1 files changed, 0 insertions, 470 deletions
diff --git a/src/javax/media/j3d/CompressedGeometryRetained.java b/src/javax/media/j3d/CompressedGeometryRetained.java
deleted file mode 100644
index aba0277..0000000
--- a/src/javax/media/j3d/CompressedGeometryRetained.java
+++ /dev/null
@@ -1,470 +0,0 @@
-/*
- * Copyright 1998-2008 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 javax.vecmath.Point3d;
-
-/**
- * The compressed geometry object is used to store geometry in a
- * compressed format.  Using compressed geometry reduces the amount
- * of memory needed by a Java 3D application and increases the speed
- * objects can be sent over the network.  Once geometry decompression
- * hardware support becomes available, increased rendering performance
- * will also result from the use of compressed geometry.
- */
-class CompressedGeometryRetained extends GeometryRetained {
-
-    // If not in by-reference mode, a 48-byte header as defined by the
-    // GL_SUNX_geometry_compression OpenGL extension is always concatenated to
-    // the beginning of the compressed geometry data and copied along with the
-    // it into a contiguous array.  This allows hardware decompression using
-    // the obsolete experimental GL_SUNX_geometry_compression extension if
-    // that is all that is available.
-    //
-    // This is completely distinct and not to be confused with the cgHeader
-    // field on the non-retained side, although much of the data is
-    // essentially the same.
-    private static final int HEADER_LENGTH = 48 ;
-
-    // These are the header locations examined.
-    private static final int HEADER_MAJOR_VERSION_OFFSET = 0 ;
-    private static final int HEADER_MINOR_VERSION_OFFSET = 1 ;
-    private static final int HEADER_MINOR_MINOR_VERSION_OFFSET = 2 ;
-    private static final int HEADER_BUFFER_TYPE_OFFSET = 3 ;
-    private static final int HEADER_BUFFER_DATA_OFFSET = 4 ;
-
-    // The OpenGL compressed geometry extensions use bits instead of
-    // enumerations to represent the type of compressed geometry.
-    static final byte TYPE_POINT = 1 ;
-    static final byte TYPE_LINE = 2 ;
-    static final byte TYPE_TRIANGLE = 4 ;
-
-    // Version number of this compressed geometry object.
-    int majorVersionNumber ;
-    int minorVersionNumber ;
-    int minorMinorVersionNumber ;
-
-    // These fields are used by the native execute() method.
-    int packedVersion ;
-    int bufferType ;
-    int bufferContents ;
-    int renderFlags ;
-    int offset ;
-    int size ;
-    byte[] compressedGeometry ;
-
-    // True if by-reference data access mode is in effect.
-    private boolean byReference = false ;
-
-    // A reference to the original byte array with which this object was
-    // created.  If hardware decompression is available but it doesn't support
-    // by-reference semantics, then an internal copy of the original byte array
-    // is made even when by-reference semantics have been requested.
-    private byte[] originalCompressedGeometry = null ;
-
-    // True if the platform supports hardware decompression.
-    private static boolean hardwareDecompression = false ;
-
-    // This field retains a reference to the GeometryRetained object used for
-    // geometry-based picking.  It is normally the same reference as the
-    // mirror geometry used for rendering unless hardware decompression is
-    // supported.
-    private GeometryRetained pickGeometry = null ;
-
-    /**
-     * Formerly native method that returns availability of a native by-reference
-     * rendering API for compressed geometry.
-     */
-    private boolean decompressByRef(Context ctx) {
-	return false;
-    }
-
-    /**
-     * Formerly native method that returns availability of hardware
-     * rendering (and acceleration) for compressed geometry of the
-     * given version.
-     */
-    private boolean decompressHW(Context ctx, int majorVersion, int minorVersion) {
-	return false;
-    }
-
-    /**
-     * Formerly native method that does HW compressed geometry rendering
-     */
-    private void execute(Context ctx, int version, int bufferType,
-			 int bufferContents, int renderFlags,
-			 int offset, int size, byte[] geometry) {
-
-	assert false : "This method should never be called!";
-    }
-
-    /**
-     * Method for calling native execute() method on behalf of the J3D renderer.
-     */
-    @Override
-    void execute(Canvas3D cv, RenderAtom ra, boolean isNonUniformScale,
-		 boolean updateAlpha, float alpha,
-                 int screen, boolean ignoreVertexColors) {
-
-	// XXXX: alpha udpate
-	execute(cv.ctx, packedVersion, bufferType, bufferContents,
-		renderFlags, offset, size, compressedGeometry) ;
-    }
-
-    /**
-     * The package-scoped constructor.
-     */
-    CompressedGeometryRetained() {
-	this.geoType = GEO_TYPE_COMPRESSED ;
-
-	// Compressed geometry is always bounded by [-1..1] on each axis, so
-	// set that as the initial bounding box.
-	geoBounds.setUpper( 1.0, 1.0, 1.0) ;
-	geoBounds.setLower(-1.0,-1.0,-1.0) ;
-    }
-
-    /**
-     * Compressed geometry is immutable so this method does nothing.
-     */
-    @Override
-    void computeBoundingBox() {
-    }
-
-    /**
-     * Update this object.  Compressed geometry is immutable so there's
-     * nothing to do.
-     */
-    @Override
-    void update() {
-	isDirty = 0 ;
-    }
-
-    /**
-     * Return true if the data access mode is by-reference.
-     */
-    boolean isByReference() {
-	return this.byReference ;
-    }
-
-    private void createByCopy(byte[] geometry) {
-	// Always copy a header along with the compressed geometry into a
-	// contiguous array in order to support hardware acceleration with the
-	// GL_SUNX_geometry_compression extension.  The header is unnecessary
-	// if only the newer GL_SUN_geometry_compression API needs support.
-	compressedGeometry = new byte[HEADER_LENGTH + this.size] ;
-
-	compressedGeometry[HEADER_MAJOR_VERSION_OFFSET] =
-	    (byte)this.majorVersionNumber ;
-
-	compressedGeometry[HEADER_MINOR_VERSION_OFFSET] =
-	    (byte)this.minorVersionNumber ;
-
-	compressedGeometry[HEADER_MINOR_MINOR_VERSION_OFFSET] =
-	    (byte)this.minorMinorVersionNumber ;
-
-	compressedGeometry[HEADER_BUFFER_TYPE_OFFSET] =
-	    (byte)this.bufferType ;
-
-	compressedGeometry[HEADER_BUFFER_DATA_OFFSET] =
-	    (byte)this.bufferContents ;
-
-	System.arraycopy(geometry, this.offset,
-			 compressedGeometry, HEADER_LENGTH, this.size) ;
-
-	this.offset = HEADER_LENGTH ;
-    }
-
-    /**
-     * Creates the retained compressed geometry data.  Data from the header is
-     * always copied; the compressed geometry is copied as well if the data
-     * access mode is not by-reference.
-     *
-     * @param hdr the compressed geometry header
-     * @param geometry the compressed geometry
-     * @param byReference if true then by-reference semantics requested
-     */
-    void createCompressedGeometry(CompressedGeometryHeader hdr,
-				  byte[] geometry, boolean byReference) {
-
-	this.byReference = byReference ;
-
-	if (hdr.lowerBound != null)
-	    this.geoBounds.setLower(hdr.lowerBound) ;
-
-	if (hdr.upperBound != null)
-	    this.geoBounds.setUpper(hdr.upperBound) ;
-
-	geoBounds.getCenter(this.centroid);
-	recompCentroid = false;
-	this.majorVersionNumber = hdr.majorVersionNumber ;
-	this.minorVersionNumber = hdr.minorVersionNumber ;
-	this.minorMinorVersionNumber = hdr.minorMinorVersionNumber ;
-
-	this.packedVersion =
-	    (hdr.majorVersionNumber << 24) |
-	    (hdr.minorVersionNumber << 16) |
-	    (hdr.minorMinorVersionNumber << 8) ;
-
-	switch(hdr.bufferType) {
-	case CompressedGeometryHeader.POINT_BUFFER:
-	    this.bufferType = TYPE_POINT ;
-	    break ;
-	case CompressedGeometryHeader.LINE_BUFFER:
-	    this.bufferType = TYPE_LINE ;
-	    break ;
-	case CompressedGeometryHeader.TRIANGLE_BUFFER:
-	    this.bufferType = TYPE_TRIANGLE ;
-	    break ;
-	}
-
-	this.bufferContents = hdr.bufferDataPresent ;
-	this.renderFlags = 0 ;
-
-	this.size = hdr.size ;
-	this.offset = hdr.start ;
-
-	if (byReference) {
-	    // Assume we can use the given reference, but maintain a second
-	    // reference in case a copy is later needed.
