st/glsl_to_tgsi: implement ARB_shader_ballot system variables

Reviewed-by: Marek Olšák <marek.olsak@amd.com>

diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 04e7304..96c08a6 100644 (file)
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -5449,6 +5449,22 @@ _mesa_sysval_to_semantic(unsigned sysval)
    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: