git.oblomov.eu Git - wine/blob - dlls/ddraw/viewport.c

   1 /* Direct3D Viewport
   2  * Copyright (c) 1998 Lionel ULMER
   3  * Copyright (c) 2006 Stefan DÖSINGER
   4  *
   5  * This file contains the implementation of Direct3DViewport2.
   6  *
   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.
  11  *
  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.
  16  *
  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
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <assert.h>
  26 #include <stdarg.h>
  27 #include <string.h>
  28 #include <stdlib.h>
  29
  30 #define COBJMACROS
  31 #define NONAMELESSUNION
  32
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "winerror.h"
  36 #include "wingdi.h"
  37 #include "wine/exception.h"
  38
  39 #include "ddraw.h"
  40 #include "d3d.h"
  41
  42 #include "ddraw_private.h"
  43 #include "wine/debug.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(d3d7);
  46
  47 /*****************************************************************************
  48  * Helper functions
  49  *****************************************************************************/
  50
  51 /*****************************************************************************
  52  * viewport_activate
  53  *
  54  * activates the viewport using IDirect3DDevice7::SetViewport
  55  *
  56  *****************************************************************************/
  57 void viewport_activate(IDirect3DViewportImpl* This) {
  58     IDirect3DLightImpl* light;
  59     D3DVIEWPORT7 vp;
  60
  61     /* Activate all the lights associated with this context */
  62     light = This->lights;
  63
  64     while (light != NULL) {
  65         light->activate(light);
  66         light = light->next;
  67     }
  68
  69     /* And copy the values in the structure used by the device */
  70     if (This->use_vp2) {
  71         vp.dwX = This->viewports.vp2.dwX;
  72         vp.dwY = This->viewports.vp2.dwY;
  73         vp.dwHeight = This->viewports.vp2.dwHeight;
  74         vp.dwWidth = This->viewports.vp2.dwWidth;
  75         vp.dvMinZ = This->viewports.vp2.dvMinZ;
  76         vp.dvMaxZ = This->viewports.vp2.dvMaxZ;
  77     } else {
  78         vp.dwX = This->viewports.vp1.dwX;
  79         vp.dwY = This->viewports.vp1.dwY;
  80         vp.dwHeight = This->viewports.vp1.dwHeight;
  81         vp.dwWidth = This->viewports.vp1.dwWidth;
  82         vp.dvMinZ = This->viewports.vp1.dvMinZ;
  83         vp.dvMaxZ = This->viewports.vp1.dvMaxZ;
  84     }
  85
  86     /* And also set the viewport */
  87     IDirect3DDevice7_SetViewport(ICOM_INTERFACE(This->active_device, IDirect3DDevice7), &vp);
  88 }
  89
  90 /*****************************************************************************
  91  * _dump_D3DVIEWPORT, _dump_D3DVIEWPORT2
  92  *
  93  * Writes viewport information to TRACE
  94  *
  95  *****************************************************************************/
  96 static void _dump_D3DVIEWPORT(const D3DVIEWPORT *lpvp)
  97 {
  98     TRACE("    - dwSize = %d   dwX = %d   dwY = %d\n",
  99           lpvp->dwSize, lpvp->dwX, lpvp->dwY);
 100     TRACE("    - dwWidth = %d   dwHeight = %d\n",
 101           lpvp->dwWidth, lpvp->dwHeight);
 102     TRACE("    - dvScaleX = %f   dvScaleY = %f\n",
 103           lpvp->dvScaleX, lpvp->dvScaleY);
 104     TRACE("    - dvMaxX = %f   dvMaxY = %f\n",
 105           lpvp->dvMaxX, lpvp->dvMaxY);
 106     TRACE("    - dvMinZ = %f   dvMaxZ = %f\n",
 107           lpvp->dvMinZ, lpvp->dvMaxZ);
 108 }
 109
 110 static void _dump_D3DVIEWPORT2(const D3DVIEWPORT2 *lpvp)
 111 {
 112     TRACE("    - dwSize = %d   dwX = %d   dwY = %d\n",
 113           lpvp->dwSize, lpvp->dwX, lpvp->dwY);
 114     TRACE("    - dwWidth = %d   dwHeight = %d\n",
 115           lpvp->dwWidth, lpvp->dwHeight);
 116     TRACE("    - dvClipX = %f   dvClipY = %f\n",
 117           lpvp->dvClipX, lpvp->dvClipY);
 118     TRACE("    - dvClipWidth = %f   dvClipHeight = %f\n",
 119           lpvp->dvClipWidth, lpvp->dvClipHeight);
 120     TRACE("    - dvMinZ = %f   dvMaxZ = %f\n",
 121           lpvp->dvMinZ, lpvp->dvMaxZ);
 122 }
 123
 124 /*****************************************************************************
 125  * IUnknown Methods.
 126  *****************************************************************************/
 127
 128 /*****************************************************************************
 129  * IDirect3DViewport3::QueryInterface
 130  *
 131  * A normal QueryInterface. Can query all interface versions and the
 132  * IUnknown interface. The VTables of the different versions
 133  * are equal
 134  *
 135  * Params:
 136  *  refiid: Interface id queried for
 137  *  obj: Address to write the interface pointer to
 138  *
 139  * Returns:
 140  *  S_OK on success.
 141  *  E_NOINTERFACE if the requested interface wasn't found
 142  *
 143  *****************************************************************************/
 144 static HRESULT WINAPI
 145 IDirect3DViewportImpl_QueryInterface(IDirect3DViewport3 *iface,
 146                                      REFIID riid,
 147                                      void **obp)
 148 {
 149     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 150     TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), obp);
 151
 152     *obp = NULL;
 153
 154     if ( IsEqualGUID(&IID_IUnknown,  riid) ||
 155          IsEqualGUID(&IID_IDirect3DViewport, riid) ||
 156          IsEqualGUID(&IID_IDirect3DViewport2, riid) ||
 157          IsEqualGUID(&IID_IDirect3DViewport3, riid) ) {
 158         IDirect3DViewport3_AddRef(ICOM_INTERFACE(This, IDirect3DViewport3));
 159         *obp = ICOM_INTERFACE(This, IDirect3DViewport3);
 160         TRACE("  Creating IDirect3DViewport1/2/3 interface %p\n", *obp);
 161         return S_OK;
 162     }
 163     FIXME("(%p): interface for IID %s NOT found!\n", This, debugstr_guid(riid));
 164     return E_NOINTERFACE;
 165 }
 166
 167 /*****************************************************************************
 168  * IDirect3DViewport3::AddRef
 169  *
 170  * Increases the refcount.
 171  *
 172  * Returns:
 173  *  The new refcount
 174  *
 175  *****************************************************************************/
 176 static ULONG WINAPI
 177 IDirect3DViewportImpl_AddRef(IDirect3DViewport3 *iface)
 178 {
 179     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 180     ULONG ref = InterlockedIncrement(&This->ref);
 181
 182     TRACE("(%p)->() incrementing from %u.\n", This, ref - 1);
 183
 184     return ref;
 185 }
 186
 187 /*****************************************************************************
 188  * IDirect3DViewport3::Release
 189  *
 190  * Reduces the refcount. If it falls to 0, the interface is released
 191  *
 192  * Returns:
 193  *  The new refcount
 194  *
 195  *****************************************************************************/
 196 static ULONG WINAPI
 197 IDirect3DViewportImpl_Release(IDirect3DViewport3 *iface)
 198 {
 199     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 200     ULONG ref = InterlockedDecrement(&This->ref);
 201
 202     TRACE("(%p)->() decrementing from %u.\n", This, ref + 1);
 203
 204     if (!ref) {
 205         HeapFree(GetProcessHeap(), 0, This);
 206         return 0;
 207     }
 208     return ref;
 209 }
 210
 211 /*****************************************************************************
 212  * IDirect3DViewport Methods.
