6307603: [X11] Use RENDER extension for complex operations done in software

Reviewed-by: bae, igor, prr

10 files changed, 151 insertions, 20 deletions

diff --git a/src/share/classes/sun/font/GlyphDisposedListener.java b/src/share/classes/sun/font/GlyphDisposedListener.java
new file mode 100644
index 000000000..41a38380c
--- /dev/null
+++ b/src/share/classes/sun/font/GlyphDisposedListener.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.font;
+
+import java.util.*;
+
+public interface GlyphDisposedListener {
+    public void glyphDisposed(ArrayList<Long> glyphs);
+}
diff --git a/src/share/classes/sun/font/StrikeCache.java b/src/share/classes/sun/font/StrikeCache.java
index 9e5b02a86..dd9b1b6da 100644
--- a/src/share/classes/sun/font/StrikeCache.java
+++ b/src/share/classes/sun/font/StrikeCache.java
@@ -31,6 +31,7 @@ import java.lang.ref.Reference;
 import java.lang.ref.ReferenceQueue;
 import java.lang.ref.SoftReference;
 import java.lang.ref.WeakReference;
+import java.util.*;
 
 import sun.java2d.Disposer;
 import sun.java2d.pipe.BufferedContext;
@@ -66,6 +67,9 @@ public final class StrikeCache {
 
     static ReferenceQueue refQueue = Disposer.getQueue();
 
+    static ArrayList<GlyphDisposedListener> disposeListeners = new ArrayList<GlyphDisposedListener>(1);
+
+
     /* Reference objects may have their referents cleared when GC chooses.
      * During application client start-up there is typically at least one
      * GC which causes the hotspot VM to clear soft (not just weak) references
@@ -108,6 +112,8 @@ public final class StrikeCache {
     static int topLeftXOffset;
     static int topLeftYOffset;
     static int pixelDataOffset;
+    static int cacheCellOffset;
+    static int managedOffset;
     static long invisibleGlyphPtr;
 
     /* Native method used to return information used for unsafe
@@ -129,7 +135,7 @@ public final class StrikeCache {
 
     static {
 
-        long[] nativeInfo = new long[11];
+        long[] nativeInfo = new long[13];
         getGlyphCacheDescription(nativeInfo);
         //Can also get address size from Unsafe class :-
         //nativeAddressSize = unsafe.addressSize();
@@ -144,6 +150,9 @@ public final class StrikeCache {
         topLeftYOffset    = (int)nativeInfo[8];
         pixelDataOffset   = (int)nativeInfo[9];
         invisibleGlyphPtr = nativeInfo[10];
+        cacheCellOffset = (int) nativeInfo[11];
+        managedOffset = (int) nativeInfo[12];
+
         if (nativeAddressSize < 4) {
             throw new InternalError("Unexpected address size for font data: " +
                                     nativeAddressSize);
@@ -195,10 +204,10 @@ public final class StrikeCache {
 
     private static final void doDispose(FontStrikeDisposer disposer) {
         if (disposer.intGlyphImages != null) {
-            freeIntMemory(disposer.intGlyphImages,
+            freeCachedIntMemory(disposer.intGlyphImages,
                     disposer.pScalerContext);
         } else if (disposer.longGlyphImages != null) {
-            freeLongMemory(disposer.longGlyphImages,
+            freeCachedLongMemory(disposer.longGlyphImages,
                     disposer.pScalerContext);
         } else if (disposer.segIntGlyphImages != null) {
             /* NB Now making multiple JNI calls in this case.
@@ -207,7 +216,7 @@ public final class StrikeCache {
              */
             for (int i=0; i<disposer.segIntGlyphImages.length; i++) {
                 if (disposer.segIntGlyphImages[i] != null) {
-                    freeIntMemory(disposer.segIntGlyphImages[i],
+                    freeCachedIntMemory(disposer.segIntGlyphImages[i],
                             disposer.pScalerContext);
                     /* native will only free the scaler context once */
                     disposer.pScalerContext = 0L;
@@ -218,19 +227,19 @@ public final class StrikeCache {
              * for a strike that never was asked to rasterise a glyph.
              */
             if (disposer.pScalerContext != 0L) {
-                freeIntMemory(new int[0], disposer.pScalerContext);
+                freeCachedIntMemory(new int[0], disposer.pScalerContext);
             }
         } else if (disposer.segLongGlyphImages != null) {
             for (int i=0; i<disposer.segLongGlyphImages.length; i++) {
                 if (disposer.segLongGlyphImages[i] != null) {
-                    freeLongMemory(disposer.segLongGlyphImages[i],
+                    freeCachedLongMemory(disposer.segLongGlyphImages[i],
                             disposer.pScalerContext);
                     disposer.pScalerContext = 0L;
                     disposer.segLongGlyphImages[i] = null;
                 }
             }
             if (disposer.pScalerContext != 0L) {
-                freeLongMemory(new long[0], disposer.pScalerContext);
+                freeCachedLongMemory(new long[0], disposer.pScalerContext);
             }
         } else if (disposer.pScalerContext != 0L) {
             /* Rarely a strike may have been created that never cached
@@ -238,9 +247,9 @@ public final class StrikeCache {
              * context.
              */
             if (longAddresses()) {
-                freeLongMemory(new long[0], disposer.pScalerContext);
+                freeCachedLongMemory(new long[0], disposer.pScalerContext);
             } else {
-                freeIntMemory(new int[0], disposer.pScalerContext);
+                freeCachedIntMemory(new int[0], disposer.pScalerContext);
             }
         }
     }
@@ -304,6 +313,68 @@ public final class StrikeCache {
     private static native void freeIntMemory(int[] glyphPtrs, long pContext);
     private static native void freeLongMemory(long[] glyphPtrs, long pContext);
 
