15 #ifndef PIPELINECYCLERBASE_H 16 #define PIPELINECYCLERBASE_H 18 #include "pandabase.h" 19 #include "selectThreadImpl.h" 21 #if defined(THREADED_PIPELINE) 25 #include "pipelineCyclerTrueImpl.h" 28 #elif defined(DO_PIPELINING) 32 #include "pipelineCyclerDummyImpl.h" 35 #else // !DO_PIPELINING 39 #include "pipelineCyclerTrivialImpl.h" 42 #endif // DO_PIPELINING This is the trivial, non-threaded implementation of PipelineCyclerBase.