Relocate package prefix to org.jogamp.java3d

1 files changed, 0 insertions, 1543 deletions

diff --git a/src/javax/media/j3d/TextureBin.java b/src/javax/media/j3d/TextureBin.java
deleted file mode 100644
index 9af0cc1..0000000
--- a/src/javax/media/j3d/TextureBin.java
+++ /dev/null
@@ -1,1543 +0,0 @@
-/*
- * Copyright 1999-2008 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;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Iterator;
-
-/**
- * The TextureBin manages a collection of TextureSetting objects.
- * All objects in the TextureBin share the same Texture reference.
- */
-
-
-//class TextureBin extends Object implements ObjectUpdate, NodeComponentUpdate {
-class TextureBin extends Object implements ObjectUpdate {
-
-    TextureUnitStateRetained [] texUnitState = null;
-
-    // number of active texture unit
-    private int numActiveTexUnit;
-
-    /**
-     * The RenderBin for this object
-     */
-    RenderBin renderBin = null;
-
-    /**
-     * The EnvironmentSet that this TextureBin resides
-     */
-    EnvironmentSet environmentSet = null;
-
-    /**
-     * The AttributeBin that this TextureBin resides
-     */
-    AttributeBin attributeBin = null;
-
-    /**
-     * The ShaderBin that this TextureBin resides
-     */
-    ShaderBin shaderBin = null;
-
-    /**
-     * The references to the next and previous TextureBins in the
-     * list.
-     */
-    TextureBin next = null;
-    TextureBin prev = null;
-
-    /**
-     * Oring of the equivalence bits for all appearance attrs under
-     * this renderBin
-     */
-    int equivalent = 0;
-
-    /**
-     * If any of the texture reference in an appearance is frequently
-     * changable, then a separate TextureBin will be created for this
-     * appearance, and this TextureBin is marked as the sole user of
-     * this appearance, and app will be pointing to the appearance
-     * being referenced by this TextureBin. Otherwise, app is null
-     */
-    AppearanceRetained app = null;
-
-
-    /**
-     * Sole user node component dirty mask.  The first bit is reserved
-     * for node component reference dirty bit. It is set if any of the
-     * texture related node component reference in the appearance is
-     * being modified. The second bit onwords are for the individual
-     * TextureUnitState dirty bit. The ith bit set means the (i-1)
-     * texture unit state is modified. Note, this mask only supports
-     * 30 texture unit states. If the appearance uses more than 31
-     * texture unit states, then the modification of the 32nd texture
-     * unit state and up will have the first bit set, that means
-     * the TextureBin will be reset, rather than only the particular
-     * texture unit state will be reset.
-     */
-    int soleUserCompDirty;
-
-    static final int SOLE_USER_DIRTY_REF 		= 0x1;
-    static final int SOLE_USER_DIRTY_TA 		= 0x2;
-    static final int SOLE_USER_DIRTY_TC 		= 0x4;
-    static final int SOLE_USER_DIRTY_TEXTURE		= 0x8;
-    static final int SOLE_USER_DIRTY_TUS		= 0x10;
-
-
-/**
- * The hashMap of RenderMolecules in this TextureBin this is used in rendering,
- * the key used is localToVworld
- */
-HashMap<Transform3D[], ArrayList<RenderMolecule>> addOpaqueRMs = new HashMap<Transform3D[], ArrayList<RenderMolecule>>();
-HashMap<Transform3D[], ArrayList<RenderMolecule>> addTransparentRMs = new HashMap<Transform3D[], ArrayList<RenderMolecule>>();
-
-// A hashmap based on localToVworld for fast
-// insertion of new renderMolecules
-HashMap<Transform3D[], RenderMolecule> opaqueRenderMoleculeMap = new HashMap<Transform3D[], RenderMolecule>();
-HashMap<Transform3D[], RenderMolecule> transparentRenderMoleculeMap = new HashMap<Transform3D[], RenderMolecule>();
-
-    // List of renderMolecules  - used in rendering ..
-    RenderMolecule opaqueRMList = null;
-
-    RenderMolecule transparentRMList = null;
-    TransparentRenderingInfo parentTInfo;
-
-    int numRenderMolecules = 0;
-    int numEditingRenderMolecules = 0;
-
-    int tbFlag = 0;	// a general bitmask for TextureBin
-
-    // Following are the bits used in flag
-
-    final static int ON_RENDER_BIN_LIST   	= 0x0001;
-    final static int ON_UPDATE_LIST 		= 0x0002;
-    final static int SOLE_USER			= 0x0004;
-    final static int CONTIGUOUS_ACTIVE_UNITS    = 0x0008;
-    final static int RESORT    			= 0x0010;
-    final static int ON_UPDATE_CHECK_LIST	= 0x0020;
-
-    final static int USE_DISPLAYLIST = -2;
-    final static int USE_VERTEXARRAY = -1;
-
-    TextureBin(TextureUnitStateRetained[] state, AppearanceRetained app,
-			RenderBin rb) {
-        renderBin = rb;
-	tbFlag = 0;
-	reset(state, app);
-    }
-
-
-    /**
-     * For now, clone everything just like the other NodeComponent
-     */
-    void reset(TextureUnitStateRetained[] state, AppearanceRetained app) {
-
-	prev = null;
-	next = null;
-	opaqueRMList = null;
-	transparentRMList = null;
-	numEditingRenderMolecules = 0;
-
-        // Issue 249 - check for sole user only if property is set
-	// determine if this appearance is a sole user of this
-	// TextureBin
-        tbFlag &= ~TextureBin.SOLE_USER;
-        if (VirtualUniverse.mc.allowSoleUser) {
-            if ((app != null) &&
-                 (app.changedFrequent &
-                    (AppearanceRetained.TEXTURE |
-                     AppearanceRetained.TEXCOORD_GEN |
-                     AppearanceRetained.TEXTURE_ATTR |
-                     AppearanceRetained.TEXTURE_UNIT_STATE)) != 0) {
-                tbFlag |= TextureBin.SOLE_USER;
-
-            }
-	}
-
-        if ((tbFlag & TextureBin.SOLE_USER) != 0) {
-	    this.app = app;
-        } else {
-	    this.app = null;
-        }
-
-	resetTextureState(state);
-
-	if ((tbFlag & TextureBin.ON_RENDER_BIN_LIST) == 0) {
-	    renderBin.addTextureBin(this);
-	    tbFlag |= TextureBin.ON_RENDER_BIN_LIST;
-	}
-
-    }
-
-    void resetTextureState(TextureUnitStateRetained[] state) {
-
-        int i;
-	boolean foundDisableUnit = false;
-	numActiveTexUnit = 0;
-	boolean soleUser = ((tbFlag & TextureBin.SOLE_USER) != 0);
-	TextureRetained prevFirstTexture = null;
-	TextureRetained tex;
-
-	tbFlag |= TextureBin.CONTIGUOUS_ACTIVE_UNITS;
-
-	if (state != null) {
-
-	    foundDisableUnit = false;
-
-	    if (texUnitState == null || (texUnitState.length != state.length)) {
-		texUnitState = new TextureUnitStateRetained[state.length];
-	    } else if (texUnitState.length > 0 && texUnitState[0] != null) {
-		prevFirstTexture = texUnitState[0].texture;
-	    }
-
-	    for (i = 0; i < state.length; i++) {
-		if (state[i] == null) {
-		    texUnitState[i] = null;
-		    foundDisableUnit = true;
-		} else {
-
-		    // create a clone texture unit state
-		    if (texUnitState[i] == null) {
-		        texUnitState[i] = new TextureUnitStateRetained();
-		    }
-
-		    // for sole user TextureUnitState, save
-		    // the node component reference in the mirror reference
-		    // of the cloned copy for equal test, and
-		    // for native download optimization
-		    if (soleUser || state[i].changedFrequent != 0) {
-			texUnitState[i].mirror = state[i];
-		    }
-
-		    // for the lowest level of node component in
-		    // TextureBin, clone it only if it is not
-		    // changedFrequent; in other words, if the
-		    // lowest level of texture related node components
-		    // such as TextureAttributes & TexCoordGen is
-		    // changedFrequent, have the cloned texUnitState
-		    // reference the mirror of those node components
-		    // directly. For Texture, we'll always reference
-		    // the mirror.