 213  *****************************************************************************/
 214
 215 /*****************************************************************************
 216  * IDirect3DViewport3::Initialize
 217  *
 218  * No-op initialization.
 219  *
 220  * Params:
 221  *  Direct3D: The direct3D device this viewport is assigned to
 222  *
 223  * Returns:
 224  *  DDERR_ALREADYINITIALIZED
 225  *
 226  *****************************************************************************/
 227 static HRESULT WINAPI
 228 IDirect3DViewportImpl_Initialize(IDirect3DViewport3 *iface,
 229                                  IDirect3D *Direct3D)
 230 {
 231     TRACE("(%p)->(%p) no-op...\n", iface, Direct3D);
 232     return DDERR_ALREADYINITIALIZED;
 233 }
 234
 235 /*****************************************************************************
 236  * IDirect3DViewport3::GetViewport
 237  *
 238  * Returns the viewport data assigned to this viewport interface
 239  *
 240  * Params:
 241  *  Data: Address to store the data
 242  *
 243  * Returns:
 244  *  D3D_OK on success
 245  *  DDERR_INVALIDPARAMS if Data is NULL
 246  *
 247  *****************************************************************************/
 248 static HRESULT WINAPI
 249 IDirect3DViewportImpl_GetViewport(IDirect3DViewport3 *iface,
 250                                   D3DVIEWPORT *lpData)
 251 {
 252     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 253     DWORD dwSize;
 254     TRACE("(%p/%p)->(%p)\n", This, iface, lpData);
 255
 256     EnterCriticalSection(&ddraw_cs);
 257     if (This->use_vp2 != 0) {
 258         ERR("  Requesting to get a D3DVIEWPORT struct where a D3DVIEWPORT2 was set !\n");
 259         LeaveCriticalSection(&ddraw_cs);
 260         return DDERR_INVALIDPARAMS;
 261     }
 262     dwSize = lpData->dwSize;
 263     memset(lpData, 0, dwSize);
 264     memcpy(lpData, &(This->viewports.vp1), dwSize);
 265
 266     if (TRACE_ON(d3d7)) {
 267         TRACE("  returning D3DVIEWPORT :\n");
 268         _dump_D3DVIEWPORT(lpData);
 269     }
 270     LeaveCriticalSection(&ddraw_cs);
 271
 272     return DD_OK;
 273 }
 274
 275 /*****************************************************************************
 276  * IDirect3DViewport3::SetViewport
 277  *
 278  * Sets the viewport information for this interface
 279  *
 280  * Params:
 281  *  lpData: Viewport to set
 282  *
 283  * Returns:
 284  *  D3D_OK on success
 285  *  DDERR_INVALIDPARAMS if Data is NULL
 286  *
 287  *****************************************************************************/
 288 static HRESULT WINAPI
 289 IDirect3DViewportImpl_SetViewport(IDirect3DViewport3 *iface,
 290                                   D3DVIEWPORT *lpData)
 291 {
 292     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 293     LPDIRECT3DVIEWPORT3 current_viewport;
 294     TRACE("(%p/%p)->(%p)\n", This, iface, lpData);
 295
 296     if (TRACE_ON(d3d7)) {
 297         TRACE("  getting D3DVIEWPORT :\n");
 298         _dump_D3DVIEWPORT(lpData);
 299     }
 300
 301     EnterCriticalSection(&ddraw_cs);
 302     This->use_vp2 = 0;
 303     memset(&(This->viewports.vp1), 0, sizeof(This->viewports.vp1));
 304     memcpy(&(This->viewports.vp1), lpData, lpData->dwSize);
 305
 306     /* Tests on two games show that these values are never used properly so override
 307        them with proper ones :-)
 308     */
 309     This->viewports.vp1.dvMinZ = 0.0;
 310     This->viewports.vp1.dvMaxZ = 1.0;
 311
 312     if (This->active_device) {
 313       IDirect3DDevice3_GetCurrentViewport(ICOM_INTERFACE(This->active_device, IDirect3DDevice3), &current_viewport);
 314       if (ICOM_OBJECT(IDirect3DViewportImpl, IDirect3DViewport3, current_viewport) == This)
 315           This->activate(This);
 316       if(current_viewport) IDirect3DViewport3_Release(current_viewport);
 317     }
 318     LeaveCriticalSection(&ddraw_cs);
 319
 320     return DD_OK;
 321 }
 322
 323 /*****************************************************************************
 324  * IDirect3DViewport3::TransformVertices
 325  *
 326  * Transforms vertices by the transformation matrix.
