Class ShaderAttribute

  • Direct Known Subclasses:
    ShaderAttributeBinding, ShaderAttributeObject

    public abstract class ShaderAttribute
    extends NodeComponent
    The ShaderAttribute object encapsulates a uniform attribute for a shader programs. Uniform attributes (variables) are those attributes whose values are constant during the rendering of a primitive. Their values may change from primitive to primitive, but are constant for each vertex (for vertex shaders) or fragment (for fragment shaders) of a single primitive. Examples of uniform attributes include a transformation matrix, a texture map, lights, lookup tables, etc.

    There are two ways in which values can be specified for uniform attributes: explicitly, by providing a value; and implicitly, by defining a binding between a Java 3D system attribute and a uniform attribute. This functionality is provided by two subclasses of ShaderAttribute as follows:

    • ShaderAttributeObject, in which attributes are expressed as (attrName, value) pairs, is used for explicitly defined attributes
    • ShaderAttributeBinding, in which attributes are expressed as (attrName, j3dAttrName) pairs, is used for implicitly defined, automatically tracked attributes
    Since:
    Java 3D 1.4
    See Also:
    ShaderAttributeSet, ShaderProgram
    • Method Detail

      • getAttributeName

        public java.lang.String getAttributeName()
        Retrieves the name of this shader attribute.
        Returns:
        the name of this shader attribute