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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks for the info, I’m going to have to pause investigation on this for a bit. When I pick up the investigation again, I think I’ll also see if the latest
wincairo exhibits the same issue just to rule out any missing fixes (unless one of you have a recent build handy you can quickly validate?) If wincairo is still reproducing the issue then I’m confident that we have some missing implementation to fill in on
our end. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Chris<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Brent Fulgham [mailto:bfulgham@gmail.com]
<br>
<b>Sent:</b> Thursday, July 30, 2015 2:38 PM<br>
<b>To:</b> Myles C. Maxfield; achristensen@apple.com<br>
<b>Cc:</b> Vienneau, Christopher; Webkit Development List<br>
<b>Subject:</b> Re: [webkit-dev] border-radius lost when applying -webkit-filter<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I'll see if I can reproduce this using our Apple Windows port, which also uses GraphicsLayerCA, though one based on Windows graphics primitives.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">The WinCairo compositor is based on the OpenGL ES backend, via the ANGLE library. Alex Christensen knows more about how that works.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-Brent<o:p></o:p></p>
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<p class="MsoNormal"><br>
Sent from my iPad<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
On Jul 30, 2015, at 2:26 PM, Myles C. Maxfield <<a href="mailto:mmaxfield@apple.com">mmaxfield@apple.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">I'm testing on the Mac OS X port, which uses GraphicsLayerCA.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Sounds like a bug with whichever compositor the win-cairo port is using, which I am not familiar with.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">--Myles<o:p></o:p></p>
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<p class="MsoNormal">On Jul 29, 2015, at 10:24 AM, Vienneau, Christopher <<a href="mailto:cvienneau@ea.com">cvienneau@ea.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks Myles,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Before I go through the effort of re-integrating, a few questions about your test:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Which port are you testing on? I had been able to repro in our demo and the win-cairo demo (both using the 179714 build). </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Are you are using the GraphicsLayerCA as I mentioned below? If so regardless that your version is newer than mine, it *<b>might</b>* be why it’s working.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Chris</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Myles
C. Maxfield [<a href="mailto:mmaxfield@apple.com">mailto:mmaxfield@apple.com</a>]<span class="apple-converted-space"> </span><br>
<b>Sent:</b><span class="apple-converted-space"> </span>Tuesday, July 28, 2015 5:36 PM<br>
<b>To:</b><span class="apple-converted-space"> </span>Vienneau, Christopher<br>
<b>Cc:</b><span class="apple-converted-space"> </span>Webkit Development List<br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: [webkit-dev] border-radius lost when applying -webkit-filter</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">This works for me using the latest ToT build. I would recommend updating your source tree.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">--Myles<o:p></o:p></p>
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<p class="MsoNormal">On Jul 28, 2015, at 4:52 PM, Vienneau, Christopher <<a href="mailto:cvienneau@ea.com"><span style="color:purple">cvienneau@ea.com</span></a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Hi,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">I’m on a slightly older pull from WebKit trunk (179714) and I’m seeing this issue where border radius is lost if a css filter is also applied. My sample page looks like this:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"><!DOCTYPE html></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"><html></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"><title>Basic CSS Filters</title></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"><head>Basic CSS Filters</head></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"><style></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif">#pic {</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"> border-radius: 10px;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"> -webkit-filter: sepia(0.8);</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif">}</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"></style></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"><body></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"><div></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"> <img id="pic" src="testImage.jpg"></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"></div></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"></body></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"></html></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">When I run with the above code the image is rendered with the Sepi filter, but the border radius is not applied. If I comment out the filter the image is properly rendered
with the border radius applied. By debugging I can see that a different code path is followed in the two cases. <span class="apple-converted-space"> </span></span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Without the filter</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">> WebKitd.dll!WebCore::GraphicsContext::clip(const WebCore::Path & path, WebCore::WindRule windRule) Line 951 C++</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> WebKitd.dll!WebCore::GraphicsContext::clipRoundedRect(const WebCore::FloatRoundedRect & rect) Line 586 C++</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> WebKitd.dll!WebCore::RenderBoxModelObject::clipRoundedInnerRect(WebCore::GraphicsContext * context, const WebCore::FloatRect & rect, const WebCore::FloatRoundedRect
