From: José Fonseca <jfonseca@vmware.com>
Date: Fri, 30 Jan 2009 14:06:25 +0000 (+0000)
Subject: pipebuffer: Consider 0 as no alignment needed.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7996b3e034f92eeceed3f3e7c01eb1f829d98b18;p=mesa.git

pipebuffer: Consider 0 as no alignment needed.
---

diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer.h b/src/gallium/auxiliary/pipebuffer/pb_buffer.h
index 7cba5fa441c..d8f1f02d681 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_buffer.h
+++ b/src/gallium/auxiliary/pipebuffer/pb_buffer.h
@@ -255,7 +255,13 @@ pb_reference(struct pb_buffer **dst,
 static INLINE boolean
 pb_check_alignment(size_t requested, size_t provided)
 {
-   return requested <= provided && (provided % requested) == 0 ? TRUE : FALSE;
+   if(!requested)
+      return TRUE;
+   if(requested > provided)
+      return FALSE;
+   if(provided % requested != 0)
+      return FALSE;
+   return TRUE;
 }