Title: [197941] trunk/Source
Revision
197941
Author
[email protected]
Date
2016-03-10 09:55:19 -0800 (Thu, 10 Mar 2016)

Log Message

Unreviewed, rolling out r197923.
https://bugs.webkit.org/show_bug.cgi?id=155301

Rolling out this change due to breaking the build and
LayoutTests. (Requested by ryanhaddad on #webkit).

Reverted changeset:

"Font antialiasing (smoothing) changes when elements are
rendered into compositing layers"
https://bugs.webkit.org/show_bug.cgi?id=23364
http://trac.webkit.org/changeset/197923

Patch by Commit Queue <[email protected]> on 2016-03-10

Modified Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (197940 => 197941)


--- trunk/Source/WebCore/ChangeLog	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/ChangeLog	2016-03-10 17:55:19 UTC (rev 197941)
@@ -1,3 +1,18 @@
+2016-03-10  Commit Queue  <[email protected]>
+
+        Unreviewed, rolling out r197923.
+        https://bugs.webkit.org/show_bug.cgi?id=155301
+
+        Rolling out this change due to breaking the build and
+        LayoutTests. (Requested by ryanhaddad on #webkit).
+
+        Reverted changeset:
+
+        "Font antialiasing (smoothing) changes when elements are
+        rendered into compositing layers"
+        https://bugs.webkit.org/show_bug.cgi?id=23364
+        http://trac.webkit.org/changeset/197923
+
 2016-03-10  Daniel Bates  <[email protected]>
 
         CSP: Implement support for inline script and inline style hashes

Modified: trunk/Source/WebCore/platform/graphics/GraphicsLayer.cpp (197940 => 197941)


--- trunk/Source/WebCore/platform/graphics/GraphicsLayer.cpp	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/platform/graphics/GraphicsLayer.cpp	2016-03-10 17:55:19 UTC (rev 197941)
@@ -105,13 +105,6 @@
 }
 #endif
 
-#if !USE(CA)
-bool GraphicsLayer::supportsSmoothedFontsInNonOpaqueLayers()
-{
-    return false;
-}
-#endif
-
 GraphicsLayer::GraphicsLayer(Type type, GraphicsLayerClient& client)
     : m_client(client)
     , m_anchorPoint(0.5f, 0.5f, 0)
@@ -122,7 +115,6 @@
 #endif
     , m_type(type)
     , m_contentsOpaque(false)
-    , m_supportsSmoothedFonts(false)
     , m_preserves3D(false)
     , m_backfaceVisibility(true)
     , m_usingTiledBacking(false)

Modified: trunk/Source/WebCore/platform/graphics/GraphicsLayer.h (197940 => 197941)


--- trunk/Source/WebCore/platform/graphics/GraphicsLayer.h	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/platform/graphics/GraphicsLayer.h	2016-03-10 17:55:19 UTC (rev 197941)
@@ -364,9 +364,6 @@
     bool contentsOpaque() const { return m_contentsOpaque; }
     virtual void setContentsOpaque(bool b) { m_contentsOpaque = b; }
 
-    bool supportsSmoothedFonts() const { return m_supportsSmoothedFonts; }
-    virtual void setSupportsSmoothedFonts(bool b) { m_supportsSmoothedFonts = b; }
-
     bool backfaceVisibility() const { return m_backfaceVisibility; }
     virtual void setBackfaceVisibility(bool b) { m_backfaceVisibility = b; }
 
@@ -543,7 +540,6 @@
     static bool supportsBackgroundColorContent();
     static bool supportsLayerType(Type);
     static bool supportsContentsTiling();
-    static bool supportsSmoothedFontsInNonOpaqueLayers();
 
     void updateDebugIndicators();
 
@@ -617,7 +613,6 @@
     const Type m_type;
 
     bool m_contentsOpaque : 1;
-    bool m_supportsSmoothedFonts : 1;
     bool m_preserves3D: 1;
     bool m_backfaceVisibility : 1;
     bool m_usingTiledBacking : 1;

Modified: trunk/Source/WebCore/platform/graphics/TiledBacking.h (197940 => 197941)


