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: VRJugglerDisplayDevice.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 * a VRJuggler specific display device for VMD 00021 ***************************************************************************/ 00022 #include "VRJugglerDisplayDevice.h" 00023 #include "Inform.h" 00024 //#include <vrjuggler_ogl.h> // include vrjuggler library access 00025 00026 // static string storage used for returning stereo modes 00027 static const char *vrjugglerStereoNameStr[1] = {"VRJuggler"}; 00028 00030 VRJugglerDisplayDevice::VRJugglerDisplayDevice(void) : OpenGLRenderer("VRJuggler") { 00031 stereoNames = vrjugglerStereoNameStr; 00032 stereoModes = 1; 00033 doneGLInit = FALSE; 00034 num_display_processes = 0; //VRJugglerConfig->ActiveWalls; 00035 // hebben we deze variabele wel nodig? 00036 00037 // leave everything else up to the vrjuggler_gl_init_fn 00038 } 00039 00041 VRJugglerDisplayDevice::~VRJugglerDisplayDevice(void) { 00042 // nothing to do 00043 } 00044 00045 00047 00048 // set up the graphics on the seperate VRJuggler displays 00049 void VRJugglerDisplayDevice::vrjuggler_gl_init_fn(void) { 00050 setup_initial_opengl_state(); // do all OpenGL setup/initialization now 00051 00052 // follow up with mode settings 00053 aaAvailable = TRUE; // enable antialiasing 00054 cueingAvailable = FALSE; // disable depth cueing 00055 cullingAvailable = FALSE; // disable culling 00056 // XXX need to test this still 00057 // ext->hasstereo = VRJugglerInStereo(); // stereo availability test 00058 ext->hasstereo = TRUE; // stereo is on initially 00059 ext->stereodrawforced = FALSE; // no need for forced stereo draws 00060 00061 glClearColor(0.0, 0.0, 0.0, 0.0); // set clear color to black 00062 00063 aa_on(); // force antialiasing on if possible 00064 cueing_off(); // force depth cueing off 00065 00066 // set default settings 00067 set_sphere_mode(sphereMode); 00068 set_sphere_res(sphereRes); 00069 set_line_width(lineWidth); 00070 set_line_style(lineStyle); 00071 00072 clear(); // clear screen 00073 update(); // swap buffers 00074 00075 // we want the VRJuggler to be centered at the origin, and in the range -1, +1 00076 (transMat.top()).translate(0.0, 3.0, -2.0); 00077 (transMat.top()).scale(PI); 00078 00079 doneGLInit = TRUE; // only do this once 00080 } 00081 00082 void VRJugglerDisplayDevice::set_stereo_mode(int) { 00083 // cannot change to stereo mode in the VRJuggler, it is setup at init time 00084 } 00085 00086 void VRJugglerDisplayDevice::normal(void) { 00087 // prevent the OpenGLRenderer implementation of this routine 00088 // from overriding the projection matrices provided by the 00089 // VRJuggler library. 00090 } 00091 00092 // special render routine to check for graphics initialization 00093 void VRJugglerDisplayDevice::render(const VMDDisplayList *cmdlist) { 00094 //msgInfo << "."; 00095 00096 if(!doneGLInit) { 00097 vrjuggler_gl_init_fn(); 00098 } 00099 00100 // prepare for rendering 00101 glPushMatrix(); 00102 multmatrix((transMat.top())); // add our VRJuggler adjustment transformation 00103 00104 // update the cached transformation matrices for use in text display, etc. 00105 // In the VRJuggler, we have to do this separately for all of the processors. 00106 // Would be nice to do this outside of the render routine however, 00107 // amortized over several Displayables. 00108 glGetFloatv(GL_PROJECTION_MATRIX, ogl_pmatrix); 00109 glGetFloatv(GL_MODELVIEW_MATRIX, ogl_mvmatrix); 00110 ogl_textMat.identity(); 00111 ogl_textMat.multmatrix(ogl_pmatrix); 00112 ogl_textMat.multmatrix(ogl_mvmatrix); 00113 00114 // call OpenGLRenderer to do the rest of the rendering the normal way 00115 OpenGLRenderer::render(cmdlist); 00116 glPopMatrix(); 00117 } 00118 00119 // update after drawing 00120 void VRJugglerDisplayDevice::update(int do_update) { 00121 } 00122