-
-		    // decrement the TextureBin ref count of the previous
-		    // texture
-		    tex = texUnitState[i].texture;
-		    if (tex != null) {
-			tex.decTextureBinRefCount(this);
-			if (soleUser &&
-			    (tex.getTextureBinRefCount(this) == 0) &&
-			    (tex != state[i].texture)) {
-			    // In this case texture change but
-			    // TextureBin will not invoke clear() to reset.
-			    // So we need to free the texture resource here.
-                            renderBin.addTextureResourceFreeList(tex);
-			}
-		    }
-
-		    texUnitState[i].texture = state[i].texture;
-
-		    // increment the TextureBin ref count of the new
-		    // texture
-
-		    if (texUnitState[i].texture != null) {
-			texUnitState[i].texture.incTextureBinRefCount(this);
-		    }
-
-		    if (state[i].texAttrs != null) {
-
-			if (state[i].texAttrs.changedFrequent != 0) {
-			    texUnitState[i].texAttrs = state[i].texAttrs;
-
-			} else {
-
-			    // need to check for texAttrs.source because
-			    // texAttrs could be pointing to the mirror
-			    // in the last frame, so don't want to
-			    // overwrite the mirror
-
-			    if (texUnitState[i].texAttrs == null ||
-				  texUnitState[i].texAttrs.source != null) {
-			 	texUnitState[i].texAttrs =
-				    new TextureAttributesRetained();
-			    }
-			    texUnitState[i].texAttrs.set(
-						state[i].texAttrs);
-			    texUnitState[i].texAttrs.mirrorCompDirty = true;
-
-			    // for sole user TextureBin, we are saving
-			    // the mirror node component in the mirror
-			    // reference in the clone object. This
-			    // will be used in state download to
-			    // avoid redundant download
-
-			    if (soleUser) {
-				texUnitState[i].texAttrs.mirror =
-					state[i].texAttrs;
-			    } else {
-				texUnitState[i].texAttrs.mirror = null;
-			    }
-
-			}
-		    } else {
-			texUnitState[i].texAttrs = null;
-		    }
-
-
-		    if (state[i].texGen != null) {
-			if (state[i].texGen.changedFrequent != 0) {
-			    texUnitState[i].texGen = state[i].texGen;
-			} else {
-
-			    // need to check for texGen.source because
-			    // texGen could be pointing to the mirror
-			    // in the last frame, so don't want to
-			    // overwrite the mirror
-
-			    if (texUnitState[i].texGen == null ||
-				  texUnitState[i].texGen.source != null) {
-			 	texUnitState[i].texGen =
-				    new TexCoordGenerationRetained();
-			    }
-
-			    texUnitState[i].texGen.set(state[i].texGen);
-			    texUnitState[i].texGen.mirrorCompDirty = true;
-
-
-                            // for sole user TextureBin, we are saving
-                            // the mirror node component in the mirror
-                            // reference in the clone object. This
-                            // will be used in state download to
-                            // avoid redundant download
-
-			    if (soleUser) {
-				texUnitState[i].texGen.mirror = state[i].texGen;
-			    } else {
-				texUnitState[i].texGen.mirror = null;
-			    }
-			}
-		    } else {
-			texUnitState[i].texGen = null;
-		    }
-
-
-		    // Track the last active texture unit and the total number
-                    // of active texture units. Note that this total number
-                    // now includes disabled units so that there is always
-                    // a one-to-one mapping. We no longer remap texture units.
-		    if (texUnitState[i].isTextureEnabled()) {
-                        numActiveTexUnit = i + 1;
-
-			if (foundDisableUnit) {
-
-			    // mark that active texture units are not
-			    // contiguous
-			    tbFlag &= ~TextureBin.CONTIGUOUS_ACTIVE_UNITS;
-			}
-		    } else {
-			foundDisableUnit = true;
-		    }
-		}
-	    }
-
-	    // check to see if the TextureBin sorting criteria is
-	    // modified for this textureBin; if yes, mark that
-	    // resorting is needed
-
-	    if ((texUnitState[0] == null && prevFirstTexture != null) ||
-		(texUnitState[0] != null &&
-			texUnitState[0].texture != prevFirstTexture)) {
-		tbFlag |= TextureBin.RESORT;
-	    }
-
-	} else {
-
-	    // check to see if the TextureBin sorting criteria is
-	    // modified for this textureBin; if yes, mark that
-	    // resorting is needed
-
-	    if (texUnitState != null && texUnitState[0].texture != null) {
-		tbFlag |= TextureBin.RESORT;
-	    }
-	    texUnitState = null;
-	}
-
-	soleUserCompDirty = 0;
-    }
-
-
-    /**
-     * The TextureBin is to be removed from RenderBin,
-     * do the proper unsetting of any references
-     */
-    void clear() {
-
-        // make sure there is no reference to the scenegraph
-        app = null;
-
-        // for each texture referenced in the texture units, decrement
-	// the reference count. If the reference count == 0, tell
-	// the renderer to free up the resource
-        if (texUnitState != null) {
-
-            TextureRetained tex;
-
-            for (int i = 0; i < texUnitState.length; i++) {
-                if (texUnitState[i] != null) {
-                    if (texUnitState[i].texture != null) {
-                        tex = texUnitState[i].texture;
-                        tex.decTextureBinRefCount(this);
-
-                        if (tex.getTextureBinRefCount(this) == 0) {
-                            renderBin.addTextureResourceFreeList(tex);
-                        }
-
-			texUnitState[i].texture = null;
-                    }
-
-                    // make sure there is no more reference to the scenegraph
-
-                    texUnitState[i].mirror = null;
-                    texUnitState[i].texture = null;
-                    if (texUnitState[i].texAttrs != null &&
-                            texUnitState[i].texAttrs.source != null) {
-                        texUnitState[i].texAttrs = null;
-                    }
-                    if (texUnitState[i].texGen != null &&
-                            texUnitState[i].texGen.source != null) {
-                        texUnitState[i].texGen = null;
