| /* Direct3D Viewport | 
 |  * Copyright (c) 1998 Lionel ULMER | 
 |  * | 
 |  * This file contains the implementation of Direct3DViewport2. | 
 |  * | 
 |  * This library is free software; you can redistribute it and/or | 
 |  * modify it under the terms of the GNU Lesser General Public | 
 |  * License as published by the Free Software Foundation; either | 
 |  * version 2.1 of the License, or (at your option) any later version. | 
 |  * | 
 |  * This library is distributed in the hope that it will be useful, | 
 |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
 |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
 |  * Lesser General Public License for more details. | 
 |  * | 
 |  * You should have received a copy of the GNU Lesser General Public | 
 |  * License along with this library; if not, write to the Free Software | 
 |  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA | 
 |  */ | 
 |  | 
 | #include "config.h" | 
 |  | 
 | #include <stdarg.h> | 
 |  | 
 | #define NONAMELESSUNION | 
 | #define NONAMELESSSTRUCT | 
 | #include "windef.h" | 
 | #include "winbase.h" | 
 | #include "winerror.h" | 
 | #include "objbase.h" | 
 | #include "wingdi.h" | 
 | #include "ddraw.h" | 
 | #include "d3d.h" | 
 | #include "wine/debug.h" | 
 |  | 
 | #include "d3d_private.h" | 
 |  | 
 | WINE_DEFAULT_DEBUG_CHANNEL(ddraw); | 
 |  | 
 | static void activate(IDirect3DViewportImpl* This) { | 
 |     IDirect3DLightImpl* light; | 
 |     D3DVIEWPORT7 vp; | 
 |      | 
 |     /* Activate all the lights associated with this context */ | 
 |     light = This->lights; | 
 |  | 
 |     while (light != NULL) { | 
 |         light->activate(light); | 
 | 	light = light->next; | 
 |     } | 
 |  | 
 |     /* And copy the values in the structure used by the device */ | 
 |     if (This->use_vp2) { | 
 |         vp.dwX = This->viewports.vp2.dwX; | 
 | 	vp.dwY = This->viewports.vp2.dwY; | 
 | 	vp.dwHeight = This->viewports.vp2.dwHeight; | 
 | 	vp.dwWidth = This->viewports.vp2.dwWidth; | 
 | 	vp.dvMinZ = This->viewports.vp2.dvMinZ; | 
 | 	vp.dvMaxZ = This->viewports.vp2.dvMaxZ; | 
 |     } else { | 
 |         vp.dwX = This->viewports.vp1.dwX; | 
 | 	vp.dwY = This->viewports.vp1.dwY; | 
 | 	vp.dwHeight = This->viewports.vp1.dwHeight; | 
 | 	vp.dwWidth = This->viewports.vp1.dwWidth; | 
 | 	vp.dvMinZ = This->viewports.vp1.dvMinZ; | 
 | 	vp.dvMaxZ = This->viewports.vp1.dvMaxZ; | 
 |     } | 
 |      | 
 |     /* And also set the viewport */ | 
 |     IDirect3DDevice7_SetViewport(ICOM_INTERFACE(This->active_device, IDirect3DDevice7), &vp); | 
 | } | 
 |  | 
 |  | 
 | static void _dump_D3DVIEWPORT(D3DVIEWPORT *lpvp) | 
 | { | 
 |     TRACE("    - dwSize = %ld   dwX = %ld   dwY = %ld\n", | 
 | 	  lpvp->dwSize, lpvp->dwX, lpvp->dwY); | 
 |     TRACE("    - dwWidth = %ld   dwHeight = %ld\n", | 
 | 	  lpvp->dwWidth, lpvp->dwHeight); | 
 |     TRACE("    - dvScaleX = %f   dvScaleY = %f\n", | 
 | 	  lpvp->dvScaleX, lpvp->dvScaleY); | 
 |     TRACE("    - dvMaxX = %f   dvMaxY = %f\n", | 
 | 	  lpvp->dvMaxX, lpvp->dvMaxY); | 
 |     TRACE("    - dvMinZ = %f   dvMaxZ = %f\n", | 
 | 	  lpvp->dvMinZ, lpvp->dvMaxZ); | 
 | } | 
 |  | 
 | static void _dump_D3DVIEWPORT2(D3DVIEWPORT2 *lpvp) | 
 | { | 
 |     TRACE("    - dwSize = %ld   dwX = %ld   dwY = %ld\n", | 
 | 	  lpvp->dwSize, lpvp->dwX, lpvp->dwY); | 
 |     TRACE("    - dwWidth = %ld   dwHeight = %ld\n", | 
 | 	  lpvp->dwWidth, lpvp->dwHeight); | 
 |     TRACE("    - dvClipX = %f   dvClipY = %f\n", | 
 | 	  lpvp->dvClipX, lpvp->dvClipY); | 
 |     TRACE("    - dvClipWidth = %f   dvClipHeight = %f\n", | 
 | 	  lpvp->dvClipWidth, lpvp->dvClipHeight); | 
 |     TRACE("    - dvMinZ = %f   dvMaxZ = %f\n", | 
 | 	  lpvp->dvMinZ, lpvp->dvMaxZ); | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_1_QueryInterface(LPDIRECT3DVIEWPORT3 iface, | 
 |                                                 REFIID riid, | 
 |                                                 LPVOID* obp) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     TRACE("(%p/%p)->(%s,%p)\n", This, iface, debugstr_guid(riid), obp); | 
 |  | 
 |     *obp = NULL; | 
 |  | 
 |     if ( IsEqualGUID(&IID_IUnknown,  riid) || | 
 | 	 IsEqualGUID(&IID_IDirect3DViewport, riid) || | 
 | 	 IsEqualGUID(&IID_IDirect3DViewport2, riid) || | 
 | 	 IsEqualGUID(&IID_IDirect3DViewport3, riid) ) { | 
 |         IDirect3DViewport3_AddRef(ICOM_INTERFACE(This, IDirect3DViewport3)); | 
 |         *obp = ICOM_INTERFACE(This, IDirect3DViewport3); | 
 | 	TRACE("  Creating IDirect3DViewport1/2/3 interface %p\n", *obp); | 
 | 	return S_OK; | 
 |     } | 
 |     FIXME("(%p): interface for IID %s NOT found!\n", This, debugstr_guid(riid)); | 
 |     return OLE_E_ENUM_NOMORE; | 
 | } | 
 |  | 
 | ULONG WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_1_AddRef(LPDIRECT3DVIEWPORT3 iface) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     TRACE("(%p/%p)->() incrementing from %lu.\n", This, iface, This->ref); | 
 |     return ++(This->ref); | 
 | } | 
 |  | 
 | ULONG WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_1_Release(LPDIRECT3DVIEWPORT3 iface) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     TRACE("(%p/%p)->() decrementing from %lu.\n", This, iface, This->ref); | 
 |     if (!--(This->ref)) { | 
 |         HeapFree(GetProcessHeap(), 0, This); | 
 | 	return 0; | 
 |     } | 
 |     return This->ref; | 
 | } | 
 |  | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_1_Initialize(LPDIRECT3DVIEWPORT3 iface, | 
 |                                             LPDIRECT3D lpDirect3D) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     TRACE("(%p/%p)->(%p) no-op...\n", This, iface, lpDirect3D); | 
 |     return DD_OK; | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_1_GetViewport(LPDIRECT3DVIEWPORT3 iface, | 
 |                                              LPD3DVIEWPORT lpData) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     DWORD dwSize; | 
 |     TRACE("(%p/%p)->(%p)\n", This, iface, lpData); | 
 |     if (This->use_vp2 != 0) { | 
 |         ERR("  Requesting to get a D3DVIEWPORT struct where a D3DVIEWPORT2 was set !\n"); | 
 | 	return DDERR_INVALIDPARAMS; | 
 |     } | 
 |     dwSize = lpData->dwSize; | 
 |     memset(lpData, 0, dwSize); | 
 |     memcpy(lpData, &(This->viewports.vp1), dwSize); | 
 |  | 
 |     if (TRACE_ON(ddraw)) { | 
 |         TRACE("  returning D3DVIEWPORT :\n"); | 
 | 	_dump_D3DVIEWPORT(lpData); | 
 |     } | 
 |      | 
 |     return DD_OK; | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_1_SetViewport(LPDIRECT3DVIEWPORT3 iface, | 
 |                                              LPD3DVIEWPORT lpData) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     LPDIRECT3DVIEWPORT3 current_viewport; | 
 |     TRACE("(%p/%p)->(%p)\n", This, iface, lpData); | 
 |  | 
 |     if (TRACE_ON(ddraw)) { | 
 |         TRACE("  getting D3DVIEWPORT :\n"); | 
 | 	_dump_D3DVIEWPORT(lpData); | 
 |     } | 
 |  | 
 |     This->use_vp2 = 0; | 
 |     memset(&(This->viewports.vp1), 0, sizeof(This->viewports.vp1)); | 
 |     memcpy(&(This->viewports.vp1), lpData, lpData->dwSize); | 
