On Thu, 30 Sep 2004 21:21:43 +0200, Philipp Klaus Krause <[EMAIL PROTECTED]> wrote:
> Ian Romanick schrieb:
>
> >
> > Looking at the list, I noticed a couple of odd things. Why don't the
> > ATI drivers support GL_{ARB,EXT,NV}_texture_rectange or
> > GL_{ARB,EXT}_blend_equation_separate?
>
> ATI sometimes makes strage decicions about the features their drivers
> support: Even though the r200 could support GL_ARB_vertex_shader just
> as the r300 does, they only expose GL_ARB_vertex_program.
sure, to sell more new hardware... They also might have not felt it
was worth the time to re-architect the existing driver to add a new
feature to an old product, especially if it would have involved major
work.
Alex
>
> > Beyond that, there are basically
> > 5 groups of useful extensions that they have but we don't:
> >
> > - GL_ARB_texture_env_crossbar
> > - GL_ARB_occlusion_query and similar extensions.
> > - GL_ARB_point_parameters (I thought support was added for this?)
> > - GL_EXT_multi_draw_arrays
> > - GL_EXT_fog_coord
> >
>
> I once tried simply enabling GL_EXT_multi_draw_arrays, but there was
> a problem: When calling glMultiDrawElementsEXT while creating a display
> list the r200 driver called a Mesa function which wasn't to be called
> when creating display lists.
>
> Philipp
>
>
>
>
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