--- trunk/Source/WebCore/platform/graphics/TiledBacking.h	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/platform/graphics/TiledBacking.h	2016-03-10 17:55:19 UTC (rev 197941)
@@ -79,8 +79,6 @@
     virtual void setTiledScrollingIndicatorPosition(const FloatPoint&) = 0;
     virtual void setTopContentInset(float) = 0;
 
-    virtual void setTileContentsFormatFlags(unsigned) = 0;
-
     virtual void setVelocity(const VelocityData&) = 0;
     
     enum {

Modified: trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp (197940 => 197941)


--- trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp	2016-03-10 17:55:19 UTC (rev 197941)
@@ -309,14 +309,6 @@
     return true;
 }
 
-bool GraphicsLayer::supportsSmoothedFontsInNonOpaqueLayers()
-{
-#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101200
-    return true;
-#endif
-    return false;
-}
-
 std::unique_ptr<GraphicsLayer> GraphicsLayer::create(GraphicsLayerFactory* factory, GraphicsLayerClient& client, Type layerType)
 {
     std::unique_ptr<GraphicsLayer> graphicsLayer;
@@ -717,15 +709,6 @@
     noteLayerPropertyChanged(ContentsOpaqueChanged);
 }
 
-void GraphicsLayerCA::setSupportsSmoothedFonts(bool supportsSmoothedFonts)
-{
-    if (m_supportsSmoothedFonts == supportsSmoothedFonts)
-        return;
-
-    GraphicsLayer::setSupportsSmoothedFonts(supportsSmoothedFonts);
-    noteLayerPropertyChanged(ContentsFormatChanged);
-}
-
 void GraphicsLayerCA::setBackfaceVisibility(bool visible)
 {
     if (m_backfaceVisibility == visible)
@@ -1597,9 +1580,6 @@
     if (m_uncommittedChanges & ContentsOpaqueChanged)
         updateContentsOpaque(pageScaleFactor);
 
-    if (m_uncommittedChanges & ContentsFormatChanged)
-        updateContentsFormat();
-
     if (m_uncommittedChanges & BackfaceVisibilityChanged)
         updateBackfaceVisibility();
 
@@ -1910,20 +1890,6 @@
     }
 }
 
-void GraphicsLayerCA::updateContentsFormat()
-{
-    PlatformCALayer::ContentsFormatFlags formatFlags = 0;
-    if (supportsSmoothedFonts())
-        formatFlags |= PlatformCALayer::SmoothedFonts;
-
-    m_layer->setContentsFormat(formatFlags);
-
-    if (LayerMap* layerCloneMap = m_layerClones.get()) {
-        for (auto& layer : layerCloneMap->values())
-            layer->setContentsFormat(formatFlags);
-    }
-}
-
 void GraphicsLayerCA::updateBackfaceVisibility()
 {
     if (m_structuralLayer && structuralLayerPurpose() == StructuralLayerForReplicaFlattening) {

Modified: trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.h (197940 => 197941)


--- trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.h	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.h	2016-03-10 17:55:19 UTC (rev 197941)
@@ -95,8 +95,6 @@
     WEBCORE_EXPORT void setBackgroundColor(const Color&) override;
 
     WEBCORE_EXPORT void setContentsOpaque(bool) override;
-    WEBCORE_EXPORT void setSupportsSmoothedFonts(bool) override;
-
     WEBCORE_EXPORT void setBackfaceVisibility(bool) override;
 
