8358058: sun/java2d/OpenGL/DrawImageBg.java Test fails intermittently

Reviewed-by: azvegint, serb, psadhukhan

Author: prrace

test/jdk/ProblemList.txt

@@ -248,6 +248,7 @@ sun/awt/datatransfer/SuplementaryCharactersTransferTest.java 8011371 generic-all
 sun/awt/shell/ShellFolderMemoryLeak.java 8197794 windows-all
 sun/java2d/DirectX/OverriddenInsetsTest/OverriddenInsetsTest.java 8196102 generic-all
 sun/java2d/DirectX/RenderingToCachedGraphicsTest/RenderingToCachedGraphicsTest.java 8196180 windows-all,macosx-all
+sun/java2d/OpenGL/OpaqueDest.java#id1 8367574 macosx-all
 sun/java2d/SunGraphics2D/EmptyClipRenderingTest.java 8144029 macosx-all,linux-all
 sun/java2d/SunGraphics2D/DrawImageBilinear.java 8297175 linux-all
 sun/java2d/SunGraphics2D/PolyVertTest.java 6986565 generic-all

test/jdk/sun/java2d/OpenGL/DrawBitmaskImage.java

@@ -0,0 +1,173 @@
+/*
+ * Copyright (c) 2004, 2025, 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 6248561 6264014
+ * @key headful
+ * @requires (os.family != "mac")
+ * @summary Verifies that bitmask image copies work properly with the
+ * OGL pipeline when a SrcOver composite with extra alpha is involved.
+ * @run main/othervm -Dsun.java2d.opengl=True DrawBitmaskImage
+ * @run main/othervm DrawBitmaskImage
+ */
+
+/*
+ * @test
+ * @bug 6248561 6264014
+ * @key headful
+ * @requires (os.family == "mac")
+ * @summary Verifies that bitmask image copies work properly with the
+ * OGL pipeline when a SrcOver composite with extra alpha is involved.
+ * @run main/othervm -Dsun.java2d.opengl=True DrawBitmaskImage
+ * @run main/othervm DrawBitmaskImage
+ */
+
+import java.awt.AlphaComposite;
+import java.awt.Canvas;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.EventQueue;
+import java.awt.Frame;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.GraphicsConfiguration;
+import java.awt.Panel;
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.Transparency;
+import java.awt.Robot;
+import java.awt.image.BufferedImage;
+import java.awt.image.IndexColorModel;
+import java.io.File;
+import javax.imageio.ImageIO;
+
+public class DrawBitmaskImage extends Panel {
+
+    static final int TESTW = 200, TESTH = 200;
+    private static volatile DrawBitmaskImage test;
+    private static volatile Frame frame;
+
+    public void paint(Graphics g) {
+
+        Graphics2D g2d = (Graphics2D)g;
+        g2d.setColor(Color.black);
+        g2d.fillRect(0, 0, getWidth(), getHeight());
+        g2d.setComposite(AlphaComposite.SrcOver.derive(0.50f));
+
+        BufferedImage img = getGraphicsConfiguration().createCompatibleImage(50, 50,
+                                                        Transparency.BITMASK);
+        Graphics2D gimg = img.createGraphics();
+        gimg.setComposite(AlphaComposite.Src);
+        gimg.setColor(new Color(0, 0, 0, 0));
+        gimg.fillRect(0, 0, 50, 50);
+        gimg.setColor(Color.red);
+        gimg.fillRect(10, 10, 30, 30);
+        gimg.dispose();
+
+
+        g2d.drawImage(img, 10, 10, null);
+
+        // draw a second time to ensure that the cached copy is used
+        g2d.drawImage(img, 80, 10, null);
+    }
+
+    public Dimension getPreferredSize() {
+         return new Dimension(TESTW, TESTH);
+    }
+
+    static void createUI() {
+        test = new DrawBitmaskImage();
+        frame = new Frame("OpenGL DrawBitmaskImage Test");
+        Panel p = new Panel();
+        p.add(test);
+        frame.add(p);
+        frame.setSize(TESTW+100, TESTH+100);
+        frame.setLocationRelativeTo(null);
+        frame.setVisible(true);
+    }
+
+    public static void main(String[] args) throws Exception {
+        Robot robot = new Robot();
+
+        EventQueue.invokeAndWait(DrawBitmaskImage::createUI);
+
+        robot.waitForIdle();
+        robot.delay(2000);
+
+        BufferedImage capture = null;
+        try {
+            GraphicsConfiguration gc = frame.getGraphicsConfiguration();
+            if (gc.getColorModel() instanceof IndexColorModel) {
+                System.out.println("IndexColorModel detected: " +
+                                   "test considered PASSED");
+                return;
+            }
+            Point pt1 = test.getLocationOnScreen();
+            Rectangle rect = new Rectangle(pt1.x, pt1.y, TESTW, TESTH);
+            capture = robot.createScreenCapture(rect);
+        } finally {
+            if (frame != null) {
+                 EventQueue.invokeAndWait(frame::dispose);
+            }
+        }
+
+        // Test background color
+        int pixel = capture.getRGB(5, 10);
+        if (pixel != 0xff000000) {
+            saveImage(capture);
+            throw new RuntimeException("Failed: Incorrect color for " +
+                                       "background (actual=" +
+                                       Integer.toHexString(pixel) + ")");
+        }
+
+        // Test pixels (allow for small error in the actual red value)
+        pixel = capture.getRGB(25, 25);
+        System.out.println("pixel1 is " + Integer.toHexString(pixel));
+
+        if ((pixel < 0xff7e0000) || (pixel > 0xff900000)) {
+            saveImage(capture);
+            throw new RuntimeException("Failed: Incorrect color for " +
+                                       "first pixel (actual=" +
+                                       Integer.toHexString(pixel) + ")");
+        }
+
+        pixel = capture.getRGB(95, 25);
+        System.out.println("pixel2 is " + Integer.toHexString(pixel));
+        if ((pixel < 0xff7e0000) || (pixel > 0xff900000)) {
+            saveImage(capture);
+            throw new RuntimeException("Failed: Incorrect color for " +
+                                       "second pixel (actual=" +
+                                       Integer.toHexString(pixel) + ")");
+        }
+    }
+
+    static void saveImage(BufferedImage img) {
+        try {
+            File file = new File("capture.png");
+            ImageIO.write(img, "png", file);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}