Include new tests.
[wine/multimedia.git] / dlls / ddraw / d3dviewport.c
blobfd04ef2fca9a24f8d6e10d64f74cde88e0580028
1 /* Direct3D Viewport
2 * Copyright (c) 1998 Lionel ULMER
4 * This file contains the implementation of Direct3DViewport2.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include "config.h"
23 #include <stdarg.h>
25 #define NONAMELESSUNION
26 #define NONAMELESSSTRUCT
27 #include "windef.h"
28 #include "winbase.h"
29 #include "winerror.h"
30 #include "objbase.h"
31 #include "wingdi.h"
32 #include "ddraw.h"
33 #include "d3d.h"
34 #include "wine/debug.h"
36 #include "d3d_private.h"
38 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
40 static void activate(IDirect3DViewportImpl* This) {
41 IDirect3DLightImpl* light;
42 D3DVIEWPORT7 vp;
44 /* Activate all the lights associated with this context */
45 light = This->lights;
47 while (light != NULL) {
48 light->activate(light);
49 light = light->next;
52 /* And copy the values in the structure used by the device */
53 if (This->use_vp2) {
54 vp.dwX = This->viewports.vp2.dwX;
55 vp.dwY = This->viewports.vp2.dwY;
56 vp.dwHeight = This->viewports.vp2.dwHeight;
57 vp.dwWidth = This->viewports.vp2.dwWidth;
58 vp.dvMinZ = This->viewports.vp2.dvMinZ;
59 vp.dvMaxZ = This->viewports.vp2.dvMaxZ;
60 } else {
61 vp.dwX = This->viewports.vp1.dwX;
62 vp.dwY = This->viewports.vp1.dwY;
63 vp.dwHeight = This->viewports.vp1.dwHeight;
64 vp.dwWidth = This->viewports.vp1.dwWidth;
65 vp.dvMinZ = This->viewports.vp1.dvMinZ;
66 vp.dvMaxZ = This->viewports.vp1.dvMaxZ;
69 /* And also set the viewport */
70 IDirect3DDevice7_SetViewport(ICOM_INTERFACE(This->active_device, IDirect3DDevice7), &vp);
74 static void _dump_D3DVIEWPORT(D3DVIEWPORT *lpvp)
76 TRACE(" - dwSize = %ld dwX = %ld dwY = %ld\n",
77 lpvp->dwSize, lpvp->dwX, lpvp->dwY);
78 TRACE(" - dwWidth = %ld dwHeight = %ld\n",
79 lpvp->dwWidth, lpvp->dwHeight);
80 TRACE(" - dvScaleX = %f dvScaleY = %f\n",
81 lpvp->dvScaleX, lpvp->dvScaleY);
82 TRACE(" - dvMaxX = %f dvMaxY = %f\n",
83 lpvp->dvMaxX, lpvp->dvMaxY);
84 TRACE(" - dvMinZ = %f dvMaxZ = %f\n",
85 lpvp->dvMinZ, lpvp->dvMaxZ);
88 static void _dump_D3DVIEWPORT2(D3DVIEWPORT2 *lpvp)
90 TRACE(" - dwSize = %ld dwX = %ld dwY = %ld\n",
91 lpvp->dwSize, lpvp->dwX, lpvp->dwY);
92 TRACE(" - dwWidth = %ld dwHeight = %ld\n",
93 lpvp->dwWidth, lpvp->dwHeight);
94 TRACE(" - dvClipX = %f dvClipY = %f\n",
95 lpvp->dvClipX, lpvp->dvClipY);
96 TRACE(" - dvClipWidth = %f dvClipHeight = %f\n",
97 lpvp->dvClipWidth, lpvp->dvClipHeight);
98 TRACE(" - dvMinZ = %f dvMaxZ = %f\n",
99 lpvp->dvMinZ, lpvp->dvMaxZ);
102 HRESULT WINAPI
103 Main_IDirect3DViewportImpl_3_2_1_QueryInterface(LPDIRECT3DVIEWPORT3 iface,
104 REFIID riid,
105 LPVOID* obp)
107 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
108 TRACE("(%p/%p)->(%s,%p)\n", This, iface, debugstr_guid(riid), obp);
110 *obp = NULL;
112 if ( IsEqualGUID(&IID_IUnknown, riid) ||
113 IsEqualGUID(&IID_IDirect3DViewport, riid) ||
114 IsEqualGUID(&IID_IDirect3DViewport2, riid) ||
115 IsEqualGUID(&IID_IDirect3DViewport3, riid) ) {
116 IDirect3DViewport3_AddRef(ICOM_INTERFACE(This, IDirect3DViewport3));
117 *obp = ICOM_INTERFACE(This, IDirect3DViewport3);
118 TRACE(" Creating IDirect3DViewport1/2/3 interface %p\n", *obp);
119 return S_OK;
121 FIXME("(%p): interface for IID %s NOT found!\n", This, debugstr_guid(riid));
