Re: [Discuss-gnuradio] opengl "persistence" error

[Josh Blum]

On 04/01/2011 07:43 AM, Arturo Rinaldi wrote:
> Every time I tick the "Persistence" box in one of the scopes i get this
> error :
> 
> Traceback (most recent call last):
>   File
> "/usr/local/lib/python2.6/dist-packages/gnuradio/wxgui/plotter/plotter_base.py",
> line 192, in _on_paint
>     GL.glAccum(GL.GL_LOAD, 1.0)
>   File "/usr/lib/pymodules/python2.6/OpenGL/error.py", line 208, in
> glCheckError
>     baseOperation = baseOperation,
> OpenGL.error.GLError: GLError(
>     err = 1282,
>     description = 'invalid operation',
>     baseOperation = glAccum,
>     cArguments = (GL_LOAD, 1.0)
> )
> 

It happens on all of my computers too. I think the persistence uses a
hardware feature that is not widely implemented. -Josh

> i have correctly installed my ati catalyst drivers on my laptop (latest
> version). My laptop GPU is a Radeon HD4570 and my OS Ubuntu 10.10. I
> compiled and installed from source gnuradio v. 3.3.0.
> 
> Regards
> 
>          Arturo Rinaldi
> 
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