-                    }
-                }
-            }
-        }
-    }
-
-
-
-    /**
-     * This tests if the qiven textureUnitState matches this TextureBin
-     */
-    boolean equals(TextureUnitStateRetained state[], RenderAtom ra) {
-	// if this TextureBin is a soleUser case or the incoming
-	// app has changedFrequent bit set for any of the texture
-	// related component, then either the current TextureBin
-	// or the incoming app requires the same app match
-	if (((tbFlag & TextureBin.SOLE_USER) != 0) ||
-		((ra.app != null) &&
-             		 (ra.app.changedFrequent &
-                	    (AppearanceRetained.TEXTURE |
-                 	     AppearanceRetained.TEXCOORD_GEN |
-                 	     AppearanceRetained.TEXTURE_ATTR |
-                 	     AppearanceRetained.TEXTURE_UNIT_STATE)) != 0)) {
-
-	    if (app == ra.app) {
-
-		// if this textureBin is currently on a zombie state,
-		// we'll need to put it on the update list to reevaluate
-		// the state, because while it is on a zombie state,
-		// texture state could have been changed. Example,
-		// application could have detached an appearance,
-		// made changes to the texture references, and then
-		// reattached the appearance. In this case, the texture
-		// changes would not have reflected to the textureBin
-
-		if (numEditingRenderMolecules == 0) {
-
-		    //System.err.println("===> TB in zombie state  " + this);
-
-            	    if (soleUserCompDirty == 0) {
-                        this.renderBin.tbUpdateList.add(this);
-            	    }
-            	    soleUserCompDirty |= TextureBin.SOLE_USER_DIRTY_REF;
-		}
-		return true;
-
-	    } else {
-		return false;
-	    }
-	}
-
-	if (texUnitState == null && state == null)
-	    return (true);
-
-	if (texUnitState == null || state == null)
-	    return (false);
-
-	if (state.length != texUnitState.length)
-	    return (false);
-
-	for (int i = 0; i < texUnitState.length; i++) {
-	    // If texture Unit State is null
-	    if (texUnitState[i] == null) {
-		if (state[i] != null)
-		    return (false);
-	    }
-	    else {
-		if (!texUnitState[i].equivalent(state[i])) {
-		    return (false);
-		}
-	    }
-	}
-
-	// Check if the image component has changed(may be a clearLive texture
-	// change img component. setLive case)
-	//
-	if ((tbFlag & TextureBin.ON_RENDER_BIN_LIST) == 0) {
-	    renderBin.addTextureBin(this);
-	    tbFlag |= TextureBin.ON_RENDER_BIN_LIST;
-	}
-
-	return (true);
-
-    }
-
-
-    /*
-    // updateNodeComponentCheck is called for each soleUser TextureBin
-    // into which new renderAtom has been added. This method is called before
-    // updateNodeComponent() to allow TextureBin to catch any node
-    // component changes that have been missed because the changes
-    // come when there is no active renderAtom associated with the
-    // TextureBin. See bug# 4503926 for details.
-    public void updateNodeComponentCheck() {
-
-	//System.err.println("TextureBin.updateNodeComponentCheck()");
-
-	tbFlag &= ~TextureBin.ON_UPDATE_CHECK_LIST;
-
-	if ((soleUserCompDirty & SOLE_USER_DIRTY_REF) != 0) {
-	    return ;
-	}
-
-       	if ((app.compChanged & (AppearanceRetained.TEXTURE |
-                 		AppearanceRetained.TEXCOORD_GEN |
-                 		AppearanceRetained.TEXTURE_ATTR |
-                 		AppearanceRetained.TEXTURE_UNIT_STATE)) != 0) {
-            if (soleUserCompDirty == 0) {
-                this.renderBin.tbUpdateList.add(this);
-            }
-            soleUserCompDirty |= TextureBin.SOLE_USER_DIRTY_REF;
-
-        } else if (app.texUnitState != null) {
-
-	    // if one texture unit state has to be reevaluated, then
-	    // it's enough update checking because reevaluating texture unit
-	    // state will automatically take care of its node component
-	    // updates.
-
-	    boolean done = false;
-
-            for (int i = 0; i < app.texUnitState.length && !done; i++) {
-                if (app.texUnitState[i] != null) {
-		    if (app.texUnitState[i].compChanged != 0) {
- 		        if (soleUserCompDirty == 0) {
-			    this.renderBin.tbUpdateList.add(this);
-		        }
-		        soleUserCompDirty |= TextureBin.SOLE_USER_DIRTY_TUS;
-			done = true;
-		    } else {
-			if (app.texUnitState[i].texAttrs != null &&
-				app.texUnitState[i].texAttrs.compChanged != 0) {
-			    if (soleUserCompDirty == 0) {
-				this.renderBin.tbUpdateList.add(this);
-			    }
-			    soleUserCompDirty |= TextureBin.SOLE_USER_DIRTY_TA;
-			}
-			if (app.texUnitState[i].texGen != null &&
-				app.texUnitState[i].texGen.compChanged != 0) {
-			    if (soleUserCompDirty == 0) {
-				this.renderBin.tbUpdateList.add(this);
-			    }
-			    soleUserCompDirty |= TextureBin.SOLE_USER_DIRTY_TC;
-			}
-			if (app.texUnitState[i].texture != null &&
-				((app.texUnitState[i].texture.compChanged &
-				    TextureRetained.ENABLE_CHANGED) != 0)) {
-			    if (soleUserCompDirty == 0) {
-				this.renderBin.tbUpdateList.add(this);
-			    }
-			    soleUserCompDirty |= TextureBin.SOLE_USER_DIRTY_TEXTURE;
-			}
-		    }
-		}
-	    }
-	}
-    }
-     */
-
-
-
-
-    /**
-     * updateNodeComponent is called from RenderBin to update the
-     * clone copy of the sole user node component in TextureBin when the
-     * corresponding node component is being modified
-     */
-    public void updateNodeComponent() {
-
-	// don't bother to update if the TextureBin is already
-	// removed from RenderBin
-
-	if ((tbFlag & TextureBin.ON_RENDER_BIN_LIST) == 0)
-	    return;
-
-	// if any of the texture reference in the appearance referenced
-	// by a sole user TextureBin is being modified, just do a reset
-
-	if (((tbFlag & TextureBin.SOLE_USER) != 0) &&
-		((soleUserCompDirty & TextureBin.SOLE_USER_DIRTY_REF) != 0)) {
-
-	    resetTextureState(app.texUnitState);
-	    return;
-	}
-
-	if (texUnitState == null)  {
-	    soleUserCompDirty = 0;
-	    return;
-	}
-
-	if ((soleUserCompDirty & TextureBin.SOLE_USER_DIRTY_TUS) != 0) {
-
