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/*
 * Copyright 1997-2008 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.nio.Buffer;
import java.nio.FloatBuffer;
import java.util.ArrayList;

import javax.vecmath.TexCoord2f;
import javax.vecmath.TexCoord3f;

/**
 * The IndexedGeometryArray object contains arrays of positional coordinates,
 * colors, normals and/or texture coordinates that describe
 * point, line, or surface geometry.  It is extended to create
 * the various primitive types (e.g., lines, triangle_strips, etc.)
 */

abstract class IndexedGeometryArrayRetained extends GeometryArrayRetained {

    // arrays to save indices for coord, color, normal, texcoord, vertexAttr
    int[] indexCoord;
    int[] indexColor;
    int[] indexNormal;
    int[][] indexTexCoord;
    int[][] indexVertexAttr;

    int indexCount = 0;

    int initialIndexIndex = 0;
    int validIndexCount = 0;

    // Following variables are only used in compile mode
    int[] compileIndexCount;
    int[] compileIndexOffset;

    int maxCoordIndex = 0;
    int maxColorIndex = 0;
    int maxNormalIndex = 0;
    int[] maxTexCoordIndices = null;
    int[] maxVertexAttrIndices = null;

    void createIndexedGeometryArrayData(int indexCount) {
        this.indexCount = indexCount;
        this.validIndexCount = indexCount;

        // Only allocate color, normal, texCoord, and vertexAttr
        // index arrays if USE_COORD_INDEX_ONLY is not set
        boolean notUCIO = (this.vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) == 0;

        //NVaidya
        // Only allocate indexCoord if BY_REFERENCE_INDICES not set
        if(((this.vertexFormat & GeometryArray.COORDINATES) != 0) &&
           ((this.vertexFormat & GeometryArray.BY_REFERENCE_INDICES) == 0))
            this.indexCoord    = new int[indexCount];

        if(((this.vertexFormat & GeometryArray.NORMALS) != 0) && notUCIO)
            this.indexNormal    = new int[indexCount];

        if(((this.vertexFormat & GeometryArray.COLOR) != 0) && notUCIO)
            this.indexColor   = new int[indexCount];

        if((this.vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0) {
            this.indexTexCoord = new int[this.texCoordSetCount][];
            if(notUCIO) {
                for (int i = 0; i < this.texCoordSetCount; i++) {
                    this.indexTexCoord[i] = new int[indexCount];
                }
            }
            maxTexCoordIndices = new int[texCoordSetCount];
        }

        if ((this.vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) {
            this.indexVertexAttr = new int[this.vertexAttrCount][];
            if (notUCIO) {
                for (int i = 0; i < this.vertexAttrCount; i++) {
                    this.indexVertexAttr[i] = new int[indexCount];
                }
            }
            this.maxVertexAttrIndices = new int[this.vertexAttrCount];
        }
    }


    GeometryArrayRetained cloneNonIndexedGeometry() {
        GeometryArrayRetained obj = null;

        switch (this.geoType) {
        case GEO_TYPE_INDEXED_LINE_SET:
            obj = new LineArrayRetained();
            break;
        case GEO_TYPE_INDEXED_POINT_SET:
            obj = new PointArrayRetained();
            break;
        case GEO_TYPE_INDEXED_QUAD_SET:
            obj = new QuadArrayRetained();
            break;
        case GEO_TYPE_INDEXED_TRI_SET:
            obj = new TriangleArrayRetained();
            break;
        default:
            assert false; // Should never get here
        }

        obj.createGeometryArrayData(validIndexCount,
                (vertexFormat & ~(GeometryArray.BY_REFERENCE|GeometryArray.INTERLEAVED|GeometryArray.USE_NIO_BUFFER)),
                texCoordSetCount, texCoordSetMap,
                vertexAttrCount, vertexAttrSizes);
        obj.cloneSourceArray = this;
        obj.unIndexify(this);
        obj.source=source;

        return obj;
    }


  /**
   * Gets current number of indices
   * @return indexCount
   */
  int getIndexCount(){
	return indexCount;
  }

    void doErrorCheck(int newMax) {
	doCoordCheck(newMax);
	if ((vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) != 0) {
	    if ((vertexFormat & GeometryArray.COLOR) != 0) {
		doColorCheck(newMax);
	    }
	    if ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0) {
		for (int i = 0; i < texCoordSetCount; i++) {
		    doTexCoordCheck(newMax, i);
		}
	    }
            if ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) {
		for (int i = 0; i < vertexAttrCount; i++) {
		    doVertexAttrCheck(newMax, i);
		}
            }
	    if ((vertexFormat & GeometryArray.NORMALS) != 0) {
		doNormalCheck(newMax);
	    }
	}
    }

    void doCoordCheck(int newMax) {
        // Check to make sure that the array length defined by the user is ateast maxCoordIndex long
	if ((vertexFormat & GeometryArray.BY_REFERENCE) == 0) {
	    if (newMax >= vertexCount) {
		throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray23"));
	    }
	}
	else {
	    if(( vertexFormat & GeometryArray.USE_NIO_BUFFER) != 0) {
		if ((vertexFormat & GeometryArray.INTERLEAVED) == 0) {
		    switch ((vertexType & GeometryArrayRetained.VERTEX_DEFINED)) {
		    case PF:
			if(floatBufferRefCoords != null && 3 * newMax >= floatBufferRefCoords.limit() ) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray23"));
			}
			break;
		    case PD:
			if(doubleBufferRefCoords != null && 3 * newMax >= doubleBufferRefCoords.limit() ) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray23"));
			}
			break;
		    }
		}
		else {
		    if(interleavedFloatBufferImpl != null && stride * newMax >= interleavedFloatBufferImpl.limit() ) {
			throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray23"));
		    }
		}
	    } else {
		if ((vertexFormat & GeometryArray.INTERLEAVED) == 0) {
		    switch ((vertexType & VERTEX_DEFINED)) {
		    case PF:
			if (floatRefCoords != null && (3 * newMax >= floatRefCoords.length)) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray23"));
			}
			break;
		    case PD:
			if (doubleRefCoords != null && (3 * newMax >= doubleRefCoords.length)) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray23"));
			}

			break;
		    case P3F:
			if (p3fRefCoords != null && (newMax >= p3fRefCoords.length)) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray23"));
			}
			break;
		    case P3D:
			if (p3dRefCoords != null && (newMax >= p3dRefCoords.length)) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray23"));
			}
			break;
		    default:
			break;
		    }
		}
		else {
		    if (interLeavedVertexData != null && (stride * newMax >= interLeavedVertexData.length)) {
			throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray23"));
		    }
		}
	    }
	}

    }

    void doColorCheck(int newMax) {
	// If the new Value is greater than the old value, make sure there is array length
	// to support the change
	// Check to make sure that the array length defined by the user is ateast maxCoordIndex long
	if ((vertexFormat & GeometryArray.COLOR) == 0)
	    return;

	if ((vertexFormat & GeometryArray.BY_REFERENCE) == 0) {
	    if (newMax >= vertexCount) {
		throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray24"));
	    }
	}
	else {
	    int multiplier = getColorStride();

	    if(( vertexFormat & GeometryArray.USE_NIO_BUFFER) != 0) {
		if ((vertexFormat & GeometryArray.INTERLEAVED) == 0) {
		    switch ((vertexType & COLOR_DEFINED)) {
		    case CF:
			if (floatBufferRefColors != null && multiplier * newMax >= floatBufferRefColors.limit()) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray24"));
			}
			break;
		    case CUB:
			if (byteBufferRefColors != null && multiplier * newMax >= byteBufferRefColors.limit()) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray24"));
			}
			break;
		    }
		}
		else {
		    if(interleavedFloatBufferImpl != null &&
		       stride * newMax >= interleavedFloatBufferImpl.limit()) {
			throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray24"));
		    }
		}
	    } else {
		if ((vertexFormat & GeometryArray.INTERLEAVED) == 0) {
		    switch ((vertexType & COLOR_DEFINED)) {
		    case CF:
			if (floatRefColors != null && (multiplier * newMax >= floatRefColors.length)) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray24"));
			}
			break;
		    case CUB:
			if (byteRefColors != null && (multiplier * newMax >= byteRefColors.length)) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray24"));
			}

			break;
		    case C3F:
			if (c3fRefColors != null && (newMax >= c3fRefColors.length)) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray24"));
			}
			break;
		    case C4F:
			if (c4fRefColors != null && (newMax >= c4fRefColors.length)) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray24"));
			}
			break;
		    case C3UB:
			if (c3bRefColors != null && (newMax >= c3bRefColors.length)) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray24"));
			}
			break;
		    case C4UB:
			if (c4bRefColors != null && (newMax >= c4bRefColors.length)) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray24"));
			}
			break;
		    default:
			break;
		    }
		} else {
		    if (interLeavedVertexData != null && (stride * newMax >= interLeavedVertexData.length)) {
			throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray24"));
		    }
		}
	    }
	}

    }


    void doNormalCheck(int newMax) {
	if ((vertexFormat & GeometryArray.NORMALS) == 0)
	    return;

	// Check to make sure that the array length defined by the user is ateast maxCoordIndex long
	if ((vertexFormat & GeometryArray.BY_REFERENCE) == 0) {
	    if (newMax >= vertexCount) {
		throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray26"));
	    }
	}
	else {
	    if(( vertexFormat & GeometryArray.USE_NIO_BUFFER) != 0) {
		if ((vertexFormat & GeometryArray.INTERLEAVED) == 0) {
		    switch ((vertexType & GeometryArrayRetained.NORMAL_DEFINED)) {
		    case NF:
			if(floatBufferRefNormals != null && 3 * newMax >= floatBufferRefNormals.limit() ) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray26"));
			}
			break;
		    }
		}
		else {
		    if(interleavedFloatBufferImpl != null && stride * newMax >= interleavedFloatBufferImpl.limit() ) {
			throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray26"));
		    }
		}
	    } else {
		if ((vertexFormat & GeometryArray.INTERLEAVED) == 0) {
		    switch ((vertexType & NORMAL_DEFINED)) {
		    case NF:
			if (floatRefNormals != null && (3 * newMax >= floatRefNormals.length)) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray26"));
			}
			break;
		    case N3F:
			if (v3fRefNormals != null && (newMax >= v3fRefNormals.length)) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray26"));
			}

			break;
		    default:
			break;
		    }
		}
		else {
		    if (interLeavedVertexData != null && (stride * newMax >= interLeavedVertexData.length)) {
			throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray26"));
		    }
		}
	    }
	}

    }



    void doTexCoordCheck(int newMax, int texCoordSet) {

	// Check to make sure that the array length defined by the user is ateast maxCoordIndex long
	if ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) == 0)
	    return;

	if ((vertexFormat & GeometryArray.BY_REFERENCE) == 0) {
	    if (newMax >= vertexCount) {
		throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray25"));
	    }
	}
	else {
	    int multiplier = getTexStride();

	    if(( vertexFormat & GeometryArray.USE_NIO_BUFFER) != 0) {
		if ((vertexFormat & GeometryArray.INTERLEAVED) == 0) {
		    switch ((vertexType & GeometryArrayRetained.TEXCOORD_DEFINED)) {
		    case TF:
			FloatBuffer texBuffer = (FloatBuffer)refTexCoordsBuffer[texCoordSet].getROBuffer();
			if(refTexCoords[texCoordSet] != null &&  multiplier * newMax >= texBuffer.limit()) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray25"));
			}
			break;
		    }
		}
		else {
		    if(interleavedFloatBufferImpl != null && stride * newMax >= interleavedFloatBufferImpl.limit() ) {
			throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray25"));
		    }
		}
	    } else {

		if ((vertexFormat & GeometryArray.INTERLEAVED) == 0) {
		    switch ((vertexType & TEXCOORD_DEFINED)) {
		    case TF:
			if (refTexCoords[texCoordSet] != null && (multiplier * newMax >= ((float[])refTexCoords[texCoordSet]).length)) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray25"));
			}
			break;
		    case T2F:
			if (refTexCoords[texCoordSet] != null && (newMax >= ((TexCoord2f[])refTexCoords[texCoordSet]).length)) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray25"));
			}

			break;
		    case T3F:
			if (refTexCoords[texCoordSet] != null && (newMax >= ((TexCoord3f[])refTexCoords[texCoordSet]).length)) {
			    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray25"));
			}
			break;
		    default:
			break;
		    }
		}
		else {
		    if (interLeavedVertexData != null && (stride * newMax >= interLeavedVertexData.length)) {
			throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray25"));
		    }
		}
	    }
	}

    }

    void doVertexAttrCheck(int newMax, int vertexAttrNum) {

        // Check to make sure that the array length defined by the user is ateast maxVertexAttrIndex long
        if ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) == 0) {
            return;
        }

        // Vertex attributes must not be interleaved
        assert (vertexFormat & GeometryArray.INTERLEAVED) == 0;

        if ((vertexFormat & GeometryArray.BY_REFERENCE) == 0) {
            if (newMax >= vertexCount) {
                throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray30"));
            }
        } else {
            int multiplier = vertexAttrSizes[vertexAttrNum];

            if(( vertexFormat & GeometryArray.USE_NIO_BUFFER) != 0) {
                switch (vertexType & VATTR_DEFINED) {
                case AF:
                    if(multiplier * newMax >= floatBufferRefVertexAttrs[vertexAttrNum].limit()) {
                        throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray30"));
                    }
                    break;
                }
            } else {
                switch (vertexType & VATTR_DEFINED) {
                case AF:
                    if (multiplier * newMax >= floatRefVertexAttrs[vertexAttrNum].length) {
                        throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray30"));
                    }
                    break;
                }
            }
        }
    }


    /**
     * Sets the coordinate index associated with the vertex at
     * the specified index for this object.
     * @param index the vertex index
     * @param coordinateIndex the new coordinate index
     */
    final void setCoordinateIndex(int index, int coordinateIndex) {
	int newMax;
	newMax = doIndexCheck(index, maxCoordIndex, indexCoord, coordinateIndex);
	if (newMax > maxCoordIndex) {
	    doErrorCheck(newMax);
	}
	if ((vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) != 0) {
	    if ((vertexFormat & GeometryArray.COLOR) != 0) {
		maxColorIndex = newMax;
	    }
	    if ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0) {
		for (int i = 0; i < texCoordSetCount; i++) {
		    maxTexCoordIndices[i] = newMax;
		}
	    }
	    if ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) {
		for (int i = 0; i < vertexAttrCount; i++) {
		    maxVertexAttrIndices[i] = newMax;
		}
	    }
	    if ((vertexFormat & GeometryArray.NORMALS) != 0) {
		maxNormalIndex = newMax;
	    }
	}

	boolean isLive = source!=null && source.isLive();
        if(isLive){
            geomLock.getLock();
        }
	dirtyFlag |= INDEX_CHANGED;
	this.indexCoord[index] = coordinateIndex;
	maxCoordIndex = newMax;
	if(isLive) {
            geomLock.unLock();
	}
	if (!inUpdater && isLive) {
	    sendDataChangedMessage(true);
	}
    }

    int doIndexCheck(int index, int maxIndex, int[] indices, int dataValue) {
	int newMax = maxIndex;
	if (index < initialIndexIndex)
	    return newMax;

	if (index >= (initialIndexIndex+validIndexCount))
	    return newMax;

	if (dataValue < 0) {
	    // Throw an exception, since index is negative
	    throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray27"));

	}

	if (newMax == indices[index]) {
	    if (dataValue >= newMax) {
		newMax = dataValue;
	    }
	    // Go thru the entire list and look for the max
	    else {
		for (int i = 0; i < indices.length; i++) {
		    if (indices[i] > newMax) {
			newMax = indices[i];
		    }
		}
	    }
	}
	else if (dataValue  > newMax)  {
	    newMax = dataValue;
	}
	return newMax;
    }

    int doIndicesCheck(int index, int maxIndex, int[] indices, int[] newIndices) {
	int newMax = maxIndex;
	boolean computeNewMax = false;
	int i, j, num = newIndices.length;
	boolean maxReset = false;
	for (j = 0; j < num; j++) {
	    if ((index+j) < initialIndexIndex)
		continue;

	    if ((index+j) >= (initialIndexIndex+validIndexCount))
		continue;
	    if (newIndices[j] < 0) {
		// Throw an exception, since index is negative
		throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray27"));

	    }
	    if (indices[index+j] == maxIndex) {
		if (newIndices[j] >= newMax) {
		    newMax = newIndices[j];
		    computeNewMax = false;
		    maxReset = true;
		}
		// Go thru the entire list and look for the max
		// If in the new list there is no value that is >=
		// to the old maximum
		else if (!maxReset){
		    computeNewMax = true;
		}
	    }
	    else if (newIndices[j]  >= newMax)  {
		newMax = newIndices[j];
		computeNewMax = false;
		maxReset = true;
	    }
	}
	if (computeNewMax) {
	    for (i = 0; i < indices.length; i++) {
		if (indices[i] > newMax) {
		    newMax = indices[i];
		}
	    }
	}
	return newMax;
    }


    /**
     * Sets the coordinate indices associated with the vertices starting at
     * the specified index for this object.
     * @param index the vertex index
     * @param coordinateIndices an array of coordinate indices
     */
    final void setCoordinateIndices(int index, int coordinateIndices[]) {
	int newMax;
	int i, j, num = coordinateIndices.length;
	newMax = doIndicesCheck(index, maxCoordIndex, indexCoord, coordinateIndices);
	if (newMax > maxCoordIndex) {
	    doErrorCheck(newMax);
	}
	if ((vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) != 0) {
	    if ((vertexFormat & GeometryArray.COLOR) != 0) {
		maxColorIndex = newMax;
	    }
	    if ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0) {
		for (i = 0; i < texCoordSetCount; i++) {
		    maxTexCoordIndices[i] = newMax;
		}
	    }
	    if ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) {
		for (i = 0; i < vertexAttrCount; i++) {
		    maxVertexAttrIndices[i] = newMax;
		}
	    }
	    if ((vertexFormat & GeometryArray.NORMALS) != 0) {
		maxNormalIndex = newMax;
	    }
	}

	boolean isLive = source!=null && source.isLive();
        if(isLive){
            geomLock.getLock();
        }
	dirtyFlag |= INDEX_CHANGED;
	maxCoordIndex = newMax;
	for (i=0, j = index; i < num;i++, j++) {
	    this.indexCoord[j] = coordinateIndices[i];
	}
	if(isLive) {
            geomLock.unLock();
	}
	if (!inUpdater && isLive) {
	    sendDataChangedMessage(true);
	}
    }

    //NVaidya
    /**
     * Sets the coordinate indices by reference to the specified array
     * @param coordinateIndices an array of coordinate indices
     */
    final void setCoordIndicesRef(int coordinateIndices[]) {
        int newMax = 0;

        if (coordinateIndices != null) {
            if (coordinateIndices.length < initialIndexIndex + validIndexCount) {
                throw new IllegalArgumentException(J3dI18N.getString("IndexedGeometryArray33"));
            }

            //
            // option 1: could fake the args to "re-use" doIndicesCheck()
            //NVaidya
            // newMax = doIndicesCheck(0, maxCoordIndex, coordinateIndices, coordinateIndices);
            // if (newMax > maxCoordIndex) {
            //     doErrorCheck(newMax);
            // }
            //
            // option 2: same logic as in setInitialIndexIndex: Better, I Think ?
            // computeMaxIndex() doesn't check for index < 0 while doIndicesCheck() does.
            // So, a new method computeMaxIndexWithCheck
            //NVaidya
            newMax = computeMaxIndexWithCheck(initialIndexIndex, validIndexCount, coordinateIndices);
            if (newMax > maxCoordIndex) {
                doErrorCheck(newMax);
            }
        }

        if ((vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) != 0) {
            if ((vertexFormat & GeometryArray.COLOR) != 0) {
                maxColorIndex = newMax;
            }
            if ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0) {
                for (int i = 0; i < texCoordSetCount; i++) {
                    maxTexCoordIndices[i] = newMax;
                }
            }
            if ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) {
                for (int i = 0; i < vertexAttrCount; i++) {
                    maxVertexAttrIndices[i] = newMax;
                }
            }
            if ((vertexFormat & GeometryArray.NORMALS) != 0) {
                maxNormalIndex = newMax;
            }
        }

        boolean isLive = source!=null && source.isLive();
        if(isLive){
            geomLock.getLock();
        }
        dirtyFlag |= INDEX_CHANGED;
        maxCoordIndex = newMax;
        this.indexCoord = coordinateIndices;
        if(isLive) {
            geomLock.unLock();
        }
        if (!inUpdater && isLive) {
            sendDataChangedMessage(true);
        }
    }

    //NVaidya
    /**
     * trigger from GeometryArrayRetained#updateData()
     * to recompute maxCoordIndex and perform index integrity checks
     */
    final void doPostUpdaterUpdate() {
        // user may have called setCoordIndicesRef and/or
        // changed contents of indexCoord array. Thus, need to
        // recompute maxCoordIndex unconditionally (and redundantly
        // if user had only invoked setCoordIndicesRef but not also
        // changed contents). geomLock is currently locked.

        // Option 1:
        // simply call setCoordIndicesRef(indexCoord); but this seems to cause
        // deadlock or freeze - probably because the !inUpdater branch sends
        // out too many sendDataChangedMessage(true) - occurs if updateData
        // method is called rapidly.
        // setCoordIndicesRef(indexCoord);

    // Option 2:
    // use only necessary code from setCoordIndicesRef
    // System.err.println("IndexedGeometryArrayretained#doUpdaterUpdate");
	int newMax = 0;

        if (indexCoord != null) {
            newMax = computeMaxIndexWithCheck(initialIndexIndex, validIndexCount, indexCoord);
            if (newMax > maxCoordIndex) {
                doErrorCheck(newMax);
            }
        }

	if ((vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) != 0) {
	    if ((vertexFormat & GeometryArray.COLOR) != 0) {
		maxColorIndex = newMax;
	    }
	    if ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0) {
		for (int i = 0; i < texCoordSetCount; i++) {
		    maxTexCoordIndices[i] = newMax;
		}
	    }
	    if ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) {
		for (int i = 0; i < vertexAttrCount; i++) {
		    maxVertexAttrIndices[i] = newMax;
		}
	    }
	    if ((vertexFormat & GeometryArray.NORMALS) != 0) {
		maxNormalIndex = newMax;
	    }
	}

	dirtyFlag |= INDEX_CHANGED;
	maxCoordIndex = newMax;
    }

    /**
     * Sets the color index associated with the vertex at
     * the specified index for this object.
     * @param index the vertex index
     * @param colorIndex the new color index
     */
    final void setColorIndex(int index, int colorIndex) {
	int newMax = maxColorIndex;

        newMax = doIndexCheck(index, maxColorIndex, indexColor, colorIndex);
        if (newMax > maxColorIndex) {
            doColorCheck(newMax);
        }
        boolean isLive = source!=null && source.isLive();
        if(isLive){
            geomLock.getLock();
        }
        // No need to set INDEX_CHANGED since IndexBuffer
        // is used only when USE_COORD_INDEX_ONLY specified.
        // In this case only coordinate index array is
        // considered.
        this.indexColor[index] = colorIndex;
        maxColorIndex = newMax;
        if(isLive) {
            geomLock.unLock();
        }
        if (!inUpdater && isLive) {
            sendDataChangedMessage(false);
        }
    }

    /**
     * Sets the color indices associated with the vertices starting at
     * the specified index for this object.
     * @param index the vertex index
     * @param colorIndices an array of color indices
     */
    final void setColorIndices(int index, int colorIndices[]) {
	int i, j, num = colorIndices.length;
	int newMax;

        newMax = doIndicesCheck(index, maxColorIndex, indexColor, colorIndices);
        if (newMax > maxColorIndex) {
            doColorCheck(newMax);
        }
        boolean isLive = source!=null && source.isLive();
        if(isLive){
            geomLock.getLock();
        }
        maxColorIndex = newMax;
        for (i=0, j = index; i < num;i++, j++) {
            this.indexColor[j] = colorIndices[i];
        }
        if(isLive) {
            geomLock.unLock();
        }
        if (!inUpdater && isLive) {
            sendDataChangedMessage(false);
        }
    }

    /**
     * Sets the normal index associated with the vertex at
     * the specified index for this object.
     * @param index the vertex index
     * @param normalIndex the new normal index
     */
    final void setNormalIndex(int index, int normalIndex) {
	int newMax;

        newMax = doIndexCheck(index, maxNormalIndex, indexNormal, normalIndex);
        if (newMax > maxNormalIndex) {
            doNormalCheck(newMax);
        }
        boolean isLive = source!=null && source.isLive();
        if(isLive){
            geomLock.getLock();
        }
        maxNormalIndex = newMax;
        this.indexNormal[index] = normalIndex;
        if(isLive) {
        	geomLock.unLock();
        }
        if (!inUpdater && isLive) {
            sendDataChangedMessage(false);
        }
    }

    /**
     * Sets the normal indices associated with the vertices starting at
     * the specified index for this object.
     * @param index the vertex index
     * @param normalIndices an array of normal indices
     */
    final void setNormalIndices(int index, int normalIndices[]) {
	int i, j, num = normalIndices.length;
	int newMax;

        newMax = doIndicesCheck(index, maxNormalIndex, indexNormal, normalIndices);
        if (newMax > maxNormalIndex) {
            doNormalCheck(newMax);
        }
        boolean isLive = source!=null && source.isLive();
        if(isLive){
            geomLock.getLock();
        }
        for (i=0, j = index; i < num;i++, j++) {
            this.indexNormal[j] = normalIndices[i];
        }
        maxNormalIndex = newMax;
        if(isLive) {
            geomLock.unLock();
        }
        if (!inUpdater && isLive) {
            sendDataChangedMessage(false);
        }
    }

    /**
     * Sets the texture coordinate index associated with the vertex at
     * the specified index for this object.
     * @param texCoordSet the texture coordinate set
     * @param index the vertex index
     * @param texCoordIndex the new texture coordinate index
     */
    final void setTextureCoordinateIndex(int texCoordSet, int index, int texCoordIndex) {
	int newMax;
	int [] indices = this.indexTexCoord[texCoordSet];

        newMax = doIndexCheck(index, maxTexCoordIndices[texCoordSet],indices, texCoordIndex);
        if (newMax > maxTexCoordIndices[texCoordSet]) {
            doTexCoordCheck(newMax, texCoordSet);
        }
        boolean isLive = source!=null && source.isLive();
        if(isLive){
            geomLock.getLock();
        }
        maxTexCoordIndices[texCoordSet] = newMax;
        indices[index] = texCoordIndex;
        if(isLive) {
            geomLock.unLock();
        }
        if (!inUpdater && isLive) {
            sendDataChangedMessage(false);
        }
    }

    /**
     * Sets the texture coordinate indices associated with the vertices
     * starting at the specified index for this object.
     * @param texCoordSet the texture coordinate set
     * @param index the vertex index
     * @param texCoordIndices an array of texture coordinate indices
     */
    final void setTextureCoordinateIndices(int texCoordSet, int index, int texCoordIndices[]) {
        int i, j, num = texCoordIndices.length;
        int [] indices = this.indexTexCoord[texCoordSet];

        int newMax;

        newMax = doIndicesCheck(index, maxTexCoordIndices[texCoordSet], indices, texCoordIndices);
        if (newMax > maxTexCoordIndices[texCoordSet]) {
            doTexCoordCheck(newMax, texCoordSet);
        }
        boolean isLive = source!=null && source.isLive();
        if(isLive){
            geomLock.getLock();
        }
        maxTexCoordIndices[texCoordSet] = newMax;
        for (i=0, j = index; i < num;i++, j++) {
            indices[j] = texCoordIndices[i];
        }
        if(isLive) {
            geomLock.unLock();
        }
        if (!inUpdater && isLive) {
            sendDataChangedMessage(false);
        }
    }

    /**
     * Sets the vertex attribute index associated with the vertex at
     * the specified index for the specified vertex attribute number
     * for this object.
     */
    void setVertexAttrIndex(int vertexAttrNum,
                            int index,
                            int vertexAttrIndex) {

	int newMax;
	int [] indices = this.indexVertexAttr[vertexAttrNum];

        newMax = doIndexCheck(index, maxVertexAttrIndices[vertexAttrNum],indices, vertexAttrIndex);
        if (newMax > maxVertexAttrIndices[vertexAttrNum]) {
            doVertexAttrCheck(newMax, vertexAttrNum);
        }
        boolean isLive = source!=null && source.isLive();
        if(isLive){
            geomLock.getLock();
        }
        maxVertexAttrIndices[vertexAttrNum] = newMax;
        indices[index] = vertexAttrIndex;
        if(isLive) {
            geomLock.unLock();
        }
        if (!inUpdater && isLive) {
            sendDataChangedMessage(false);
        }
    }

    /**
     * Sets the vertex attribute indices associated with the vertices
     * starting at the specified index for the specified vertex attribute number
     * for this object.
     */
    void setVertexAttrIndices(int vertexAttrNum,
                              int index,
                              int[] vertexAttrIndices) {

        int i, j, num = vertexAttrIndices.length;
        int [] indices = this.indexVertexAttr[vertexAttrNum];

        int newMax;

        newMax = doIndicesCheck(index, maxVertexAttrIndices[vertexAttrNum], indices, vertexAttrIndices);
        if (newMax > maxVertexAttrIndices[vertexAttrNum]) {
            doVertexAttrCheck(newMax, vertexAttrNum);
        }
        boolean isLive = source!=null && source.isLive();
        if(isLive){
            geomLock.getLock();
        }
        maxVertexAttrIndices[vertexAttrNum] = newMax;
        for (i=0, j = index; i < num;i++, j++) {
            indices[j] = vertexAttrIndices[i];
        }
        if(isLive) {
            geomLock.unLock();
        }
        if (!inUpdater && isLive) {
            sendDataChangedMessage(false);
        }
    }

    /**
     * Retrieves the coordinate index associated with the vertex at
     * the specified index for this object.
     * @param index the vertex index
     * @return the coordinate index
     */
    final int getCoordinateIndex(int index) {
	return this.indexCoord[index];
    }

    /**
     * Retrieves the coordinate indices associated with the vertices starting at
     * the specified index for this object.
     * @param index the vertex index
     * @param coordinateIndices array that will receive the coordinate indices
     */
    final void getCoordinateIndices(int index, int coordinateIndices[]) {
        int i, j, num = coordinateIndices.length;

        for (i=0, j = index;i < num;i++, j++) {
            coordinateIndices[i] = this.indexCoord[j];
        }
    }

    //NVaidya
    /**
     * Returns a reference to the coordinate indices associated
     * with the vertices
     */
    final int[] getCoordIndicesRef() {
        return this.indexCoord;
    }

    /**
     * Retrieves the color index associated with the vertex at
     * the specified index for this object.
     * @param index the vertex index
     * @return the color index
     */
    final int getColorIndex(int index) {
	return this.indexColor[index];
    }

    /**
     * Retrieves the color indices associated with the vertices starting at
     * the specified index for this object.
     * @param index the vertex index
     * @param colorIndices array that will receive the color indices
     */
    final void getColorIndices(int index, int colorIndices[]) {
        int i, j, num = colorIndices.length;

        for (i=0, j = index;i < num;i++, j++) {
            colorIndices[i] = this.indexColor[j];
        }
    }

    /**
     * Retrieves the normal index associated with the vertex at
     * the specified index for this object.
     * @param index the vertex index
     * @return the normal index
     */
    final int getNormalIndex(int index) {
	return this.indexNormal[index];
    }

    /**
     * Retrieves the normal indices associated with the vertices starting at
     * the specified index for this object.
     * @param index the vertex index
     * @param normalIndices array that will receive the normal indices
     */
    final void getNormalIndices(int index, int normalIndices[]) {
        int i, j, num = normalIndices.length;

        for (i=0, j = index;i < num;i++, j++) {
            normalIndices[i] = this.indexNormal[j];
        }
    }

    /**
     * Retrieves the texture coordinate index associated with the vertex at
     * the specified index for this object.
     * @param texCoordSet the texture coordinate set
     * @param index the vertex index
     * @return the texture coordinate index
     */
    final int getTextureCoordinateIndex(int texCoordSet, int index) {
	int [] indices = this.indexTexCoord[texCoordSet];

        return indices[index];
    }

    /**
     * Retrieves the texture coordinate indices associated with the vertices
     * starting at the specified index for this object.
     * @param texCoordSet the texture coordinate set
     * @param index the vertex index
     * @param texCoordIndices array that will receive the texture coordinate indices
     */
    final void getTextureCoordinateIndices(int texCoordSet, int index, int texCoordIndices[]) {
        int i, j, num = texCoordIndices.length;
        int [] indices = this.indexTexCoord[texCoordSet];

        for (i=0, j = index;i < num;i++, j++) {
            texCoordIndices[i] = indices[j];
        }
    }

    /**
     * Retrieves the vertex attribute index associated with the vertex at
     * the specified index for the specified vertex attribute number
     * for this object.
     */
    int getVertexAttrIndex(int vertexAttrNum,
                           int index) {

        int [] indices = this.indexVertexAttr[vertexAttrNum];

        return indices[index];
    }

    /**
     * Retrieves the vertex attribute indices associated with the vertices
     * starting at the specified index for the specified vertex attribute number
     * for this object.
     */
    void getVertexAttrIndices(int vertexAttrNum,
                              int index,
                              int[] vertexAttrIndices) {

        int i, j, num = vertexAttrIndices.length;
        int [] indices = this.indexVertexAttr[vertexAttrNum];

        for (i=0, j = index;i < num;i++, j++) {
            vertexAttrIndices[i] = indices[j];
        }
    }


    @Override
    void execute(Canvas3D cv, RenderAtom ra, boolean isNonUniformScale,
		 boolean updateAlpha, float alpha,
		 int screen, boolean ignoreVertexColors) {

	int cdirty;
	boolean useAlpha = false;
	Object[] retVal;
	if (mirrorGeometry != null) {
	    mirrorGeometry.execute(cv, ra, isNonUniformScale, updateAlpha, alpha,
				   screen, ignoreVertexColors);
	    return;
	}

        // Check if index array is null; if yes, don't draw anything
        if (indexCoord == null) {
            return;
        }

        //By reference with java array
	if ((vertexFormat & GeometryArray.USE_NIO_BUFFER) == 0) {
	    if ((vertexFormat & GeometryArray.BY_REFERENCE) == 0) {
		float[] vdata;
		//	    System.err.println("by-copy");
		synchronized (this) {
		    cdirty = dirtyFlag;
		    if (updateAlpha && !ignoreVertexColors) {
			// update the alpha values
			retVal = updateAlphaInVertexData(cv, screen, alpha);
			useAlpha = (retVal[0] == Boolean.TRUE);
			vdata = (float[])retVal[1];

			// D3D only
			if (alpha != lastScreenAlpha) {
			    // handle multiple screen case
			    lastScreenAlpha = alpha;
			    cdirty |= COLOR_CHANGED;
			}
		    } else {
			vdata = vertexData;
			// if transparency switch between on/off
			if (lastScreenAlpha != -1) {
			    lastScreenAlpha = -1;
			    cdirty |= COLOR_CHANGED;
			}
		    }
		    // geomLock is get in MasterControl when
		    // RenderBin render the geometry. So it is safe
		    // just to set the dirty flag here
		    dirtyFlag = 0;
                }

                Pipeline.getPipeline().executeIndexedGeometry(cv.ctx,
                        this, geoType, isNonUniformScale,
                        useAlpha,
                        ignoreVertexColors,
                        initialIndexIndex,
                        validIndexCount,
                        // Vertex Count is maxCoordIndex + 1
                        maxCoordIndex + 1,
                        ((vertexFormat & GeometryArray.COLOR) != 0)?(vertexFormat|GeometryArray.COLOR_4):vertexFormat,
                        vertexAttrCount, vertexAttrSizes,
                        texCoordSetCount, texCoordSetMap,
                        (texCoordSetMap == null) ? 0 : texCoordSetMap.length,
                        texCoordSetMapOffset,
                        cv.numActiveTexUnit,
                        vdata, null,
                        cdirty, indexCoord);


	    } // end of non by reference
	    else if ((vertexFormat & GeometryArray.INTERLEAVED) != 0) {
		if(interLeavedVertexData == null)
		    return;

		float[] cdata = null;

		synchronized (this) {
		    cdirty = dirtyFlag;
		    if (updateAlpha && !ignoreVertexColors) {
			// update the alpha values
			retVal = updateAlphaInInterLeavedData(cv, screen, alpha);
			useAlpha = (retVal[0] == Boolean.TRUE);
			cdata = (float[])retVal[1];
			if (alpha != lastScreenAlpha) {
			    lastScreenAlpha = alpha;
			    cdirty |= COLOR_CHANGED;
			}
		    } else {
			// if transparency switch between on/off
			if (lastScreenAlpha != -1) {
			    lastScreenAlpha = -1;
			    cdirty |= COLOR_CHANGED;
			}
		    }
		    dirtyFlag = 0;
		}

                Pipeline.getPipeline().executeIndexedGeometry(cv.ctx,
                        this, geoType, isNonUniformScale,
                        useAlpha,
                        ignoreVertexColors,
                        initialIndexIndex,
                        validIndexCount,
                        maxCoordIndex + 1,
                        vertexFormat,
                        vertexAttrCount, vertexAttrSizes,
                        texCoordSetCount, texCoordSetMap,
                        (texCoordSetMap == null) ? 0 : texCoordSetMap.length,
                        texCoordSetMapOffset,
                        cv.numActiveTexUnit,
                        interLeavedVertexData, cdata,
                        cdirty, indexCoord);
	    }  //end of interleaved
	    else {
                // Check if a vertexformat is set, but the array is null
		// if yes, don't draw anything
		if ((vertexType == 0) ||
		    ((vertexType & VERTEX_DEFINED) == 0) ||
		    (((vertexFormat & GeometryArray.COLOR) != 0) &&
		     (vertexType & COLOR_DEFINED) == 0) ||
		    (((vertexFormat & GeometryArray.NORMALS) != 0) &&
		     (vertexType & NORMAL_DEFINED) == 0) ||
		    (((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) &&
		     (vertexType & VATTR_DEFINED) == 0) ||
		    (((vertexFormat& GeometryArray.TEXTURE_COORDINATE) != 0) &&
		     (vertexType & TEXCOORD_DEFINED) == 0)) {
		    return;
		} else {
		    byte[] cbdata = null;
		    float[] cfdata = null;

		    if ((vertexType & (CF | C3F | C4F )) != 0) {
			synchronized (this) {
			    cdirty = dirtyFlag;
			    if (updateAlpha && !ignoreVertexColors) {
				cfdata = updateAlphaInFloatRefColors(cv,
								     screen, alpha);
				if (alpha != lastScreenAlpha) {
				    lastScreenAlpha = alpha;
				    cdirty |= COLOR_CHANGED;
				}
			    } else {
				cfdata = mirrorFloatRefColors[0];
				// if transparency switch between on/off
				if (lastScreenAlpha != -1) {
				    lastScreenAlpha = -1;
				    cdirty |= COLOR_CHANGED;
				}

			    }
			    dirtyFlag = 0;
			}
		    } else if ((vertexType & (CUB| C3UB | C4UB)) != 0) {
			synchronized (this) {
			    cdirty = dirtyFlag;
			    if (updateAlpha && !ignoreVertexColors) {
				cbdata = updateAlphaInByteRefColors(
								    cv, screen, alpha);
				if (alpha != lastScreenAlpha) {
				    lastScreenAlpha = alpha;
				    cdirty |= COLOR_CHANGED;
				}
			    } else {
				cbdata = mirrorUnsignedByteRefColors[0];
				// if transparency switch between on/off
				if (lastScreenAlpha != -1) {
				    lastScreenAlpha = -1;
				    cdirty |= COLOR_CHANGED;
				}
			    }
			    dirtyFlag = 0;
			}
		    } else {
			cdirty = dirtyFlag;
		    }

		    int vdefined = 0;
		    if((vertexType & (PF | P3F)) != 0)
			vdefined |= COORD_FLOAT;
		    if((vertexType & (PD | P3D)) != 0)
			vdefined |= COORD_DOUBLE;
		    if((vertexType & (CF | C3F | C4F)) != 0)
			vdefined |= COLOR_FLOAT;
		    if((vertexType & (CUB| C3UB | C4UB)) != 0)
			vdefined |= COLOR_BYTE;
		    if((vertexType & NORMAL_DEFINED) != 0)
			vdefined |= NORMAL_FLOAT;
                    if((vertexType & VATTR_DEFINED) != 0)
                        vdefined |= VATTR_FLOAT;
                    if((vertexType & TEXCOORD_DEFINED) != 0)
                        vdefined |= TEXCOORD_FLOAT;

                    Pipeline.getPipeline().executeIndexedGeometryVA(cv.ctx,
                            this, geoType, isNonUniformScale,
                            ignoreVertexColors,
                            initialIndexIndex,
                            validIndexCount,
                            maxCoordIndex + 1,
                            (vertexFormat | c4fAllocated),
                            vdefined,
                            mirrorFloatRefCoords, mirrorDoubleRefCoords,
                            cfdata, cbdata,
                            mirrorFloatRefNormals,
                            vertexAttrCount, vertexAttrSizes,
                            mirrorFloatRefVertexAttrs,
                            ((texCoordSetMap == null) ? 0:texCoordSetMap.length),
                            texCoordSetMap,
                            cv.numActiveTexUnit,
                            texCoordStride,
                            mirrorRefTexCoords, cdirty, indexCoord);
                }
	    } // end of non interleaved and by reference
	}//end of non io buffer

	else {
	    if ((vertexFormat & GeometryArray.INTERLEAVED) != 0) {
		if( interleavedFloatBufferImpl == null)
		    return;

		float[] cdata = null;

		synchronized (this) {
		    cdirty = dirtyFlag;
		    if (updateAlpha && !ignoreVertexColors) {
			// update the alpha values
			retVal = updateAlphaInInterLeavedData(cv, screen, alpha);
			useAlpha = (retVal[0] == Boolean.TRUE);
			cdata = (float[])retVal[1];
			if (alpha != lastScreenAlpha) {
			    lastScreenAlpha = alpha;
			    cdirty |= COLOR_CHANGED;
			}
		    } else {
			// if transparency switch between on/off
			if (lastScreenAlpha != -1) {
			    lastScreenAlpha = -1;
			    cdirty |= COLOR_CHANGED;
			}
		    }
		    dirtyFlag = 0;
		}

                Pipeline.getPipeline().executeIndexedGeometryBuffer(cv.ctx,
                        this, geoType, isNonUniformScale,
                        useAlpha,
                        ignoreVertexColors,
                        initialIndexIndex,
                        validIndexCount,
                        maxCoordIndex + 1,
                        vertexFormat,
                        texCoordSetCount, texCoordSetMap,
                        (texCoordSetMap == null) ? 0 : texCoordSetMap.length,
                        texCoordSetMapOffset,
                        cv.numActiveTexUnit,
                        interleavedFloatBufferImpl, cdata,
                        cdirty, indexCoord);
	    }  //end of interleaved
	    else {
                // Check if a vertexformat is set, but the array is null
		// if yes, don't draw anything
		if ((vertexType == 0) ||
		    ((vertexType & VERTEX_DEFINED) == 0) ||
		    (((vertexFormat & GeometryArray.COLOR) != 0) &&
		     (vertexType & COLOR_DEFINED) == 0) ||
		    (((vertexFormat & GeometryArray.NORMALS) != 0) &&
		     (vertexType & NORMAL_DEFINED) == 0) ||
		    (((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) &&
		     (vertexType & VATTR_DEFINED) == 0) ||
		    (((vertexFormat& GeometryArray.TEXTURE_COORDINATE) != 0) &&
		     (vertexType & TEXCOORD_DEFINED) == 0)) {
		    return;
		} else {
		    byte[] cbdata = null;
		    float[] cfdata = null;

		    if ((vertexType & CF ) != 0) {
			synchronized (this) {
			    cdirty = dirtyFlag;
			    if (updateAlpha && !ignoreVertexColors) {
				cfdata = updateAlphaInFloatRefColors(cv,
								     screen, alpha);
				if (alpha != lastScreenAlpha) {
				    lastScreenAlpha = alpha;
				    cdirty |= COLOR_CHANGED;
				}
			    } else {
				// XXXX: handle transparency case
				//cfdata = null;
				cfdata = mirrorFloatRefColors[0];
				// if transparency switch between on/off
				if (lastScreenAlpha != -1) {
				    lastScreenAlpha = -1;
				    cdirty |= COLOR_CHANGED;
				}

			    }
			    dirtyFlag = 0;
			}
		    } else if ((vertexType & CUB ) != 0) {
			synchronized (this) {
			    cdirty = dirtyFlag;
			    if (updateAlpha && !ignoreVertexColors) {
				cbdata = updateAlphaInByteRefColors(
								    cv, screen, alpha);
				if (alpha != lastScreenAlpha) {
				    lastScreenAlpha = alpha;
				    cdirty |= COLOR_CHANGED;
				}
			    } else {
				// XXXX: handle transparency case
				// cbdata = null;
				cbdata = mirrorUnsignedByteRefColors[0];
				// if transparency switch between on/off
				if (lastScreenAlpha != -1) {
				    lastScreenAlpha = -1;
				    cdirty |= COLOR_CHANGED;
				}
			    }
			    dirtyFlag = 0;
			}
		    } else {
			cdirty = dirtyFlag;
		    }

		    Buffer vcoord = null;
		    Buffer cdataBuffer = null;
		    FloatBuffer normal = null;

		    int vdefined = 0;
		    if((vertexType & PF)  != 0) {
			vdefined |= COORD_FLOAT;
			vcoord = floatBufferRefCoords;
		    } else if((vertexType & PD ) != 0) {
			vdefined |= COORD_DOUBLE;
			vcoord = doubleBufferRefCoords;
		    }
		    if((vertexType & CF ) != 0) {
			vdefined |= COLOR_FLOAT;
			cdataBuffer = floatBufferRefColors;
		    } else if((vertexType & CUB) != 0) {
			vdefined |= COLOR_BYTE;
			cdataBuffer = byteBufferRefColors;
		    }

		    if((vertexType & NORMAL_DEFINED) != 0) {
			vdefined |= NORMAL_FLOAT;
			normal = floatBufferRefNormals;
		    }

                    if ((vertexType & VATTR_DEFINED) != 0) {
                       vdefined |= VATTR_FLOAT;
                    }

                    if ((vertexType & TEXCOORD_DEFINED) != 0) {
                       vdefined |= TEXCOORD_FLOAT;
                    }

