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118 lines
3.6 KiB
118 lines
3.6 KiB
/* -*-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 traversalNumber=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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_traversalNumber(traversalNumber) |
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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 traversalNumber=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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_traversalNumber = traversalNumber; |
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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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_traversalNumber = 0; |
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} |
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virtual void render(osg::RenderInfo& renderInfo,RenderLeaf* previous); |
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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 _traversalNumber; |
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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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_traversalNumber(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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