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Philipp Klaus Krause wrote:
> Since the r128 has no hardware tcl and tcl has to be
> done in software anyway I think it should have a
> full-featured tcl. This patch enables some extensions:
> 
> GL_ARB_vertex_buffer_object
> GL_ARB_vertex_program
> GL_EXT_cull_vertex
> GL_EXT_multi_draw_arrays
> GL_MESA_pack_invert
> 
> GL_NV_vertex_program
> GL_NV_vertex_program1_1

I could have sworn that the vertex-program extensions and
GL_EXT_cull_vertex each required an addition TNL pipeline stage.  I see
that the i915 driver adds "&_tnl_vertex_cull_stage" and
"&_tnl_vertex_program_stage".  Why does r128 not need those additions?

My only other comment is that *all* the open-source drivers should
support *all* of these extensions and GL_SGIS_generate_mipmap.  There
are a few that even still need "fake" support for GL_ARB_multisample and
GL_ARB_texture_compression added. :(

> The last two can be disabled using driconf if desired
> for the same reasons I made them disabled by default
> when I added vertex program support to the r200 driver
> a year ago.
> 
> I tested with the programs in Mesa/progs/demos and
> Mesa/progs/tests and everything seems to work fine
> except vptest1 and vptest2. Since these two
> don't work on my i915 either I suppose the problem is
> with Mesa's program parsing and not r128-specific.

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