1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version. The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * OpenSceneGraph Public License for more details.
14#ifndef OSGUTIL_RENDERLEAF
15#define OSGUTIL_RENDERLEAF 1
19#include <osg/Drawable>
22#include <osgUtil/Export>
26#define OSGUTIL_RENDERBACKEND_USE_REF_PTR
28// Forward declare StateGraph
31/** Container class for all data required for rendering of drawables.
33class OSGUTIL_EXPORT RenderLeaf : public osg::Referenced
38 inline RenderLeaf(osg::Drawable* drawable,osg::RefMatrix* projection,osg::RefMatrix* modelview, float depth=0.0f, unsigned int traversalOrderNumber=0):
39 osg::Referenced(false),
42 _projection(projection),
43 _modelview(modelview),
45 _traversalOrderNumber(traversalOrderNumber)
47 _dynamic = (drawable->getDataVariance()==osg::Object::DYNAMIC);
51 inline void set(osg::Drawable* drawable,osg::RefMatrix* projection,osg::RefMatrix* modelview, float depth=0.0f, unsigned int traversalOrderNumber=0)
55 _projection = projection;
56 _modelview = modelview;
58 _dynamic = (drawable->getDataVariance()==osg::Object::DYNAMIC);
59 _traversalOrderNumber = traversalOrderNumber;
70 _traversalOrderNumber = 0;
73 virtual void render(osg::RenderInfo& renderInfo,RenderLeaf* previous);
75 virtual void resizeGLObjectBuffers(unsigned int maxSize)
77 if (_drawable) _drawable->resizeGLObjectBuffers(maxSize);
80 virtual void releaseGLObjects(osg::State* state=0) const
82 if (_drawable) _drawable->releaseGLObjects(state);
85 /// Allow StateGraph to change the RenderLeaf's _parent.
86 friend class osgUtil::StateGraph;
94#ifdef OSGUTIL_RENDERBACKEND_USE_REF_PTR
95 osg::ref_ptr<osg::Drawable> _drawable;
96 const osg::Drawable* getDrawable() const { return _drawable.get(); }
98 osg::Drawable* _drawable;
99 const osg::Drawable* getDrawable() const { return _drawable; }
101 osg::ref_ptr<osg::RefMatrix> _projection;
102 osg::ref_ptr<osg::RefMatrix> _modelview;
105 unsigned int _traversalOrderNumber;
109 /// disallow creation of blank RenderLeaf as this isn't useful.
111 osg::Referenced(false),
117 _traversalOrderNumber(0) {}
119 /// disallow copy construction.
120 RenderLeaf(const RenderLeaf&):osg::Referenced(false) {}
121 /// disallow copy operator.
122 RenderLeaf& operator = (const RenderLeaf&) { return *this; }