Program Listing for File OpWarpPerspective.h

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2022-2023 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 CVCUDA_WARP_PERSPECTIVE_H
#define CVCUDA_WARP_PERSPECTIVE_H

#include "Operator.h"
#include "Types.h"
#include "detail/Export.h"

#include <cuda_runtime.h>
#include <nvcv/BorderType.h>
#include <nvcv/ImageBatch.h>
#include <nvcv/Status.h>
#include <nvcv/Tensor.h>

// @brief storage for perspective transform matrix (row major)
typedef float NVCVPerspectiveTransform[9];

#ifdef __cplusplus
extern "C"
{
#endif

CVCUDA_PUBLIC NVCVStatus cvcudaWarpPerspectiveCreate(NVCVOperatorHandle *handle, const int32_t maxVarShapeBatchSize);

CVCUDA_PUBLIC NVCVStatus cvcudaWarpPerspectiveSubmit(NVCVOperatorHandle handle, cudaStream_t stream,
                                                     NVCVTensorHandle in, NVCVTensorHandle out,
                                                     const NVCVPerspectiveTransform transMatrix, const int32_t flags,
                                                     const NVCVBorderType borderMode, const float4 borderValue);

CVCUDA_PUBLIC NVCVStatus cvcudaWarpPerspectiveVarShapeSubmit(NVCVOperatorHandle handle, cudaStream_t stream,
                                                             NVCVImageBatchHandle in, NVCVImageBatchHandle out,
                                                             NVCVTensorHandle transMatrix, const int32_t flags,
                                                             const NVCVBorderType borderMode, const float4 borderValue);

#ifdef __cplusplus
}
#endif

#endif /* CVCUDA_WARP_PERSPECTIVE_H */