From 2d358577050d2af0c34e4ca49abae4c806315c68 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timur=20Krist=C3=B3f?= <timur.kristof@gmail.com>
Date: Fri, 14 May 2021 16:31:13 +0200
Subject: [PATCH] gallium/tessellator: Fix uninitialized variable warnings.
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Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10806>
---
 src/gallium/auxiliary/tessellator/tessellator.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/gallium/auxiliary/tessellator/tessellator.cpp b/src/gallium/auxiliary/tessellator/tessellator.cpp
index c2dc40f571e..952928b060b 100644
--- a/src/gallium/auxiliary/tessellator/tessellator.cpp
+++ b/src/gallium/auxiliary/tessellator/tessellator.cpp
@@ -18,6 +18,7 @@
 */
 
 #include "tessellator.hpp"
+#include "util/macros.h"
 #if defined(_MSC_VER)
 #include <math.h> // ceil
 #else
@@ -2228,6 +2229,8 @@ void CHLSLTessellator::QuadHLSLProcessTessFactors( float tessFactor_Ueq0, float
         case PIPE_TESSELLATOR_REDUCTION_AVERAGE:
             insideTessFactor[U] = (tessFactor_Veq0 + tessFactor_Veq1 + tessFactor_Ueq0 + tessFactor_Ueq1) / 4;
             break;
+        default:
+            unreachable("impossible m_insideTessFactorReduction");
         }
         // Scale inside tessFactor based on user scale factor.
 
@@ -2293,6 +2296,8 @@ void CHLSLTessellator::QuadHLSLProcessTessFactors( float tessFactor_Ueq0, float
             insideTessFactor[U] = (tessFactor_Veq0 + tessFactor_Veq1) / 2;
             insideTessFactor[V] = (tessFactor_Ueq0 + tessFactor_Ueq1) / 2;
             break;
+        default:
+            unreachable("impossible m_insideTessFactorReduction");
         }
         // Scale inside tessFactors based on user scale factor.
 
@@ -2464,6 +2469,8 @@ void CHLSLTessellator::TriHLSLProcessTessFactors( float tessFactor_Ueq0, float t
     case PIPE_TESSELLATOR_REDUCTION_AVERAGE:
         insideTessFactor = (tessFactor_Ueq0 + tessFactor_Veq0 + tessFactor_Weq0) / 3;
         break;
+    default:
+        unreachable("impossible m_insideTessFactorReduction");
     }
 
     // Scale inside TessFactor based on user scale factor.