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G4OpenGLImmediateXViewer.cc
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27 // $Id: G4OpenGLImmediateXViewer.cc 97241 2016-05-30 12:06:54Z 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 #include "G4Threading.hh"
41 
42 G4OpenGLImmediateXViewer::
43 G4OpenGLImmediateXViewer (G4OpenGLImmediateSceneHandler& sceneHandler,
44  const G4String& name)
45  : G4VViewer (sceneHandler, sceneHandler.IncrementViewCount (), name),
46  G4OpenGLViewer (sceneHandler),
47  G4OpenGLXViewer (sceneHandler),
48  G4OpenGLImmediateViewer (sceneHandler)
49 {
50  if (fViewId < 0) return; // In case error in base class instantiation.
51 
52 // ensure a suitable window was found
53  if (!vi_immediate) {
54  G4cerr << "G4OpenGLImmediateXViewer::G4OpenGLImmediateXViewer -"
55  " G4OpenGLXViewer couldn't get a visual." << G4endl;
56  fViewId = -1; // This flags an error.
57  return;
58  }
59 }
60 
61 G4OpenGLImmediateXViewer::~G4OpenGLImmediateXViewer () {}
62 
63 void G4OpenGLImmediateXViewer::Initialise () {
64 
65  CreateGLXContext (vi_immediate);
66  CreateMainWindow ();
67  CreateFontLists ();
68 
69  InitializeGLView ();
70 
71  // If a double buffer context has been forced upon us, ignore the
72  // back buffer for this OpenGLImmediate view.
73  glDrawBuffer (GL_FRONT);
74 
75  glDepthFunc (GL_LEQUAL);
76  glDepthMask (GL_TRUE);
77 }
78 
79 void G4OpenGLImmediateXViewer::DrawView () {
80 
81  G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
82 
83  if(style!=G4ViewParameters::hlr &&
84  haloing_enabled) {
85 
86  HaloingFirstPass ();
87  NeedKernelVisit ();
88  ProcessView ();
89  glFlush ();
90 
91  HaloingSecondPass ();
92 
93  }
94 
95  NeedKernelVisit (); // Always need to visit G4 kernel.
96  ProcessView ();
97  FinishView ();
98 
99 }
100 
101 void G4OpenGLImmediateXViewer::FinishView () {
102  glXWaitGL (); //Wait for effects of all previous OpenGL commands to
103  //be propogated before progressing.
104  glFlush ();
105 }
106 
107 #endif
const XML_Char * name
Definition: expat.h:151
#define G4endl
Definition: G4ios.hh:61
G4GLOB_DLL std::ostream G4cerr