Re: [osg-users] I want to read one pixel from a texture in video memory, back to system memory.
Hi Art, I took a look into the UnitOutCapture.cpp file. It uses the Image::readImageFromCurrentTexture function. I assume it reads the entire texture back to system-memory. I may be able to use that... But, I assume that if I send a compressed texture to video-memory, then I will get a compressed texture back. The Image::getColor function does not support compressed textures. I have written a node-visitor that prevents OSG from deleting the Image pointers of textures in node-files that my application reads, so I have solved my problem as long as I am not using compressed textures. My hope now is that IF my program encounters a compressed texture then it would be able to read a pixel from video-memory through glReadPixels. That function is capable of reading only one pixel or a few pixels, so I assume that reading from a compressed texture means that it will decompress in order to read the pixel. Doing so would make my intersection code robust as it would handle node-files that contain compressed images. Cheers, Viggo From: [EMAIL PROTECTED] To: osg-users@lists.openscenegraph.org Date: Fri, 1 Aug 2008 13:45:03 +0200 Subject: Re: [osg-users] I want to read one pixel from a texture in video memory, back to system memory. Hi Viggo, Have you tried to setup the glReadBuffer properly first. Take a look into osgPPU, this has already the functionality to read from textures (UnitOutCapture) and to be used for post-processing calculation like you have. Maybe this could help you to solve the problem. Best regards, Art On Thursday 31 July 2008 08:48:19 Viggo Løvli wrote: Hi, I am trying to write an intersect post-processing function that will read the alpha value of the hit-location. I have so far managed to get the texture coordinates for each collision point. I have also managed to find which texture (in unit 0) that is used by the object that I collide with. I have a pointer to the texture: osg::Texture2D* texture; The scene I am intersecting is read from a pre-created file and all osgImage data is automatically deleted. So, I can not always use texture-getImage() and read the pixels from there. In the cases where getImage returns a NULL pointer: osg::Texture::TextureObject* to = texture-getTextureObject( 0 ); glBindTexture( GL_TEXTURE_2d, to-_id ); unsigned char data[4]; glReadPixels( xLocation, yLocation, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, data ); glBindTexture( GL_TEXTURE_2D, 0 ); This code compiles and it runs. The problem is that it always returns the same values for RGB and A, nomatter what my xLocation and yLocation is. Can anybody see what I am doing wrong? Regards, Viggo _ Morsomme klipp, kjendiser og mer på MSN Video. http://video.msn.com/?mkt=nb-nofrom=HMTAG ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org _ Hold kontakten med Windows Live Messenger. http://clk.atdmt.com/GBL/go/msnnkdre001003gbl/direct/01/___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] glGetString returning NULL
Hi Robert,
It seems this modification has broke the Compile Contexts (see my post Win32
problems with CompileContext).
Currently an application setted to use compile contexts crash with a
glGetString call.
On Sun, Aug 3, 2008 at 3:30 PM, Robert Osfield [EMAIL PROTECTED]wrote:
Hi Sherman et. al,
The reason for the different in SVN head/2.6.0 is that by default the
Viewer::renderingTraversals() now does a release context, this is done
to fix a problem that was occuring when users were serializing
multiple multiple viewers in a single frame loop - so had multiple
calls to renderinTraversals() on different windows. In ViewerBase
you'll now find:
/** Hint to tell the renderingTraversals() method whether to
call relaseContext() on the last
* context that was made current by the thread calling
renderingTraverals(). Note, when
* running multi-threaded viewer no threads will be made
current or release current.
* Setting this hint to false can enable the frame loop to be
lazy about calling makeCurrent
* and releaseContext on each new frame, helping performance.
However, if you frame loop
* is managing multiple graphics context all from the main
frame thread then this hint must
* be left on, otherwise the wrong context could be left
active, introducing errors in rendering.*/
void setReleaseContextAtEndOfFrameHint(bool hint) {
_releaseContextAtEndOfFrameHint = hint; }
/** Hint to tell the renderingTraversals() method whether to
call relaseContext().*/
bool getReleaseContextAtEndOfFrameHint() const { return
_releaseContextAtEndOfFrameHint; }
This allows you to switch off this release context if you wish, and
then you'll still have the graphis context current when in Single
Threaded rendering, however, I'd suggest to is not to considered a
good practice as such code can easily be broken by changing the
threading model.
My recommendation is that all users avoid doing OpenGL calls directly
in the frame loop, and instead use a Camera initial/pre/post/final
draw callback to do extra OpenGL calls. This approach works for all
threading models and viewer configurations.
Robert.
On Thu, Jul 31, 2008 at 5:45 PM, Paul Martz [EMAIL PROTECTED]
wrote:
Thanks for the reply - I am running osgViewer in single threaded mode
- still returns NULL. The drawable trick works as expected,
but I don't understand why this doesn't work in the main
render loop when in single threaded mode. I *think* this
worked in 2.4. Almost positive.
Anyway, here's a simple example. glGetString fails in the
loop but succeeds in the drawable. Note the usage of single
threaded mode. I'm not so concerned about having to move this
code to a drawable, but perhaps this is indicative of a larger issue?
I agree it seems odd that you don't have a current context in this case.
To
understand the issue, try setting a breakpoint at the MakeCurrent call;
somewhere up the call stack, you should find an explanation for why it is
being set to NULL each frame.
Another option for you is to use a camera post draw callback; it is
executed
while the draw thread has a current context.
-Paul
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Re: [osg-users] The problem disappeared! (problem with osgUtil::LineSegmentIntersector) Make it please in the next version.
On Sun, Aug 3, 2008 at 9:21 PM, GMD GammerMaxyandex.ru [EMAIL PROTECTED] wrote: I tested file. All works without errors). As KdTrees with or without. Thanks for testing, I've now checked in this fix to svn/trunk and the OpenSceneGraph-2.6 branch. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Behaviour of function osg::Image-getPixelSizeInBits() is strange.
Hi Max, On Sun, Aug 3, 2008 at 9:26 PM, GMD GammerMaxyandex.ru [EMAIL PROTECTED] wrote: I tried different formats (jpg / png / bmp) ... function getPixelSizeInBits() returns values 64 ! I'm afraid this is no help to me, could you please provide the image file that you think is problematic. Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] VPB Status
Hi Ralf, On Sun, Aug 3, 2008 at 10:12 PM, Ralf Stokholm [EMAIL PROTECTED] wrote: Thanks for the info, will the osga option be enabled again prior to the release of vpb 1.0? osga files can't be built multi-threaded, the best we could do is build individual tasks as .osga, or post process the data placing the separate files into .osga. althoúgh the current works fine im having the problem that after my 600 G dataset has been created (30 Hours on my quad core) it took another roughly 15-20 hours to copy it to an external ESATA harddrive using robocopy. :-o I know this is propable only a problem on windows, but I know that windows really hate working on folder structures with multi million files, so one big archive really works in this respect. I wouldn't recommend using Windows to build large databases, it's file system really doesn't perform well for this type of work. As a workaround would increasing the --tile-image-size reduce the number of files for a similar size / detail dataset? This would be robbing Peter to feed Paul... the key thing with paged database is the actual rendering performance, big tiles will lead to a much higher chance of frame misses due to overly large texture objects and display lists/vbo's. Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] VPB
Hi Michael, You'll need to use VPB SVN trunk against 2.6 RC1. Once 2.6 is out the door I'll make another dev release of VPB. Robert. On Mon, Aug 4, 2008 at 2:00 AM, Michael W. Hall [EMAIL PROTECTED] wrote: I have VPB 0.9.7 and OSG 2.6 RC1. I am getting errors when building VPB. They are as follows: /home/mwhall/Download/VirtualPlanetBuilder/src/vpb/Commandline.cpp: In member function 'void vpb::Commandline::processImageOrHeightField(vpb::Source::Type, const std::string)': /home/mwhall/Download/VirtualPlanetBuilder/src/vpb/Commandline.cpp:108: error: 'class osgTerrain::Terrain' has no member named 'getNumColorLayers' /home/mwhall/Download/VirtualPlanetBuilder/src/vpb/Commandline.cpp:108: error: 'class osgTerrain::Terrain' has no member named 'getColorLayer' /home/mwhall/Download/VirtualPlanetBuilder/src/vpb/Commandline.cpp:116: error: 'class osgTerrain::Terrain' has no member named 'setColorLayer' /home/mwhall/Download/VirtualPlanetBuilder/src/vpb/Commandline.cpp:121: error: 'class osgTerrain::Terrain' has no member named 'getElevationLayer' /home/mwhall/Download/VirtualPlanetBuilder/src/vpb/Commandline.cpp:129: error: 'class osgTerrain::Terrain' has no member named 'setElevationLayer' /home/mwhall/Download/VirtualPlanetBuilder/src/vpb/Commandline.cpp: In member function 'int vpb::Commandline::read(std::ostream, osg::ArgumentParser, osgTerrain::Terrain*)': /home/mwhall/Download/VirtualPlanetBuilder/src/vpb/Commandline.cpp:505: error: 'class osgTerrain::Terrain' has no member named 'getTerrainTechnique' /home/mwhall/Download/VirtualPlanetBuilder/src/vpb/Commandline.cpp:509: error: 'class osgTerrain::Terrain' has no member named 'setTerrainTechnique' make[2]: *** [src/vpb/CMakeFiles/vpb.dir/Commandline.o] Error 1 make[1]: *** [src/vpb/CMakeFiles/vpb.dir/all] Error 2 make: *** [all] Error 2 Any suggestions? Should this version of VPB compile with 2.6? ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] PAT and getWorldMatrices difference
On Mon, Aug 4, 2008 at 7:21 AM, Vincent Bourdier [EMAIL PROTECTED] wrote: Hi Robert, Sorry if it was not understandable. My question is : why there is difference in the rotation when I get it from a PAT (attached under the root) or when I do a getWolrdMatrices on the same PAT Translation seems to be the same, but not rotation. You ask me, how long is a piece of string that you are holding. Can I answer this? Without seeing the string?? No. As for why your rotation is not what you are expecting, I also can't answer this, it's your scene graph, only you have it in front of you. My best guess is that you Transform above the PAT has a rotation in it. Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] PAT and getWorldMatrices difference
So you agree that it is not normal to have a difference in the rotation, if no transform is above the PAT ? thanks, Regards Vincent 2008/8/4 Robert Osfield [EMAIL PROTECTED] On Mon, Aug 4, 2008 at 7:21 AM, Vincent Bourdier [EMAIL PROTECTED] wrote: Hi Robert, Sorry if it was not understandable. My question is : why there is difference in the rotation when I get it from a PAT (attached under the root) or when I do a getWolrdMatrices on the same PAT Translation seems to be the same, but not rotation. You ask me, how long is a piece of string that you are holding. Can I answer this? Without seeing the string?? No. As for why your rotation is not what you are expecting, I also can't answer this, it's your scene graph, only you have it in front of you. My best guess is that you Transform above the PAT has a rotation in it. Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] Removing colors and lighing from model?
I have troubles to remove every color and every lighting from a loaded model, basically I want to to draw a model completly white without any shading my code snippet is: // state is a pointer to the group where the model will be added state-setMode( GL_LIGHTING, osg::StateAttribute::OFF | StateAttribute::PROTECTED ); state-removeAttribute(StateAttribute::POLYGONMODE); state-removeAttribute(StateAttribute::MATERIAL); osg::Material* mat = new osg::Material(); mat-setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4(0.0,0.0,0.0,1.0)); state-setAttributeAndModes(mat, osg::StateAttribute::ON | StateAttribute::PROTECTED); Basically I set the material as protected which should work but it doesnt for the models like axis.osg, or cessna.osg. Other model files from a model database are rendered white but these ones keep their color and their lighting. Is there a way to fix that without visiting each node of the loaded models? Thanks ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] glGetString returning NULL
Some time ago (between the 2.2 and the 2.4 versions I think) I've made some tests with compile contexts on Windows and it worked great. But I didn't use them further because of some hardware limitations, but now for an other project I would like to give it a try again. On Mon, Aug 4, 2008 at 10:26 AM, Robert Osfield [EMAIL PROTECTED]wrote: Hi Serge, On Mon, Aug 4, 2008 at 9:09 AM, Serge Lages [EMAIL PROTECTED] wrote: It seems this modification has broke the Compile Contexts (see my post Win32 problems with CompileContext). Currently an application setted to use compile contexts crash with a glGetString call. I'm not sure whether CompileContext has been confirmed to work under Windows, so it might just be co-incidence. CompileContext's aren't managed through the main loop so are it's unlikely to be related. Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- Serge Lages http://www.tharsis-software.com ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Removing colors and lighing from model?
