[winswitch] testing required: OpenGL client rendering

Nick Burrett nick at sqrt.co.uk
Sun Apr 7 09:31:40 BST 2013


Sorry, no, doing that just broken OpenGL-accelerate.  So it appears that
with OpenGL enabled, the double-buffering is often the previous buffer when
moving through menus or doing any sort of window updates.

On 7 April 2013 09:26, Nick Burrett <nick at sqrt.co.uk> wrote:

> I fixed this by upgrading the Python OpenGL-accelerate module:
>
> easy_install OpenGL-accelerate
>
>
> On 7 April 2013 09:07, Nick Burrett <nick at sqrt.co.uk> wrote:
>
>> I'm trying this out with the xfce4 terminal - /usr/bin/Terminal on Ubuntu
>> quantal (12.10)
>>
>> Rendering is certainly faster, however just moving the mouse across the
>> various menu items at the top of the window will flick between the current
>> image and a previous window image and will regularly produce this:
>>
>> 2013-04-07 09:03:51,306 OpenGL Version: 4.2.11903 Compatibility Profile
>> Context
>> 2013-04-07 09:03:51,333 GL Extension GL_ARB_shader_objects available
>> 2013-04-07 09:03:51,353 GL Extension GL_ARB_fragment_program available
>> 2013-04-07 09:03:51,353 GL Extension GL_ARB_texture_rectangle available
>> 2013-04-07 09:03:51,354 GL Extension GL_ARB_vertex_program available
>> 2013-04-07 09:04:00,139 Attached to ssh:devbox:100 (press Control-C to
>> detach)
>>
>> 2013-04-07 09:05:00,204 do_paint_rgb24 error
>> Traceback (most recent call last):
>>   File "/usr/local/lib/python2.7/dist-packages/xpra/window_backing.py",
>> line 371, in do_paint_rgb24
>>     self._do_paint_rgb24(img_data, x, y, width, height, rowstride,
>> options, callbacks)
>>   File
>> "/usr/local/lib/python2.7/dist-packages/xpra/gl/gl_window_backing.py", line
>> 181, in _do_paint_rgb24
>>     self.gl_end(drawable)
>>   File
>> "/usr/local/lib/python2.7/dist-packages/xpra/gl/gl_window_backing.py", line
>> 127, in gl_end
>>     if drawable.is_double_buffered():
>> AttributeError: 'NoneType' object has no attribute 'is_double_buffered'
>>
>>
>> On 16 March 2013 14:35, Antoine Martin <antoine at nagafix.co.uk> wrote:
>>
>>> Hi,
>>>
>>> The OpenGL client rendering has been enabled again, and this time it
>>> looks like it should work in almost all cases (the "nouveau" driver on
>>> Linux is blacklisted however - and OSX is unlikely to be supported).
>>> Please give it a whirl and report any display visual artifacts / bugs so
>>> that the 0.9.0 release can include it enabled by default, more details
>>> here:
>>> http://xpra.org/trac/wiki/ClientRendering#OpenGLNotes
>>> Updated beta packages here:
>>> http://xpra.org/beta/
>>>
>>> Thanks
>>> Antoine
>>> _______________________________________________
>>> shifter-users mailing list
>>> shifter-users at lists.devloop.org.uk
>>> http://lists.devloop.org.uk/mailman/listinfo/shifter-users
>>>
>>
>>
>



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