[Mesa-dev] [PATCH 2/6] nir/spirv: implement BuiltInWorkDim

[Karol Herbst]

From: Rob Clark <robdclark at gmail.com>

Signed-off-by: Karol Herbst <kherbst at redhat.com>
---
 src/compiler/nir/nir.c             | 2 ++
 src/compiler/nir/nir_intrinsics.py | 1 +
 src/compiler/shader_enums.c        | 1 +
 src/compiler/shader_enums.h        | 1 +
 src/compiler/spirv/vtn_variables.c | 4 ++++
 5 files changed, 9 insertions(+)

diff --git a/src/compiler/nir/nir.c b/src/compiler/nir/nir.c
index c515a30b626..ca89a46f7d4 100644
--- a/src/compiler/nir/nir.c
+++ b/src/compiler/nir/nir.c
@@ -1758,6 +1758,8 @@ nir_intrinsic_from_system_value(gl_system_value val)
       return nir_intrinsic_load_local_group_size;
    case SYSTEM_VALUE_GLOBAL_INVOCATION_ID:
       return nir_intrinsic_load_global_invocation_id;
+   case SYSTEM_VALUE_WORK_DIM:
+      return nir_intrinsic_load_work_dim;
    default:
       unreachable("system value does not directly correspond to intrinsic");
    }
diff --git a/src/compiler/nir/nir_intrinsics.py b/src/compiler/nir/nir_intrinsics.py
index 919aa609f8a..1a03a6aa30f 100644
--- a/src/compiler/nir/nir_intrinsics.py
+++ b/src/compiler/nir/nir_intrinsics.py
@@ -452,6 +452,7 @@ system_value("num_subgroups", 1)
 system_value("subgroup_id", 1)
 system_value("local_group_size", 3)
 system_value("global_invocation_id", 3)
+system_value("work_dim", 1)
 
 # Blend constant color values.  Float values are clamped.#
 system_value("blend_const_color_r_float", 1)
diff --git a/src/compiler/shader_enums.c b/src/compiler/shader_enums.c
index 4eade256604..a874083a0b7 100644
--- a/src/compiler/shader_enums.c
+++ b/src/compiler/shader_enums.c
@@ -240,6 +240,7 @@ gl_system_value_name(gl_system_value sysval)
      ENUM(SYSTEM_VALUE_NUM_WORK_GROUPS),
      ENUM(SYSTEM_VALUE_LOCAL_GROUP_SIZE),
      ENUM(SYSTEM_VALUE_GLOBAL_GROUP_SIZE),
+     ENUM(SYSTEM_VALUE_WORK_DIM),
      ENUM(SYSTEM_VALUE_DEVICE_INDEX),
      ENUM(SYSTEM_VALUE_VIEW_INDEX),
      ENUM(SYSTEM_VALUE_VERTEX_CNT),
diff --git a/src/compiler/shader_enums.h b/src/compiler/shader_enums.h
index 280bf1d2835..f8e22925f35 100644
--- a/src/compiler/shader_enums.h
+++ b/src/compiler/shader_enums.h
@@ -586,6 +586,7 @@ typedef enum
    SYSTEM_VALUE_NUM_WORK_GROUPS,
    SYSTEM_VALUE_LOCAL_GROUP_SIZE,
    SYSTEM_VALUE_GLOBAL_GROUP_SIZE,
+   SYSTEM_VALUE_WORK_DIM,
    /*@}*/
 
    /** Required for VK_KHR_device_group */
diff --git a/src/compiler/spirv/vtn_variables.c b/src/compiler/spirv/vtn_variables.c
index 67b4d59b9fe..6bd7aa1b0d5 100644
--- a/src/compiler/spirv/vtn_variables.c
+++ b/src/compiler/spirv/vtn_variables.c
@@ -1208,6 +1208,10 @@ vtn_get_builtin_location(struct vtn_builder *b,
       *location = FRAG_RESULT_STENCIL;
       vtn_assert(*mode == nir_var_shader_out);
       break;
+   case SpvBuiltInWorkDim:
+      *location = SYSTEM_VALUE_WORK_DIM;
+      set_mode_system_value(b, mode);
+      break;
    case SpvBuiltInGlobalSize:
       *location = SYSTEM_VALUE_GLOBAL_GROUP_SIZE;
       set_mode_system_value(b, mode);
-- 
2.17.1