Hi ?? Could you please sign the name you wish to be addressed as. As for your attempt at making your scene white, the problem is that you are disabling lighting, and in OpenGL the glMaterial has no effect when lighting is disabled, in this case only OpenGL vertex colours and textures effect the colour of objects. So enable lighting rather than disable it. Robert. On Mon, Aug 4, 2008 at 9:57 AM, Ariasgore [EMAIL PROTECTED] wrote: I have troubles to remove every color and every lighting from a loaded model, basically I want to to draw a model completly white without any shading my code snippet is: // state is a pointer to the group where the model will be added state-setMode( GL_LIGHTING, osg::StateAttribute::OFF | StateAttribute::PROTECTED ); state-removeAttribute(StateAttribute::POLYGONMODE); state-removeAttribute(StateAttribute::MATERIAL); osg::Material* mat = new osg::Material(); mat-setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4(0.0,0.0,0.0,1.0)); state-setAttributeAndModes(mat, osg::StateAttribute::ON | StateAttribute::PROTECTED); Basically I set the material as protected which should work but it doesnt for the models like axis.osg, or cessna.osg. Other model files from a model database are rendered white but these ones keep their color and their lighting. Is there a way to fix that without visiting each node of the loaded models? Thanks ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] PAT and getWorldMatrices difference
On Mon, Aug 4, 2008 at 9:35 AM, Vincent Bourdier [EMAIL PROTECTED] wrote: So you agree that it is not normal to have a difference in the rotation, if no transform is above the PAT ? The line of questioning is what is not normal. I can't say anything else about what you are doing/expecting. The world transform code in the OSG *works* reliably a has done since its introduction. The PositionAttitudeTransform code in the OSG *works* reliably and has done for many years. The rest is is almost certainly just your own misunderstanding. From what you have written I really can't say where you're understanding has gone of the road into the dirt. Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Removing colors and lighing from model?
I hope there will be a name now, otherwise call me Sam :) The funny thing is that disabling light worked before on other models, while assigning emission color, the objects have color, no matter if lighting is on or off (actually it is not full white, but I am on it) The other problem was solved by using the StatsVisitor (which I wanted to avoid). Traversing nodes clearing states and setting color arrays to 0 helped. Thanks Sam -- From: Robert Osfield [EMAIL PROTECTED] Sent: Monday, August 04, 2008 11:23 AM To: OpenSceneGraph Users osg-users@lists.openscenegraph.org Subject: Re: [osg-users] Removing colors and lighing from model? Hi ?? Could you please sign the name you wish to be addressed as. As for your attempt at making your scene white, the problem is that you are disabling lighting, and in OpenGL the glMaterial has no effect when lighting is disabled, in this case only OpenGL vertex colours and textures effect the colour of objects. So enable lighting rather than disable it. Robert. On Mon, Aug 4, 2008 at 9:57 AM, Ariasgore [EMAIL PROTECTED] wrote: I have troubles to remove every color and every lighting from a loaded model, basically I want to to draw a model completly white without any shading my code snippet is: // state is a pointer to the group where the model will be added state-setMode( GL_LIGHTING, osg::StateAttribute::OFF | StateAttribute::PROTECTED ); state-removeAttribute(StateAttribute::POLYGONMODE); state-removeAttribute(StateAttribute::MATERIAL); osg::Material* mat = new osg::Material(); mat-setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4(0.0,0.0,0.0,1.0)); state-setAttributeAndModes(mat, osg::StateAttribute::ON | StateAttribute::PROTECTED); Basically I set the material as protected which should work but it doesnt for the models like axis.osg, or cessna.osg. Other model files from a model database are rendered white but these ones keep their color and their lighting. Is there a way to fix that without visiting each node of the loaded models? Thanks ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Win32 problem with CompileContexts
Hi Serge, I've been doing testing the compile context support using osgviewer on paged database I have and it all works without error so far. I'm using Kubuntu 7.10 and 7800GT. I enable compile contexts via: export OSG_COMPILE_CONTEXTS=ON osgviewer pagedmodel.ive --SingleThreaded I tried the whole range of threading models without incident. So this problem looks to be a Windows issue. My guess is that the error report of about a problem with make current is what is the early warning of something not working quite right. I'm afraid I can't do much to investigate this myself though as I have no Windows box to test against. Robert. On Thu, Jul 31, 2008 at 9:44 AM, Serge Lages [EMAIL PROTECTED] wrote: Hi all, I am currently trying to use CompileContexts on my application, but just doing this : osgViewer::Viewerviewer; viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded); osg::DisplaySettings::instance()-setCompileContextsHint(true); return (viewer.run()); The application crash into glExtensions.cpp line 46 (trying to get the GL version with glGetString( GL_VERSION )). Before the crash I have this error message : PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: La ressource demandé est en cours d'utilisation. or in english something like that : PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: the wanted resource is already being used. Any idea on what's happening ? My system : WinXP with SVN head, VS 8 Express, NVIDIA 8600GTS Thanks in advance ! -- Serge Lages http://www.tharsis-software.com ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Plans for OpenSceneGraph-2.6.0-rc2
OpenSceneGraph 2.6 works fine.. 2008/8/4 Robert Osfield [EMAIL PROTECTED] Hi All, Yesterday I got svn trunk and the OpenSceneGraph-2.6 branch in sync, so both contain all the latest changes that Paul Martz merged with the 2.6 branch, and the fixes I made yesterday and submissions made by the community up to this morning. Today I will be writing up the press release/NEWS.txt today, and looking at a few reported issues and tagging the 2.6.0-rc2 this afternoon. Once I've updated the press release I'll ping the community to review it, given that my English writing skills aren't perfect this will be important ;-) It'd be great if 2.6-rc2 is good enough to make the final 2.6.0 release, as this would allow us to get 2.6.0 out in the first half of this week, binaries made etc. Judging by the low volume of fixes merged last week it would suggest either that 2.6.0-rc1 was already in pretty good shape, or that not enough testing has been carried out. I do hope it's not the later But just in case... Please test the OpenSceneGraph-2.6 branch on as many machine/OS's that are available to you and let me know of success/failure so we can get things fixed as soon as possible. Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- Adrian Egli ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] Plans for OpenSceneGraph-2.6.0-rc2
Hi All, Yesterday I got svn trunk and the OpenSceneGraph-2.6 branch in sync, so both contain all the latest changes that Paul Martz merged with the 2.6 branch, and the fixes I made yesterday and submissions made by the community up to this morning. Today I will be writing up the press release/NEWS.txt today, and looking at a few reported issues and tagging the 2.6.0-rc2 this afternoon. Once I've updated the press release I'll ping the community to review it, given that my English writing skills aren't perfect this will be important ;-) It'd be great if 2.6-rc2 is good enough to make the final 2.6.0 release, as this would allow us to get 2.6.0 out in the first half of this week, binaries made etc. Judging by the low volume of fixes merged last week it would suggest either that 2.6.0-rc1 was already in pretty good shape, or that not enough testing has been carried out. I do hope it's not the later But just in case... Please test the OpenSceneGraph-2.6 branch on as many machine/OS's that are available to you and let me know of success/failure so we can get things fixed as soon as possible. Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Win32 problem with CompileContexts
Hi Robert, i just come tested under windows vista, same as problem as Serge reported :-( PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: The requested resource is in use. 2008/8/4 Robert Osfield [EMAIL PROTECTED] Hi Serge, I've been doing testing the compile context support using osgviewer on paged database I have and it all works without error so far. I'm using Kubuntu 7.10 and 7800GT. I enable compile contexts via: export OSG_COMPILE_CONTEXTS=ON osgviewer pagedmodel.ive --SingleThreaded I tried the whole range of threading models without incident. So this problem looks to be a Windows issue. My guess is that the error report of about a problem with make current is what is the early warning of something not working quite right. I'm afraid I can't do much to investigate this myself though as I have no Windows box to test against. Robert. On Thu, Jul 31, 2008 at 9:44 AM, Serge Lages [EMAIL PROTECTED] wrote: Hi all, I am currently trying to use CompileContexts on my application, but just doing this : osgViewer::Viewerviewer; viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded); osg::DisplaySettings::instance()-setCompileContextsHint(true); return (viewer.run()); The application crash into glExtensions.cpp line 46 (trying to get the GL version with glGetString( GL_VERSION )). Before the crash I have this error message : PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: La ressource demandé est en cours d'utilisation. or in english something like that : PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: the wanted resource is already being used. Any idea on what's happening ? My system : WinXP with SVN head, VS 8 Express, NVIDIA 8600GTS Thanks in advance ! -- Serge Lages http://www.tharsis-software.com ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- Adrian Egli ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Plans for OpenSceneGraph-2.6.0-rc2
On Mon, Aug 4, 2008 at 11:05 AM, Adrian Egli OpenSceneGraph (3D) [EMAIL PROTECTED] wrote: OpenSceneGraph 2.6 works fine.. Thanks for the testing... but what platform configuration?? :-) ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] PAT and getWorldMatrices difference
Hi Vincent, Vincent Bourdier wrote: My question is : why there is difference in the rotation when I get it from a PAT (attached under the root) or when I do a getWolrdMatrices on the same PAT Translation seems to be the same, but not rotation. You ask a question which can't really be answered in general. You need to show exactly what values you're getting and what you are expecting. Even better would be a very simple test program (or scene in .osg format) that demonstrates the problem. Paul ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Behaviour of function osg::Image-getPixelSizeInBits() is strange.
ok. 04.08.08, 12:12, Robert Osfield [EMAIL PROTECTED]: Hi Max, On Sun, Aug 3, 2008 at 9:26 PM, GMD GammerMaxyandex.ru [EMAIL PROTECTED] wrote: I tried different formats (jpg / png / bmp) ... function getPixelSizeInBits() returns values 64 ! I'm afraid this is no help to me, could you please provide the image file that you think is problematic. Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- Яндекс.Фотки - легко загрузить с мобильного http://mobile.yandex.ru/fotki/attachment: doska.jpg___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] What is K-tree?
On Mon, Aug 4, 2008 at 11:56 AM, GMD GammerMaxyandex.ru [EMAIL PROTECTED] wrote: What is K-tree? I searched information about in the Internet but found nothing. Could you give me some links to the articles about this theme? Try searching for KdTree or Kd-Tree... ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] How can I use different shadow-map for different object.
How can I use different shadow-map for different object. For example, I have a big plane and two trees on it. When I put these 3 objects into one ShadowScene texture stretches too much. Two ShadowScene doesn't work together, so I can't use more than one texture by object. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] How can I get know suuports video-card shaders or not?
How can I get know suuports video-card shaders or not? ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] What is K-tree?
What is K-tree? I searched information about in the Internet but found nothing. Could you give me some links to the articles about this theme? ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] What is K-tree?
try : http://en.wikipedia.org/wiki/Kd-tree It is a good begining. 2008/8/4 Robert Osfield [EMAIL PROTECTED] On Mon, Aug 4, 2008 at 11:56 AM, GMD GammerMaxyandex.ru [EMAIL PROTECTED] wrote: What is K-tree? I searched information about in the Internet but found nothing. Could you give me some links to the articles about this theme? Try searching for KdTree or Kd-Tree... ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] What is K-tree?
http://en.wikipedia.org/wiki/Kd_tree På Mon, 04 Aug 2008 12:56:23 +0200, skrev GMD GammerMaxyandex.ru [EMAIL PROTECTED]: What is K-tree? I searched information about in the Internet but found nothing. Could you give me some links to the articles about this theme? ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- Joakim Simonsson ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] WhatisK-tree?
Thanks.04.08.08, 15:12, "VincentBourdier" <[EMAIL PROTECTED] >:try : http://en.wikipedia.org/wiki/Kd-treeIt is a good begining.2008/8/4 Robert Osfield <[EMAIL PROTECTED]>On Mon, Aug 4, 2008 at 11:56 AM, GMD GammerMaxyandex.ru<[EMAIL PROTECTED]> wrote:> What is K-tree? I searched information about in the> Internet but found nothing. Could you give me some> links to the articles about this theme?Try searching for KdTree or Kd-Tree...___osg-users mailing listosg-users@lists.openscenegraph.orghttp://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org-- Яндекс.Почта - Проверьте почту с мобильного устройства: http://mail.ya.ru___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Behaviour of function osg::Image-getPixelSizeInBits() is strange.
Hi ?? Could you please sign with the name you would like to be addressed with as it's tedious having to guess. On Mon, Aug 4, 2008 at 12:09 PM, GMD GammerMaxyandex.ru [EMAIL PROTECTED] wrote: ok. Thanks. To check this out, I've added to src/osgDB/ReadFile.cpp's osgDB::readImageFile() function the line: notify(NOTICE)Image filename getPixelSizeInBits()=rr.getImage()-getPixelSizeInBits()std::endl; Image doska.jpg getPixelSizeInBits()=24 Doing a gdalinfo shows that this file is a RGB, single byte per channel. This suggests that the loading is correct. Now, you mention something about a texture copy, but I can't work out how this relates to the problem, your original email sounds like that the copy produced the correct results, while the incorrect results happened before. Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Plans for OpenSceneGraph-2.6.0-rc2
sorry: windows xp with ATI (VC2003) and vista with NVidia (VC2005) one problem is only the graphics context one, i wrote another email (answer: Serge Problem) 2008/8/4 Robert Osfield [EMAIL PROTECTED] On Mon, Aug 4, 2008 at 11:05 AM, Adrian Egli OpenSceneGraph (3D) [EMAIL PROTECTED] wrote: OpenSceneGraph 2.6 works fine.. Thanks for the testing... but what platform configuration?? :-) ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- Adrian Egli ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] How can I get know suuports video-card shaders or not?
GOOGLE with get this -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of GMD GammerMaxyandex.ru Sent: Monday, August 04, 2008 6:58 AM To: osg-users@lists.openscenegraph.org Subject: [osg-users] How can I get know suuports video-card shaders or not? How can I get know suuports video-card shaders or not? ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Behaviour of function osg::Image-getPixelSizeInBits() is strange.
Thanks. I change Nvidia drivers (174 175), function getPixelSizeInBits return 24 ))) 04.08.08, 15:26, Robert Osfield [EMAIL PROTECTED]: Hi ?? Could you please sign with the name you would like to be addressed with as it's tedious having to guess. On Mon, Aug 4, 2008 at 12:09 PM, GMD GammerMaxyandex.ru [EMAIL PROTECTED] wrote: ok. Thanks. To check this out, I've added to src/osgDB/ReadFile.cpp's osgDB::readImageFile() function the line: notify(NOTICE)Image filename getPixelSizeInBits()=rr.getImage()-getPixelSizeInBits()std::endl; Image doska.jpg getPixelSizeInBits()=24 Doing a gdalinfo shows that this file is a RGB, single byte per channel. This suggests that the loading is correct. Now, you mention something about a texture copy, but I can't work out how this relates to the problem, your original email sounds like that the copy produced the correct results, while the incorrect results happened before. Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Win32 problem with CompileContexts
FWIW I have never been able to get compile contexts to work on Windows since the feature was introduced. So I believe the issue goes back a ways (i.e., is not particular to 2.6). HTH- Glenn On Mon, Aug 4, 2008 at 6:17 AM, Adrian Egli OpenSceneGraph (3D) [EMAIL PROTECTED] wrote: Hi Robert, i just come tested under windows vista, same as problem as Serge reported :-( PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: The requested resource is in use. 2008/8/4 Robert Osfield [EMAIL PROTECTED] Hi Serge, I've been doing testing the compile context support using osgviewer on paged database I have and it all works without error so far. I'm using Kubuntu 7.10 and 7800GT. I enable compile contexts via: export OSG_COMPILE_CONTEXTS=ON osgviewer pagedmodel.ive --SingleThreaded I tried the whole range of threading models without incident. So this problem looks to be a Windows issue. My guess is that the error report of about a problem with make current is what is the early warning of something not working quite right. I'm afraid I can't do much to investigate this myself though as I have no Windows box to test against. Robert. On Thu, Jul 31, 2008 at 9:44 AM, Serge Lages [EMAIL PROTECTED] wrote: Hi all, I am currently trying to use CompileContexts on my application, but just doing this : osgViewer::Viewerviewer; viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded); osg::DisplaySettings::instance()-setCompileContextsHint(true); return (viewer.run()); The application crash into glExtensions.cpp line 46 (trying to get the GL version with glGetString( GL_VERSION )). Before the crash I have this error message : PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: La ressource demandé est en cours d'utilisation. or in english something like that : PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: the wanted resource is already being used. Any idea on what's happening ? My system : WinXP with SVN head, VS 8 Express, NVIDIA 8600GTS Thanks in advance ! -- Serge Lages http://www.tharsis-software.com ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- Adrian Egli ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- Glenn Waldron : Pelican Mapping : http://pelicanmapping.com : +1.703.652.4791 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] PAT and getWorldMatrices difference
You also need to show how you are extracting the rotational values and how your setting them To add to the issue there are many ways to set Quats up and retrieve the rotational values out of them which can return different results And again as Robert pointed out getting a transforms matrix and getting its WolrdMatrices are not the same thing -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Paul Melis Sent: Monday, August 04, 2008 6:44 AM To: OpenSceneGraph Users Subject: Re: [osg-users] PAT and getWorldMatrices difference Hi Vincent, Vincent Bourdier wrote: My question is : why there is difference in the rotation when I get it from a PAT (attached under the root) or when I do a getWolrdMatrices on the same PAT Translation seems to be the same, but not rotation. You ask a question which can't really be answered in general. You need to show exactly what values you're getting and what you are expecting. Even better would be a very simple test program (or scene in .osg format) that demonstrates the problem. Paul ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] How can I get know suuports video-card shaders ornot?
That should have been A GOOGLE will get this for you -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Gordon Tomlinson Sent: Monday, August 04, 2008 7:56 AM To: 'OpenSceneGraph Users' Subject: Re: [osg-users] How can I get know suuports video-card shaders ornot? GOOGLE with get this -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of GMD GammerMaxyandex.ru Sent: Monday, August 04, 2008 6:58 AM To: osg-users@lists.openscenegraph.org Subject: [osg-users] How can I get know suuports video-card shaders or not? How can I get know suuports video-card shaders or not? ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Win32 problem with CompileContexts
Some time ago it worked for me (the same time when we were able to make glGetString calls outside a draw callbacks). I'll try to make some tests this afternoon and let you know how it goes. On Mon, Aug 4, 2008 at 1:56 PM, Glenn Waldron [EMAIL PROTECTED] wrote: FWIW I have never been able to get compile contexts to work on Windows since the feature was introduced. So I believe the issue goes back a ways (i.e., is not particular to 2.6). HTH- Glenn On Mon, Aug 4, 2008 at 6:17 AM, Adrian Egli OpenSceneGraph (3D) [EMAIL PROTECTED] wrote: Hi Robert, i just come tested under windows vista, same as problem as Serge reported :-( PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: The requested resource is in use. 2008/8/4 Robert Osfield [EMAIL PROTECTED] Hi Serge, I've been doing testing the compile context support using osgviewer on paged database I have and it all works without error so far. I'm using Kubuntu 7.10 and 7800GT. I enable compile contexts via: export OSG_COMPILE_CONTEXTS=ON osgviewer pagedmodel.ive --SingleThreaded I tried the whole range of threading models without incident. So this problem looks to be a Windows issue. My guess is that the error report of about a problem with make current is what is the early warning of something not working quite right. I'm afraid I can't do much to investigate this myself though as I have no Windows box to test against. Robert. On Thu, Jul 31, 2008 at 9:44 AM, Serge Lages [EMAIL PROTECTED] wrote: Hi all, I am currently trying to use CompileContexts on my application, but just doing this : osgViewer::Viewerviewer; viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded); osg::DisplaySettings::instance()-setCompileContextsHint(true); return (viewer.run()); The application crash into glExtensions.cpp line 46 (trying to get the GL version with glGetString( GL_VERSION )). Before the crash I have this error message : PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: La ressource demandé est en cours d'utilisation. or in english something like that : PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: the wanted resource is already being used. Any idea on what's happening ? My system : WinXP with SVN head, VS 8 Express, NVIDIA 8600GTS Thanks in advance ! -- Serge Lages http://www.tharsis-software.com ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- Adrian Egli ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- Glenn Waldron : Pelican Mapping : http://pelicanmapping.com : +1.703.652.4791 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- Serge Lages http://www.tharsis-software.com ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Removing colors and lighing from model?
Hi Sam, On Mon, Aug 4, 2008 at 10:56 AM, Sam [EMAIL PROTECTED] wrote: I hope there will be a name now, otherwise call me Sam :) Yep, name came through thanks. Named posts help keep an informal and friendly atmosphere on the list ;-) The funny thing is that disabling light worked before on other models, while assigning emission color, the objects have color, no matter if lighting is on or off (actually it is not full white, but I am on it) The OpenGL material/lighting behaviour can be a bit perplexing, I'd recommend reading well up on OpenGL materials and lighting. The other problem was solved by using the StatsVisitor (which I wanted to avoid). Traversing nodes clearing states and setting color arrays to 0 helped. If you disable he glColorMaterial contribution off then the vertex colour arrays won't have any effect, in the OSG you can do this via: material-setColorMode(osg::Material::OFF); Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Behaviour of function osg::Image-getPixelSizeInBits() is strange.
Sender: [EMAIL PROTECTED] On-Behalf-Of: [EMAIL PROTECTED] Subject: Re: [osg-users] Behaviour of function osg::Image-getPixelSizeInBits() is strange. Message-Id: [EMAIL PROTECTED] Recipient: [EMAIL PROTECTED] ---BeginMessage--- Hi Max, Could you provide the image file that revelled this issue. Without this I have absolutely no chance in tracking it down. Robert. On Wed, Jul 30, 2008 at 2:09 PM, GMD GammerMaxyandex.ru [EMAIL PROTECTED] wrote: Behaviour of function osg::Image-getPixelSizeInBits() is strange. After loadind OSG-file, I tryed get count bits by pixel (several different images was examinated)? and function returns 64! After changing image of texture by its copy: osg::Image* dest =dynamic_castosg::Image* (MyImage-clone(osg::CopyOp::DEEP_COPY_ALL)); MyTexture-setImage(dest); function osg::Image-getPixelSizeInBits() returns correct values 24/32. Is any ideas? System: OSG 2.6.0 rc1, WinXp / Vista, VS 2008 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ---End Message--- ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] GL_MAX_SAMPLES_EXT was not declared compile bug in OSG 2.6 release branch
Thanks Philip, fix looks reasonable and is now merged and commited to svn trunk and the OpenSceneGraph-2.6 branch On Mon, Aug 4, 2008 at 1:43 PM, Philip Lowman [EMAIL PROTECTED] wrote: On Sun, Aug 3, 2008 at 9:38 AM, Robert Osfield [EMAIL PROTECTED] wrote: Hi Philip, The OSG deliberately avoids including glext.h, as this header file doesn't exist on most machines, and machines that it does is subject to flux. The GL_MAX_SAMPLES_EXT #define in question is provided by the include/osg/FrameBufferObject header, the relevent code in this header is: #ifndef GL_EXT_framebuffer_multisample #define GL_EXT_framebuffer_multisample 1 #define GL_RENDERBUFFER_SAMPLES_EXT 0x8CAB #define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT 0x8D56 #define GL_MAX_SAMPLES_EXT 0x8D57 #endif Which suggests that your own gl.h headers are defining GL_EXT_framebuffer_multisample but not GL_MAX_SAMPLES_EXT. Could you please post your gl.h and glext.h so that we might review them and work out why the combination of define's is not working. Robert, Yes, you are correct. The problem is in Centos 5's glext.h which is missing GL_MAX_SAMPLES_EXT in it's GL_EXT_framebuffer_multisample ifndef block. snip #ifndef GL_EXT_framebuffer_multisample #define GL_RENDERBUFFER_SAMPLES_EXT 0x8CAB #endif snip Attached is a patch to include/osg/FrameBufferObject that fixes the compilation and the gl/glext.h headers on my system. -- Philip Lowman ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Qt + non-continuous draw + pagedLOD: Random loss of detail??
Thanks for the additions Maciej, the changes have missed the OpenSceneGraph-2.6 branch/feature freeze so will have to be merged once 2.6 is out. On Mon, Aug 4, 2008 at 1:51 PM, Maciej Krol [EMAIL PROTECTED] wrote: Hi all, I have implement frame based expiration of PagedLOD children. I will send it to osg-submissions as well. New attribute DatabasePager::_expiryFrames sets number of frames a PagedLOD child is kept in memory. The attribute is set with DatabasePager::setExpiryFrames method or OSG_EXPIRY_FRAMES environmental variable. New attribute PagedLOD::PerRangeData::_frameNumber contains frame number of last cull traversal. Children of PagedLOD are expired when time _AND_ number of frames since last cull traversal exceed OSG_EXPIRY_DELAY _AND_ OSG_EXPIRY_FRAMES respectively. By default OSG_EXPIRY_FRAMES = 1 which means that nodes from last cull/rendering traversal will not be expired even if last cull time exceeds OSG_EXPIRY_DELAY. Setting OSG_EXPIRY_FRAMES = 0 revokes previous behaviour of PagedLOD. Setting OSG_EXPIRY_FRAMES 0 fixes problems of children reloading in lazy rendering applications. Required behaviour is achieved by manipulating OSG_EXPIRY_DELAY and OSG_EXPIRY_FRAMES together. Two interface changes are made: DatabasePager::updateSceneGraph(double currentFrameTime) is replaced by DatabasePager::updateSceneGraph(const osg::FrameStamp frameStamp). The previous method is in #if 0 clause in the header file. Robert, decide if You want to include it. PagedLOD::removeExpiredChildren(double expiryTime, NodeList removedChildren) is deprecated (warning is printed), when subclassing use PagedLOD::removeExpiredChildren(double expiryTime, int expiryFrame, NodeList removedChildren) instead. Regards, Maciej Krol 2008/8/3 Robert Osfield [EMAIL PROTECTED] Hi John, As others have pointed out, what you are seeing is the removal of expired subgraphs. The DatabasePager is built around continuous update of the scene graph - both for loading of new subgraphs, compiling of subgraphs, merging of subgraphs and removal of expired subgraphs. As such paging databases aren't appropriate to non continuous updated apps, you could fudge things by upping the expiry delay on the DatabasePager. Doing periodic renders of the scene would also allow things to tick along. Robert. On Wed, Jul 30, 2008 at 1:39 PM, John Vidar Larring [EMAIL PROTECTED] wrote: Hi all, Background: --- In our application the user can set up scenes ( or sequences as we call them) for playback on a timeline (e.g. seq.1 - transition - seg.2 - transition ... seq.N). Some scenes are too complex to render real-time and are recorded to movies before playback. Hence, when scenes are edited by the user all scenes are redrawn as needed rather than continuously to avoid sluggish GUI response. Problem: _Sometimes_ when the scene is redrawn in edit mode (i.e. redraw only if needed), the pagedLOD DB (osgTerrain) drops to the lowest detail level (Ref. osg_original.jpg and osg_problem.jpg). This behavior seems to appear at randomly. In playback mode (i.e. when frame rate is constant) the problem never occurs. Reproduce / Code example: -- The problem has been reproduces in a small test program (osgtest_source_code.tgz) derived from the osgviewerQT example (since we are using Qt 4.x in our application). To reproduce: run the compiled application: 'osgtest -t your osgTerrain db' . To trigger refreshes, occlude parts of the window with another window. The problem typically reveals itself when at a redraw or when the window looses focus (be patient, since this happens randomly it may take some time before the problem occurs). Since I'm still quite new to OSG, I'm not sure where to look for a solution. Hopefully someone will spot the obvious error in the sample code. Any advice is highly appreciated. Versions: - OSG svn rev 8700 Qt 4.2.3 Best regards, John Larring -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- Regards, Maciej Krol ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Matrix Manipulators and set coordinate frame callback. Different behavior in 2.4?
