thanks a lot!
btw, I got the 3rd TMU working with hw-tcl and codegen, too.
(at least multiarb.c works)
I'm going to clean the patch up a bit, so that it only contains
things related to 3rd TMU support.
Am 2003.06.23 12:17:26 +0200 schrieb(en) Michel Dänzer:
> On Sat, 2003-06-21 at 14:14, Andreas Stenglein wrote:
> >
> > [...] some comments where I dont know what to do.
>
> I'll try to address some of them:
>
> > + if( (sPriv->drmMinor < 3) || (getenv( "RADEON_NO_3RD_TMU")) ) /*
> > question: is the check for drmMinor necessary? */
> > + ctx->Const.MaxTextureUnits = 2;
> > + else
> > + ctx->Const.MaxTextureUnits = RADEON_MAX_TEXTURE_UNITS; /* 3 */
>
> Does the 3rd TMU require any DRM support not present before that minor
> version?
I dont know ;) I think I have to try if 3rd TMU works when
RADEON_COMPAT is set.
On the other hand I think DRI from stock XFree86 4.3.0 wont even work
with old radeon.o kernelmodules...
Is there a list which versions of the drm-modules were distributed?
(linux 2.4, 2.5, bsd x.x, XFree86 4.x.x, GATOS etc.)
>
>
> > + /* question: shouldn't the following be controlled by the
> > kernelmodule */
> > + /* and/or Xserver-configuration if it can crash the card? */
> > else if (getenv("RADEON_TCL_FORCE_ENABLE")) {
> > fprintf(stderr, "Enabling TCL support... this will probably
> > crash\n");
> > fprintf(stderr, " your card if it isn't capable of
> > TCL!\n");
>
> Why? :)
>
> I do wonder if trying to enable HW TCL makes sense though, there was a
> bit of confusion about TCL support on the various chips at the time.
> Maybe we can clean this up with the new config infrastructure.
I think that wont help: some_bad_user could put that code back and
install his own radeon_dri.so to lockup the graphicscard of a
workstation he only has user-rights to.
So access to hw-accelerated 3d has to be restricted to trusted users,
at least if you have a card without tcl.
>
>
> > + init_rgba_st_st_st();
> > + init_rgba_spec_st_st_st();
> > + init_st_st_st_n();
> > + init_rgpa_spec_st_st_st_n(); /* question: don't know what "rgpa"
> > is, just copied and modified.. */
> > + init_rgba_stq_stq_stq();
> > + init_w_rgpa_spec_stq_stq_stq_n();
>
> Looks like a typo?
Maybe, but its in the r200 sources as well.
>
>
> --
> Earthling Michel Dänzer \ Debian (powerpc), XFree86 and DRI developer
> Software libre enthusiast \ http://svcs.affero.net/rm.php?r=daenzer
>
>
greetings,
Andreas
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