FGFS-4.1/OpenSceneGraph
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Added releaseAllGLObjects() convinience method.

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This commit is contained in:
Robert Osfield 2004-09-23 20:01:40 +00:00
parent 1b31024cd5
commit b9e4235d85
3 changed files with 17 additions and 0 deletions
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5
include/osgUtil/SceneView
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@ -414,6 +414,11 @@ class OSGUTIL_EXPORT SceneView : public osg::Referenced, public osg::CullSetting
/** Do draw traversal of draw bins generated by cull traversal.*/
virtual void draw();
/** Releast all OpenGL objects from the scene graph, such as texture objects, display lists etc.
* These released scene graphs placed in the respective delete GLObjects cache, which
* then need to be deleted in OpenGL by SceneView::flushAllDeleteGLObjects(). */
virtual void releaseAllGLObjects();
/** Flush all deleted OpenGL objects, such as texture objects, display lists etc.*/
virtual void flushAllDeletedGLObjects();

2
src/osgUtil/GLObjectsVisitor.cpp
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@ -12,6 +12,7 @@
*/
#include <osgUtil/GLObjectsVisitor>
#include <osg/Drawable>
#include <osg/Notify>
using namespace osg;
using namespace osgUtil;
@ -88,6 +89,7 @@ void GLObjectsVisitor::apply(osg::StateSet& stateset)
}
if (_mode&RELEASE_STATE_ATTRIBUTES)
{
osg::notify(osg::NOTICE)<<"GLObjectsVisitor::apply"<<std::endl;
stateset.releaseGLObjects(_state.get());
}
}

10
src/osgUtil/SceneView.cpp
View File

@ -614,6 +614,16 @@ void SceneView::cullStage(const osg::Matrixd& projection,const osg::Matrixd& mod
rendergraph->prune();
}
void SceneView::releaseAllGLObjects()
{
if (!_sceneData) return;
GLObjectsVisitor globjv(GLObjectsVisitor::RELEASE_DISPLAY_LISTS|GLObjectsVisitor::RELEASE_STATE_ATTRIBUTES);
globjv.setNodeMaskOverride(0xffffffff);
globjv.setState(_state.get());
_sceneData->accept(globjv);
}
void SceneView::flushAllDeletedGLObjects()
{