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Geant4/visualization/OpenGL/src/G4OpenGLImmediateXmViewer.cc

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Diff markup

Differences between /visualization/OpenGL/src/G4OpenGLImmediateXmViewer.cc (Version 11.3.0) and /visualization/OpenGL/src/G4OpenGLImmediateXmViewer.cc (Version 4.0)


  1 //                                                  1 //
  2 // *******************************************      2 // ********************************************************************
  3 // * License and Disclaimer                    <<   3 // * DISCLAIMER                                                       *
  4 // *                                                4 // *                                                                  *
  5 // * The  Geant4 software  is  copyright of th <<   5 // * The following disclaimer summarizes all the specific disclaimers *
  6 // * the Geant4 Collaboration.  It is provided <<   6 // * of contributors to this software. The specific disclaimers,which *
  7 // * conditions of the Geant4 Software License <<   7 // * govern, are listed with their locations in:                      *
  8 // * LICENSE and available at  http://cern.ch/ <<   8 // *   http://cern.ch/geant4/license                                  *
  9 // * include a list of copyright holders.      << 
 10 // *                                                9 // *                                                                  *
 11 // * Neither the authors of this software syst     10 // * Neither the authors of this software system, nor their employing *
 12 // * institutes,nor the agencies providing fin     11 // * institutes,nor the agencies providing financial support for this *
 13 // * work  make  any representation or  warran     12 // * work  make  any representation or  warranty, express or implied, *
 14 // * regarding  this  software system or assum     13 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file  <<  14 // * use.                                                             *
 16 // * for the full disclaimer and the limitatio << 
 17 // *                                               15 // *                                                                  *
 18 // * This  code  implementation is the result  <<  16 // * This  code  implementation is the  intellectual property  of the *
 19 // * technical work of the GEANT4 collaboratio <<  17 // * GEANT4 collaboration.                                            *
 20 // * By using,  copying,  modifying or  distri <<  18 // * By copying,  distributing  or modifying the Program (or any work *
 21 // * any work based  on the software)  you  ag <<  19 // * based  on  the Program)  you indicate  your  acceptance of  this *
 22 // * use  in  resulting  scientific  publicati <<  20 // * statement, and all its terms.                                    *
 23 // * acceptance of all terms of the Geant4 Sof << 
 24 // *******************************************     21 // ********************************************************************
 25 //                                                 22 //
 26 //                                                 23 //
                                                   >>  24 // $Id: G4OpenGLImmediateXmViewer.cc,v 1.6 2001/07/14 21:47:51 johna Exp $
                                                   >>  25 // GEANT4 tag $Name: geant4-04-00 $
 27 //                                                 26 //
 28 //                                                 27 // 
 29 // Andrew Walkden  10th February 1997              28 // Andrew Walkden  10th February 1997
 30 // Class G4OpenGLImmediateXmViewer : a class d     29 // Class G4OpenGLImmediateXmViewer : a class derived from G4OpenGLXmViewer
 31 //                                     and G4O     30 //                                     and G4OpenGLImmediateViewer.
 32                                                    31 
                                                   >>  32 #ifdef G4VIS_BUILD_OPENGLXM_DRIVER
                                                   >>  33 
 33 #include "G4OpenGLImmediateXmViewer.hh"            34 #include "G4OpenGLImmediateXmViewer.hh"
 34 #include "G4OpenGLImmediateSceneHandler.hh"    <<  35 
                                                   >>  36 #include <GL/gl.h>
                                                   >>  37 #include <GL/glx.h>
                                                   >>  38 #include <GL/glu.h>
 35                                                    39 
 36 #include "G4ios.hh"                                40 #include "G4ios.hh"
 37 #include "G4Threading.hh"                      <<  41 #include <assert.h>
                                                   >>  42 #include <unistd.h>
                                                   >>  43 
                                                   >>  44 G4OpenGLImmediateXmViewer::G4OpenGLImmediateXmViewer
                                                   >>  45 (G4OpenGLImmediateSceneHandler& scene,
                                                   >>  46  const G4String& name):
                                                   >>  47 G4OpenGLViewer (scene),
                                                   >>  48 G4OpenGLXmViewer (scene),
                                                   >>  49 G4OpenGLImmediateViewer (scene),
                                                   >>  50 G4VViewer (scene, scene.IncrementViewCount (), name) {
 38                                                    51 
 39 G4OpenGLImmediateXmViewer::                    << 
 40 G4OpenGLImmediateXmViewer(G4OpenGLImmediateSce << 
 41                           const G4String& name << 
 42  : G4VViewer (sceneHandler, sceneHandler.Incre << 
 43    G4OpenGLViewer (sceneHandler),              << 
 44    G4OpenGLXmViewer (sceneHandler),            << 
 45    G4OpenGLImmediateViewer (sceneHandler)      << 
 46 {                                              << 
 47   if (fViewId < 0) return;  // In case error i     52   if (fViewId < 0) return;  // In case error in base class instantiation.
 48                                                    53 
 49 // ensure a suitable window was found              54 // ensure a suitable window was found
 50   if (!vi_immediate) {                             55   if (!vi_immediate) {
 51     G4cerr << "G4OpenGLImmediateXmViewer::G4Op     56     G4cerr << "G4OpenGLImmediateXmViewer::G4OpenGLImmediateXmViewer -"
 52       " G4OpenGLXmViewer couldn't get a visual     57       " G4OpenGLXmViewer couldn't get a visual." << G4endl;  
 53     fViewId = -1;  // This flags an error.         58     fViewId = -1;  // This flags an error.
 54     return;                                        59     return;
 55   }                                                60   }
 56 }                                                  61 }
 57                                                    62 
 58 G4OpenGLImmediateXmViewer::~G4OpenGLImmediateX     63 G4OpenGLImmediateXmViewer::~G4OpenGLImmediateXmViewer () {}
 59                                                    64 
