Use native graphics system

[Tommi Tervo]

On Sun, Jan 8, 2012 at 9:43 AM, Peter Penz <peter.penz19 at gmail.com> wrote:
> Am 08.01.2012 um 03:04 schrieb Thiago Macieira <thiago at kde.org>:
>> If there were problems with the raster graphics system, which had been enabled
>> in Qt 4.8 for over 12 months before the release, why weren't they reported? Or
>> are the reports still unfixed?
>
> I don't know what Tommi means with "rendering glitches, etc" - my (reverted) patch was only based on my obviously wrong assumption that smooth scaling of pixmaps is always slow with the raster graphicssystem.

I was hoping that SadEagle would have commented also, I remember him
complaining about this issue, we'll lose accelerated image processing?
when using raster backend.

Raster is many times slower on my laptop than native (OSS radeon
driver).  Web page scrolling is abrupt and causing e.g. following
bugs:

http://www.puuppa.org/~teve/crap_font.png

https://bugs.kde.org/show_bug.cgi?id=290371

BR,

Teve