ir_to_mesa: Add support for ir_unop_sign.

Fixes glsl-fs-sign, glsl-vs-sign.

diff --git a/src/mesa/shader/ir_to_mesa.cpp b/src/mesa/shader/ir_to_mesa.cpp
index af9bdb548283ac5b72310379c52b6f02cdfdd6ca..b140d96851f82e05577f3a392976e6595e15c583 100644 (file)
--- a/src/mesa/shader/ir_to_mesa.cpp
+++ b/src/mesa/shader/ir_to_mesa.cpp
@@ -615,6 +615,9 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
    case ir_unop_abs:
       ir_to_mesa_emit_op1(ir, OPCODE_ABS, result_dst, op[0]);
       break;
+   case ir_unop_sign:
+      ir_to_mesa_emit_op1(ir, OPCODE_SSG, result_dst, op[0]);
+      break;
 
    case ir_unop_exp:
       ir_to_mesa_emit_scalar_op1(ir, OPCODE_EXP, result_dst, op[0]);