122 return OLE_E_ENUM_NOMORE;
125 ULONG WINAPI
126 Main_IDirect3DViewportImpl_3_2_1_AddRef(LPDIRECT3DVIEWPORT3 iface)
128 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
129 ULONG ref = InterlockedIncrement(&This->ref);
131 TRACE("(%p/%p)->() incrementing from %lu.\n", This, iface, ref - 1);
133 return ref;
136 ULONG WINAPI
137 Main_IDirect3DViewportImpl_3_2_1_Release(LPDIRECT3DVIEWPORT3 iface)
139 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
140 ULONG ref = InterlockedDecrement(&This->ref);
142 TRACE("(%p/%p)->() decrementing from %lu.\n", This, iface, ref + 1);
144 if (!ref) {
145 HeapFree(GetProcessHeap(), 0, This);
146 return 0;
148 return ref;
152 HRESULT WINAPI
153 Main_IDirect3DViewportImpl_3_2_1_Initialize(LPDIRECT3DVIEWPORT3 iface,
154 LPDIRECT3D lpDirect3D)
156 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
157 TRACE("(%p/%p)->(%p) no-op...\n", This, iface, lpDirect3D);
158 return DD_OK;
161 HRESULT WINAPI
162 Main_IDirect3DViewportImpl_3_2_1_GetViewport(LPDIRECT3DVIEWPORT3 iface,
163 LPD3DVIEWPORT lpData)
165 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
166 DWORD dwSize;
167 TRACE("(%p/%p)->(%p)\n", This, iface, lpData);
168 if (This->use_vp2 != 0) {
169 ERR(" Requesting to get a D3DVIEWPORT struct where a D3DVIEWPORT2 was set !\n");
170 return DDERR_INVALIDPARAMS;
172 dwSize = lpData->dwSize;
173 memset(lpData, 0, dwSize);
174 memcpy(lpData, &(This->viewports.vp1), dwSize);
176 if (TRACE_ON(ddraw)) {
177 TRACE(" returning D3DVIEWPORT :\n");
178 _dump_D3DVIEWPORT(lpData);
181 return DD_OK;
184 HRESULT WINAPI
185 Main_IDirect3DViewportImpl_3_2_1_SetViewport(LPDIRECT3DVIEWPORT3 iface,
186 LPD3DVIEWPORT lpData)
188 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
189 LPDIRECT3DVIEWPORT3 current_viewport;
190 TRACE("(%p/%p)->(%p)\n", This, iface, lpData);
192 if (TRACE_ON(ddraw)) {
193 TRACE(" getting D3DVIEWPORT :\n");
194 _dump_D3DVIEWPORT(lpData);
197 This->use_vp2 = 0;
198 memset(&(This->viewports.vp1), 0, sizeof(This->viewports.vp1));
199 memcpy(&(This->viewports.vp1), lpData, lpData->dwSize);
201 /* Tests on two games show that these values are never used properly so override
202 them with proper ones :-)
204 This->viewports.vp1.dvMinZ = 0.0;
205 This->viewports.vp1.dvMaxZ = 1.0;
207 if (This->active_device) {
208 IDirect3DDevice3_GetCurrentViewport(ICOM_INTERFACE(This->active_device, IDirect3DDevice3), &current_viewport);
209 if (ICOM_OBJECT(IDirect3DViewportImpl, IDirect3DViewport3, current_viewport) == This)
210 This->activate(This);
211 IDirect3DViewport3_Release(current_viewport);
214 return DD_OK;
217 HRESULT WINAPI
218 Main_IDirect3DViewportImpl_3_2_1_TransformVertices(LPDIRECT3DVIEWPORT3 iface,
219 DWORD dwVertexCount,
220 LPD3DTRANSFORMDATA lpData,
221 DWORD dwFlags,
222 LPDWORD lpOffScreen)
224 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
225 FIXME("(%p/%p)->(%08lx,%p,%08lx,%p): stub!\n", This, iface, dwVertexCount, lpData, dwFlags, lpOffScreen);
226 if (lpOffScreen)
227 *lpOffScreen = 0;
228 return DD_OK;
231 HRESULT WINAPI
232 Main_IDirect3DViewportImpl_3_2_1_LightElements(LPDIRECT3DVIEWPORT3 iface,
233 DWORD dwElementCount,
234 LPD3DLIGHTDATA lpData)
236 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
237 FIXME("(%p/%p)->(%08lx,%p): stub!\n", This, iface, dwElementCount, lpData);
238 return DD_OK;
