[PATCH 3/5] ddraw: Get rid of the DDSCAPS_BACKBUFFER validation in ddraw_surface_create().

Henri Verbeet hverbeet at codeweavers.com
Mon Dec 2 05:07:36 CST 2013


All callers except ddraw1_CreateSurface() already have a stricter check
themselves.
---
 dlls/ddraw/ddraw.c   |    8 ++++++++
 dlls/ddraw/surface.c |    8 --------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/dlls/ddraw/ddraw.c b/dlls/ddraw/ddraw.c
index d2d762d..7fca84c 100644
--- a/dlls/ddraw/ddraw.c
+++ b/dlls/ddraw/ddraw.c
@@ -2924,6 +2924,14 @@ static HRESULT WINAPI ddraw1_CreateSurface(IDirectDraw *iface,
     /* Remove front buffer flag, this causes failure in v7, and its added to normal
      * primaries anyway. */
     surface_desc->ddsCaps.dwCaps &= ~DDSCAPS_FRONTBUFFER;
+    if ((surface_desc->ddsCaps.dwCaps & (DDSCAPS_PRIMARYSURFACE | DDSCAPS_BACKBUFFER))
+            == (DDSCAPS_PRIMARYSURFACE | DDSCAPS_BACKBUFFER))
+    {
+        WARN("Application tried to create an explicit front or back buffer.\n");
+        wined3d_mutex_unlock();
+        return DDERR_INVALIDCAPS;
+    }
+
     DDSD_to_DDSD2(surface_desc, &surface_desc2);
     hr = ddraw_surface_create(ddraw, &surface_desc2, &impl, outer_unknown, 1);
     wined3d_mutex_unlock();
diff --git a/dlls/ddraw/surface.c b/dlls/ddraw/surface.c
index 29385b7..37fd096 100644
--- a/dlls/ddraw/surface.c
+++ b/dlls/ddraw/surface.c
@@ -5640,14 +5640,6 @@ HRESULT ddraw_surface_create(struct ddraw *ddraw, const DDSURFACEDESC2 *surface_
         return DDERR_NOEXCLUSIVEMODE;
     }
 
-    if ((desc->ddsCaps.dwCaps & (DDSCAPS_BACKBUFFER | DDSCAPS_PRIMARYSURFACE))
-            == (DDSCAPS_BACKBUFFER | DDSCAPS_PRIMARYSURFACE))
-    {
-        WARN("Tried to create a back buffer surface.\n");
-        HeapFree(GetProcessHeap(), 0, texture);
-        return DDERR_INVALIDCAPS;
-    }
-
     /* This is a special case in ddrawex, but not allowed in ddraw. */
     if ((desc->ddsCaps.dwCaps & (DDSCAPS_VIDEOMEMORY | DDSCAPS_SYSTEMMEMORY))
             == (DDSCAPS_VIDEOMEMORY | DDSCAPS_SYSTEMMEMORY))
-- 
1.7.10.4




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