 327  *
 328  * Params:
 329  *  dwVertexCount: The number of vertices to be transformed
 330  *  lpData: Pointer to the vertex data
 331  *  dwFlags: D3DTRANSFORM_CLIPPED or D3DTRANSFORM_UNCLIPPED
 332  *  lpOffScreen: Is set to nonzero if all vertices are off-screen
 333  *
 334  * Returns:
 335  *  D3D_OK because it's a stub
 336  *
 337  *****************************************************************************/
 338 static HRESULT WINAPI
 339 IDirect3DViewportImpl_TransformVertices(IDirect3DViewport3 *iface,
 340                                         DWORD dwVertexCount,
 341                                         D3DTRANSFORMDATA *lpData,
 342                                         DWORD dwFlags,
 343                                         DWORD *lpOffScreen)
 344 {
 345     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 346     FIXME("(%p)->(%08x,%p,%08x,%p): stub!\n", This, dwVertexCount, lpData, dwFlags, lpOffScreen);
 347     if (lpOffScreen)
 348         *lpOffScreen = 0;
 349     return DD_OK;
 350 }
 351
 352 /*****************************************************************************
 353  * IDirect3DViewport3::LightElements
 354  *
 355  * The DirectX 5.0 sdk says that it's not implemented
 356  *
 357  * Params:
 358  *  ?
 359  *
 360  * Returns:
 361  *  DDERR_UNSUPPORTED
 362  *
 363  *****************************************************************************/
 364 static HRESULT WINAPI
 365 IDirect3DViewportImpl_LightElements(IDirect3DViewport3 *iface,
 366                                     DWORD dwElementCount,
 367                                     LPD3DLIGHTDATA lpData)
 368 {
 369     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 370     TRACE("(%p)->(%08x,%p): Unimplemented!\n", This, dwElementCount, lpData);
 371     return DDERR_UNSUPPORTED;
 372 }
 373
 374 /*****************************************************************************
 375  * IDirect3DViewport3::SetBackground
 376  *
 377  * Sets tje background material
 378  *
 379  * Params:
 380  *  hMat: Handle from a IDirect3DMaterial interface
 381  *
 382  * Returns:
 383  *  D3D_OK on success
 384  *
 385  *****************************************************************************/
 386 static HRESULT WINAPI
 387 IDirect3DViewportImpl_SetBackground(IDirect3DViewport3 *iface,
 388                                     D3DMATERIALHANDLE hMat)
 389 {
 390     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 391     TRACE("(%p)->(%d)\n", This, (DWORD) hMat);
 392
 393     EnterCriticalSection(&ddraw_cs);
 394     if(hMat && hMat > This->ddraw->d3ddevice->numHandles)
 395     {
 396         WARN("Specified Handle %d out of range\n", hMat);
 397         LeaveCriticalSection(&ddraw_cs);
 398         return DDERR_INVALIDPARAMS;
 399     }
 400     else if(hMat && This->ddraw->d3ddevice->Handles[hMat - 1].type != DDrawHandle_Material)
 401     {
 402         WARN("Handle %d is not a material handle\n", hMat);
 403         LeaveCriticalSection(&ddraw_cs);
 404         return DDERR_INVALIDPARAMS;
 405     }
 406
 407     if(hMat)
 408     {
 409         This->background = (IDirect3DMaterialImpl *) This->ddraw->d3ddevice->Handles[hMat - 1].ptr;
 410         TRACE(" setting background color : %f %f %f %f\n",
 411               This->background->mat.u.diffuse.u1.r,
 412               This->background->mat.u.diffuse.u2.g,
 413               This->background->mat.u.diffuse.u3.b,
 414               This->background->mat.u.diffuse.u4.a);
 415     }
 416     else
 417     {
 418         This->background = NULL;
 419         TRACE("Setting background to NULL\n");
