[Mesa-dev] [PATCH v2 01/11] i965: Introduce new SHADER_OPCODE_URB_WRITE_SIMD8_MASKED/PER_SLOT opcodes.

[Jason Ekstrand]

On Oct 21, 2015 10:28 AM, "Jason Ekstrand" <jason at jlekstrand.net> wrote:
>
> On Wed, Oct 21, 2015 at 1:29 AM, Kenneth Graunke <kenneth at whitecape.org>
wrote:
> > On Monday, October 12, 2015 02:49:03 PM Kenneth Graunke wrote:
> >> In the vec4 backend, we have a vec4_instruction::urb_write_flags field.
> >> There are many kinds of flags for SIMD4x2 messages.
> >>
> >> However, there are really only two (per-slot offset, use channel masks)
> >> for SIMD8 messages.  Rather than adding a boolean flag for per-slot
> >> offsets (polluting all instructions), I decided to just make three new
> >> opcodes.
> >>
> >> Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
> >> ---
> >>  src/mesa/drivers/dri/i965/brw_defines.h        |  3 +++
> >>  src/mesa/drivers/dri/i965/brw_fs.cpp           |  9 +++++++++
> >>  src/mesa/drivers/dri/i965/brw_fs_generator.cpp | 11 +++++++++++
> >>  src/mesa/drivers/dri/i965/brw_inst.h           |  1 +
> >>  src/mesa/drivers/dri/i965/brw_shader.cpp       |  9 +++++++++
> >>  5 files changed, 33 insertions(+)
> >>
> >> Here's the rest of the series that didn't get reviewed last time,
> >> rebased on Jason's compiler reworks.
> >
> > Jason landed yet more compiler reworks.  I've pushed a rebased copy
> > to the 'simd8gs' branch of ~kwg/mesa.  Code got shuffled between
> > functions or header files, so some of it didn't textually apply, but
> > the new code isn't significantly different.  I've verified that it
> > still builds and passes Piglit.
> >
> > Jason has yet *more* compiler reworks on the mailing list.  I've
> > preemptively rebased on those and pushed that to my tree as well.
> > It's the 'simd8gs-rebase-rebase' branch.  That branch doesn't
> > compile, however - with the roundabout vec4/fs include hell, it's
> > somehow getting an incomplete type for "struct brw_gs_compile".
> > I didn't spend the time to figure out why.  Other work to do.
>
> You didn't have to do that...
>
> Anyway, I'll poke at it and get the include stuff sorted.

I just pushed a rebased version to my freedesktop repo in the wip/simd8gs
branch.

--Jason
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