[winswitch] testing required: OpenGL client rendering

Nick Burrett nick at sqrt.co.uk
Sun Apr 7 09:07:16 BST 2013

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
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

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,
"/usr/local/lib/python2.7/dist-packages/xpra/gl/gl_window_backing.py", line
181, in _do_paint_rgb24
"/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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