From: Antia Puentes <apuentes@igalia.com>
Date: Wed, 17 Jun 2015 07:52:43 +0000 (+0200)
Subject: i965/nir/vec4: Implement linear interpolation
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b38fcd0aea8d17919ecd9cc7afc518cfb2c01c27;p=mesa.git

i965/nir/vec4: Implement linear interpolation

Adds NIR ALU operation:
   * nir_op_flrp

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
---

diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
index 2cf157678c9..1ee85976793 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
@@ -1202,6 +1202,11 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
       inst->saturate = instr->dest.saturate;
       break;
 
+   case nir_op_flrp:
+      inst = emit_lrp(dst, op[0], op[1], op[2]);
+      inst->saturate = instr->dest.saturate;
+      break;
+
    default:
       unreachable("Unimplemented ALU operation");
    }