736e0f73c3
graph and builds up a map of all StateAttributes and StateSets
and then removes the duplicates. This promotes state sharing
throughout the scene graph which inturn can significantly improve
performance thanks to reduced state changing. Particularily
effective on datasets where a great deal of duplicated state
exists.
o Added pure virtual compare(const osg::StateAttribute&)
method to osg::StateAttribute, and implemented it in all the
subclasses from StateAttribute. Added <,== & != operator
on StateAttribute and Matrix to support new StateOptimizeVisitor.
o Added META_Object, META_Node and META_StateAttribute macros to
Object, Node and StateAttribute respectively which define the
standard pure virtual methods such as clone, className
& isSameKindAs. Changed all the appropriate header files to
use these macro's rather define them in each header, these cleans
up the headers considerably.
o Corrected the implementation of osg::Light::getType so it correctly
uses a unique type for each of the OpenGL lights (GL_LIGHT0..
GL_LIGHT7 relates to osg::StateAttriburte::LIGHT_0..LIGHT_7.
o Changed the definition of osg::StateStateAttribute::Type to
is now a unsigned int rather than an enum, and have changed the
name of the previous Type enum list to be Types. This makes it
more consistent with the difination of values found in
StateAttribute
and also easier to extend with having to cast to an enum.
o From Pail Fredrikson, updated Maitrx.new implemention which uses
the same matrix orientation as the original Matrix implemention.
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25 lines
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<TITLE>#define osg::META_StateAttribute</TITLE>
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<META NAME="GENERATOR" CONTENT="DOC++ 3.4.8">
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<H2>#define <A HREF="#DOC.DOCU">osg::META_StateAttribute</A></H2><H2>(name, type)</H2><BLOCKQUOTE>META_StateAttribute macro define the standard clone, isSameKindAs, className and getType methods.</BLOCKQUOTE>
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<A NAME="DOC.DOCU"></A>
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<HR>
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<H2>Documentation</H2>
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<BLOCKQUOTE>META_StateAttribute macro define the standard clone, isSameKindAs,
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className and getType methods.
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Use when subclassing from Object to make it more convinient to define
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the standard pure virtual methods which are required for all Object
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subclasses.</BLOCKQUOTE>
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