     // return true if we started an animation
@@ -393,7 +391,6 @@
     void updateMasksToBounds();
     void updateContentsVisibility();
     void updateContentsOpaque(float pageScaleFactor);
-    void updateContentsFormat();
     void updateBackfaceVisibility();
     void updateStructuralLayer();
     void updateDrawsContent();
@@ -458,44 +455,43 @@
     bool appendToUncommittedAnimations(const KeyframeValueList&, const FilterOperation*, const Animation*, const String& animationName, int animationIndex, double timeOffset);
 
     enum LayerChange : uint64_t {
-        NoChange                        = 0,
-        NameChanged                     = 1LLU << 1,
-        ChildrenChanged                 = 1LLU << 2, // also used for content layer, and preserves-3d, and size if tiling changes?
-        GeometryChanged                 = 1LLU << 3,
-        TransformChanged                = 1LLU << 4,
-        ChildrenTransformChanged        = 1LLU << 5,
-        Preserves3DChanged              = 1LLU << 6,
-        MasksToBoundsChanged            = 1LLU << 7,
-        DrawsContentChanged             = 1LLU << 8,
-        BackgroundColorChanged          = 1LLU << 9,
-        ContentsOpaqueChanged           = 1LLU << 10,
-        ContentsFormatChanged           = 1LLU << 11,
-        BackfaceVisibilityChanged       = 1LLU << 12,
-        OpacityChanged                  = 1LLU << 13,
-        AnimationChanged                = 1LLU << 14,
-        DirtyRectsChanged               = 1LLU << 15,
-        ContentsImageChanged            = 1LLU << 16,
-        ContentsPlatformLayerChanged    = 1LLU << 17,
-        ContentsColorLayerChanged       = 1LLU << 18,
-        ContentsRectsChanged            = 1LLU << 19,
-        MasksToBoundsRectChanged        = 1LLU << 20,
-        MaskLayerChanged                = 1LLU << 21,
-        ReplicatedLayerChanged          = 1LLU << 22,
-        ContentsNeedsDisplay            = 1LLU << 23,
-        AcceleratesDrawingChanged       = 1LLU << 24,
-        ContentsScaleChanged            = 1LLU << 25,
-        ContentsVisibilityChanged       = 1LLU << 26,
-        CoverageRectChanged             = 1LLU << 27,
-        FiltersChanged                  = 1LLU << 28,
-        BackdropFiltersChanged          = 1LLU << 29,
-        BackdropFiltersRectChanged      = 1LLU << 30,
-        TilingAreaChanged               = 1LLU << 31,
-        TilesAdded                      = 1LLU << 32,
-        DebugIndicatorsChanged          = 1LLU << 33,
-        CustomAppearanceChanged         = 1LLU << 34,
-        BlendModeChanged                = 1LLU << 35,
-        ShapeChanged                    = 1LLU << 36,
-        WindRuleChanged                 = 1LLU << 37,
+        NoChange =                      0,
+        NameChanged =                   1LLU << 1,
+        ChildrenChanged =               1LLU << 2, // also used for content layer, and preserves-3d, and size if tiling changes?
+        GeometryChanged =               1LLU << 3,
+        TransformChanged =              1LLU << 4,
+        ChildrenTransformChanged =      1LLU << 5,
+        Preserves3DChanged =            1LLU << 6,
+        MasksToBoundsChanged =          1LLU << 7,
+        DrawsContentChanged =           1LLU << 8,
+        BackgroundColorChanged =        1LLU << 9,
+        ContentsOpaqueChanged =         1LLU << 10,
+        BackfaceVisibilityChanged =     1LLU << 11,
+        OpacityChanged =                1LLU << 12,
+        AnimationChanged =              1LLU << 13,
+        DirtyRectsChanged =             1LLU << 14,
+        ContentsImageChanged =          1LLU << 15,
+        ContentsPlatformLayerChanged =  1LLU << 16,
+        ContentsColorLayerChanged =     1LLU << 17,
+        ContentsRectsChanged =          1LLU << 18,
+        MasksToBoundsRectChanged =      1LLU << 19,
+        MaskLayerChanged =              1LLU << 20,
+        ReplicatedLayerChanged =        1LLU << 21,
+        ContentsNeedsDisplay =          1LLU << 22,
+        AcceleratesDrawingChanged =     1LLU << 23,
+        ContentsScaleChanged =          1LLU << 24,
+        ContentsVisibilityChanged =     1LLU << 25,
+        CoverageRectChanged =           1LLU << 26,
+        FiltersChanged =                1LLU << 27,
+        BackdropFiltersChanged =        1LLU << 28,
+        BackdropFiltersRectChanged =    1LLU << 29,
+        TilingAreaChanged =             1LLU << 30,
+        TilesAdded =                    1LLU << 31,
+        DebugIndicatorsChanged =        1LLU << 32,
+        CustomAppearanceChanged =       1LLU << 33,
+        BlendModeChanged =              1LLU << 34,
+        ShapeChanged =                  1LLU << 35,
+        WindRuleChanged =               1LLU << 36,
     };
     typedef uint64_t LayerChangeFlags;
     enum ScheduleFlushOrNot { ScheduleFlush, DontScheduleFlush };