Robert,
Thanks for the reply.
I goofed. When using Producer, whatever the default GA is,for #1, it
doesn't seem to call the callback.
Using #2 - #4 are fine. By #'s I mean pressing keyboard key 1-4 to
change the manipulator.
So now I am using #4.
Chris
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Robert
Osfield
Sent: Sunday, August 03, 2008 7:09 AM
To: OpenSceneGraph Users
Subject: Re: [osg-users] Matrix Manipulators and set coordinate frame
callback. Different behavior in 2.4?
Hi Chris,
I'm not entirely clear on what bit isn't working, is it that you are
using osgProducer::Viewer from osgProducer SVN with
OpenSceneGraph-2.4 and this is behaving differently from osgProducer and
OpenSceneGaph-1.2?
Robert.
On Mon, Jul 28, 2008 at 4:19 PM, Dorosky, Christopher G
[EMAIL PROTECTED] wrote:
Hello all,
Under OSG 1.2, I controlled the orientation of an osgGA manipulator
through the use of a coordinate frame callback.
Under 2.4, I am using the same exact code, but the callback never
happens.
Here is the code snippet. Viewer is osgProducer (yes, still).
This loop runs 4 times.
Viewer-getKeySwitchMatrixManipulator()-setHomePosition(eyeECEF,
centerECEF, upECEF, false);
cECEFFrameCB *cb = new cECEFFrameCB;
for(unsigned int i = 0; i
Viewer-getKeySwitchMatrixManipulator()-getNumMatrixManipulators();
i++)
{
osgGA::MatrixManipulator *mm =
Viewer-getKeySwitchMatrixManipulator()-getMatrixManipulatorWithIndex
Viewer-(i
);
if(mm)
{
mm-setCoordinateFrameCallback(cb);
mm-setHomePosition(eyeECEF, centerECEF,
upECEF, false);
}
}
Where the ECEFFrameCB is derived from the
osgGA:MatrixManipulator::CoordinateFrameCallback.
I put a print in there, and it is never called.
Has this functionality been disabled?
What I am trying to do is set the up, side, and front vectors so that
the manipulator behaves better.
Thanks,
Chris
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[osg-users] OpenScenGraph-2.6.0-rc2 tagged
Hi All, I have now tagged the 2.6.0 release candidate 2, you can grab it from the downloads page: http://www.openscenegraph.org/projects/osg/wiki/Downloads Or more directly: * Zip file containing source code : OpenSceneGraph-2.6.0-rc2.zip * Subversion tag : svn co http://www.openscenegraph.org/svn/osg/OpenSceneGraph/tags/OpenSceneGraph-2.6.0-rc2 OpenSceneGraph * Subversion 2.6 series branch : svn co http://www.openscenegraph.org/svn/osg/OpenSceneGraph/branches/OpenSceneGraph-2.6 OpenSceneGraph I have put together an initial draft of the press release (please review/comment/amend): http://www.openscenegraph.org/projects/osg/wiki/News/Press/OSG2.6 Please test on as many platforms as you can, as this is the last rc I'm planning, and as long as things go smoothly will press ahead an make the final 2.6.0 tomorrow. Then it'd be great if we can then get the binaries built and uploaded for the various platforms for Wednesday. Thanks in advance for testing. Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Matrix Manipulators and set coordinate frame callback. Different behavior in 2.4?
Hi Chris,
Just to be clear, does everything work as expected now?
Robert.
On Mon, Aug 4, 2008 at 4:00 PM, Dorosky, Christopher G
[EMAIL PROTECTED] wrote:
Robert,
Thanks for the reply.
I goofed. When using Producer, whatever the default GA is,for #1, it
doesn't seem to call the callback.
Using #2 - #4 are fine. By #'s I mean pressing keyboard key 1-4 to
change the manipulator.
So now I am using #4.
Chris
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Robert
Osfield
Sent: Sunday, August 03, 2008 7:09 AM
To: OpenSceneGraph Users
Subject: Re: [osg-users] Matrix Manipulators and set coordinate frame
callback. Different behavior in 2.4?
Hi Chris,
I'm not entirely clear on what bit isn't working, is it that you are
using osgProducer::Viewer from osgProducer SVN with
OpenSceneGraph-2.4 and this is behaving differently from osgProducer and
OpenSceneGaph-1.2?
Robert.
On Mon, Jul 28, 2008 at 4:19 PM, Dorosky, Christopher G
[EMAIL PROTECTED] wrote:
Hello all,
Under OSG 1.2, I controlled the orientation of an osgGA manipulator
through the use of a coordinate frame callback.
Under 2.4, I am using the same exact code, but the callback never
happens.
Here is the code snippet. Viewer is osgProducer (yes, still).
This loop runs 4 times.
Viewer-getKeySwitchMatrixManipulator()-setHomePosition(eyeECEF,
centerECEF, upECEF, false);
cECEFFrameCB *cb = new cECEFFrameCB;
for(unsigned int i = 0; i
Viewer-getKeySwitchMatrixManipulator()-getNumMatrixManipulators();
i++)
{
osgGA::MatrixManipulator *mm =
Viewer-getKeySwitchMatrixManipulator()-getMatrixManipulatorWithIndex
Viewer-(i
);
if(mm)
{
mm-setCoordinateFrameCallback(cb);
mm-setHomePosition(eyeECEF, centerECEF,
upECEF, false);
}
}
Where the ECEFFrameCB is derived from the
osgGA:MatrixManipulator::CoordinateFrameCallback.
I put a print in there, and it is never called.
Has this functionality been disabled?
What I am trying to do is set the up, side, and front vectors so that
the manipulator behaves better.
Thanks,
Chris
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Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
Hi Robert, I have now tagged the 2.6.0 release candidate 2, you can grab it from the downloads page: I compiled right before you tagged, both on Windows Vista + VC2005 and on Ubuntu 8.04 on VirtualBox. All fine. I noticed though that Daniel Olivier is not in the AUTHORS.txt file, I specifically credited him for a fix to GraphicsWindowWin32.cpp (see svn log for revision 8706 on that file)... Any chance he can be added? It's only fair... Thanks, J-S -- __ Jean-Sebastien Guay[EMAIL PROTECTED] http://www.cm-labs.com/ http://whitestar02.webhop.org/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
Hi Robert, I have put together an initial draft of the press release (please review/comment/amend): http://www.openscenegraph.org/projects/osg/wiki/News/Press/OSG2.6 Forgot to mention, press release looks good. J-S -- __ Jean-Sebastien Guay[EMAIL PROTECTED] http://www.cm-labs.com/ http://whitestar02.webhop.org/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
Robert Osfield wrote: I have now tagged the 2.6.0 release candidate 2, you can grab it from the downloads page: SVN from 10:30 UTC today compiles properly and runs (tested only with 'osgviewer' and an AC3D model) on IRIX/N32 (MIPSPro) and Solaris/SPARC32 (SunStudio), Martin. -- Unix _IS_ user friendly - it's just selective about who its friends are ! -- ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Win32 problem with CompileContexts
Hi all,
I've made some investigations. First of all, I've tested several OSG
versions with the following code :
osgViewer::Viewer viewer;
viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded);
osg::DisplaySettings::instance()-setCompileContextsHint(true);
osg::DisplaySettings::instance()-setMaxNumberOfGraphicsContexts(1);
viewer.setUpViewInWindow(100, 100, 800, 600);
viewer.setCameraManipulator(new osgGA::TrackballManipulator());
viewer.realize();
if (osg::GraphicsContext::getCompileContext(0) != NULL)
{
osg::Image*image = osgDB::readImageFile(test.jpg);
osg::StateSet*stateset = new osg::StateSet();
osg::Texture2D *texture = new osg::Texture2D();
texture-setImage(image);
texture-setUnRefImageDataAfterApply(true);
texture-setInternalFormatMode(osg::Texture::USE_S3TC_DXT5_COMPRESSION);
stateset-setTextureAttributeAndModes(0, texture,
osg::StateAttribute::ON);
osg::GraphicsContext::getCompileContext(0)-makeCurrent();
stateset-compileGLObjects(*osg::GraphicsContext::getCompileContext(0)-getState());
osg::GraphicsContext::getCompileContext(0)-releaseContext();
if (texture-getImage() == NULL)
{
osg::notify(osg::NOTICE) Texture successfully applied !
std::endl;
}
viewer.setSceneData(createTexturedQuad(0, 0, 100, 100, stateset));
}
viewer.run();
(the createTexturedQuad function just returns a geode with a quad and the
texture applied on it).
Here are my results :
- OSG 2.2 and OSG 2.4 : it seems to work, I have the Texture successfully
applied ! message and my quad have the texture on it. Note : if I don't
specify the setMaxNumberOfGraphicsContexts, my image is not unref but it
still works.
- Latest SVN : If setMaxNumberOfGraphicsContexts is not set to 1, it crash.
If it's set, I got the Texture successfully applied ! message but my quad
has no texture applied on it.
Robert, have you any hint on where to look next ? You told it works on
Linux, so do you think it will be usefull to start looking at the
modifications on the Win32 implementation of osgViewer since OSG 2.4 ?
On Mon, Aug 4, 2008 at 2:14 PM, Serge Lages [EMAIL PROTECTED] wrote:
Some time ago it worked for me (the same time when we were able to make
glGetString calls outside a draw callbacks).
I'll try to make some tests this afternoon and let you know how it goes.
On Mon, Aug 4, 2008 at 1:56 PM, Glenn Waldron [EMAIL PROTECTED] wrote:
FWIW I have never been able to get compile contexts to work on Windows
since the feature was introduced. So I believe the issue goes back a ways
(i.e., is not particular to 2.6).
HTH- Glenn
On Mon, Aug 4, 2008 at 6:17 AM, Adrian Egli OpenSceneGraph (3D)
[EMAIL PROTECTED] wrote:
Hi Robert,
i just come tested under windows vista, same as problem as Serge reported
:-(
PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: The
requested resource is in use.
2008/8/4 Robert Osfield [EMAIL PROTECTED]
Hi Serge,
I've been doing testing the compile context support using osgviewer on
paged database I have and it all works without error so far. I'm
using Kubuntu 7.10 and 7800GT. I enable compile contexts via:
export OSG_COMPILE_CONTEXTS=ON
osgviewer pagedmodel.ive --SingleThreaded
I tried the whole range of threading models without incident.
So this problem looks to be a Windows issue. My guess is that the
error report of about a problem with make current is what is the early
warning of something not working quite right. I'm afraid I can't do
much to investigate this myself though as I have no Windows box to
test against.
Robert.
On Thu, Jul 31, 2008 at 9:44 AM, Serge Lages [EMAIL PROTECTED]
wrote:
Hi all,
I am currently trying to use CompileContexts on my application, but
just
doing this :
osgViewer::Viewerviewer;
viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded);
osg::DisplaySettings::instance()-setCompileContextsHint(true);
return (viewer.run());
The application crash into glExtensions.cpp line 46 (trying to get the
GL
version with glGetString( GL_VERSION )).
Before the crash I have this error message :
PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: La
ressource demandé est en cours d'utilisation.
or in english something like that :
PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: the
wanted resource is already being used.
Any idea on what's happening ?
My system : WinXP with SVN head, VS 8 Express, NVIDIA 8600GTS
Thanks in advance !
--
Serge Lages
http://www.tharsis-software.com
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Re: [osg-users] Win32 problem with CompileContexts
Currently it doesn't work with OSG 2.4 as I said (the behavior is strange
with this version, in some case it works, in other not). But with 2.2 it
still works in all case.
On Mon, Aug 4, 2008 at 5:31 PM, Serge Lages [EMAIL PROTECTED] wrote:
Hi all,
I've made some investigations. First of all, I've tested several OSG
versions with the following code :
osgViewer::Viewer viewer;
viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded);
osg::DisplaySettings::instance()-setCompileContextsHint(true);
osg::DisplaySettings::instance()-setMaxNumberOfGraphicsContexts(1);
viewer.setUpViewInWindow(100, 100, 800, 600);
viewer.setCameraManipulator(new osgGA::TrackballManipulator());
viewer.realize();
if (osg::GraphicsContext::getCompileContext(0) != NULL)
{
osg::Image*image = osgDB::readImageFile(test.jpg);
osg::StateSet*stateset = new osg::StateSet();
osg::Texture2D *texture = new osg::Texture2D();
texture-setImage(image);
texture-setUnRefImageDataAfterApply(true);
texture-setInternalFormatMode(osg::Texture::USE_S3TC_DXT5_COMPRESSION);
stateset-setTextureAttributeAndModes(0, texture,
osg::StateAttribute::ON);
osg::GraphicsContext::getCompileContext(0)-makeCurrent();
stateset-compileGLObjects(*osg::GraphicsContext::getCompileContext(0)-getState());
osg::GraphicsContext::getCompileContext(0)-releaseContext();
if (texture-getImage() == NULL)
{
osg::notify(osg::NOTICE) Texture successfully applied !
std::endl;
}
viewer.setSceneData(createTexturedQuad(0, 0, 100, 100, stateset));
}
viewer.run();
(the createTexturedQuad function just returns a geode with a quad and the
texture applied on it).
