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o3de/Gems/PhysX/Code/Source/Pipeline/StreamWrapper.h

51 lines
1.4 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <AzCore/IO/GenericStreams.h>
#include <AzCore/Asset/AssetDataStream.h>
#include <extensions/PxDefaultStreams.h>
namespace PhysX
{
/// Wraps an AZ stream by provided the physx interface.
/// This is used to prevent copying of data when going from
/// physx streams to az streams.
class StreamWrapper
: public physx::PxInputStream
, public physx::PxOutputStream
{
public:
StreamWrapper(AZ::IO::GenericStream* stream);
uint32_t read(void* dest, uint32_t count) override;
uint32_t write(const void* src, uint32_t count) override;
private:
AZ::IO::GenericStream* m_stream;
};
/// Wraps an AZ AssetDataStream read-only stream with the physx interface.
/// This is used to prevent copying of data when going from
/// physx streams to az streams.
class AssetDataStreamWrapper
: public physx::PxInputStream
{
public:
AssetDataStreamWrapper(AZStd::shared_ptr<AZ::Data::AssetDataStream> stream);
uint32_t read(void* dest, uint32_t count) override;
private:
AZStd::shared_ptr<AZ::Data::AssetDataStream> m_stream;
};
}