+    private static void freeCachedIntMemory(int[] glyphPtrs, long pContext) {
+        synchronized(disposeListeners) {
+            if (disposeListeners.size() > 0) {
+                ArrayList<Long> gids = null;
+
+                for (int i = 0; i < glyphPtrs.length; i++) {
+                    if (glyphPtrs[i] != 0 && unsafe.getByte(glyphPtrs[i] + managedOffset) == 0
+                            && unsafe.getInt(glyphPtrs[i] + cacheCellOffset) != 0) {
+
+                        if (gids == null) {
+                            gids = new ArrayList<Long>();
+                        }
+                        gids.add((long) glyphPtrs[i]);
+                    }
+                }
+
+                if (gids != null) {
+                    notifyDisposeListeners(gids);
+                }
+            }
+        }
+
+        freeIntMemory(glyphPtrs, pContext);
+    }
+
+    private static void  freeCachedLongMemory(long[] glyphPtrs, long pContext) {
+        synchronized(disposeListeners) {
+        if (disposeListeners.size() > 0)  {
+                ArrayList<Long> gids = null;
+
+                for (int i=0; i < glyphPtrs.length; i++) {
+                    if (glyphPtrs[i] != 0
+                            && unsafe.getByte(glyphPtrs[i] + managedOffset) == 0
+                            && unsafe.getInt(glyphPtrs[i] + cacheCellOffset) != 0) {
+
+                        if (gids == null) {
+                            gids = new ArrayList<Long>();
+                        }
+                        gids.add((long) glyphPtrs[i]);
+                    }
+                }
+
+                if (gids != null) {
+                    notifyDisposeListeners(gids);
+                }
+        }
+        }
+
+        freeLongMemory(glyphPtrs, pContext);
+    }
+
+    public static void addGlyphDisposedListener(GlyphDisposedListener listener) {
+        synchronized(disposeListeners) {
+            disposeListeners.add(listener);
+        }
+    }
+
+    private static void notifyDisposeListeners(ArrayList<Long> glyphs) {
+        for (GlyphDisposedListener listener : disposeListeners) {
+            listener.glyphDisposed(glyphs);
+        }
+    }
 
     public static Reference getStrikeRef(FontStrike strike) {
         return getStrikeRef(strike, cacheRefTypeWeak);
diff --git a/src/share/classes/sun/java2d/pipe/BufferedPaints.java b/src/share/classes/sun/java2d/pipe/BufferedPaints.java
index 604590ff6..3ff1b3b15 100644
--- a/src/share/classes/sun/java2d/pipe/BufferedPaints.java
+++ b/src/share/classes/sun/java2d/pipe/BufferedPaints.java
@@ -307,7 +307,7 @@ public class BufferedPaints {
      * linear RGB space.  Copied directly from the
      * MultipleGradientPaintContext class.
      */
-    private static int convertSRGBtoLinearRGB(int color) {
+    public static int convertSRGBtoLinearRGB(int color) {
         float input, output;
 
         input = color / 255.0f;
diff --git a/src/share/classes/sun/java2d/pipe/RenderBuffer.java b/src/share/classes/sun/java2d/pipe/RenderBuffer.java
index f0b8069a5..cf4e56918 100644
--- a/src/share/classes/sun/java2d/pipe/RenderBuffer.java
+++ b/src/share/classes/sun/java2d/pipe/RenderBuffer.java
@@ -117,6 +117,11 @@ public class RenderBuffer {
         curAddress = baseAddress;
     }
 
+    public final RenderBuffer skip(long numBytes) {
+        curAddress += numBytes;
+        return this;
+    }
+
     /**
      * putByte() methods...
      */
diff --git a/src/share/classes/sun/java2d/pisces/META-INF/services/sun.java2d.pipe.RenderingEngine b/src/share/classes/sun/java2d/pisces/META-INF/services/sun.java2d.pipe.RenderingEngine
index 607ff5905..66b2ae9c6 100644
--- a/src/share/classes/sun/java2d/pisces/META-INF/services/sun.java2d.pipe.RenderingEngine
+++ b/src/share/classes/sun/java2d/pisces/META-INF/services/sun.java2d.pipe.RenderingEngine
@@ -1,2 +1,5 @@
+# Jules Rendering Engine module
+sun.java2d.jules.JulesRenderingEngine
+
 #  Pisces Rendering Engine module
-sun.java2d.pisces.PiscesRenderingEngine
+sun.java2d.pisces.PiscesRenderingEngine
\ No newline at end of file
diff --git a/src/share/native/sun/font/AccelGlyphCache.c b/src/share/native/sun/font/AccelGlyphCache.c
index 73e94a91c..7d293fd7a 100644
--- a/src/share/native/sun/font/AccelGlyphCache.c
+++ b/src/share/native/sun/font/AccelGlyphCache.c
@@ -325,6 +325,7 @@ AccelGlyphCache_AddCellInfo(GlyphInfo *glyph, CacheCellInfo *cellInfo)
     cellInfo->glyphInfo = glyph;
     cellInfo->nextGCI = glyph->cellInfo;
     glyph->cellInfo = cellInfo;
+    glyph->managed = MANAGED_GLYPH;
 }
 
 /**
diff --git a/src/share/native/sun/font/fontscalerdefs.h b/src/share/native/sun/font/fontscalerdefs.h
index d7fd1fbe6..b83f7e00e 100644
--- a/src/share/native/sun/font/fontscalerdefs.h
+++ b/src/share/native/sun/font/fontscalerdefs.h
@@ -84,15 +84,26 @@ typedef float t2kScalar;
 
 #define t2kScalarAverage(a, b) (((a) + (b)) / (t2kScalar)(2))
 
+  /* managed: 1 means the glyph has a hardware cached
+   * copy, and its freeing is managed by the the usual
+   * 2D disposer code.
+   * A value of 0 means its either unaccelerated (and so has no cellInfos)
+   * or we want to free this in a different way.
+   * The field uses previously unused padding, so doesn't enlarge
+   * the structure.
+   */
+#define UNMANAGED_GLYPH 0
+#define MANAGED_GLYPH   1
 typedef struct GlyphInfo {
     float        advanceX;
     float        advanceY;
     UInt16       width;
     UInt16       height;
     UInt16       rowBytes;
+    UInt8         managed;
     float        topLeftX;
     float        topLeftY;
-    struct _CacheCellInfo *cellInfo;
+    void         *cellInfo;
     UInt8        *image;
 } GlyphInfo;
 
