[winswitch] Xpra GL and gtkglext woes

[Antoine Martin]

On 06/03/18 11:55, Ben Sferrazza via shifter-users wrote:
> On Mon, Mar 5, 2018 at 8:10 PM, Antoine Martin via shifter-users <
> shifter-users at lists.devloop.org.uk> wrote:
> 
>> On 06/03/18 05:02, Ben Sferrazza via shifter-users wrote:
>>> Figured I'd add the Xorg log file, with the Modeline lines stripped out.
>>> Not sure why it's trying to load libinput when it's using the dummy_mouse
>>> and dummy_keyboard.
>>>
>> (..)
>>> [3017181.009] (II) LoadModule: "void"
>>> [3017181.010] (WW) Warning, couldn't open module void
>> Are you sure that you are using the current xorg.conf from xpra?
>> We have stopped using the "void" module a long time ago.
>>
> 
> I was using the one linked to on the Xdummy wiki page. I now just replaced
> it with (...)/etc/xpra/xorg.conf. No more void module errors, but I do see
> these.
> 
> [3040183.094] (II) LoadModule: "mouse"
> [3040183.095] (WW) Warning, couldn't open module mouse
> [3040183.095] (II) UnloadModule: "mouse"
> [3040183.095] (II) Unloading mouse
> [3040183.095] (EE) Failed to load module "mouse" (module does not exist, 0)
> [3040183.095] (EE) No input driver matching `mouse'
> [3040183.095] (II) Falling back to input driver `libinput'
> [3040183.095] (II) LoadModule: "libinput"
> [3040183.096] (WW) Warning, couldn't open module libinput
> [3040183.096] (II) UnloadModule: "libinput"
> [3040183.096] (II) Unloading libinput
> [3040183.096] (EE) Failed to load module "libinput" (module does not exist,
> 0)
> [3040183.096] (II) LoadModule: "kbd"
> [3040183.098] (WW) Warning, couldn't open module kbd
> [3040183.098] (II) UnloadModule: "kbd"
> [3040183.098] (II) Unloading kbd
> [3040183.098] (EE) Failed to load module "kbd" (module does not exist, 0)
> [3040183.098] (EE) No input driver matching `kbd'
> [3040183.098] (II) Falling back to input driver `libinput'
> [3040183.098] (II) LoadModule: "libinput"
> [3040183.099] (WW) Warning, couldn't open module libinput
> [3040183.099] (II) UnloadModule: "libinput"
> [3040183.099] (II) Unloading libinput
> [3040183.099] (EE) Failed to load module "libinput" (module does not exist,
> 0)
Never mind, I've checked my latest log files and I see the same thing.
We don't specify those devices but they must be default settings.
>> (..)
>>> [3017181.013] (WW) DUMMY(0): Option "ConstantDPI" is not used
>> You may want to apply our "constant DPI" patch for better DPI support
>> with applications that calculate a "hardware DPI".
>>
> 
> OK thanks for the suggestion. I see quite a few patches there as part of
> ticket 163. Any particular ones I should apply given the system I described
> in my first email?
Assuming that you've built the latest 0.3.8 version of the dummy driver,
then the only patch you need on top of that is the "constant dpi" patch:
https://xpra.org/trac/attachment/ticket/163/0002-Constant-DPI.patch
(note: this only benefits some applications - most notably Java ones)

Cheers
Antoine