[PATCH 1/5] ddrawex: Use unsafe_impl_from_IDirectDrawSurface4() for application provided ifaces.
Michael Stefaniuc
mstefani at redhat.de
Fri Aug 17 09:05:15 CDT 2012
---
dlls/ddrawex/ddrawex_private.h | 1 +
dlls/ddrawex/surface.c | 29 ++++++++++++++++++-----------
2 files changed, 19 insertions(+), 11 deletions(-)
diff --git a/dlls/ddrawex/ddrawex_private.h b/dlls/ddrawex/ddrawex_private.h
index b8d435a..1db3412 100644
--- a/dlls/ddrawex/ddrawex_private.h
+++ b/dlls/ddrawex/ddrawex_private.h
@@ -89,6 +89,7 @@ typedef struct
} IDirectDrawSurfaceImpl;
+IDirectDrawSurfaceImpl *unsafe_impl_from_IDirectDrawSurface4(IDirectDrawSurface4 *iface) DECLSPEC_HIDDEN;
IDirectDrawSurface4 *dds_get_outer(IDirectDrawSurface4 *inner) DECLSPEC_HIDDEN;
IDirectDrawSurface4 *dds_get_inner(IDirectDrawSurface4 *outer) DECLSPEC_HIDDEN;
HRESULT prepare_permanent_dc(IDirectDrawSurface4 *iface) DECLSPEC_HIDDEN;
diff --git a/dlls/ddrawex/surface.c b/dlls/ddrawex/surface.c
index 4e9ad96..886e0f7 100644
--- a/dlls/ddrawex/surface.c
+++ b/dlls/ddrawex/surface.c
@@ -161,7 +161,7 @@ IDirectDrawSurface4Impl_AddAttachedSurface(IDirectDrawSurface4 *iface,
IDirectDrawSurface4 *Attach_iface)
{
IDirectDrawSurfaceImpl *This = impl_from_dds4(iface);
- IDirectDrawSurfaceImpl *attach = impl_from_dds4(Attach_iface);
+ IDirectDrawSurfaceImpl *attach = unsafe_impl_from_IDirectDrawSurface4(Attach_iface);
TRACE("(%p)->(%p)\n", This, attach);
return IDirectDrawSurface4_AddAttachedSurface(This->parent, attach->parent);
}
@@ -201,7 +201,7 @@ IDirectDrawSurface4Impl_Blt(IDirectDrawSurface4 *iface,
DDBLTFX *DDBltFx)
{
IDirectDrawSurfaceImpl *This = impl_from_dds4(iface);
- IDirectDrawSurfaceImpl *Src = impl_from_dds4(SrcSurface);
+ IDirectDrawSurfaceImpl *Src = unsafe_impl_from_IDirectDrawSurface4(SrcSurface);
TRACE("(%p)->(%p,%p,%p,0x%08x,%p)\n", This, DestRect, Src, SrcRect, Flags, DDBltFx);
return IDirectDrawSurface4_Blt(This->parent, DestRect, Src ? Src->parent : NULL,
SrcRect, Flags, DDBltFx);
@@ -245,7 +245,7 @@ IDirectDrawSurface4Impl_BltFast(IDirectDrawSurface4 *iface,
DWORD trans)
{
IDirectDrawSurfaceImpl *This = impl_from_dds4(iface);
- IDirectDrawSurfaceImpl *Src = impl_from_dds4(Source);
+ IDirectDrawSurfaceImpl *Src = unsafe_impl_from_IDirectDrawSurface4(Source);
TRACE("(%p)->(%u,%u,%p,%p,0x%08x)\n", This, dstx, dsty, Src, rsrc, trans);
return IDirectDrawSurface4_BltFast(This->parent, dstx, dsty, Src ? Src->parent : NULL,
rsrc, trans);
@@ -267,7 +267,7 @@ IDirectDrawSurface4Impl_DeleteAttachedSurface(IDirectDrawSurface4 *iface,
IDirectDrawSurface4 *Attach)
{
IDirectDrawSurfaceImpl *This = impl_from_dds4(iface);
- IDirectDrawSurfaceImpl *Att = impl_from_dds4(Attach);
+ IDirectDrawSurfaceImpl *Att = unsafe_impl_from_IDirectDrawSurface4(Attach);
TRACE("(%p)->(0x%08x,%p)\n", This, Flags, Att);
return IDirectDrawSurface4_DeleteAttachedSurface(This->parent, Flags,
