public void GetResults(TraversalResult[] results)
{
if (results == null || results.Length == 0)
{
return;
}
var resultData = IntPtr.Zero;
var resultsPtr = GCHandle.Alloc(results, GCHandleType.Pinned);
CheckError(TraversalApi.rtuTraversalMapResults(mTraversal, ref resultData));
if (resultData == IntPtr.Zero)
{
throw new OptixException("Traversal Error: Results buffer cannot be mapped");
}
MemoryHelper.BlitMemory(resultsPtr.AddrOfPinnedObject(), resultData, (uint)(mCurrentNumRays * 8u));
CheckError(TraversalApi.rtuTraversalUnmapResults(mTraversal));
resultsPtr.Free();
}
public void Read <T>(ref T r)
where T : struct
{
if (!mCanRead)
{
throw new NotSupportedException("Optix Error: BufferStream: Cannot read from non Output Optix buffers");
}
var elemSize = Marshal.SizeOf <T>();
var sizeInBytes = elemSize;
// internal checks
if (mPosition + sizeInBytes > mSize)
{
throw new EndOfStreamException();
}
var l = GCHandle.Alloc(r, GCHandleType.Pinned);
MemoryHelper.BlitMemory(new IntPtr(this.Buffer.ToInt64() + mPosition), l.AddrOfPinnedObject(), (uint)sizeInBytes);
mPosition += sizeInBytes;
l.Free();
}