diff options
Diffstat (limited to 'src')
3 files changed, 249 insertions, 0 deletions
diff --git a/src/net/java/joglutils/msg/elements/DepthTestElement.java b/src/net/java/joglutils/msg/elements/DepthTestElement.java new file mode 100644 index 0000000..36a21dd --- /dev/null +++ b/src/net/java/joglutils/msg/elements/DepthTestElement.java @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + */ + +package net.java.joglutils.msg.elements; + +import javax.media.opengl.*; + +import net.java.joglutils.msg.math.*; +import net.java.joglutils.msg.misc.*; +import net.java.joglutils.msg.nodes.*; + +/** Represents the depth test state of the OpenGL fixed-function pipeline. */ + +public class DepthTestElement extends Element { + + // Boilerplate + private static StateIndex index = State.registerElementType(); + public StateIndex getStateIndex() { return index; } + public Element newInstance() { + return new DepthTestElement(); + } + /** Returns the instance of this element in the passed State. */ + public static DepthTestElement getInstance(State state) { + return (DepthTestElement) state.getElement(index); + } + /** Enables this element in the passed state, which should be the + default for a given action. */ + public static void enable(State defaultState) { + DepthTestElement tmp = new DepthTestElement(); + defaultState.setElement(tmp.getStateIndex(), tmp); + } + /** Indicates whether this element is enabled in the given default + state for a particular action. */ + public static boolean isEnabled(State state) { + return (state.getDefaults().getElement(index) != null); + } + + // TODO: eventually we'll want to add other state associated with + // depth testing, such as the the depth function and values + protected boolean enabled; + + /** Sets the depth test state. */ + public static void set(State state, boolean enabled) { + getInstance(state).setElt(enabled); + } + + /** Returns whether depth testing is enabled. */ + public static boolean getEnabled(State state) { + return getInstance(state).enabled; + } + + public void push(State state) { + DepthTestElement prev = (DepthTestElement) getNextInStack(); + if (prev != null) { + // Pull down the data from the previous element + enabled = prev.enabled; + } + } + + /** Sets all of the portions of the depth test state in this element. */ + public void setElt(boolean enabled) { + this.enabled = enabled; + } +} diff --git a/src/net/java/joglutils/msg/elements/GLDepthTestElement.java b/src/net/java/joglutils/msg/elements/GLDepthTestElement.java new file mode 100644 index 0000000..80840d1 --- /dev/null +++ b/src/net/java/joglutils/msg/elements/GLDepthTestElement.java @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + */ + +package net.java.joglutils.msg.elements; + +import java.nio.*; +import javax.media.opengl.*; +import javax.media.opengl.glu.*; + +import net.java.joglutils.msg.math.*; +import net.java.joglutils.msg.misc.*; +import net.java.joglutils.msg.nodes.*; + +/** Represents the depth test state of the OpenGL fixed-function + pipeline and causes side-effects in OpenGL for rendering. */ + +public class GLDepthTestElement extends DepthTestElement { + // Boilerplate for concrete element subclasses + public Element newInstance() { + return new GLDepthTestElement(); + } + public static GLDepthTestElement getInstance(State state) { + return (GLDepthTestElement) DepthTestElement.getInstance(state); + } + public static void enable(State defaultState) { + Element tmp = new GLDepthTestElement(); + defaultState.setElement(tmp.getStateIndex(), tmp); + } + + public void pop(State state, Element previousTopElement) { + send(); + } + + public void setElt(boolean enabled) { + super.setElt(enabled); + send(); + } + + private void send() { + GL gl = GLU.getCurrentGL(); + // Don't try to optimize what we send to OpenGL at this point -- too complicated + if (enabled) { + gl.glEnable(GL.GL_DEPTH_TEST); + } else { + gl.glDisable(GL.GL_DEPTH_TEST); + } + } +} diff --git a/src/net/java/joglutils/msg/nodes/DepthTest.java b/src/net/java/joglutils/msg/nodes/DepthTest.java new file mode 100644 index 0000000..7d3963f --- /dev/null +++ b/src/net/java/joglutils/msg/nodes/DepthTest.java @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + */ + +package net.java.joglutils.msg.nodes; + +import javax.media.opengl.*; + +import net.java.joglutils.msg.actions.*; +import net.java.joglutils.msg.elements.*; + +/** Represents depth test state. */ +public class DepthTest extends Node { + + private boolean enabled = true; + + static { + // Enable the elements this node affects for known actions + GLDepthTestElement.enable(GLRenderAction.getDefaultState()); + } + + /** Sets whether depth testing is enabled. Defaults to true. */ + public void setEnabled(boolean enabled) { + this.enabled = enabled; + } + + /** Returns whether depth testing is enabled. Defaults to true. */ + public boolean getEnabled() { + return enabled; + } + + public void doAction(Action action) { + if (DepthTestElement.isEnabled(action.getState())) { + DepthTestElement.set(action.getState(), getEnabled()); + } + } +} + |