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compiler: Add two new system values for subgroups

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This will be required for SPIR-V subgroup support

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
This commit is contained in:
Jason Ekstrand
2017-09-30 14:50:40 -07:00
parent 34c60ea02b
commit 752e969703
4 changed files with 19 additions and 0 deletions
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8
src/compiler/nir/nir.c
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@@ -1969,6 +1969,10 @@ nir_intrinsic_from_system_value(gl_system_value val)
return nir_intrinsic_load_subgroup_le_mask;
case SYSTEM_VALUE_SUBGROUP_LT_MASK:
return nir_intrinsic_load_subgroup_lt_mask;
case SYSTEM_VALUE_NUM_SUBGROUPS:
return nir_intrinsic_load_num_subgroups;
case SYSTEM_VALUE_SUBGROUP_ID:
return nir_intrinsic_load_subgroup_id;
case SYSTEM_VALUE_LOCAL_GROUP_SIZE:
return nir_intrinsic_load_local_group_size;
default:
@@ -2040,6 +2044,10 @@ nir_system_value_from_intrinsic(nir_intrinsic_op intrin)
return SYSTEM_VALUE_SUBGROUP_LE_MASK;
case nir_intrinsic_load_subgroup_lt_mask:
return SYSTEM_VALUE_SUBGROUP_LT_MASK;
case nir_intrinsic_load_num_subgroups:
return SYSTEM_VALUE_NUM_SUBGROUPS;
case nir_intrinsic_load_subgroup_id:
return SYSTEM_VALUE_SUBGROUP_ID;
case nir_intrinsic_load_local_group_size:
return SYSTEM_VALUE_LOCAL_GROUP_SIZE;
default:

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

@@ -381,6 +381,7 @@ SYSTEM_VALUE(subgroup_ge_mask, 0, 0, xx, xx, xx)
SYSTEM_VALUE(subgroup_gt_mask, 0, 0, xx, xx, xx)
SYSTEM_VALUE(subgroup_le_mask, 0, 0, xx, xx, xx)
SYSTEM_VALUE(subgroup_lt_mask, 0, 0, xx, xx, xx)
SYSTEM_VALUE(num_subgroups, 1, 0, xx, xx, xx)
SYSTEM_VALUE(subgroup_id, 1, 0, xx, xx, xx)
SYSTEM_VALUE(local_group_size, 3, 0, xx, xx, xx)

2
src/compiler/shader_enums.c
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@@ -210,6 +210,8 @@ gl_system_value_name(gl_system_value sysval)
ENUM(SYSTEM_VALUE_SUBGROUP_GT_MASK),
ENUM(SYSTEM_VALUE_SUBGROUP_LE_MASK),
ENUM(SYSTEM_VALUE_SUBGROUP_LT_MASK),
ENUM(SYSTEM_VALUE_NUM_SUBGROUPS),
ENUM(SYSTEM_VALUE_SUBGROUP_ID),
ENUM(SYSTEM_VALUE_VERTEX_ID),
ENUM(SYSTEM_VALUE_INSTANCE_ID),
ENUM(SYSTEM_VALUE_INSTANCE_INDEX),

8
src/compiler/shader_enums.h
View File

@@ -397,6 +397,14 @@ typedef enum
SYSTEM_VALUE_SUBGROUP_LT_MASK,
/*@}*/
/**
* Builtin variables added by VK_KHR_subgroups
*/
/*@{*/
SYSTEM_VALUE_NUM_SUBGROUPS,
SYSTEM_VALUE_SUBGROUP_ID,
/*@}*/
/*@}*/
/**