Changed Adam Sacarny's email, and -debugmsg to --debugmsg.
[wine/gsoc_dplay.git] / dlls / ddraw / d3dviewport.c
blob8309bc3328f692da8c3de64c4478321981395a2a
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 TRACE("(%p/%p)->() incrementing from %lu.\n", This, iface, This->ref);
130 return ++(This->ref);
133 ULONG WINAPI
134 Main_IDirect3DViewportImpl_3_2_1_Release(LPDIRECT3DVIEWPORT3 iface)
136 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
137 TRACE("(%p/%p)->() decrementing from %lu.\n", This, iface, This->ref);
138 if (!--(This->ref)) {
139 HeapFree(GetProcessHeap(), 0, This);
140 return 0;
142 return This->ref;
146 HRESULT WINAPI
147 Main_IDirect3DViewportImpl_3_2_1_Initialize(LPDIRECT3DVIEWPORT3 iface,
148 LPDIRECT3D lpDirect3D)
150 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
151 TRACE("(%p/%p)->(%p) no-op...\n", This, iface, lpDirect3D);
152 return DD_OK;
155 HRESULT WINAPI
156 Main_IDirect3DViewportImpl_3_2_1_GetViewport(LPDIRECT3DVIEWPORT3 iface,
157 LPD3DVIEWPORT lpData)
159 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
160 DWORD dwSize;
161 TRACE("(%p/%p)->(%p)\n", This, iface, lpData);
162 if (This->use_vp2 != 0) {
163 ERR(" Requesting to get a D3DVIEWPORT struct where a D3DVIEWPORT2 was set !\n");
164 return DDERR_INVALIDPARAMS;
166 dwSize = lpData->dwSize;
167 memset(lpData, 0, dwSize);
168 memcpy(lpData, &(This->viewports.vp1), dwSize);
170 if (TRACE_ON(ddraw)) {
171 TRACE(" returning D3DVIEWPORT :\n");
172 _dump_D3DVIEWPORT(lpData);
175 return DD_OK;
178 HRESULT WINAPI
179 Main_IDirect3DViewportImpl_3_2_1_SetViewport(LPDIRECT3DVIEWPORT3 iface,
180 LPD3DVIEWPORT lpData)
182 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
183 LPDIRECT3DVIEWPORT3 current_viewport;
184 TRACE("(%p/%p)->(%p)\n", This, iface, lpData);
186 if (TRACE_ON(ddraw)) {
187 TRACE(" getting D3DVIEWPORT :\n");
188 _dump_D3DVIEWPORT(lpData);
191 This->use_vp2 = 0;
192 memset(&(This->viewports.vp1), 0, sizeof(This->viewports.vp1));
193 memcpy(&(This->viewports.vp1), lpData, lpData->dwSize);
195 /* Tests on two games shows that these values are never used properly so overide
196 them with proper ones :-)
198 This->viewports.vp1.dvMinZ = 0.0;
199 This->viewports.vp1.dvMaxZ = 1.0;
201 if (This->active_device) {
202 IDirect3DDevice3_GetCurrentViewport(ICOM_INTERFACE(This->active_device, IDirect3DDevice3), &current_viewport);
203 if (ICOM_OBJECT(IDirect3DViewportImpl, IDirect3DViewport3, current_viewport) == This)
204 This->activate(This);
205 IDirect3DViewport3_Release(current_viewport);
208 return DD_OK;
211 HRESULT WINAPI
212 Main_IDirect3DViewportImpl_3_2_1_TransformVertices(LPDIRECT3DVIEWPORT3 iface,
213 DWORD dwVertexCount,
214 LPD3DTRANSFORMDATA lpData,
215 DWORD dwFlags,
216 LPDWORD lpOffScreen)
218 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
219 FIXME("(%p/%p)->(%08lx,%p,%08lx,%p): stub!\n", This, iface, dwVertexCount, lpData, dwFlags, lpOffScreen);
220 return DD_OK;
223 HRESULT WINAPI
224 Main_IDirect3DViewportImpl_3_2_1_LightElements(LPDIRECT3DVIEWPORT3 iface,
225 DWORD dwElementCount,
226 LPD3DLIGHTDATA lpData)
228 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
229 FIXME("(%p/%p)->(%08lx,%p): stub!\n", This, iface, dwElementCount, lpData);
230 return DD_OK;
233 HRESULT WINAPI
234 Main_IDirect3DViewportImpl_3_2_1_SetBackground(LPDIRECT3DVIEWPORT3 iface,
