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nir: Add support for gl_HelperInvocation system value.

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Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
This commit is contained in:
Matt Turner
2015-11-13 17:50:27 -08:00
parent fe29330406
commit c28b574170
2 changed files with 5 additions and 0 deletions
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4
src/glsl/nir/nir.c
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@@ -1577,6 +1577,8 @@ nir_intrinsic_from_system_value(gl_system_value val)
return nir_intrinsic_load_tess_level_inner; return nir_intrinsic_load_tess_level_inner;
case SYSTEM_VALUE_VERTICES_IN: case SYSTEM_VALUE_VERTICES_IN:
return nir_intrinsic_load_patch_vertices_in; return nir_intrinsic_load_patch_vertices_in;
case SYSTEM_VALUE_HELPER_INVOCATION:
return nir_intrinsic_load_helper_invocation;
default: default:
unreachable("system value does not directly correspond to intrinsic"); unreachable("system value does not directly correspond to intrinsic");
} }
@@ -1620,6 +1622,8 @@ nir_system_value_from_intrinsic(nir_intrinsic_op intrin)
return SYSTEM_VALUE_TESS_LEVEL_INNER; return SYSTEM_VALUE_TESS_LEVEL_INNER;
case nir_intrinsic_load_patch_vertices_in: case nir_intrinsic_load_patch_vertices_in:
return SYSTEM_VALUE_VERTICES_IN; return SYSTEM_VALUE_VERTICES_IN;
case nir_intrinsic_load_helper_invocation:
return SYSTEM_VALUE_HELPER_INVOCATION;
default: default:
unreachable("intrinsic doesn't produce a system value"); unreachable("intrinsic doesn't produce a system value");
} }

1
src/glsl/nir/nir_intrinsics.h
View File

@@ -225,6 +225,7 @@ SYSTEM_VALUE(local_invocation_id, 3, 0)
SYSTEM_VALUE(work_group_id, 3, 0) SYSTEM_VALUE(work_group_id, 3, 0)
SYSTEM_VALUE(user_clip_plane, 4, 1) /* const_index[0] is user_clip_plane[idx] */ SYSTEM_VALUE(user_clip_plane, 4, 1) /* const_index[0] is user_clip_plane[idx] */
SYSTEM_VALUE(num_work_groups, 3, 0) SYSTEM_VALUE(num_work_groups, 3, 0)
SYSTEM_VALUE(helper_invocation, 1, 0)
/* /*
* The format of the indices depends on the type of the load. For uniforms, * The format of the indices depends on the type of the load. For uniforms,