sources/libs/nvdewarper/Warp360/src/NVWarp360Kernel.h

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2017-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: Apache-2.0
 *
 * 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.
 */
#ifndef __WARP360_KERNEL_H__
#define __WARP360_KERNEL_H__
 
#include <cuda.h>
#include <cuda_runtime.h>
#include "NVWarp360.h"
 
 
/****************************************************************************/
struct Warp360KernelParams
{
    float       srcX0;          
    float       srcY0;          
    float       srcFocLenX;     
    float       srcFocLenY;     
    float       srcDist[5];     
    float       srcRot[9];      
    unsigned    dstWidth;       
    unsigned    dstHeight;      
    float       dstX0;          
    float       dstY0;          
    float       dstInvFocLenX;  
    float       dstInvFocLenY;  
    float       control;        
};
 
 
/****************************************************************************/
template<nvwarpSurface_t Tsrc, nvwarpSurface_t Tdst> __host__ cudaError_t Warp(dim3 dim_grid, dim3 dim_block, cudaStream_t stream,
    const Warp360KernelParams *params, cudaTextureObject_t srcTex, cudaSurfaceObject_t dstSurface);
 
 
/****************************************************************************/
template<nvwarpSurface_t Tsrc, nvwarpSurface_t Tdst> __host__  cudaError_t Warp(dim3 dim_grid, dim3 dim_block, cudaStream_t stream,
    const Warp360KernelParams *params, cudaTextureObject_t srcTex, void *dstAddr, size_t dstRowBytes);
 
 
 
 
__host__ void NV12RGBABuffer(cudaStream_t stream, const nvwarpYUVRGBParams_t *params, const unsigned char *yuv, size_t yuvRowBytes, uchar4 *dst, size_t dstRowBytes);
 
 
 
#endif /* __WARP360_KERNEL_H__ */