Henri Verbeet : wined3d: Properly check if an attribute is used in find_conversion_shift().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 839658848c22e8b9ab35f4c69f078224b945a790
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=839658848c22e8b9ab35f4c69f078224b945a790

Author: Henri Verbeet <hverbeet at codeweavers.com>
Date:   Tue Aug 25 08:17:12 2009 +0200

wined3d: Properly check if an attribute is used in find_conversion_shift().

---

 dlls/wined3d/buffer.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/wined3d/buffer.c b/dlls/wined3d/buffer.c
index 11a365a..104f572 100644
--- a/dlls/wined3d/buffer.c
+++ b/dlls/wined3d/buffer.c
@@ -258,7 +258,7 @@ static UINT *find_conversion_shift(struct wined3d_buffer *This,
     {
         WINED3DFORMAT format;
 
-        if (strided->elements[i].buffer_object != This->buffer_object) continue;
+        if (!(strided->use_map & (1 << i)) || strided->elements[i].buffer_object != This->buffer_object) continue;
 
         format = strided->elements[i].format_desc->format;
         if (format == WINED3DFMT_R16G16_FLOAT)