[Mesa-dev] [PATCH 0/3] gallium: add ARB_clear_texture infrastructure

[Ilia Mirkin]

On Mon, Nov 9, 2015 at 3:29 PM, Roland Scheidegger <sroland at vmware.com> wrote:
> Am 09.11.2015 um 21:12 schrieb Ilia Mirkin:
>> On Mon, Nov 9, 2015 at 3:07 PM, Roland Scheidegger <sroland at vmware.com> wrote:
>>> Am 09.11.2015 um 19:40 schrieb Ilia Mirkin:
>>>> This is basically a resend of a series I wrote over a year ago. I
>>>> don't remember what we hated about it last time, but I'm tempted not
>>>> to look. This seems pretty reasonably to me now.
>>> I guess I wasn't entirely happy with yet another clear method... Still,
>>> looks reasonable...
>>
>> Yeah, I'm not madly in love with it either, but the various
>> functionality just isn't accessible otherwise. Internally the nvc0 and
>> nv50 impls reuse the clear_render_target/clear_depth_stencil
>> functions, but that's not generically possible since we have to be
>> able to clear non-renderable formats.
>>
>> I guess an alternative here is to say that we can redefine the format
>> of a surface to basically what I do in the nvc0 patch, I can move that
>> logic from nvc0 to st/mesa.
> I think if you don't have the rt, there's really not much point to
> redefine the surface format for clearing.

OK, so then we're stuck with the way I implemented it then. Unless
there are other suggestions. The requirement is to be able to clear
arbitrary textures with arbitrary texel data.

  -ilia