 420     }
 421
 422     LeaveCriticalSection(&ddraw_cs);
 423     return D3D_OK;
 424 }
 425
 426 /*****************************************************************************
 427  * IDirect3DViewport3::GetBackground
 428  *
 429  * Returns the material handle assigned to the background of the viewport
 430  *
 431  * Params:
 432  *  lphMat: Address to store the handle
 433  *  lpValid: is set to FALSE if no background is set, TRUE if one is set
 434  *
 435  * Returns:
 436  *  D3D_OK
 437  *
 438  *****************************************************************************/
 439 static HRESULT WINAPI
 440 IDirect3DViewportImpl_GetBackground(IDirect3DViewport3 *iface,
 441                                     D3DMATERIALHANDLE *lphMat,
 442                                     BOOL *lpValid)
 443 {
 444     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 445     TRACE("(%p)->(%p,%p)\n", This, lphMat, lpValid);
 446
 447     EnterCriticalSection(&ddraw_cs);
 448     if(lpValid)
 449     {
 450         *lpValid = This->background != NULL;
 451     }
 452     if(lphMat)
 453     {
 454         if(This->background)
 455         {
 456             *lphMat = This->background->Handle;
 457         }
 458         else
 459         {
 460             *lphMat = 0;
 461         }
 462     }
 463     LeaveCriticalSection(&ddraw_cs);
 464
 465     return D3D_OK;
 466 }
 467
 468 /*****************************************************************************
 469  * IDirect3DViewport3::SetBackgroundDepth
 470  *
 471  * Sets a surface that represents the background depth. It's contents are
 472  * used to set the depth buffer in IDirect3DViewport3::Clear
 473  *
 474  * Params:
 475  *  lpDDSurface: Surface to set
 476  *
 477  * Returns: D3D_OK, because it's a stub
 478  *
 479  *****************************************************************************/
 480 static HRESULT WINAPI
 481 IDirect3DViewportImpl_SetBackgroundDepth(IDirect3DViewport3 *iface,
 482                                          IDirectDrawSurface *lpDDSurface)
 483 {
 484     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 485     FIXME("(%p)->(%p): stub!\n", This, lpDDSurface);
 486     return D3D_OK;
 487 }
 488
 489 /*****************************************************************************
 490  * IDirect3DViewport3::GetBackgroundDepth
 491  *
 492  * Returns the surface that represents the depth field
 493  *
 494  * Params:
 495  *  lplpDDSurface: Address to store the interface pointer
 496  *  lpValid: Set to TRUE if a depth is asigned, FALSE otherwise
 497  *
 498  * Returns:
 499  *  D3D_OK, because it's a stub
 500  *  (DDERR_INVALIDPARAMS if DDSurface of Valid is NULL)
 501  *
 502  *****************************************************************************/
 503 static HRESULT WINAPI
 504 IDirect3DViewportImpl_GetBackgroundDepth(IDirect3DViewport3 *iface,
 505                                          IDirectDrawSurface **lplpDDSurface,
 506                                          LPBOOL lpValid)
 507 {
 508     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 509     FIXME("(%p)->(%p,%p): stub!\n", This, lplpDDSurface, lpValid);
 510     return DD_OK;
 511 }
 512
 513 /*****************************************************************************
 514  * IDirect3DViewport3::Clear
 515  *
 516  * Clears the render target and / or the z buffer
 517  *
 518  * Params:
 519  *  dwCount: The amount of rectangles to clear. If 0, the whole buffer is
 520  *           cleared
 521  *  lpRects: Pointer to the array of rectangles. If NULL, Count must be 0