-	    // Now take care of the Texture Unit State changes
-	    TextureUnitStateRetained tus, mirrorTUS = null;
-	    boolean soleUser = ((tbFlag & TextureBin.SOLE_USER) != 0);
-
-	    for (int i = 0; i < texUnitState.length; i++) {
-	        tus = texUnitState[i];
-	        if (tus != null) {
-		    if (tus.mirror != null) {
-
-		        mirrorTUS = (TextureUnitStateRetained)tus.mirror;
-
-			if (tus.texture != mirrorTUS.texture) {
-			    if (tus.texture != null) {
-				tus.texture.decTextureBinRefCount(this);
-			    }
-		            tus.texture = mirrorTUS.texture;
-			    if (tus.texture != null) {
-				tus.texture.incTextureBinRefCount(this);
-			    }
-
-			    // the first texture (TextureBin sorting
-			    // criteria) is modified, so needs to resort
-
-			    if (i == 0) {
-				tbFlag |= TextureBin.RESORT;
-			    }
-			}
-
-
-		        if (mirrorTUS.texAttrs != null) {
-			    if (mirrorTUS.texAttrs.changedFrequent != 0) {
-			        tus.texAttrs = mirrorTUS.texAttrs;
-			    } else {
-			        if (tus.texAttrs == null ||
-				  	tus.texAttrs.source != null) {
-				    tus.texAttrs =
-					new TextureAttributesRetained();
-			        }
-			        tus.texAttrs.set(mirrorTUS.texAttrs);
-				tus.texAttrs.mirrorCompDirty = true;
-
-				if (soleUser) {
-				    tus.texAttrs.mirror = mirrorTUS.texAttrs;
-				} else {
-				    tus.texAttrs.mirror = null;
-				}
-			    }
-		        } else {
-			    tus.texAttrs = null;
-		        }
-
-		        if (mirrorTUS.texGen != null) {
-			    if (mirrorTUS.texGen.changedFrequent != 0) {
-			        tus.texGen = mirrorTUS.texGen;
-			    } else {
-			        if (tus.texGen == null ||
-				  	tus.texGen.source != null) {
-				    tus.texGen =
-					    new TexCoordGenerationRetained();
-			        }
-			        tus.texGen.set(mirrorTUS.texGen);
-				tus.texGen.mirrorCompDirty = true;
-
-				if (soleUser) {
-				    tus.texGen.mirror = mirrorTUS.texGen;
-				} else {
-				    tus.texGen.mirror = null;
-				}
-			    }
-		        } else {
-			    tus.texGen = null;
-		        }
-		    }
-	        }
-	    }
-
-	    // need to reEvaluate # of active textures after the update
-	    soleUserCompDirty |= TextureBin.SOLE_USER_DIRTY_TEXTURE;
-
-	    // TextureUnitState update automatically taken care of
-	    // TextureAttributes & TexCoordGeneration update
-
-	    soleUserCompDirty &= ~(TextureBin.SOLE_USER_DIRTY_TA |
-					TextureBin.SOLE_USER_DIRTY_TC);
-	}
-
-	if ((soleUserCompDirty & TextureBin.SOLE_USER_DIRTY_TEXTURE) != 0) {
-
-
-
-	    boolean foundDisableUnit = false;
-
-	    numActiveTexUnit = 0;
-	    tbFlag |= TextureBin.CONTIGUOUS_ACTIVE_UNITS;
-	    for (int i = 0; i < texUnitState.length; i++) {
-
-                // Track the last active texture unit and the total number
-                // of active texture units. Note that this total number
-                // now includes disabled units so that there is always
-                // a one-to-one mapping. We no longer remap texture units.
-                if (texUnitState[i] != null &&
-			texUnitState[i].isTextureEnabled()) {
-                    numActiveTexUnit = i + 1;
-
-                    if (foundDisableUnit) {
-
-                        // mark that active texture units are not
-                        // contiguous
-                        tbFlag &= ~TextureBin.CONTIGUOUS_ACTIVE_UNITS;
-                    }
-                } else {
-                    foundDisableUnit = true;
-                }
-	    }
-	}
-
-	if ((soleUserCompDirty & TextureBin.SOLE_USER_DIRTY_TA) != 0) {
-	    for (int i = 0; i < texUnitState.length; i++) {
-		if (texUnitState[i] != null &&
-			texUnitState[i].texAttrs != null &&
-			texUnitState[i].texAttrs.mirror != null &&
-		        texUnitState[i].texAttrs.mirror.changedFrequent != 0) {
-		    texUnitState[i].texAttrs = (TextureAttributesRetained)
-				texUnitState[i].texAttrs.mirror;
-		}
-	    }
-	}
-
-	if ((soleUserCompDirty & TextureBin.SOLE_USER_DIRTY_TC) != 0) {
-	    for (int i = 0; i < texUnitState.length; i++) {
-		if (texUnitState[i] != null &&
-			texUnitState[i].texGen != null &&
-			texUnitState[i].texGen.mirror != null &&
-		        texUnitState[i].texGen.mirror.changedFrequent != 0) {
-		    texUnitState[i].texGen = (TexCoordGenerationRetained)
-				texUnitState[i].texGen.mirror;
-		}
-	    }
-	}
-
-	soleUserCompDirty = 0;
-    }
-
-    @Override
-    public void updateObject() {
-	if (!addOpaqueRMs.isEmpty()) {
-	    opaqueRMList = addAll(opaqueRenderMoleculeMap, addOpaqueRMs,
-					opaqueRMList, true);
-	}
-	if (!addTransparentRMs.isEmpty()) {
-	    // If transparent and not in bg geometry and inodepth
-	    // sorted transparency
-	    if (transparentRMList == null &&
-		(renderBin.transpSortMode == View.TRANSPARENCY_SORT_NONE ||
-		environmentSet.lightBin.geometryBackground != null)) {
-		//		System.err.println("========> addTransparentTextureBin "+this);
-		transparentRMList = addAll(transparentRenderMoleculeMap,
-				addTransparentRMs, transparentRMList, false);
-		// Eventhough we are adding to transparentList , if all the RMS
-		// have been switched already due to changeLists, then there is
-		// nothing to add, and TBIN does not have any transparentRMList
-		if (transparentRMList != null) {
-		    renderBin.addTransparentObject(this);
-		}
-
-	    }
-	    else {
-		transparentRMList = addAll(transparentRenderMoleculeMap,
-				addTransparentRMs, transparentRMList, false);
-	    }
-	}
-        tbFlag &= ~TextureBin.ON_UPDATE_LIST;
-
-    }
-
-
-    /**
-     * Each list of renderMoledule with the same localToVworld
-     * is connect by rm.next and rm.prev.
-     * At the end of the list (i.e. rm.next = null) the field
-     * rm.nextMap is link to another list (with the same
-     * localToVworld). So during rendering it will traverse
-     * rm.next until this is null, then follow the .nextMap
-     * to access another list and use rm.next to continue
-     * until both rm.next and rm.nextMap are null.
-     *
-     * renderMoleculeMap is use to assist faster location of
-     * renderMolecule List with the same localToVWorld. The
-     * start of renderMolecule in the list with same
-     * localToVworld is insert in renderMoleculeMap. This
-     * map is clean up at removeRenderMolecule(). TextureBin
-     * also use the map for quick location of renderMolecule
-     * with the same localToVworld and attributes in
-     * findRenderMolecule().
-     */
-RenderMolecule addAll(HashMap<Transform3D[], RenderMolecule> renderMoleculeMap,
-                      HashMap<Transform3D[], ArrayList<RenderMolecule>> addRMs,
-                      RenderMolecule startList, boolean opaqueList) {
-        int i;
-	Collection<ArrayList<RenderMolecule>> c = addRMs.values();
-	Iterator<ArrayList<RenderMolecule>> listIterator = c.iterator();
-	RenderMolecule renderMoleculeList, head;
-
-	while (listIterator.hasNext()) {
-	    boolean changed = false;
-		ArrayList<RenderMolecule> curList = listIterator.next();
-		RenderMolecule r = curList.get(0);
-	    // If this is a opaque one , but has been switched to a transparentList or
-	    // vice-versa (dur to changeLists function called before this), then
-	    // do nothing!
-	    // For changedFrequent case: Consider the case when a RM is added
-	    // (so is in the addRM list) and then
-	    // a change  in transparent value occurs that make it from opaque to
-	    // transparent (the switch is handled before this function is called)
-	    if (r.isOpaqueOrInOG != opaqueList) {
-		continue;
-	    }
-	    // Get the list of renderMolecules for this transform
-	    renderMoleculeList = renderMoleculeMap.get(r.localToVworld);
-            if (renderMoleculeList == null) {
-                renderMoleculeList = r;
-		renderMoleculeMap.put(r.localToVworld, renderMoleculeList);
-		// Add this renderMolecule at the beginning of RM list
-		if (startList == null) {
-		    startList = r;
-		    r.nextMap = null;
-		    r.prevMap = null;
-		    startList.dirtyAttrsAcrossRms = RenderMolecule.ALL_DIRTY_BITS;
-		}
-		else {
-		    r.nextMap = startList;
-		    startList.prevMap = r;
-		    startList = r;
-		    startList.nextMap.checkEquivalenceWithLeftNeighbor(r,
-						RenderMolecule.ALL_DIRTY_BITS);
-		}
-
-            }
-            else {
-                // Insert the renderMolecule next to a RM that has equivalent
-		// texture unit state
-                if ((head = insertRenderMolecule(r, renderMoleculeList)) != null) {
-		    if (renderMoleculeList.prevMap != null) {
-			renderMoleculeList.prevMap.nextMap = head;
-		    }
-		    head.prevMap = renderMoleculeList.prevMap;
-		    renderMoleculeList.prevMap = null;
-		    renderMoleculeList = head;
-		    changed = true;
-		}
-            }
-	    for (i = 1; i < curList.size(); i++) {
-			r = curList.get(i);
-	       // If this is a opaque one , but has been switched to a transparentList or
-	       // vice-versa (dur to changeLists function called before this), then
-	       // do nothing!
-	       // For changedFrequent case: Consider the case when a RM is added
-	       // (so is in the addRM list) and then
-	       // a change  in transparent value occurs that make it from opaque to
-	       // transparent (the switch is handled before this function is called)
-	       if (r.isOpaqueOrInOG != opaqueList)
-		   continue;
-	       if ((head = insertRenderMolecule(r, renderMoleculeList)) != null) {
-		    if (renderMoleculeList.prevMap != null) {
-			renderMoleculeList.prevMap.nextMap = head;
-		    }
-		    head.prevMap = renderMoleculeList.prevMap;
-		    renderMoleculeList.prevMap = null;
-		    renderMoleculeList = head;
-		    changed = true;
-	       }
-
-	    }
-	    if (changed) {
-		renderMoleculeMap.put(r.localToVworld, renderMoleculeList);
-		if (renderMoleculeList.prevMap != null) {
-		    renderMoleculeList.checkEquivalenceWithLeftNeighbor(
-					renderMoleculeList.prevMap,
-					RenderMolecule.ALL_DIRTY_BITS);
-		}
-		else {
-		    startList = renderMoleculeList;
-		    startList.dirtyAttrsAcrossRms =
-					RenderMolecule.ALL_DIRTY_BITS;
-		}
-	    }
-	}
-
-        addRMs.clear();
-	return startList;
-    }
-
-
-    // XXXX: Could the analysis be done during insertRenderMolecule?
-    // Return the head of the list,
-    // if the insertion occurred at beginning of the list
-    RenderMolecule insertRenderMolecule(RenderMolecule r,
-				RenderMolecule renderMoleculeList) {
-        RenderMolecule rm, retval;
-
-        // Look for a RM that has an equivalent material
-        rm = renderMoleculeList;
-        while (rm != null) {
-            if (rm.material == r.material ||
-                (rm.definingMaterial != null &&
-                 rm.definingMaterial.equivalent(r.definingMaterial))) {
-                // Put it here
-                r.next = rm;
-                r.prev = rm.prev;
-                if (rm.prev == null) {
-                    renderMoleculeList = r;
-		    retval = renderMoleculeList;
-                } else {
-                    rm.prev.next = r;
-		    retval = null;
-                }
-                rm.prev = r;
-                r.checkEquivalenceWithBothNeighbors(RenderMolecule.ALL_DIRTY_BITS);
-                return retval;
-            }
-	    // If they are not equivalent, then skip to the first one
-	    // that has a different material using the dirty bits
-	    else {
-		rm = rm.next;
-		while (rm != null &&
-		       ((rm.dirtyAttrsAcrossRms & RenderMolecule.MATERIAL_DIRTY) == 0)) {
-		    rm = rm.next;
-		}
-	    }
-        }
-        // Just put it up front
-        r.next = renderMoleculeList;
-        renderMoleculeList.prev = r;
-        renderMoleculeList = r;
-        r.checkEquivalenceWithBothNeighbors(RenderMolecule.ALL_DIRTY_BITS);
-	return renderMoleculeList;
-    }
-
-
-    /**
-     * Adds the given RenderMolecule to this TextureBin
-     */
-    void addRenderMolecule(RenderMolecule r, RenderBin rb) {
-        r.textureBin = this;
-
-	HashMap<Transform3D[], ArrayList<RenderMolecule>> map;
-	if (r.isOpaqueOrInOG)
-	    map = addOpaqueRMs;
-	else
-	    map = addTransparentRMs;
-
-	ArrayList<RenderMolecule> list = map.get(r.localToVworld);
