Gets Harvey's changes

1 files changed, 138 insertions, 0 deletions

diff --git a/src/javax/media/j3d/SourceCodeShader.java b/src/javax/media/j3d/SourceCodeShader.java
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+++ b/src/javax/media/j3d/SourceCodeShader.java
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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 SourceCodeShader object is a shader that is defined using
+ * text-based source code. It is used to define the source code for
+ * both vertex and fragment shaders. The currently supported shading
+ * languages are Cg and GLSL.
+ *
+ * @see ShaderProgram
+ *
+ * @since Java 3D 1.4
+ */
+
+public class SourceCodeShader extends Shader {
+
+    /**
+     * Not a public constructor, for internal use
+     */
+    SourceCodeShader() {
+    }
+
+    /**
+     * Constructs a new shader object of the specified shading
+     * language and shader type from the specified source string.
+     *
+     * @param shadingLanguage the specified shading language, one of:
+     * <code>SHADING_LANGUAGE_GLSL</code> or
+     * <code>SHADING_LANGUAGE_CG</code>.
+     *
+     * @param shaderType the shader type, one of:
+     * <code>SHADER_TYPE_VERTEX</code> or
+     * <code>SHADER_TYPE_FRAGMENT</code>.
+     *
+     * @param shaderSource the shader source code
+     *
+     * @exception NullPointerException if shaderSource is null.
+     */
+
+    public SourceCodeShader(int shadingLanguage, int shaderType, String shaderSource) {
+	super(shadingLanguage, shaderType);
+        if (shaderSource == null) {
+            throw new NullPointerException();
+        }
+	((SourceCodeShaderRetained)this.retained).initShaderSource(shaderSource);
+    }
+
+    /**
+     * Retrieves the shader source string from this shader object.
+     *
+     * @return the shader source string.
+     */
+    public String getShaderSource() {
+	return ((SourceCodeShaderRetained)this.retained).getShaderSource();
+    }
+
+
+    /**
+     * Creates a retained mode SourceCodeShaderRetained object that this
+     * SourceCodeShader component object will point to.
+     */
+    @Override
+    void createRetained() {
+	this.retained = new SourceCodeShaderRetained();
+	this.retained.setSource(this);
+	// System.err.println("SourceCodeShader.createRetained()");
+    }
+
+    /**
+     * @deprecated replaced with cloneNodeComponent(boolean forceDuplicate)
+     */
+    @Override
+    public NodeComponent cloneNodeComponent() {
+	SourceCodeShaderRetained scsRetained = (SourceCodeShaderRetained) retained;
+
+	SourceCodeShader scs = new SourceCodeShader(scsRetained.getShadingLanguage(),
+						    scsRetained.getShaderType(),
+						    scsRetained.getShaderSource());
+	scs.duplicateNodeComponent(this);
+	return scs;
+    }
+
+
+   /**
+     * Copies all node information from <code>originalNodeComponent</code>
+     * into the current node.  This method is called from the
+     * <code>duplicateNode</code> method. This routine does
+     * the actual duplication of all "local data" (any data defined in
+     * this object).
+     *
+     * @param originalNodeComponent the original node to duplicate
+     * @param forceDuplicate when set to <code>true</code>, causes the
+     *  <code>duplicateOnCloneTree</code> flag to be ignored.  When
+     *  <code>false</code>, the value of each node's
+     *  <code>duplicateOnCloneTree</code> variable determines whether
+     *  NodeComponent data is duplicated or copied.
+     *
+     * @see Node#cloneTree
+     * @see NodeComponent#setDuplicateOnCloneTree
+     */
+    @Override
+    void duplicateAttributes(NodeComponent originalNodeComponent,
+			     boolean forceDuplicate) {
+	super.duplicateAttributes(originalNodeComponent, forceDuplicate);
+
+	String sc = ((SourceCodeShaderRetained) originalNodeComponent.retained).getShaderSource();
+
+	if (sc != null) {
+	    ((SourceCodeShaderRetained) retained).setShaderSource(sc);
+	}
+    }
+
+}