 |  | 
 |     /* Tests on two games shows that these values are never used properly so overide | 
 |        them with proper ones :-) | 
 |     */ | 
 |     This->viewports.vp1.dvMinZ = 0.0; | 
 |     This->viewports.vp1.dvMaxZ = 1.0; | 
 |  | 
 |     if (This->active_device) { | 
 |       IDirect3DDevice3_GetCurrentViewport(ICOM_INTERFACE(This->active_device, IDirect3DDevice3), ¤t_viewport); | 
 |       if (ICOM_OBJECT(IDirect3DViewportImpl, IDirect3DViewport3, current_viewport) == This) | 
 |           This->activate(This); | 
 |       IDirect3DViewport3_Release(current_viewport); | 
 |     } | 
 |  | 
 |     return DD_OK; | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_1_TransformVertices(LPDIRECT3DVIEWPORT3 iface, | 
 |                                                    DWORD dwVertexCount, | 
 |                                                    LPD3DTRANSFORMDATA lpData, | 
 |                                                    DWORD dwFlags, | 
 |                                                    LPDWORD lpOffScreen) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     FIXME("(%p/%p)->(%08lx,%p,%08lx,%p): stub!\n", This, iface, dwVertexCount, lpData, dwFlags, lpOffScreen); | 
 |     return DD_OK; | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_1_LightElements(LPDIRECT3DVIEWPORT3 iface, | 
 |                                                DWORD dwElementCount, | 
 |                                                LPD3DLIGHTDATA lpData) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     FIXME("(%p/%p)->(%08lx,%p): stub!\n", This, iface, dwElementCount, lpData); | 
 |     return DD_OK; | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_1_SetBackground(LPDIRECT3DVIEWPORT3 iface, | 
 |                                                D3DMATERIALHANDLE hMat) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     TRACE("(%p/%p)->(%08lx)\n", This, iface, (DWORD) hMat); | 
 |      | 
 |     This->background = (IDirect3DMaterialImpl *) hMat; | 
 |     TRACE(" setting background color : %f %f %f %f\n", | 
 | 	  This->background->mat.u.diffuse.u1.r, | 
 | 	  This->background->mat.u.diffuse.u2.g, | 
 | 	  This->background->mat.u.diffuse.u3.b, | 
 | 	  This->background->mat.u.diffuse.u4.a); | 
 |  | 
 |     return DD_OK; | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_1_GetBackground(LPDIRECT3DVIEWPORT3 iface, | 
 |                                                LPD3DMATERIALHANDLE lphMat, | 
 |                                                LPBOOL lpValid) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     FIXME("(%p/%p)->(%p,%p): stub!\n", This, iface, lphMat, lpValid); | 
 |     return DD_OK; | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_1_SetBackgroundDepth(LPDIRECT3DVIEWPORT3 iface, | 
 |                                                     LPDIRECTDRAWSURFACE lpDDSurface) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     FIXME("(%p/%p)->(%p): stub!\n", This, iface, lpDDSurface); | 
 |     return DD_OK; | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_1_GetBackgroundDepth(LPDIRECT3DVIEWPORT3 iface, | 
 |                                                     LPDIRECTDRAWSURFACE* lplpDDSurface, | 
 |                                                     LPBOOL lpValid) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     FIXME("(%p/%p)->(%p,%p): stub!\n", This, iface, lplpDDSurface, lpValid); | 
 |     return DD_OK; | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_1_Clear(LPDIRECT3DVIEWPORT3 iface, | 
