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

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2018-2026 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 __NVWARP_CUBEMAP__
#define __NVWARP_CUBEMAP__
 
#include "NVWarp360.h"
 
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
 
 
typedef enum nvwarpFaceID_t {
    NVWARP_FRONT    = 0,    
    NVWARP_RIGHT    = 1,    
    NVWARP_BACK     = 2,    
    NVWARP_LEFT     = 3,    
    NVWARP_TOP      = 4,    
    NVWARP_BOTTOM   = 5     
} nvwarpFaceID_t;
 
 
typedef struct nvwarpFaceDescription_t {
    unsigned        x;      
    unsigned        y;      
    nvwarpFaceID_t  to;     
    nvwarpFaceID_t  up;     
} nvwarpFaceDescription_t;
 
 
nvwarpResult nvwarpIntoCubemap(nvwarpHandle han, cudaStream_t stream, cudaTextureObject_t srcTex,
    const nvwarpFaceDescription_t faceDesc[6], unsigned faceDim, int interpolateEdges, void *dstAddr, size_t dstRowBytes);
 
 
// Face descriptions for various popular cube map formats.
//    nvwarpFaceDescription_t HCross[6] = {
//        { faceDim * 0, faceDim * 1, NVWARP_LEFT,   NVWARP_TOP   },
//        { faceDim * 1, faceDim * 1, NVWARP_FRONT,  NVWARP_TOP   },
//        { faceDim * 2, faceDim * 1, NVWARP_RIGHT,  NVWARP_TOP   },
//        { faceDim * 3, faceDim * 1, NVWARP_BACK,   NVWARP_TOP   },
//        { faceDim * 1, faceDim * 0, NVWARP_TOP,    NVWARP_BACK  },
//        { faceDim * 1, faceDim * 2, NVWARP_BOTTOM, NVWARP_FRONT },
//    };
//    nvwarpFaceDescription_t Continuous2x3[6] = {
//        { faceDim * 0, faceDim * 0, NVWARP_LEFT,   NVWARP_TOP  },
//        { faceDim * 1, faceDim * 0, NVWARP_FRONT,  NVWARP_TOP  },
//        { faceDim * 2, faceDim * 0, NVWARP_RIGHT,  NVWARP_TOP  },
//        { faceDim * 0, faceDim * 1, NVWARP_TOP,    NVWARP_LEFT },
//        { faceDim * 1, faceDim * 1, NVWARP_BACK,   NVWARP_LEFT },
//        { faceDim * 2, faceDim * 1, NVWARP_BOTTOM, NVWARP_LEFT },
//    };
//    nvwarpFaceDescription_t Pano2VR2x3[6] = {
//        { faceDim * 0, faceDim * 0, NVWARP_LEFT,   NVWARP_TOP   },
//        { faceDim * 1, faceDim * 0, NVWARP_FRONT,  NVWARP_TOP   },
//        { faceDim * 2, faceDim * 0, NVWARP_RIGHT,  NVWARP_TOP   },
//        { faceDim * 0, faceDim * 1, NVWARP_BACK,   NVWARP_TOP   },
//        { faceDim * 1, faceDim * 1, NVWARP_TOP,    NVWARP_BACK  },
//        { faceDim * 2, faceDim * 1, NVWARP_BOTTOM, NVWARP_FRONT },
//    };
//    nvwarpFaceDescription_t F2x3[6] = {
//        { faceDim * 0, faceDim * 0, NVWARP_FRONT,   NVWARP_TOP   },
//        { faceDim * 1, faceDim * 0, NVWARP_BACK,    NVWARP_TOP   },
//        { faceDim * 2, faceDim * 0, NVWARP_TOP,     NVWARP_BACK  },
//        { faceDim * 0, faceDim * 1, NVWARP_BOTTOM,  NVWARP_FRONT },
//        { faceDim * 1, faceDim * 1, NVWARP_LEFT,    NVWARP_TOP   },
//        { faceDim * 2, faceDim * 1, NVWARP_RIGHT,   NVWARP_TOP   },
//    };
 
 
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // __NVWARP_CUBEMAP__