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1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // 26 //
>> 27 // $Id: G4OpenGLStoredXmViewer.cc,v 1.22 2007/04/04 16:50:27 allison Exp $
>> 28 // GEANT4 tag $Name: geant4-09-02 $
27 // 29 //
28 // 30 //
29 // Andrew Walkden 10th February 1997 31 // Andrew Walkden 10th February 1997
30 // Class G4OpenGLStoredXmViewer : a class deri 32 // Class G4OpenGLStoredXmViewer : a class derived from G4OpenGLXmViewer
31 // and G4OpenGLSt 33 // and G4OpenGLStoredViewer.
32 34
>> 35 #ifdef G4VIS_BUILD_OPENGLXM_DRIVER
>> 36
33 #include "G4OpenGLStoredXmViewer.hh" 37 #include "G4OpenGLStoredXmViewer.hh"
34 38
35 #include "G4OpenGLStoredSceneHandler.hh" <<
36 #include "G4ios.hh" 39 #include "G4ios.hh"
37 #include "G4Threading.hh" <<
38 40
39 G4OpenGLStoredXmViewer:: 41 G4OpenGLStoredXmViewer::
40 G4OpenGLStoredXmViewer (G4OpenGLStoredSceneHan 42 G4OpenGLStoredXmViewer (G4OpenGLStoredSceneHandler& sceneHandler,
41 const G4String& name) 43 const G4String& name)
42 : G4VViewer (sceneHandler, sceneHandler.Incre 44 : G4VViewer (sceneHandler, sceneHandler.IncrementViewCount (), name),
43 G4OpenGLViewer (sceneHandler), 45 G4OpenGLViewer (sceneHandler),
44 G4OpenGLXmViewer (sceneHandler), 46 G4OpenGLXmViewer (sceneHandler),
45 G4OpenGLStoredViewer (sceneHandler) 47 G4OpenGLStoredViewer (sceneHandler)
46 { 48 {
47 49
48 if (fViewId < 0) return; // In case error i 50 if (fViewId < 0) return; // In case error in base class instantiation.
49 51
50 if (!vi_stored) { 52 if (!vi_stored) {
51 fViewId = -1; // This flags an error. 53 fViewId = -1; // This flags an error.
52 G4cerr << "G4OpenGLStoredXmViewer::G4OpenG 54 G4cerr << "G4OpenGLStoredXmViewer::G4OpenGLStoredXmViewer -"
53 " G4OpenGLXmViewer couldn't get a visual 55 " G4OpenGLXmViewer couldn't get a visual." << G4endl;
54 return; 56 return;
55 } 57 }
56 } 58 }
57 59
58 G4OpenGLStoredXmViewer::~G4OpenGLStoredXmViewe << 60 G4OpenGLStoredXmViewer::~G4OpenGLStoredXmViewer () {}
59 {} <<
60 61
61 void G4OpenGLStoredXmViewer::Initialise () { 62 void G4OpenGLStoredXmViewer::Initialise () {
62 63
63 CreateGLXContext (vi_stored); 64 CreateGLXContext (vi_stored);
64 CreateMainWindow (); 65 CreateMainWindow ();
65 CreateFontLists (); 66 CreateFontLists ();
66 67
67 InitializeGLView (); 68 InitializeGLView ();
68 69
>> 70 // clear the buffers and window.
>> 71 ClearView ();
>> 72 FinishView ();
>> 73
>> 74 glDepthFunc (GL_LEQUAL);
>> 75 glDepthMask (GL_TRUE);
>> 76
>> 77 glEnable (GL_BLEND);
>> 78 glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
>> 79
69 glDrawBuffer (GL_BACK); 80 glDrawBuffer (GL_BACK);
70 } 81 }
71 82
72 void G4OpenGLStoredXmViewer::DrawView () { 83 void G4OpenGLStoredXmViewer::DrawView () {
73 #ifdef G4DEBUG_VIS_OGL << 84
74 printf("G4OpenGLStoredXmViewer::DrawView \n" << 85 //Make sure current viewer is attached and clean...
75 #endif << 86 glXMakeCurrent (dpy, win, cx);
>> 87 glViewport (0, 0, WinSize_x, WinSize_y);
76 88
77 G4ViewParameters::DrawingStyle style = GetVi 89 G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
78 90
79 //See if things have changed from last time 91 //See if things have changed from last time and remake if necessary...
