GEM-dev December 2011

gem-dev@lists.iem.at

9 participants
23 discussions

vertexbuffer
by cyrille henry 03 Jan '12

03 Jan '12

hello, I commit few change in the vertexbuffer branch. it look like it's ready to be merged with the master. Iohannes, could you check and merge it if you agree? thanks Cyrille

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pull_request - pix_noise
by Nicolas Montgermont 26 Dec '11

26 Dec '11

Hello Iohannes, all, I've developed a pix_noise object that generates a noise texture. You can find it on github: git@github.com:nixhol/Gem.git the name of the branch is: pix_noise The object is mainly based on pix_set with a Lagged Fibonnaci random generator. I first tested with the algorithm of noise~ but, as Iohannes pointed, it was correlated on big texture. It seems ok now. Hope that'll help! Best n -- http://nim.on.free.fr

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Gem and GLSL 1.4 and later
by Jack 24 Dec '11

24 Dec '11

Hello, I would like to know if it is possible to use GLSL 1.4 and later with the actual Gem ? I ask this because it seems I need to specify a name for the color buffer in the fragment shader (instead of gl_FragColor). Is there a solution ? Thanx. ++ Jack

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artoolkit segfaulting
by kubro bubro 23 Dec '11

23 Dec '11

i succesfully builded artoolkit-2.72.1, and pix_artoolkit, which is loading fine, loading camera parameters and markers also: pix_artoolkit: (c) 2005-2006 Shigeyuki Hirai [pix_artoolkit]: ARToolKit support by Shigeyuki Hirai [pix_artoolkit]: loaded camera parameter file:(camera_para.dat) [pix_artoolkit]: loaded a marker file (patt.hiro) as 1... but segfaulting without any message(even with -verbose), when i start render, or when i connect gemlist video to its inlet

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ann: videoVLC
by IOhannes m zmoelnig 23 Dec '11

23 Dec '11

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Gem now has a videoVLC plugin, that allows to open any medium playable by VLC to be opened as a video-device, by specifying the vlc-URI as the device e.g. using [device screen://( will grab the screen and make that available as video stream. tested on linux and w32. fgamsdr IOhannes -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk7yD9wACgkQkX2Xpv6ydvQFigCfd0Et09sh12wfhfLmZRGgYlEt xZcAn16wC0g7l90sgvvLCxXcbrhTYTAZ =GYmB -----END PGP SIGNATURE-----

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Re: [GEM-dev] ann: videoVLC
by kubro bubro 23 Dec '11

23 Dec '11

videoVLC works great also here on 64bit arch linux even video directly from dvd disc is playing without problems. videoVLC is also opening lot of possibilities in streaming. thanks a lot and this problem with building plugins was only my stupid mistake, i was running make from src directory. so now it builds without problem. pkgbuild is on arch's AUR https://aur.archlinux.org/packages.php?ID=54987 now on arch linux is enough to 'yaourt -S pd-gem-git'

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problem to create gemwin
by cromix＠free.fr 16 Dec '11

16 Dec '11

hello, I have problem to create gemwin on ubuntu 11.04 with pd 0.42.6 and gem ver: 0.93.git 0d00c30 compiled: Dec 15 2011 my graphics cards are: ATI/AMD HD 6630M and intelH3000 sandybridge thanks for your help jeanf here is the output : error: GEM-Xwin: BadRequest (invalid request code or no such operation) error: GEM-Xwin: BadRequest (invalid request code or no such operation) error: GEM-Xwin: BadRequest (invalid request code or no such operation) error: GEM-Xwin: BadRequest (invalid request code or no such operation) error: GEM-Xwin: BadRequest (invalid request code or no such operation) error: GEM-Xwin: BadRequest (invalid request code or no such operation) error: GEM: Unable to create single buffer window error: GEM: Error creating const context error: GEM: A serious error occured creating const Context error: GEM: Continue at your own risk! error: GEM-Xwin: BadRequest (invalid request code or no such operation) error: GEM-Xwin: BadRequest (invalid request code or no such operation) error: GEM-Xwin: BadRequest (invalid request code or no such operation) error: GEM: Unable to create double buffer window error: GEM: Unable to create window error: [gemwin]: no window made error: GEM: Create window first! error: GEM: Unable to create single buffer window error: GEM: Error creating const context error: GEM: A serious error occured creating const Context error: GEM: Continue at your own risk! error: GEM-Xwin: BadRequest (invalid request code or no such operation) error: GEM-Xwin: BadRequest (invalid request code or no such operation) error: GEM-Xwin: BadRequest (invalid request code or no such operation) error: GEM: Unable to create double buffer window error: GEM: Unable to create window error: [gemwin]: no window made error: GEM: Create window first!

