Mike, I'm a couple of weeks out of date with the CVS. I think I'm running the May 9 tarball. I'll grab last night's tarball and try that.
Thom -- Thom DeCarlo -------------------------------------------------- How Many Roads Must A Man Travel Down Before He Admits He is Lost? > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:osg-users- > [EMAIL PROTECTED] On Behalf Of Mike Weiblen > Sent: Wednesday, May 24, 2006 10:39 AM > To: osg users > Subject: Re: [osg-users] GLSL uniform arrays v. GPU drivers > > Hi Thom, > > are you using the current CVS? > > I have only ever seen that "cannot change Uniform type" message when > running the > newer-formant glsl_array1.osg file against an older OSG v1.0 that doesn't > support the new uniform array stuff. > > Thanks > -- mew > > > Thom DeCarlo wrote: > > Oops, I haven't been paying attention. Sorry. > > > > I get the "cannot change Uniform type" message 4 times. Then the > > glLinkProgram error, as follows: > > > > C:\>osgviewer glsl_array1.osg > > cannot change Uniform type > > cannot change Uniform type > > cannot change Uniform type > > cannot change Uniform type > > cannot change Uniform type > > Time to load = 0.0353921 > > glLinkProgram "" FAILED > > Program "" infolog: > > Fragment info > > ------------- > > <stdlib>(3044) : error C5043: profile requires index expression to be > > compile-time constant > > > > > > C:\> > > > > > > This was compiled on WinXP using VisualStudio 2005. It is running on an > > Nvidia Quadro FX1100 using the 81.67 drivers. Is it time to request new > > hardware, already? ;-) > > > > Thom > > > > -- > > Thom DeCarlo > > ------------------------------------------------------- > > If a tree falls in a virtual forest > > and it's not in anyone's field of view, > > does it really happen? > > > > > > > >>-----Original Message----- > >>From: [EMAIL PROTECTED] [mailto:osg-users- > >>[EMAIL PROTECTED] On Behalf Of Mike Weiblen > >>Sent: Tuesday, May 23, 2006 12:18 AM > >>To: osg users > >>Subject: Re: [osg-users] GLSL uniform arrays v. GPU drivers > >> > >>Hi Thom, > >> > >>I didn't see any attachment. > >> > >>When you say "getting the same error as Martin", are you refering to the > >>"cannot > >>change Uniform type", the glLinkProgram failure infolog, or both? > >> > >>FWIW, the fractal shaders dont work on my ATI Radeon 9600 either; older > >>GPUs > >>don't have the flexibility to execute arbitrary dynamic loops (nor > >>arbitrary > >>array indexing, it seems) When originally developed back a few years at > >>3Dlabs, > >>those fractal shaders were crafted to show off the then-unique > >>capabilities of > >>the Wildcat Realizm GPUs. > >> > >>Cheers > >>-- mew > >> > >> > >>Thom DeCarlo wrote: > >> > >>>Mike, > >>>I've attached the output from testing this on my Nvidia Quadro FX 1100. > >> > >>I'm > >> > >>>using an OSG tarball from May 9 and the Nvidia 81.67 drivers which I > >>>downloaded on Feb 22. > >>> > >>>Basically, I'm getting the same error as Martin Naylor. In fact, I've > >> > >>also > >> > >>>been getting errors with your fractal GLSL examples that say something > >> > >>about > >> > >>>"for" statements. ((42) : error C5013: profile does not support "for" > >>>statements) I figured that it must be that my card is too old for full > >>>support of GLSL. > >>> > >>>Thom > >>> > >>>-- > >>>Thom DeCarlo > >>>--------------------------------- > >>>Where are we going and why am I in this handbasket? > >>> > >>> > >>> > >>> > >>>>-----Original Message----- > >>>>From: [EMAIL PROTECTED] [mailto:osg-users- > >>>>[EMAIL PROTECTED] On Behalf Of Mike Weiblen > >>>>Sent: Saturday, May 20, 2006 6:20 PM > >>>>To: osg users > >>>>Subject: [osg-users] GLSL uniform arrays v. GPU drivers > >>>> > >>>>Hi all, > >>>> > >>>>With the recent addition to OSG of support for GLSL uniform arrays, my > >>>>testing > >>>>leads me to believe there's much variation in how well GPUs and > drivers > >>>>actually > >>>>support that GLSL feature. It might be useful to develop a simple set > >> > >>of > >> > >>>>OSG > >>>>example files that will help evaluate vendor's GLSL capabilities. > >>>> > >>>>For example, attached is a simple .osg scene using uniform arrays that > >> > >>can > >> > >>>>be > >>>>loaded with the latest OSG in CVS. The relevent GLSL array code is: > >>>> > >>>> uniform vec3 Color2[2]; > >>>> ... > >>>> int i = int( mod( osg_FrameTime, 2.0 ) ); > >>>> vec3 color = mix(Color2[i], Color1, colorSelect) * LightIntensity; > >>>> > >>>>The concept is the shader uses osg_FrameTime to toggle between the two > >>>>colors in > >>>>the Color2[] array. > >>>> > >>>>When run on my laptop's ATI Mobility Radeon 9800 under WinXP, the > >>>>following > >>>>message is displayed: > >>>> > >>>>"Link successful. The GLSL vertex shader will run in software due to > the > >>>>GLSL > >>>>fragment shader running in software. The GLSL fragment shader will run > >> > >>in > >> > >>>>software - unsupported language element used." > >>>> > >>>>Because it's running in software fallback mode, the framerate is > approx > >>>>1Hz. > >>>> > >>>>I'm curious if anyone else could try running this .osg file on their > >>>>GLSL-capable GPU, and report their result. Also feel free to create > new > >>>>test > >>>>cases if you find other spotty implementations. > >>>> > >>>>Thanks > >>>>-- mew > >>> > >>> > >>> > >>>_______________________________________________ > >>>osg-users mailing list > >>>osg-users@openscenegraph.net > >>>http://openscenegraph.net/mailman/listinfo/osg-users > >>>http://www.openscenegraph.org/ > >>> > >> > >> > >>_______________________________________________ > >>osg-users mailing list > >>osg-users@openscenegraph.net > >>http://openscenegraph.net/mailman/listinfo/osg-users > >>http://www.openscenegraph.org > > > > / > > > > > > ------------------------------------------------------------------------ > > > > _______________________________________________ > > osg-users mailing list > > osg-users@openscenegraph.net > > http://openscenegraph.net/mailman/listinfo/osg-users > > http://www.openscenegraph.org/ > > _______________________________________________ > osg-users mailing list > osg-users@openscenegraph.net > http://openscenegraph.net/mailman/listinfo/osg-users > http://www.openscenegraph.org/ _______________________________________________ osg-users mailing list osg-users@openscenegraph.net http://openscenegraph.net/mailman/listinfo/osg-users http://www.openscenegraph.org/