 522  *  dwFlags: D3DCLEAR_ZBUFFER and / or D3DCLEAR_TARGET
 523  *
 524  * Returns:
 525  *  D3D_OK on success
 526  *  D3DERR_VIEWPORTHASNODEVICE if there's no active device
 527  *  The return value of IDirect3DDevice7::Clear
 528  *
 529  *****************************************************************************/
 530 static HRESULT WINAPI
 531 IDirect3DViewportImpl_Clear(IDirect3DViewport3 *iface,
 532                             DWORD dwCount,
 533                             D3DRECT *lpRects,
 534                             DWORD dwFlags)
 535 {
 536     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 537     DWORD color = 0x00000000;
 538     HRESULT hr;
 539
 540     TRACE("(%p/%p)->(%08x,%p,%08x)\n", This, iface, dwCount, lpRects, dwFlags);
 541     if (This->active_device == NULL) {
 542         ERR(" Trying to clear a viewport not attached to a device !\n");
 543         return D3DERR_VIEWPORTHASNODEVICE;
 544     }
 545
 546     EnterCriticalSection(&ddraw_cs);
 547     if (dwFlags & D3DCLEAR_TARGET) {
 548         if (This->background == NULL) {
 549             ERR(" Trying to clear the color buffer without background material !\n");
 550         } else {
 551             color =
 552               ((int) ((This->background->mat.u.diffuse.u1.r) * 255) << 16) |
 553               ((int) ((This->background->mat.u.diffuse.u2.g) * 255) <<  8) |
 554               ((int) ((This->background->mat.u.diffuse.u3.b) * 255) <<  0) |
 555               ((int) ((This->background->mat.u.diffuse.u4.a) * 255) << 24);
 556         }
 557     }
 558
 559     hr = IDirect3DDevice7_Clear(ICOM_INTERFACE(This->active_device, IDirect3DDevice7),
 560                                 dwCount,
 561                                 lpRects,
 562                                 dwFlags & (D3DCLEAR_ZBUFFER | D3DCLEAR_TARGET),
 563                                 color,
 564                                 1.0,
 565                                 0x00000000);
 566     LeaveCriticalSection(&ddraw_cs);
 567     return hr;
 568 }
 569
 570 /*****************************************************************************
 571  * IDirect3DViewport3::AddLight
 572  *
 573  * Adds an light to the viewport
 574  *
 575  * Params:
 576  *  lpDirect3DLight: Interface of the light to add
 577  *
 578  * Returns:
 579  *  D3D_OK on success
 580  *  DDERR_INVALIDPARAMS if Direct3DLight is NULL
 581  *  DDERR_INVALIDPARAMS if there are 8 lights or more
 582  *
 583  *****************************************************************************/
 584 static HRESULT WINAPI
 585 IDirect3DViewportImpl_AddLight(IDirect3DViewport3 *iface,
 586                                IDirect3DLight *lpDirect3DLight)
 587 {
 588     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 589     IDirect3DLightImpl *lpDirect3DLightImpl = ICOM_OBJECT(IDirect3DLightImpl, IDirect3DLight, lpDirect3DLight);
 590     DWORD i = 0;
 591     DWORD map = This->map_lights;
 592
 593     TRACE("(%p)->(%p)\n", This, lpDirect3DLight);
 594
 595     EnterCriticalSection(&ddraw_cs);
 596     if (This->num_lights >= 8)
 597     {
 598         LeaveCriticalSection(&ddraw_cs);
 599         return DDERR_INVALIDPARAMS;
 600     }
 601
 602     /* Find a light number and update both light and viewports objects accordingly */
 603     while(map&1) {
 604         map>>=1;
 605         i++;
 606     }
 607     lpDirect3DLightImpl->dwLightIndex = i;
 608     This->num_lights++;
 609     This->map_lights |= 1<<i;
 610
 611     /* Add the light in the 'linked' chain */
 612     lpDirect3DLightImpl->next = This->lights;
 613     This->lights = lpDirect3DLightImpl;
 614
 615     /* Attach the light to the viewport */
 616     lpDirect3DLightImpl->active_viewport = This;
 617
 618     /* If active, activate the light */
 619     if (This->active_device != NULL) {
 620         lpDirect3DLightImpl->activate(lpDirect3DLightImpl);
 621     }
 622
 623     LeaveCriticalSection(&ddraw_cs);
 624     return D3D_OK;
 625 }
 626
 627 /*****************************************************************************
 628  * IDirect3DViewport3::DeleteLight
 629  *
 630  * Deletes a light from the viewports' light list
 631  *
 632  * Params:
 633  *  lpDirect3DLight: Light to delete
 634  *
 635  * Returns:
 636  *  D3D_OK on success
 637  *  DDERR_INVALIDPARAMS if the light wasn't found
 638  *
 639  *****************************************************************************/
 640 static HRESULT WINAPI
 641 IDirect3DViewportImpl_DeleteLight(IDirect3DViewport3 *iface,
 642                                   IDirect3DLight *lpDirect3DLight)
 643 {
 644     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 645     IDirect3DLightImpl *lpDirect3DLightImpl = ICOM_OBJECT(IDirect3DLightImpl, IDirect3DLight, lpDirect3DLight);
 646     IDirect3DLightImpl *cur_light, *prev_light = NULL;
 647
 648     TRACE("(%p)->(%p)\n", This, lpDirect3DLight);
 649
 650     EnterCriticalSection(&ddraw_cs);
 651     cur_light = This->lights;
 652     while (cur_light != NULL) {
 653         if (cur_light == lpDirect3DLightImpl) {
 654             lpDirect3DLightImpl->desactivate(lpDirect3DLightImpl);
 655             if (prev_light == NULL) This->lights = cur_light->next;
 656             else prev_light->next = cur_light->next;
 657             /* Detach the light to the viewport */
 658             cur_light->active_viewport = NULL;
 659             This->num_lights--;
 660             This->map_lights &= ~(1<<lpDirect3DLightImpl->dwLightIndex);
 661             LeaveCriticalSection(&ddraw_cs);
 662             return D3D_OK;
 663         }
 664         prev_light = cur_light;
 665         cur_light = cur_light->next;
 666     }
 667     LeaveCriticalSection(&ddraw_cs);
 668
 669     return DDERR_INVALIDPARAMS;
 670 }
 671
 672 /*****************************************************************************
 673  * IDirect3DViewport::NextLight
 674  *
 675  * Enumerates the lights associated with the viewport
 676  *
 677  * Params:
 678  *  lpDirect3DLight: Light to start with
 679  *  lplpDirect3DLight: Address to store the successor to
 680  *
 681  * Returns:
 682  *  D3D_OK, because it's a stub
 683  *
 684  *****************************************************************************/
 685 static HRESULT WINAPI
 686 IDirect3DViewportImpl_NextLight(IDirect3DViewport3 *iface,
 687                                 IDirect3DLight *lpDirect3DLight,
 688                                 IDirect3DLight **lplpDirect3DLight,
 689                                 DWORD dwFlags)
 690 {
 691     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 692     FIXME("(%p)->(%p,%p,%08x): stub!\n", This, lpDirect3DLight, lplpDirect3DLight, dwFlags);
 693     return D3D_OK;
 694 }
 695
 696 /*****************************************************************************
 697  * IDirect3DViewport2 Methods.
 698  *****************************************************************************/
 699
 700 /*****************************************************************************
 701  * IDirect3DViewport3::GetViewport2
 702  *
 703  * Returns the currently set viewport in a D3DVIEWPORT2 structure.
