[Mesa-dev] [PATCH 2/2] gallium/docs: minor clarification for TXQ instruction
imirkin at alum.mit.edu
Thu Jul 10 08:50:38 PDT 2014
On Thu, Jul 10, 2014 at 11:46 AM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> On Thu, Jul 10, 2014 at 11:43 AM, Brian Paul <brianp at vmware.com> wrote:
>> src/gallium/docs/source/tgsi.rst | 2 ++
>> 1 file changed, 2 insertions(+)
>> diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
>> index 8cbb3d8..c267b2c 100644
>> --- a/src/gallium/docs/source/tgsi.rst
>> +++ b/src/gallium/docs/source/tgsi.rst
>> @@ -968,6 +968,8 @@ XXX doesn't look like most of the opcodes really belong here.
>> Also return the number of accessible levels (last_level - first_level + 1)
>> in W.
>> + For components that aren't used, the returned values are undefined.
> Perhaps I'm just not seeing something obvious... but what does this
> mean? I'm reading this as "If you don't look at a component of the
> return value, then unbeknownst to you, since you're not looking at it,
> the value is undefined."
Oh. I just got what you were saying. Perhaps phrase this as
"For non-existent dimensions, the returned values are undefined"?
>> .. math::
>> lod = src0.x
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