GEM-dev April 2008

gem-dev@lists.iem.at

19 participants
28 discussions

[ pd-gem-Bugs-1939029 ] flicker with pix_gain in combination with pix_video
by SourceForge.net 10 Apr '08

10 Apr '08

Bugs item #1939029, was opened at 2008-04-09 20:10 Message generated for change (Tracker Item Submitted) made by Item Submitter You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=507079&aid=1939029&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: Pixes (pix_ objects) Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: marius schebella (mariusschebella) Assigned to: Nobody/Anonymous (nobody) Summary: flicker with pix_gain in combination with pix_video Initial Comment: I am getting flicker when I use [pix_video] | [pix_gain] osx 10.5.2, gem from 04/06, macbookpro, builtin i-sight. marius. ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=507079&aid=1939029&group_…

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pix_gain flicker
by marius schebella 10 Apr '08

10 Apr '08

Hi, I am now also getting flicker when I use [pix_video] | [pix_gain] osx 10.5.2, gem from 04/06, macbookpro, builtin i-sight. marius. (will also file a bugreport.)

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new w32 binary!
by IOhannes m zmoelnig 08 Apr '08

08 Apr '08

yesterday i have managed to compile Gem on W32 (surprisingly simple that was) this version has been compiled with DirectShow9 and QuickTime7.2 support. support for tablets has been further removed. known issues ------------ missing objects: [pix_fiducialtrack], [pix_vpaint] [GEMglGenTextures] is known to crash (this has been fixed in CVS already, but i didn't want to recompile it again for an object which is probably not so much used; it will of course be fixed in the next binary) fetch it while it's hot: here's the binary only: http://gem.iem.at/releases/0.91/gem-CVS20080408-W32-i686-bin.zip this is binary+documentation: http://gem.iem.at/releases/0.91/gem-CVS20080408-W32-i686-bin-doc.zip please test and report any bugs. mfga.sdr IOhannes

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frambuffer and Vertex Texture Fetching
by cyrille henry 07 Apr '08

07 Apr '08

hello, i'm currently investigating the use of framebuffer to create a texture in order to use it as a vertex displacement. this has already been discuss in this list, but new stuff in framebuffer makes me try again. i'm specially motived because it's the last things that prevent me trying physical modeling in glsl. having a look at framebuffer, i noticed strange things : -changing type or format does not init the framebuffer, you have to change dim, or rectangle (mode) in order to init it. (i don't know why) -in void gemframebuffer :: typeMess(char* type), should : else if (!strcmp(type, "FLOAT")){ post("type is GL_FLOAT, %d",m_type); m_type = GL_FLOAT; return; be replaced by : else if (!strcmp(type, "FLOAT")){ m_type = GL_FLOAT; post("type is GL_FLOAT, %d",m_type); return; ??? (it's also the same in formatMess) anyway. here are the good news : i add (and commit) a RGB32 format corresponding to m_internalformat = GL_RGB_FLOAT32_ATI; #ifdef __APPLE__ m_format = GL_BGR; #else m_format = GL_RGB; #endif (i don't know if apple definition is ok). but the internal format GL_RGB_FLOAT32_ATI was mandatory in order to have an efficient implementation of vertex texture fetching. so here is an example. it still need to be cleaned, but i'd like to know if it work on other computer. (here, it's about 50 time faster than previous example i send to this list) please update/compile and test! cyrille

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Ressources when alpha canal of [colorRGB] is 0
by Jack 05 Apr '08

05 Apr '08

Is it the same when the alpha canal of a [colorRGB] is 0 than when [gemhead] has received the message 0 : [gemhead] | [alpha] | [colorRGB 1 1 1 0] | [square] is it the same for the ressources take from the CPU/GPU than : [loadbang] | |0( | [gemhead] | [square] (The both methods erase the square). Thanx. ++ Jack

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V4L2
by cyrille henry 03 Apr '08

03 Apr '08

hello, i compile gem with V4L2 support, but it does not really work. i'm really missing a (working) V4L2 support in gem. anyone motivated to debug it? i'll happilly pay a V4L2 device to the one who want to work on this. cyrille

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CRAZY! mcdvd_32.dll
by matteo sisti sette 03 Apr '08

03 Apr '08

Hi, I have a project that I made with an old version of GEM under Windows, namely a 0.90 compiled on August 3 2004 (a precompiled binary I downloaded from iem.at or somewhere). At that time, I had many difficulties in finding a version that wouldn't crash AND that supported dv-pal; however I did find it and the project has always worked fine. In this project I used dv-pal-encoded AVI files and I'm not sure whether that version of GEM uses Quicktime or Directshow to open them, but I think directshow (apparently supports both). Currently, for other projects, I usually use a more recent and stable version of GEM (still not the latest), but I had some troubles trying to upgrade this project to the new version; so, since it just works fine, I always run it with its own dedicated version of GEM, that of 2004. I have run it in a few machines without problems, but now I have copied it into another machine and it crashes. The funny thing is that the module that crashes is mcdvd_32.dll that is found in windows/system32, but on the machine where gem does not crash I don't even have that dll anywhere!!!! The pd executable and gem.dll running in the 2 machines are the same: the whole "pd" folder is the same on the two machines. Obviously the patches are the same, and also the video files. There should be apparently no difference in what I am running. Both machines have Quicktime and DirectShow installed. The info GEM prints out at startup is the same on both machines: GEM: ver: 0.90 GEM: compiled: Aug 3 2004 [...] pix_film: avi support pix_film: quicktime support In the machine that works, for every video file it loads, it prints the message new movie might crash... ...survived While in the machine that crashes, it DOESN't print those messages!! It crashes when I create the gemwin (NOT when loading files). So what is mcdvd_32.dll? Why is gem using this dll, if the same gem on another machine is not using it (it isn't even present in that machine)? How can I force him not to use it? Is it possible that for some reason the working one is using DirectShow while the crashing one is using QuickTime? Or viceversa? Why? If I try to upgrade to the version of GEM that I usually use, the problem is that dv-pal avi's are rendered at 1/4 resolution, and I don't know how to tell quicktime to render them at full quality. I usually use mov's, so that I can put the "high quality" flag into them with QuickTime Pro; but there's no such flag in avi files, and I'd like to avoid converting all files to mov, it would take ages!!!!! -- Matteo Sisti Sette matteosistisette(a)gmail.com http://www.matteosistisette.com

1 0

2textures + gemframebuffer
by marius schebella 02 Apr '08

02 Apr '08

hi, I can't get gemframebuffer working with 2 shaders. see my files here: http://www.parasitaere-kapazitaeten.net/files/2tex+gemframe.zip I would like to take the output of a shader with 2 textures and use it in another pix_texture. but I don't find the right way to do this... anybody with help? thanks over'n out (no more mail today) marius.

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GEM-dev April 2008