Gabriele Cosmo
128 lines
4.2 KiB
C++
128 lines
4.2 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4OpenGLImmediateXViewer.cc,v 1.9 2004/04/07 15:18:22 gbarrand Exp $
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// GEANT4 tag $Name: geant4-06-02 $
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//
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//
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// Andrew Walkden 7th February 1997
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// Class G4OpenGLImmediateXViewer : a class derived from G4OpenGLXViewer and
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// G4OpenGLImmediateViewer.
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#ifdef G4VIS_BUILD_OPENGLX_DRIVER
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#include "G4OpenGLImmediateXViewer.hh"
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#include "G4ios.hh"
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G4OpenGLImmediateXViewer::
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G4OpenGLImmediateXViewer (G4OpenGLImmediateSceneHandler& scene,
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const G4String& name)
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: G4VViewer (scene, scene.IncrementViewCount (), name),
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G4OpenGLViewer (scene),
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G4OpenGLXViewer (scene),
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G4OpenGLImmediateViewer (scene)
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{
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if (fViewId < 0) return; // In case error in base class instantiation.
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// ensure a suitable window was found
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if (!vi_immediate) {
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G4cerr << "G4OpenGLImmediateXViewer::G4OpenGLImmediateXViewer -"
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" G4OpenGLXViewer couldn't get a visual." << G4endl;
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fViewId = -1; // This flags an error.
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return;
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}
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}
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G4OpenGLImmediateXViewer::~G4OpenGLImmediateXViewer () {}
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void G4OpenGLImmediateXViewer::Initialise () {
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CreateGLXContext (vi_immediate);
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CreateMainWindow ();
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InitializeGLView ();
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// clear the buffers and window.
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ClearView ();
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FinishView ();
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//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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//The following code was in the constructor and found not to work for
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//the reasons below. It was moved to DrawView(), but has now been moved
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//to Initialise().
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//The following code is useless in its current position, as the
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//G4OpenGLXmViewer constructor gets called *after* it, and hence sets
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//doublebuffer to true or false there, after our little test to correct
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//it in the case of a double buffer being got for an immediate view.
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//Hence, code moved to DrawView.
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//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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// If a double buffer context has been forced upon us, ignore the
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// back buffer for this OpenGLImmediate view.
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if (doublebuffer) {
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doublebuffer = false;
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glDrawBuffer (GL_FRONT);
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}
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glDepthFunc (GL_LEQUAL);
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glDepthMask (GL_TRUE);
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}
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void G4OpenGLImmediateXViewer::DrawView () {
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if (white_background == true) {
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glClearColor (1., 1., 1., 1.);
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} else {
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glClearColor (0., 0., 0., 1.);
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}
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glClearDepth (1.0);
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G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
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//Make sure current viewer is attached and clean...
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glXMakeCurrent (dpy, win, cx);
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glViewport (0, 0, WinSize_x, WinSize_y);
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ClearView ();
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if(style!=G4ViewParameters::hlr &&
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haloing_enabled) {
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HaloingFirstPass ();
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NeedKernelVisit ();
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ProcessView ();
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glFlush ();
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HaloingSecondPass ();
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}
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NeedKernelVisit (); // Always need to visit G4 kernel.
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ProcessView ();
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FinishView ();
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}
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#endif
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