[Mesa-dev] A question about r600/evergreen documentation
hayarms at gmail.com
Tue May 31 05:36:44 PDT 2011
2011/5/31 Marek Olšák <maraeo at gmail.com>:
> I think there are some IP conflicts among gpu vendors regarding
> anisotropic filtering. That's why there is no core support for it in
> OpenGL and that's why anisotropic filtering is undocumented in all the
> AMD docs. Try to search the code, some ANISO registers have been
> figured out, like S_03C000_ANISO you mentioned.
> On Tue, May 31, 2011 at 1:34 PM, Marcello Maggioni <hayarms at gmail.com> wrote:
>> Hello, I was studying the anisotropic filtering patch that was posted
>> on this list the 6th of May in order to understand better how the
>> r600g drivers work, but while reading the patch I noticed that the
>> documentation about r600 I have seems to miss some key information.
>> First of all the documentation I have is the one found on
>> http://www.x.org/docs/AMD/ .
>> In the patch bits [21:19] of the SQ_TEX_SAMPLER_WORD0_0 register are
>> set and in the code these are specified as S_03C000_ANISO, but in the
>> documentation I have (R6xx_3D_Registers.pdf) those bits are specified
>> as "Reserved".
>> I'm wondering if there are better docs around and the ones on that
>> website are outdated. If so where is it possible to find the new docs?
>> mesa-dev mailing list
>> mesa-dev at lists.freedesktop.org
I understand , thank you very much.
More information about the mesa-dev