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geant4/source/visualization/OpenGL/src/G4OpenGLImmediateXViewer.cc
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2016-06-08 15:09:25 +02:00

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// This code implementation is the intellectual property of
// the RD44 GEANT4 collaboration.
//
// By copying, distributing or modifying the Program (or any work
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
//
// $Id: G4OpenGLImmediateXViewer.cc,v 1.2 1999/05/10 14:03:55 johna Exp $
// GEANT4 tag $Name: geant4-00-01 $
//
//
// Andrew Walkden 7th February 1997
// Class G4OpenGLImmediateXViewer : a class derived from G4OpenGLXViewer and
// G4OpenGLImmediateViewer.
#ifdef G4VIS_BUILD_OPENGLX_DRIVER
#include "G4OpenGLImmediateXViewer.hh"
#include <GL/gl.h>
#include <GL/glx.h>
#include <GL/glu.h>
#include "G4ios.hh"
#include <assert.h>
#include <unistd.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
G4OpenGLImmediateXViewer::G4OpenGLImmediateXViewer (G4OpenGLImmediateSceneHandler& scene,
const G4String& name):
G4OpenGLViewer (scene),
G4OpenGLXViewer (scene),
G4OpenGLImmediateViewer (scene),
G4VViewer (scene, scene.IncrementViewCount (), name) {
if (fViewId < 0) return; // In case error in base class instantiation.
// ensure a suitable window was found
if (!vi_immediate) {
G4cerr << "G4OpenGLImmediateXViewer::G4OpenGLImmediateXViewer -"
" G4OpenGLXViewer couldn't get a visual." << endl;
fViewId = -1; // This flags an error.
return;
}
CreateGLXContext (vi_immediate);
InitializeGLView ();
CreateMainWindow ();
// clear the buffers and window.
ClearView ();
FinishView ();
// If a double buffer context has been forced upon us, ignore the
// back buffer for this OpenGLImmediate view.
if (doublebuffer) {
doublebuffer = false;
glDrawBuffer (GL_FRONT);
}
glDepthFunc (GL_LEQUAL);
glDepthMask (GL_TRUE);
}
G4OpenGLImmediateXViewer::~G4OpenGLImmediateXViewer () {}
void G4OpenGLImmediateXViewer::DrawView () {
// If a double buffer context has been forced upon us, ignore the
// back buffer for this OpenGLImmediate view.
if (doublebuffer) {
doublebuffer = false;
glDrawBuffer (GL_FRONT);
}
if (white_background == true) {
glClearColor (1., 1., 1., 1.);
} else {
glClearColor (0., 0., 0., 1.);
}
glClearDepth (1.0);
G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
//Make sure current viewer is attached and clean...
glXMakeCurrent (dpy, win, cx);
glViewport (0, 0, WinSize_x, WinSize_y);
ClearView ();
if(style!=G4ViewParameters::hlr &&
haloing_enabled) {
HaloingFirstPass ();
NeedKernelVisit ();
ProcessView ();
glFlush ();
HaloingSecondPass ();
}
NeedKernelVisit (); // Always need to visit G4 kernel.
ProcessView ();
FinishView ();
}
#endif