Gabriele Cosmo
93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
// This code implementation is the intellectual property of
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// the RD44 GEANT4 collaboration.
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//
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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 statement,
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// and all its terms.
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//
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// $Id: G4OpenGLStoredView.cc,v 2.2 1998/07/13 17:11:34 urbi Exp $
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// GEANT4 tag $Name: geant4-00 $
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//
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//
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// Andrew Walkden 7th February 1997
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// Class G4OpenGLStoredView : Encapsulates the `storedness' of
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// an OpenGL view, for inheritance by
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// derived (X, Xm...) classes.
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#ifdef G4VIS_BUILD_OPENGL_DRIVER
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#include "G4OpenGLStoredView.hh"
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#include <GL/gl.h>
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#include <GL/glx.h>
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#include <GL/glu.h>
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#include "G4ios.hh"
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#include <assert.h>
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#include <unistd.h>
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class G4OpenGLStoredScene;
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G4OpenGLStoredView::G4OpenGLStoredView (G4OpenGLStoredScene& scene):
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G4VView (scene, -1),
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G4OpenGLView (scene),
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fScene (scene)
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{}
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void G4OpenGLStoredView::KernelVisitDecision () {
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// Trigger a display List refresh if necessary. This is a checklist
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// of relevant view parameters.
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static G4ViewParameters lastVP; // Initialised to default.
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G4bool need = false;
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if (
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(lastVP.GetDrawingStyle () != fVP.GetDrawingStyle ()) ||
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(lastVP.GetRepStyle () != fVP.GetRepStyle ()) ||
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(lastVP.IsCulling () != fVP.IsCulling ()) ||
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(lastVP.IsCullingInvisible () != fVP.IsCullingInvisible ()) ||
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(lastVP.IsDensityCulling () != fVP.IsDensityCulling ()) ||
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(lastVP.IsCullingCovered () != fVP.IsCullingCovered ()) ||
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(lastVP.IsSection () != fVP.IsSection ()) ||
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// No need if section plane changes.
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(lastVP.IsCutaway () != fVP.IsCutaway ()) ||
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(lastVP.GetCutawayPlanes ().entries () !=
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fVP.GetCutawayPlanes ().entries ()) ||
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// No need if cutaway planes change.
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(lastVP.IsExplode () != fVP.IsExplode ()) ||
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(lastVP.GetNoOfSides () != fVP.GetNoOfSides ())
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) {
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need = true;
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}
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if (!need && lastVP.IsDensityCulling () &&
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(lastVP.GetVisibleDensity () != fVP.GetVisibleDensity ()))
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need = true;
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if (!need && lastVP.IsExplode () &&
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(lastVP.GetExplodeFactor () != fVP.GetExplodeFactor ()))
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need = true;
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if (need) {
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lastVP = fVP;
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NeedKernelVisit ();
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}
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}
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void G4OpenGLStoredView::DrawDisplayLists () {
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if (fScene.fTopPODL) glCallList (fScene.fTopPODL);
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G4int nTODLs = fScene.fTODLList.entries ();
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for (int i = 0; i < nTODLs; i++) {
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glPushMatrix();
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G4OpenGLTransform3D oglt (fScene.fTODLTransformList (i));
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glMultMatrixd (oglt.GetGLMatrix ());
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glCallList (fScene.fTODLList(i));
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glPopMatrix();
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}
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}
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#endif
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