 |                                        DWORD dwCount, | 
 |                                        LPD3DRECT lpRects, | 
 |                                        DWORD dwFlags) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     DWORD color = 0x00000000; | 
 |      | 
 |     TRACE("(%p/%p)->(%08lx,%p,%08lx)\n", This, iface, dwCount, lpRects, dwFlags); | 
 |     if (This->active_device == NULL) { | 
 |         ERR(" Trying to clear a viewport not attached to a device !\n"); | 
 | 	return D3DERR_VIEWPORTHASNODEVICE; | 
 |     } | 
 |     if (dwFlags & D3DCLEAR_TARGET) { | 
 |         if (This->background == NULL) { | 
 | 	    ERR(" Trying to clear the color buffer without background material !\n"); | 
 | 	} else { | 
 | 	    color =  | 
 | 	      ((int) ((This->background->mat.u.diffuse.u1.r) * 255) << 16) | | 
 | 	      ((int) ((This->background->mat.u.diffuse.u2.g) * 255) <<  8) | | 
 | 	      ((int) ((This->background->mat.u.diffuse.u3.b) * 255) <<  0) | | 
 | 	      ((int) ((This->background->mat.u.diffuse.u4.a) * 255) << 24); | 
 | 	} | 
 |     } | 
 |     return This->active_device->clear(This->active_device, dwCount, lpRects,  | 
 | 				      dwFlags & (D3DCLEAR_ZBUFFER | D3DCLEAR_TARGET), | 
 | 				      color, 1.0, 0x00000000); | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_1_AddLight(LPDIRECT3DVIEWPORT3 iface, | 
 |                                           LPDIRECT3DLIGHT lpDirect3DLight) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     IDirect3DLightImpl *lpDirect3DLightImpl = ICOM_OBJECT(IDirect3DLightImpl, IDirect3DLight, lpDirect3DLight); | 
 |     DWORD i = 0; | 
 |     DWORD map = This->map_lights; | 
 |      | 
 |     TRACE("(%p/%p)->(%p)\n", This, iface, lpDirect3DLight); | 
 |      | 
 |     if (This->num_lights >= 8) | 
 |         return DDERR_INVALIDPARAMS; | 
 |  | 
 |     /* Find a light number and update both light and viewports objects accordingly */ | 
 |     while(map&1) { | 
 |         map>>=1; | 
 | 	i++; | 
 |     } | 
 |     lpDirect3DLightImpl->dwLightIndex = i; | 
 |     This->num_lights++; | 
 |     This->map_lights |= 1<<i; | 
 |  | 
 |     /* Add the light in the 'linked' chain */ | 
 |     lpDirect3DLightImpl->next = This->lights; | 
 |     This->lights = lpDirect3DLightImpl; | 
 |  | 
 |     /* Attach the light to the viewport */ | 
 |     lpDirect3DLightImpl->active_viewport = This; | 
 |      | 
 |     /* If active, activate the light */ | 
 |     if (This->active_device != NULL) { | 
 |         lpDirect3DLightImpl->activate(lpDirect3DLightImpl); | 
 |     } | 
 |      | 
 |     return DD_OK; | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_1_DeleteLight(LPDIRECT3DVIEWPORT3 iface, | 
 |                                              LPDIRECT3DLIGHT lpDirect3DLight) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     IDirect3DLightImpl *lpDirect3DLightImpl = ICOM_OBJECT(IDirect3DLightImpl, IDirect3DLight, lpDirect3DLight); | 
 |     IDirect3DLightImpl *cur_light, *prev_light = NULL; | 
 |      | 
 |     TRACE("(%p/%p)->(%p)\n", This, iface, lpDirect3DLight); | 
 |     cur_light = This->lights; | 
 |     while (cur_light != NULL) { | 
 |         if (cur_light == lpDirect3DLightImpl) { | 
 | 	    lpDirect3DLightImpl->desactivate(lpDirect3DLightImpl); | 
 | 	    if (prev_light == NULL) This->lights = cur_light->next; | 
 | 	    else prev_light->next = cur_light->next; | 
 | 	    /* Detach the light to the viewport */ | 
 | 	    cur_light->active_viewport = NULL; | 
 | 	    This->num_lights--; | 
