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 > [email protected] > http://openscenegraph.net/mailman/listinfo/osg-users > http://www.openscenegraph.org/ > > _______________________________________________ osg-users mailing list [email protected] http://openscenegraph.net/mailman/listinfo/osg-users http://www.openscenegraph.org/
