f36bc69c58
that they arn't created on the stack inappropriately. Split the implemention of Matrix up so that it is a simple no referenced counted class and can be safefly created on the stack. To support referenced counting a seperate subclass now exists, this is RefMatrix which inherits from both Matrix and Object.
87 lines
2.2 KiB
Plaintext
87 lines
2.2 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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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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// forward declare RenderGraph
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class RenderGraph;
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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):
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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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inline void set(osg::Drawable* drawable,osg::RefMatrix* projection,osg::RefMatrix* modelview, float depth=0.0f)
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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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}
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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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}
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virtual void render(osg::State& state,RenderLeaf* previous);
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/// allow RenderGraph to change the RenderLeaf's _parent.
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friend class osgUtil::RenderGraph;
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public:
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RenderGraph* _parent;
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osg::Drawable* _drawable;
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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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private:
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/// disallow creation of blank RenderLeaf as this isn't useful.
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RenderLeaf():
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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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/// disallow copy construction.
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RenderLeaf(const RenderLeaf&):osg::Referenced() {}
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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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