Stefan Dösinger : wined3d: Heightscaled surfaces still have an integer size.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 774cb21a4d0985e7f66d1ff8ba05160fc56bd6f5
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=774cb21a4d0985e7f66d1ff8ba...

Author: Stefan Dösinger <stefan(a)codeweavers.com>
Date:   Thu May 12 21:23:51 2011 +0200

wined3d: Heightscaled surfaces still have an integer size.

---

 dlls/wined3d/utils.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/dlls/wined3d/utils.c b/dlls/wined3d/utils.c
index 20b6001..c34060d 100644
--- a/dlls/wined3d/utils.c
+++ b/dlls/wined3d/utils.c
@@ -1615,7 +1615,11 @@ UINT wined3d_format_calculate_size(const struct wined3d_format *format, UINT ali
         size = height * (((width * format->byte_count) + alignment - 1) & ~(alignment - 1));
     }
 
-    if (format->heightscale != 0.0f) size *= format->heightscale;
+    if (format->heightscale != 0.0f)
+    {
+        /* The D3D format requirements make sure that the resulting format is an integer again */
+        size = (UINT) (size * format->heightscale);
+    }
 
     return size;
 }