source: trunk/source/visualization/OpenGL/src/G4OpenGLImmediateXViewer.cc @ 850

Last change on this file since 850 was 850, checked in by garnier, 16 years ago

geant4.8.2 beta

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26//
27// $Id: G4OpenGLImmediateXViewer.cc,v 1.16 2006/07/03 16:38:13 allison Exp $
28// GEANT4 tag $Name: HEAD $
29//
30//
31// Andrew Walkden  7th February 1997
32// Class G4OpenGLImmediateXViewer : a class derived from G4OpenGLXViewer and
33//                                G4OpenGLImmediateViewer.
34
35#ifdef G4VIS_BUILD_OPENGLX_DRIVER
36
37#include "G4OpenGLImmediateXViewer.hh"
38
39#include "G4ios.hh"
40
41G4OpenGLImmediateXViewer::
42G4OpenGLImmediateXViewer (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
60G4OpenGLImmediateXViewer::~G4OpenGLImmediateXViewer () {}
61
62void G4OpenGLImmediateXViewer::Initialise () {
63
64  CreateGLXContext (vi_immediate);
65  CreateMainWindow ();
66  CreateFontLists ();
67
68  InitializeGLView ();
69
70  // clear the buffers and window.
71  ClearView ();
72  FinishView ();
73
74  // If a double buffer context has been forced upon us, ignore the
75  // back buffer for this OpenGLImmediate view.
76  glDrawBuffer (GL_FRONT);
77
78  glDepthFunc (GL_LEQUAL);
79  glDepthMask (GL_TRUE);
80}
81
82void G4OpenGLImmediateXViewer::DrawView () {
83
84  G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
85
86  //Make sure current viewer is attached and clean...
87  glXMakeCurrent (dpy, win, cx);
88  glViewport (0, 0, WinSize_x, WinSize_y);
89
90  if(style!=G4ViewParameters::hlr &&
91     haloing_enabled) {
92
93    HaloingFirstPass ();
94    NeedKernelVisit ();
95    ProcessView ();
96    glFlush ();
97
98    HaloingSecondPass ();
99
100  }
101
102  NeedKernelVisit ();  // Always need to visit G4 kernel.
103  ProcessView ();
104  FinishView ();
105
106}
107
108void G4OpenGLImmediateXViewer::FinishView () {
109  glXWaitGL (); //Wait for effects of all previous OpenGL commands to
110                //be propogated before progressing.
111  glFlush ();
112}
113
114#endif
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