& clipRect) Line 540 C++</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> WebKitd.dll!WebCore::RenderReplaced::paint(WebCore::PaintInfo & paintInfo, const WebCore::LayoutPoint & paintOffset) Line 180 C++</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">…</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">we get into<span class="apple-converted-space"> </span></span><span style="font-size:9.5pt;font-family:Consolas;background:white">clipRoundedInnerRect</span><span class="apple-converted-space"><span style="font-size:9.5pt;font-family:Consolas"> </span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">which
goes into the code which can perform the clipping operation, and all works as expected.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">With the Filter (3 callstacks below):</span></b><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">> WebKitd.dll!WebCore::GraphicsLayer::setContentsClippingRect(const WebCore::FloatRoundedRect & roundedRect) Line 377 C++</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> WebKitd.dll!WebCore::RenderLayerBacking::updateImageContents() Line 1960 C++</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> WebKitd.dll!WebCore::RenderLayerBacking::updateConfiguration() Line 595 C++</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> WebKitd.dll!WebCore::RenderLayerCompositor::rebuildCompositingLayerTree(WebCore::RenderLayer & layer, WTF::Vector<WebCore::GraphicsLayer *,0,WTF::CrashOnOverflow>
& childLayersOfEnclosingLayer, int depth) Line 1522 C++</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">…</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">> WebKitd.dll!WebCore::GraphicsLayer::setContentsClippingRect(const WebCore::FloatRoundedRect & roundedRect) Line 377 C++</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> WebKitd.dll!WebCore::RenderLayerBacking::resetContentsRect() Line 1124 C++</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> WebKitd.dll!WebCore::RenderLayerBacking::updateAfterDescendants() Line 1003 C++</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> WebKitd.dll!WebCore::RenderLayerCompositor::rebuildCompositingLayerTree(WebCore::RenderLayer & layer, WTF::Vector<WebCore::GraphicsLayer *,0,WTF::CrashOnOverflow>
& childLayersOfEnclosingLayer, int depth) Line 1609 C++</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">…</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">> WebKitd.dll!WebCore::GraphicsLayer::setContentsClippingRect(const WebCore::FloatRoundedRect & roundedRect) Line 377 C++</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> WebKitd.dll!WebCore::RenderLayerBacking::resetContentsRect() Line 1124 C++</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> WebKitd.dll!WebCore::RenderLayerBacking::updateAfterDescendants() Line 1003 C++</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> WebKitd.dll!WebCore::RenderLayerCompositor::updateCompositingDescendantGeometry(WebCore::RenderLayer & compositingAncestor, WebCore::RenderLayer & layer, bool
compositedChildrenOnly) Line 1862 C++</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">…</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">In this path we never call<span class="apple-converted-space"> </span></span><span style="font-size:9.5pt;font-family:Consolas;background:white">clipRoundedInnerRect</span><span style="font-size:9.5pt;font-family:Consolas">,<span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">we
do however call setContentsClippingRect with what looks like appropriate parameters to do what we would want. However upon investigation it appears that this data is not used by anything. Looking at other ports it seems that GraphicsLayerCA.cpp may be making
use of this data in its clipping technique.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Looking for fixes that might already be available I found the two below interesting, however note that I already have these in the change that we last took. They just sounds
extremely similar to what I’m describing.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><a href="http://trac.webkit.org/changeset/179147"><span style="color:#954F72">http://trac.webkit.org/changeset/179147</span></a></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><a href="http://trac.webkit.org/changeset/175794"><span style="color:#954F72">http://trac.webkit.org/changeset/175794</span></a></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">I’m wondering if it can be confirmed that this issue has been a problem for other ports as well? Are there any fixes that address my problem that I may have overlooked? What
if anything needs to be done to support this (is something like what is done in the CA port a requirement?) Any advice on implementing the minimal changes, CA’s changes appear extensive.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Thanks for any advice</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Chris Vienneau</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">_______________________________________________<br>
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<p class="MsoNormal">_______________________________________________<br>
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<a href="https://lists.webkit.org/mailman/listinfo/webkit-dev">https://lists.webkit.org/mailman/listinfo/webkit-dev</a><o:p></o:p></p>
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