--- a/jdk/src/windows/classes/sun/java2d/d3d/D3DSurfaceData.java	Fri Sep 23 16:50:37 2011 -0700
+++ b/jdk/src/windows/classes/sun/java2d/d3d/D3DSurfaceData.java	Mon Oct 17 15:20:51 2011 +0400
@@ -486,7 +486,7 @@
             int dataType = 0;
             int scanStride = width;
 
-            if (dcm.getPixelSize() == 24 || dcm.getPixelSize() == 32) {
+            if (dcm.getPixelSize() > 16) {
                 dataType = DataBuffer.TYPE_INT;
             } else {
                 // 15, 16

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/java2d/DirectX/DrawBitmaskToSurfaceTest.java	Mon Oct 17 15:20:51 2011 +0400
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. 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.
+ *
+ * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug     6997116
+ * @summary Test verifies that rendering of images with bitmap transparency
+ *          to a D3D surface does not cause an ClassCastException.
+ *
+ * @run main/othervm -Dsun.java2d.d3d=True DrawBitmaskToSurfaceTest
+ */
+
+import java.awt.Graphics;
+import java.awt.Image;
+import java.awt.image.BufferedImage;
+import java.awt.image.IndexColorModel;
+import java.util.concurrent.CountDownLatch;
+import javax.swing.JFrame;
+
+public class DrawBitmaskToSurfaceTest extends JFrame {
+
+    private final Image src;
+    private static java.util.concurrent.CountDownLatch latch = null;
+    private static Throwable theError = null;
+
+    public DrawBitmaskToSurfaceTest() {
+        src = createTestImage();
+    }
+
+    private static Image createTestImage() {
+        byte[] r = new byte[]{(byte)0x00, (byte)0x80, (byte)0xff, (byte)0xff};
+        byte[] g = new byte[]{(byte)0x00, (byte)0x80, (byte)0xff, (byte)0x00};
+        byte[] b = new byte[]{(byte)0x00, (byte)0x80, (byte)0xff, (byte)0x00};
+
+        IndexColorModel icm = new IndexColorModel(2, 4, r, g, b, 3);
+
+        BufferedImage img = new BufferedImage(100, 100,
+                                              BufferedImage.TYPE_BYTE_INDEXED,
+                                              icm);
+        return img;
+    }
+
+    @Override
+    public void paint(final Graphics g) {
+        try {
+            System.err.println("paint frame....");
+            g.drawImage(src, 30, 30, this);
+        } catch (Throwable e) {
+            theError = e;
+        } finally {
+            if (latch != null) {
+                latch.countDown();
+            }
+        }
+    }
+
+    public static void main(final String[] args) throws Exception {
+        final JFrame frame = new DrawBitmaskToSurfaceTest();
+        frame.setBounds(10, 350, 200, 200);
+        frame.setVisible(true);
+
+        Thread.sleep(2000);
+
+        System.err.println("Change frame bounds...");
+        latch = new CountDownLatch(1);
+        frame.setBounds(10, 350, 90, 90);
+        frame.repaint();
+
+        try {
+            if (latch.getCount() > 0) {
+                latch.await();
+            }
+        } catch (InterruptedException e) {
+        }
+
+        frame.dispose();
+
+        if (theError != null) {
+            throw new RuntimeException("Test failed.", theError);
+        }
+
+        System.err.println("Test passed");
+    }
+}