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build plugins
by kubro bubro 15 Dec '11

15 Dec '11

seems like when building gem as written in README.linux aclocal ./autogen.sh ./configure make make install plugins are not builded what is the correct way to build plugins? i tried make in plugins folder also make plugins in booth src and plugins folder, but still nothing thanks

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Gem & MinGW
by IOhannes m zmoelnig 15 Dec '11

15 Dec '11

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 as you might have noticed there have been some bug tickets regarding MinGW in the last days. you might also have noticed that all of them have been set to pending/fixed. this basically indicates, that it is now possible to compile Gem on MinGW. what is working: - - Gem *core* compiles - - Gem loads - - this means that all objects are available - - the plugin mechanism works what is not working: - - you'll not be able to load a plugin compiled with VisualC++ into a MinGW-compiled Gem or vice versa (at least as long as there is no C-API for plugins) - - what will need some more work DirectShow image acquisition (videoDS, filmDS) will need to be reimplemented for MinGW...hopefully in a way that allows the new implementations to be used with the M$VC builds as well... what is unknown/untested: - - i haven't had any libraries additional libraries installed thus i don't know, how much work the following still needs: FTGL-, QuickTime-, JPEG-, TIFF-, ImageMagick-,... support (actually, the only plugins i was able to test were imageSGI (for which i lacked a test image to load) and videoVFW (which does not support my camera) chances are high, that most of these libraries will "just work". mmgfasdr IOhannes -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk7oyysACgkQkX2Xpv6ydvS8WgCg88Rf7+88xl5fRySkPm1Cj9jM kuAAoIBsAliCrFFxeKP+poA6xGmAPdx2 =tvuT -----END PGP SIGNATURE-----

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[ pd-gem-Bugs-3453593 ] plugins don't work with MinGW builds
by SourceForge.net 14 Dec '11

14 Dec '11

Bugs item #3453593, was opened at 2011-12-07 06:14 Message generated for change (Comment added) made by zmoelnig You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=507079&aid=3453593&group_… Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: build-system Group: win32 >Status: Pending >Resolution: Fixed Priority: 5 Private: No Submitted By: IOhannes m zmölnig (zmoelnig) Assigned to: Nobody/Anonymous (nobody) Summary: plugins don't work with MinGW builds Initial Comment: when building Gem with MinGW, the resulting Gem.dll cannot use any of the resulting plugins (e.g. gem_imageSGI.dll) uncommenting the debugging printout in PluginFactoryTIMPL.h reveals, that Gem and the plugin see _different_ pluginfactories! (at least their addresses differ) system: - Gem-0.93git59cc4030375e20 - Windows7 - MinGW/MSYS - g++-4.6.1 ---------------------------------------------------------------------- >Comment By: IOhannes m zmölnig (zmoelnig) Date: 2011-12-14 07:53 Message: ah, it seems that MinGW needs the same things when it comes to cross-dll template instantiation: we haveto omit the PluginFactory<> implementation in the plugins and (only) provide it in the host. ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=507079&aid=3453593&group_…

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GEM-dev December 2011