Here are my results :
- OSG 2.2 and OSG 2.4 : it seems to work, I have the Texture successfully
applied ! message and my quad have the texture on it. Note : if I don't
specify the setMaxNumberOfGraphicsContexts, my image is not unref but it
still works.
- Latest SVN : If setMaxNumberOfGraphicsContexts is not set to 1, it crash.
If it's set, I got the Texture successfully applied ! message but my quad
has no texture applied on it.
Robert, have you any hint on where to look next ? You told it works on
Linux, so do you think it will be usefull to start looking at the
modifications on the Win32 implementation of osgViewer since OSG 2.4 ?
On Mon, Aug 4, 2008 at 2:14 PM, Serge Lages [EMAIL PROTECTED] wrote:
Some time ago it worked for me (the same time when we were able to make
glGetString calls outside a draw callbacks).
I'll try to make some tests this afternoon and let you know how it goes.
On Mon, Aug 4, 2008 at 1:56 PM, Glenn Waldron [EMAIL PROTECTED] wrote:
FWIW I have never been able to get compile contexts to work on Windows
since the feature was introduced. So I believe the issue goes back a ways
(i.e., is not particular to 2.6).
HTH- Glenn
On Mon, Aug 4, 2008 at 6:17 AM, Adrian Egli OpenSceneGraph (3D)
[EMAIL PROTECTED] wrote:
Hi Robert,
i just come tested under windows vista, same as problem as Serge
reported :-(
PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: The
requested resource is in use.
2008/8/4 Robert Osfield [EMAIL PROTECTED]
Hi Serge,
I've been doing testing the compile context support using osgviewer on
paged database I have and it all works without error so far. I'm
using Kubuntu 7.10 and 7800GT. I enable compile contexts via:
export OSG_COMPILE_CONTEXTS=ON
osgviewer pagedmodel.ive --SingleThreaded
I tried the whole range of threading models without incident.
So this problem looks to be a Windows issue. My guess is that the
error report of about a problem with make current is what is the early
warning of something not working quite right. I'm afraid I can't do
much to investigate this myself though as I have no Windows box to
test against.
Robert.
On Thu, Jul 31, 2008 at 9:44 AM, Serge Lages [EMAIL PROTECTED]
wrote:
Hi all,
I am currently trying to use CompileContexts on my application, but
just
doing this :
osgViewer::Viewerviewer;
viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded);
osg::DisplaySettings::instance()-setCompileContextsHint(true);
return (viewer.run());
The application crash into glExtensions.cpp line 46 (trying to get
the GL
version with glGetString( GL_VERSION )).
Before the crash I have this error message :
PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: La
ressource demandé est en cours d'utilisation.
or in english something like that :
PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error:
the
wanted resource is already being used.
Any idea on what's happening ?
My system : WinXP with SVN head, VS 8 Express, NVIDIA 8600GTS
Thanks in advance !
--
Serge Lages
Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
On Mon, Aug 4, 2008 at 4:09 PM, Jean-Sébastien Guay [EMAIL PROTECTED] wrote: I compiled right before you tagged, both on Windows Vista + VC2005 and on Ubuntu 8.04 on VirtualBox. All fine. Thanks for the testing. I noticed though that Daniel Olivier is not in the AUTHORS.txt file, I specifically credited him for a fix to GraphicsWindowWin32.cpp (see svn log for revision 8706 on that file)... Any chance he can be added? It's only fair... The AUTHORS file is automotically generated, in this instance from svn trunk, if this differs then it'll because the svn merge isn't pulling in the commit messages from the branch or perhaps just because the credit isn't done in a way that osgversion picks up. Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] Viewer/CompositeViewer
I'm starting to convert several apps from OSG 1.X to the current release. I've read the posts regarding Viewer and CompositeViewer and want to make sure I'm understanding it right. If you don't mind a few beginner questions... 1) Viewer (which is a View) can have one or more Cameras, but if using multiple Cameras, they are positionally slaved to the single View Camera by offset matrices, right? 2) The slaved Cameras can share the subgraph (Scene) below the View Camera, but if desired, they could have their own subgraphs? 3) It seems that generally, since the slaves are offset from the View master camera, for most applications, they would share the same Scene, right? 4) CompositeViewer (which contains Views) can be more flexible since each View Camera can be independently positioned (i.e., different views of the same Scene, but where Camera 2 doesn't necessarily follow Camera 1). 5) The View(s) within a CompositeViewer could themselves be single-Camera or master-slave configurations. 6) It seems that a CompositeViewer with a few Views could be functionally equivalent to a Viewer with slave Cameras provided the user positions the CompositeViewer Views with respect to a designated master View in real-time? 7) I see some efficiencies, such as a master-slave View applying the Update traversal only once to the shared Scene. Are there any other significant benefits (e.g., cull, rendering, state) that make a Viewer master-slave setup more efficient than the equivalent manually-slaved Views in a CompositeViewer? Sorry for the length, but I hope this post might be useful to others just starting the 1.X to 2.X conversion. Thanks! Dan Guinther **Looking for a car that's sporty, fun and fits in your budget? Read reviews on AOL Autos. (http://autos.aol.com/cars-BMW-128-2008/expert-review?ncid=aolaut000517 ) ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Win32 problem with CompileContexts
Hi Serge,
The code looks to be a bit suspect to me. The problem is that the
CompileContextHint will tell osgViewer to try and create a compile
context for each window it creates, and then start a thread for each
of these compile context, this thread will have the a makeCurrent()
internally and then assume that this thread has the context.
However, with your code you go ahead a do a
makeCurrent()/releaseContext() in the main thread so that the compile
contexts graphics thread will no longer have the context current and
any further OpenGL calls in that thread will fail. The fact that
this ever worked is surprising...
If you do want to do a precompile in the way you are doing it'd be
best to manually create the compile context, use it, then start the
thread on it, or just then discard the context.
Robert.
On Mon, Aug 4, 2008 at 4:31 PM, Serge Lages [EMAIL PROTECTED] wrote:
Hi all,
I've made some investigations. First of all, I've tested several OSG
versions with the following code :
osgViewer::Viewer viewer;
viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded);
osg::DisplaySettings::instance()-setCompileContextsHint(true);
osg::DisplaySettings::instance()-setMaxNumberOfGraphicsContexts(1);
viewer.setUpViewInWindow(100, 100, 800, 600);
viewer.setCameraManipulator(new osgGA::TrackballManipulator());
viewer.realize();
if (osg::GraphicsContext::getCompileContext(0) != NULL)
{
osg::Image*image = osgDB::readImageFile(test.jpg);
osg::StateSet*stateset = new osg::StateSet();
osg::Texture2D *texture = new osg::Texture2D();
texture-setImage(image);
texture-setUnRefImageDataAfterApply(true);
texture-setInternalFormatMode(osg::Texture::USE_S3TC_DXT5_COMPRESSION);
stateset-setTextureAttributeAndModes(0, texture,
osg::StateAttribute::ON);
osg::GraphicsContext::getCompileContext(0)-makeCurrent();
stateset-compileGLObjects(*osg::GraphicsContext::getCompileContext(0)-getState());
osg::GraphicsContext::getCompileContext(0)-releaseContext();
if (texture-getImage() == NULL)
{
osg::notify(osg::NOTICE) Texture successfully applied !
std::endl;
}
viewer.setSceneData(createTexturedQuad(0, 0, 100, 100, stateset));
}
viewer.run();
(the createTexturedQuad function just returns a geode with a quad and the
texture applied on it).
Here are my results :
- OSG 2.2 and OSG 2.4 : it seems to work, I have the Texture successfully
applied ! message and my quad have the texture on it. Note : if I don't
specify the setMaxNumberOfGraphicsContexts, my image is not unref but it
still works.
- Latest SVN : If setMaxNumberOfGraphicsContexts is not set to 1, it crash.
If it's set, I got the Texture successfully applied ! message but my quad
has no texture applied on it.
Robert, have you any hint on where to look next ? You told it works on
Linux, so do you think it will be usefull to start looking at the
modifications on the Win32 implementation of osgViewer since OSG 2.4 ?
On Mon, Aug 4, 2008 at 2:14 PM, Serge Lages [EMAIL PROTECTED] wrote:
Some time ago it worked for me (the same time when we were able to make
glGetString calls outside a draw callbacks).
I'll try to make some tests this afternoon and let you know how it goes.
On Mon, Aug 4, 2008 at 1:56 PM, Glenn Waldron [EMAIL PROTECTED] wrote:
FWIW I have never been able to get compile contexts to work on Windows
since the feature was introduced. So I believe the issue goes back a ways
(i.e., is not particular to 2.6).
HTH- Glenn
On Mon, Aug 4, 2008 at 6:17 AM, Adrian Egli OpenSceneGraph (3D)
[EMAIL PROTECTED] wrote:
Hi Robert,
i just come tested under windows vista, same as problem as Serge
reported :-(
PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: The
requested resource is in use.
2008/8/4 Robert Osfield [EMAIL PROTECTED]
Hi Serge,
I've been doing testing the compile context support using osgviewer on
paged database I have and it all works without error so far. I'm
using Kubuntu 7.10 and 7800GT. I enable compile contexts via:
export OSG_COMPILE_CONTEXTS=ON
osgviewer pagedmodel.ive --SingleThreaded
I tried the whole range of threading models without incident.
So this problem looks to be a Windows issue. My guess is that the
error report of about a problem with make current is what is the early
warning of something not working quite right. I'm afraid I can't do
much to investigate this myself though as I have no Windows box to
test against.
Robert.
