GEM-dev April 2007

gem-dev@lists.iem.at

13 participants
15 discussions

Gem (cvs) load error on debian/etch
by B. Bogart 05 Jul '07

05 Jul '07

Hey all, I changed from nvidia's binary driver to the one in the etch repo (8776). Gem compiles (anon cvs update from today), but PD wont load it: /usr/lib/pd/extra/Gem.pd_linux: /usr/lib/pd/extra/Gem.pd_linux: undefined symbol: glUniform2i I've removed the files from the provided-by-nvidia-driver (--uninstall) Could there still be some headers somewhere and its compiling against the wrong opengl stuff? bbogart@insitu:~$ dpkg -l "*nvidia*" | grep ^ii ii nvidia-glx 1.0.8776-3 NVIDIA binary XFree86 4.x driver ii nvidia-kernel-2.6.18-3-686 1.0.8776-3+2.6.18-7 NVIDIA binary kernel module for Linux 2.6.18 ii nvidia-kernel-common 20051028+1 NVIDIA binary kernel module common files ii nvidia-kernel-source 1.0.8776-3 NVIDIA binary kernel module source ii nvidia-settings 1.0+20060516-3 Tool of configuring the NVIDIA graphics driv I'm lost, any suggestions? Attached is my config.log if that helps. Thanks, .b.

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THANK YOU!!!!!!!!!!
by Frank Barknecht 29 May '07

29 May '07

Hi, damn, this new configue option --with-glversion fixed all the problems I had on my Matrox machine! (I didn't yet test the i915 laptop.) Using --with-glversion=1.5 not only lets Gem render again on newest Mesa/DRI, it also gets rid of the crash when closing the Gem window! So, thank you for supporting older and hardware with buggy GL2.0-drivers again. Ciao -- Frank Barknecht _ ______footils.org_ __goto10.org__

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Gem Compiling os x xcode problems
by nosehair911＠bellsouth.net 30 Apr '07

30 Apr '07

I've been trying unsuccessfully to compile Gem with font support for PPC running os 10.4.9. I was able to compile freetype2 and FTGL and got Gem to compile by turning off some things that were not necessary and setting some paths in Xcode but it builds with 91 warnings and when I attempt to load it in pd I get this: /Applications/PD/Pd-0.39.2-extended-test7.app/Contents/Resources/ Scripts/../extra/Gem.pd_darwin: dlopen(/Applications/PD/Pd-0.39.2- extended-test7.app/Contents/Resources/Scripts/../extra/Gem.pd_darwin, 10): Symbol not found: __ZN7GemSIMDD1Ev Referenced from: /Applications/PD/Pd-0.39.2-extended-test7.app/ Contents/Resources/Scripts/../extra/Gem.pd_darwin Expected in: flat namespace Gem: can't load library I turned off the markex stuff, GemDrag, GemOutput, Gemorb, Gemwindow, Gemtablet, orb, orbserial, Gemextwin, some pix linux stuff and pixfilm stuff that it could not find. Thats it. I really need a current version of Gem with font support for my project. I don't really know where to go from here. Would appreciate some help. Thanks, Alain

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fragment_program memory leak?
by chris clepper 24 Apr '07

24 Apr '07

I had a patch which switched between shaders when films load and noticed the memory growing over time. It turns out that sending the 'open' message to fragment_program causes a memory leak. The leak is in both the Pd process and the Tk one too. I have not had the time to hunt it down yet.

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Re: [GEM-dev] drawing lines with GEM
by Frank Barknecht 23 Apr '07

23 Apr '07

Hallo, Isidro Gonzalez hat gesagt: // Isidro Gonzalez wrote: > Thanks for your help, but it doesn?t like > the "curve" object exists, at least in the > GEM distribution I downloaded... > Which -to my knowledge- is the last I could find at > the GEM site. > :) > It however exists an object called curve3d... > I will try wih it. curve3d is something different. I really meant "curve". It has to be created with an argument: [curve 2] is okay, [curve] isn't. Ciao -- Frank Barknecht _ ______footils.org_ __goto10.org__

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Multiple window branch crashes Mesa
by Frank Barknecht 23 Apr '07

