1 /*
   2  * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.java2d.marlin;
  27 
  28 import java.security.AccessController;
  29 import static sun.java2d.marlin.MarlinUtils.logInfo;
  30 import sun.security.action.GetPropertyAction;
  31 
  32 public final class MarlinProperties {
  33 
  34     private MarlinProperties() {
  35         // no-op
  36     }
  37 
  38     // marlin system properties
  39 
  40     public static boolean isUseThreadLocal() {
  41         return getBoolean("sun.java2d.renderer.useThreadLocal", "true");
  42     }
  43 
  44     /**
  45      * Return the initial edge capacity used to define initial arrays
  46      * (edges, polystack, crossings)
  47      *
  48      * @return 256 < initial edges < 65536 (4096 by default)
  49      */
  50     public static int getInitialEdges() {
  51         return align(
  52             getInteger("sun.java2d.renderer.edges", 4096, 64, 64 * 1024),
  53             64);
  54     }
  55 
  56     /**
  57      * Return the initial pixel size used to define initial arrays
  58      * (tile AA chunk, alpha line, buckets)
  59      *
  60      * @return 64 < initial pixel size < 32768 (2048 by default)
  61      */
  62     public static int getInitialImageSize() {
  63         return align(
  64             getInteger("sun.java2d.renderer.pixelsize", 2048, 64, 32 * 1024),
  65             64);
  66     }
  67 
  68     /**
  69      * Return the log(2) corresponding to subpixel on x-axis (
  70      *
  71      * @return 1 (2 subpixels) < initial pixel size < 4 (256 subpixels)
  72      * (3 by default ie 8 subpixels)
  73      */
  74     public static int getSubPixel_Log2_X() {
  75         return getInteger("sun.java2d.renderer.subPixel_log2_X", 3, 1, 8);
  76     }
  77 
  78     /**
  79      * Return the log(2) corresponding to subpixel on y-axis (
  80      *
  81      * @return 1 (2 subpixels) < initial pixel size < 8 (256 subpixels)
  82      * (3 by default ie 8 subpixels)
  83      */
  84     public static int getSubPixel_Log2_Y() {
  85         return getInteger("sun.java2d.renderer.subPixel_log2_Y", 3, 1, 8);
  86     }
  87 
  88     /**
  89      * Return the log(2) corresponding to the square tile size in pixels
  90      *
  91      * @return 3 (8x8 pixels) < tile size < 8 (256x256 pixels)
  92      * (5 by default ie 32x32 pixels)
  93      */
  94     public static int getTileSize_Log2() {
  95         return getInteger("sun.java2d.renderer.tileSize_log2", 5, 3, 8);




  96     }
  97 
  98     /**
  99      * Return the log(2) corresponding to the block size in pixels
 100      *
 101      * @return 3 (8 pixels) < block size < 8 (256 pixels)
 102      * (5 by default ie 32 pixels)
 103      */
 104     public static int getBlockSize_Log2() {
 105         return getInteger("sun.java2d.renderer.blockSize_log2", 5, 3, 8);
 106     }
 107 
 108     // RLE / blockFlags settings
 109 
 110     public static boolean isForceRLE() {
 111         return getBoolean("sun.java2d.renderer.forceRLE", "false");
 112     }
 113 
 114     public static boolean isForceNoRLE() {
 115         return getBoolean("sun.java2d.renderer.forceNoRLE", "false");
 116     }
 117 
 118     public static boolean isUseTileFlags() {
 119         return getBoolean("sun.java2d.renderer.useTileFlags", "true");
 120     }
 121 
 122     public static boolean isUseTileFlagsWithHeuristics() {
 123         return isUseTileFlags()
 124         && getBoolean("sun.java2d.renderer.useTileFlags.useHeuristics", "true");
 125     }
 126 
 127     public static int getRLEMinWidth() {
 128         return getInteger("sun.java2d.renderer.rleMinWidth", 64, 0, Integer.MAX_VALUE);
 129     }
 130 
 131     // optimisation parameters
 132 
 133     public static boolean isUseSimplifier() {
 134         return getBoolean("sun.java2d.renderer.useSimplifier", "false");
 135     }
 136 
 137     // debugging parameters
 138 
 139     public static boolean isDoStats() {
 140         return getBoolean("sun.java2d.renderer.doStats", "false");
 141     }
 142 
 143     public static boolean isDoMonitors() {
 144         return getBoolean("sun.java2d.renderer.doMonitors", "false");
