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-rw-r--r--src/mesa/shader/programopt.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mesa/shader/programopt.c b/src/mesa/shader/programopt.c
index f1d8ce3065..fc5b0497fe 100644
--- a/src/mesa/shader/programopt.c
+++ b/src/mesa/shader/programopt.c
@@ -199,6 +199,7 @@ _mesa_append_fog_code(GLcontext *ctx, struct gl_fragment_program *fprog)
inst->SrcReg[2].File = PROGRAM_STATE_VAR;
inst->SrcReg[2].Index = fogPRefOpt;
inst->SrcReg[2].Swizzle = SWIZZLE_Y;
+ inst->SaturateMode = SATURATE_ZERO_ONE;
inst++;
}
else {