 | 	    This->map_lights &= ~(1<<lpDirect3DLightImpl->dwLightIndex); | 
 | 	    return DD_OK; | 
 | 	} | 
 | 	prev_light = cur_light; | 
 | 	cur_light = cur_light->next; | 
 |     } | 
 |     return DDERR_INVALIDPARAMS; | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_1_NextLight(LPDIRECT3DVIEWPORT3 iface, | 
 |                                            LPDIRECT3DLIGHT lpDirect3DLight, | 
 |                                            LPDIRECT3DLIGHT* lplpDirect3DLight, | 
 |                                            DWORD dwFlags) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     FIXME("(%p/%p)->(%p,%p,%08lx): stub!\n", This, iface, lpDirect3DLight, lplpDirect3DLight, dwFlags); | 
 |     return DD_OK; | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_GetViewport2(LPDIRECT3DVIEWPORT3 iface, | 
 |                                             LPD3DVIEWPORT2 lpData) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     DWORD dwSize; | 
 |     TRACE("(%p/%p)->(%p)\n", This, iface, lpData); | 
 |     if (This->use_vp2 != 1) { | 
 |         ERR("  Requesting to get a D3DVIEWPORT2 struct where a D3DVIEWPORT was set !\n"); | 
 | 	return DDERR_INVALIDPARAMS; | 
 |     } | 
 |     dwSize = lpData->dwSize; | 
 |     memset(lpData, 0, dwSize); | 
 |     memcpy(lpData, &(This->viewports.vp2), dwSize); | 
 |  | 
 |     if (TRACE_ON(ddraw)) { | 
 |         TRACE("  returning D3DVIEWPORT2 :\n"); | 
 | 	_dump_D3DVIEWPORT2(lpData); | 
 |     } | 
 |      | 
 |     return DD_OK; | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_2_SetViewport2(LPDIRECT3DVIEWPORT3 iface, | 
 |                                             LPD3DVIEWPORT2 lpData) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     LPDIRECT3DVIEWPORT3 current_viewport; | 
 |     TRACE("(%p/%p)->(%p)\n", This, iface, lpData); | 
 |  | 
 |     if (TRACE_ON(ddraw)) { | 
 |         TRACE("  getting D3DVIEWPORT2 :\n"); | 
 | 	_dump_D3DVIEWPORT2(lpData); | 
 |     } | 
 |  | 
 |     This->use_vp2 = 1; | 
 |     memset(&(This->viewports.vp2), 0, sizeof(This->viewports.vp2)); | 
 |     memcpy(&(This->viewports.vp2), lpData, lpData->dwSize); | 
 |  | 
 |     if (This->active_device) { | 
 |       IDirect3DDevice3_GetCurrentViewport(ICOM_INTERFACE(This->active_device, IDirect3DDevice3), ¤t_viewport); | 
 |       if (ICOM_OBJECT(IDirect3DViewportImpl, IDirect3DViewport3, current_viewport) == This) | 
 |         This->activate(This); | 
 |       IDirect3DViewport3_Release(current_viewport); | 
 |     } | 
 |  | 
 |     return DD_OK; | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_SetBackgroundDepth2(LPDIRECT3DVIEWPORT3 iface, | 
 |                                                  LPDIRECTDRAWSURFACE4 lpDDS) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     FIXME("(%p/%p)->(%p): stub!\n", This, iface, lpDDS); | 
 |     return DD_OK; | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_GetBackgroundDepth2(LPDIRECT3DVIEWPORT3 iface, | 
 |                                                  LPDIRECTDRAWSURFACE4* lplpDDS, | 
 |                                                  LPBOOL lpValid) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     FIXME("(%p/%p)->(%p,%p): stub!\n", This, iface, lplpDDS, lpValid); | 
 |     return DD_OK; | 
 | } | 
 |  | 
 | HRESULT WINAPI | 
 | Main_IDirect3DViewportImpl_3_Clear2(LPDIRECT3DVIEWPORT3 iface, | 
 |                                     DWORD dwCount, | 
 |                                     LPD3DRECT lpRects, | 
 |                                     DWORD dwFlags, | 