 145     }
 146 
 147     public static boolean isDoChecks() {
 148         return getBoolean("sun.java2d.renderer.doChecks", "false");
 149     }
 150 
 151     // logging parameters
 152 
 153     public static boolean isLoggingEnabled() {
 154         return getBoolean("sun.java2d.renderer.log", "false");
 155     }
 156 
 157     public static boolean isUseLogger() {
 158         return getBoolean("sun.java2d.renderer.useLogger", "false");
 159     }
 160 
 161     public static boolean isLogCreateContext() {
 162         return getBoolean("sun.java2d.renderer.logCreateContext", "false");
 163     }
 164 
 165     public static boolean isLogUnsafeMalloc() {
 166         return getBoolean("sun.java2d.renderer.logUnsafeMalloc", "false");
 167     }
 168 
 169     // system property utilities
 170     static boolean getBoolean(final String key, final String def) {
 171         return Boolean.valueOf(AccessController.doPrivileged(
 172                   new GetPropertyAction(key, def)));



 173     }
 174 
 175     static int getInteger(final String key, final int def,
 176                                  final int min, final int max)
 177     {
 178         final String property = AccessController.doPrivileged(
 179                                     new GetPropertyAction(key));
 180 
 181         int value = def;
 182         if (property != null) {
 183             try {
 184                 value = Integer.decode(property);
 185             } catch (NumberFormatException e) {
 186                 logInfo("Invalid integer value for " + key + " = " + property);
 187             }
 188         }
 189 
 190         // check for invalid values
 191         if ((value < min) || (value > max)) {
 192             logInfo("Invalid value for " + key + " = " + value
 193                     + "; expected value in range[" + min + ", " + max + "] !");
 194             value = def;
 195         }
 196         return value;
 197     }
 198 
 199     static int align(final int val, final int norm) {

   1 /*
   2  * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.marlin;
  27 
  28 import java.security.AccessController;
  29 import static com.sun.marlin.MarlinUtils.logInfo;
  30 import java.security.PrivilegedAction;
  31 
  32 public final class MarlinProperties {
  33 
  34     private MarlinProperties() {
  35         // no-op
  36     }
  37 
  38     // marlin system properties
  39 
  40     public static boolean isUseThreadLocal() {
  41         return getBoolean("prism.marlin.useThreadLocal", "true");
  42     }
  43 
  44     /**
  45      * Return the initial edge capacity used to define initial arrays
  46      * (edges, polystack, crossings)
  47      *
  48      * @return 256 < initial edges < 65536 (4096 by default)
  49      */
  50     public static int getInitialEdges() {
  51         return align(
  52             getInteger("prism.marlin.edges", 4096, 64, 64 * 1024),
  53             64);
  54     }
  55 
  56     /**
  57      * Return the initial pixel size used to define initial arrays
  58      * (tile AA chunk, alpha line, buckets)
  59      *
  60      * @return 64 < initial pixel size < 32768 (2048 by default)
  61      */
  62     public static int getInitialImageSize() {
  63         return align(
  64             getInteger("prism.marlin.pixelsize", 2048, 64, 32 * 1024),
  65             64);
  66     }
  67 
  68     /**
  69      * Return the log(2) corresponding to subpixel on x-axis (
  70      *
  71      * @return 0 (1 subpixels) < initial pixel size < 4 (256 subpixels)
  72      * (3 by default ie 8 subpixels)
  73      */
  74     public static int getSubPixel_Log2_X() {
  75         return getInteger("prism.marlin.subPixel_log2_X", 3, 0, 8);
  76     }
  77 
  78     /**
  79      * Return the log(2) corresponding to subpixel on y-axis (
  80      *
  81      * @return 0 (1 subpixels) < initial pixel size < 8 (256 subpixels)
  82      * (3 by default ie 8 subpixels)
  83      */
  84     public static int getSubPixel_Log2_Y() {
  85         return getInteger("prism.marlin.subPixel_log2_Y", 3, 0, 8);
  86     }
  87 
  88     /**
  89      * Return the log(2) corresponding to the square tile size in pixels
