[Development] OpenGL drivers

Robert Knight robertknight at gmail.com
Mon Dec 2 13:41:40 CET 2013

> Just use this where you need native looking text:

Having to put that everywhere a Text {} element is used in a
cross-platform app is ugly. One could wrap this in a custom component
but it shouldn't be necessary for such a basic use case.


On 2 December 2013 11:11, Ziller Eike <Eike.Ziller at digia.com> wrote:
> On Nov 30, 2013, at 10:29 PM, Mark Gaiser <markg85 at gmail.com> wrote:
>> On Fri, Nov 29, 2013 at 7:01 PM, Thiago Macieira
>> <thiago.macieira at intel.com> wrote:
>>> On sexta-feira, 29 de novembro de 2013 12:27:44, Sletta Gunnar wrote:
>>>> So, I'm asking that if you encounter issues with flickering, crashes, bad
>>>> rendering and similar, help us track which things are problematic by filing
>>>> a bugreport on bugreports.qt-project.org and use the label "driverissue" in
>>>> the task. Please  include OS, windowing system, graphics hardware and
>>>> driver version. And since most of the workarounds have been applied to Qt
>>>> 5.2, do test against the 5.2 RC1 or later.
>>> Do you consider fonts looking the wrong size to be bad rendering and a driver
>>> issue? Fonts in the Creator welcome screen look to be of a different size than
>>> the rest of Creator.
>>> I'd consider it a font issue only, not a driver issue.
>> What you refer to are probably the fonts rendered through QML. By
>> default QML renders fonts with the "distance field" stuff [1]. It
>> looks awesome on mobile, but looks horrible on the desktop. This has
>> been known for a while [2] but apparently there is no effort ongoing
>> to improve the situation for the desktop users.
>> Globally setting the "QML_DISABLE_DISTANCEFIELD" variable makes it use
>> the native font system again and makes it look nice:)
> We are already using native text rendering in Qt Creator’s welcome screen, so that won’t change anything for it.
> Br, Eike
>> [1] http://blog.qt.digia.com/blog/2011/07/15/text-rendering-in-the-qml-scene-graph/
>> [2] https://bugreports.qt-project.org/browse/QTBUG-28993
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> --
> Eike Ziller, Senior Software Engineer - Digia, Qt
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