On Thu, Jul 31, 2008 at 9:44 AM, Serge Lages [EMAIL PROTECTED]
wrote:
Hi all,
I am currently trying to use CompileContexts on my application, but
just
doing this :
osgViewer::Viewerviewer;
viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded);
Re: [osg-users] Viewer/CompositeViewer
Hi Dan, You are mostly on the right track. A couple of clarifications: A view has a single Master Camera accessed via view.getCamera() A view has an optional list of zero to many Slave Camera. A view's Master Camera can be active (have its own GraphicsContext) or passive (no GraphicsContext). A Slave Camera can choose whether to use the same scene graph as the master, or have its own local scene graph A CompositeViewer with multiple Views that share the same scene graph (wrapped up by osgViewer::Scene) will only need to do a single update traversal per Scene. The is no performance advantage of using osgViewer::Viewer with multiple slaves over osgViewer::CompositeViewer with multiple Views, internally all the rendering and threading is the same. CompositeViewer provides event handling/camera manipulators per View, and the option of having separate scene graph, so makes it far more suitable for apps with multiple views. Slave Camera main usage is in doing multichannel displays or distortion correction. Robert. On Mon, Aug 4, 2008 at 5:21 PM, [EMAIL PROTECTED] wrote: I'm starting to convert several apps from OSG 1.X to the current release. I've read the posts regarding Viewer and CompositeViewer and want to make sure I'm understanding it right. If you don't mind a few beginner questions... 1) Viewer (which is a View) can have one or more Cameras, but if using multiple Cameras, they are positionally slaved to the single View Camera by offset matrices, right? 2) The slaved Cameras can share the subgraph (Scene) below the View Camera, but if desired, they could have their own subgraphs? 3) It seems that generally, since the slaves are offset from the View master camera, for most applications, they would share the same Scene, right? 4) CompositeViewer (which contains Views) can be more flexible since each View Camera can be independently positioned (i.e., different views of the same Scene, but where Camera 2 doesn't necessarily follow Camera 1). 5) The View(s) within a CompositeViewer could themselves be single-Camera or master-slave configurations. 6) It seems that a CompositeViewer with a few Views could be functionally equivalent to a Viewer with slave Cameras provided the user positions the CompositeViewer Views with respect to a designated master View in real-time? 7) I see some efficiencies, such as a master-slave View applying the Update traversal only once to the shared Scene. Are there any other significant benefits (e.g., cull, rendering, state) that make a Viewer master-slave setup more efficient than the equivalent manually-slaved Views in a CompositeViewer? Sorry for the length, but I hope this post might be useful to others just starting the 1.X to 2.X conversion. Thanks! Dan Guinther Looking for a car that's sporty, fun and fits in your budget? Read reviews on AOL Autos. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Viewer/CompositeViewer
Slaves can be moved independently of the main camera by setting their reference frames to ABSOLUTE_RF. Otherwise, yes, they are offset from the main camera. Yes, slaves can either share the main graph or may have their own subgraphs. Typically, yes, though this all depends on what they're being used for. I have used a slave to provide an orthographic overlay (HUD) projection, which has its own unique subgraph. A single Viewer should be used when there is a single conceptual view, while CompositeViewer should be used when there is more than one. See the Viewer vs. Composite viewer programming guide on the OSG site for more discussion on this (including usage examples). Matthew W. Fuesz Software Engineer Asc. Lockheed Martin STS 1210 Massillon Road Akron, OH 44315 [EMAIL PROTECTED] From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Monday, August 04, 2008 12:21 PM To: osg-users@lists.openscenegraph.org Subject: [osg-users] Viewer/CompositeViewer I'm starting to convert several apps from OSG 1.X to the current release. I've read the posts regarding Viewer and CompositeViewer and want to make sure I'm understanding it right. If you don't mind a few beginner questions... 1) Viewer (which is a View) can have one or more Cameras, but if using multiple Cameras, they are positionally slaved to the single View Camera by offset matrices, right? 2) The slaved Cameras can share the subgraph (Scene) below the View Camera, but if desired, they could have their own subgraphs? 3) It seems that generally, since the slaves are offset from the View master camera, for most applications, they would share the same Scene, right? 4) CompositeViewer (which contains Views) can be more flexible since each View Camera can be independently positioned (i.e., different views of the same Scene, but where Camera 2 doesn't necessarily follow Camera 1). 5) The View(s) within a CompositeViewer could themselves be single-Camera or master-slave configurations. 6) It seems that a CompositeViewer with a few Views could be functionally equivalent to a Viewer with slave Cameras provided the user positions the CompositeViewer Views with respect to a designated master View in real-time? 7) I see some efficiencies, such as a master-slave View applying the Update traversal only once to the shared Scene. Are there any other significant benefits (e.g., cull, rendering, state) that make a Viewer master-slave setup more efficient than the equivalent manually-slaved Views in a CompositeViewer? Sorry for the length, but I hope this post might be useful to others just starting the 1.X to 2.X conversion. Thanks! Dan Guinther Looking for a car that's sporty, fun and fits in your budget? Read reviews on AOL Autos http://autos.aol.com/cars-BMW-128-2008/expert-review?ncid=aolaut0005000 017 . ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Viewer/CompositeViewer
Whoops - forgot to include the numbers referencing the original email. Added them below. Matthew W. Fuesz Software Engineer Asc. Lockheed Martin STS 1210 Massillon Road Akron, OH 44315 [EMAIL PROTECTED] From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Fuesz, Matthew Sent: Monday, August 04, 2008 12:31 PM To: OpenSceneGraph Users Subject: Re: [osg-users] Viewer/CompositeViewer 1 - Slaves can be moved independently of the main camera by setting their reference frames to ABSOLUTE_RF. Otherwise, yes, they are offset from the main camera. 2 - Yes, slaves can either share the main graph or may have their own subgraphs. 3 - Typically, yes, though this all depends on what they're being used for. I have used a slave to provide an orthographic overlay (HUD) projection, which has its own unique subgraph. A single Viewer should be used when there is a single conceptual view, while CompositeViewer should be used when there is more than one. See the Viewer vs. Composite viewer programming guide on the OSG site for more discussion on this (including usage examples). Matthew W. Fuesz Software Engineer Asc. Lockheed Martin STS 1210 Massillon Road Akron, OH 44315 [EMAIL PROTECTED] From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Monday, August 04, 2008 12:21 PM To: osg-users@lists.openscenegraph.org Subject: [osg-users] Viewer/CompositeViewer I'm starting to convert several apps from OSG 1.X to the current release. I've read the posts regarding Viewer and CompositeViewer and want to make sure I'm understanding it right. If you don't mind a few beginner questions... 1) Viewer (which is a View) can have one or more Cameras, but if using multiple Cameras, they are positionally slaved to the single View Camera by offset matrices, right? 2) The slaved Cameras can share the subgraph (Scene) below the View Camera, but if desired, they could have their own subgraphs? 3) It seems that generally, since the slaves are offset from the View master camera, for most applications, they would share the same Scene, right? 4) CompositeViewer (which contains Views) can be more flexible since each View Camera can be independently positioned (i.e., different views of the same Scene, but where Camera 2 doesn't necessarily follow Camera 1). 5) The View(s) within a CompositeViewer could themselves be single-Camera or master-slave configurations. 6) It seems that a CompositeViewer with a few Views could be functionally equivalent to a Viewer with slave Cameras provided the user positions the CompositeViewer Views with respect to a designated master View in real-time? 7) I see some efficiencies, such as a master-slave View applying the Update traversal only once to the shared Scene. Are there any other significant benefits (e.g., cull, rendering, state) that make a Viewer master-slave setup more efficient than the equivalent manually-slaved Views in a CompositeViewer? Sorry for the length, but I hope this post might be useful to others just starting the 1.X to 2.X conversion. Thanks! Dan Guinther Looking for a car that's sporty, fun and fits in your budget? Read reviews on AOL Autos http://autos.aol.com/cars-BMW-128-2008/expert-review?ncid=aolaut0005000 017 . ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Removing colors and lighing from model?
LIGHTING ON: xxx-getOrCreateStateSet()-setMode(GL_LIGHTING,osg::StateAttribute::ON | osg::StateAttribute::OVERRIDE); LIGHTING OFF: xxx-getOrCreateStateSet()-setMode(GL_LIGHTING,osg::StateAttribute::OFF | osg::StateAttribute::OVERRIDE); 04.08.08, 16:18, Robert Osfield [EMAIL PROTECTED]: Hi Sam, On Mon, Aug 4, 2008 at 10:56 AM, Sam [EMAIL PROTECTED] wrote: I hope there will be a name now, otherwise call me Sam :) Yep, name came through thanks. Named posts help keep an informal and friendly atmosphere on the list ;-) The funny thing is that disabling light worked before on other models, while assigning emission color, the objects have color, no matter if lighting is on or off (actually it is not full white, but I am on it) The OpenGL material/lighting behaviour can be a bit perplexing, I'd recommend reading well up on OpenGL materials and lighting. The other problem was solved by using the StatsVisitor (which I wanted to avoid). Traversing nodes clearing states and setting color arrays to 0 helped. If you disable he glColorMaterial contribution off then the vertex colour arrays won't have any effect, in the OSG you can do this via: material-setColorMode(osg::Material::OFF); Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- Яндекс.Открытки. Дорого внимание http://cards.yandex.ru/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Win32 problem with CompileContexts
You're right, my test wasn't correct.
I've made a new one (see below), and it doesn't work on any OSG version...
:/ It crash everywhere on glGetString because the makeCurrent failed on the
PixelBuffer.
I'll try to work on it tomorrow, any idea on where to look ? :) Are
PixelBuffer not working at all under Windows or just having troubles with
the CompileContext ?
Here is my new test :
class CustomOperation : public osg::Operation
{
public:
CustomOperation() : osg::Operation(CustomOperation, true) {}
void operator()(osg::Object *object)
{
osgViewer::Viewer*viewer = dynamic_castosgViewer::Viewer
*(object);
// Do my task
if (viewer == NULL _node == NULL)
{
osg::Image*image = osgDB::readImageFile(test.jpg);
osg::StateSet*stateset = new osg::StateSet();
osg::Texture2D*texture = new osg::Texture2D();
texture-setImage(image);
texture-setUnRefImageDataAfterApply(true);
texture-setInternalFormatMode(osg::Texture::USE_S3TC_DXT5_COMPRESSION);
stateset-setTextureAttributeAndModes(0, texture,
osg::StateAttribute::ON);
stateset-compileGLObjects(*osg::GraphicsContext::getCompileContext(0)-getState());
if (texture-getImage() == NULL)
{
osg::notify(osg::NOTICE) Image successfully applied !
std::endl;
}
_node = createTexturedQuad(osg::Vec2(), 100, 100, stateset);
}
// Update the scene
else if (_node != NULL
viewer-getSceneData()-asGroup()-getNumChildren() == 0)
{
osg::notify(osg::NOTICE) Node merged to the graph !
std::endl;
viewer-getSceneData()-asGroup()-addChild(_node.get());
}
}
private:
osg::ref_ptrosg::Node_node;
};
int main(int ac, char **av)
{
osgViewer::Viewerviewer;
viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded);
osg::DisplaySettings::instance()-setCompileContextsHint(true);
osg::DisplaySettings::instance()-setMaxNumberOfGraphicsContexts(1);
viewer.setUpViewInWindow(100, 100, 800, 600);
viewer.setCameraManipulator(new osgGA::TrackballManipulator());
viewer.setSceneData(new osg::Group());
viewer.realize();
if (osg::GraphicsContext::getCompileContext(0) != NULL
osg::GraphicsContext::getCompileContext(0)-getGraphicsThread() !=
NULL)
{
CustomOperation*operation = new CustomOperation();
osg::GraphicsContext::getCompileContext(0)-getGraphicsThread()-add(operation);
viewer.addUpdateOperation(operation);
osg::notify(osg::NOTICE) Operation successfully added !
std::endl;
}
viewer.run();
}
On Mon, Aug 4, 2008 at 6:22 PM, Robert Osfield [EMAIL PROTECTED]wrote:
Hi Serge,
The code looks to be a bit suspect to me. The problem is that the
CompileContextHint will tell osgViewer to try and create a compile
context for each window it creates, and then start a thread for each
of these compile context, this thread will have the a makeCurrent()
internally and then assume that this thread has the context.
However, with your code you go ahead a do a
makeCurrent()/releaseContext() in the main thread so that the compile
contexts graphics thread will no longer have the context current and
any further OpenGL calls in that thread will fail. The fact that
this ever worked is surprising...
If you do want to do a precompile in the way you are doing it'd be
best to manually create the compile context, use it, then start the
thread on it, or just then discard the context.
Robert.
On Mon, Aug 4, 2008 at 4:31 PM, Serge Lages [EMAIL PROTECTED] wrote:
Hi all,
I've made some investigations. First of all, I've tested several OSG
versions with the following code :
osgViewer::Viewer viewer;
viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded);
osg::DisplaySettings::instance()-setCompileContextsHint(true);
osg::DisplaySettings::instance()-setMaxNumberOfGraphicsContexts(1);
viewer.setUpViewInWindow(100, 100, 800, 600);
viewer.setCameraManipulator(new osgGA::TrackballManipulator());
viewer.realize();
if (osg::GraphicsContext::getCompileContext(0) != NULL)
{
osg::Image*image = osgDB::readImageFile(test.jpg);
osg::StateSet*stateset = new osg::StateSet();
osg::Texture2D *texture = new osg::Texture2D();
texture-setImage(image);
texture-setUnRefImageDataAfterApply(true);
texture-setInternalFormatMode(osg::Texture::USE_S3TC_DXT5_COMPRESSION);
stateset-setTextureAttributeAndModes(0, texture,
osg::StateAttribute::ON);
osg::GraphicsContext::getCompileContext(0)-makeCurrent();
stateset-compileGLObjects(*osg::GraphicsContext::getCompileContext(0)-getState());
osg::GraphicsContext::getCompileContext(0)-releaseContext();
if
Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
I will not have time to try it because of vacation, but often there are issue about packaging files (.pc ), so this is just a reminder to check it ;) Cedric Robert Osfield wrote: On Mon, Aug 4, 2008 at 4:09 PM, Jean-Sébastien Guay [EMAIL PROTECTED] wrote: I compiled right before you tagged, both on Windows Vista + VC2005 and on Ubuntu 8.04 on VirtualBox. All fine. Thanks for the testing. I noticed though that Daniel Olivier is not in the AUTHORS.txt file, I specifically credited him for a fix to GraphicsWindowWin32.cpp (see svn log for revision 8706 on that file)... Any chance he can be added? It's only fair... The AUTHORS file is automotically generated, in this instance from svn trunk, if this differs then it'll because the svn merge isn't pulling in the commit messages from the branch or perhaps just because the credit isn't done in a way that osgversion picks up. Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- +33 (0) 6 63 20 03 56 Cedric Pinson mailto:[EMAIL PROTECTED] http://www.plopbyte.net ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Win32 problem with CompileContexts
Hi Serge,
I can't right out whether your new code is safe, I would for starts
check the graphics context is being passed in by case the object to a
GraphicsContext* as well as the Viewer* just to make sure that it's be
called from the correct thread.
Rather than roll your own tests, could you just try enabling the
compile context via the setting the env var OSG_COMPILE_CONTEXTS to
ON, then running osgviewer on one your paged databases.
Robert.
On Mon, Aug 4, 2008 at 5:46 PM, Serge Lages [EMAIL PROTECTED] wrote:
You're right, my test wasn't correct.
I've made a new one (see below), and it doesn't work on any OSG version...
:/ It crash everywhere on glGetString because the makeCurrent failed on the
PixelBuffer.
I'll try to work on it tomorrow, any idea on where to look ? :) Are
PixelBuffer not working at all under Windows or just having troubles with
the CompileContext ?
