# HG changeset patch
# User serb
# Date 1412775267 -14400
# Node ID 1172062acce46940325af6d9f0653f86bf272994
# Parent  cba0cc16cfbf1393af83118a484c214e3cee6b62
8029253: [macosx] Performance problems with Retina display on Mac OS X
Reviewed-by: bae, prr

diff -r cba0cc16cfbf -r 1172062acce4 src/share/classes/sun/java2d/opengl/OGLBlitLoops.java
--- a/src/share/classes/sun/java2d/opengl/OGLBlitLoops.java	Tue Sep 23 07:13:34 2014 +0400
+++ b/src/share/classes/sun/java2d/opengl/OGLBlitLoops.java	Wed Oct 08 17:34:27 2014 +0400
@@ -47,7 +47,7 @@
 import static sun.java2d.pipe.BufferedOpCodes.*;
 import java.lang.annotation.Native;
 
-class OGLBlitLoops {
+final class OGLBlitLoops {
 
     static void register() {
         Blit blitIntArgbPreToSurface =
@@ -56,7 +56,9 @@
         Blit blitIntArgbPreToTexture =
             new OGLSwToTextureBlit(SurfaceType.IntArgbPre,
                                    OGLSurfaceData.PF_INT_ARGB_PRE);
-
+        TransformBlit transformBlitIntArgbPreToSurface =
+            new OGLSwToSurfaceTransform(SurfaceType.IntArgbPre,
+                                        OGLSurfaceData.PF_INT_ARGB_PRE);
         GraphicsPrimitive[] primitives = {
             // surface->surface ops
             new OGLSurfaceToSurfaceBlit(),
@@ -100,7 +102,7 @@
                                CompositeType.AnyAlpha,
                                blitIntArgbPreToSurface),
 
-            new OGLAnyCompositeBlit(OGLSurfaceData.OpenGLSurface),
+            new OGLAnyCompositeBlit(),
 
             new OGLSwToSurfaceScale(SurfaceType.IntRgb,
                                     OGLSurfaceData.PF_INT_RGB),
@@ -145,8 +147,9 @@
                                         OGLSurfaceData.PF_BYTE_GRAY),
             new OGLSwToSurfaceTransform(SurfaceType.UshortGray,
                                         OGLSurfaceData.PF_USHORT_GRAY),
-            new OGLSwToSurfaceTransform(SurfaceType.IntArgbPre,
-                                        OGLSurfaceData.PF_INT_ARGB_PRE),
+            transformBlitIntArgbPreToSurface,
+
+            new OGLGeneralTransformedBlit(transformBlitIntArgbPreToSurface),
 
             // texture->surface ops
             new OGLTextureToSurfaceBlit(),
@@ -178,9 +181,6 @@
             new OGLGeneralBlit(OGLSurfaceData.OpenGLTexture,
                                CompositeType.SrcNoEa,
                                blitIntArgbPreToTexture),
-
-            new OGLAnyCompositeBlit(OGLSurfaceData.OpenGLTexture),
-
         };
         GraphicsPrimitiveMgr.register(primitives);
     }
@@ -781,11 +781,11 @@
  * This general Blit implementation converts any source surface to an
  * intermediate IntArgbPre surface, and then uses the more specific
  * IntArgbPre->OpenGLSurface/Texture loop to get the intermediate
- * (premultiplied) surface down to OpenGL.
+ * (premultiplied) surface down to OpenGL using simple blit.
  */
 class OGLGeneralBlit extends Blit {
 
-    private Blit performop;
+    private final Blit performop;
     private WeakReference srcTmp;
 
