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

55 lines
1.7 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
#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;
};
}