1 /* DirectDrawClipper implementation
3 * Copyright 2000 (c) Marcus Meissner
4 * Copyright 2000 (c) TransGaming Technologies Inc.
5 * Copyright 2006 (c) Stefan Dösinger
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/port.h"
25 #include "ddraw_private.h"
27 WINE_DEFAULT_DEBUG_CHANNEL(ddraw
);
29 /*****************************************************************************
31 *****************************************************************************/
33 /*****************************************************************************
34 * IDirectDrawClipper::QueryInterface
36 * Can query the IUnknown and IDirectDrawClipper interface from a
37 * Clipper object. The IUnknown Interface is equal to the IDirectDrawClipper
38 * interface. Can't create other interfaces.
41 * riid: Interface id asked for
42 * ppvObj: Returns the pointer to the interface
46 * E_NOINTERFACE if the requested interface wasn't found.
48 *****************************************************************************/
49 static HRESULT WINAPI
IDirectDrawClipperImpl_QueryInterface(
50 LPDIRECTDRAWCLIPPER iface
, REFIID riid
, LPVOID
* ppvObj
53 TRACE("iface %p, riid %s, object %p.\n", iface
, debugstr_guid(riid
), ppvObj
);
55 if (IsEqualGUID(&IID_IDirectDrawClipper
, riid
)
56 || IsEqualGUID(&IID_IUnknown
, riid
))
58 IUnknown_AddRef(iface
);
66 /*****************************************************************************
67 * IDirectDrawClipper::AddRef
69 * Increases the reference count of the interface, returns the new count
71 *****************************************************************************/
72 static ULONG WINAPI
IDirectDrawClipperImpl_AddRef( LPDIRECTDRAWCLIPPER iface
)
74 IDirectDrawClipperImpl
*This
= (IDirectDrawClipperImpl
*)iface
;
75 ULONG ref
= InterlockedIncrement(&This
->ref
);
77 TRACE("%p increasing refcount to %u.\n", This
, ref
);
82 /*****************************************************************************
83 * IDirectDrawClipper::Release
85 * Decreases the reference count of the interface, returns the new count
86 * If the refcount is decreased to 0, the interface is destroyed.
88 *****************************************************************************/
89 static ULONG WINAPI
IDirectDrawClipperImpl_Release(IDirectDrawClipper
*iface
) {
90 IDirectDrawClipperImpl
*This
= (IDirectDrawClipperImpl
*)iface
;
91 ULONG ref
= InterlockedDecrement(&This
->ref
);
93 TRACE("%p decreasing refcount to %u.\n", This
, ref
);
97 EnterCriticalSection(&ddraw_cs
);
98 wined3d_clipper_decref(This
->wineD3DClipper
);
99 HeapFree(GetProcessHeap(), 0, This
);
100 LeaveCriticalSection(&ddraw_cs
);
106 /*****************************************************************************
107 * IDirectDrawClipper::SetHwnd
109 * Assigns a hWnd to the clipper interface.
112 * Flags: Unsupported so far
113 * hWnd: The hWnd to set
117 * DDERR_INVALIDPARAMS if Flags was != 0
119 *****************************************************************************/
121 static HRESULT WINAPI
IDirectDrawClipperImpl_SetHwnd(
122 LPDIRECTDRAWCLIPPER iface
, DWORD dwFlags
, HWND hWnd
124 IDirectDrawClipperImpl
*This
= (IDirectDrawClipperImpl
*)iface
;
127 TRACE("iface %p, flags %#x, window %p.\n", iface
, dwFlags
, hWnd
);
129 EnterCriticalSection(&ddraw_cs
);
130 hr
= wined3d_clipper_set_window(This
->wineD3DClipper
, dwFlags
, hWnd
);
131 LeaveCriticalSection(&ddraw_cs
);
134 case WINED3DERR_INVALIDCALL
: return DDERR_INVALIDPARAMS
;
139 /*****************************************************************************
140 * IDirectDrawClipper::GetClipList
142 * Retrieve a copy of the clip list
145 * Rect: Rectangle to be used to clip the clip list or NULL for the
147 * ClipList: structure for the resulting copy of the clip list.