     OGLGeneralBlit(SurfaceType dstType,
@@ -826,12 +826,56 @@
     }
 }
 
+/**
+ * This general TransformedBlit implementation converts any source surface to an
+ * intermediate IntArgbPre surface, and then uses the more specific
+ * IntArgbPre->OpenGLSurface/Texture loop to get the intermediate
+ * (premultiplied) surface down to OpenGL using simple transformBlit.
+ */
+final class OGLGeneralTransformedBlit extends TransformBlit {
+
+    private final TransformBlit performop;
+    private WeakReference<SurfaceData> srcTmp;
+
+    OGLGeneralTransformedBlit(final TransformBlit performop) {
+        super(SurfaceType.Any, CompositeType.AnyAlpha,
+              OGLSurfaceData.OpenGLSurface);
+        this.performop = performop;
+    }
+
+    @Override
+    public synchronized void Transform(SurfaceData src, SurfaceData dst,
+                                       Composite comp, Region clip,
+                                       AffineTransform at, int hint, int srcx,
+                                       int srcy, int dstx, int dsty, int width,
+                                       int height){
+        Blit convertsrc = Blit.getFromCache(src.getSurfaceType(),
+                                            CompositeType.SrcNoEa,
+                                            SurfaceType.IntArgbPre);
+        // use cached intermediate surface, if available
+        final SurfaceData cachedSrc = srcTmp != null ? srcTmp.get() : null;
+        // convert source to IntArgbPre
+        src = convertFrom(convertsrc, src, srcx, srcy, width, height, cachedSrc,
+                          BufferedImage.TYPE_INT_ARGB_PRE);
+
+        // transform IntArgbPre intermediate surface to OpenGL surface
+        performop.Transform(src, dst, comp, clip, at, hint, 0, 0, dstx, dsty,
+                            width, height);
+
+        if (src != cachedSrc) {
+            // cache the intermediate surface
+            srcTmp = new WeakReference<>(src);
+        }
+    }
+}
+
 class OGLAnyCompositeBlit extends Blit {
     private WeakReference<SurfaceData> dstTmp;
 
-    public OGLAnyCompositeBlit(SurfaceType dstType) {
-        super(SurfaceType.Any, CompositeType.Any, dstType);
+    OGLAnyCompositeBlit() {
+        super(SurfaceType.Any, CompositeType.Any, OGLSurfaceData.OpenGLSurface);
     }
+
     public synchronized void Blit(SurfaceData src, SurfaceData dst,
                                   Composite comp, Region clip,
                                   int sx, int sy, int dx, int dy,
@@ -848,15 +892,14 @@
             cachedDst = dstTmp.get();
         }
 
-        // convert source to IntArgbPre
+        // convert destination to IntArgbPre
         SurfaceData dstBuffer = convertFrom(convertdst, dst, dx, dy, w, h,
                           cachedDst, BufferedImage.TYPE_INT_ARGB_PRE);
 
         Blit performop = Blit.getFromCache(src.getSurfaceType(),
                 CompositeType.Any, dstBuffer.getSurfaceType());
 
-        performop.Blit(src, dstBuffer, comp, clip,
-                       sx, sy, 0, 0, w, h);
+        performop.Blit(src, dstBuffer, comp, clip, sx, sy, 0, 0, w, h);
 
