private static MyMapping MapRead(MyRenderContext rc, IResource resource, int bufferSize)
{
MyMapping mapping;
mapping.m_rc = rc;
mapping.m_resource = resource.Resource;
mapping.m_bufferSize = bufferSize;
mapping.m_dataBox = rc.MapSubresource(resource, 0, MapMode.Read, MapFlags.None);
if (mapping.m_dataBox.IsEmpty)
{
throw new MyRenderException("Resource mapping failed!");
}
mapping.m_dataPointer = mapping.m_dataBox.DataPointer;
return(mapping);
}
private static MyMapping MapDiscard(MyRenderContext rc, Resource buffer, int bufferSize)
{
MyMapping mapping;
mapping.m_rc = rc;
mapping.m_buffer = buffer;
mapping.m_bufferSize = bufferSize;
mapping.m_dataBox = rc.MapSubresource(buffer, 0, MapMode.WriteDiscard, MapFlags.None);
if (mapping.m_dataBox.IsEmpty)
{
throw new MyRenderException("Resource mapping failed!");
}
mapping.m_dataPointer = mapping.m_dataBox.DataPointer;
return(mapping);
}