shared_tensor_allocator.hpp

/*
// Copyright (C) 2021-2024 Intel Corporation
//
// 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.
*/
 
#pragma once
 
#include <opencv2/core.hpp>
 
struct SharedMatAllocator {
    const cv::Mat mat;
    void* allocate(size_t bytes, size_t) {return bytes <= mat.rows * mat.step[0] ? mat.data : nullptr;}
    void deallocate(void*, size_t, size_t) {}
    bool is_equal(const SharedMatAllocator& other) const noexcept {return this == &other;}
};