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/*
* Copyright 2005-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
package javax.media.j3d;
/**
* The ShaderAttributeBinding object encapsulates a uniform attribute
* whose value is bound to a Java 3D system attribute. The
* shader variable <code>attrName</code> is implicitly set to the
* value of the corresponding Java 3D system attribute
* <code>j3dAttrName</code> during rendering. <code>attrName</code>
* must be the name of a valid uniform attribute in the shader in
* which it is used. Otherwise, the attribute name will be ignored and
* a runtime error may be generated. <code>j3dAttrName</code> must be
* the name of a predefined Java 3D system attribute. An
* IllegalArgumentException will be thrown if the specified
* <code>j3dAttrName</code> is not one of the predefined system
* attributes. Further, the type of the <code>j3dAttrName</code>
* attribute must match the type of the corresponding
* <code>attrName</code> variable in the shader in which it is
* used. Otherwise, the shader will not be able to use the attribute
* and a runtime error may be generated.
*/
class ShaderAttributeBindingRetained extends ShaderAttributeRetained {
String j3dAttrName;
ShaderAttributeBindingRetained() {
}
void initJ3dAttrName(String j3dAttrName) {
this.j3dAttrName = j3dAttrName;
}
/**
* Retrieves the name of the Java 3D system attribute that is bound to this
* shader attribute.
*
* @return the name of the Java 3D system attribute that is bound to this
* shader attribute
*/
String getJ3DAttributeName() {
return j3dAttrName;
}
}
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