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-rw-r--r--src/mesa/swrast/s_tritemp.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/swrast/s_tritemp.h b/src/mesa/swrast/s_tritemp.h
index 9180218b236..1949e7cd40f 100644
--- a/src/mesa/swrast/s_tritemp.h
+++ b/src/mesa/swrast/s_tritemp.h
@@ -580,7 +580,7 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
GLfixed zLeft = 0, fdzOuter = 0, fdzInner;
#endif
#ifdef INTERP_W
- GLfloat wLeft, dwOuter, dwInner;
+ GLfloat wLeft = 0, dwOuter = 0, dwInner;
#endif
#ifdef INTERP_FOG
GLfloat fogLeft = 0, dfogOuter = 0, dfogInner;