Dryad/DryadVertex/VertexHost/vertex/WrapperNativeInfo/NullChannelTransform.cpp

65 lines
1.4 KiB
C++

/*
Copyright (c) Microsoft Corporation
All rights reserved.
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
THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER
EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF
TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions and
limitations under the License.
*/
#include "stdafx.h"
#include <nullchanneltransform.h>
#pragma unmanaged
ChannelTransform::~ChannelTransform()
{
// nothing needed here
}
NullChannelTransform::NullChannelTransform(DryadVertexProgram* vertex)
{
m_vertex = vertex;
}
NullChannelTransform::~NullChannelTransform()
{
m_channel = NULL;
}
DrError NullChannelTransform::Start(FifoChannel *channel)
{
m_channel = channel;
return DrError_OK;
}
void NullChannelTransform::SetOutputBufferSize(UInt32 bufferSize)
{
// nothing needed here
}
DrError NullChannelTransform::ProcessItem(DataBlockItem *item)
{
m_channel->WriteTransformedItem(item);
return DrError_OK;
}
DrError NullChannelTransform::Finish(bool atEndOfStream)
{
m_channel = NULL;
return DrError_OK;
}