235 D3DMATERIALHANDLE hMat)
237 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
238 TRACE("(%p/%p)->(%08lx)\n", This, iface, (DWORD) hMat);
240 This->background = (IDirect3DMaterialImpl *) hMat;
241 TRACE(" setting background color : %f %f %f %f\n",
242 This->background->mat.u.diffuse.u1.r,
243 This->background->mat.u.diffuse.u2.g,
244 This->background->mat.u.diffuse.u3.b,
245 This->background->mat.u.diffuse.u4.a);
247 return DD_OK;
250 HRESULT WINAPI
251 Main_IDirect3DViewportImpl_3_2_1_GetBackground(LPDIRECT3DVIEWPORT3 iface,
252 LPD3DMATERIALHANDLE lphMat,
253 LPBOOL lpValid)
255 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
256 FIXME("(%p/%p)->(%p,%p): stub!\n", This, iface, lphMat, lpValid);
257 return DD_OK;
260 HRESULT WINAPI
261 Main_IDirect3DViewportImpl_3_2_1_SetBackgroundDepth(LPDIRECT3DVIEWPORT3 iface,
262 LPDIRECTDRAWSURFACE lpDDSurface)
264 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
265 FIXME("(%p/%p)->(%p): stub!\n", This, iface, lpDDSurface);
266 return DD_OK;
269 HRESULT WINAPI
270 Main_IDirect3DViewportImpl_3_2_1_GetBackgroundDepth(LPDIRECT3DVIEWPORT3 iface,
271 LPDIRECTDRAWSURFACE* lplpDDSurface,
272 LPBOOL lpValid)
274 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
275 FIXME("(%p/%p)->(%p,%p): stub!\n", This, iface, lplpDDSurface, lpValid);
276 return DD_OK;
279 HRESULT WINAPI
280 Main_IDirect3DViewportImpl_3_2_1_Clear(LPDIRECT3DVIEWPORT3 iface,
281 DWORD dwCount,
282 LPD3DRECT lpRects,
283 DWORD dwFlags)
285 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
286 DWORD color = 0x00000000;
288 TRACE("(%p/%p)->(%08lx,%p,%08lx)\n", This, iface, dwCount, lpRects, dwFlags);
289 if (This->active_device == NULL) {
290 ERR(" Trying to clear a viewport not attached to a device !\n");
291 return D3DERR_VIEWPORTHASNODEVICE;
293 if (dwFlags & D3DCLEAR_TARGET) {
294 if (This->background == NULL) {
295 ERR(" Trying to clear the color buffer without background material !\n");
296 } else {
297 color =
298 ((int) ((This->background->mat.u.diffuse.u1.r) * 255) << 16) |
299 ((int) ((This->background->mat.u.diffuse.u2.g) * 255) << 8) |
300 ((int) ((This->background->mat.u.diffuse.u3.b) * 255) << 0) |
301 ((int) ((This->background->mat.u.diffuse.u4.a) * 255) << 24);
304 return This->active_device->clear(This->active_device, dwCount, lpRects,
305 dwFlags & (D3DCLEAR_ZBUFFER | D3DCLEAR_TARGET),
306 color, 1.0, 0x00000000);
309 HRESULT WINAPI
310 Main_IDirect3DViewportImpl_3_2_1_AddLight(LPDIRECT3DVIEWPORT3 iface,
311 LPDIRECT3DLIGHT lpDirect3DLight)
313 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
314 IDirect3DLightImpl *lpDirect3DLightImpl = ICOM_OBJECT(IDirect3DLightImpl, IDirect3DLight, lpDirect3DLight);
315 DWORD i = 0;
316 DWORD map = This->map_lights;
318 TRACE("(%p/%p)->(%p)\n", This, iface, lpDirect3DLight);
320 if (This->num_lights >= 8)
321 return DDERR_INVALIDPARAMS;
323 /* Find a light number and update both light and viewports objects accordingly */
324 while(map&1) {
325 map>>=1;
326 i++;
328 lpDirect3DLightImpl->dwLightIndex = i;
329 This->num_lights++;
330 This->map_lights |= 1<<i;
332 /* Add the light in the 'linked' chain */
333 lpDirect3DLightImpl->next = This->lights;
334 This->lights = lpDirect3DLightImpl;
336 /* Attach the light to the viewport */
337 lpDirect3DLightImpl->active_viewport = This;