Modified: trunk/Source/WebCore/platform/graphics/ca/PlatformCALayer.cpp (197940 => 197941)


--- trunk/Source/WebCore/platform/graphics/ca/PlatformCALayer.cpp	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/platform/graphics/ca/PlatformCALayer.cpp	2016-03-10 17:55:19 UTC (rev 197941)
@@ -80,6 +80,11 @@
         CGContextSetRGBFillColor(context, 0, 0.5f, 0.25f, 1);
     
     CGContextFillRect(context, indicatorBox);
+    
+    if (platformCALayer->acceleratesDrawing())
+        CGContextSetRGBFillColor(context, 1, 0, 0, 1);
+    else
+        CGContextSetRGBFillColor(context, 1, 1, 1, 1);
 
     if (platformCALayer->owner()->isUsingDisplayListDrawing(platformCALayer)) {
         CGContextSetRGBStrokeColor(context, 0, 0, 0, 0.65);
@@ -87,16 +92,6 @@
         CGContextStrokeRect(context, indicatorBox);
     }
     
-    if (!platformCALayer->isOpaque() && (platformCALayer->contentsFormat() & SmoothedFonts)) {
-        CGContextSetRGBFillColor(context, 1, 1, 1, 0.4);
-        platformCALayer->drawTextAtPoint(context, indicatorBox.origin.x + 7, indicatorBox.origin.y + 24, CGSizeMake(1, -1), 22, text, strlen(text));
-    }
-
-    if (platformCALayer->acceleratesDrawing())
-        CGContextSetRGBFillColor(context, 1, 0, 0, 1);
-    else
-        CGContextSetRGBFillColor(context, 1, 1, 1, 1);
-    
     platformCALayer->drawTextAtPoint(context, indicatorBox.origin.x + 5, indicatorBox.origin.y + 22, CGSizeMake(1, -1), 22, text, strlen(text));
     
     CGContextEndTransparencyLayer(context);

Modified: trunk/Source/WebCore/platform/graphics/ca/PlatformCALayer.h (197940 => 197941)


--- trunk/Source/WebCore/platform/graphics/ca/PlatformCALayer.h	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/platform/graphics/ca/PlatformCALayer.h	2016-03-10 17:55:19 UTC (rev 197941)
@@ -139,14 +139,6 @@
     virtual bool isOpaque() const = 0;
     virtual void setOpaque(bool) = 0;
 
-    enum ContentsFormatFlag {
-        DeepColor       = 1 << 0,
-        SmoothedFonts   = 1 << 1,
-    };
-    typedef unsigned ContentsFormatFlags;
-    virtual void setContentsFormat(ContentsFormatFlags) = 0;
-    virtual ContentsFormatFlags contentsFormat() const = 0;
-
     virtual FloatRect bounds() const = 0;
     virtual void setBounds(const FloatRect&) = 0;
 

Modified: trunk/Source/WebCore/platform/graphics/ca/TileController.cpp (197940 => 197941)


--- trunk/Source/WebCore/platform/graphics/ca/TileController.cpp	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/platform/graphics/ca/TileController.cpp	2016-03-10 17:55:19 UTC (rev 197941)
@@ -175,15 +175,6 @@
     tileGrid().updateTileLayerProperties();
 }
 