-	if (list == null) {
-		list = new ArrayList<RenderMolecule>();
-		map.put(r.localToVworld, list);
-	}
-	list.add(r);
-
-        if ((tbFlag & TextureBin.ON_UPDATE_LIST) == 0) {
-            tbFlag |= TextureBin.ON_UPDATE_LIST;
-            rb.objUpdateList.add(this);
-        }
-    }
-
-    /**
-     * Removes the given RenderMolecule from this TextureBin
-     */
-    void removeRenderMolecule(RenderMolecule r) {
-	int index;
-	boolean found = false;
-	RenderMolecule rmlist;
-	HashMap<Transform3D[], ArrayList<RenderMolecule>> addMap;
-	HashMap<Transform3D[], RenderMolecule> allMap;
-        r.textureBin = null;
-
-	if (r.isOpaqueOrInOG) {
-	    rmlist = opaqueRMList;
-	    allMap = opaqueRenderMoleculeMap;
-	    addMap = addOpaqueRMs;
-	}
-	else {
-	    rmlist = transparentRMList;
-	    allMap = transparentRenderMoleculeMap;
-	    addMap = addTransparentRMs;
-	}
-	// If the renderMolecule being remove is contained in addRMs, then
-	// remove the renderMolecule from the addList
-	ArrayList<RenderMolecule> list = addMap.get(r.localToVworld);
-	if (list != null) {
-	    if ((index = list.indexOf(r)) != -1) {
-		list.remove(index);
-		// If this was the last element for this localToVworld, then remove
-		// the entry from the addRMs list
-		if (list.isEmpty()) {
-		    addMap.remove(r.localToVworld);
-		}
-
-		r.prev = null;
-		r.next = null;
-		found = true;
-	    }
-	}
-	if (!found) {
-	    RenderMolecule head = removeOneRM(r, allMap, rmlist);
-
-	    r.soleUserCompDirty = 0;
-	    r.onUpdateList = 0;
-	    if (r.definingPolygonAttributes != null &&
-		(r.definingPolygonAttributes.changedFrequent != 0))
-		r.definingPolygonAttributes = null;
-
-	    if (r.definingLineAttributes != null &&
-		(r.definingLineAttributes.changedFrequent != 0))
-		r.definingLineAttributes = null;
-
-	    if (r.definingPointAttributes != null &&
-		(r.definingPointAttributes.changedFrequent != 0))
-		r.definingPointAttributes = null;
-
-	    if (r.definingMaterial != null &&
-		(r.definingMaterial.changedFrequent != 0))
-		r.definingMaterial = null;
-
-	    if (r.definingColoringAttributes != null &&
-		(r.definingColoringAttributes.changedFrequent != 0))
-		r.definingColoringAttributes = null;
-
-	    if (r.definingTransparency != null &&
-		(r.definingTransparency.changedFrequent != 0))
-		r.definingTransparency = null;
-
-	    renderBin.removeRenderMolecule(r);
-	    if (r.isOpaqueOrInOG) {
-		opaqueRMList = head;
-	    }
-	    else {
-		transparentRMList = head;
-	    }
-
-	}
-	// If the renderMolecule removed is not opaque then ..
-	if (!r.isOpaqueOrInOG && transparentRMList == null && (renderBin.transpSortMode == View.TRANSPARENCY_SORT_NONE ||
-							       environmentSet.lightBin.geometryBackground != null)) {
-	    renderBin.removeTransparentObject(this);
-	}
-	// If the rm removed is the one that is referenced in the tinfo
-	// then change this reference
-	else if (parentTInfo != null && parentTInfo.rm == r) {
-	    parentTInfo.rm = transparentRMList;
-	}
-        // Removal of this texture setting from the texCoordGenartion
-        // is done during the removeRenderAtom routine in RenderMolecule.java
-        // Only remove this texture bin if there are no more renderMolcules
-        // waiting to be added
-        if (opaqueRenderMoleculeMap.isEmpty() && addOpaqueRMs.isEmpty() &&
-	    transparentRenderMoleculeMap.isEmpty() &&  addTransparentRMs.isEmpty()) {
-	    if ((tbFlag & TextureBin.ON_RENDER_BIN_LIST) != 0) {
-	        tbFlag &= ~TextureBin.ON_RENDER_BIN_LIST;
-		renderBin.removeTextureBin(this);
-	    }
-
-            shaderBin.removeTextureBin(this);
-	    texUnitState = null;
-        }
-    }
-
-    /**
-     * This method is called to update the state for this
-     * TextureBin. This is only applicable in the single-pass case.
-     * Multi-pass render will have to take care of its own
-     * state update.
-     */
-    void updateAttributes(Canvas3D cv) {
-
-        boolean dirty = ((cv.canvasDirty & (Canvas3D.TEXTUREBIN_DIRTY|
-					    Canvas3D.TEXTUREATTRIBUTES_DIRTY)) != 0);
-
-	if (cv.textureBin == this  && !dirty) {
-	    return;
-	}
-
-	cv.textureBin = this;
-
-	// save the current number of active texture unit so as
-        // to be able to reset the one that is not enabled in this bin
-
-	int lastActiveTexUnitIdx = -1;
-
-        // Get the number of available texture units; this depends on
-        // whether or not shaders are being used.
-        boolean useShaders = (shaderBin.shaderProgram != null);
-        int availableTextureUnits =
-                useShaders ? cv.maxTextureImageUnits : cv.maxTextureUnits;
-
-        // If the number of active texture units is greater than the number of
-        // supported units, then we
-        // need to set a flag indicating that the texture units are invalid.
-        boolean disableTexture = false;
-
-        if (numActiveTexUnit > availableTextureUnits) {
-            disableTexture = true;
-//            System.err.println("*** TextureBin : number of texture units exceeded");
-        }
-
-        // set the number active texture unit in Canvas3D
-        if (disableTexture) {
-            cv.setNumActiveTexUnit(0);
-        }
-        else {
-            cv.setNumActiveTexUnit(numActiveTexUnit);
-        }
-
-	// state update
-	if (numActiveTexUnit <= 0 || disableTexture) {
-            if (cv.getLastActiveTexUnit() >= 0) {
-	        // no texture units enabled
-
-	        // when the canvas supports multi texture units,
-		// we'll need to reset texture for all texture units
-                if (cv.multiTexAccelerated) {
-                    for (int i = 0; i <= cv.getLastActiveTexUnit(); i++) {
-                        cv.resetTexture(cv.ctx, i);
-                    }
-                    // set the active texture unit back to 0
-		    cv.setNumActiveTexUnit(0);
-		    cv.activeTextureUnit(cv.ctx, 0);
-                } else {
-                    cv.resetTexture(cv.ctx, -1);
-                }
-		cv.setLastActiveTexUnit(-1);
-	    }
-	} else {
-
-            int j = 0;
-
-	    for (int i = 0; i < texUnitState.length; i++) {
-
-		if (j >= cv.texUnitState.length) {
-		    // We finish enabling the texture state.