241 HRESULT WINAPI
242 Main_IDirect3DViewportImpl_3_2_1_SetBackground(LPDIRECT3DVIEWPORT3 iface,
243 D3DMATERIALHANDLE hMat)
245 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
246 TRACE("(%p/%p)->(%08lx)\n", This, iface, (DWORD) hMat);
248 This->background = (IDirect3DMaterialImpl *) hMat;
249 TRACE(" setting background color : %f %f %f %f\n",
250 This->background->mat.u.diffuse.u1.r,
251 This->background->mat.u.diffuse.u2.g,
252 This->background->mat.u.diffuse.u3.b,
253 This->background->mat.u.diffuse.u4.a);
255 return DD_OK;
258 HRESULT WINAPI
259 Main_IDirect3DViewportImpl_3_2_1_GetBackground(LPDIRECT3DVIEWPORT3 iface,
260 LPD3DMATERIALHANDLE lphMat,
261 LPBOOL lpValid)
263 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
264 FIXME("(%p/%p)->(%p,%p): stub!\n", This, iface, lphMat, lpValid);
265 return DD_OK;
268 HRESULT WINAPI
269 Main_IDirect3DViewportImpl_3_2_1_SetBackgroundDepth(LPDIRECT3DVIEWPORT3 iface,
270 LPDIRECTDRAWSURFACE lpDDSurface)
272 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
273 FIXME("(%p/%p)->(%p): stub!\n", This, iface, lpDDSurface);
274 return DD_OK;
277 HRESULT WINAPI
278 Main_IDirect3DViewportImpl_3_2_1_GetBackgroundDepth(LPDIRECT3DVIEWPORT3 iface,
279 LPDIRECTDRAWSURFACE* lplpDDSurface,
280 LPBOOL lpValid)
282 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
283 FIXME("(%p/%p)->(%p,%p): stub!\n", This, iface, lplpDDSurface, lpValid);
284 return DD_OK;
287 HRESULT WINAPI
288 Main_IDirect3DViewportImpl_3_2_1_Clear(LPDIRECT3DVIEWPORT3 iface,
289 DWORD dwCount,
290 LPD3DRECT lpRects,
291 DWORD dwFlags)
293 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
294 DWORD color = 0x00000000;
296 TRACE("(%p/%p)->(%08lx,%p,%08lx)\n", This, iface, dwCount, lpRects, dwFlags);
297 if (This->active_device == NULL) {
298 ERR(" Trying to clear a viewport not attached to a device !\n");
299 return D3DERR_VIEWPORTHASNODEVICE;
301 if (dwFlags & D3DCLEAR_TARGET) {
302 if (This->background == NULL) {
303 ERR(" Trying to clear the color buffer without background material !\n");
304 } else {
305 color =
306 ((int) ((This->background->mat.u.diffuse.u1.r) * 255) << 16) |
307 ((int) ((This->background->mat.u.diffuse.u2.g) * 255) << 8) |
308 ((int) ((This->background->mat.u.diffuse.u3.b) * 255) << 0) |
309 ((int) ((This->background->mat.u.diffuse.u4.a) * 255) << 24);
312 return This->active_device->clear(This->active_device, dwCount, lpRects,
313 dwFlags & (D3DCLEAR_ZBUFFER | D3DCLEAR_TARGET),
314 color, 1.0, 0x00000000);
317 HRESULT WINAPI
318 Main_IDirect3DViewportImpl_3_2_1_AddLight(LPDIRECT3DVIEWPORT3 iface,
319 LPDIRECT3DLIGHT lpDirect3DLight)
321 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
322 IDirect3DLightImpl *lpDirect3DLightImpl = ICOM_OBJECT(IDirect3DLightImpl, IDirect3DLight, lpDirect3DLight);
323 DWORD i = 0;
324 DWORD map = This->map_lights;
326 TRACE("(%p/%p)->(%p)\n", This, iface, lpDirect3DLight);
328 if (This->num_lights >= 8)
329 return DDERR_INVALIDPARAMS;
331 /* Find a light number and update both light and viewports objects accordingly */
332 while(map&1) {
333 map>>=1;
334 i++;
336 lpDirect3DLightImpl->dwLightIndex = i;
337 This->num_lights++;
338 This->map_lights |= 1<<i;
340 /* Add the light in the 'linked' chain */
341 lpDirect3DLightImpl->next = This->lights;
342 This->lights = lpDirect3DLightImpl;