Here is my new test :
class CustomOperation : public osg::Operation
{
public:
CustomOperation() : osg::Operation(CustomOperation, true) {}
void operator()(osg::Object *object)
{
osgViewer::Viewer*viewer = dynamic_castosgViewer::Viewer
*(object);
// Do my task
if (viewer == NULL _node == NULL)
{
osg::Image*image = osgDB::readImageFile(test.jpg);
osg::StateSet*stateset = new osg::StateSet();
osg::Texture2D*texture = new osg::Texture2D();
texture-setImage(image);
texture-setUnRefImageDataAfterApply(true);
texture-setInternalFormatMode(osg::Texture::USE_S3TC_DXT5_COMPRESSION);
stateset-setTextureAttributeAndModes(0, texture,
osg::StateAttribute::ON);
stateset-compileGLObjects(*osg::GraphicsContext::getCompileContext(0)-getState());
if (texture-getImage() == NULL)
{
osg::notify(osg::NOTICE) Image successfully applied !
std::endl;
}
_node = createTexturedQuad(osg::Vec2(), 100, 100, stateset);
}
// Update the scene
else if (_node != NULL
viewer-getSceneData()-asGroup()-getNumChildren() == 0)
{
osg::notify(osg::NOTICE) Node merged to the graph !
std::endl;
viewer-getSceneData()-asGroup()-addChild(_node.get());
}
}
private:
osg::ref_ptrosg::Node_node;
};
int main(int ac, char **av)
{
osgViewer::Viewerviewer;
viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded);
osg::DisplaySettings::instance()-setCompileContextsHint(true);
osg::DisplaySettings::instance()-setMaxNumberOfGraphicsContexts(1);
viewer.setUpViewInWindow(100, 100, 800, 600);
viewer.setCameraManipulator(new osgGA::TrackballManipulator());
viewer.setSceneData(new osg::Group());
viewer.realize();
if (osg::GraphicsContext::getCompileContext(0) != NULL
osg::GraphicsContext::getCompileContext(0)-getGraphicsThread() !=
NULL)
{
CustomOperation*operation = new CustomOperation();
osg::GraphicsContext::getCompileContext(0)-getGraphicsThread()-add(operation);
viewer.addUpdateOperation(operation);
osg::notify(osg::NOTICE) Operation successfully added !
std::endl;
}
viewer.run();
}
On Mon, Aug 4, 2008 at 6:22 PM, Robert Osfield [EMAIL PROTECTED]
wrote:
Hi Serge,
The code looks to be a bit suspect to me. The problem is that the
CompileContextHint will tell osgViewer to try and create a compile
context for each window it creates, and then start a thread for each
of these compile context, this thread will have the a makeCurrent()
internally and then assume that this thread has the context.
However, with your code you go ahead a do a
makeCurrent()/releaseContext() in the main thread so that the compile
contexts graphics thread will no longer have the context current and
any further OpenGL calls in that thread will fail. The fact that
this ever worked is surprising...
If you do want to do a precompile in the way you are doing it'd be
best to manually create the compile context, use it, then start the
thread on it, or just then discard the context.
Robert.
On Mon, Aug 4, 2008 at 4:31 PM, Serge Lages [EMAIL PROTECTED] wrote:
Hi all,
I've made some investigations. First of all, I've tested several OSG
versions with the following code :
osgViewer::Viewer viewer;
viewer.setThreadingModel(osgViewer::ViewerBase::SingleThreaded);
osg::DisplaySettings::instance()-setCompileContextsHint(true);
osg::DisplaySettings::instance()-setMaxNumberOfGraphicsContexts(1);
viewer.setUpViewInWindow(100, 100, 800, 600);
viewer.setCameraManipulator(new osgGA::TrackballManipulator());
viewer.realize();
if (osg::GraphicsContext::getCompileContext(0) != NULL)
{
osg::Image*image = osgDB::readImageFile(test.jpg);
osg::StateSet*stateset
Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
On Mon, Aug 4, 2008 at 6:00 PM, Cedric Pinson [EMAIL PROTECTED] wrote:
I will not have time to try it because of vacation, but often there are
issue about packaging files (.pc ), so this is just a reminder to check it
;)
This one is already covered :-)
# pkg-config source file
prefix=/usr
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include
Name: openscenegraph
Description: 3D scenegraph
Version: 2.6.0
Requires: openthreads
Conflicts:
Libs: -L${libdir} -losg -losgDB -losgFX -losgGA -losgParticle -losgSim
-losgText -losgUtil -losgTerrain -losgManipulator -losgViewer
Cflags: -I${includedir}
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Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
Hi Robert,
Libs: -L${libdir} -losg -losgDB -losgFX -losgGA -losgParticle -losgSim
-losgText -losgUtil -losgTerrain -losgManipulator -losgViewer
Not that I use Linux that much, or even know what these files are, but
wouldn't you want to add osgWidget in the above?
J-S
--
__
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http://www.cm-labs.com/
http://whitestar02.webhop.org/
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Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
I compiled OpenSceneGraph-2.6.0-rc2 on Windows Vista/XP + VC2008. All fine! ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] Problems with osgShadow
Hello all,
I would like create a scene with one object, which can receive shadows and
one object, which can cast a shadow.
So I create an osgShadow::ShadowedScene and I set the
ReceivesShadowTraversalMask (0x1) and the CastsShadowTraversalMask (0x2).
Then I set the ShadowTechnique on ShadowMap and add two nodes. For the first
node I set the node mask on 0x1 and for the second node I set the node mask
on 0x2. My problem is, the second node receive shadows, but this
http://dict.leo.org/ende?lp=endep=thMx..search=should should
http://dict.leo.org/ende?lp=endep=thMx..search=be be
http://dict.leo.org/ende?lp=endep=thMx..search=excluded excluded.
Here my code:
const int ReceivesShadowTraversalMask = 0x1;
const int CastsShadowTraversalMask = 0x2;
int main()
{
// scene node
osg::ref_ptrosg::Group root = new osg::Group;
// light node
osg::ref_ptrosg::LightSource ls = new osg::LightSource;
osg::ref_ptrosg::Light light = new osg::Light();
light-setPosition(osg::Vec4(20.0,80.0,80.0,1.0));
light-setAmbient(osg::Vec4(0.0,0.0,0.0,1.0));
ls-setLight(light.get());
root-addChild(ls.get());
// shadow scene
osg::ref_ptrosgShadow::ShadowedScene scene = new
osgShadow::ShadowedScene;
scene-setReceivesShadowTraversalMask(ReceivesShadowTraversalMask);
scene-setCastsShadowTraversalMask(CastsShadowTraversalMask);
// shadow map
osg::ref_ptrosgShadow::ShadowMap sm = new osgShadow::ShadowMap;
sm-setTextureSize(osg::Vec2s(2048,2048));
scene-setShadowTechnique(sm.get());
// load nodes
osg::ref_ptrosg::Node node01 =
osgDB::readNodeFile(../../objects/ebene.osg);
node01-setNodeMask(ReceivesShadowTraversalMask);
osg::ref_ptrosg::Node node02 =
osgDB::readNodeFile(../../objects/teekanne.osg);
node02-setNodeMask(CastsShadowTraversalMask);
scene-addChild(node01.get());
scene-addChild(node02.get());
root-addChild(scene.get());
// viewer
osgViewer::Viewer viewer;
viewer.setSceneData(root.get());
viewer.realize();
viewer.run();
return 0;
}
Can anyone help me?
Cheers,
Martin
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Re: [osg-users] Viewer/CompositeViewer
You are mostly on the right track. Good to hear... the previous postings described it, but I wanted to make sure I was getting it. A couple of clarifications: A view's Master Camera can be active (have its own GraphicsContext) or passive (no GraphicsContext). This is an area I haven't seen too much written about (maybe my archive search skills need to be better, though). Looking at osgCompositeViewer example... - I see where a CompositeViewer is created - I see where the -1 argument would create a view and add it to the viewer - I see where the -2 argument adds 2 views - I see where the -3 arg (or no args provided) not only creates views, but also creates Traits, then a GraphicsContext using the Traits, then passes the context to each of the Cameras it created Again, if you'll pardon beginner questions: 1) When the -1 or -2 arguments are used, is a default graphics context created? 2) In general, when should one consider creating a context per Camera vs. sharing a context between Cameras? 3) Can multiple cameras in the same Viewer have dramatically different context traits (e.g., different RGB depths or double-buffering enabled on one and not the other)? 4) (similar Q) If one View in a CompositeViewer had a Camera with a GraphicsContext with windowDecoration (in MS Windows, the border) enabled and another View had a GraphicsContext with decoration disabled, who wins? I'll stop here in case I'm missing a significant point in regards to GraphicsContexts. Under 1.X I had more or less associated them conceptually with Producer's RenderSurface and hadn't really taken the time to look deeper. Thanks again for the information on my earlier post - it really helps. Regards, Dan **Looking for a car that's sporty, fun and fits in your budget? Read reviews on AOL Autos. (http://autos.aol.com/cars-BMW-128-2008/expert-review?ncid=aolaut000517 ) ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Viewer/CompositeViewer
Slaves can be moved independently of the main camera by setting their reference frames to ABSOLUTE_RF. Otherwise, yes, they are offset from the main camera. Ahh, yes. That makes sense. I have used a slave to provide an orthographic overlay (HUD) projection, which has its own unique subgraph. Understood... several out the window cameras could track each other, and the HUD could be ABSOLUTE_RF with its own subgraph. A single Viewer should be used when there is a single conceptual view, while CompositeViewer should be used when there is more than one Right. Curious (this is probably just semantics)... if I had an out-the-window view and an inset bird's-eye view (same scene), would one think of this as a single conceptual view as it's all looking at the same scene? I see now how this could be done in either Viewer or CompositeViewer, but just curious as to what such as setup is considered conceptually. Thanks! Dan **Looking for a car that's sporty, fun and fits in your budget? Read reviews on AOL Autos. (http://autos.aol.com/cars-BMW-128-2008/expert-review?ncid=aolaut000517 ) ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
OSG 2.6.0-3c2 compiles and runs on 32-bit openSUSE 11.0. I did stumble upon one small issue with Virtual Planet Builder though. GCC 4.3.1 requires cstring to be included to support the calls made to memcmp and strchr in the file src/vpb/PropertyFile.cpp. After adding that include, VPB compiled and ran fine with 2.6.0-rc2. Ken ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] How can I use different shadow-map for different object.
Hi GammerMax? How can I use different shadow-map for different object. For example, I have a big plane and two trees on it. When I put these 3 objects into one ShadowScene texture stretches too much. Two ShadowScene doesn't work together, so I can't use more than one texture by object. I don't think the current shadow map implementation can support this. You're welcome to dive in and code it up, or you could use a more modern shadow technique like Parallel-Split Shadow Map (in OSG now, but a bit buggy) or the upcoming LiSPSM (after 2.6). Hope this helps, J-S -- __ Jean-Sebastien Guay[EMAIL PROTECTED] http://www.cm-labs.com/ http://whitestar02.webhop.org/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
Welcome back, Robert -- sounds like you had a great holiday. I have put together an initial draft of the press release (please review/comment/amend): http://www.openscenegraph.org/projects/osg/wiki/News/Press/OSG2.6 I made 2 minor typo/grammatical fixes, otherwise looks fine. -Paul ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Matrix Manipulators and set coordinate frame callback. Different behavior in 2.4?
Hi Chris, On Mon, Aug 4, 2008 at 8:00 PM, Dorosky, Christopher G [EMAIL PROTECTED] wrote: Works as expected for manipulators 2-4 (flight, drive, terrain). Doesn't work for #1, which is the trackball manipulator. Or maybe there is some problem selecting the trackball manipulator, but I don't think so. The TrackballManipulator doesn't reference the CoordinateFrame at all, as it doesn't need to for its operation as the trackball manipulation is effectively in screen space. Is it that you just want to set your own home position? Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
On Mon, Aug 4, 2008 at 6:35 PM, Jean-Sébastien Guay
[EMAIL PROTECTED] wrote:
Hi Robert,
Libs: -L${libdir} -losg -losgDB -losgFX -losgGA -losgParticle -losgSim
-losgText -losgUtil -losgTerrain -losgManipulator -losgViewer
Not that I use Linux that much, or even know what these files are, but
wouldn't you want to add osgWidget in the above?
Yes, it makes sense to add osgWidget, now added and checked into
svn/trunk and the OpenSceneGraph-2.6 branch.
