| Geant4 Cross Reference |
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
27 //
28 //
29 // Class G4OpenGLStoredWin32Viewer : a class derived from G4OpenGLWin32Viewer and
30 // G4OpenGLStoredViewer.
31
32 #include "G4OpenGLStoredWin32Viewer.hh"
33
34 #include "G4OpenGLStoredSceneHandler.hh"
35
36 #include "G4ios.hh"
37
38 G4OpenGLStoredWin32Viewer::G4OpenGLStoredWin32Viewer
39 (G4OpenGLStoredSceneHandler& sceneHandler,
40 const G4String& name):
41 G4OpenGLViewer (sceneHandler),
42 G4OpenGLWin32Viewer (sceneHandler),
43 G4OpenGLStoredViewer (sceneHandler),
44 G4VViewer (sceneHandler, sceneHandler.IncrementViewCount (), name) {
45
46 if (fViewId < 0) return; // In case error in base class instantiation.
47 }
48
49 void G4OpenGLStoredWin32Viewer::Initialise () {
50
51 //Check that G4OpenGLWin32Viewer got a double buffered colour visual
52
53 CreateGLWin32Context ();
54 CreateMainWindow ();
55 CreateFontLists ();
56
57 // clear the buffers and window.
58 ClearView ();
59 FinishView ();
60
61 glDepthFunc (GL_LEQUAL);
62 glDepthMask (GL_TRUE);
63 }
64
65 void G4OpenGLStoredWin32Viewer::DrawView () {
66
67 glViewport (0, 0, getWinWidth(), getWinHeight());
68
69 G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
70
71 //See if things have changed from last time and remake if necessary...
72 // The fNeedKernelVisit flag might have been set by the user in
73 // /vis/viewer/rebuild, but if not, make decision and set flag only
74 // if necessary...
75 if (!fNeedKernelVisit) KernelVisitDecision ();
76 fLastVP = fVP;
77 G4bool kernelVisitWasNeeded = fNeedKernelVisit; // Keep (ProcessView resets).
78 ProcessView ();
79
80 if(style!=G4ViewParameters::hlr &&
81 haloing_enabled) {
82
83 HaloingFirstPass ();
84 DrawDisplayLists ();
85 glFlush ();
86
87 HaloingSecondPass ();
88
89 DrawDisplayLists ();
90 FinishView ();
91
92 } else {
93
94 // If kernel visit was needed, drawing and FinishView will already
95 // have been done, so...
96 if (!kernelVisitWasNeeded) {
97 DrawDisplayLists ();
98 FinishView ();
99 } else {
100 // However, union cutaways are implemented in DrawDisplayLists, so make
101 // an extra pass...
102 if (fVP.IsCutaway() &&
103 fVP.GetCutawayMode() == G4ViewParameters::cutawayUnion) {
104 ClearView();
105 DrawDisplayLists ();
106 FinishView ();
107 } else { // ADD TO AVOID KernelVisit=1 and nothing to display
108 DrawDisplayLists ();
109 FinishView ();
110 }
111 }
112 }
113 }
114
115 //////////////////////////////////////////////////////////////////////////////
116 void G4OpenGLStoredWin32Viewer::FinishView (
117 )
118 //////////////////////////////////////////////////////////////////////////////
119 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
120 {
121 if(!fHDC) return;
122
123 glFlush ();
124 GLint renderMode;
125 glGetIntegerv(GL_RENDER_MODE, &renderMode);
126 if (renderMode == GL_RENDER) ::SwapBuffers(fHDC);
127
128 // Empty the Windows message queue :
129 MSG event;
130 while ( ::PeekMessage(&event, NULL, 0, 0, PM_REMOVE) ) {
131 ::TranslateMessage(&event);
132 ::DispatchMessage (&event);
133 }
134 }
135