Method _InvalidateAttributeValues

pxr/exec/exec/system.cpp:281–317

}

void
ExecSystem::_InvalidateAttributeValues(TfSpan<const SdfPath> invalidAttributes)
{
    TRACE_FUNCTION();

    const Exec_AttributeValueInvalidationResult invalidationResult =
        _program->InvalidateAttributeAuthoredValues(invalidAttributes);

    // Invalidate the executor and send request invalidation.
    WorkWithScopedDispatcher(
        [&runtime = _runtime, &invalidationResult,
         &requestTracker = _requestTracker]
        (WorkDispatcher &dispatcher){
        // If any of the inputs to exec changed to be time dependent when
        // previously they were not (or vice versa), we need to invalidate the
        // main executor's topological state, such that invalidation traversals
        // pick up the new time dependency.
        if (invalidationResult.isTimeDependencyChange) {
            dispatcher.Run([&](){
                runtime->InvalidateTopologicalState();
            });
        }

        // Invalidate values in the page cache.
        dispatcher.Run([&](){
            runtime->InvalidatePageCache(
                invalidationResult.invalidationRequest,
                invalidationResult.invalidInterval);
        });

        // Notify all the requests of computed value invalidation. Not all the
        // requests will contain all the invalid leaf nodes or invalid
        // attributes, and the request impls are responsible for filtering the
        // provided information.
        requestTracker->DidInvalidateComputedValues(invalidationResult);
    });
}

void
ExecSystem::_InvalidateMetadataValues(