2 * Copyright (c) 2003-2009 jMonkeyEngine
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33 package com.jme.util.shader.uniformtypes;
35 import java.io.IOException;
36 import java.nio.FloatBuffer;
38 import com.jme.util.export.InputCapsule;
39 import com.jme.util.export.JMEExporter;
40 import com.jme.util.export.JMEImporter;
41 import com.jme.util.export.OutputCapsule;
42 import com.jme.util.shader.ShaderVariable;
44 /** ShaderVariablePointerFloat */
45 public class ShaderVariablePointerFloat extends ShaderVariable {
47 * Specifies the number of values for each element of the generic vertex
48 * attribute array. Must be 1, 2, 3, or 4.
52 * Specifies the byte offset between consecutive attribute values. If stride
53 * is 0 (the initial value), the attribute values are understood to be
54 * tightly packed in the array.
58 * Specifies whether fixed-point data values should be normalized (true) or
59 * converted directly as fixed-point values (false) when they are accessed.
61 public boolean normalized;
62 /** The data for the attribute value */
63 public FloatBuffer data;
65 public void write(JMEExporter e) throws IOException {
67 OutputCapsule capsule = e.getCapsule(this);
69 capsule.write(size, "size", 0);
70 capsule.write(stride, "stride", 0);
71 capsule.write(normalized, "normalized", false);
72 capsule.write(data, "data", null);
75 public void read(JMEImporter e) throws IOException {
77 InputCapsule capsule = e.getCapsule(this);
79 size = capsule.readInt("size", 0);
80 stride = capsule.readInt("stride", 0);
81 normalized = capsule.readBoolean("normalized", false);
82 data = capsule.readFloatBuffer("data", null);