[Webkit-unassigned] [Bug 209326] [iOS] Images are not crisp in LayoutTests

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Mar 19 21:38:47 PDT 2020


https://bugs.webkit.org/show_bug.cgi?id=209326

--- Comment #8 from Myles C. Maxfield <mmaxfield at apple.com> ---
The drawing has this backtrace:

...
    frame #30: 0x000000043cb4dc84 WebCore`WebCore::RenderLayer::paintLayerContents(this=0x000000045e15e5c0, context=0x000000045e1bdae0, paintingInfo=0x00007ffeecba0010, paintFlags=(m_storage = 96)) at RenderLayer.cpp:4716:13
    frame #31: 0x000000043cb91529 WebCore`WebCore::RenderLayerBacking::paintIntoLayer(this=0x00007ffeecba00f8, layer=0x000000045e15e5c0, paintFlags=(m_storage = 96))::$_5::operator()(WebCore::RenderLayer&, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag>) const at RenderLayerBacking.cpp:2910:19
    frame #32: 0x000000043cb90ddf WebCore`WebCore::RenderLayerBacking::paintIntoLayer(this=0x000000045e1f1540, graphicsLayer=0x000000045e159000, context=0x000000045e1bdae0, paintDirtyRect=0x00007ffeecba02e0, paintBehavior=(m_storage = 0), eventRegionContext=0x0000000000000000) at RenderLayerBacking.cpp:2927:5
    frame #33: 0x000000043cb927df WebCore`WebCore::RenderLayerBacking::paintContents(this=0x000000045e1f1540, graphicsLayer=0x000000045e159000, context=0x000000045e1bdae0, clip=0x00007ffeecba0360, layerPaintBehavior=0) at RenderLayerBacking.cpp:3135:9
    frame #34: 0x000000043c63e064 WebCore`WebCore::GraphicsLayer::paintGraphicsLayerContents(this=0x000000045e159000, context=0x000000045e1bdae0, clip=0x00007ffeecba0708, layerPaintBehavior=0) at GraphicsLayer.cpp:516:14
    frame #35: 0x000000043c6bf495 WebCore`WebCore::GraphicsLayerCA::platformCALayerPaintContents(this=0x000000045e159000, (null)=0x000000045e15b200, context=0x000000045e1bdae0, clip=0x00007ffeecba0708, layerPaintBehavior=0) at GraphicsLayerCA.cpp:1717:5
    frame #36: 0x000000043a862df2 WebCore`WebCore::PlatformCALayer::drawLayerContents(graphicsContext=0x000000045e1bdae0, platformCALayer=0x000000045e15b200, dirtyRects=0x00007ffeecba06f8, layerPaintBehavior=0) at PlatformCALayerCocoa.mm:1217:28
    frame #37: 0x000000043c6dd52b WebCore`WebCore::TileGrid::platformCALayerPaintContents(this=0x000000046a9df000, platformCALayer=0x000000045e1dfb70, context=0x000000045e1bdae0, (null)=0x00007ffeecba0918, layerPaintBehavior=0) at TileGrid.cpp:733:9
    frame #38: 0x00000004208633b1 WebKit`WebKit::RemoteLayerBackingStore::drawInContext(this=0x000000045e1678b8, context=0x000000045e1bdae0, backImage=0x0000000000000000) at RemoteLayerBackingStore.mm:353:27
    frame #39: 0x00000004208628f2 WebKit`WebKit::RemoteLayerBackingStore::display(this=0x000000045e1678b8) at RemoteLayerBackingStore.mm:283:13
    frame #40: 0x000000042165bf2d WebKit`WebKit::PlatformCALayerRemote::recursiveBuildTransaction(this=0x000000045e1dfb70, context=0x000000045e1982f0, transaction=0x00007ffeecba14c0) at PlatformCALayerRemote.cpp:180:102
    frame #41: 0x000000042165c1d4 WebKit`WebKit::PlatformCALayerRemote::recursiveBuildTransaction(this=0x000000045e1df7a0, context=0x000000045e1982f0, transaction=0x00007ffeecba14c0) at PlatformCALayerRemote.cpp:202:15
    frame #42: 0x000000042165c1d4 WebKit`WebKit::PlatformCALayerRemote::recursiveBuildTransaction(this=0x000000045e15b200, context=0x000000045e1982f0, transaction=0x00007ffeecba14c0) at PlatformCALayerRemote.cpp:202:15
    frame #43: 0x000000042165c1d4 WebKit`WebKit::PlatformCALayerRemote::recursiveBuildTransaction(this=0x000000045e1df5b8, context=0x000000045e1982f0, transaction=0x00007ffeecba14c0) at PlatformCALayerRemote.cpp:202:15
    frame #44: 0x000000042165c1d4 WebKit`WebKit::PlatformCALayerRemote::recursiveBuildTransaction(this=0x000000045e16b000, context=0x000000045e1982f0, transaction=0x00007ffeecba14c0) at PlatformCALayerRemote.cpp:202:15
    frame #45: 0x00000004212067e7 WebKit`WebKit::RemoteLayerTreeContext::buildTransaction(this=0x000000045e1982f0, transaction=0x00007ffeecba14c0, rootLayer=0x000000045e16b000) at RemoteLayerTreeContext.mm:158:21
    frame #46: 0x0000000420395e48 WebKit`WebKit::RemoteLayerTreeDrawingArea::updateRendering(this=0x000000045e16d000) at RemoteLayerTreeDrawingArea.mm:363:31
...

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