Geant4-11
G4OpenGLStoredXViewer.cc
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29// Andrew Walkden 7th February 1997
30// Class G4OpenGLStoredXViewer : a class derived from G4OpenGLXViewer and
31// G4OpenGLStoredViewer.
32
34
36#include "G4ios.hh"
37#include "G4Threading.hh"
38
41 const G4String& name)
42 : G4VViewer (sceneHandler, sceneHandler.IncrementViewCount (), name),
43 G4OpenGLViewer (sceneHandler),
44 G4OpenGLXViewer (sceneHandler),
45 G4OpenGLStoredViewer (sceneHandler)
46{
47 if (fViewId < 0) return; // In case error in base class instantiation.
48
49 if (!vi_stored) {
50 fViewId = -1; // This flags an error.
51 G4cerr << "G4OpenGLStoredXViewer::G4OpenGLStoredXViewer -"
52 " G4OpenGLXViewer couldn't get a visual." << G4endl;
53 return;
54 }
55}
56
58
60
61#ifdef G4DEBUG_VIS_OGL
62 printf("G4OpenGLStoredXViewer::Initialise\n");
63#endif
67
69
70 glDrawBuffer (GL_BACK);
71}
72
74
75#ifdef G4DEBUG_VIS_OGL
76 printf("G4OpenGLStoredXViewer::DrawView\n");
77#endif
78
80
81 // See if things have changed from last time and remake if necessary...
82 // The fNeedKernelVisit flag might have been set by the user in
83 // /vis/viewer/rebuild, but if not, make decision and set flag only
84 // if necessary...
86 fLastVP = fVP;
87 G4bool kernelVisitWasNeeded = fNeedKernelVisit; // Keep (ProcessView resets).
88 ProcessView ();
89
91
94#ifdef G4DEBUG_VIS_OGL
95 printf("G4OpenGLStoredXViewer::DrawView flush \n");
96#endif
97 glFlush ();
98
100
102
103 } else {
104
105 if (!kernelVisitWasNeeded) {
106#ifdef G4DEBUG_VIS_OGL
107 printf("G4OpenGLStoredXViewer::DrawView NO need kernel visit\n");
108#endif
110
111 } else {
112
113#ifdef G4DEBUG_VIS_OGL
114 printf("G4OpenGLStoredXViewer::DrawView NEED kernel visit\n");
115#endif
116 // However, union cutaways are implemented in DrawDisplayLists, so make
117 // an extra pass...
118 if (fVP.IsCutaway() &&
120 ClearView();
122 } else { // ADD TO AVOID KernelVisit=1 and nothing to display
124 }
125 }
126 }
127
128 FinishView ();
129
130}
131
133#ifdef G4DEBUG_VIS_OGL
134 printf("G4OpenGLStoredXViewer::FinishView\n");
135#endif
136
137// glXWaitGL (); //Wait for effects of all previous OpenGL commands to
138 //be propagated before progressing.
139// JA: Commented out July 2021 - slows rendering down in some cases and I
140// don't see any adverse effects.
141
142#ifdef G4DEBUG_VIS_OGL
143 printf("G4OpenGLStoredXViewer::FinishView flush \n");
144#endif
145 glFlush (); //FIXME
146
147 GLint renderMode;
148 glGetIntegerv(GL_RENDER_MODE, &renderMode);
149 if (renderMode == GL_RENDER) glXSwapBuffers (dpy, win);
150}
bool G4bool
Definition: G4Types.hh:86
G4GLOB_DLL std::ostream G4cerr
#define G4endl
Definition: G4ios.hh:57
G4OpenGLStoredXViewer(G4OpenGLStoredSceneHandler &scene, const G4String &name="")
void HaloingSecondPass()
void CreateGLXContext(XVisualInfo *vi)
virtual void CreateFontLists()
XVisualInfo * vi_stored
virtual void CreateMainWindow()
G4bool fNeedKernelVisit
Definition: G4VViewer.hh:224
const G4ViewParameters & GetViewParameters() const
void ProcessView()
Definition: G4VViewer.cc:105
G4int fViewId
Definition: G4VViewer.hh:216
G4ViewParameters fVP
Definition: G4VViewer.hh:219
CutawayMode GetCutawayMode() const
G4bool IsCutaway() const
DrawingStyle GetDrawingStyle() const
const char * name(G4int ptype)