From d6df99ea58d90800938b447f79bf4afd44e40942 Mon Sep 17 00:00:00 2001
From: Marius Kintel <marius@kintel.net>
Date: Fri, 2 Sep 2011 23:30:42 +0200
Subject: Don't overwrite alpha specified by a 4-component c argument


diff --git a/src/transform.cc b/src/transform.cc
index 7b15a7e..d774a8c 100644
--- a/src/transform.cc
+++ b/src/transform.cc
@@ -243,8 +243,6 @@ AbstractNode *TransformModule::evaluate(const Context *ctx, const ModuleInstanti
 		Value alpha = c.lookup_variable("alpha");
 		if (alpha.type == Value::NUMBER) {
 			node->m[16+3] = alpha.num;
-		} else {
-			node->m[16+3] = 1.0;
 		}
 	}
 
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