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nir: Add gl_WorkGroupID system variable 

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
This commit is contained in:
Jordan Justen 2015-03-13 11:37:03 -07:00
parent f5bb5a1bf1
commit 4f178f0d8b
3 changed files with 6 additions and 0 deletions
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2
src/glsl/nir/nir.c
View File

@ -1459,6 +1459,8 @@ nir_system_value_from_intrinsic(nir_intrinsic_op intrin)
return SYSTEM_VALUE_SAMPLE_MASK_IN;
case nir_intrinsic_load_local_invocation_id:
return SYSTEM_VALUE_LOCAL_INVOCATION_ID;
case nir_intrinsic_load_work_group_id:
return SYSTEM_VALUE_WORK_GROUP_ID;
/* FINISHME: Add tessellation intrinsics.
return SYSTEM_VALUE_TESS_COORD;
return SYSTEM_VALUE_VERTICES_IN;

1
src/glsl/nir/nir_intrinsics.h
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@ -142,6 +142,7 @@ SYSTEM_VALUE(sample_pos, 2)
SYSTEM_VALUE(sample_mask_in, 1)
SYSTEM_VALUE(invocation_id, 1)
SYSTEM_VALUE(local_invocation_id, 3)
SYSTEM_VALUE(work_group_id, 3)
/*
* The format of the indices depends on the type of the load. For uniforms,

3
src/glsl/nir/nir_lower_system_values.c
View File

@ -73,6 +73,9 @@ convert_instr(nir_intrinsic_instr *instr)
case SYSTEM_VALUE_LOCAL_INVOCATION_ID:
op = nir_intrinsic_load_local_invocation_id;
break;
case SYSTEM_VALUE_WORK_GROUP_ID:
op = nir_intrinsic_load_work_group_id;
break;
default:
unreachable("not reached");
}