[PATCH 1/3] ddraw: Use the largest dimension to determine the mipmap count for version 7 surfaces.

Henri Verbeet hverbeet at codeweavers.com
Wed Jan 6 08:52:05 CST 2016


Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
---
 dlls/ddraw/surface.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dlls/ddraw/surface.c b/dlls/ddraw/surface.c
index 0976603..9b845d2 100644
--- a/dlls/ddraw/surface.c
+++ b/dlls/ddraw/surface.c
@@ -5873,7 +5873,10 @@ HRESULT ddraw_surface_create(struct ddraw *ddraw, const DDSURFACEDESC2 *surface_
             {
                 /* Undocumented feature: Create sublevels until either the
                  * width or the height is 1. */
-                desc->u2.dwMipMapCount = wined3d_log2i(min(desc->dwWidth, desc->dwHeight)) + 1;
+                if (version == 7)
+                    desc->u2.dwMipMapCount = wined3d_log2i(max(desc->dwWidth, desc->dwHeight)) + 1;
+                else
+                    desc->u2.dwMipMapCount = wined3d_log2i(min(desc->dwWidth, desc->dwHeight)) + 1;
             }
         }
         else
-- 
2.1.4




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