[Mesa-dev] [PATCH 09/19] st/glsl_to_tgsi: implement ARB_shader_ballot builtin functions

[Nicolai Hähnle]

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

---
 src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 7da08da..e84c61a 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -2360,20 +2360,29 @@ glsl_to_tgsi_visitor::visit_expression(ir_expression* ir, st_src_reg *op)
 
    case ir_unop_vote_any:
       emit_asm(ir, TGSI_OPCODE_VOTE_ANY, result_dst, op[0]);
       break;
    case ir_unop_vote_all:
       emit_asm(ir, TGSI_OPCODE_VOTE_ALL, result_dst, op[0]);
       break;
    case ir_unop_vote_eq:
       emit_asm(ir, TGSI_OPCODE_VOTE_EQ, result_dst, op[0]);
       break;
+   case ir_unop_ballot:
+      emit_asm(ir, TGSI_OPCODE_BALLOT, result_dst, op[0]);
+      break;
+   case ir_unop_read_first_invocation:
+      emit_asm(ir, TGSI_OPCODE_READ_FIRST, result_dst, op[0]);
+      break;
+   case ir_binop_read_invocation:
+      emit_asm(ir, TGSI_OPCODE_READ_INVOC, result_dst, op[0], op[1]);
+      break;
    case ir_unop_u2i64:
    case ir_unop_u2u64:
    case ir_unop_b2i64: {
       st_src_reg temp = get_temp(glsl_type::uvec4_type);
       st_dst_reg temp_dst = st_dst_reg(temp);
       unsigned orig_swz = op[0].swizzle;
       /* 
        * To convert unsigned to 64-bit:
        * zero Y channel, copy X channel.
        */
-- 
2.9.3