-	    this.compressedGeometry = geometry ;
-	    this.originalCompressedGeometry = geometry ;
-	} else {
-	    // Copy the original data into a format that can be used by both
-	    // the software and native hardware decompressors.
-	    createByCopy(geometry) ;
-	    this.originalCompressedGeometry = null ;
-	}
-    }
-
-    /**
-     * Decompress this object into a GeometryArrayRetained if hardware
-     * decompression is not available.  Once decompressed the resulting
-     * geometry replaces the geometry reference in the associated RenderAtom
-     * as well as the mirror geometry reference in this object.
-     */
-    GeometryRetained getGeometry(boolean forceDecompression, Canvas3D cv ) {
-
-	if (forceDecompression) {
-	    // forceDecompression is set to true if lighting is disabled and
-	    // ignoreVertexColors is true, since there is no way for openGL to
-	    // ignore vertexColors in this case.
-	    GeometryDecompressorRetained gdr =
-		new GeometryDecompressorRetained() ;
-
-	    mirrorGeometry = gdr.decompress(this) ;
-	    gdr.getBoundingBox(geoBounds) ;
-	    pickGeometry = mirrorGeometry ;
-	}
-	else {
-	    // Return this object if hardware decompression is available.
-	    if (hardwareDecompression)
-		return this;
-
-	    // Check to see if hardware decompression is available.
-	    if (decompressHW(cv.ctx, majorVersionNumber, minorVersionNumber)) {
-		hardwareDecompression = true ;
-
-		// If hardware can't handle by-reference, punt to by-copy.
-		if (isByReference() && !decompressByRef(cv.ctx)) {
-		    createByCopy(compressedGeometry) ;
-		}
-
-		return this;
-	    }
-
-	    // Decompress the data into a GeometryArrayRetained representation
-	    // for the mirror geometry reference.
-	    GeometryDecompressorRetained gdr =
-		new GeometryDecompressorRetained() ;
-
-	    mirrorGeometry = gdr.decompress(this) ;
-	    gdr.getBoundingBox(geoBounds) ;
-
-	    // The mirror geometry contains a superset of the pick geometry
-	    // data. Since hardware decompression isn't available, there's no
-	    // need to retain separate pick geometry.
-	    pickGeometry = mirrorGeometry ;
-	}
-
-	return mirrorGeometry ;
-    }
-
-    /**
-     * This method always decompresses the geometry and retains the result in
-     * order to support geometry-based picking and collision detection.  The
-     * returned GeometryRetained object will contain only positions and
-     * connections.
-     */
-    GeometryRetained getPickGeometry() {
-	// Return the pick geometry if available.
-	if (pickGeometry != null)
-	    return pickGeometry ;
-
-	// Decompress the data into a GeometryArrayRetained representation for
-	// the pick geometry reference.  Retain it and its bounding box.
-	GeometryDecompressorRetained gdr = new GeometryDecompressorRetained() ;
-	gdr.setDecompressPositionsOnly(true) ;
-
-	pickGeometry = gdr.decompress(this) ;
-	gdr.getBoundingBox(geoBounds) ;
-	return pickGeometry ;
-    }
-
-    //
-    // The following intersect() methods are used to implement geometry-based
-    // picking and collision.
-    //
-    @Override
-    boolean intersect(PickShape pickShape, PickInfo pickInfo, int flags, Point3d iPnt,
-                      GeometryRetained geom, int geomIndex) {
-	GeometryRetained geomR = getPickGeometry() ;
-	return (geomR != null ?
-		geomR.intersect(pickShape, pickInfo, flags, iPnt, geom, geomIndex) : false);
-    }
-
-    @Override
-    boolean intersect(Bounds targetBound) {
-	GeometryRetained geom = getPickGeometry() ;
-	return (geom != null ? geom.intersect(targetBound) : false);
-    }
-
-    @Override
-    boolean intersect(Transform3D thisToOtherVworld,  GeometryRetained g) {
-	GeometryRetained geom = getPickGeometry() ;
-	return (geom != null ?
