[Mesa-stable] [PATCH] spirv: Add support for the HelperInvocation builtin

[Andres Gomez]

On Mon, 2017-09-04 at 09:14 -0700, Jason Ekstrand wrote:
> Yeah, just haven't gotten around to pushing it. Feel free.

Pushed! ☺

> 
> 
> On September 4, 2017 7:33:38 AM Andres Gomez <agomez at igalia.com> wrote:
> 
> > Jason, has this patch fallen through the cracks ?
> > 
> > On Mon, 2017-08-21 at 22:11 -0700, Jason Ekstrand wrote:
> > > I have no idea how this got missed but it's been missing since forever.
> > > 
> > > Cc: mesa-stable at lists.freedesktop.org
> > > ---
> > >  src/compiler/spirv/vtn_variables.c | 5 ++++-
> > >  1 file changed, 4 insertions(+), 1 deletion(-)
> > > 
> > > diff --git a/src/compiler/spirv/vtn_variables.c 
> > > b/src/compiler/spirv/vtn_variables.c
> > > index 6a8776b..87cb935 100644
> > > --- a/src/compiler/spirv/vtn_variables.c
> > > +++ b/src/compiler/spirv/vtn_variables.c
> > > @@ -1121,6 +1121,10 @@ vtn_get_builtin_location(struct vtn_builder *b,
> > >        *location = FRAG_RESULT_DEPTH;
> > >        assert(*mode == nir_var_shader_out);
> > >        break;
> > > +   case SpvBuiltInHelperInvocation:
> > > +      *location = SYSTEM_VALUE_HELPER_INVOCATION;
> > > +      set_mode_system_value(mode);
> > > +      break;
> > >     case SpvBuiltInNumWorkgroups:
> > >        *location = SYSTEM_VALUE_NUM_WORK_GROUPS;
> > >        set_mode_system_value(mode);
> > > @@ -1177,7 +1181,6 @@ vtn_get_builtin_location(struct vtn_builder *b,
> > >        *location = SYSTEM_VALUE_VIEW_INDEX;
> > >        set_mode_system_value(mode);
> > >        break;
> > > -   case SpvBuiltInHelperInvocation:
> > >     default:
> > >        unreachable("unsupported builtin");
> > >     }
> > 
> > --
> > Br,
> > 
> > Andres
> 
> 
> 
-- 
Br,

Andres