Enter direct mode
PhDrawContext_t *PdDirectStart( PdDirectContext_t *DirectContext );
This function puts the application into direct mode. On successful completion of this call, the graphics driver is blocked on the application that's awaiting rendering services. The DirectContext is now the default context for the application.
|This call blocks until the operation is complete.|
A pointer to the previous draw context on success, or NULL on failure.
PdCreateDirectContext(), PdDirectStop(), PdReleaseDirectContext()
“Direct mode” in the Raw Drawing and Animation chapter of the Photon Programmer's Guide