From 697f071e3dcd3b01dba050d6c5316f2a23ee82f8 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Fri, 22 Nov 2013 08:50:11 +0100
Subject: libxtrans mesa git update 22 nov 2013

libxtrans        commit 8b2c8aabe27bcaa4de6432b53c4a1296010ea823
mesa             commit bb354c6c279031dafc08029a62cd3e76a6c1ca71
---
 mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp')

diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 6319079d5..74b3e5b58 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -4889,6 +4889,13 @@ st_translate_program(
          t->outputs[i] = ureg_DECL_output(ureg,
                                           outputSemanticName[i],
                                           outputSemanticIndex[i]);
+         if (outputSemanticName[i] == TGSI_SEMANTIC_FOG) {
+            /* force register to contain a fog coordinate in the form (F, 0, 0, 1). */
+            ureg_MOV(ureg,
+                     ureg_writemask(t->outputs[i], TGSI_WRITEMASK_XYZW & ~TGSI_WRITEMASK_X),
+                     ureg_imm4f(ureg, 0.0f, 0.0f, 0.0f, 1.0f));
+            t->outputs[i] = ureg_writemask(t->outputs[i], TGSI_WRITEMASK_X);
+	 }
       }
       if (passthrough_edgeflags)
          emit_edgeflags(t);
-- 
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