[Paraview] Errors with GPU-based volume rendering

[Paul Melis]

Hi Paul,

That workaround indeed does the trick for me as well...

Thanks!
Paul

On 12/01/11 00:15, Paul McIntosh wrote:
> Paul,
>
> I see this issue and have yet to try and debug what is going on. However I
> have a workaround -  try saving state even though you see a "pink blob" then
> reload the state. I find it works every time - obviously I wish this not to
> happen at all so I'll provide a test case as soon as I can.
>
> Below is some of the error messages I see just FYI
>
> Cheers,
>
> Paul
>
> after uniforms for textures ERROR (x501) Invalid value
> framebuffer has an attachment error
> framebuffer has an attachment error
> SetupRender ERROR (x506) invalid framebuffer operation ext
> framebuffer has an attachment error
> framebuffer has an attachment error
> after uniforms for textures ERROR (x501) Invalid value
> framebuffer has an attachment error
> framebuffer has an attachment error
> SetupRender ERROR (x506) invalid framebuffer operation ext
> framebuffer has an attachment error
> framebuffer has an attachment error
> after uniforms for textures ERROR (x501) Invalid value
> framebuffer has an attachment error
> framebuffer has an attachment error
> SetupRender ERROR (x506) invalid framebuffer operation ext
> framebuffer has an attachment error
> framebuffer has an attachment error
> after uniforms for textures ERROR (x501) Invalid value
> framebuffer has an attachment error
> framebuffer has an attachment error
> SetupRender ERROR (x506) invalid framebuffer operation ext
> framebuffer has an attachment error
> framebuffer has an attachment error
> after uniforms for textures ERROR (x501) Invalid value
> framebuffer has an attachment error
> framebuffer has an attachment error
>
>
>
> -----Original Message-----
> From: paraview-bounces at paraview.org [mailto:paraview-bounces at paraview.org]
> On Behalf Of David E DeMarle
> Sent: Thursday, 1 December 2011 1:47 AM
> To: paul.melis at sara.nl
> Cc: paraview at paraview.org
> Subject: Re: [Paraview] Errors with GPU-based volume rendering
>
> Sounds like a bug then if 3.8 works and>3.8 doesn't on the same setup. It
> suspect it is in the new rendering architecture that was introduced with
> 3.10.
>
> Please file a bug report with enough information to reproduce the problem so
> that we can keep an eye on it.
>
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 21 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-881-4909
>
>
>
> On Thu, Nov 24, 2011 at 3:19 AM, Paul Melis<paul.melis at sara.nl>  wrote:
>> On 11/22/2011 10:08 AM, Paul Melis wrote:
>>> Is this a problem with my local setup? If so, are there tests I can
>>> do to figure out what's wrong?
>> I did some more testing and it is not a problem with my local setup,
>> as I can get correct GPU-based volume rendering with PV 3.12.0 in the
>> following two situations:
>>
>> * Running PV standalone on a render node under VirtualGL, accessed
>> through VNC
>> * Running 1 pvserver on a render node with forced remote rendering
>> (remote rendering threshold enabled and set to 0)
>>
>> However, when I try to use 2 or 4 pvservers (one per render node) I
>> get the purple-square-screwed-up rendering, both with 3.10.1 and 3.12.0.
>>
>> Surprisingly, with 3.8.1 when using 2 or 4 pvservers the GPU-based
>> rendering works...
>>
>> Regards,
>> Paul
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