                    Pipeline.getPipeline().executeIndexedGeometryVABuffer(cv.ctx,
                            this, geoType, isNonUniformScale,
                            ignoreVertexColors,
                            initialIndexIndex,
                            validIndexCount,
                            maxCoordIndex + 1,
                            (vertexFormat | c4fAllocated),
                            vdefined,
                            vcoord,
                            cdataBuffer,
                            cfdata, cbdata,
                            normal,
                            vertexAttrCount, vertexAttrSizes,
                            floatBufferRefVertexAttrs,
                            ((texCoordSetMap == null) ? 0:texCoordSetMap.length),
                            texCoordSetMap,
                            cv.numActiveTexUnit,
                            texCoordStride,
                            refTexCoords, cdirty, indexCoord);

		}
	    } // end of non interleaved and by reference
	} // end of nio buffer
    }

    @Override
    void buildGA(Canvas3D cv, RenderAtom ra, boolean isNonUniformScale,
		 boolean updateAlpha, float alpha, boolean ignoreVertexColors,
		 Transform3D xform, Transform3D nxform) {
	int cdirty;
	boolean useAlpha = false;
	Object[] retVal;
	if (mirrorGeometry != null) {
	    ((GeometryArrayRetained)mirrorGeometry).buildGA(cv, ra, isNonUniformScale, updateAlpha, alpha,
		    ignoreVertexColors, xform, nxform);
	}
	else {

	    if ((vertexFormat & GeometryArray.BY_REFERENCE) == 0) {
                float[] vdata;
		//	    System.err.println("by-copy");
		synchronized (this) {
		    cdirty = dirtyFlag;
		    if (updateAlpha && !ignoreVertexColors) {
			// update the alpha values
			retVal = updateAlphaInVertexData(cv, cv.screen.screen, alpha);
			useAlpha = (retVal[0] == Boolean.TRUE);
			vdata = (float[])retVal[1];

			// D3D only
			if (alpha != lastScreenAlpha) {
			    // handle multiple screen case
			    lastScreenAlpha = alpha;
			    cdirty |= COLOR_CHANGED;
			}
		    } else {
			vdata = vertexData;
			// if transparency switch between on/off
			if (lastScreenAlpha != -1) {
			    lastScreenAlpha = -1;
			    cdirty |= COLOR_CHANGED;
			}
		    }
		    // geomLock is get in MasterControl when
		    // RenderBin render the geometry. So it is safe
		    // just to set the dirty flag here
		    dirtyFlag = 0;
		}

                Pipeline.getPipeline().buildIndexedGeometry(cv.ctx,
                        this, geoType, isNonUniformScale,
                        updateAlpha, alpha, ignoreVertexColors,
                        initialIndexIndex,
                        validIndexCount,
                        maxCoordIndex + 1,
                        vertexFormat,
                        vertexAttrCount, vertexAttrSizes,
                        texCoordSetCount, texCoordSetMap,
                        (texCoordSetMap == null) ? 0 : texCoordSetMap.length,
                        texCoordSetMapOffset,
                        (xform == null) ? null : xform.mat,
                        (nxform == null) ? null : nxform.mat,
                        vdata, indexCoord);
	    }
            // XXXX: Note that there is no "else" clause here, and no
            // buildIndexedGeometryForByRef() method.
            // We would need to create one if we ever wanted to support by-ref
            // indexed geometry in display lists. Better yet, we could fix
            // canBeInDisplayList so that unindexified by-ref geometry could
            // go into a display list.
	}
    }

    @Override
    void mergeGeometryArrays(ArrayList list) {
	int numMerge = list.size();
	int[] texCoord = null;
	indexCount = 0;
	for (int i=0; i < numMerge; i++) {
	    IndexedGeometryArrayRetained geo= (IndexedGeometryArrayRetained)list.get(i);
	    indexCount += geo.validIndexCount;
	}
	validIndexCount = indexCount;
	initialIndexIndex = 0;
	compileIndexCount = new int[numMerge];
	compileIndexOffset = new int[numMerge];
	indexCoord = new int[indexCount];
        boolean notUCIO = (vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) == 0;
        if (notUCIO) {
            if ((vertexFormat  & GeometryArray.COLOR) != 0)
                indexColor = new int[indexCount];
            if ((vertexFormat  &  GeometryArray.NORMALS) != 0)
                indexNormal = new int[indexCount];
            // We only merge if the texCoordSetCount is 1 and there are no
            // vertex attrs
            if ((vertexFormat  &  GeometryArray.TEXTURE_COORDINATE) != 0) {
                indexTexCoord = new int[1][];
                indexTexCoord[0] = new int[indexCount];
                texCoord = indexTexCoord[0];
            }
        }
	int curDataOffset = 0;
	int curIndexOffset = 0;
	for (int i = 0; i < numMerge; i++) {
	    IndexedGeometryArrayRetained geo= (IndexedGeometryArrayRetained)list.get(i);
	    int curIndexCount = geo.validIndexCount;
	    compileIndexCount[i] = curIndexCount;
	    // Copy all the indices
	    for (int j = 0; j < curIndexCount; j++) {
		indexCoord[j+curIndexOffset] = geo.indexCoord[j+geo.initialIndexIndex]+curDataOffset;
                if (notUCIO) {
	            if ((vertexFormat  & GeometryArray.COLOR) != 0)
	                indexColor[j+curIndexOffset] = geo.indexColor[j+geo.initialIndexIndex]+curDataOffset;
	            if ((vertexFormat  &  GeometryArray.NORMALS) != 0)
	                indexNormal[j+curIndexOffset] = geo.indexNormal[j+geo.initialIndexIndex]+curDataOffset;
	            if ((vertexFormat  &  GeometryArray.TEXTURE_COORDINATE) != 0)
	                texCoord[j+curIndexOffset] = geo.indexTexCoord[0][j+geo.initialIndexIndex]+curDataOffset;
                }
	    }
	    maxCoordIndex = geo.maxCoordIndex +curDataOffset;
	    compileIndexOffset[i] = curIndexOffset;
	    curDataOffset += geo.vertexCount;
	    curIndexOffset += curIndexCount;
	}
	// reset the max Values

	// call the super to merge the vertex data
	super.mergeGeometryArrays(list);
    }


    @Override
    boolean isWriteStatic() {

        if (!super.isWriteStatic() ||
                source.getCapability(IndexedGeometryArray.ALLOW_COORDINATE_INDEX_WRITE ) ||
                source.getCapability(IndexedGeometryArray.ALLOW_COLOR_INDEX_WRITE) ||
                source.getCapability(IndexedGeometryArray.ALLOW_NORMAL_INDEX_WRITE) ||
                source.getCapability(IndexedGeometryArray.ALLOW_VERTEX_ATTR_INDEX_WRITE) ||
                source.getCapability(IndexedGeometryArray.ALLOW_TEXCOORD_INDEX_WRITE)) {
            return false;
        }

	return true;
    }

    /**
     * Gets current number of indices
     * @return indexCount
     */
    int getIndexCount(int id){
	return compileIndexCount[id];
    }

    int computeMaxIndex(int initial, int count, int[] indices) {
	int maxIndex = 0;
        if (indices != null) {
            for (int i = initial; i < (initial+count); i++) {
                if (indices[i] > maxIndex) {
                    maxIndex = indices[i];
                }
            }
        }
	return maxIndex;

    }

    //NVaidya
    // same as computeMaxIndex method but checks for index < 0
    int computeMaxIndexWithCheck(int initial, int count, int[] indices) {
	int maxIndex = 0;
	for (int i = initial; i < (initial+count); i++) {
		// Throw an exception, since index is negative
        if (indices[i] < 0)
		throw new ArrayIndexOutOfBoundsException(J3dI18N.getString("IndexedGeometryArray27"));
	    if (indices[i] > maxIndex) {
		maxIndex = indices[i];
	    }
	}
	return maxIndex;

