From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Wed, 15 Oct 2014 23:19:26 +0000 (-0700)
Subject: nir/glsl: Add support for saturate
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=458a6ce500998e6f463d29641060a1672e01c620;p=mesa.git

nir/glsl: Add support for saturate

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
---

diff --git a/src/glsl/nir/glsl_to_nir.cpp b/src/glsl/nir/glsl_to_nir.cpp
index 19f4e29ebdb..7155a9df08a 100644
--- a/src/glsl/nir/glsl_to_nir.cpp
+++ b/src/glsl/nir/glsl_to_nir.cpp
@@ -1007,6 +1007,11 @@ nir_visitor::visit(ir_expression *ir)
                    dest_size, srcs);
       instr->src[0].abs = true;
       break;
+   case ir_unop_saturate:
+      assert(types[0] == GLSL_TYPE_FLOAT);
+      instr = emit(nir_op_fmov, dest_size, srcs);
+      instr->dest.saturate = true;
+      break;
    case ir_unop_sign:
       emit(types[0] == GLSL_TYPE_FLOAT ? nir_op_fsign : nir_op_isign,
            dest_size, srcs);