nir/glsl: Add support for saturate

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
2014-10-15 16:19:26 -07:00
parent 4582341ea7
commit 458a6ce500
1 changed files with 5 additions and 0 deletions
@@ -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);