[PATCH 2/5] ddraw: Only update primary_lock when we're actually locking the frontbuffer.
Henri Verbeet
hverbeet at codeweavers.com
Thu Oct 27 10:06:24 CDT 2011
This fixes a regression introduced by commit
8330558e125c9073068ffbd7741f1128c17c1e08.
---
dlls/ddraw/surface.c | 15 +++++++++------
1 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/dlls/ddraw/surface.c b/dlls/ddraw/surface.c
index de32103..9f85153 100644
--- a/dlls/ddraw/surface.c
+++ b/dlls/ddraw/surface.c
@@ -972,12 +972,15 @@ static HRESULT surface_lock(IDirectDrawSurfaceImpl *This,
}
}
- if (Flags & DDLOCK_READONLY)
- memset(&This->ddraw->primary_lock, 0, sizeof(This->ddraw->primary_lock));
- else if (Rect)
- This->ddraw->primary_lock = *Rect;
- else
- SetRect(&This->ddraw->primary_lock, 0, 0, This->surface_desc.dwWidth, This->surface_desc.dwHeight);
+ if (This->surface_desc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER)
+ {
+ if (Flags & DDLOCK_READONLY)
+ memset(&This->ddraw->primary_lock, 0, sizeof(This->ddraw->primary_lock));
+ else if (Rect)
+ This->ddraw->primary_lock = *Rect;
+ else
+ SetRect(&This->ddraw->primary_lock, 0, 0, This->surface_desc.dwWidth, This->surface_desc.dwHeight);
+ }
/* Override the memory area. The pitch should be set already. Strangely windows
* does not set the LPSURFACE flag on locked surfaces !?!.
--
1.7.3.4
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