public void Evaluate(int SpreadMax)
{
if (this.FInput.IsConnected && this.FInEnabled[0])
{
this.FInput.Sync();
if (this.RenderRequest != null)
{
this.RenderRequest(this, this.FHost);
}
if (this.AssignedContext == null)
{
this.FOutput.SliceCount = 0;
return;
}
IDX11StructuredBuffer b = this.FInput[0][this.AssignedContext];
if (b != null)
{
if (this.staging != null && this.staging.ElementCount != b.ElementCount)
{
this.staging.Dispose(); this.staging = null;
}
if (this.staging != null && currentStride != b.Stride)
{
this.staging.Dispose(); this.staging = null;
currentStride = b.Stride;
}
if (this.staging == null)
{
staging = new DX11StagingStructuredBuffer(this.AssignedContext.Device, b.ElementCount, b.Stride);
}
this.AssignedContext.CurrentDeviceContext.CopyResource(b.Buffer, staging.Buffer);
//this.FOutput.SliceCount = b.ElementCount;
this.FOutput.SliceCount = 1;
DataStream ds = staging.MapForRead(this.AssignedContext.CurrentDeviceContext);
try
{
MemoryComStream outstream = new MemoryComStream();
ds.Position = 0;
ds.CopyTo(outstream);
FOutput[0] = outstream;
this.FOutput.Flush(true);
}
catch (Exception ex)
{
FHost.Log(TLogType.Error, "Error inreadback node: " + ex.Message);
}
finally
{
staging.UnMap(this.AssignedContext.CurrentDeviceContext);
}
}
else
{
this.FOutput.SliceCount = 0;
}
}
else
{
this.FOutput.SliceCount = 0;
}
}
public void Evaluate(int SpreadMax)
{
if (this.FInput.IsConnected && this.FInEnabled[0])
{
this.FInput.Sync();
if (this.RenderRequest != null)
{
this.RenderRequest(this, this.FHost);
}
if (this.AssignedContext == null)
{
this.FOutput.SliceCount = 0;
return;
}
IDX11StructuredBuffer b = this.FInput[0][this.AssignedContext];
if (b != null)
{
if (Marshal.SizeOf(typeof(T)) != b.Stride)
{
this.FOutput.SliceCount = 0;
this.FHost.Log(TLogType.Error, "Buffer has an invalid stride");
return;
}
if (this.stagingWrite != null && this.stagingWrite.ElementCount != b.ElementCount)
{
this.stagingWrite.Dispose(); this.stagingWrite = null;
this.stagingRead.Dispose(); this.stagingRead = null;
}
if (this.stagingWrite == null)
{
stagingWrite = new DX11StagingStructuredBuffer(this.AssignedContext.Device, b.ElementCount, b.Stride);
stagingRead = new DX11StagingStructuredBuffer(this.AssignedContext.Device, b.ElementCount, b.Stride);
}
this.AssignedContext.CurrentDeviceContext.CopyResource(b.Buffer, stagingWrite.Buffer);
this.FOutput.SliceCount = b.ElementCount;
DataStream ds = stagingRead.MapForRead(this.AssignedContext.CurrentDeviceContext);
try
{
this.WriteData(ds, b.ElementCount);
this.FOutput.Flush(true);
}
catch (Exception ex)
{
FHost.Log(TLogType.Error, "Error inreadback node: " + ex.Message);
}
finally
{
stagingRead.UnMap(this.AssignedContext.CurrentDeviceContext);
}
SharpDX.Utilities.Swap(ref stagingWrite, ref stagingRead);
}
else
{
this.FOutput.SliceCount = 0;
}
}
else
{
this.FOutput.SliceCount = 0;
}
}
