=?UTF-8?Q?Stefan=20D=C3=B6singer=20?=: ddraw: Add DDBLT_DEPTHFILL validation.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a84980168ce948069565a65cf5d98b778c471fe1
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=a84980168ce948069565a65cf5d98b778c471fe1

Author: Stefan Dösinger <stefan at codeweavers.com>
Date:   Mon Mar 16 14:48:54 2015 +0100

ddraw: Add DDBLT_DEPTHFILL validation.

---

 dlls/ddraw/surface.c | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/dlls/ddraw/surface.c b/dlls/ddraw/surface.c
index 8b25cb9..034e3aa 100644
--- a/dlls/ddraw/surface.c
+++ b/dlls/ddraw/surface.c
@@ -1537,26 +1537,36 @@ static HRESULT WINAPI ddraw_surface7_Blt(IDirectDrawSurface7 *iface, RECT *DestR
 
     wined3d_mutex_lock();
 
-    if (Flags & DDBLT_COLORFILL)
+    if (Flags & (DDBLT_COLORFILL | DDBLT_DEPTHFILL))
     {
         if (src_surface)
         {
             wined3d_mutex_unlock();
-            WARN("DDBLT_COLORFILL is not compatible with source surfaces, returning DDERR_INVALIDPARAMS\n");
+            WARN("Depth or colorfill is not compatible with source surfaces, returning DDERR_INVALIDPARAMS\n");
             return DDERR_INVALIDPARAMS;
         }
         if (!DDBltFx)
         {
             wined3d_mutex_unlock();
-            WARN("DDBLT_COLORFILL used with DDBltFx = NULL, returning DDERR_INVALIDPARAMS.\n");
+            WARN("Depth or colorfill used with DDBltFx = NULL, returning DDERR_INVALIDPARAMS.\n");
             return DDERR_INVALIDPARAMS;
         }
-        if (dst_surface->surface_desc.ddsCaps.dwCaps & DDSCAPS_ZBUFFER)
+
+        if ((Flags & (DDBLT_COLORFILL | DDBLT_DEPTHFILL)) == (DDBLT_COLORFILL | DDBLT_DEPTHFILL))
+            Flags &= ~DDBLT_DEPTHFILL;
+
+        if ((dst_surface->surface_desc.ddsCaps.dwCaps & DDSCAPS_ZBUFFER) && (Flags & DDBLT_COLORFILL))
         {
             wined3d_mutex_unlock();
             WARN("DDBLT_COLORFILL used on a depth buffer, returning DDERR_INVALIDPARAMS.\n");
             return DDERR_INVALIDPARAMS;
         }
+        if (!(dst_surface->surface_desc.ddsCaps.dwCaps & DDSCAPS_ZBUFFER) && (Flags & DDBLT_DEPTHFILL))
+        {
+            wined3d_mutex_unlock();
+            WARN("DDBLT_DEPTHFILL used on a color buffer, returning DDERR_INVALIDPARAMS.\n");
+            return DDERR_INVALIDPARAMS;
+        }
     }
 
     if (Flags & DDBLT_KEYSRC && (!src_surface || !(src_surface->surface_desc.dwFlags & DDSD_CKSRCBLT)))