OpenSceneGraph/src/osgPresentation/CompileSlideCallback.cpp

49 lines
1.5 KiB
C++

/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#include <osgPresentation/CompileSlideCallback>
#include <osgUtil/GLObjectsVisitor>
using namespace osgPresentation;
void CompileSlideCallback::operator()(const osg::Camera & camera) const
{
osg::GraphicsContext* context = const_cast<osg::GraphicsContext*>(camera.getGraphicsContext());
if (!context) return;
osg::State* state = context->getState();
if (!state) return;
const osg::FrameStamp* fs = state->getFrameStamp();
if (!fs) return;
if (_needCompile)
{
_frameNumber = fs->getFrameNumber();
_needCompile = false;
}
if (_frameNumber!=fs->getFrameNumber()) return;
osgUtil::GLObjectsVisitor globjVisitor(osgUtil::GLObjectsVisitor::COMPILE_DISPLAY_LISTS|
osgUtil::GLObjectsVisitor::COMPILE_STATE_ATTRIBUTES);
globjVisitor.setTraversalMode(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN);
globjVisitor.setNodeMaskOverride(0xffffffff);
globjVisitor.setState(state);
_sceneToCompile->accept(globjVisitor);
}