Att ? Att->parent : NULL);
@@ -321,10 +321,10 @@ struct enumsurfaces_thunk
void *orig_ctx;
};
-static HRESULT WINAPI
-enumsurfaces_thunk_cb(IDirectDrawSurface4 *surf, DDSURFACEDESC2 *desc2, void *vctx)
+static HRESULT WINAPI enumsurfaces_thunk_cb(IDirectDrawSurface4 *surf, DDSURFACEDESC2 *desc2,
+ void *vctx)
{
- IDirectDrawSurfaceImpl *This = impl_from_dds4(surf);
+ IDirectDrawSurfaceImpl *This = unsafe_impl_from_IDirectDrawSurface4(surf);
struct enumsurfaces_thunk *ctx = vctx;
DDSURFACEDESC desc;
@@ -381,7 +381,7 @@ IDirectDrawSurface4Impl_Flip(IDirectDrawSurface4 *iface,
DWORD Flags)
{
IDirectDrawSurfaceImpl *This = impl_from_dds4(iface);
- IDirectDrawSurfaceImpl *Dest = impl_from_dds4(DestOverride);
+ IDirectDrawSurfaceImpl *Dest = unsafe_impl_from_IDirectDrawSurface4(DestOverride);
TRACE("(%p)->(%p,0x%08x)\n", This, Dest, Flags);
return IDirectDrawSurface4_Flip(This->parent, Dest ? Dest->parent : NULL, Flags);
}
@@ -858,7 +858,7 @@ IDirectDrawSurface4Impl_UpdateOverlay(IDirectDrawSurface4 *iface,
LPDDOVERLAYFX FX)
{
IDirectDrawSurfaceImpl *This = impl_from_dds4(iface);
- IDirectDrawSurfaceImpl *Dst = impl_from_dds4(DstSurface);
+ IDirectDrawSurfaceImpl *Dst = unsafe_impl_from_IDirectDrawSurface4(DstSurface);
TRACE("(%p)->(%p,%p,%p,0x%08x,%p)\n", This, SrcRect, Dst, DstRect, Flags, FX);
return IDirectDrawSurface4_UpdateOverlay(This->parent, SrcRect, Dst ? Dst->parent : NULL,
DstRect, Flags, FX);
@@ -898,7 +898,7 @@ IDirectDrawSurface4Impl_UpdateOverlayZOrder(IDirectDrawSurface4 *iface,
IDirectDrawSurface4 *DDSRef)
{
IDirectDrawSurfaceImpl *This = impl_from_dds4(iface);
- IDirectDrawSurfaceImpl *Ref = impl_from_dds4(DDSRef);
+ IDirectDrawSurfaceImpl *Ref = unsafe_impl_from_IDirectDrawSurface4(DDSRef);
TRACE("(%p)->(0x%08x,%p)\n", This, Flags, Ref);
return IDirectDrawSurface4_UpdateOverlayZOrder(This->parent, Flags, Ref ? Ref->parent : NULL);
}
@@ -1164,6 +1164,13 @@ static IDirectDrawSurfaceImpl *unsafe_impl_from_IDirectDrawSurface3(IDirectDrawS
return CONTAINING_RECORD(iface, IDirectDrawSurfaceImpl, IDirectDrawSurface3_iface);
}
+IDirectDrawSurfaceImpl *unsafe_impl_from_IDirectDrawSurface4(IDirectDrawSurface4 *iface)
+{
+ if (!iface) return NULL;
+ if (iface->lpVtbl != &IDirectDrawSurface4_Vtbl) return NULL;
+ return CONTAINING_RECORD(iface, IDirectDrawSurfaceImpl, IDirectDrawSurface4_Vtbl);
+}
+
/* dds_get_outer
*
* Given a surface from ddraw.dll it retrieves the pointer to the ddrawex.dll wrapper around it
@@ -1222,7 +1229,7 @@ IDirectDrawSurface4 *dds_get_inner(IDirectDrawSurface4 *outer)
HRESULT prepare_permanent_dc(IDirectDrawSurface4 *iface)
{
- IDirectDrawSurfaceImpl *This = impl_from_dds4(iface);
+ IDirectDrawSurfaceImpl *This = unsafe_impl_from_IDirectDrawSurface4(iface);
HRESULT hr;
This->permanent_dc = TRUE;
--
1.7.6.5
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