Program Listing for File OpWarpAffine.hpp
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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_AFFINE_HPP
#define CVCUDA_WARP_AFFINE_HPP
#include "IOperator.hpp"
#include "OpWarpAffine.h"
#include "Types.h"
#include <cuda_runtime.h>
#include <nvcv/ImageBatch.hpp>
#include <nvcv/ImageFormat.hpp>
#include <nvcv/Tensor.hpp>
#include <nvcv/alloc/Requirements.hpp>
namespace cvcuda {
class WarpAffine final : public IOperator
{
public:
explicit WarpAffine(const int32_t maxVarShapeBatchSize);
~WarpAffine();
void operator()(cudaStream_t stream, const nvcv::Tensor &in, const nvcv::Tensor &out,
const NVCVAffineTransform xform, const int32_t flags, const NVCVBorderType borderMode,
const float4 borderValue);
void operator()(cudaStream_t stream, const nvcv::ImageBatchVarShape &in, const nvcv::ImageBatchVarShape &out,
const nvcv::Tensor &transMatrix, const int32_t flags, const NVCVBorderType borderMode,
const float4 borderValue);
virtual NVCVOperatorHandle handle() const noexcept override;
private:
NVCVOperatorHandle m_handle;
};
inline WarpAffine::WarpAffine(const int32_t maxVarShapeBatchSize)
{
nvcv::detail::CheckThrow(cvcudaWarpAffineCreate(&m_handle, maxVarShapeBatchSize));
assert(m_handle);
}
inline WarpAffine::~WarpAffine()
{
nvcvOperatorDestroy(m_handle);
m_handle = nullptr;
}
inline void WarpAffine::operator()(cudaStream_t stream, const nvcv::Tensor &in, const nvcv::Tensor &out,
const NVCVAffineTransform xform, const int32_t flags,
const NVCVBorderType borderMode, const float4 borderValue)
{
nvcv::detail::CheckThrow(
cvcudaWarpAffineSubmit(m_handle, stream, in.handle(), out.handle(), xform, flags, borderMode, borderValue));
}
inline void WarpAffine::operator()(cudaStream_t stream, const nvcv::ImageBatchVarShape &in,
const nvcv::ImageBatchVarShape &out, const nvcv::Tensor &transMatrix,
const int32_t flags, const NVCVBorderType borderMode, const float4 borderValue)
{
nvcv::detail::CheckThrow(cvcudaWarpAffineVarShapeSubmit(m_handle, stream, in.handle(), out.handle(),
transMatrix.handle(), flags, borderMode, borderValue));
}
inline NVCVOperatorHandle WarpAffine::handle() const noexcept
{
return m_handle;
}
} // namespace cvcuda
#endif // CVCUDA_WARP_AFFINE_HPP