Mesa (master): st/glsl_to_tgsi: implement ARB_shader_ballot system variables

[Nicolai Hähnle]

Module: Mesa
Branch: master
Commit: 84039cc1c371003007dd474764768808bb8d7a9a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=84039cc1c371003007dd474764768808bb8d7a9a

Author: Nicolai Hähnle <nicolai.haehnle at amd.com>
Date:   Thu Mar 30 14:14:45 2017 +0200

st/glsl_to_tgsi: implement ARB_shader_ballot system variables

Reviewed-by: Marek Olšák <marek.olsak 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 04e7304677..96c08a64f3 100644
--- 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: