[Mesa-dev] [PATCH 10/19] st/glsl_to_tgsi: implement ARB_shader_ballot system variables

[Nicolai Hähnle]

From: Nicolai Hähnle <nicolai.haehnle at amd.com>

---
 src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index e84c61a..8c94f05 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -5440,20 +5440,36 @@ _mesa_sysval_to_semantic(unsigned sysval)
    /* Compute shader */
    case SYSTEM_VALUE_LOCAL_INVOCATION_ID:
       return TGSI_SEMANTIC_THREAD_ID;
    case SYSTEM_VALUE_WORK_GROUP_ID:
       return TGSI_SEMANTIC_BLOCK_ID;
    case SYSTEM_VALUE_NUM_WORK_GROUPS:
       return TGSI_SEMANTIC_GRID_SIZE;
    case SYSTEM_VALUE_LOCAL_GROUP_SIZE:
       return TGSI_SEMANTIC_BLOCK_SIZE;
 
+   /* ARB_shader_ballot */
+   case SYSTEM_VALUE_SUBGROUP_SIZE:
+      return TGSI_SEMANTIC_SUBGROUP_SIZE;
+   case SYSTEM_VALUE_SUBGROUP_INVOCATION:
+      return TGSI_SEMANTIC_SUBGROUP_INVOCATION;
+   case SYSTEM_VALUE_SUBGROUP_EQ_MASK:
+      return TGSI_SEMANTIC_SUBGROUP_EQ_MASK;
+   case SYSTEM_VALUE_SUBGROUP_GE_MASK:
+      return TGSI_SEMANTIC_SUBGROUP_GE_MASK;
+   case SYSTEM_VALUE_SUBGROUP_GT_MASK:
+      return TGSI_SEMANTIC_SUBGROUP_GT_MASK;
+   case SYSTEM_VALUE_SUBGROUP_LE_MASK:
+      return TGSI_SEMANTIC_SUBGROUP_LE_MASK;
+   case SYSTEM_VALUE_SUBGROUP_LT_MASK:
+      return TGSI_SEMANTIC_SUBGROUP_LT_MASK;
+
    /* Unhandled */
    case SYSTEM_VALUE_LOCAL_INVOCATION_INDEX:
    case SYSTEM_VALUE_GLOBAL_INVOCATION_ID:
    case SYSTEM_VALUE_VERTEX_CNT:
    default:
       assert(!"Unexpected SYSTEM_VALUE_ enum");
       return TGSI_SEMANTIC_COUNT;
    }
 }
 
-- 
2.9.3