void
avtOriginatingSource::InitPipeline(avtContract_p spec)
{
if (!ArtificialPipeline())
{
if (!CanDoStreaming())
{
spec->NoStreaming();
}
//
// Determine if the data specification is *all* of the data. This is
// important to things like facelists.
//
avtDataRequest_p data = spec->GetDataRequest();
bool uad = data->GetSIL().UsesAllData();
GetOutput()->GetInfo().GetValidity().SetUsingAllData(uad);
bool uadom = data->GetSIL().UsesAllDomains();
GetOutput()->GetInfo().GetValidity().SetUsingAllDomains(uadom);
if (initializeProgressCallback != NULL &&
streamingCheckFunction != NULL)
{
//
// Each filter is a stage, plus a stage to get the data.
// With streaming, there are only calculate/send stages.
//
int nstages;
if (streamingCheckFunction(streamingCheckFunctionArgs,spec))
{
nstages = 1;
GetOutput()->GetInfo().GetValidity().SetWhetherStreaming(true);
}
else
{
int sourceStages = NumStagesForFetch(data);
nstages = spec->GetNFilters() + sourceStages;
GetOutput()->GetInfo().GetValidity().SetWhetherStreaming(false);
if (numberOfExecutions > 1)
nstages *= numberOfExecutions;
}
bool shouldIssue = false;
if (numberOfExecutions <= 1)
shouldIssue = true;
else if (numberOfExecutions > 1)
{
if (!haveIssuedProgress)
{
shouldIssue = true;
haveIssuedProgress = true;
}
}
if (shouldIssue)
initializeProgressCallback(initializeProgressCallbackArgs,
nstages);
}
}
}
