On Mon, Feb 1, 2010 at 4:53 PM, S Andreason <sandrea...@gmail.com> wrote:

> Hi Tim,
>
> I never got any response, so I guess my email got lost.
> I am see a new error message with yesterday's cvs, so here is a new
> report with OSG_NOTIFY_LEVEL stepped up to DEBUG
>
> http://seahorseCorral.org/bugreport/fgfs-results.C172.KSFO.gz
>
> search for "error" yields 40 results:
>
> (25) : error C5108: unknown semantics "FACE" specified for "gl_FrontFacing"
>
> and now also 21 results for:
>
> (29) : warning C7011: implicit cast from "vec4" to "vec3"
>
>
> I've seen this reported recently on older ATI cards (on Macintosh).

The workaround is to #ifdef out the code that looks like

     if (!gl_FrontFacing)
        n = -n;

in Shaders/default.frag and Shaders/mat-anim.frag. I'll think about how to
make this automatic for older hardware.
Tim


> Tim Moore wrote:
> >     glLinkProgram "" FAILED
> >     Program "" infolog:
> >     Fragment info
> >     -------------
> >     (25) : error C5108: unknown semantics "FACE" specified for
> >     "gl_FrontFacing"
> >
> >
> >     Has anybody else seen this?
> >
> >     Stewart
> >
> > What hardware?
>
> Linux 2.6.24, libc 2.7, gcc-4.2.3, windowmaker 0.92.0, glib 2.18.4
> AMD Sempron 3000, Nvidia FX5200, driver 173.14.18
>
> Stewart
>
>
>
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