[Bug 77436] KDE Konsole very slow scrolling with TearFree and QT graphics system native

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77436

--- Comment #162 from Chris Wilson <chris at chris-wilson.co.uk> ---
On a GT2 ivb with dual channel I get @1024x768:

Testing a8r8g8b8 with Src: ref=0.336485, out=0.397242
Testing x8r8g8b8 with Src: ref=0.339070, out=0.389645
Testing a8r8g8b8 with Over: ref=1.031118, out=0.350234
Testing x8r8g8b8 with Over: ref=0.339027, out=0.386291

which more closely match your results. Maybe not quite the lead I hoped. Time
to ponder again.

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