-		    // Note that it is possible
-		    // texUnitState.length > cv.texUnitState.length
-
-		    break;
-		}
-
-		if ((texUnitState[i] != null) &&
-			      texUnitState[i].isTextureEnabled()) {
-		    if (dirty ||
-			 cv.texUnitState[j].mirror == null ||
-			 cv.texUnitState[j].mirror != texUnitState[i].mirror) {
-		        // update the texture unit state
-		        texUnitState[i].updateNative(j, cv, false, false);
-			cv.texUnitState[j].mirror = texUnitState[i].mirror;
-		    }
-
-		    // create a mapping that maps an active texture
-		    // unit to a texture unit state
-
-		    lastActiveTexUnitIdx = j;
-		} else {
-		    if (j <= cv.getLastActiveTexUnit()) {
-			cv.resetTexture(cv.ctx, j);
-		    }
-		}
-
-                j++;
-	    }
-
-            // make sure to disable the remaining texture units
-            // since they could have been enabled from the previous
-            // texture bin
-
-            for (int i = j; i <= cv.getLastActiveTexUnit(); i++) {
-		cv.resetTexture(cv.ctx, i);
-            }
-
-	    cv.setLastActiveTexUnit(lastActiveTexUnitIdx);
-
-            // set the active texture unit back to 0
-            cv.activeTextureUnit(cv.ctx, 0);
-
-	}
-	cv.canvasDirty &= ~Canvas3D.TEXTUREBIN_DIRTY;
-    }
-
-
-/**
- * Renders this TextureBin
- */
-void render(Canvas3D cv) {
-	render(cv, opaqueRMList);
-}
-
-void render(Canvas3D cv, RenderMolecule rlist) {
-	// include this TextureBin to the to-be-updated state set in canvas
-	cv.setStateToUpdate(Canvas3D.TEXTUREBIN_BIT, this);
-	renderList(cv, USE_DISPLAYLIST, rlist);
-}
-
-void render(Canvas3D cv, TransparentRenderingInfo rlist) {
-	// include this TextureBin to the to-be-updated state set in canvas
-	cv.setStateToUpdate(Canvas3D.TEXTUREBIN_BIT, this);
-	renderList(cv, USE_DISPLAYLIST, rlist);
-}
-
-    /**
-     * render list of RenderMolecule
-     */
-    void renderList(Canvas3D cv, int pass, RenderMolecule rlist) {
-        assert pass < 0;
-
-        // bit mask of all attr fields that are equivalent across
-	// renderMolecules thro. ORing of invisible RMs.
-	int combinedDirtyBits = 0;
-	boolean rmVisible = true;
-        RenderMolecule rm = rlist;
-
-        while (rm != null) {
-	    if(rmVisible) {
-		combinedDirtyBits = rm.dirtyAttrsAcrossRms;
-	    }
-	    else {
-		combinedDirtyBits |= rm.dirtyAttrsAcrossRms;
-	    }
-
-	    rmVisible = rm.render(cv, pass, combinedDirtyBits);
-
-
-            // next render molecule or the nextmap
-            if (rm.next == null) {
-                rm = rm.nextMap;
-            }
-            else {
-                rm = rm.next;
-            }
-        }
-    }
-
-
-    /**
-     * render sorted transparent list
-     */
-    void renderList(Canvas3D cv, int pass, TransparentRenderingInfo tinfo) {
-        assert pass < 0;
-
-	RenderMolecule rm = tinfo.rm;
-	if (rm.isSwitchOn()) {
-	    rm.transparentSortRender(cv, pass, tinfo);
-	}
-    }
-
-
-    void changeLists(RenderMolecule r) {
-	RenderMolecule renderMoleculeList, rmlist = null, head;
-	HashMap<Transform3D[], RenderMolecule> allMap = null;
-	boolean newRM = false;
-	//	System.err.println("changeLists r = "+r+" tBin = "+this);
-	// If its a new RM then do nothing, otherwise move lists
-	if (r.isOpaqueOrInOG) {
-	    if (opaqueRMList == null &&
-		(r.prev == null && r.prevMap == null && r.next == null &&
-		r.nextMap == null)) {
-		newRM = true;
-	    }
-	    else {
-		rmlist = opaqueRMList;
-		allMap = opaqueRenderMoleculeMap;
-	    }
-
-	}
-	else {
-	    if (transparentRMList == null &&
-		(r.prev == null && r.prevMap == null && r.next == null &&
-		r.nextMap == null) ){
-		newRM = true;
-	    }
-	    else {
-		rmlist = transparentRMList;
-		allMap = transparentRenderMoleculeMap;
-	    }
-	}
-	if (!newRM) {
-	    head = removeOneRM(r, allMap, rmlist);
-
-	    if (r.isOpaqueOrInOG) {
-		opaqueRMList = head;
-	    }
-	    else {
-		transparentRMList = head;
-		if (transparentRMList == null &&
-		    (renderBin.transpSortMode == View.TRANSPARENCY_SORT_NONE ||
-		     environmentSet.lightBin.geometryBackground != null)) {
-		    renderBin.removeTransparentObject(this);
-		}
-		// Issue 129: remove the RM's render atoms from the
-		// list of transparent render atoms
-		if ((renderBin.transpSortMode == View.TRANSPARENCY_SORT_GEOMETRY) &&
-		    (environmentSet.lightBin.geometryBackground == null)) {
-		    r.addRemoveTransparentObject(renderBin, false);
-		}
-	    }
-	}
-	HashMap<Transform3D[], RenderMolecule> renderMoleculeMap;
-	RenderMolecule startList;
-
-	// Now insert in the other bin
-	r.evalAlphaUsage(shaderBin.attributeBin.definingRenderingAttributes, texUnitState);
-	r.isOpaqueOrInOG = r.isOpaque() ||r.inOrderedGroup;
-	if (r.isOpaqueOrInOG) {
-	    startList = opaqueRMList;
-	    renderMoleculeMap = opaqueRenderMoleculeMap;
-	    markDlistAsDirty(r);
-	}
-	else {
-	    startList = transparentRMList;
-	    renderMoleculeMap = transparentRenderMoleculeMap;
-	    if ((r.primaryMoleculeType &RenderMolecule.DLIST_MOLECULE) != 0 &&
-		renderBin.transpSortMode != View.TRANSPARENCY_SORT_NONE) {
-		renderBin.addDisplayListResourceFreeList(r);
-		renderBin.removeDirtyRenderMolecule(r);
-
-		r.vwcBounds.set(null);
-		r.displayListId = 0;
-		r.displayListIdObj = null;
-		// Change the group type for all the rlistInfo in the primaryList
-		RenderAtomListInfo rinfo = r.primaryRenderAtomList;
-		while (rinfo != null) {
-		    rinfo.groupType = RenderAtom.SEPARATE_DLIST_PER_RINFO;
-		    if (rinfo.renderAtom.dlistIds == null) {
-			rinfo.renderAtom.dlistIds = new int[rinfo.renderAtom.rListInfo.length];
-
-			for (int k = 0; k < rinfo.renderAtom.dlistIds.length; k++) {