-void TileController::setTileContentsFormatFlags(PlatformCALayer::ContentsFormatFlags flags)
-{
-    if (flags == m_contentsFormatFlags)
-        return;
-
-    m_contentsFormatFlags = flags;
-    tileGrid().updateTileLayerProperties();
-}
-
 void TileController::setVisibleRect(const FloatRect& rect)
 {
     if (rect == m_visibleRect)
@@ -684,7 +675,6 @@
     layer->setBorderWidth(m_tileDebugBorderWidth);
     layer->setEdgeAntialiasingMask(0);
     layer->setOpaque(m_tilesAreOpaque);
-    layer->setContentsFormat(m_contentsFormatFlags);
 #ifndef NDEBUG
     layer->setName("Tile");
 #endif

Modified: trunk/Source/WebCore/platform/graphics/ca/TileController.h (197940 => 197941)


--- trunk/Source/WebCore/platform/graphics/ca/TileController.h	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/platform/graphics/ca/TileController.h	2016-03-10 17:55:19 UTC (rev 197941)
@@ -78,9 +78,6 @@
     WEBCORE_EXPORT void setTilesOpaque(bool);
     bool tilesAreOpaque() const { return m_tilesAreOpaque; }
 
-    void setTileContentsFormatFlags(PlatformCALayer::ContentsFormatFlags) override;
-    PlatformCALayer::ContentsFormatFlags tileContentsFormatFlags() const { return m_contentsFormatFlags; }
-
     PlatformCALayer& rootLayer() { return *m_tileCacheLayer; }
     const PlatformCALayer& rootLayer() const { return *m_tileCacheLayer; }
 
@@ -209,8 +206,6 @@
 
     int m_marginSize { kDefaultTileSize };
 
-    PlatformCALayer::ContentsFormatFlags m_contentsFormatFlags { 0 };
-
     // m_marginTop and m_marginBottom are the height in pixels of the top and bottom margin tiles. The width
     // of those tiles will be equivalent to the width of the other tiles in the grid. m_marginRight and
     // m_marginLeft are the width in pixels of the right and left margin tiles, respectively. The height of

Modified: trunk/Source/WebCore/platform/graphics/ca/TileGrid.cpp (197940 => 197941)


--- trunk/Source/WebCore/platform/graphics/ca/TileGrid.cpp	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/platform/graphics/ca/TileGrid.cpp	2016-03-10 17:55:19 UTC (rev 197941)
@@ -175,7 +175,6 @@
 {
     bool acceleratesDrawing = m_controller.acceleratesDrawing();
     bool opaque = m_controller.tilesAreOpaque();
-    PlatformCALayer::ContentsFormatFlags formatFlags = m_controller.tileContentsFormatFlags();
     Color tileDebugBorderColor = m_controller.tileDebugBorderColor();
     float tileDebugBorderWidth = m_controller.tileDebugBorderWidth();
 
@@ -183,7 +182,6 @@
         const TileInfo& tileInfo = it->value;
         tileInfo.layer->setAcceleratesDrawing(acceleratesDrawing);
         tileInfo.layer->setOpaque(opaque);
-        tileInfo.layer->setContentsFormat(formatFlags);
         tileInfo.layer->setBorderColor(tileDebugBorderColor);
         tileInfo.layer->setBorderWidth(tileDebugBorderWidth);
     }

Modified: trunk/Source/WebCore/platform/graphics/ca/cocoa/PlatformCALayerCocoa.h (197940 => 197941)


--- trunk/Source/WebCore/platform/graphics/ca/cocoa/PlatformCALayerCocoa.h	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/platform/graphics/ca/cocoa/PlatformCALayerCocoa.h	2016-03-10 17:55:19 UTC (rev 197941)
@@ -72,9 +72,6 @@
     bool isOpaque() const override;
     void setOpaque(bool) override;
 
-    void setContentsFormat(ContentsFormatFlags) override;
-    ContentsFormatFlags contentsFormat() const override { return m_contentsFormatFlags; }
-
     FloatRect bounds() const override;
     void setBounds(const FloatRect&) override;
 
@@ -182,7 +179,6 @@
     std::unique_ptr<PlatformCALayerList> m_customSublayers;
     GraphicsLayer::CustomAppearance m_customAppearance;
     std::unique_ptr<FloatRoundedRect> m_shapeRoundedRect;
-    ContentsFormatFlags m_contentsFormatFlags { 0 };
 };
 