-		geom.intersect(thisToOtherVworld, g) : false);
-    }
-
-    @Override
-    boolean intersect(Point3d[] pnts) {
-	GeometryRetained geom = getPickGeometry() ;
-	return (geom != null ? geom.intersect(pnts) : false);
-    }
-
-    /**
-     * Return a vertex format mask that's compatible with GeometryArray
-     * objects.
-     */
-    @Override
-    int getVertexFormat() {
-	int vertexFormat = GeometryArray.COORDINATES ;
-
-	if ((this.bufferContents &
-	     CompressedGeometryHeader.NORMAL_IN_BUFFER) != 0)
-	    vertexFormat |= GeometryArray.NORMALS ;
-
-	if ((this.bufferContents &
-	     CompressedGeometryHeader.COLOR_IN_BUFFER) != 0)
-	    vertexFormat |= GeometryArray.COLOR ;
-
-	if ((this.bufferContents &
-	     CompressedGeometryHeader.ALPHA_IN_BUFFER) != 0)
-	    vertexFormat |= GeometryArray.WITH_ALPHA ;
-
-	return vertexFormat ;
-    }
-
-    /**
-     * Return a buffer type that's compatible with CompressedGeometryHeader.
-     */
-    int getBufferType() {
-	switch(this.bufferType) {
-	case TYPE_POINT:
-	    return CompressedGeometryHeader.POINT_BUFFER ;
-	case TYPE_LINE:
-	    return CompressedGeometryHeader.LINE_BUFFER ;
-	default:
-	case TYPE_TRIANGLE:
-	    return CompressedGeometryHeader.TRIANGLE_BUFFER ;
-	}
-    }
-
-    /**
-     * Copies compressed geometry data into the given array of bytes.
-     * The internal header information is not copied.
-     *
-     * @param buff array of bytes into which to copy compressed geometry
-     */
-    void copy(byte[] buff) {
-	System.arraycopy(compressedGeometry, offset, buff, 0, size) ;
-    }
-
-    /**
-     * Returns a reference to the original compressed geometry byte array,
-     * which may have been copied even if by-reference semantics have been
-     * requested.  It will be null if byCopy is in effect.
-     *
-     * @return reference to array of bytes containing the compressed geometry.
-     */
-    byte[] getReference() {
-	return originalCompressedGeometry ;
-    }
-
-    /**
-     * Copies all retained data for cloneNodeComponent() on the non-retained
-     * side.  This is unlike GeometryArray subclasses which just call the
-     * public API constructors and then duplicateNodeComponent() to invoke the
-     * GeometryArray implementation of duplicateAttributes(), since the
-     * CompressedGeometry class directly subclasses Geometry and calling the
-     * public constructors would cause a lot of redundant data copying.
-     */
-    void duplicate(CompressedGeometryRetained cgr) {
-	cgr.majorVersionNumber = this.majorVersionNumber ;
-	cgr.minorVersionNumber = this.minorVersionNumber ;
-	cgr.minorMinorVersionNumber = this.minorMinorVersionNumber ;
-
-	cgr.packedVersion = this.packedVersion ;
-	cgr.bufferType = this.bufferType ;
-	cgr.bufferContents = this.bufferContents ;
-	cgr.renderFlags = this.renderFlags ;
-
-	cgr.offset = this.offset ;
-	cgr.size= this.size ;
-
-	cgr.geoBounds.setLower(this.geoBounds.lower) ;
-	cgr.geoBounds.setUpper(this.geoBounds.upper) ;
-	cgr.pickGeometry = this.pickGeometry ;
-	cgr.byReference = this.byReference ;
-
-	if (this.byReference) {
-	    // Copy references only.
-	    cgr.compressedGeometry = this.compressedGeometry ;
-	    cgr.originalCompressedGeometry = this.originalCompressedGeometry ;
-	} else {
-	    // Copy entire byte array including 48-byte native OpenGL header.
-	    cgr.compressedGeometry = new byte[this.compressedGeometry.length] ;
-	    System.arraycopy(this.compressedGeometry, 0,
-			     cgr.compressedGeometry, 0,
-			     this.compressedGeometry.length) ;
-	    cgr.originalCompressedGeometry = null ;
-	}
-    }
-
-    @Override
-    int getClassType() {
-	return COMPRESS_TYPE;
-    }
-}