344 /* Attach the light to the viewport */
345 lpDirect3DLightImpl->active_viewport = This;
347 /* If active, activate the light */
348 if (This->active_device != NULL) {
349 lpDirect3DLightImpl->activate(lpDirect3DLightImpl);
352 return DD_OK;
355 HRESULT WINAPI
356 Main_IDirect3DViewportImpl_3_2_1_DeleteLight(LPDIRECT3DVIEWPORT3 iface,
357 LPDIRECT3DLIGHT lpDirect3DLight)
359 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
360 IDirect3DLightImpl *lpDirect3DLightImpl = ICOM_OBJECT(IDirect3DLightImpl, IDirect3DLight, lpDirect3DLight);
361 IDirect3DLightImpl *cur_light, *prev_light = NULL;
363 TRACE("(%p/%p)->(%p)\n", This, iface, lpDirect3DLight);
364 cur_light = This->lights;
365 while (cur_light != NULL) {
366 if (cur_light == lpDirect3DLightImpl) {
367 lpDirect3DLightImpl->desactivate(lpDirect3DLightImpl);
368 if (prev_light == NULL) This->lights = cur_light->next;
369 else prev_light->next = cur_light->next;
370 /* Detach the light to the viewport */
371 cur_light->active_viewport = NULL;
372 This->num_lights--;
373 This->map_lights &= ~(1<<lpDirect3DLightImpl->dwLightIndex);
374 return DD_OK;
376 prev_light = cur_light;
377 cur_light = cur_light->next;
379 return DDERR_INVALIDPARAMS;
382 HRESULT WINAPI
383 Main_IDirect3DViewportImpl_3_2_1_NextLight(LPDIRECT3DVIEWPORT3 iface,
384 LPDIRECT3DLIGHT lpDirect3DLight,
385 LPDIRECT3DLIGHT* lplpDirect3DLight,
386 DWORD dwFlags)
388 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
389 FIXME("(%p/%p)->(%p,%p,%08lx): stub!\n", This, iface, lpDirect3DLight, lplpDirect3DLight, dwFlags);
390 return DD_OK;
393 HRESULT WINAPI
394 Main_IDirect3DViewportImpl_3_2_GetViewport2(LPDIRECT3DVIEWPORT3 iface,
395 LPD3DVIEWPORT2 lpData)
397 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
398 DWORD dwSize;
399 TRACE("(%p/%p)->(%p)\n", This, iface, lpData);
400 if (This->use_vp2 != 1) {
401 ERR(" Requesting to get a D3DVIEWPORT2 struct where a D3DVIEWPORT was set !\n");
402 return DDERR_INVALIDPARAMS;
404 dwSize = lpData->dwSize;
405 memset(lpData, 0, dwSize);
406 memcpy(lpData, &(This->viewports.vp2), dwSize);
408 if (TRACE_ON(ddraw)) {
409 TRACE(" returning D3DVIEWPORT2 :\n");
410 _dump_D3DVIEWPORT2(lpData);
413 return DD_OK;
416 HRESULT WINAPI
417 Main_IDirect3DViewportImpl_3_2_SetViewport2(LPDIRECT3DVIEWPORT3 iface,
418 LPD3DVIEWPORT2 lpData)
420 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
421 LPDIRECT3DVIEWPORT3 current_viewport;
422 TRACE("(%p/%p)->(%p)\n", This, iface, lpData);
424 if (TRACE_ON(ddraw)) {
425 TRACE(" getting D3DVIEWPORT2 :\n");
426 _dump_D3DVIEWPORT2(lpData);
429 This->use_vp2 = 1;
430 memset(&(This->viewports.vp2), 0, sizeof(This->viewports.vp2));
431 memcpy(&(This->viewports.vp2), lpData, lpData->dwSize);
433 if (This->active_device) {
434 IDirect3DDevice3_GetCurrentViewport(ICOM_INTERFACE(This->active_device, IDirect3DDevice3), &current_viewport);
435 if (ICOM_OBJECT(IDirect3DViewportImpl, IDirect3DViewport3, current_viewport) == This)
436 This->activate(This);
437 IDirect3DViewport3_Release(current_viewport);
440 return DD_OK;
443 HRESULT WINAPI
444 Main_IDirect3DViewportImpl_3_SetBackgroundDepth2(LPDIRECT3DVIEWPORT3 iface,
445 LPDIRECTDRAWSURFACE4 lpDDS)
447 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
448 FIXME("(%p/%p)->(%p): stub!\n", This, iface, lpDDS);
449 return DD_OK;
452 HRESULT WINAPI
