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G4OpenGLImmediateWin32Viewer.cc
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27 // $Id: G4OpenGLImmediateWin32Viewer.cc 97241 2016-05-30 12:06:54Z gcosmo $
28 //
29 //
30 // Class G4OpenGLImmediateWin32Viewer : a class derived from G4OpenGLWin32Viewer and
31 // G4OpenGLImmediateViewer.
32 
33 #ifdef G4VIS_BUILD_OPENGLWIN32_DRIVER
34 
37 
38 #include "G4ios.hh"
39 
40 G4OpenGLImmediateWin32Viewer::G4OpenGLImmediateWin32Viewer
41 (G4OpenGLImmediateSceneHandler& sceneHandler,
42  const G4String& name):
43 G4OpenGLViewer (sceneHandler),
44 G4OpenGLWin32Viewer (sceneHandler),
45 G4OpenGLImmediateViewer (sceneHandler),
46 G4VViewer (sceneHandler, sceneHandler.IncrementViewCount (), name) {
47 
48  if (fViewId < 0) return; // In case error in base class instantiation.
49 }
50 
51 void G4OpenGLImmediateWin32Viewer::Initialise () {
52 
53 // ensure a suitable window was found
54 
55  CreateGLWin32Context ();
56  CreateMainWindow ();
57  CreateFontLists ();
58 
59  // If a double buffer context has been forced upon us, ignore the
60  // back buffer for this OpenGLImmediate view.
61  glDrawBuffer (GL_FRONT);
62 
63  // clear the buffers and window.
64  ClearView ();
65  FinishView ();
66 
67  glDepthFunc (GL_LEQUAL);
68  glDepthMask (GL_TRUE);
69 }
70 
71 void G4OpenGLImmediateWin32Viewer::DrawView () {
72 
73  // If a double buffer context has been forced upon us, ignore the
74  // back buffer for this OpenGLImmediate view.
75  glDrawBuffer (GL_FRONT);
76 
77  G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
78 
79  glViewport (0, 0, getWinWidth(), getWinHeight());
80 
81  if(style!=G4ViewParameters::hlr &&
82  haloing_enabled) {
83 
84  HaloingFirstPass ();
85  NeedKernelVisit ();
86  ProcessView ();
87  glFlush ();
88 
89  HaloingSecondPass ();
90 
91  }
92 
93  NeedKernelVisit (); // Always need to visit G4 kernel.
94  ProcessView ();
95  FinishView ();
96 
97 }
98 
100 void G4OpenGLImmediateWin32Viewer::FinishView (
101 )
102 {
105  if(!fHDC) return;
106 
107  glFlush ();
108 
109  // Empty the Windows message queue :
110  MSG event;
111  while ( ::PeekMessage(&event, NULL, 0, 0, PM_REMOVE) ) {
112  ::TranslateMessage(&event);
113  ::DispatchMessage (&event);
114  }
115 }
116 
117 #endif
const XML_Char * name
Definition: expat.h:151