23 Apr '07

Hi, in a discussion with IOhannes at LAC he asked me to try the multiple_window branch of Gem to see if this crashes Gem with newer Mesa free drivers as well. I now did so and it crashes, too. This is with Debian's 6.5.1-0.5 drivers. I didn't test the 6.5.2 branch, as last time I did, it wasn't rendering anything at all but still crashing with normal Gem. (Btw: The new Ubuntu Feisty comes with mesa 6.5.2, the new stable Debian has 6.5.1, so the number of people may increase who experience the crash/no rendering issue, if they upgrade and have chipsets using the free Mesa drivers like for Intel chips.) Here's a bit of logging/gdb output when doing [create, 1( and then [0, destroy(: Direct Rendering enabled! destroy A destroy B destroy C destroy D destroy E destroy F destroy F Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1211517248 (LWP 24805)] 0xb54f0af0 in ?? () (gdb) bt #0 0xb54f0af0 in ?? () #1 0xb7765d1c in glXDestroyContext () from /usr/lib/libGL.so.1 #2 0xb7767e40 in glXMakeCurrentReadSGI () from /usr/lib/libGL.so.1 #3 0xb77680d3 in glXMakeCurrent () from /usr/lib/libGL.so.1 #4 0xb7b7dbd5 in gemwindow::destroyMess () from /usr/lib/pd/extra/Gem/Gem.pd_linux #5 0xb7b7d734 in gemwindow::destroyMessCallback () from /usr/lib/pd/extra/Gem/Gem.pd_linux #6 0x0809fd15 in pd_typedmess (x=0x88, s=0x80, argc=0, argv=0x810e750) at m_class.c:728 Previous frame inner to this frame (corrupt stack?) Ciao -- Frank Barknecht _ ______footils.org_ __goto10.org__

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Re: [GEM-dev] [PD] webcam recommendations which work in Linux
by Ivica Ico Bukvic 23 Apr '07

23 Apr '07

> I have two Logitech Quickcam IM working fine @25fps in 640x480 connected > at the same time with Gem on Debian, driver is called spca5xx from > http://mxhaard.free.fr , loaded as a module thanks to the module- > assistant. > About IP cameras: > the Axis PTZ 214 has a built-in linux server streaming out both in RTSP & > http, Photo-jpeg or MPEG4 streams. Lots of docs available. I havent > streamed into PD yet , but should be feasable if Gem/pdp compiled with the > needed libs. Thanks for the info! BTW, if anyone has any info on how to interface IP cameras, I would love to hear more about it. Best wishes, Ico

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drawing lines with GEM
by Isidro Gonzalez 23 Apr '07

23 Apr '07

Sorry for the newbie question but I can't find out the way for drawing lines with GEM. Is there an object that can draw a line out of a set of X-Y coordinates? Many thanks Isi __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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using Fink
by Hans-Christoph Steiner 21 Apr '07

21 Apr '07

I was just thinking, now that I made the FTGL fink package, the Gem deps are all in Fink (AFAIK). It would simplify a number of issues if we were all using the same setup on Mac OS X. What would it take to get y'all to switch to Fink? Gem is already building every night using Fink. It is an easy install, and I'll happily help anyone via email, IM, IRC, phone, whatever. .hc ------------------------------------------------------------------------ ---- Looking at things from a more basic level, you can come up with a more direct solution... It may sound small in theory, but it in practice, it can change entire economies. - Amy Smith

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pbs with GEM on macpro quad
by cyrille henry 20 Apr '07

20 Apr '07

hello, i'm curently working on a mac pro quad (and HCS pd39-2-extended RC1). i've got 2 problems. 1 st : reading movie does create a new thread as i can see in activity monitor, but the cpu used by pd + reading movie does never exeed 100% (i.e 25% of the all CPUs). is there a solution to improve this? i would like to be able to play many movie using 4 core of this computer. i also have a problem with pix_coloralpha. it look like pix_coloralpha does not change the alpha chanel of the movie. i test the same patch / same movie on linux where everything is working ok. is there something that i should know to use this on osX? thanks Cyrille

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GEM-dev April 2007