 60 void G4OpenGLImmediateXmViewer::Initialise ()      65 void G4OpenGLImmediateXmViewer::Initialise () {
 61                                                    66 
 62   CreateGLXContext (vi_immediate);                 67   CreateGLXContext (vi_immediate);
                                                   >>  68 
 63   CreateMainWindow ();                             69   CreateMainWindow ();
 64   CreateFontLists ();                          << 
 65                                                    70 
 66   InitializeGLView ();                             71   InitializeGLView ();
 67                                                    72 
                                                   >>  73   // clear the buffers and window.
                                                   >>  74   ClearView ();
                                                   >>  75   FinishView ();
                                                   >>  76 
                                                   >>  77   glDepthFunc (GL_LEQUAL);
                                                   >>  78   glDepthMask (GL_TRUE);
                                                   >>  79   
                                                   >>  80   glColorMask (GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
                                                   >>  81   glLineWidth (1.0);
                                                   >>  82 
                                                   >>  83   glEnable (GL_BLEND);
                                                   >>  84   glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
                                                   >>  85   glShadeModel (GL_FLAT);
                                                   >>  86 
                                                   >>  87   //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
                                                   >>  88   //The following code was in the constructor and found not to work for
                                                   >>  89   //the reasons below.  It was moved to DrawView(), but has now been moved
                                                   >>  90   //to Initialise().
                                                   >>  91   //The following code is useless in its current position, as the 
                                                   >>  92   //G4OpenGLXmViewer constructor gets called *after* it, and hence sets
                                                   >>  93   //doublebuffer to true or false there, after our little test to correct
                                                   >>  94   //it in the case of a double buffer being got for an immediate view.
                                                   >>  95   //Hence, code moved to DrawView.
                                                   >>  96   //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
                                                   >>  97 
 68   // If a double buffer context has been force     98   // If a double buffer context has been forced upon us, ignore the
 69   // back buffer for this OpenGLImmediate view     99   // back buffer for this OpenGLImmediate view.
 70   glDrawBuffer (GL_FRONT);                     << 100    if (doublebuffer) {
                                                   >> 101      doublebuffer = false;
                                                   >> 102      glDrawBuffer (GL_FRONT);
                                                   >> 103    }
 71 }                                                 104 }
 72                                                   105 
 73 void G4OpenGLImmediateXmViewer::DrawView () {     106 void G4OpenGLImmediateXmViewer::DrawView () {
 74                                                   107 
                                                   >> 108   if (white_background == true) {
                                                   >> 109     glClearColor (1., 1., 1., 1.);
                                                   >> 110   } else {
                                                   >> 111     glClearColor (0., 0., 0., 1.);
                                                   >> 112   }
                                                   >> 113   glClearDepth (1.0);
                                                   >> 114 
 75   G4ViewParameters::DrawingStyle style = GetVi    115   G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
 76                                                   116 
 77 #ifdef G4DEBUG_VIS_OGL                         << 117   //Make sure current viewer is attached and clean...
 78   printf("G4OpenGLImmediateXmViewer::DrawView  << 118   glXMakeCurrent (dpy, win, cx);
 79 #endif                                         << 119   glViewport (0, 0, WinSize_x, WinSize_y);
                                                   >> 120   ClearView ();
 80                                                   121 
 81   if(style!=G4ViewParameters::hlr &&              122   if(style!=G4ViewParameters::hlr &&
 82      haloing_enabled) {                           123      haloing_enabled) {
 83                                                   124 
 84     HaloingFirstPass ();                          125     HaloingFirstPass ();
 85     NeedKernelVisit ();                           126     NeedKernelVisit ();
 86 #ifdef G4DEBUG_VIS_OGL                         << 
 87   printf("G4OpenGLImmediateXmViewer::DrawView  << 
 88 #endif                                         << 
 89     ProcessView ();                               127     ProcessView ();
 90     glFlush ();                                   128     glFlush ();
 91                                                   129 
 92     HaloingSecondPass ();                         130     HaloingSecondPass ();
 93                                                   131 
 94   }                                               132   }
 95                                                   133 
 96 #ifdef G4DEBUG_VIS_OGL                         << 
 97   printf("G4OpenGLImmediateXmViewer::DrawView  << 
 98 #endif                                         << 
 99   NeedKernelVisit ();  // Always need to visit    134   NeedKernelVisit ();  // Always need to visit G4 kernel.
100   ProcessView ();                                 135   ProcessView ();
101   FinishView ();                                  136   FinishView ();
102                                                   137 
103 }                                                 138 }
104                                                   139 
105 void G4OpenGLImmediateXmViewer::FinishView ()  << 
106 #ifdef G4DEBUG_VIS_OGL                         << 
107   printf("G4OpenGLImmediateXmViewer::FinishVie << 
108 #endif                                            140 #endif
109 //  glXWaitGL (); //Wait for effects of all pr << 
110                 //be propagated before progres << 
111 // JA: Commented out July 2021 - slows renderi << 
112 // don't see any adverse effects.              << 
113   glFlush ();                                  << 
114 }                                              << 
115                                                   141