 } // namespace WebCore

Modified: trunk/Source/WebCore/platform/graphics/ca/cocoa/PlatformCALayerCocoa.mm (197940 => 197941)


--- trunk/Source/WebCore/platform/graphics/ca/cocoa/PlatformCALayerCocoa.mm	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/platform/graphics/ca/cocoa/PlatformCALayerCocoa.mm	2016-03-10 17:55:19 UTC (rev 197941)
@@ -69,7 +69,7 @@
 #import <WebKitAdditions/LayerBackingStoreAdditions.mm>
 #else
 namespace WebCore {
-static void setBackingStoreFormat(CALayer *, PlatformCALayer::ContentsFormatFlags)
+static void setBackingStoreFormat(CALayer *)
 {
 }
 } // namespace WebCore
@@ -308,7 +308,7 @@
         [m_layer setDelegate:[WebActionDisablingCALayerDelegate shared]];
 
     if (m_layerType == LayerTypeWebLayer || m_layerType == LayerTypeTiledBackingTileLayer)
-        setBackingStoreFormat(m_layer.get(), 0);
+        setBackingStoreFormat(m_layer.get());
 
     // So that the scrolling thread's performance logging code can find all the tiles, mark this as being a tile.
     if (m_layerType == LayerTypeTiledBackingTileLayer)
@@ -545,22 +545,6 @@
     END_BLOCK_OBJC_EXCEPTIONS
 }
 
-void PlatformCALayerCocoa::setContentsFormat(ContentsFormatFlags flags)
-{
-    if (flags == m_contentsFormatFlags)
-        return;
-
-    m_contentsFormatFlags = flags;
-
-    if (usesTiledBackingLayer()) {
-        WebTiledBackingLayer* tiledBackingLayer = static_cast<WebTiledBackingLayer*>(m_layer.get());
-        tiledBackingLayer.tiledBacking->setTileContentsFormatFlags(flags);
-        return;
-    }
-
-    setBackingStoreFormat(m_layer.get(), flags);
-}
-
 FloatRect PlatformCALayerCocoa::bounds() const
 {
     return [m_layer bounds];
@@ -1072,7 +1056,7 @@
     graphicsContext.setIsCALayerContext(true);
     graphicsContext.setIsAcceleratedContext(platformCALayer->acceleratesDrawing());
     
-    if (!layerContents->platformCALayerContentsOpaque() && !(platformCALayer->contentsFormat() & SmoothedFonts)) {
+    if (!layerContents->platformCALayerContentsOpaque()) {
         // Turn off font smoothing to improve the appearance of text rendered onto a transparent background.
         graphicsContext.setShouldSmoothFonts(false);
     }

Modified: trunk/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWin.cpp (197940 => 197941)


--- trunk/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWin.cpp	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWin.cpp	2016-03-10 17:55:19 UTC (rev 197941)
@@ -377,16 +377,6 @@
     setNeedsCommit();
 }
 
-void PlatformCALayerWin::setContentsFormat(ContentsFormatFlags formatFlags)
-{
-    m_contentsFormat = formatFlags;
-}
-
-PlatformCALayer::ContentsFormatFlags PlatformCALayerWin::contentsFormat() const
-{
-    return m_contentsFormat;
-}
-
 FloatRect PlatformCALayerWin::bounds() const
 {
     return CACFLayerGetBounds(m_layer.get());

Modified: trunk/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWin.h (197940 => 197941)


--- trunk/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWin.h	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWin.h	2016-03-10 17:55:19 UTC (rev 197941)
@@ -64,9 +64,6 @@
     bool isOpaque() const override;
     void setOpaque(bool) override;
 
-    void setContentsFormat(ContentsFormatFlags) override;
-    ContentsFormatFlags contentsFormat() const override;
-
     FloatRect bounds() const override;
     void setBounds(const FloatRect&) override;
 
