Geant4_10
G4OpenGLImmediateXViewer.cc
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27 // $Id: G4OpenGLImmediateXViewer.cc 66373 2012-12-18 09:41:34Z gcosmo $
28 //
29 //
30 // Andrew Walkden 7th February 1997
31 // Class G4OpenGLImmediateXViewer : a class derived from G4OpenGLXViewer and
32 // G4OpenGLImmediateViewer.
33 
34 #ifdef G4VIS_BUILD_OPENGLX_DRIVER
35 
38 
39 #include "G4ios.hh"
40 
41 G4OpenGLImmediateXViewer::
42 G4OpenGLImmediateXViewer (G4OpenGLImmediateSceneHandler& sceneHandler,
43  const G4String& name)
44  : G4VViewer (sceneHandler, sceneHandler.IncrementViewCount (), name),
45  G4OpenGLViewer (sceneHandler),
46  G4OpenGLXViewer (sceneHandler),
47  G4OpenGLImmediateViewer (sceneHandler)
48 {
49  if (fViewId < 0) return; // In case error in base class instantiation.
50 
51 // ensure a suitable window was found
52  if (!vi_immediate) {
53  G4cerr << "G4OpenGLImmediateXViewer::G4OpenGLImmediateXViewer -"
54  " G4OpenGLXViewer couldn't get a visual." << G4endl;
55  fViewId = -1; // This flags an error.
56  return;
57  }
58 }
59 
60 G4OpenGLImmediateXViewer::~G4OpenGLImmediateXViewer () {}
61 
62 void G4OpenGLImmediateXViewer::Initialise () {
63 
64  CreateGLXContext (vi_immediate);
65  CreateMainWindow ();
66  CreateFontLists ();
67 
68  InitializeGLView ();
69 
70  // If a double buffer context has been forced upon us, ignore the
71  // back buffer for this OpenGLImmediate view.
72  glDrawBuffer (GL_FRONT);
73 
74  glDepthFunc (GL_LEQUAL);
75  glDepthMask (GL_TRUE);
76 }
77 
78 void G4OpenGLImmediateXViewer::DrawView () {
79 
80  G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
81 
82  //Make sure current viewer is attached and clean...
83  glXMakeCurrent (dpy, win, cx);
84 
85  if(style!=G4ViewParameters::hlr &&
86  haloing_enabled) {
87 
88  HaloingFirstPass ();
89  NeedKernelVisit ();
90  ProcessView ();
91  glFlush ();
92 
93  HaloingSecondPass ();
94 
95  }
96 
97  NeedKernelVisit (); // Always need to visit G4 kernel.
98  ProcessView ();
99  FinishView ();
100 
101 }
102 
103 void G4OpenGLImmediateXViewer::FinishView () {
104  glXWaitGL (); //Wait for effects of all previous OpenGL commands to
105  //be propogated before progressing.
106  glFlush ();
107 }
108 
109 #endif
const XML_Char * name
Definition: expat.h:151
#define G4endl
Definition: G4ios.hh:61
G4GLOB_DLL std::ostream G4cerr