 |                                     DWORD dwColor, | 
 |                                     D3DVALUE dvZ, | 
 |                                     DWORD dwStencil) | 
 | { | 
 |     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface); | 
 |     TRACE("(%p/%p)->(%08lx,%p,%08lx,%08lx,%f,%08lx)\n", This, iface, dwCount, lpRects, dwFlags, dwColor, dvZ, dwStencil); | 
 |     if (This->active_device == NULL) { | 
 |         ERR(" Trying to clear a viewport not attached to a device !\n"); | 
 | 	return D3DERR_VIEWPORTHASNODEVICE; | 
 |     } | 
 |     return This->active_device->clear(This->active_device, dwCount, lpRects, dwFlags, dwColor, dvZ, dwStencil); | 
 | } | 
 |  | 
 | #if !defined(__STRICT_ANSI__) && defined(__GNUC__) | 
 | # define XCAST(fun)     (typeof(VTABLE_IDirect3DViewport3.fun)) | 
 | #else | 
 | # define XCAST(fun)     (void*) | 
 | #endif | 
 |  | 
 | ICOM_VTABLE(IDirect3DViewport3) VTABLE_IDirect3DViewport3 = | 
 | { | 
 |     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE | 
 |     XCAST(QueryInterface) Main_IDirect3DViewportImpl_3_2_1_QueryInterface, | 
 |     XCAST(AddRef) Main_IDirect3DViewportImpl_3_2_1_AddRef, | 
 |     XCAST(Release) Main_IDirect3DViewportImpl_3_2_1_Release, | 
 |     XCAST(Initialize) Main_IDirect3DViewportImpl_3_2_1_Initialize, | 
 |     XCAST(GetViewport) Main_IDirect3DViewportImpl_3_2_1_GetViewport, | 
 |     XCAST(SetViewport) Main_IDirect3DViewportImpl_3_2_1_SetViewport, | 
 |     XCAST(TransformVertices) Main_IDirect3DViewportImpl_3_2_1_TransformVertices, | 
 |     XCAST(LightElements) Main_IDirect3DViewportImpl_3_2_1_LightElements, | 
 |     XCAST(SetBackground) Main_IDirect3DViewportImpl_3_2_1_SetBackground, | 
 |     XCAST(GetBackground) Main_IDirect3DViewportImpl_3_2_1_GetBackground, | 
 |     XCAST(SetBackgroundDepth) Main_IDirect3DViewportImpl_3_2_1_SetBackgroundDepth, | 
 |     XCAST(GetBackgroundDepth) Main_IDirect3DViewportImpl_3_2_1_GetBackgroundDepth, | 
 |     XCAST(Clear) Main_IDirect3DViewportImpl_3_2_1_Clear, | 
 |     XCAST(AddLight) Main_IDirect3DViewportImpl_3_2_1_AddLight, | 
 |     XCAST(DeleteLight) Main_IDirect3DViewportImpl_3_2_1_DeleteLight, | 
 |     XCAST(NextLight) Main_IDirect3DViewportImpl_3_2_1_NextLight, | 
 |     XCAST(GetViewport2) Main_IDirect3DViewportImpl_3_2_GetViewport2, | 
 |     XCAST(SetViewport2) Main_IDirect3DViewportImpl_3_2_SetViewport2, | 
 |     XCAST(SetBackgroundDepth2) Main_IDirect3DViewportImpl_3_SetBackgroundDepth2, | 
 |     XCAST(GetBackgroundDepth2) Main_IDirect3DViewportImpl_3_GetBackgroundDepth2, | 
 |     XCAST(Clear2) Main_IDirect3DViewportImpl_3_Clear2, | 
 | }; | 
 |  | 
 | #if !defined(__STRICT_ANSI__) && defined(__GNUC__) | 
 | #undef XCAST | 
 | #endif | 
 |  | 
 |  | 
 |  | 
 |  | 
 | HRESULT d3dviewport_create(IDirect3DViewportImpl **obj, IDirectDrawImpl *d3d) | 
 | { | 
 |     IDirect3DViewportImpl *object; | 
 |  | 
 |     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirect3DViewportImpl)); | 
 |     if (object == NULL) return DDERR_OUTOFMEMORY; | 
 |  | 
 |     object->ref = 1; | 
 |     object->d3d = d3d; | 
 |     object->activate = activate; | 
 |     object->use_vp2 = 0xFF; | 
 |     object->next = NULL; | 
 |     object->lights = NULL; | 
 |     object->num_lights = 0; | 
 |     object->map_lights = 0; | 
 |      | 
 |     ICOM_INIT_INTERFACE(object, IDirect3DViewport3, VTABLE_IDirect3DViewport3); | 
 |  | 
 |     *obj = object; | 
 |  | 
 |     TRACE(" creating implementation at %p.\n", *obj); | 
 |      | 
 |     return D3D_OK; | 
 | } |