diff --git a/src/share/native/sun/font/freetypeScaler.c b/src/share/native/sun/font/freetypeScaler.c
index 93baaea47..66ec606af 100644
--- a/src/share/native/sun/font/freetypeScaler.c
+++ b/src/share/native/sun/font/freetypeScaler.c
@@ -782,6 +782,7 @@ Java_sun_font_FreetypeFontScaler_getGlyphImageNative(
         return ptr_to_jlong(glyphInfo);
     }
     glyphInfo->cellInfo  = NULL;
+    glyphInfo->managed   = UNMANAGED_GLYPH;
     glyphInfo->rowBytes  = width;
     glyphInfo->width     = width;
     glyphInfo->height    = height;
@@ -1130,7 +1131,7 @@ static void addToGP(GPData* gpdata, FT_Outline*outline) {
                     current_type = SEG_LINETO;
                 }
             } else if (FT_CURVE_TAG(outline->tags[i]) == FT_CURVE_TAG_CUBIC) {
-                /* Bit 1 is meaningful for ‘off’ points only.
+                /* Bit 1 is meaningful for 'off' points only.
                    If set, it indicates a third-order Bezier arc control
                    point; and a second-order control point if unset.  */
                 current_type = SEG_CUBICTO;
diff --git a/src/share/native/sun/font/sunFont.c b/src/share/native/sun/font/sunFont.c
index 3bd914518..84fa28f08 100644
--- a/src/share/native/sun/font/sunFont.c
+++ b/src/share/native/sun/font/sunFont.c
@@ -233,7 +233,8 @@ JNIEXPORT void JNICALL Java_sun_font_StrikeCache_freeIntMemory
         for (i=0; i< len; i++) {
             if (ptrs[i] != 0) {
                 GlyphInfo *ginfo = (GlyphInfo *)ptrs[i];
-                if (ginfo->cellInfo != NULL) {
+                if (ginfo->cellInfo != NULL &&
+                    ginfo->managed == MANAGED_GLYPH) {
                     // invalidate this glyph's accelerated cache cell
                     AccelGlyphCache_RemoveAllCellInfos(ginfo);
                 }
@@ -264,7 +265,8 @@ JNIEXPORT void JNICALL Java_sun_font_StrikeCache_freeLongMemory
         for (i=0; i< len; i++) {
             if (ptrs[i] != 0L) {
                 GlyphInfo *ginfo = (GlyphInfo *) jlong_to_ptr(ptrs[i]);
-                if (ginfo->cellInfo != NULL) {
+                if (ginfo->cellInfo != NULL &&
+                    ginfo->managed == MANAGED_GLYPH) {
                     AccelGlyphCache_RemoveAllCellInfos(ginfo);
                 }
                 free((void*)ginfo);
@@ -285,7 +287,7 @@ Java_sun_font_StrikeCache_getGlyphCacheDescription
     GlyphInfo *info;
     size_t baseAddr;
 
-    if ((*env)->GetArrayLength(env, results) < 10) {
+    if ((*env)->GetArrayLength(env, results) < 13) {
         return;
     }
 
@@ -310,6 +312,9 @@ Java_sun_font_StrikeCache_getGlyphCacheDescription
     nresults[8] = (size_t)&(info->topLeftY)-baseAddr;
     nresults[9] = (size_t)&(info->image)-baseAddr;
     nresults[10] = (jlong)(uintptr_t)info; /* invisible glyph */
+    nresults[11] = (size_t)&(info->cellInfo)-baseAddr;
+    nresults[12] = (size_t)&(info->managed)-baseAddr;
+
     (*env)->ReleasePrimitiveArrayCritical(env, results, nresults, 0);
 }
 
diff --git a/src/share/native/sun/java2d/opengl/OGLTextRenderer.c b/src/share/native/sun/java2d/opengl/OGLTextRenderer.c
index b709be3cc..fa98114f7 100644
--- a/src/share/native/sun/java2d/opengl/OGLTextRenderer.c
+++ b/src/share/native/sun/java2d/opengl/OGLTextRenderer.c
@@ -244,6 +244,7 @@ static void
 OGLTR_AddToGlyphCache(GlyphInfo *glyph, jboolean rgbOrder)
 {
     GLenum pixelFormat;
+    CacheCellInfo *ccinfo;
 
     J2dTraceLn(J2D_TRACE_INFO, "OGLTR_AddToGlyphCache");
 
@@ -258,11 +259,12 @@ OGLTR_AddToGlyphCache(GlyphInfo *glyph, jboolean rgbOrder)
     }
 
     AccelGlyphCache_AddGlyph(glyphCache, glyph);
+    ccinfo = (CacheCellInfo *) glyph->cellInfo;
 
-    if (glyph->cellInfo != NULL) {
+    if (ccinfo != NULL) {
         // store glyph image in texture cell
         j2d_glTexSubImage2D(GL_TEXTURE_2D, 0,
-                            glyph->cellInfo->x, glyph->cellInfo->y,
+                            ccinfo->x, ccinfo->y,
                             glyph->width, glyph->height,
                             pixelFormat, GL_UNSIGNED_BYTE, glyph->image);
     }
@@ -668,7 +670,7 @@ OGLTR_DrawGrayscaleGlyphViaCache(OGLContext *oglc,
         }
     }
 
-    cell = ginfo->cellInfo;
+    cell = (CacheCellInfo *) (ginfo->cellInfo);
     cell->timesRendered++;
 
     x1 = (jfloat)x;
@@ -871,7 +873,7 @@ OGLTR_DrawLCDGlyphViaCache(OGLContext *oglc, OGLSDOps *dstOps,
         }
     }
 
-    cell = ginfo->cellInfo;
+    cell = (CacheCellInfo *) (ginfo->cellInfo);
     cell->timesRendered++;
 
     // location of the glyph in the destination's coordinate space