private void Update(EvaluationContext context)
{
var deviceContext = _d3dDevice.ImmediateContext;
bool enabled = Enabled.GetValue(context);
bool logToConsole = LogToConsole.GetValue(context);
if (enabled && _readyToMeasure)
{
_queryTimeStampDisjoint.Begin(deviceContext);
_queryTimeStampFrameBegin.End(deviceContext);
}
Command.GetValue(context);
if (!enabled)
{
return;
}
if (_readyToMeasure)
{
_queryTimeStampFrameEnd.End(deviceContext);
_queryTimeStampDisjoint.End(deviceContext);
_readyToMeasure = false;
}
else
{
// check if last measurement is ready
bool dataFetched = true;
dataFetched &= _queryTimeStampDisjoint.GetData(deviceContext, AsynchronousFlags.None, out QueryDataTimestampDisjoint disjointData);
dataFetched &= _queryTimeStampFrameBegin.GetData(deviceContext, AsynchronousFlags.None, out long timeStampframeBegin);
dataFetched &= _queryTimeStampFrameEnd.GetData(deviceContext, AsynchronousFlags.None, out long timeStampframeEnd);
if (dataFetched && !disjointData.Disjoint)
{
float durationInS = (float)(timeStampframeEnd - timeStampframeBegin) / disjointData.Frequency;
int usDuration = (int)(durationInS * 1000f * 1000f);
if (logToConsole)
{
Log.Debug($"Subtree took: {usDuration}us on GPU.");
}
LastMeasureInMicroSeconds = usDuration;
_readyToMeasure = true;
}
LastMeasureInMs = MathUtils.Lerp(LastMeasureInMs, (float)(LastMeasureInMicroSeconds / 1000.0), 0.03f);
}
}
