From a58501f56f0076595705baa06917628325a09ea5 Mon Sep 17 00:00:00 2001
From: Pavel Krajcevski <pavel@cs.unc.edu>
Date: Wed, 7 May 2014 22:59:49 +0200
Subject: [PATCH] Fast track zero partition selection

---
 ASTCEncoder/src/Utils.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ASTCEncoder/src/Utils.h b/ASTCEncoder/src/Utils.h
index ef2112d..1186b2a 100644
--- a/ASTCEncoder/src/Utils.h
+++ b/ASTCEncoder/src/Utils.h
@@ -141,6 +141,9 @@ namespace ASTCC {
 
   static int32 SelectPartition(int32 seed, int32 x, int32 y, int32 z,
                                int32 partitionCount, int32 smallBlock) {
+    if(1 == partitionCount)
+      return 0;
+
     if(smallBlock) {
       x <<= 1;
       y <<= 1;