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https://bugs.freedesktop.org/show_bug.cgi?id=8009
------- Additional Comments From [EMAIL PROTECTED] 2006-08-26 16:38 -------
(In reply to comment #7)
> Hmm, could this be related? Some of the MESA demos are telling me to report
> bugs:
>
> $ ./pointblast
> Mesa 6.5.1 implementation error: User called no-op dispatch function (an
> unsupported extension function?)
> Please report at bugzilla.freedesktop.org
> $ ./spriteblast
> Mesa 6.5.1 implementation error: User called no-op dispatch function (an
> unsupported extension function?)
> Please report at bugzilla.freedesktop.org
> Sorry, this demo requires GL_ARB_point_sprite.
No this is not related. Basically this is an app bug, those progs should test if
an extension is available before calling the functions associated with it.
pointblast fails to do this at all, whereas spriteblast checks it but after
having called the extension function. If noone beats me to it and I don't forget
it, I'll check in a fix next week.
That said, the error given is probably a bit confusing, it is not actually an
"implementation error" in this case (well it hints it might be an unsupported
extension).
(In reply to comment #6)
> I have just tried to run any "demo" programs that come with MESA and support
> GL_ARB_vertex_program. However, the only candidate seems to be arbfplight,
> which also requires GL_ARB_fragment_program. And apparently, despite what the
> r200_vertprog.c file says, the R200 doesn't support GL_ARB_fragment_program.
Where does it say that? There is some (ifdefed out) code which relates to
fragment program, this is a straight copy from the r300 driver (which supports
arb_fp), I'm going to delete it one day. The other hint of fragment program is
just for creating the shader objects, it may or may not be necessary for
avoiding problems with the creation of mesa's default shader objects. The r200
driver does not and never will support ARB_fp, simply because the hardware can't
handle it.
If you want more vertex program tests, you can get them from mesa cvs, in the
progs/tests directory - I believe this is not included in tarballs.
(In reply to comment #10)
One ring-shadow demo URL for people:
Ok that's what I wanted. I can only try that next week though.
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