         if (dstBuffer != cachedDst) {
             // cache the intermediate surface
diff -r cba0cc16cfbf -r 1172062acce4 test/java/awt/image/DrawImage/IncorrectUnmanagedImageSourceOffset.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/awt/image/DrawImage/IncorrectUnmanagedImageSourceOffset.java	Wed Oct 08 17:34:27 2014 +0400
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2014, 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.
+ */
+
+import java.awt.AlphaComposite;
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.GraphicsConfiguration;
+import java.awt.GraphicsEnvironment;
+import java.awt.Image;
+import java.awt.image.BufferedImage;
+import java.awt.image.DataBuffer;
+import java.awt.image.DataBufferByte;
+import java.awt.image.DataBufferInt;
+import java.awt.image.DataBufferShort;
+import java.awt.image.VolatileImage;
+import java.io.File;
+import java.io.IOException;
+
+import javax.imageio.ImageIO;
+
+import static java.awt.Transparency.*;
+import static java.awt.image.BufferedImage.*;
+
+/**
+ * @test
+ * @bug 8029253
+ * @summary Tests asymmetric source offsets when unmanaged image is drawn to VI.
+ *          Results of the blit to compatibleImage are used for comparison.
+ * @author Sergey Bylokhov
+ */
+public final class IncorrectUnmanagedImageSourceOffset {
+
+    private static final int[] TYPES = {TYPE_INT_RGB, TYPE_INT_ARGB,
+                                        TYPE_INT_ARGB_PRE, TYPE_INT_BGR,
+                                        TYPE_3BYTE_BGR, TYPE_4BYTE_ABGR,
+                                        TYPE_4BYTE_ABGR_PRE,
+                                        /*TYPE_USHORT_565_RGB,
+                                        TYPE_USHORT_555_RGB, TYPE_BYTE_GRAY,
+                                        TYPE_USHORT_GRAY,*/ TYPE_BYTE_BINARY,
+                                        TYPE_BYTE_INDEXED};
+    private static final int[] TRANSPARENCIES = {OPAQUE, BITMASK, TRANSLUCENT};
+
+    public static void main(final String[] args) throws IOException {
+        for (final int viType : TRANSPARENCIES) {
+            for (final int biType : TYPES) {
+                BufferedImage bi = makeUnmanagedBI(biType);
+                fill(bi);
+                test(bi, viType);
+            }
+        }
+    }
+
+    private static void test(BufferedImage bi, int type)
+            throws IOException {
+        GraphicsEnvironment ge = GraphicsEnvironment
+                .getLocalGraphicsEnvironment();
+        GraphicsConfiguration gc = ge.getDefaultScreenDevice()
+                                     .getDefaultConfiguration();
+        VolatileImage vi = gc.createCompatibleVolatileImage(511, 255, type);
+        BufferedImage gold = gc.createCompatibleImage(511, 255, type);
+        // draw to compatible Image
+        Graphics2D big = gold.createGraphics();
+        // force scaled blit
+        big.drawImage(bi, 7, 11, 127, 111, 7, 11, 127 * 2, 111, null);
+        big.dispose();
+        // draw to volatile image
+        BufferedImage snapshot;
+        while (true) {
+            vi.validate(gc);
+            if (vi.validate(gc) != VolatileImage.IMAGE_OK) {
+                try {
+                    Thread.sleep(100);
+                } catch (final InterruptedException ignored) {
+                }
+                continue;
+            }
+            Graphics2D vig = vi.createGraphics();
+            // force scaled blit
+            vig.drawImage(bi, 7, 11, 127, 111, 7, 11, 127 * 2, 111, null);
+            vig.dispose();
+            snapshot = vi.getSnapshot();
+            if (vi.contentsLost()) {
+                try {
+                    Thread.sleep(100);
+                } catch (final InterruptedException ignored) {
+                }
+                continue;
+            }
+            break;
+        }
+        // validate images
+        for (int x = 7; x < 127; ++x) {
+            for (int y = 11; y < 111; ++y) {
+                if (gold.getRGB(x, y) != snapshot.getRGB(x, y)) {
+                    ImageIO.write(gold, "png", new File("gold.png"));
+                    ImageIO.write(snapshot, "png", new File("bi.png"));
+                    throw new RuntimeException("Test failed.");
+                }
+            }
+        }
+    }
+
+    private static BufferedImage makeUnmanagedBI(final int type) {
+        final BufferedImage bi = new BufferedImage(511, 255, type);
+        final DataBuffer db = bi.getRaster().getDataBuffer();
+        if (db instanceof DataBufferInt) {
+            ((DataBufferInt) db).getData();
+        } else if (db instanceof DataBufferShort) {
+            ((DataBufferShort) db).getData();
+        } else if (db instanceof DataBufferByte) {
+            ((DataBufferByte) db).getData();
+        } else {
+            try {
+                bi.setAccelerationPriority(0.0f);
+            } catch (final Throwable ignored) {
+            }
+        }
+        return bi;
+    }
+
+    private static void fill(final Image image) {
+        final Graphics2D graphics = (Graphics2D) image.getGraphics();
+        graphics.setComposite(AlphaComposite.Src);
+        for (int i = 0; i < image.getHeight(null); ++i) {
+            graphics.setColor(new Color(i, 0, 0));
+            graphics.fillRect(0, i, image.getWidth(null), 1);
+        }
+        graphics.dispose();
+    }
+}
diff -r cba0cc16cfbf -r 1172062acce4 test/java/awt/image/DrawImage/UnmanagedDrawImagePerformance.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/awt/image/DrawImage/UnmanagedDrawImagePerformance.java	Wed Oct 08 17:34:27 2014 +0400
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 2014, 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.
+ */
+
+import java.awt.AlphaComposite;
+import java.awt.Graphics2D;
+import java.awt.GraphicsConfiguration;
+import java.awt.GraphicsDevice;
+import java.awt.GraphicsEnvironment;
+import java.awt.Image;
+import java.awt.Polygon;
+import java.awt.geom.AffineTransform;
+import java.awt.image.BufferedImage;
+import java.awt.image.DataBuffer;
+import java.awt.image.DataBufferByte;
+import java.awt.image.DataBufferInt;
+import java.awt.image.DataBufferShort;
+import java.awt.image.VolatileImage;
+
+import static java.awt.Transparency.*;
+import static java.awt.image.BufferedImage.*;
+
+/*
+ * @test
+ * @bug 8029253
+ * @summary Unmanaged images should be drawn fast.
+ * @author Sergey Bylokhov
+ */
+public final class UnmanagedDrawImagePerformance {
+
+    private static final int[] TYPES = {TYPE_INT_RGB, TYPE_INT_ARGB,
+                                        TYPE_INT_ARGB_PRE, TYPE_INT_BGR,
+                                        TYPE_3BYTE_BGR, TYPE_4BYTE_ABGR,
+                                        TYPE_4BYTE_ABGR_PRE,
+                                        TYPE_USHORT_565_RGB,
+                                        TYPE_USHORT_555_RGB, TYPE_BYTE_GRAY,
+                                        TYPE_USHORT_GRAY, TYPE_BYTE_BINARY,
+                                        TYPE_BYTE_INDEXED};
+    private static final int[] TRANSPARENCIES = {OPAQUE, BITMASK, TRANSLUCENT};
+    private static final int SIZE = 1000;
+    private static final AffineTransform[] TRANSFORMS = {
+            AffineTransform.getScaleInstance(.5, .5),
+            AffineTransform.getScaleInstance(1, 1),
+            AffineTransform.getScaleInstance(2, 2),
+            AffineTransform.getShearInstance(7, 11)};
+
+    public static void main(final String[] args) {
+        for (final AffineTransform atfm : TRANSFORMS) {
+            for (final int viType : TRANSPARENCIES) {
+                for (final int biType : TYPES) {
+                    final BufferedImage bi = makeUnmanagedBI(biType);
+                    final VolatileImage vi = makeVI(viType);
+                    final long time = test(bi, vi, atfm) / 1000000000;
+                    if (time > 1) {
+                        throw new RuntimeException(String.format(
+                                "drawImage is slow: %d seconds", time));
+                    }
+                }
+            }
+        }
+    }
+
+    private static long test(Image bi, Image vi, AffineTransform atfm) {
+        final Polygon p = new Polygon();
+        p.addPoint(0, 0);
+        p.addPoint(SIZE, 0);
+        p.addPoint(0, SIZE);
+        p.addPoint(SIZE, SIZE);
+        p.addPoint(0, 0);
+        Graphics2D g2d = (Graphics2D) vi.getGraphics();
+        g2d.clip(p);
+        g2d.transform(atfm);
+        g2d.setComposite(AlphaComposite.SrcOver);
+        final long start = System.nanoTime();
+        g2d.drawImage(bi, 0, 0, null);
+        final long time = System.nanoTime() - start;
+        g2d.dispose();
+        return time;
+    }
+
+    private static VolatileImage makeVI(final int type) {
+        final GraphicsEnvironment ge = GraphicsEnvironment
+                .getLocalGraphicsEnvironment();
+        final GraphicsDevice gd = ge.getDefaultScreenDevice();
+        final GraphicsConfiguration gc = gd.getDefaultConfiguration();
+        return gc.createCompatibleVolatileImage(SIZE, SIZE, type);
+    }
+
+    private static BufferedImage makeUnmanagedBI(final int type) {
+        final BufferedImage img = new BufferedImage(SIZE, SIZE, type);
+        final DataBuffer db = img.getRaster().getDataBuffer();
+        if (db instanceof DataBufferInt) {
+            ((DataBufferInt) db).getData();
+        } else if (db instanceof DataBufferShort) {
+            ((DataBufferShort) db).getData();
+        } else if (db instanceof DataBufferByte) {
+            ((DataBufferByte) db).getData();
+        } else {
+            try {
+                img.setAccelerationPriority(0.0f);
+            } catch (final Throwable ignored) {
+            }
+        }
+        return img;
+    }
+}