-			    rinfo.renderAtom.dlistIds[k] = -1;
-			}
-		    }
-		    if (rinfo.renderAtom.dlistIds[rinfo.index] == -1) {
-			rinfo.renderAtom.dlistIds[rinfo.index] = VirtualUniverse.mc.getDisplayListId().intValue();
-			renderBin.addDlistPerRinfo.add(rinfo);
-		    }
-		    rinfo = rinfo.next;
-		}
-		r.primaryMoleculeType = RenderMolecule.SEPARATE_DLIST_PER_RINFO_MOLECULE;
-	    }
-	    else {
-		markDlistAsDirty(r);
-	    }
-
-	}
-	renderMoleculeList = renderMoleculeMap.get(r.localToVworld);
-
-	if (renderMoleculeList == null) {
-	    renderMoleculeList = r;
-	    renderMoleculeMap.put(r.localToVworld, renderMoleculeList);
-	    // Add this renderMolecule at the beginning of RM list
-	    if (startList == null) {
-		startList = r;
-		r.nextMap = null;
-		r.prevMap = null;
-	    }
-	    else {
-		r.nextMap = startList;
-		startList.prevMap = r;
-		startList = r;
-		startList.nextMap.checkEquivalenceWithLeftNeighbor(r,RenderMolecule.ALL_DIRTY_BITS);
-	    }
-            // Issue 67 : since we are adding the new RM at the head, we must
-            // set all dirty bits unconditionally
-            startList.dirtyAttrsAcrossRms = RenderMolecule.ALL_DIRTY_BITS;
-	}
-	else {
-	    // Insert the renderMolecule next to a RM that has equivalent
-	    // texture unit state
-	    if ((head = insertRenderMolecule(r, renderMoleculeList)) != null) {
-		if (renderMoleculeList.prevMap != null) {
-		    renderMoleculeList.prevMap.nextMap = head;
-		}
-		head.prevMap = renderMoleculeList.prevMap;
-		renderMoleculeList.prevMap = null;
-		renderMoleculeList = head;
-		renderMoleculeMap.put(r.localToVworld, renderMoleculeList);
-		if (renderMoleculeList.prevMap != null) {
-		    renderMoleculeList.checkEquivalenceWithLeftNeighbor(renderMoleculeList.prevMap,
-									RenderMolecule.ALL_DIRTY_BITS);
-		}
-		else {
-		    startList.dirtyAttrsAcrossRms = RenderMolecule.ALL_DIRTY_BITS;
-		    startList = renderMoleculeList;
-		}
-	    }
-
-	}
-	if (r.isOpaqueOrInOG) {
-	    opaqueRMList = startList;
-	}
-	else {
-	    // If transparent and not in bg geometry and inodepth sorted transparency
-	    if (transparentRMList == null&&
-		(renderBin.transpSortMode == View.TRANSPARENCY_SORT_NONE ||
-		 environmentSet.lightBin.geometryBackground != null)) {
-		transparentRMList = startList;
-		renderBin.addTransparentObject(this);
-	    }
-	    else {
-		transparentRMList = startList;
-	    }
-	    // Issue 129: add the RM's render atoms to the list of
-	    // transparent render atoms
-	    // XXXX: do we need to resort the list after the add???
-	    if ((renderBin.transpSortMode == View.TRANSPARENCY_SORT_GEOMETRY) &&
-		(environmentSet.lightBin.geometryBackground == null)) {
-		r.addRemoveTransparentObject(renderBin, true);
-	    }
-	}
-    }
-
-    RenderMolecule removeOneRM(RenderMolecule r, HashMap<Transform3D[], RenderMolecule> allMap, RenderMolecule list) {
-	RenderMolecule rmlist = list;
-	// In the middle, just remove and update
-	if (r.prev != null && r.next != null) {
-	    r.prev.next = r.next;
-	    r.next.prev = r.prev;
-	    r.next.checkEquivalenceWithLeftNeighbor(r.prev,RenderMolecule.ALL_DIRTY_BITS);
-	}
-	// If whats is removed is at the end of an entry
-	else if (r.prev != null && r.next == null) {
-	    r.prev.next = r.next;
-	    r.prev.nextMap = r.nextMap;
-	    if (r.nextMap != null) {
-		r.nextMap.prevMap = r.prev;
-		r.nextMap.checkEquivalenceWithLeftNeighbor(r.prev,RenderMolecule.ALL_DIRTY_BITS);
-	    }
-	}
-	else if (r.prev == null && r.next != null) {
-	    r.next.prev = null;
-	    r.next.prevMap = r.prevMap;
-	    if (r.prevMap != null) {
-		r.prevMap.nextMap = r.next;
-		r.next.checkEquivalenceWithLeftNeighbor(r.prevMap,RenderMolecule.ALL_DIRTY_BITS);
-	    }
-	    // Head of the rmList
-	    else {
-		rmlist = r.next;
-		rmlist.dirtyAttrsAcrossRms = RenderMolecule.ALL_DIRTY_BITS;
-	    }
-	    allMap.put(r.localToVworld, r.next);
-	}
-	// Update the maps and remove this entry from the map list
-	else if (r.prev == null && r.next == null) {
-	    if (r.prevMap != null) {
-		r.prevMap.nextMap = r.nextMap;
-
-	    }
-	    else {
-		rmlist = r.nextMap;
-		if (r.nextMap != null) {
-		    rmlist.dirtyAttrsAcrossRms = RenderMolecule.ALL_DIRTY_BITS;
-		}
-	    }
-	    if (r.nextMap != null) {
-		r.nextMap.prevMap = r.prevMap;
-		if (r.prevMap != null) {
-		    r.nextMap.checkEquivalenceWithLeftNeighbor(r.prevMap,RenderMolecule.ALL_DIRTY_BITS);
-		}
-
-	    }
-
-	    allMap.remove(r.localToVworld);
-
-
-	}
-	r.prev = null;
-	r.next = null;
-	r.prevMap = null;
-	r.nextMap = null;
-	return rmlist;
-    }
-
-    void markDlistAsDirty(RenderMolecule r) {
-
-	if (r.primaryMoleculeType == RenderMolecule.DLIST_MOLECULE) {
-	    renderBin.addDirtyRenderMolecule(r);
-	}
-	else if (r.primaryMoleculeType == RenderMolecule.SEPARATE_DLIST_PER_RINFO_MOLECULE) {
-	    RenderAtomListInfo ra = r.primaryRenderAtomList;
-	    while (ra != null) {
-		renderBin.addDlistPerRinfo.add(ra);
-		ra = ra.next;
-	    }
-	}
-    }
-
-
-    void decrActiveRenderMolecule() {
-	numEditingRenderMolecules--;
-
-	if (numEditingRenderMolecules == 0) {
-
-	    // if number of editing renderMolecules goes to 0,
-	    // inform the shaderBin that this textureBin goes to
-	    // zombie state
-
-	    shaderBin.decrActiveTextureBin();
-	}
-    }
-
-    void incrActiveRenderMolecule() {
-
-	if (numEditingRenderMolecules == 0) {
-
-	    // if this textureBin is in zombie state, inform
-	    // the shaderBin that this textureBin is activated again.
-
-	    shaderBin.incrActiveTextureBin();
-	}
-
-	numEditingRenderMolecules++;
-    }
-}