  90      *
  91      * @return 3 (8x8 pixels) < tile size < 8 (256x256 pixels)
  92      * (5 by default ie 32x32 pixels)
  93      */
  94     public static int getTileSize_Log2() {
  95         return getInteger("prism.marlin.tileSize_log2", 5, 3, 8);
  96     }
  97 
  98     public static int getTileWidth_Log2() {
  99         return getInteger("prism.marlin.tileWidth_log2", 5, 3, 10);
 100     }
 101 
 102     /**
 103      * Return the log(2) corresponding to the block size in pixels
 104      *
 105      * @return 3 (8 pixels) < block size < 8 (256 pixels)
 106      * (5 by default ie 32 pixels)
 107      */
 108     public static int getBlockSize_Log2() {
 109         return getInteger("prism.marlin.blockSize_log2", 5, 3, 8);
 110     }
 111 
 112     // RLE / blockFlags settings
 113 
 114     public static boolean isForceRLE() {
 115         return getBoolean("prism.marlin.forceRLE", "false");
 116     }
 117 
 118     public static boolean isForceNoRLE() {
 119         return getBoolean("prism.marlin.forceNoRLE", "false");
 120     }
 121 
 122     public static boolean isUseTileFlags() {
 123         return getBoolean("prism.marlin.useTileFlags", "true");
 124     }
 125 
 126     public static boolean isUseTileFlagsWithHeuristics() {
 127         return isUseTileFlags()
 128         && getBoolean("prism.marlin.useTileFlags.useHeuristics", "true");
 129     }
 130 
 131     public static int getRLEMinWidth() {
 132         return getInteger("prism.marlin.rleMinWidth", 64, 0, Integer.MAX_VALUE);
 133     }
 134 
 135     // optimisation parameters
 136 
 137     public static boolean isUseSimplifier() {
 138         return getBoolean("prism.marlin.useSimplifier", "false");
 139     }
 140 
 141     // debugging parameters
 142 
 143     public static boolean isDoStats() {
 144         return getBoolean("prism.marlin.doStats", "false");
 145     }
 146 
 147     public static boolean isDoMonitors() {
 148         return getBoolean("prism.marlin.doMonitors", "false");
 149     }
 150 
 151     public static boolean isDoChecks() {
 152         return getBoolean("prism.marlin.doChecks", "false");
 153     }
 154 
 155     // logging parameters
 156 
 157     public static boolean isLoggingEnabled() {
 158         return getBoolean("prism.marlin.log", "false");
 159     }
 160 
 161     public static boolean isUseLogger() {
 162         return getBoolean("prism.marlin.useLogger", "false");
 163     }
 164 
 165     public static boolean isLogCreateContext() {
 166         return getBoolean("prism.marlin.logCreateContext", "false");
 167     }
 168 
 169     public static boolean isLogUnsafeMalloc() {
 170         return getBoolean("prism.marlin.logUnsafeMalloc", "false");
 171     }
 172 
 173     // system property utilities
 174     static boolean getBoolean(final String key, final String def) {
 175         return Boolean.valueOf(AccessController.doPrivileged(
 176             (PrivilegedAction<String>) () -> {
 177                 String value = System.getProperty(key);
 178                 return (value == null) ? def : value;
 179             }));
 180     }
 181 
 182     static int getInteger(final String key, final int def,
 183                                  final int min, final int max)
 184     {
 185         final String property = AccessController.doPrivileged(
 186                     (PrivilegedAction<String>) () -> System.getProperty(key));
 187 
 188         int value = def;
 189         if (property != null) {
 190             try {
 191                 value = Integer.decode(property);
 192             } catch (NumberFormatException e) {
 193                 logInfo("Invalid integer value for " + key + " = " + property);
 194             }
 195         }
 196 
 197         // check for invalid values
 198         if ((value < min) || (value > max)) {
 199             logInfo("Invalid value for " + key + " = " + value
 200                     + "; expected value in range[" + min + ", " + max + "] !");
 201             value = def;
 202         }
 203         return value;
 204     }
 205 
 206     static int align(final int val, final int norm) {