[winswitch] testing required: OpenGL client rendering

[Antoine Martin]

Hi Nick,

Many thanks for the feedback.
The error with menu items should be fixed by this change:
https://www.xpra.org/trac/changeset/3053/xpra

If you still get visual artefacts, you may want to try this patch:

--- src/xpra/gl/gl_check.py    (revision 3046)
+++ src/xpra/gl/gl_check.py    (working copy)
@@ -22,7 +22,7 @@
 def get_DISPLAY_MODE():
     import gtk.gdkgl
     #return  gtk.gdkgl.MODE_RGB | gtk.gdkgl.MODE_DEPTH |
gtk.gdkgl.MODE_DOUBLE
-    return  gtk.gdkgl.MODE_RGB | gtk.gdkgl.MODE_DOUBLE
+    return  gtk.gdkgl.MODE_RGB
 
 #by default, we raise an ImportError as soon as we find something missing:
 def raise_error(msg):

Cheers
Antoine


On 07/04/13 09:31, Nick Burrett wrote:
> 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
>>>>
>>>