--- old/src/java.desktop/windows/native/libawt/java2d/d3d/D3DVertexCacher.cpp	2016-09-05 13:25:57.768289500 +0300
+++ new/src/java.desktop/windows/native/libawt/java2d/d3d/D3DVertexCacher.cpp	2016-09-05 13:25:57.111289500 +0300
@@ -109,12 +109,13 @@
 
 // Horiz/vertical
 #define HV_FF1 ( 0.0f)
-#define HV_FF2 ( 0.51f)
+#define HV_FF2 ( 0.501f)
 // For the record: value below (or larger) is required for Intel 855, but
 // breaks Nvidia, ATI and Intel 965, and since the pipeline is disabled on
 // 855 anyway we'll use 0.51f.
 //#define HV_FF2 ( 0.5315f)
 #define HV_FF3 (-0.2f)
+#define HV_FF4 ( 0.51f)
 // single pixel
 #define SP_FF4 ( 0.3f)
 
@@ -251,10 +252,10 @@
             fx2  = fx1;
             if (y1 > y2) {
                 fy1 = (float)y2+HV_FF3;
-                fy2 = (float)y1+HV_FF2;
+                fy2 = (float)y1+HV_FF4;
             } else {
                 fy1 = (float)y1+HV_FF3;
-                fy2 = (float)y2+HV_FF2;
+                fy2 = (float)y2+HV_FF4;
             }
         } else {
             // diagonal
@@ -447,9 +448,9 @@
         // horiz: bottom left - bottom right
         ADD_LINE_XYC(fx1+1.0f+HV_FF3, fy2+HV_FF1, fx2+HV_FF2, fy2+HV_FF1,color);
         // vert : top right - bottom right
-        ADD_LINE_XYC(fx2+HV_FF1, fy1+HV_FF3, fx2+HV_FF1, fy2-1.0f+HV_FF2,color);
+        ADD_LINE_XYC(fx2+HV_FF1, fy1+HV_FF3, fx2+HV_FF1, fy2-1.0f+HV_FF4,color);
         // vert : top left - bottom left
-        ADD_LINE_XYC(fx1+HV_FF1, fy1+1.0f+HV_FF3, fx1+HV_FF1, fy2+HV_FF2,color);
+        ADD_LINE_XYC(fx1+HV_FF1, fy1+1.0f+HV_FF3, fx1+HV_FF1, fy2+HV_FF4,color);
     }
     return res;
 }
--- /dev/null	2016-09-05 13:26:01.000000000 +0300
+++ new/test/java/awt/Graphics2D/RenderRectTest/RenderRectTest.java	2016-09-05 13:26:00.771289500 +0300
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2015, 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 8146042
+ * @run main RenderRectTest
+ */
+
+import java.awt.*;
+
+import java.awt.geom.AffineTransform;
+import java.awt.image.BufferedImage;
+import java.awt.image.VolatileImage;
+
+
+public class RenderRectTest {
+
+    public static void main(String[] args) throws Exception {
+        GraphicsConfiguration gc =
+                GraphicsEnvironment.getLocalGraphicsEnvironment().
+                        getDefaultScreenDevice().getDefaultConfiguration();
+
+        AffineTransform transform = gc.getDefaultTransform();
+        if(transform.getScaleX() == 1 && transform.getScaleY() == 1) {
+            VolatileImage vi = gc.createCompatibleVolatileImage(12, 12);
+            Graphics2D g = vi.createGraphics();
+            g.setColor(Color.black);
+            g.drawRect(1, 1, 9, 9);
+            g.dispose();
+            BufferedImage capture = vi.getSnapshot();
+
+            int w = capture.getWidth();
+            int h = capture.getHeight();
+            for (int y = 0; y < h >> 1; y++) {
+                for (int x = 0; x < w >> 1; x++) {
+                    if (x > 0 && y > 0 && (x == 1 || y == 1)) {
+                        if ((capture.getRGB(x, y)
+                                | capture.getRGB(x, h - 1 - y)
+                                | capture.getRGB(w - 1 - x, y)
+                                | capture.getRGB(w - 1 - x, h - 1 - y)) !=
+                                Color.black.getRGB()) {
+                            throw new RuntimeException("Wrong rectangle");
+                        }
+                    } else {
+                        if ((capture.getRGB(x, y)
+                                & capture.getRGB(x, h - 1 - y)
+                                & capture.getRGB(w - 1 - x, y)
+                                & capture.getRGB(w - 1 - x, h - 1 - y)) !=
+                                Color.white.getRGB()) {
+                            throw new RuntimeException("Wrong rectangle");
+                        }
+                    }
+                }
+            }
+        } else {
+            VolatileImage vi = gc.createCompatibleVolatileImage(12, 12);
+            Graphics2D g = vi.createGraphics();
+            g.setColor(Color.black);
+            g.drawRect(1, 1, 9, 9);
+            g.dispose();
+
+            BufferedImage i1 = new BufferedImage((int)(12 * transform.getScaleX()),
+                    (int)(12 * transform.getScaleY()), BufferedImage.TYPE_4BYTE_ABGR_PRE);
+            g = i1.createGraphics();
+            g.drawImage(vi, 0, 0, i1.getWidth(), i1.getHeight(), null);
+            g.dispose();
+
+
+            BufferedImage i2 = gc.createCompatibleImage(i1.getWidth(), i1.getHeight());
+            g = i2.createGraphics();
+            g.setBackground(Color.white);
+            g.clearRect(0, 0, i2.getWidth(), i2.getHeight());
+            g.setTransform(transform);
+            g.setColor(Color.black);
+            g.drawRect(1, 1, 9, 9);
+            g.dispose();
+
+            int w = i1.getWidth();
+            int h = i1.getHeight();
+            for (int y = 0; y < h; y++) {
+                for (int x = 0; x < w ; x++) {
+                    if (i1.getRGB(x, y) != i2.getRGB(x, y)) {
+                        throw new RuntimeException("Rectangles are different");
+                    }
+                }
+            }
+        }
+    }
+}