Mesa (master): ir_to_mesa, glsl_to_tgsi: Add support for ir_unop_saturate

[Abdiel Janulgue]

Module: Mesa
Branch: master
Commit: 909fa50f5b224fea4aeb464c0b315adad0ff571a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=909fa50f5b224fea4aeb464c0b315adad0ff571a

Author: Abdiel Janulgue <abdiel.janulgue at linux.intel.com>
Date:   Mon Jun 16 11:14:32 2014 -0700

ir_to_mesa, glsl_to_tgsi: Add support for ir_unop_saturate

Reviewed-by: Matt Turner <mattst88 at gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>
Signed-off-by: Abdiel Janulgue <abdiel.janulgue at linux.intel.com>

---

 src/mesa/program/ir_to_mesa.cpp            |    6 ++++++
 src/mesa/state_tracker/st_glsl_to_tgsi.cpp |    6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index ff3d0d6..c6aae1a 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -1171,6 +1171,12 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
       emit(ir, OPCODE_DDY, result_dst, op[0]);
       break;
 
+   case ir_unop_saturate: {
+      ir_to_mesa_instruction *inst = emit(ir, OPCODE_MOV,
+                                          result_dst, op[0]);
+      inst->saturate = true;
+      break;
+   }
    case ir_unop_noise: {
       const enum prog_opcode opcode =
 	 prog_opcode(OPCODE_NOISE1
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 575da1e..55b9940 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -1460,6 +1460,12 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
    case ir_unop_cos_reduced:
       emit_scs(ir, TGSI_OPCODE_COS, result_dst, op[0]);
       break;
+   case ir_unop_saturate: {
+      glsl_to_tgsi_instruction *inst;
+      inst = emit(ir, TGSI_OPCODE_MOV, result_dst, op[0]);
+      inst->saturate = true;
+      break;
+   }
 
    case ir_unop_dFdx:
    case ir_unop_dFdx_coarse: