1 /* IWineD3DClipper 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
27 #include "wined3d_private.h"
29 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
31 ULONG CDECL wined3d_clipper_incref(struct wined3d_clipper *clipper)
33 ULONG refcount = InterlockedIncrement(&clipper->ref);
35 TRACE("%p increasing refcount to %u.\n", clipper, refcount);
40 ULONG CDECL wined3d_clipper_decref(struct wined3d_clipper *clipper)
42 ULONG refcount = InterlockedDecrement(&clipper->ref);
44 TRACE("%p decreasing refcount to %u.\n", clipper, refcount);
47 HeapFree(GetProcessHeap(), 0, clipper);
52 HRESULT CDECL wined3d_clipper_set_window(struct wined3d_clipper *clipper, DWORD flags, HWND window)
54 TRACE("clipper %p, flags %#x, window %p.\n", clipper, flags, window);
58 FIXME("flags %#x, not supported.\n", flags);
59 return WINED3DERR_INVALIDCALL;
62 clipper->hWnd = window;
67 HRESULT CDECL wined3d_clipper_get_clip_list(const struct wined3d_clipper *clipper, const RECT *rect,
68 RGNDATA *clip_list, DWORD *clip_list_size)
70 TRACE("clipper %p, rect %s, clip_list %p, clip_list_size %p.\n",
71 clipper, wine_dbgstr_rect(rect), clip_list, clip_list_size);
75 HDC hDC = GetDCEx(clipper->hWnd, NULL, DCX_WINDOW);
78 HRGN hRgn = CreateRectRgn(0,0,0,0);
79 if (GetRandomRgn(hDC, hRgn, SYSRGN))
81 if (GetVersion() & 0x80000000)
83 /* map region to screen coordinates */
85 GetDCOrgEx(hDC, &org);
86 OffsetRgn(hRgn, org.x, org.y);
90 HRGN hRgnClip = CreateRectRgn(rect->left, rect->top,
91 rect->right, rect->bottom);
92 CombineRgn(hRgn, hRgn, hRgnClip, RGN_AND);
93 DeleteObject(hRgnClip);
95 *clip_list_size = GetRegionData(hRgn, *clip_list_size, clip_list);
98 ReleaseDC(clipper->hWnd, hDC);
104 static unsigned int once;
107 FIXME("clipper %p, rect %s, clip_list %p, clip_list_size %p stub!\n",
108 clipper, wine_dbgstr_rect(rect), clip_list, clip_list_size);
113 return WINEDDERR_NOCLIPLIST;
117 HRESULT CDECL wined3d_clipper_set_clip_list(struct wined3d_clipper *clipper, const RGNDATA *region, DWORD flags)
119 static unsigned int once;
121 if (!once++ || !region)
122 FIXME("clipper %p, region %p, flags %#x stub!\n", clipper, region, flags);
127 HRESULT CDECL wined3d_clipper_get_window(const struct wined3d_clipper *clipper, HWND *window)
129 TRACE("clipper %p, window %p.\n", clipper, window);
131 *window = clipper->hWnd;
136 HRESULT CDECL wined3d_clipper_is_clip_list_changed(const struct wined3d_clipper *clipper, BOOL *changed)
138 FIXME("clipper %p, changed %p stub!\n", clipper, changed);
140 /* XXX What is safest? */
146 struct wined3d_clipper * CDECL wined3d_clipper_create(void)
148 struct wined3d_clipper *clipper;
152 clipper = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*clipper));
155 ERR("Out of memory when trying to allocate a WineD3D Clipper\n");
159 wined3d_clipper_incref(clipper);