
                        //   handle_obj->mem.mgpu.roiPoints.roiWidth,
                        //   handle_obj->mem.mgpu.roiPoints.y,
                        //   handle_obj->mem.mgpu.roiPoints.roiHeight,
                        //   handle_obj->mem.mgpu.srcSize.height,
                        //   handle_obj->mem.mgpu.srcSize.width,
                        //   handle_obj->mem.mgpu.maxSrcSize.height,
                        //   handle_obj->mem.mgpu.maxSrcSize.width,
                        //   handle_obj->mem.mgpu.srcBatchIndex,
                        //   tensor_info._in_channels,
                        //   handle_obj->mem.mgpu.inc,
                        //   handle_obj->mem.mgpu.dstInc,
                        //   in_plnpkdind,
                        //   out_plnpkdind);

    return RPP_SUCCESS;
}

RppStatus hip_exec_water_batch_fp32(Rpp32f *srcPtr, Rpp32f *dstPtr, rpp::Handle& handle, RPPTensorFunctionMetaData &tensor_info, Rpp32s in_plnpkdind, Rpp32s out_plnpkdind, Rpp32u max_height, Rpp32u max_width)
{
    int localThreads_x = 32;
    int localThreads_y = 32;
    int localThreads_z = 1;
    int globalThreads_x = (max_width + 31) & ~31;
    int globalThreads_y = (max_height + 31) & ~31;
    int globalThreads_z = handle.GetBatchSize();
    InitHandle *handle_obj = handle.GetInitHandle();

    hipLaunchKernelGGL(water_batch_fp32,
                       dim3(ceil((float)globalThreads_x/localThreads_x), ceil((float)globalThreads_y/localThreads_y), ceil((float)globalThreads_z/localThreads_z)),
                       dim3(localThreads_x, localThreads_y, localThreads_z),
                       0,
                       handle.GetStream(),
                       srcPtr,
                       dstPtr,
                       handle_obj->mem.mgpu.floatArr[0].floatmem,
                       handle_obj->mem.mgpu.floatArr[1].floatmem,
                       handle_obj->mem.mgpu.floatArr[2].floatmem,
                       handle_obj->mem.mgpu.floatArr[3].floatmem,
                       handle_obj->mem.mgpu.floatArr[4].floatmem,
                       handle_obj->mem.mgpu.floatArr[5].floatmem,
                       handle_obj->mem.mgpu.roiPoints.x,
                       handle_obj->mem.mgpu.roiPoints.roiWidth,
                       handle_obj->mem.mgpu.roiPoints.y,
                       handle_obj->mem.mgpu.roiPoints.roiHeight,
                       handle_obj->mem.mgpu.srcSize.height,
                       handle_obj->mem.mgpu.srcSize.width,
                       handle_obj->mem.mgpu.maxSrcSize.height,
                       handle_obj->mem.mgpu.maxSrcSize.width,
                       handle_obj->mem.mgpu.srcBatchIndex,
                       tensor_info._in_channels,
                       handle_obj->mem.mgpu.inc,
                       handle_obj->mem.mgpu.dstInc,
                       in_plnpkdind,
                       out_plnpkdind);

    return RPP_SUCCESS;
}

RppStatus hip_exec_water_batch_int8(Rpp8s *srcPtr, Rpp8s *dstPtr, rpp::Handle& handle, RPPTensorFunctionMetaData &tensor_info, Rpp32s in_plnpkdind, Rpp32s out_plnpkdind, Rpp32u max_height, Rpp32u max_width)
{
    int localThreads_x = 32;
    int localThreads_y = 32;
    int localThreads_z = 1;
    int globalThreads_x = (max_width + 31) & ~31;
    int globalThreads_y = (max_height + 31) & ~31;
    int globalThreads_z = handle.GetBatchSize();
    InitHandle *handle_obj = handle.GetInitHandle();

    hipLaunchKernelGGL(water_batch_int8,
                       dim3(ceil((float)globalThreads_x/localThreads_x), ceil((float)globalThreads_y/localThreads_y), ceil((float)globalThreads_z/localThreads_z)),
                       dim3(localThreads_x, localThreads_y, localThreads_z),
                       0,
                       handle.GetStream(),
                       srcPtr,
                       dstPtr,
                       handle_obj->mem.mgpu.floatArr[0].floatmem,
                       handle_obj->mem.mgpu.floatArr[1].floatmem,
                       handle_obj->mem.mgpu.floatArr[2].floatmem,
                       handle_obj->mem.mgpu.floatArr[3].floatmem,
                       handle_obj->mem.mgpu.floatArr[4].floatmem,
                       handle_obj->mem.mgpu.floatArr[5].floatmem,
                       handle_obj->mem.mgpu.roiPoints.x,
                       handle_obj->mem.mgpu.roiPoints.roiWidth,
                       handle_obj->mem.mgpu.roiPoints.y,
                       handle_obj->mem.mgpu.roiPoints.roiHeight,
                       handle_obj->mem.mgpu.srcSize.height,
                       handle_obj->mem.mgpu.srcSize.width,
                       handle_obj->mem.mgpu.maxSrcSize.height,
                       handle_obj->mem.mgpu.maxSrcSize.width,
                       handle_obj->mem.mgpu.srcBatchIndex,
                       tensor_info._in_channels,
                       handle_obj->mem.mgpu.inc,
                       handle_obj->mem.mgpu.dstInc,
                       in_plnpkdind,
                       out_plnpkdind);
    return RPP_SUCCESS;
}
