[PATCH 2/5] wined3d: Support custom pitches in wined3d_surface_update_desc.

[Stefan Dösinger]

---
 dlls/wined3d/surface.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dlls/wined3d/surface.c b/dlls/wined3d/surface.c
index 9155c6b..486244b 100644
--- a/dlls/wined3d/surface.c
+++ b/dlls/wined3d/surface.c
@@ -2863,7 +2863,11 @@ HRESULT CDECL wined3d_surface_update_desc(struct wined3d_surface *surface,
     surface->resource.format = format;
     surface->resource.multisample_type = multisample_type;
     surface->resource.multisample_quality = multisample_quality;
-    surface->resource.size = wined3d_format_calculate_size(format, device->surface_alignment, width, height, 1);
+    if (surface->pitch)
+        surface->resource.size = width * surface->pitch;
+    else
+        surface->resource.size = wined3d_format_calculate_size(format,
+                device->surface_alignment, width, height, 1);
 
     if (create_dib)
     {
-- 
1.8.3.2