OpendTect  6.3
swapbuffercallback.h
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1 #ifndef swapbuffercallback_h
2 #define swapbuffercallback_h
3 
4 /*+
5  ________________________________________________________________________
6 
7  (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
8  Author: K. Tingdahl
9  Date: Oct 2015
10 ________________________________________________________________________
11 
12 */
13 
14 #include <osg/GraphicsContext>
15 
16 #include "visscene.h"
17 #include "ui3dviewerbody.h"
18 
25 class SwapCallback : public osg::GraphicsContext::SwapCallback
26 {
27 public:
28  SwapCallback( ui3DViewerBody* body )
29  : scene_( 0 )
30  , nrleft_( 2 )
31  , body_( body )
32  {}
33  void swapBuffersImplementation(osg::GraphicsContext* gc)
34  {
35  gc->swapBuffersImplementation();
36  if ( scene_ && nrleft_ )
37  {
38  nrleft_--;
39  if ( !nrleft_ )
40  {
41  scene_->contextIsUp.trigger();
42  CallBack::addToMainThread( mCB(body_,ui3DViewerBody,
43  removeSwapCallback));
44  }
45  }
46  }
47 
48 
49  int nrleft_;
50  visBase::Scene* scene_;
51  ui3DViewerBody* body_;
52 };
53 
54 #endif
SwapCallback::scene_
visBase::Scene * scene_
Definition: swapbuffercallback.h:50
SwapCallback::swapBuffersImplementation
void swapBuffersImplementation(osg::GraphicsContext *gc)
Definition: swapbuffercallback.h:33
SwapCallback::nrleft_
int nrleft_
Definition: swapbuffercallback.h:49
ui3DViewerBody
Baseclass for different body implementation (direct & indirect) of OSG.
Definition: ui3dviewerbody.h:59
SwapCallback
Class for a swap callback. This class triggers on the second render that the context is up an running...
Definition: swapbuffercallback.h:25
mCB
#define mCB(obj, clss, fn)
To make your CallBack. Used in many places, especially the UI.
Definition: callback.h:41
SwapCallback::SwapCallback
SwapCallback(ui3DViewerBody *body)
Definition: swapbuffercallback.h:28
visBase::Scene::contextIsUp
Notifier< Scene > contextIsUp
Definition: visscene.h:74
CallBack::addToMainThread
static bool addToMainThread(const CallBack &, CallBacker *=0)
visBase::Scene
Scene manages all DataObjects and has some managing functions such as the selection management and va...
Definition: visscene.h:38
SwapCallback::body_
ui3DViewerBody * body_
Definition: swapbuffercallback.h:51

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