339 /* If active, activate the light */
340 if (This->active_device != NULL) {
341 lpDirect3DLightImpl->activate(lpDirect3DLightImpl);
344 return DD_OK;
347 HRESULT WINAPI
348 Main_IDirect3DViewportImpl_3_2_1_DeleteLight(LPDIRECT3DVIEWPORT3 iface,
349 LPDIRECT3DLIGHT lpDirect3DLight)
351 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
352 IDirect3DLightImpl *lpDirect3DLightImpl = ICOM_OBJECT(IDirect3DLightImpl, IDirect3DLight, lpDirect3DLight);
353 IDirect3DLightImpl *cur_light, *prev_light = NULL;
355 TRACE("(%p/%p)->(%p)\n", This, iface, lpDirect3DLight);
356 cur_light = This->lights;
357 while (cur_light != NULL) {
358 if (cur_light == lpDirect3DLightImpl) {
359 lpDirect3DLightImpl->desactivate(lpDirect3DLightImpl);
360 if (prev_light == NULL) This->lights = cur_light->next;
361 else prev_light->next = cur_light->next;
362 /* Detach the light to the viewport */
363 cur_light->active_viewport = NULL;
364 This->num_lights--;
365 This->map_lights &= ~(1<<lpDirect3DLightImpl->dwLightIndex);
366 return DD_OK;
368 prev_light = cur_light;
369 cur_light = cur_light->next;
371 return DDERR_INVALIDPARAMS;
374 HRESULT WINAPI
375 Main_IDirect3DViewportImpl_3_2_1_NextLight(LPDIRECT3DVIEWPORT3 iface,
376 LPDIRECT3DLIGHT lpDirect3DLight,
377 LPDIRECT3DLIGHT* lplpDirect3DLight,
378 DWORD dwFlags)
380 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
381 FIXME("(%p/%p)->(%p,%p,%08lx): stub!\n", This, iface, lpDirect3DLight, lplpDirect3DLight, dwFlags);
382 return DD_OK;
385 HRESULT WINAPI
386 Main_IDirect3DViewportImpl_3_2_GetViewport2(LPDIRECT3DVIEWPORT3 iface,
387 LPD3DVIEWPORT2 lpData)
389 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
390 DWORD dwSize;
391 TRACE("(%p/%p)->(%p)\n", This, iface, lpData);
392 if (This->use_vp2 != 1) {
393 ERR(" Requesting to get a D3DVIEWPORT2 struct where a D3DVIEWPORT was set !\n");
394 return DDERR_INVALIDPARAMS;
396 dwSize = lpData->dwSize;
397 memset(lpData, 0, dwSize);
398 memcpy(lpData, &(This->viewports.vp2), dwSize);
400 if (TRACE_ON(ddraw)) {
401 TRACE(" returning D3DVIEWPORT2 :\n");
402 _dump_D3DVIEWPORT2(lpData);
405 return DD_OK;
408 HRESULT WINAPI
409 Main_IDirect3DViewportImpl_3_2_SetViewport2(LPDIRECT3DVIEWPORT3 iface,
410 LPD3DVIEWPORT2 lpData)
412 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
413 LPDIRECT3DVIEWPORT3 current_viewport;
414 TRACE("(%p/%p)->(%p)\n", This, iface, lpData);
416 if (TRACE_ON(ddraw)) {
417 TRACE(" getting D3DVIEWPORT2 :\n");
418 _dump_D3DVIEWPORT2(lpData);
421 This->use_vp2 = 1;
422 memset(&(This->viewports.vp2), 0, sizeof(This->viewports.vp2));
423 memcpy(&(This->viewports.vp2), lpData, lpData->dwSize);
425 if (This->active_device) {
426 IDirect3DDevice3_GetCurrentViewport(ICOM_INTERFACE(This->active_device, IDirect3DDevice3), &current_viewport);
427 if (ICOM_OBJECT(IDirect3DViewportImpl, IDirect3DViewport3, current_viewport) == This)
428 This->activate(This);
429 IDirect3DViewport3_Release(current_viewport);
432 return DD_OK;
435 HRESULT WINAPI
436 Main_IDirect3DViewportImpl_3_SetBackgroundDepth2(LPDIRECT3DVIEWPORT3 iface,
437 LPDIRECTDRAWSURFACE4 lpDDS)
439 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
440 FIXME("(%p/%p)->(%p): stub!\n", This, iface, lpDDS);
441 return DD_OK;
444 HRESULT WINAPI
445 Main_IDirect3DViewportImpl_3_GetBackgroundDepth2(LPDIRECT3DVIEWPORT3 iface,