    }

    void setValidIndexCount(int validIndexCount) {
	if (validIndexCount < 0) {
	    throw new IllegalArgumentException(J3dI18N.getString("IndexedGeometryArray21"));
	}
	if ((initialIndexIndex + validIndexCount) > indexCount) {
	    throw new IllegalArgumentException(J3dI18N.getString("IndexedGeometryArray22"));
	}
        if ((vertexFormat & GeometryArray.BY_REFERENCE_INDICES) != 0) {
            if (indexCoord != null && indexCoord.length < initialIndexIndex + validIndexCount) {
                throw new IllegalArgumentException(J3dI18N.getString("IndexedGeometryArray33"));
            }
        }
	int newCoordMax =0;
	int newColorIndex=0;
	int newNormalIndex=0;
	int[] newTexCoordIndex = null;
        int[] newVertexAttrIndex = null;

	newCoordMax = computeMaxIndex(initialIndexIndex, validIndexCount,indexCoord );
	doErrorCheck(newCoordMax);
	if ((vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) == 0) {
	    if ((vertexFormat & GeometryArray.COLOR) != 0) {
		newColorIndex = computeMaxIndex(initialIndexIndex, validIndexCount, indexColor);
		doColorCheck(newColorIndex);
	    }
	    if ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0) {
		newTexCoordIndex = new int[texCoordSetCount];
		for (int i = 0; i < texCoordSetCount; i++) {
		   newTexCoordIndex[i] =  computeMaxIndex(initialIndexIndex,validIndexCount,
								  indexTexCoord[i]);
		   doTexCoordCheck(newTexCoordIndex[i], i);
		}
	    }
	    if ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) {
		newVertexAttrIndex = new int[vertexAttrCount];
		for (int i = 0; i < vertexAttrCount; i++) {
		   newVertexAttrIndex[i] = computeMaxIndex(initialIndexIndex,
                                                           validIndexCount,
                                                           indexVertexAttr[i]);
		   doVertexAttrCheck(newVertexAttrIndex[i], i);
		}
	    }
	    if ((vertexFormat & GeometryArray.NORMALS) != 0) {
		newNormalIndex = computeMaxIndex(initialIndexIndex, validIndexCount, indexNormal);
		doNormalCheck(newNormalIndex);
	    }
	}

	boolean isLive = source!=null && source.isLive();
        if(isLive){
            geomLock.getLock();
        }
	this.validIndexCount = validIndexCount;
	maxCoordIndex = newCoordMax;
	if ((vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) == 0) {
	    maxColorIndex = newColorIndex;
	    if ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0) {
		for (int i = 0; i < texCoordSetCount; i++) {
		    maxTexCoordIndices[i] = newTexCoordIndex[i];
		}
	    }
	    if ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) {
		for (int i = 0; i < vertexAttrCount; i++) {
		    maxVertexAttrIndices[i] = newVertexAttrIndex[i];
		}
	    }
	    maxNormalIndex = newNormalIndex;
	}
	else {
	    maxColorIndex = maxCoordIndex;
	    maxNormalIndex = maxCoordIndex;
	    if ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0) {
		for (int i = 0; i < texCoordSetCount; i++) {
		    maxTexCoordIndices[i] = maxCoordIndex;
		}
	    }
	    if ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) {
		for (int i = 0; i < vertexAttrCount; i++) {
		    maxVertexAttrIndices[i] = maxCoordIndex;
		}
	    }
	}
	if(isLive) {
            geomLock.unLock();
	}
	// bbox is computed for the entries list.
	// so, send as false
	if (!inUpdater && isLive) {
	    sendDataChangedMessage(true);
	}

    }

    void setInitialIndexIndex(int initialIndexIndex) {
	if ((initialIndexIndex + validIndexCount) > indexCount) {
	    throw new IllegalArgumentException(J3dI18N.getString("IndexedGeometryArray22"));
	}
        if ((vertexFormat & GeometryArray.BY_REFERENCE_INDICES) != 0) {
            if (indexCoord != null && indexCoord.length < initialIndexIndex + validIndexCount) {
                throw new IllegalArgumentException(J3dI18N.getString("IndexedGeometryArray33"));
            }
        }

	int newCoordMax =0;
	int newColorIndex=0;
	int newNormalIndex=0;
	int[] newTexCoordIndex = null;
        int[] newVertexAttrIndex = null;

	newCoordMax = computeMaxIndex(initialIndexIndex, validIndexCount, indexCoord);
	doErrorCheck(newCoordMax);
	if ((vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) == 0) {
	    if ((vertexFormat & GeometryArray.COLOR) != 0) {
		newColorIndex = computeMaxIndex(initialIndexIndex, validIndexCount, indexColor);
		doColorCheck(newColorIndex);
	    }
	    if ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0) {
		newTexCoordIndex = new int[texCoordSetCount];
		for (int i = 0; i < texCoordSetCount; i++) {
		   newTexCoordIndex[i] =  computeMaxIndex(initialIndexIndex,validIndexCount,
							  indexTexCoord[i]);
		   doTexCoordCheck(newTexCoordIndex[i], i);
		}
	    }
	    if ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) {
		newVertexAttrIndex = new int[vertexAttrCount];
		for (int i = 0; i < vertexAttrCount; i++) {
		   newVertexAttrIndex[i] = computeMaxIndex(initialIndexIndex,
                                                           validIndexCount,
                                                           indexVertexAttr[i]);
		   doVertexAttrCheck(newVertexAttrIndex[i], i);
		}
	    }
	    if ((vertexFormat & GeometryArray.NORMALS) != 0) {
		newNormalIndex = computeMaxIndex(initialIndexIndex, validIndexCount, indexNormal);
		doNormalCheck(newNormalIndex);
	    }
	}

	boolean isLive = source!=null && source.isLive();
        if(isLive){
            geomLock.getLock();
        }
	dirtyFlag |= INDEX_CHANGED;
	this.initialIndexIndex = initialIndexIndex;
	maxCoordIndex = newCoordMax;
	if ((vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) == 0) {
	    maxColorIndex = newColorIndex;
	    if ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0) {
		for (int i = 0; i < texCoordSetCount; i++) {
		    maxTexCoordIndices[i] = newTexCoordIndex[i];
		}
	    }
	    if ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) {
		for (int i = 0; i < vertexAttrCount; i++) {
		    maxVertexAttrIndices[i] = newVertexAttrIndex[i];
		}
	    }
	    maxNormalIndex = newNormalIndex;
	}
	else {
	    maxColorIndex = maxCoordIndex;
	    maxNormalIndex = maxCoordIndex;
	    if ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0) {
		for (int i = 0; i < texCoordSetCount; i++) {
		    maxTexCoordIndices[i] = maxCoordIndex;
		}
	    }
	    if ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) {
		for (int i = 0; i < vertexAttrCount; i++) {
		    maxVertexAttrIndices[i] = maxCoordIndex;
		}
	    }
	}
	if(isLive) {
            geomLock.unLock();
	}
	// bbox is computed for the entries list.
	// so, send as false
	if (!inUpdater && isLive) {
	    sendDataChangedMessage(true);
	}
    }

    int getInitialIndexIndex() {
	return initialIndexIndex;
    }

    int getValidIndexCount() {
	return validIndexCount;
    }

    @Override
    void handleFrequencyChange(int bit) {
	if ((bit == IndexedGeometryArray.ALLOW_COORDINATE_INDEX_WRITE) ||
	    (((vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) == 0) &&
	     ((vertexFormat & GeometryArray.COLOR) != 0) &&
	     bit == IndexedGeometryArray.ALLOW_COLOR_INDEX_WRITE) ||
	    (((vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) == 0) &&
	     ((vertexFormat & GeometryArray.NORMALS) != 0) &&
	     bit == IndexedGeometryArray.ALLOW_NORMAL_INDEX_WRITE) ||
            (((vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) == 0)&&
             ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0)&&
             bit == IndexedGeometryArray.ALLOW_VERTEX_ATTR_INDEX_WRITE) ||
	    (((vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) == 0)&&
	     ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0)&&
	     bit == IndexedGeometryArray.ALLOW_TEXCOORD_INDEX_WRITE)) {

            setFrequencyChangeMask(bit, 0x1);
	}
	else {
	    super.handleFrequencyChange(bit);
	}
    }
}




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