[Qt5-feedback] OpenGL ES 2.0 requirement

[Samuel Rødal]

On 06/04/2011 08:09 PM, ext Dmitry Nezhevenko wrote:
> On Fri, Jun 03, 2011 at 09:14:54PM +0200, Konrad Rosenbaum wrote:
>> It means any program based on OpenGL will work in some scenarios, but not in
>> others:
>>
>> Plain Framebuffer: no
>>
>> Framebuffer with Mesa: yes
>>
>> Local X11 session: yes (Mesa will decide whether to use hardware or software
>> rendering)
>>
>> Remote X11 via Krdf as Server to any VNC-Client: yes (no matter whether the
>> X11 uses HW or SW rendering, i just tried it again)
>
> This is not as perfect as it was. At least with Qt. I still remember that
> times of Qt3 when it was possible to use X11 forwarding even through ADSL
> connection. Now Qt4 is maybe slowest toolkit for this. Even Windows apps
> launched with Wine works much faster faster.
>
> And it looks like Qt5 will be even slower...

If someone is really interested in a high-performing remote X11 solution 
it's always possible to implement a custom Lighthouse platform plugin 
optimized for exactly that use case. We do not have the resources 
available to prioritize it unfortunately (especially since optimizing 
remote connections means sacrificing performance for local connections).

--
Samuel