446 LPDIRECTDRAWSURFACE4* lplpDDS,
447 LPBOOL lpValid)
449 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
450 FIXME("(%p/%p)->(%p,%p): stub!\n", This, iface, lplpDDS, lpValid);
451 return DD_OK;
454 HRESULT WINAPI
455 Main_IDirect3DViewportImpl_3_Clear2(LPDIRECT3DVIEWPORT3 iface,
456 DWORD dwCount,
457 LPD3DRECT lpRects,
458 DWORD dwFlags,
459 DWORD dwColor,
460 D3DVALUE dvZ,
461 DWORD dwStencil)
463 ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
464 TRACE("(%p/%p)->(%08lx,%p,%08lx,%08lx,%f,%08lx)\n", This, iface, dwCount, lpRects, dwFlags, dwColor, dvZ, dwStencil);
465 if (This->active_device == NULL) {
466 ERR(" Trying to clear a viewport not attached to a device !\n");
467 return D3DERR_VIEWPORTHASNODEVICE;
469 return This->active_device->clear(This->active_device, dwCount, lpRects, dwFlags, dwColor, dvZ, dwStencil);
472 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
473 # define XCAST(fun) (typeof(VTABLE_IDirect3DViewport3.fun))
474 #else
475 # define XCAST(fun) (void*)
476 #endif
478 ICOM_VTABLE(IDirect3DViewport3) VTABLE_IDirect3DViewport3 =
480 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
481 XCAST(QueryInterface) Main_IDirect3DViewportImpl_3_2_1_QueryInterface,
482 XCAST(AddRef) Main_IDirect3DViewportImpl_3_2_1_AddRef,
483 XCAST(Release) Main_IDirect3DViewportImpl_3_2_1_Release,
484 XCAST(Initialize) Main_IDirect3DViewportImpl_3_2_1_Initialize,
485 XCAST(GetViewport) Main_IDirect3DViewportImpl_3_2_1_GetViewport,
486 XCAST(SetViewport) Main_IDirect3DViewportImpl_3_2_1_SetViewport,
487 XCAST(TransformVertices) Main_IDirect3DViewportImpl_3_2_1_TransformVertices,
488 XCAST(LightElements) Main_IDirect3DViewportImpl_3_2_1_LightElements,
489 XCAST(SetBackground) Main_IDirect3DViewportImpl_3_2_1_SetBackground,
490 XCAST(GetBackground) Main_IDirect3DViewportImpl_3_2_1_GetBackground,
491 XCAST(SetBackgroundDepth) Main_IDirect3DViewportImpl_3_2_1_SetBackgroundDepth,
492 XCAST(GetBackgroundDepth) Main_IDirect3DViewportImpl_3_2_1_GetBackgroundDepth,
493 XCAST(Clear) Main_IDirect3DViewportImpl_3_2_1_Clear,
494 XCAST(AddLight) Main_IDirect3DViewportImpl_3_2_1_AddLight,
495 XCAST(DeleteLight) Main_IDirect3DViewportImpl_3_2_1_DeleteLight,
496 XCAST(NextLight) Main_IDirect3DViewportImpl_3_2_1_NextLight,
497 XCAST(GetViewport2) Main_IDirect3DViewportImpl_3_2_GetViewport2,
498 XCAST(SetViewport2) Main_IDirect3DViewportImpl_3_2_SetViewport2,
499 XCAST(SetBackgroundDepth2) Main_IDirect3DViewportImpl_3_SetBackgroundDepth2,
500 XCAST(GetBackgroundDepth2) Main_IDirect3DViewportImpl_3_GetBackgroundDepth2,
501 XCAST(Clear2) Main_IDirect3DViewportImpl_3_Clear2,
504 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
505 #undef XCAST
506 #endif
511 HRESULT d3dviewport_create(IDirect3DViewportImpl **obj, IDirectDrawImpl *d3d)
513 IDirect3DViewportImpl *object;
515 object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirect3DViewportImpl));
516 if (object == NULL) return DDERR_OUTOFMEMORY;
518 object->ref = 1;
519 object->d3d = d3d;
520 object->activate = activate;
521 object->use_vp2 = 0xFF;
522 object->next = NULL;
523 object->lights = NULL;
524 object->num_lights = 0;
525 object->map_lights = 0;
527 ICOM_INIT_INTERFACE(object, IDirect3DViewport3, VTABLE_IDirect3DViewport3);
529 *obj = object;
531 TRACE(" creating implementation at %p.\n", *obj);
533 return D3D_OK;