[Interest] High-dpi fixing for Qt 5.5

Sorvig Morten Morten.Sorvig at theqtcompany.com
Wed Mar 25 13:45:52 CET 2015


> On 24 Mar 2015, at 15:05, Till Oliver Knoll <till.oliver.knoll at gmail.com> wrote:
> 
> 
> [self  setWantsBestResolutionOpenGLSurface:YES];
> 
> If you don't opt in, the system magnifies the rendered results."

Note that Qt opts in for you and calls the above API. Disabling it will most likely work around the “rendering to one quarter of the screen” issue. If you grep for “setWantsBestResolutionOpenGLSurface” in the Qt sources then your Qt version may have an environment variable to toggle it.

Morten


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