Hi Marcus, It could be that the OpenGL driver isn't implementing the built in uniforms correctly. Go search for driver updates or the manufacturers forums.
On 9/4/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > So, now I have erased all warnings, but it still does not work. How I > mentioned before, could there be a problem with the texture Matrix > (gl_TextureMatrix[1] in the vertex shader). How can I check, that the > texture matrix is set up correctly in my main program? Btw turning on the > debug level was helpful for erasing the warning, but I could not found any > errors. > Thanks > > -marcus > > > No I have not checked it. But I think the code is correct, because when I > > use it without the vertex shader, it is working fine (the same code). The > > warnings are just casting stuff, I will clean up now. But I think this is > > not the problem, but I will also check my code with glvalidate. > > > >> Have you checked your shader with glvalidate program from 3dlabs?what > >> are the warnings?these usually are important to resolve. > >> > >> On 9/3/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > >>> So, the notify thing is working now. I get the info logs when > >>> compiling, > >>> but everything seems to be fine. The glProgram links correctly, just > >>> some > >>> casting warnings. I really don't know why it fails. Could there be a > >>> problem with the gl_TextureMatrix[1] in the vertex program? What I want > >>> is > >>> simply to transfer the gl_TexCoords of my shadowMap to the frag > >>> program. > >>> I > >>> am still thankful for every hint. > >>> > >>> --marcus > >>> > >>> > Yeah, i have searched the website, but this I have not found ;) > >>> Thanks > >>> > Robert. > >>> > > >>> >> http://www.openscenegraph.org/projects/osg/wiki/Support/TipsAndTricks > >>> >> > >>> >> On 9/3/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > >>> >>> Hi Mike, > >>> >>> > >>> >>> first thanks for your answer, but could you or someone else tell me > >>> how > >>> >>> to > >>> >>> turn on the notify level? I never worked with it. > >>> >>> > >>> >>> Thanks. > >>> >>> > >>> >>> > Hi, > >>> >>> > > >>> >>> > Turn up the notify level to retrieve the infologs for compilation > >>> and > >>> >>> > linking. There could be some other error preventing creation of > >>> a > >>> >>> > functioning glProgram. > >>> >>> > > >>> >>> > -- mew > >>> >>> > > >>> >>> > > >>> >>> > Mike Weiblen -- Zebra Imaging -- Austin Texas USA -- > >>> >>> > http://www.zebraimaging.com/ > >>> >>> > > >>> >>> >> -----Original Message----- > >>> >>> >> From: [EMAIL PROTECTED] > >>> [mailto:osg-users- > >>> >>> >> [EMAIL PROTECTED] On Behalf Of Marcus Fritzen > >>> >>> >> Sent: Thursday, August 30, 2007 4:24 AM > >>> >>> >> To: [email protected] > >>> >>> >> Subject: [osg-users] textures and shader > >>> >>> >> > >>> >>> >> Hello, > >>> >>> >> > >>> >>> >> I have a little problem using texture coordinates with shader. > >>> The > >>> >>> >> problem is, if I use a vertex program with varying for the > >>> fragment > >>> >>> >> program, the texture coordinates seem to be incorrect, but if I > >>> just > >>> >>> > use > >>> >>> >> the fragment program without the vertex program everything is > >>> fine. > >>> >>> > For > >>> >>> >> example when computing shadows: > >>> >>> >> > >>> >>> >> VERT > >>> >>> >> ... > >>> >>> >> vertex = gl_ModelViewMatrix * gl_Vertex; > >>> >>> >> gl_TexCoord[0] = gl_MultiTexCoord0; > >>> >>> >> gl_TexCoord[1] = gl_TextureMatrix[1] * vertex; > >>> >>> >> ... > >>> >>> >> FRAG > >>> >>> >> ... > >>> >>> >> float depth = shadow2DProj( shadowTexture, gl_TexCoord[1] ).x; > >>> >>> >> ... > >>> >>> >> this is not working. On texture unit 0 is the base texture, on 1 > >>> the > >>> >>> >> shadowmap. But without the vertex program it is working. Anybody > >>> any > >>> >>> >> hints? > >>> >>> >> > >>> >>> >> Thanks, > >>> >>> >> Marcus > >>> >>> >> _______________________________________________ > >>> >>> >> osg-users mailing list > >>> >>> >> [email protected] > >>> >>> >> > >>> >>> > > >>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.or > >>> >>> > g > >>> >>> > _______________________________________________ > >>> >>> > osg-users mailing list > >>> >>> > [email protected] > >>> >>> > > >>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >>> >>> > > >>> >>> > >>> >>> > >>> >>> _______________________________________________ > >>> >>> osg-users mailing list > >>> >>> [email protected] > >>> >>> > >>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >>> >>> > >>> >> _______________________________________________ > >>> >> osg-users mailing list > >>> >> [email protected] > >>> >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >>> >> > >>> > > >>> > > >>> > _______________________________________________ > >>> > osg-users mailing list > >>> > [email protected] > >>> > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >>> > > >>> > >>> > >>> _______________________________________________ > >>> osg-users mailing list > >>> [email protected] > >>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >>> > >> _______________________________________________ > >> osg-users mailing list > >> [email protected] > >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >> > > > > > > _______________________________________________ > > osg-users mailing list > > [email protected] > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
