From a754413196e1af0ad6618148491311e40e60fa2b Mon Sep 17 00:00:00 2001
From: Yaski <andrei@alternativaplatform.com>
Date: Sun, 8 Jul 2012 04:57:27 +0600
Subject: [PATCH] Procedure: fix set attribute swizzle

---
 src/alternativa/engine3d/materials/compiler/Procedure.as | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/alternativa/engine3d/materials/compiler/Procedure.as b/src/alternativa/engine3d/materials/compiler/Procedure.as
index 03336d9..8cd7330 100644
--- a/src/alternativa/engine3d/materials/compiler/Procedure.as
+++ b/src/alternativa/engine3d/materials/compiler/Procedure.as
@@ -258,7 +258,7 @@ use namespace alternativa3d;
 						throw new Error("Expression is too complex. Output used as source.");
 					}
 				}
-				var maxSwizzle:uint = (aSwizzleLen > bSwizzleLen) ? aSwizzleLen : bSwizzleLen;
+				var maxSwizzle:uint;
 				if (numInputs <= 1) {
 					maxSwizzle = getSwizzleLen(a);
 				} else {
@@ -293,7 +293,7 @@ use namespace alternativa3d;
 			var operand:String;
 			if (numOperands == 3) {
 				operand = operands[2];
-				if (getSwizzleLen(operand) != 4 && getSwizzleLen(operand) != 1) {
+				if (getSwizzleLen(operand) != outputMaskLen && getSwizzleLen(operand) != 1) {
 					throw new Error("Expression differs in size with output " + output + ".");
 				}
 				writeAGALExpression("mov " + output + " " + operand);