From fab17c1216e9ae03eaa035dd36dc773d442b345d Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Tue, 18 Aug 2009 17:49:57 -0600
Subject: [PATCH] tgsi/sse: we don't implement saturation modes yet

Fixes piglit fp-generic tests/shaders/generic/lrp_sat.fp, bug 23316.
---
 src/gallium/auxiliary/tgsi/tgsi_sse2.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
index ba2bfdef062..571f98ae35e 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
@@ -1502,6 +1502,10 @@ emit_instruction(
    if (indirect_temp_reference(inst))
       return FALSE;
 
+   /* we don't handle saturation/clamping yet */
+   if (inst->Instruction.Saturate != TGSI_SAT_NONE)
+      return FALSE;
+
    switch (inst->Instruction.Opcode) {
    case TGSI_OPCODE_ARL:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-- 
2.30.2