Gabriele Cosmo
121 lines
4.0 KiB
C++
121 lines
4.0 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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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. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id: G4OpenGLImmediateXmViewer.cc,v 1.17 2006/07/03 16:38:13 allison Exp $
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// GEANT4 tag $Name: geant4-09-00 $
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//
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//
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// Andrew Walkden 10th February 1997
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// Class G4OpenGLImmediateXmViewer : a class derived from G4OpenGLXmViewer
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// and G4OpenGLImmediateViewer.
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#ifdef G4VIS_BUILD_OPENGLXM_DRIVER
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#include "G4OpenGLImmediateXmViewer.hh"
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#include "G4ios.hh"
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G4OpenGLImmediateXmViewer::
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G4OpenGLImmediateXmViewer(G4OpenGLImmediateSceneHandler& sceneHandler,
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const G4String& name)
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: G4VViewer (sceneHandler, sceneHandler.IncrementViewCount (), name),
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G4OpenGLViewer (sceneHandler),
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G4OpenGLXmViewer (sceneHandler),
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G4OpenGLImmediateViewer (sceneHandler)
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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 << "G4OpenGLImmediateXmViewer::G4OpenGLImmediateXmViewer -"
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" G4OpenGLXmViewer 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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G4OpenGLImmediateXmViewer::~G4OpenGLImmediateXmViewer () {}
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void G4OpenGLImmediateXmViewer::Initialise () {
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CreateGLXContext (vi_immediate);
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CreateMainWindow ();
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CreateFontLists ();
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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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glDepthFunc (GL_LEQUAL);
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glDepthMask (GL_TRUE);
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glColorMask (GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
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glLineWidth (1.0);
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glEnable (GL_BLEND);
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glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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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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glDrawBuffer (GL_FRONT);
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}
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void G4OpenGLImmediateXmViewer::DrawView () {
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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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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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void G4OpenGLImmediateXmViewer::FinishView () {
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glXWaitGL (); //Wait for effects of all previous OpenGL commands to
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//be propogated before progressing.
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glFlush ();
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}
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#endif
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