I’m testing fragment programs with NV_fragment_program extension.
Color fragment programs are working well but combiner programs don’t seem to work at all.
For example, even this very simple program doesn’t run:
!!FCP1.0
TEX o[TEX0],f[TEX1],TEX1,2D;
END
LoadNVProgram is returning an invalid operation.
There is no error string returned.
Error position is zero.
Fragment combiner programs have been removed from the NV_fragment_program spec but the extension specification on SGI’s extension registry has not been updated yet.