@@ -166,7 +163,6 @@
     HashMap<String, RefPtr<PlatformCAAnimation>> m_animations;
     std::unique_ptr<PlatformCALayerList> m_customSublayers;
     GraphicsLayer::CustomAppearance m_customAppearance;
-    ContentsFormatFlags m_contentsFormat { 0 };
 };
 
 }

Modified: trunk/Source/WebCore/platform/ios/LegacyTileGridTile.mm (197940 => 197941)


--- trunk/Source/WebCore/platform/ios/LegacyTileGridTile.mm	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/platform/ios/LegacyTileGridTile.mm	2016-03-10 17:55:19 UTC (rev 197941)
@@ -28,13 +28,11 @@
 
 #if PLATFORM(IOS)
 
-#include "BlockExceptions.h"
 #include "Color.h"
 #include "LegacyTileCache.h"
 #include "LegacyTileGrid.h"
 #include "LegacyTileLayer.h"
 #include "LegacyTileLayerPool.h"
-#include "PlatformCALayer.h"
 #include "QuartzCoreSPI.h"
 #include "WAKWindow.h"
 #include <algorithm>
@@ -45,7 +43,7 @@
 #import <WebKitAdditions/LayerBackingStoreAdditions.mm>
 #else
 namespace WebCore {
-static void setBackingStoreFormat(CALayer *, PlatformCALayer::ContentsFormatFlags)
+static void setBackingStoreFormat(CALayer *)
 {
 }
 } // namespace WebCore
@@ -73,7 +71,7 @@
         m_tileLayer = adoptNS([[LegacyTileLayer alloc] init]);
     }
     LegacyTileLayer* layer = m_tileLayer.get();
-    setBackingStoreFormat(layer, 0);
+    setBackingStoreFormat(layer);
     [layer setTileGrid:tileGrid];
     [layer setOpaque:m_tileGrid->tileCache().tilesOpaque()];
     [layer setEdgeAntialiasingMask:0];

Modified: trunk/Source/WebCore/rendering/RenderLayerBacking.cpp (197940 => 197941)


--- trunk/Source/WebCore/rendering/RenderLayerBacking.cpp	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebCore/rendering/RenderLayerBacking.cpp	2016-03-10 17:55:19 UTC (rev 197941)
@@ -178,10 +178,6 @@
     graphicsLayer->setAcceleratesDrawing(compositor().acceleratedDrawingEnabled());
     graphicsLayer->setUsesDisplayListDrawing(compositor().displayListDrawingEnabled());
 #endif
-
-    // FIXME: ideally we'd only do this if the layer contains smoothed text.
-    if (GraphicsLayer::supportsSmoothedFontsInNonOpaqueLayers())
-        graphicsLayer->setSupportsSmoothedFonts(true);
     
     return graphicsLayer;
 }

Modified: trunk/Source/WebKit2/ChangeLog (197940 => 197941)


--- trunk/Source/WebKit2/ChangeLog	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebKit2/ChangeLog	2016-03-10 17:55:19 UTC (rev 197941)
@@ -1,3 +1,18 @@
+2016-03-10  Commit Queue  <[email protected]>
+
+        Unreviewed, rolling out r197923.
+        https://bugs.webkit.org/show_bug.cgi?id=155301
+
+        Rolling out this change due to breaking the build and
+        LayoutTests. (Requested by ryanhaddad on #webkit).
+
+        Reverted changeset:
+
+        "Font antialiasing (smoothing) changes when elements are
+        rendered into compositing layers"
+        https://bugs.webkit.org/show_bug.cgi?id=23364
+        http://trac.webkit.org/changeset/197923
+
 2016-03-10  Chris Dumez  <[email protected]>
 
         Speculative revalidation requests do not have their 'first party for cookies' URL set

Modified: trunk/Source/WebKit2/Shared/mac/RemoteLayerTreeTransaction.h (197940 => 197941)


