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src/java.desktop/share/classes/sun/java2d/marlin/RendererContext.java

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   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 sun.java2d.marlin;
  27 
  28 import java.awt.geom.Path2D;
  29 import java.lang.ref.WeakReference;
  30 import java.util.concurrent.atomic.AtomicInteger;
  31 import sun.java2d.ReentrantContext;
  32 import sun.java2d.marlin.ArrayCacheConst.CacheStats;
  33 import sun.java2d.marlin.MarlinRenderingEngine.NormalizingPathIterator;
  34 
  35 /**
  36  * This class is a renderer context dedicated to a single thread
  37  */
  38 final class RendererContext extends ReentrantContext implements MarlinConst {
  39 
  40     // RendererContext creation counter
  41     private static final AtomicInteger CTX_COUNT = new AtomicInteger(1);
  42 
  43     /**
  44      * Create a new renderer context
  45      *
  46      * @return new RendererContext instance
  47      */
  48     static RendererContext createContext() {
  49         return new RendererContext("ctx"
  50                        + Integer.toString(CTX_COUNT.getAndIncrement()));
  51     }
  52 
  53     // Smallest object used as Cleaner's parent reference
  54     private final Object cleanerObj;
  55     // dirty flag indicating an exception occured during pipeline in pathTo()
  56     boolean dirty = false;
  57     // shared data
  58     final float[] float6 = new float[6];


 104         if (DO_STATS || DO_MONITORS) {
 105             stats = RendererStats.createInstance(cleanerObj, name);
 106             // push cache stats:
 107             stats.cacheStats = new CacheStats[] { cleanIntCache.stats,
 108                 dirtyIntCache.stats, dirtyFloatCache.stats, dirtyByteCache.stats
 109             };
 110         } else {
 111             stats = null;
 112         }
 113 
 114         // NormalizingPathIterator instances:
 115         nPCPathIterator = new NormalizingPathIterator.NearestPixelCenter(float6);
 116         nPQPathIterator  = new NormalizingPathIterator.NearestPixelQuarter(float6);
 117 
 118         // MarlinRenderingEngine.TransformingPathConsumer2D
 119         transformerPC2D = new TransformingPathConsumer2D();
 120 
 121         // Renderer:
 122         cache = new MarlinCache(this);
 123         renderer = new Renderer(this); // needs MarlinCache from rdrCtx.cache
 124         ptg = new MarlinTileGenerator(renderer);
 125 
 126         stroker = new Stroker(this);
 127         dasher = new Dasher(this);
 128     }
 129 
 130     /**
 131      * Disposes this renderer context:
 132      * clean up before reusing this context
 133      */
 134     void dispose() {
 135         if (DO_STATS) {
 136             if (stats.totalOffHeap > stats.totalOffHeapMax) {
 137                 stats.totalOffHeapMax = stats.totalOffHeap;
 138             }
 139             stats.totalOffHeap = 0L;
 140         }
 141         stroking = 0;
 142         // if context is maked as DIRTY:
 143         if (dirty) {
 144             // may happen if an exception if thrown in the pipeline processing:


 157         }
 158     }
 159 
 160     Path2D.Float getPath2D() {
 161         // resolve reference:
 162         Path2D.Float p2d
 163             = (refPath2D != null) ? refPath2D.get() : null;
 164 
 165         // create a new Path2D ?
 166         if (p2d == null) {
 167             p2d = new Path2D.Float(Path2D.WIND_NON_ZERO, INITIAL_EDGES_COUNT); // 32K
 168 
 169             // update weak reference:
 170             refPath2D = new WeakReference<Path2D.Float>(p2d);
 171         }
 172         // reset the path anyway:
 173         p2d.reset();
 174         return p2d;
 175     }
 176 
 177     OffHeapArray newOffHeapArray(final long initialSize) {






 178         if (DO_STATS) {
 179             stats.totalOffHeapInitial += initialSize;
 180         }
 181         return new OffHeapArray(cleanerObj, initialSize);
 182     }
 183 
 184     IntArrayCache.Reference newCleanIntArrayRef(final int initialSize) {

