Just this: Loading shader source file "data/blackify.frag" Uniform Adding parent
2007/3/30, Mihai Radu <[EMAIL PROTECTED]>:
Hi Ivan, Try this before the code creating the program: osg::setNotifyLevel(osg::INFO); Then watch the spew on the console to get some idea of supported extensions, errors etc ... Mihai Ivan Bolčina wrote: Nvidia 6600 GT, driver is 9.1.3.1 Thanks and bye, ivan 2007/3/28, Mike Weiblen <[EMAIL PROTECTED] >: > > What GPU and driver? > -- mew > > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:osg-users- > > [EMAIL PROTECTED] ] On Behalf Of Ivan Bolcina > > Sent: Wednesday, March 28, 2007 2:21 PM > > To: osg users > > Subject: Re: [osg-users] How to preload and precompile shader. > > > > It is GLSL. > > It is not first frame problem. > > I dont know what you mean my displaylists? > > > > That is shader init. > > > > mProg = new osg::Program; > > RefPtr<osg::Shader> fragmentShader = new osg::Shader( > > osg::Shader::FRAGMENT ); > > mProg->addShader( fragmentShader.get() ); > > fragmentShader->loadShaderSourceFromFile( > "data/blackify.frag"); > > > > This is my shader. > > uniform float strength; > > > > void main(void) > > { > > gl_FragColor = vec4(1.0,1.0,1.0,strength); > > } > > > > > > > > 2007/3/28, Mike Weiblen <[EMAIL PROTECTED] >: > > > > Hi, > > What's your GPU/driver? Is your shader GLSL or ARB FP? > > 0.5 second build times are way over anything I've seen. I've > run > > apps > > that rebuild the shaders every frame (not a good idea, but not > > painful > > either). Why do you think it's the shader; could it be some > other > > 1st-frame setup (eg displaylists) going on? > > Cheers > > -- mew > > > > > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] <mailto:osg-users- > > [EMAIL PROTECTED]> [mailto:osg-users- > > > [EMAIL PROTECTED] ] On Behalf Of Ivan Bolcina > > > Sent: Wednesday, March 28, 2007 8:43 AM > > > To: osg users > > > Subject: [osg-users] How to preload and precompile shader. > > > > > > Hi. > > > > > > I am using very simple fragment shader and it works great. But > > there > > is a > > > problem, when I first use ti on scene, it takes about half a > sec > > to > > > initialize, so my whole app freezes for half a second. > > > > > > I would like to preload fragment shader and precompile it. Any > > ideas? > > > > > > Bye, ivan > > > > _______________________________________________ > > 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 [EMAIL PROTECTED]://openscenegraph.net/mailman/listinfo/osg-usershttp://www.openscenegraph.org/ _______________________________________________ osg-users mailing list osg-users@openscenegraph.net http://openscenegraph.net/mailman/listinfo/osg-users http://www.openscenegraph.org/
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