VRJugglerRoutines.C

00001 /***************************************************************************
00002 *cr
00003 *cr (C) Copyright 1995-2019 The Board of Trustees of the
00004 *cr University of Illinois
00005 *cr All Rights Reserved
00006 *cr
00007 *cr VRJuggler patches contributed by Martijn Kragtwijk: m.kragtwijk@rug.nl
00008 *cr
00009 ***************************************************************************/
00010 
00011 /***************************************************************************
00012 * RCS INFORMATION:
00013 *
00014 * $RCSfile: VRJugglerRoutines.C,v $
00015 * $Author: johns $ $Locker: $ $State: Exp $
00016 * $Revision: 1.4 $ $Date: 2019年01月17日 21:21:02 $
00017 *
00018 ***************************************************************************
00019 * DESCRIPTION:
00020 *
00021 * routines to get memory from and return memory to the 
00022 * VRJuggler shared memory arena
00023 ***************************************************************************/
00024 //#include <vrjuggler_ogl.h>
00025 
00026 #include "VRJugglerRoutines.h"
00027 #include "Inform.h"
00028 #include "VMDApp.h"
00029 #include "VRJugglerDisplayDevice.h"
00030 #include "VRJugglerScene.h"
00031 
00032 #define VRJugglerMAGICINIT 3142
00033 static int vmd_vrjuggler_initialized_flag = 0; // global init state variable
00034 
00035 int vmd_vrjuggler_is_initialized() {
00036 if (vmd_vrjuggler_initialized_flag == VRJugglerMAGICINIT) 
00037 return 1;
00038 else 
00039 return 0;
00040 } 
00041 
00042 void vmd_set_vrjuggler_is_initialized() {
00043 vmd_vrjuggler_initialized_flag = VRJugglerMAGICINIT;
00044 }
00045 
00046 // set up the graphics, called from VRJugglerInitApplication
00047 void vrjuggler_gl_init_fn(void) {
00048 // nothing to do
00049 }
00050 
00051 // XXX globals to keep track of the display and scene data structures
00052 static VRJugglerScene *vrjugglerscene;
00053 static VRJugglerDisplayDevice *vrjugglerdisplay;
00054 
00055 void set_vrjuggler_pointers(VRJugglerScene *scene, VRJugglerDisplayDevice *display) {
00056 msgInfo << "set_vrjuggler_pointers" << sendmsg;
00057 vrjugglerscene = scene;
00058 vrjugglerdisplay = display;
00059 }
00060 
00061 // call the child display renderer, and wait until they are done
00062 void vrjuggler_renderer(void) {
00063 // msgInfo << "vrjuggler_renderer" << sendmsg;
00064 if (vrjugglerscene){
00065 vrjugglerscene->draw(vrjugglerdisplay);
00066 vrjugglerscene->draw_finished();
00067 } else {
00068 msgErr << "vrjuggler_renderer(): vrjugglerscene is NULL" << sendmsg;
00069 }
00070 }
00071