 185         return cleanIntCache.createRef(initialSize);
 186     }
 187 
 188     IntArrayCache.Reference newDirtyIntArrayRef(final int initialSize) {
 189         return dirtyIntCache.createRef(initialSize);
 190     }
 191 
 192     FloatArrayCache.Reference newDirtyFloatArrayRef(final int initialSize) {
 193         return dirtyFloatCache.createRef(initialSize);
 194     }
 195 
 196     ByteArrayCache.Reference newDirtyByteArrayRef(final int initialSize) {
 197         return dirtyByteCache.createRef(initialSize);
 198     }
 199 }
   1 /*
   2  * Copyright (c) 2015, 2017, 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.awt.geom.Path2D;
  29 import java.lang.ref.WeakReference;
  30 import java.util.concurrent.atomic.AtomicInteger;
  31 import sun.java2d.ReentrantContext;
  32 import sun.java2d.marlin.ArrayCacheConst.CacheStats;
  33 import sun.java2d.marlin.MarlinRenderingEngine.NormalizingPathIterator;
  34 
  35 /**
  36  * This class is a renderer context dedicated to a single thread
  37  */
  38 final class RendererContext extends ReentrantContext implements IRendererContext {
  39 
  40     // RendererContext creation counter
  41     private static final AtomicInteger CTX_COUNT = new AtomicInteger(1);
  42 
  43     /**
  44      * Create a new renderer context
  45      *
  46      * @return new RendererContext instance
  47      */
  48     static RendererContext createContext() {
  49         return new RendererContext("ctx"
  50                        + Integer.toString(CTX_COUNT.getAndIncrement()));
  51     }
  52 
  53     // Smallest object used as Cleaner's parent reference
  54     private final Object cleanerObj;
  55     // dirty flag indicating an exception occured during pipeline in pathTo()
  56     boolean dirty = false;
  57     // shared data
  58     final float[] float6 = new float[6];


 104         if (DO_STATS || DO_MONITORS) {
 105             stats = RendererStats.createInstance(cleanerObj, name);
 106             // push cache stats:
 107             stats.cacheStats = new CacheStats[] { cleanIntCache.stats,
 108                 dirtyIntCache.stats, dirtyFloatCache.stats, dirtyByteCache.stats
 109             };
 110         } else {
 111             stats = null;
 112         }
 113 
 114         // NormalizingPathIterator instances:
 115         nPCPathIterator = new NormalizingPathIterator.NearestPixelCenter(float6);
 116         nPQPathIterator  = new NormalizingPathIterator.NearestPixelQuarter(float6);
 117 
 118         // MarlinRenderingEngine.TransformingPathConsumer2D
 119         transformerPC2D = new TransformingPathConsumer2D();
 120 
 121         // Renderer:
 122         cache = new MarlinCache(this);
 123         renderer = new Renderer(this); // needs MarlinCache from rdrCtx.cache
 124         ptg = new MarlinTileGenerator(stats, renderer, cache);
 125 
 126         stroker = new Stroker(this);
 127         dasher = new Dasher(this);
 128     }
 129 
 130     /**
 131      * Disposes this renderer context:
 132      * clean up before reusing this context
 133      */
 134     void dispose() {
 135         if (DO_STATS) {
 136             if (stats.totalOffHeap > stats.totalOffHeapMax) {
 137                 stats.totalOffHeapMax = stats.totalOffHeap;
 138             }
 139             stats.totalOffHeap = 0L;
 140         }
 141         stroking = 0;
 142         // if context is maked as DIRTY:
 143         if (dirty) {
 144             // may happen if an exception if thrown in the pipeline processing:


 157         }
 158     }
 159 
 160     Path2D.Float getPath2D() {
 161         // resolve reference:
 162         Path2D.Float p2d
 163             = (refPath2D != null) ? refPath2D.get() : null;
 164 
 165         // create a new Path2D ?
 166         if (p2d == null) {
 167             p2d = new Path2D.Float(Path2D.WIND_NON_ZERO, INITIAL_EDGES_COUNT); // 32K
 168 
 169             // update weak reference:
 170             refPath2D = new WeakReference<Path2D.Float>(p2d);
 171         }
 172         // reset the path anyway:
 173         p2d.reset();
 174         return p2d;
 175     }
 176 
 177     @Override
 178     public RendererStats stats() {
 179         return stats;
 180     }
 181 
 182     @Override
 183     public OffHeapArray newOffHeapArray(final long initialSize) {
 184         if (DO_STATS) {
 185             stats.totalOffHeapInitial += initialSize;
 186         }
 187         return new OffHeapArray(cleanerObj, initialSize);
 188     }
 189 
 190     @Override
 191     public IntArrayCache.Reference newCleanIntArrayRef(final int initialSize) {
 192         return cleanIntCache.createRef(initialSize);
 193     }
 194 
 195     IntArrayCache.Reference newDirtyIntArrayRef(final int initialSize) {
 196         return dirtyIntCache.createRef(initialSize);
 197     }
 198 
 199     FloatArrayCache.Reference newDirtyFloatArrayRef(final int initialSize) {
 200         return dirtyFloatCache.createRef(initialSize);
 201     }
 202 
 203     ByteArrayCache.Reference newDirtyByteArrayRef(final int initialSize) {
 204         return dirtyByteCache.createRef(initialSize);
 205     }
 206 }
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