129 lines
3.9 KiB
C++
129 lines
3.9 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSGUTIL_RENDERLEAF
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#define OSGUTIL_RENDERLEAF 1
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#include <osg/ref_ptr>
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#include <osg/Matrix>
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#include <osg/Drawable>
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#include <osg/State>
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#include <osgUtil/Export>
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namespace osgUtil {
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#define OSGUTIL_RENDERBACKEND_USE_REF_PTR
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// Forward declare StateGraph
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class StateGraph;
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/** Container class for all data required for rendering of drawables.
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*/
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class OSGUTIL_EXPORT RenderLeaf : public osg::Referenced
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{
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public:
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inline RenderLeaf(osg::Drawable* drawable,osg::RefMatrix* projection,osg::RefMatrix* modelview, float depth=0.0f, unsigned int traversalOrderNumber=0):
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osg::Referenced(false),
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_parent(0),
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_drawable(drawable),
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_projection(projection),
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_modelview(modelview),
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_depth(depth),
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_traversalOrderNumber(traversalOrderNumber)
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{
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_dynamic = (drawable->getDataVariance()==osg::Object::DYNAMIC);
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}
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inline void set(osg::Drawable* drawable,osg::RefMatrix* projection,osg::RefMatrix* modelview, float depth=0.0f, unsigned int traversalOrderNumber=0)
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{
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_parent = 0;
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_drawable = drawable;
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_projection = projection;
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_modelview = modelview;
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_depth = depth;
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_dynamic = (drawable->getDataVariance()==osg::Object::DYNAMIC);
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_traversalOrderNumber = traversalOrderNumber;
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}
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inline void reset()
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{
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_parent = 0;
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_drawable = 0;
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_projection = 0;
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_modelview = 0;
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_depth = 0.0f;
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_dynamic = false;
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_traversalOrderNumber = 0;
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}
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virtual void render(osg::RenderInfo& renderInfo,RenderLeaf* previous);
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virtual void resizeGLObjectBuffers(unsigned int maxSize)
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{
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if (_drawable) _drawable->resizeGLObjectBuffers(maxSize);
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}
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virtual void releaseGLObjects(osg::State* state=0) const
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{
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if (_drawable) _drawable->releaseGLObjects(state);
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}
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/// Allow StateGraph to change the RenderLeaf's _parent.
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friend class osgUtil::StateGraph;
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public:
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StateGraph* _parent;
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#ifdef OSGUTIL_RENDERBACKEND_USE_REF_PTR
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osg::ref_ptr<osg::Drawable> _drawable;
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const osg::Drawable* getDrawable() const { return _drawable.get(); }
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#else
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osg::Drawable* _drawable;
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const osg::Drawable* getDrawable() const { return _drawable; }
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#endif
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osg::ref_ptr<osg::RefMatrix> _projection;
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osg::ref_ptr<osg::RefMatrix> _modelview;
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float _depth;
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bool _dynamic;
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unsigned int _traversalOrderNumber;
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private:
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/// disallow creation of blank RenderLeaf as this isn't useful.
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RenderLeaf():
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osg::Referenced(false),
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_parent(0),
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_drawable(0),
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_projection(0),
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_modelview(0),
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_depth(0.0f),
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_traversalOrderNumber(0) {}
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/// disallow copy construction.
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RenderLeaf(const RenderLeaf&):osg::Referenced(false) {}
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/// disallow copy operator.
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RenderLeaf& operator = (const RenderLeaf&) { return *this; }
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};
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}
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#endif
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