[Webkit-unassigned] [Bug 98660] New: RenderBoxModelObject::paintTranslucentBorderSides() creates needless transparency layers
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Mon Oct 8 09:54:22 PDT 2012
https://bugs.webkit.org/show_bug.cgi?id=98660
Summary: RenderBoxModelObject::paintTranslucentBorderSides()
creates needless transparency layers
Product: WebKit
Version: 528+ (Nightly build)
Platform: Unspecified
OS/Version: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: Layout and Rendering
AssignedTo: webkit-unassigned at lists.webkit.org
ReportedBy: tomhudson at google.com
The code that computes useTransparencyLayer doesn't pay attention to edges[i].shouldRender(), but paintBorderSides() does.
So we can call beginTransparencyLayer() and endTransparencyLayer() - which can cost tens of ms on some platforms if the layers are large - but render nothing to the layer we so carefully create and painstakingly blend.
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