source: trunk/source/visualization/OpenGL/src/G4OpenGLStoredXmViewer.cc @ 938

Last change on this file since 938 was 938, checked in by garnier, 15 years ago

print PS marche, mais plein de msg de debug a supprimer

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27// $Id: G4OpenGLStoredXmViewer.cc,v 1.24 2009/01/19 16:53:42 lgarnier Exp $
28// GEANT4 tag $Name:  $
29//
30//
31// Andrew Walkden  10th February 1997
32// Class G4OpenGLStoredXmViewer : a class derived from G4OpenGLXmViewer
33//                              and G4OpenGLStoredViewer.
34
35#define G4DEBUG_VIS_OGL 1
36#ifdef G4VIS_BUILD_OPENGLXM_DRIVER
37
38#include "G4OpenGLStoredXmViewer.hh"
39
40#include "G4ios.hh"
41
42G4OpenGLStoredXmViewer::
43G4OpenGLStoredXmViewer (G4OpenGLStoredSceneHandler& sceneHandler,
44                        const G4String& name)
45 : G4VViewer (sceneHandler, sceneHandler.IncrementViewCount (), name),
46   G4OpenGLViewer (sceneHandler),
47   G4OpenGLXmViewer (sceneHandler),
48   G4OpenGLStoredViewer (sceneHandler)
49{
50
51  if (fViewId < 0) return;  // In case error in base class instantiation.
52
53  if (!vi_stored) {
54    fViewId = -1;  // This flags an error.
55    G4cerr << "G4OpenGLStoredXmViewer::G4OpenGLStoredXmViewer -"
56      " G4OpenGLXmViewer couldn't get a visual." << G4endl;
57    return;
58  }
59}
60
61G4OpenGLStoredXmViewer::~G4OpenGLStoredXmViewer () {}
62
63void G4OpenGLStoredXmViewer::Initialise () {
64
65  CreateGLXContext (vi_stored);
66  CreateMainWindow ();
67  CreateFontLists ();
68
69  InitializeGLView ();
70
71// clear the buffers and window.
72  ClearView ();
73  FinishView ();
74 
75  glDepthFunc (GL_LEQUAL);
76  glDepthMask (GL_TRUE);
77 
78  glEnable (GL_BLEND);
79  glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
80
81  glDrawBuffer (GL_BACK);
82}
83
84void G4OpenGLStoredXmViewer::DrawView () {
85#ifdef G4DEBUG_VIS_OGL
86  printf("G4OpenGLStoredXmViewer::DrawView  VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV\n");
87#endif
88
89  //Make sure current viewer is attached and clean...
90  glXMakeCurrent (dpy, win, cx);
91
92  G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
93
94  //See if things have changed from last time and remake if necessary...
95  // /vis/viewer/rebuild, but if not, make decision and set flag only
96  // if necessary...
97  if (!fNeedKernelVisit) KernelVisitDecision ();
98  G4bool kernelVisitWasNeeded = fNeedKernelVisit; // Keep (ProcessView resets).
99  ProcessView ();
100
101  if(style!=G4ViewParameters::hlr &&
102     haloing_enabled) {
103
104    HaloingFirstPass ();
105    DrawDisplayLists ();
106    glFlush ();
107
108    HaloingSecondPass ();
109
110    DrawDisplayLists ();
111    FinishView ();
112
113  } else {
114
115    // If kernel visit was needed, drawing and FinishView will already
116    // have been done, so...
117    if (!kernelVisitWasNeeded) {
118#ifdef G4DEBUG_VIS_OGL
119      printf("**************************  G4OpenGLStoredXmViewer::ComputeView Don't need kernel Visit \n");
120#endif
121      DrawDisplayLists ();
122      FinishView ();
123    } else {
124#ifdef G4DEBUG_VIS_OGL
125      printf("**************************  G4OpenGLStoredXmViewer::ComputeView Need kernel Visit \n");
126#endif
127    // However, union cutaways are implemented in DrawDisplayLists, so make
128    // an extra pass...
129      if (fVP.IsCutaway() &&
130          fVP.GetCutawayMode() == G4ViewParameters::cutawayUnion) {
131        ClearView();
132        DrawDisplayLists ();
133        FinishView ();
134      }
135    }
136  }
137#ifdef G4DEBUG_VIS_OGL
138  printf("G4OpenGLStoredXmViewer::DrawView  ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n");
139#endif
140}
141
142void G4OpenGLStoredXmViewer::FinishView () {
143  glXWaitGL (); //Wait for effects of all previous OpenGL commands to
144                //be propogated before progressing.
145  GLint renderMode;
146  glGetIntegerv(GL_RENDER_MODE, &renderMode);
147  if (renderMode == GL_RENDER) glXSwapBuffers (dpy, win); 
148}
149
150#endif
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