Re: [Chromium-users] Re: [Chromium-dev] Raptor released

[Mike H. <mho...@gr...>]

I just reread the GLX_ARB_get_proc_address extension.  Obviously, I 
should be using that...

Why Chromium is choking on a bad drawable is a separate issue...  That 
one I'll probably need help tracking since I don't have an Nvidia 
cluster to test on.

-Mike

Mike Houston wrote:

> Hmmm...  For linux, I use glXGetProcAddress which should be everywhere. 
>  On windows, wglGetProcAddress *should* work.  Does anyone know what the 
> standard really is here?
> 
> If GetProcAddressARB works for everyone, that's an easy code fix.
> 
> Dave: Which lines in the raptor code are you changing?
> 
> Thanks,
> Mike
> 
> David Jones wrote:
> 
>> Ok, now I got it working.  It seemed like GetProcAddress isn't in my 
>> GL distro, but GetProcAddressARB is.  Since GetProcAddress is defined 
>> in the linked cr libs, that was getting invoked and subsequentally 
>> calling the chromium stuff.
>>
>> So a non-cr run of raptor *does* work for me when I change 
>> GetProcAddress to GetProcAddressARB.
>>
>> Weird.
>>
>> -Dave
>>
>>
>> On Mon, 19 Jul 2004, Mike Houston wrote:
>>
>>
>>> If you don't feed it "CR" at the end of the command line, there 
>>> should be no chromium stuff loaded.  At least it runs that way for 
>>> me.  Are you using Nvidia's GL library or Chromium's?
>>>
>>> -Mike
>>>
>>> David Jones wrote:
>>>
>>>
>>>> I started that from the command line - no mothership.  Since it's 
>>>> linked against the Cr libs, I'm guessing that the crfaker lib is 
>>>> invoking its opengl stub stuff.
>>>>
>>>> I don't know a way of getting around this without fiddling with 
>>>> raptor code..
>>>>
>>>> -Dave
>>>>
>>>>
>>>> On Mon, 19 Jul 2004, Mike Houston wrote:
>>>>
>>>>
>>>>
>>>>> Can you send me a run not using Chromium?
>>>>>
>>>>> -Mike
>>>>>
>>>>> David Jones wrote:
>>>>>
>>>>>
>>>>>
>>>>>> Yeah, this is an FX board (5900 Ultra on Linux) that supports 
>>>>>> GL_ARB_fragment_program and GL_ARB_vertex_program.
>>>>>>
>>>>>> I've attached the output of a run.  I double checked the paths to 
>>>>>> everything and those seem to look ok.
>>>>>>
>>>>>> -Dave
>>>>>>
>>>>>> On Mon, 19 Jul 2004, Mike Houston wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>> I'm willing to bet the some of the extensions failed to load, but 
>>>>>>> it should have assert failed...  What type of Nvidia board is 
>>>>>>> it?  Raptor requires an NV30+.  There are some known issues with 
>>>>>>> the latest Nvidia drivers, but they shouldn't be causing failures 
>>>>>>> with local rendering.
>>>>>>>
>>>>>>> Can you send me the output of Raptor please?  I'll try to take a 
>>>>>>> guess at what I might think is happening.  When I get back in 
>>>>>>> town, I'll try to track down an Nvidia board I can run in my 
>>>>>>> Linux box and see if I can track down these errors.  Things seem 
>>>>>>> to work fine with Nvidia hardware under Windows...
>>>>>>>
>>>>>>> -Mike
>>>>>>>
>>>>>>>
>>>>>>> David Jones wrote:
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>> I gave this a shot on some of our machines.  Running it locally 
>>>>>>>> without any chromium gives me a blank window.  Running the 
>>>>>>>> raptor_1.conf config starts the app. but quickly bails with the 
>>>>>>>> crserver dumping:
>>>>>>>>
>>>>>>>> CR Debug(nitrogen:3568): Done calling crTCPIPConnection
>>>>>>>> CR Debug(nitrogen:3568): Done connecting to server.
>>>>>>>> CR Debug(nitrogen:3568): Received a drawable: 35651585
>>>>>>>> X Error of failed request:  BadMatch (invalid parameter attributes)
>>>>>>>> Major opcode of failed request:  144 (GLX)
>>>>>>>> Minor opcode of failed request:  5 (X_GLXMakeCurrent)
>>>>>>>> Serial number of failed request:  30
>>>>>>>> Current serial number in output stream:  30
>>>>>>>>
>>>>>>>> I've tried the raptor_1.conf with both a local and remote 
>>>>>>>> 'crappfaker'.  I'm using a Nvidia 5900 Ultra with the 61.06 
>>>>>>>> Linux drivers.
>>>>>>>>
>>>>>>>> I've also run raptor on my home desktop (Radeon 9600) under 
>>>>>>>> windows and it seems to work fine there.
>>>>>>>>
>>>>>>>> -Dave
>>>>>>>>
>>>>>>>>
>>>>>>>> On Sat, 17 Jul 2004, Mike Houston wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>> I very happy to announce that Raptor, the parallel volume 
>>>>>>>>> rendering system written at Stanford using Chromium, has been 
>>>>>>>>> released.
>>>>>>>>>
>>>>>>>>> http://graphics.stanford.edu/raptor
>>>>>>>>>
>>>>>>>>> The source code, (limited) documentation, and some (large) 
>>>>>>>>> datasets are available.  Give it a go and let me know if there 
>>>>>>>>> are any issues.  This has not been thoroughly tested on Nvidia 
>>>>>>>>> based clusters, so I'm curious how that will go.
>>>>>>>>>
>>>>>>>>> -Mike
>>>>>>>>>
>>>>>>>>>
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>>>>>>>>
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> 
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