Gets Harvey's changes

1 files changed, 112 insertions, 0 deletions

diff --git a/src/javax/media/j3d/CompressedGeometryRenderMethod.java b/src/javax/media/j3d/CompressedGeometryRenderMethod.java
new file mode 100644
index 0000000..6633b57
--- /dev/null
+++ b/src/javax/media/j3d/CompressedGeometryRenderMethod.java
@@ -0,0 +1,112 @@
+/*
+ * 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 ;
+
+/**
+ * The RenderMethod interface is used to create various ways to render
+ * different geometries.
+ */
+
+class CompressedGeometryRenderMethod implements RenderMethod {
+
+    /**
+     * The actual rendering code for this RenderMethod.
+     */
+    @Override
+    public boolean render(RenderMolecule rm, Canvas3D cv,
+			  RenderAtomListInfo ra, int dirtyBits) {
+	if (rm.doInfinite) {
+	    cv.updateState(dirtyBits);
+	    while (ra != null) {
+		renderCompressedGeo(ra, rm, cv);
+		ra = ra.next;
+	    }
+	    return true;
+	}
+
+	boolean isVisible = false; // True if any of the RAs is visible.
+
+	while (ra != null) {
+	    if (cv.ra == ra.renderAtom) {
+		if (cv.raIsVisible) {
+		    cv.updateState(dirtyBits);
+		    renderCompressedGeo(ra, rm, cv);
+		    isVisible = true;
+		}
+	    }
+	    else {
+		if (!VirtualUniverse.mc.viewFrustumCulling ||
+		    ra.renderAtom.localeVwcBounds.intersect(cv.viewFrustum)) {
+		    cv.updateState(dirtyBits);
+		    cv.raIsVisible = true;
+		    renderCompressedGeo(ra, rm, cv);
+		    isVisible = true;
+		}
+		else {
+		    cv.raIsVisible = false;
+		}
+		cv.ra = ra.renderAtom;
+	    }
+
+	    ra = ra.next;
+	}
+
+	return isVisible;
+
+    }
+
+    void renderCompressedGeo(RenderAtomListInfo ra, RenderMolecule rm, Canvas3D cv) {
+
+        boolean useAlpha ;
+	CompressedGeometryRetained cgr ;
+	useAlpha = rm.useAlpha ;
+
+	cgr = (CompressedGeometryRetained)ra.renderAtom.geometryAtom.geometryArray[ra.index];
+
+	/* force_decompression  if lighting is disabled and
+	 * ignoreVertexColors is TRUE, since there is no way for openGL
+	 * to ignore vertexColors in this case, force decompression
+	 */
+	if (rm.textureBin.attributeBin.ignoreVertexColors && rm.enableLighting == false && cgr.mirrorGeometry == null) {
+	    cgr.mirrorGeometry = cgr.getGeometry(true, cv) ;
+	}
+	else if (cgr.mirrorGeometry == null) {
+	    // cgr.getGeometry() will decompress in software and return a
+	    // GeometryRetained if hardware decompression isn't available,
+	    // otherwise it just returns cgr.
+	    cgr.mirrorGeometry = cgr.getGeometry(false, cv) ;
+	    if (cgr.mirrorGeometry == null)
+		// decompressor error
+		return ;
+	}
+
+	cgr.mirrorGeometry.execute(cv, ra.renderAtom, rm.isNonUniformScale,
+	     (useAlpha && ra.geometry().noAlpha), rm.alpha,
+	     cv.screen.screen,
+	     rm.textureBin.attributeBin.ignoreVertexColors);
+    }
+}