148 * If NULL, fills Size up to the number of bytes necessary to hold
150 * Size: Size of resulting clip list; size of the buffer at ClipList
151 * or, if ClipList is NULL, receives the required size of the buffer
155 * Either DD_OK or DDERR_*
156 ************************************************************************/
157 static HRESULT WINAPI
IDirectDrawClipperImpl_GetClipList(
158 LPDIRECTDRAWCLIPPER iface
, LPRECT lpRect
, LPRGNDATA lpClipList
,
161 IDirectDrawClipperImpl
*This
= (IDirectDrawClipperImpl
*)iface
;
164 TRACE("iface %p, rect %s, clip_list %p, clip_list_size %p.\n",
165 iface
, wine_dbgstr_rect(lpRect
), lpClipList
, lpdwSize
);
167 EnterCriticalSection(&ddraw_cs
);
168 hr
= wined3d_clipper_get_clip_list(This
->wineD3DClipper
, lpRect
, lpClipList
, lpdwSize
);
169 LeaveCriticalSection(&ddraw_cs
);
173 /*****************************************************************************
174 * IDirectDrawClipper::SetClipList
176 * Sets or deletes (if lprgn is NULL) the clip list
178 * This implementation is a stub and returns DD_OK always to make the app
182 * lprgn Pointer to a LRGNDATA structure or NULL
183 * dwFlags not used, must be 0
185 * Either DD_OK or DDERR_*
186 *****************************************************************************/
187 static HRESULT WINAPI
IDirectDrawClipperImpl_SetClipList(
188 LPDIRECTDRAWCLIPPER iface
,LPRGNDATA lprgn
,DWORD dwFlag
190 IDirectDrawClipperImpl
*This
= (IDirectDrawClipperImpl
*)iface
;
193 TRACE("iface %p, clip_list %p, flags %#x.\n", iface
, lprgn
, dwFlag
);
195 EnterCriticalSection(&ddraw_cs
);
196 hr
= wined3d_clipper_set_clip_list(This
->wineD3DClipper
, lprgn
, dwFlag
);
197 LeaveCriticalSection(&ddraw_cs
);
201 /*****************************************************************************
202 * IDirectDrawClipper::GetHwnd
204 * Returns the hwnd assigned with SetHwnd
207 * hWndPtr: Address to store the HWND at
210 * Always returns DD_OK;
211 *****************************************************************************/
212 static HRESULT WINAPI
IDirectDrawClipperImpl_GetHWnd(
213 LPDIRECTDRAWCLIPPER iface
, HWND
* hWndPtr
215 IDirectDrawClipperImpl
*This
= (IDirectDrawClipperImpl
*)iface
;
218 TRACE("iface %p, window %p.\n", iface
, hWndPtr
);
220 EnterCriticalSection(&ddraw_cs
);
221 hr
= wined3d_clipper_get_window(This
->wineD3DClipper
, hWndPtr
);
222 LeaveCriticalSection(&ddraw_cs
);
226 /*****************************************************************************
227 * IDirectDrawClipper::Initialize
229 * Initializes the interface. Well, there isn't much to do for this
230 * implementation, but it stores the DirectDraw Interface.
233 * DD: Pointer to a IDirectDraw interface
234 * Flags: Unsupported by now
238 * DDERR_ALREADYINITIALIZED if this interface isn't initialized already
239 *****************************************************************************/
240 static HRESULT WINAPI
IDirectDrawClipperImpl_Initialize(
241 LPDIRECTDRAWCLIPPER iface
, LPDIRECTDRAW lpDD
, DWORD dwFlags
243 IDirectDrawClipperImpl
*This
= (IDirectDrawClipperImpl
*)iface
;
245 TRACE("iface %p, ddraw %p, flags %#x.\n", iface
, lpDD
, dwFlags
);
247 EnterCriticalSection(&ddraw_cs
);
248 if (This
->initialized
)
250 LeaveCriticalSection(&ddraw_cs
);
251 return DDERR_ALREADYINITIALIZED
;
254 This
->initialized
= TRUE
;
256 LeaveCriticalSection(&ddraw_cs
);
260 /*****************************************************************************
261 * IDirectDrawClipper::IsClipListChanged
263 * This function is a stub
269 * DD_OK, because it's a stub
270 *****************************************************************************/
271 static HRESULT WINAPI
IDirectDrawClipperImpl_IsClipListChanged(
272 LPDIRECTDRAWCLIPPER iface
, BOOL
* lpbChanged
274 FIXME("iface %p, changed %p stub!\n", iface
, lpbChanged
);
276 /* XXX What is safest? */
282 /*****************************************************************************
284 *****************************************************************************/
285 static const struct IDirectDrawClipperVtbl ddraw_clipper_vtbl
=
287 IDirectDrawClipperImpl_QueryInterface
,
288 IDirectDrawClipperImpl_AddRef
,
289 IDirectDrawClipperImpl_Release
,
290 IDirectDrawClipperImpl_GetClipList
,
291 IDirectDrawClipperImpl_GetHWnd
,
292 IDirectDrawClipperImpl_Initialize
,
293 IDirectDrawClipperImpl_IsClipListChanged
,
294 IDirectDrawClipperImpl_SetClipList
,
295 IDirectDrawClipperImpl_SetHwnd
298 HRESULT
ddraw_clipper_init(IDirectDrawClipperImpl
*clipper
)
300 clipper
->lpVtbl
= &ddraw_clipper_vtbl
;
302 clipper
->wineD3DClipper
= wined3d_clipper_create();
303 if (!clipper
->wineD3DClipper
)
305 WARN("Failed to create wined3d clipper.\n");
306 return E_OUTOFMEMORY
;