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/*
* Copyright 2018-2019 NVIDIA 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 <thrust/detail/config.h>
#include <thrust/mr/memory_resource.h>
THRUST_NAMESPACE_BEGIN
namespace mr
{
template<typename Pointer = void *>
class polymorphic_adaptor_resource final : public memory_resource<Pointer>
{
public:
polymorphic_adaptor_resource(memory_resource<Pointer> * t) : upstream_resource(t)
{
}
virtual Pointer do_allocate(std::size_t bytes, std::size_t alignment = THRUST_MR_DEFAULT_ALIGNMENT) override
{
return upstream_resource->allocate(bytes, alignment);
}
virtual void do_deallocate(Pointer p, std::size_t bytes, std::size_t alignment) override
{
return upstream_resource->deallocate(p, bytes, alignment);
}
__host__ __device__
virtual bool do_is_equal(const memory_resource<Pointer> & other) const noexcept override
{
return upstream_resource->is_equal(other);
}
private:
memory_resource<Pointer> * upstream_resource;
};
} // end mr
THRUST_NAMESPACE_END
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