80 // /vis/viewer/rebuild, but if not, make dec 92 // /vis/viewer/rebuild, but if not, make decision and set flag only
81 // if necessary... 93 // if necessary...
82 if (!fNeedKernelVisit) KernelVisitDecision ( 94 if (!fNeedKernelVisit) KernelVisitDecision ();
83 fLastVP = fVP; <<
84 G4bool kernelVisitWasNeeded = fNeedKernelVis 95 G4bool kernelVisitWasNeeded = fNeedKernelVisit; // Keep (ProcessView resets).
85 ProcessView (); 96 ProcessView ();
86 97
87 if(style!=G4ViewParameters::hlr && 98 if(style!=G4ViewParameters::hlr &&
88 haloing_enabled) { 99 haloing_enabled) {
89 100
90 HaloingFirstPass (); 101 HaloingFirstPass ();
91 DrawDisplayLists (); 102 DrawDisplayLists ();
92 #ifdef G4DEBUG_VIS_OGL <<
93 printf("G4OpenGLStoredXmViewer::DrawView ( <<
94 #endif <<
95 glFlush (); 103 glFlush ();
96 104
97 HaloingSecondPass (); 105 HaloingSecondPass ();
98 106
99 DrawDisplayLists (); 107 DrawDisplayLists ();
100 FinishView (); 108 FinishView ();
101 109
102 } else { 110 } else {
103 111
104 #ifdef G4DEBUG_VIS_OGL <<
105 printf("G4OpenGLStoredXmViewer::DrawView n <<
106 #endif <<
107 // If kernel visit was needed, drawing and 112 // If kernel visit was needed, drawing and FinishView will already
108 // have been done, so... 113 // have been done, so...
109 if (!kernelVisitWasNeeded) { 114 if (!kernelVisitWasNeeded) {
110 #ifdef G4DEBUG_VIS_OGL <<
111 printf("G4OpenGLStoredXmViewer::ComputeV <<
112 #endif <<
113 DrawDisplayLists (); 115 DrawDisplayLists ();
114 FinishView (); 116 FinishView ();
115 } else { 117 } else {
116 #ifdef G4DEBUG_VIS_OGL <<
117 printf("G4OpenGLStoredXmViewer::ComputeV <<
118 #endif <<
119 // However, union cutaways are implemented 118 // However, union cutaways are implemented in DrawDisplayLists, so make
120 // an extra pass... 119 // an extra pass...
121 if (fVP.IsCutaway() && 120 if (fVP.IsCutaway() &&
122 fVP.GetCutawayMode() == G4ViewParameters:: 121 fVP.GetCutawayMode() == G4ViewParameters::cutawayUnion) {
123 ClearView(); 122 ClearView();
124 DrawDisplayLists (); 123 DrawDisplayLists ();
125 FinishView (); 124 FinishView ();
126 } else { // ADD TO AVOID KernelVisit=1 a <<
127 DrawDisplayLists (); <<
128 FinishView (); <<
129 } 125 }
130 } 126 }
131 } 127 }
132 #ifdef G4DEBUG_VIS_OGL <<
133 printf("G4OpenGLStoredXmViewer::DrawView ^^ <<
134 #endif <<
135 } 128 }
136 129
137 void G4OpenGLStoredXmViewer::FinishView () { 130 void G4OpenGLStoredXmViewer::FinishView () {
138 // glXWaitGL (); //Wait for effects of all pr << 131 glXWaitGL (); //Wait for effects of all previous OpenGL commands to
139 //be propogated before progres 132 //be propogated before progressing.
140 // JA: Commented out July 2021 - slows renderi <<
141 // don't see any adverse effects. <<
142 <<
143 #ifdef G4DEBUG_VIS_OGL <<
144 printf("G4OpenGLStoredXmViewer::FinishView ( <<
145 #endif <<
146 glFlush (); //FIXME <<
147 <<
148 GLint renderMode; 133 GLint renderMode;
149 glGetIntegerv(GL_RENDER_MODE, &renderMode); 134 glGetIntegerv(GL_RENDER_MODE, &renderMode);
150 if (renderMode == GL_RENDER) glXSwapBuffers 135 if (renderMode == GL_RENDER) glXSwapBuffers (dpy, win);
151 } 136 }
>> 137
>> 138 #endif
152 139