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Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
Robert Osfield wrote: Hi All, I have now tagged the 2.6.0 release candidate 2, you can grab it from the downloads page: Robert, I have made some minor fixes to the build system for OSX, but they are not complete yet. I have been swamped with other pressing issues at work and have not finished the work I was starting. The following issues are known: libosgviewer will not build in 64-bit under Carbon (ppc64 or x86_64) osgviewerWX example will not build in 64-bit under Carbon or X11 (ppc64 or x86_64) I want to at least let the user know that the build will fail in the first case by adding a fatal error. I think I can just disable the latter example from building with 64-bit compiles. There may be a couple of other examples that do not compile under 64-bit. I am testing the build by making bundle applications. I'd really like these fixes to make it into this release. However, it's not ready yet. I can try to work on it tonight at home, if you can give me a day or so. Then I'd like at least a few others to test the build. If this is not feasible for this release, I understand, and life will go on, and these changes will make it to 2.6.1 or something. -Eric ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
Hi Ken, I've added a string.h to PropertyFile.cpp rather than cstring as some platforms don't have good Standard C++ lib support. Could you do an svn update on VPB and let me know if this compiles OK. Robert. On Mon, Aug 4, 2008 at 7:15 PM, Sewell, Kenneth R Civ USAF AFMC AFRL/RYZW [EMAIL PROTECTED] wrote: OSG 2.6.0-3c2 compiles and runs on 32-bit openSUSE 11.0. I did stumble upon one small issue with Virtual Planet Builder though. GCC 4.3.1 requires cstring to be included to support the calls made to memcmp and strchr in the file src/vpb/PropertyFile.cpp. After adding that include, VPB compiled and ran fine with 2.6.0-rc2. Ken ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
Robert Osfield wrote: Hi All, I have now tagged the 2.6.0 release candidate 2, you can grab it from the downloads page: http://www.openscenegraph.org/projects/osg/wiki/Downloads Or more directly: * Zip file containing source code : OpenSceneGraph-2.6.0-rc2.zip * Subversion tag : svn co http://www.openscenegraph.org/svn/osg/OpenSceneGraph/tags/OpenSceneGraph-2.6.0-rc2 OpenSceneGraph * Subversion 2.6 series branch : svn co http://www.openscenegraph.org/svn/osg/OpenSceneGraph/branches/OpenSceneGraph-2.6 OpenSceneGraph I have put together an initial draft of the press release (please review/comment/amend): http://www.openscenegraph.org/projects/osg/wiki/News/Press/OSG2.6 I made some really minor tweaks to some sentences and highlighted some of the tool names with italic. Paul ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
Eric Sokolowsky wrote: Robert Osfield wrote: Hi All, I have now tagged the 2.6.0 release candidate 2, you can grab it from the downloads page: libosgviewer will not build in 64-bit under Carbon (ppc64 or x86_64) osgviewerWX example will not build in 64-bit under Carbon or X11 (ppc64 or x86_64) What's the build error you get with osgviewerWX? Paul ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
Martin Spott wrote: SVN from 10:30 UTC today compiles properly and runs (tested only with 'osgviewer' and an AC3D model) on IRIX/N32 (MIPSPro) and Solaris/SPARC32 (SunStudio), Ok, the same applies to rc2 - OSG even properly honours the $DISPLAY when doing GLX over remote network connections ! Martin. -- Unix _IS_ user friendly - it's just selective about who its friends are ! -- ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Viewer/CompositeViewer
[EMAIL PROTECTED] wrote: Right. Curious (this is probably just semantics)... if I had an out-the-window view and an inset bird's-eye view (same scene), would one think of this as a single conceptual view as it's all looking at the same scene? I see now how this could be done in either Viewer or CompositeViewer, but just curious as to what such as setup is considered conceptually. I believe the intent would be to use CompositeViewer for that. Even though you're looking at the same scene with both cameras, they're really two distinct views. It's not as if your bird's eye view is a part of (or a slave to) the out-the-window view. --J ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] moving models...
Providing the code you use to set the translation and rotations may help
folks see what may be wrong
__
Gordon Tomlinson
[EMAIL PROTECTED]
IM: [EMAIL PROTECTED]
www.vis-sim.com www.gordontomlinson.com
__
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Tueller,
Shayne R Civ USAF AFMC 519 SMXS/MXDEC
Sent: Monday, August 04, 2008 7:13 PM
To: OpenSceneGraph Users
Subject: Re: [osg-users] moving models...
Ok, I updated the transform node as given below for position changes and
this seems to work. However, when I add an orientation update (i.e. multiply
the translation by a rotation) my model disappears completely. Any idea on
what's going on with that?
Thanks,
-Shayne
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of su hu
Sent: Saturday, August 02, 2008 3:19 AM
To: OpenSceneGraph Users
Subject: Re: [osg-users] moving models...
Shayne,
In my application, a global buffer is used to input data to osg thread from
other thread.
I used the method as same as Todd told you. setMatrix() is used to update
the matrix of that MatrixTransform node.
...
osg::ref_ptrosg::group root;
osg::ref_ptrosg::MatrixTransform MotionMatrix;
osg::ref_ptrosg::node MotionModelFile; //your motion
model
...
root-addchild(MotionMatrix);
MotionMatrix-addchild(MotionModelFile);
...
while((!Viewer.done)
{
...
if(Update is Needed)
//position is changed or other
MotionMatrix--setMatrix(osg::Matrix::translate(Pos)); //your
position data
...
Viewer.frame();
...
}
su hu
2008/8/2, Tueller, Shayne R Civ USAF AFMC 519 SMXS/MXDEC
[EMAIL PROTECTED]:
This is probably a silly and simple question, but does anyone have
an example of how to move a model explicitly without using a canned
animation? Most of the examples I've seen, update the position in an
animation using UpdateCallback.
I have a position update coming from another process outside the
scenegraph that I need to feed into the model to update its position. Do I
need to use an UpdateCallback or a NodeVisitor approach?
Any help would be most appreciated.
Thanks,
-Shayne
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Re: [osg-users] moving models...
Here's my code snippet...
...
while (!viewer-done())
{
if (model_update_needed)
mt-setMatrix(osg::Matrix::rotate(osg::inDegrees(heading),
0.0, 0.0, 1.0) *
osg::Matrix::translate(modelx, modely,
modelz));
...
viewer-frame();
}
In the code above, if I have just a translate, the model moves just fine as
position changes. Once I multiply by a rotation for a heading change, the
model disappears.
-Shayne
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Gordon
Tomlinson
Sent: Monday, August 04, 2008 5:18 PM
To: 'OpenSceneGraph Users'
Subject: Re: [osg-users] moving models...
Providing the code you use to set the translation and rotations may help
folks see what may be wrong
__
Gordon Tomlinson
[EMAIL PROTECTED]
IM: [EMAIL PROTECTED]
www.vis-sim.com www.gordontomlinson.com
__
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Tueller,
Shayne R Civ USAF AFMC 519 SMXS/MXDEC
Sent: Monday, August 04, 2008 7:13 PM
To: OpenSceneGraph Users
Subject: Re: [osg-users] moving models...
Ok, I updated the transform node as given below for position changes and
this seems to work. However, when I add an orientation update (i.e. multiply
the translation by a rotation) my model disappears completely. Any idea on
what's going on with that?
Thanks,
-Shayne
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of su hu
Sent: Saturday, August 02, 2008 3:19 AM
To: OpenSceneGraph Users
Subject: Re: [osg-users] moving models...
Shayne,
In my application, a global buffer is used to input data to osg thread from
other thread.
I used the method as same as Todd told you. setMatrix() is used to update
the matrix of that MatrixTransform node.
...
osg::ref_ptrosg::group root;
osg::ref_ptrosg::MatrixTransform MotionMatrix;
osg::ref_ptrosg::node MotionModelFile; //your motion
model
...
root-addchild(MotionMatrix);
MotionMatrix-addchild(MotionModelFile);
...
while((!Viewer.done)
{
...
if(Update is Needed)
//position is changed or other
MotionMatrix--setMatrix(osg::Matrix::translate(Pos)); //your
position data
...
Viewer.frame();
...
}
su hu
2008/8/2, Tueller, Shayne R Civ USAF AFMC 519 SMXS/MXDEC
[EMAIL PROTECTED]:
This is probably a silly and simple question, but does anyone have
an example of how to move a model explicitly without using a canned
animation? Most of the examples I've seen, update the position in an
animation using UpdateCallback.
I have a position update coming from another process outside the
scenegraph that I need to feed into the model to update its position. Do I
need to use an UpdateCallback or a NodeVisitor approach?
Any help would be most appreciated.
Thanks,
-Shayne
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smime.p7s
Description: S/MIME cryptographic signature
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Re: [osg-users] moving models...
see
http://www.vis-sim.com/osg/osg_faq_1.htm#f15
http://www.vis-sim.com/osg/osg_faq_1.htm#f16
http://www.cs.clemson.edu/~malloy/courses/3dgames-2007/tutor/web/rotation/ro
tation.html
http://www.palomino3d.org/pal/openscenegraph/
__
Gordon Tomlinson
[EMAIL PROTECTED]
IM: [EMAIL PROTECTED]
www.vis-sim.com www.gordontomlinson.com
__
-Original Message-
From: Tueller, Shayne R Civ USAF AFMC 519 SMXS/MXDEC
[mailto:[EMAIL PROTECTED]
Sent: Monday, August 04, 2008 7:30 PM
To: [EMAIL PROTECTED]; OpenSceneGraph Users
Subject: RE: [osg-users] moving models...
Here's my code snippet...
...
while (!viewer-done())
{
if (model_update_needed)
mt-setMatrix(osg::Matrix::rotate(osg::inDegrees(heading),
0.0, 0.0, 1.0) *
osg::Matrix::translate(modelx, modely,
modelz));
...
viewer-frame();
}
In the code above, if I have just a translate, the model moves just fine as
position changes. Once I multiply by a rotation for a heading change, the
model disappears.
-Shayne
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Gordon
Tomlinson
Sent: Monday, August 04, 2008 5:18 PM
To: 'OpenSceneGraph Users'
Subject: Re: [osg-users] moving models...
Providing the code you use to set the translation and rotations may help
folks see what may be wrong
__
Gordon Tomlinson
[EMAIL PROTECTED]
IM: [EMAIL PROTECTED]
www.vis-sim.com www.gordontomlinson.com
__
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Tueller,
Shayne R Civ USAF AFMC 519 SMXS/MXDEC
Sent: Monday, August 04, 2008 7:13 PM
To: OpenSceneGraph Users
Subject: Re: [osg-users] moving models...
Ok, I updated the transform node as given below for position changes and
this seems to work. However, when I add an orientation update (i.e. multiply
the translation by a rotation) my model disappears completely. Any idea on
what's going on with that?
Thanks,
-Shayne
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of su hu
Sent: Saturday, August 02, 2008 3:19 AM
To: OpenSceneGraph Users
Subject: Re: [osg-users] moving models...
Shayne,
In my application, a global buffer is used to input data to osg thread from
other thread.
I used the method as same as Todd told you. setMatrix() is used to update
the matrix of that MatrixTransform node.
...
osg::ref_ptrosg::group root;
osg::ref_ptrosg::MatrixTransform MotionMatrix;
osg::ref_ptrosg::node MotionModelFile; //your motion
model
...
root-addchild(MotionMatrix);
MotionMatrix-addchild(MotionModelFile);
...
while((!Viewer.done)
{
...
if(Update is Needed)
//position is changed or other
MotionMatrix--setMatrix(osg::Matrix::translate(Pos)); //your
position data
...
Viewer.frame();
...
}
su hu
2008/8/2, Tueller, Shayne R Civ USAF AFMC 519 SMXS/MXDEC
[EMAIL PROTECTED]:
This is probably a silly and simple question, but does anyone have
an example of how to move a model explicitly without using a canned
animation? Most of the examples I've seen, update the position in an
animation using UpdateCallback.
I have a position update coming from another process outside the
scenegraph that I need to feed into the model to update its position. Do I
need to use an UpdateCallback or a NodeVisitor approach?
Any help would be most appreciated.
Thanks,
-Shayne
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Re: [osg-users] Using SSE within OSG
Thanks for the reply. The delay of review will buy me some time to present the aligned matrixf. It is true that these maths are not the largest bottleneck even for our game, but they still are significant! especially during heavy use of collision detection. I would like to know if Mathias submission would be considered now as 99% of it is a c solution to reduce the number of multiplies needed. It did bring the numbers down in our game too. If so, I would like to write SSE forms of these new functions (e.g. preMultTranslate) to the aligned matrixf and make them run even faster. I would be interested in pursuing the traversal related methods, but I have a feeling the solution would entail a design solution with C and not an SSE one; However, if performance increase is not the top priority on anyone's list I'd be willing to look into this and see if I can help. James Killian - Original Message - From: Robert Osfield To: OpenSceneGraph Users osg-users@lists.openscenegraph.org Sent: Sunday, Aug 3, 2008 05:58 AM Subject: Re: [osg-users] Using SSE within OSG Hi Guys, I've read through the correspondence on this issue, but won't dive in with reviewing submissions on this topic till well after 2.6.0 is out the door. As a general note, there seems to be two related topics - data alignment and then SSE instructions, they are of course related but I'd suggest we tackle them separately. As another general note, in my experience the most common bottleneck of scene graph based applications is that of CPU memory bandwidth, maths functions are much less of a bottleneck, and there cost in fact largely hidden by the cost of waiting for the cache to be filled. The performance profiles provided in this threaded suggest this as well - with the traversal related methods being the biggest bottleneck. How to address this bottleneck is a topic for another thread. Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged
Dear All, I read in 2.6 Updates include this New database optimizer that is able to remove static transforms by duplicating shared geometries And I want to ask what is best for performance. - Duplicate geometries (or) - Shared geometries and transform them. thanks, Ahmed Nawar From: [EMAIL PROTECTED] [EMAIL PROTECTED] On Behalf Of Paul Melis [EMAIL PROTECTED] Sent: Monday, August 04, 2008 11:50 PM To: OpenSceneGraph Users Subject: Re: [osg-users] OpenScenGraph-2.6.0-rc2 tagged Robert Osfield wrote: Hi All, I have now tagged the 2.6.0 release candidate 2, you can grab it from the downloads page: http://www.openscenegraph.org/projects/osg/wiki/Downloads Or more directly: * Zip file containing source code : OpenSceneGraph-2.6.0-rc2.zip * Subversion tag : svn co http://www.openscenegraph.org/svn/osg/OpenSceneGraph/tags/OpenSceneGraph-2.6.0-rc2 OpenSceneGraph * Subversion 2.6 series branch : svn co http://www.openscenegraph.org/svn/osg/OpenSceneGraph/branches/OpenSceneGraph-2.6 OpenSceneGraph I have put together an initial draft of the press release (please review/comment/amend): http://www.openscenegraph.org/projects/osg/wiki/News/Press/OSG2.6 I made some really minor tweaks to some sentences and highlighted some of the tool names with italic. Paul ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
