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nir: Add intrinsics for SYSTEM_VALUE_BASE_VERTEX and VERTEX_ID_ZERO_BASE

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Ian and I added these around the time Connor was developing NIR.  Now
that both exist, we should make them work together!

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
This commit is contained in:
Kenneth Graunke
2015-03-09 01:58:54 -07:00
parent b9dea9bc45
commit 2c79f6f9c3
2 changed files with 8 additions and 0 deletions
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2
src/glsl/nir/nir_intrinsics.h
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@@ -95,6 +95,8 @@ ATOMIC(read, NIR_INTRINSIC_CAN_ELIMINATE)
SYSTEM_VALUE(front_face, 1)
SYSTEM_VALUE(vertex_id, 1)
SYSTEM_VALUE(vertex_id_zero_base, 1)
SYSTEM_VALUE(base_vertex, 1)
SYSTEM_VALUE(instance_id, 1)
SYSTEM_VALUE(sample_id, 1)
SYSTEM_VALUE(sample_pos, 2)

6
src/glsl/nir/nir_lower_system_values.c
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@@ -49,6 +49,12 @@ convert_instr(nir_intrinsic_instr *instr)
case SYSTEM_VALUE_VERTEX_ID:
op = nir_intrinsic_load_vertex_id;
break;
case SYSTEM_VALUE_VERTEX_ID_ZERO_BASE:
op = nir_intrinsic_load_vertex_id_zero_base;
break;
case SYSTEM_VALUE_BASE_VERTEX:
op = nir_intrinsic_load_base_vertex;
break;
case SYSTEM_VALUE_INSTANCE_ID:
op = nir_intrinsic_load_instance_id;
break;