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spirv: Add support for the HelperInvocation builtin

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I have no idea how this got missed but it's been missing since forever.

Cc: mesa-stable@lists.freedesktop.org
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
(cherry picked from commit e439908af9)
[Andres Gomez: resolve trivial conflicts]
Signed-off-by: Andres Gomez <agomez@igalia.com>

Conflicts:
	src/compiler/spirv/vtn_variables.c
This commit is contained in:
Jason Ekstrand 2017-08-21 22:11:49 -07:00 • committed by Andres Gomez
parent 864a8113e5
commit eb5eb5b26d
1 changed files with 4 additions and 1 deletions
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5
src/compiler/spirv/vtn_variables.c
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@ -1004,6 +1004,10 @@ 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);
@ -1040,7 +1044,6 @@ vtn_get_builtin_location(struct vtn_builder *b,
*location = SYSTEM_VALUE_DRAW_ID;
set_mode_system_value(mode);
break;
case SpvBuiltInHelperInvocation:
default:
unreachable("unsupported builtin");
}