453 Main_IDirect3DViewportImpl_3_GetBackgroundDepth2(LPDIRECT3DVIEWPORT3 iface,
454 LPDIRECTDRAWSURFACE4* lplpDDS,
455 LPBOOL lpValid)
457 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
458 FIXME("(%p/%p)->(%p,%p): stub!\n", This, iface, lplpDDS, lpValid);
459 return DD_OK;
462 HRESULT WINAPI
463 Main_IDirect3DViewportImpl_3_Clear2(LPDIRECT3DVIEWPORT3 iface,
464 DWORD dwCount,
465 LPD3DRECT lpRects,
466 DWORD dwFlags,
467 DWORD dwColor,
468 D3DVALUE dvZ,
469 DWORD dwStencil)
471 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
472 TRACE("(%p/%p)->(%08lx,%p,%08lx,%08lx,%f,%08lx)\n", This, iface, dwCount, lpRects, dwFlags, dwColor, dvZ, dwStencil);
473 if (This->active_device == NULL) {
474 ERR(" Trying to clear a viewport not attached to a device !\n");
475 return D3DERR_VIEWPORTHASNODEVICE;
477 return This->active_device->clear(This->active_device, dwCount, lpRects, dwFlags, dwColor, dvZ, dwStencil);
480 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
481 # define XCAST(fun) (typeof(VTABLE_IDirect3DViewport3.fun))
482 #else
483 # define XCAST(fun) (void*)
484 #endif
486 IDirect3DViewport3Vtbl VTABLE_IDirect3DViewport3 =
488 XCAST(QueryInterface) Main_IDirect3DViewportImpl_3_2_1_QueryInterface,
489 XCAST(AddRef) Main_IDirect3DViewportImpl_3_2_1_AddRef,
490 XCAST(Release) Main_IDirect3DViewportImpl_3_2_1_Release,
491 XCAST(Initialize) Main_IDirect3DViewportImpl_3_2_1_Initialize,
492 XCAST(GetViewport) Main_IDirect3DViewportImpl_3_2_1_GetViewport,
493 XCAST(SetViewport) Main_IDirect3DViewportImpl_3_2_1_SetViewport,
494 XCAST(TransformVertices) Main_IDirect3DViewportImpl_3_2_1_TransformVertices,
495 XCAST(LightElements) Main_IDirect3DViewportImpl_3_2_1_LightElements,
496 XCAST(SetBackground) Main_IDirect3DViewportImpl_3_2_1_SetBackground,
497 XCAST(GetBackground) Main_IDirect3DViewportImpl_3_2_1_GetBackground,
498 XCAST(SetBackgroundDepth) Main_IDirect3DViewportImpl_3_2_1_SetBackgroundDepth,
499 XCAST(GetBackgroundDepth) Main_IDirect3DViewportImpl_3_2_1_GetBackgroundDepth,
500 XCAST(Clear) Main_IDirect3DViewportImpl_3_2_1_Clear,
501 XCAST(AddLight) Main_IDirect3DViewportImpl_3_2_1_AddLight,
502 XCAST(DeleteLight) Main_IDirect3DViewportImpl_3_2_1_DeleteLight,
503 XCAST(NextLight) Main_IDirect3DViewportImpl_3_2_1_NextLight,
504 XCAST(GetViewport2) Main_IDirect3DViewportImpl_3_2_GetViewport2,
505 XCAST(SetViewport2) Main_IDirect3DViewportImpl_3_2_SetViewport2,
506 XCAST(SetBackgroundDepth2) Main_IDirect3DViewportImpl_3_SetBackgroundDepth2,
507 XCAST(GetBackgroundDepth2) Main_IDirect3DViewportImpl_3_GetBackgroundDepth2,
508 XCAST(Clear2) Main_IDirect3DViewportImpl_3_Clear2,
511 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
512 #undef XCAST
513 #endif
518 HRESULT d3dviewport_create(IDirect3DViewportImpl **obj, IDirectDrawImpl *d3d)
520 IDirect3DViewportImpl *object;
522 object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirect3DViewportImpl));
523 if (object == NULL) return DDERR_OUTOFMEMORY;
525 object->ref = 1;
526 object->d3d = d3d;
527 object->activate = activate;
528 object->use_vp2 = 0xFF;
529 object->next = NULL;
530 object->lights = NULL;
531 object->num_lights = 0;
532 object->map_lights = 0;
534 ICOM_INIT_INTERFACE(object, IDirect3DViewport3, VTABLE_IDirect3DViewport3);
536 *obj = object;
538 TRACE(" creating implementation at %p.\n", *obj);
540 return D3D_OK;