i965: Precompile ARB programs.
i965: Precompile ARB programs.

We already precompile GLSL programs; it seems logical to precompile ARB
programs as well.  We just never hooked it up.

This also makes the programs compile even if no drawing occurs, which is
useful for shader-db.

Signed-off-by: Kenneth Graunke <bd2562f754ec92342f93f61c25d731e290a2ffa8@whitecape.org>
Reviewed-by: Kristian Høgsberg <ca9b5b1e27d4fa7f4ba6848bdd08ca52cfd6330c@bitplanet.net>
Reviewed-by: Matt Turner <789b315743a28dd066a4ba1459c35951c291d8a6@gmail.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler