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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>
This commit is contained in:
Jason Ekstrand 2017-08-21 22:11:49 -07:00 • committed by Andres Gomez
parent 86df05eb26
commit e439908af9
1 changed files with 4 additions and 1 deletions
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5
src/compiler/spirv/vtn_variables.c
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@ -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);
@ -1161,7 +1165,6 @@ 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");
}