--- trunk/Source/WebKit2/Shared/mac/RemoteLayerTreeTransaction.h	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebKit2/Shared/mac/RemoteLayerTreeTransaction.h	2016-03-10 17:55:19 UTC (rev 197941)
@@ -87,8 +87,7 @@
         FiltersChanged                  = 1LLU << 32,
         AnimationsChanged               = 1LLU << 33,
         EdgeAntialiasingMaskChanged     = 1LLU << 34,
-        ContentsFormatFlagsChanged      = 1LLU << 35,
-        CustomAppearanceChanged         = 1LLU << 36,
+        CustomAppearanceChanged         = 1LLU << 35,
     };
     typedef uint64_t LayerChange;
 
@@ -154,7 +153,6 @@
         WebCore::Color backgroundColor;
         WebCore::Color borderColor;
         unsigned edgeAntialiasingMask;
-        WebCore::PlatformCALayer::ContentsFormatFlags contentsFormatFlags;
         WebCore::GraphicsLayer::CustomAppearance customAppearance;
         WebCore::PlatformCALayer::FilterType minificationFilter;
         WebCore::PlatformCALayer::FilterType magnificationFilter;

Modified: trunk/Source/WebKit2/Shared/mac/RemoteLayerTreeTransaction.mm (197940 => 197941)


--- trunk/Source/WebKit2/Shared/mac/RemoteLayerTreeTransaction.mm	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebKit2/Shared/mac/RemoteLayerTreeTransaction.mm	2016-03-10 17:55:19 UTC (rev 197941)
@@ -211,9 +211,6 @@
     if (changedProperties & OpaqueChanged)
         encoder << opaque;
 
-    if (changedProperties & ContentsFormatFlagsChanged)
-        encoder << contentsFormatFlags;
-
     if (changedProperties & MaskLayerChanged)
         encoder << maskLayerID;
 
@@ -377,11 +374,6 @@
             return false;
     }
 
-    if (result.changedProperties & ContentsFormatFlagsChanged) {
-        if (!decoder.decode(result.contentsFormatFlags))
-            return false;
-    }
-
     if (result.changedProperties & MaskLayerChanged) {
         if (!decoder.decode(result.maskLayerID))
             return false;

Modified: trunk/Source/WebKit2/WebProcess/WebPage/mac/PlatformCALayerRemote.cpp (197940 => 197941)


--- trunk/Source/WebKit2/WebProcess/WebPage/mac/PlatformCALayerRemote.cpp	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebKit2/WebProcess/WebPage/mac/PlatformCALayerRemote.cpp	2016-03-10 17:55:19 UTC (rev 197941)
@@ -401,20 +401,6 @@
     m_properties.notePropertiesChanged(RemoteLayerTreeTransaction::MaskLayerChanged);
 }
 
-void PlatformCALayerRemote::setContentsFormat(ContentsFormatFlags formatFlags)
-{
-    if (formatFlags == m_properties.contentsFormatFlags)
-        return;
-
-    m_properties.contentsFormatFlags = formatFlags;
-    m_properties.notePropertiesChanged(RemoteLayerTreeTransaction::ContentsFormatFlagsChanged);
-}
-
-PlatformCALayer::ContentsFormatFlags PlatformCALayerRemote::contentsFormat() const
-{
-    return m_properties.contentsFormatFlags;
-}
-
 void PlatformCALayerRemote::setClonedLayer(const PlatformCALayer* layer)
 {
     if (isEquivalentLayer(layer, m_properties.clonedLayerID))

Modified: trunk/Source/WebKit2/WebProcess/WebPage/mac/PlatformCALayerRemote.h (197940 => 197941)


--- trunk/Source/WebKit2/WebProcess/WebPage/mac/PlatformCALayerRemote.h	2016-03-10 17:46:06 UTC (rev 197940)
+++ trunk/Source/WebKit2/WebProcess/WebPage/mac/PlatformCALayerRemote.h	2016-03-10 17:55:19 UTC (rev 197941)
@@ -76,9 +76,6 @@
     bool isOpaque() const override;
     void setOpaque(bool) override;
 
-    void setContentsFormat(ContentsFormatFlags) override;
-    ContentsFormatFlags contentsFormat() const override;
-
     WebCore::FloatRect bounds() const override;
     void setBounds(const WebCore::FloatRect&) override;
 
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