G4OpenGLImmediateWin32Viewer.cc

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// Class G4OpenGLImmediateWin32Viewer : a class derived from G4OpenGLWin32Viewer and
//                                G4OpenGLImmediateViewer.
 
#ifdef G4VIS_BUILD_OPENGLWIN32_DRIVER
 
#include "G4OpenGLImmediateWin32Viewer.hh"
#include "G4OpenGLImmediateSceneHandler.hh"
 
#include "G4ios.hh"
 
G4OpenGLImmediateWin32Viewer::G4OpenGLImmediateWin32Viewer
(G4OpenGLImmediateSceneHandler& sceneHandler,
 const G4String&  name):
G4OpenGLViewer (sceneHandler),
G4OpenGLWin32Viewer (sceneHandler),
G4OpenGLImmediateViewer (sceneHandler),
G4VViewer (sceneHandler, sceneHandler.IncrementViewCount (), name) {
 
  if (fViewId < 0) return;  // In case error in base class instantiation.
}
 
void G4OpenGLImmediateWin32Viewer::Initialise () {
 
// ensure a suitable window was found
 
  CreateGLWin32Context ();
  CreateMainWindow ();
  CreateFontLists ();
 
  // If a double buffer context has been forced upon us, ignore the
  // back buffer for this OpenGLImmediate view.
  glDrawBuffer (GL_FRONT);
 
  // clear the buffers and window.
  ClearView ();
  FinishView ();
 
  glDepthFunc (GL_LEQUAL);
  glDepthMask (GL_TRUE);
}
 
void G4OpenGLImmediateWin32Viewer::DrawView () {
 
  // If a double buffer context has been forced upon us, ignore the
  // back buffer for this OpenGLImmediate view.
  glDrawBuffer (GL_FRONT);
 
  G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
 
  glViewport (0, 0, getWinWidth(), getWinHeight());
 
  if(style!=G4ViewParameters::hlr &&
     haloing_enabled) {
 
    HaloingFirstPass ();
    NeedKernelVisit ();
    ProcessView ();
    glFlush ();
 
    HaloingSecondPass ();
 
  }
 
  NeedKernelVisit ();  // Always need to visit G4 kernel.
  ProcessView ();
  FinishView ();
 
}
 
//////////////////////////////////////////////////////////////////////////////
void G4OpenGLImmediateWin32Viewer::FinishView (
) 
//////////////////////////////////////////////////////////////////////////////
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
{
  if(!fHDC) return;
 
  glFlush ();
 
  // Empty the Windows message queue :
  MSG event;
  while ( ::PeekMessage(&event, NULL, 0, 0, PM_REMOVE) ) {
    ::TranslateMessage(&event);
    ::DispatchMessage (&event);
  }
}
 
#endif