 704  * Similar to IDirect3DViewport3::GetViewport
 705  *
 706  * Params:
 707  *  lpData: Pointer to the structure to fill
 708  *
 709  * Returns:
 710  *  D3D_OK on success
 711  *  DDERR_INVALIDPARAMS if the viewport was set with
 712  *                      IDirect3DViewport3::SetViewport
 713  *  DDERR_INVALIDPARAMS if Data is NULL
 714  *
 715  *****************************************************************************/
 716 static HRESULT WINAPI
 717 IDirect3DViewportImpl_GetViewport2(IDirect3DViewport3 *iface,
 718                                    D3DVIEWPORT2 *lpData)
 719 {
 720     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 721     DWORD dwSize;
 722     TRACE("(%p)->(%p)\n", This, lpData);
 723
 724     EnterCriticalSection(&ddraw_cs);
 725     if (This->use_vp2 != 1) {
 726         ERR("  Requesting to get a D3DVIEWPORT2 struct where a D3DVIEWPORT was set !\n");
 727         LeaveCriticalSection(&ddraw_cs);
 728         return DDERR_INVALIDPARAMS;
 729     }
 730     dwSize = lpData->dwSize;
 731     memset(lpData, 0, dwSize);
 732     memcpy(lpData, &(This->viewports.vp2), dwSize);
 733
 734     if (TRACE_ON(d3d7)) {
 735         TRACE("  returning D3DVIEWPORT2 :\n");
 736         _dump_D3DVIEWPORT2(lpData);
 737     }
 738
 739     LeaveCriticalSection(&ddraw_cs);
 740     return D3D_OK;
 741 }
 742
 743 /*****************************************************************************
 744  * IDirect3DViewport3::SetViewport2
 745  *
 746  * Sets the viewport from a D3DVIEWPORT2 structure
 747  *
 748  * Params:
 749  *  lpData: Viewport to set
 750  *
 751  * Returns:
 752  *  D3D_OK on success
 753  *
 754  *****************************************************************************/
 755 static HRESULT WINAPI
 756 IDirect3DViewportImpl_SetViewport2(IDirect3DViewport3 *iface,
 757                                    D3DVIEWPORT2 *lpData)
 758 {
 759     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 760     LPDIRECT3DVIEWPORT3 current_viewport;
 761     TRACE("(%p/%p)->(%p)\n", This, iface, lpData);
 762
 763     if (TRACE_ON(d3d7)) {
 764         TRACE("  getting D3DVIEWPORT2 :\n");
 765         _dump_D3DVIEWPORT2(lpData);
 766     }
 767
 768     EnterCriticalSection(&ddraw_cs);
 769     This->use_vp2 = 1;
 770     memset(&(This->viewports.vp2), 0, sizeof(This->viewports.vp2));
 771     memcpy(&(This->viewports.vp2), lpData, lpData->dwSize);
 772
 773     if (This->active_device) {
 774       IDirect3DDevice3_GetCurrentViewport(ICOM_INTERFACE(This->active_device, IDirect3DDevice3), &current_viewport);
 775       if (ICOM_OBJECT(IDirect3DViewportImpl, IDirect3DViewport3, current_viewport) == This)
 776         This->activate(This);
 777       IDirect3DViewport3_Release(current_viewport);
 778     }
 779     LeaveCriticalSection(&ddraw_cs);
 780
 781     return D3D_OK;
 782 }
 783
 784 /*****************************************************************************
 785  * IDirect3DViewport3 Methods.
 786  *****************************************************************************/
 787
 788 /*****************************************************************************
 789  * IDirect3DViewport3::SetBackgroundDepth2
 790  *
 791  * Sets a IDirectDrawSurface4 surface as the background depth surface
 792  *
 793  * Params:
 794  *  lpDDS: Surface to set
 795  *
 796  * Returns:
 797  *  D3D_OK, because it's stub
 798  *
 799  *****************************************************************************/
 800 static HRESULT WINAPI
 801 IDirect3DViewportImpl_SetBackgroundDepth2(IDirect3DViewport3 *iface,
 802                                           IDirectDrawSurface4 *lpDDS)
 803 {
 804     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 805     FIXME("(%p)->(%p): stub!\n", This, lpDDS);
 806     return D3D_OK;
 807 }
 808
 809 /*****************************************************************************
 810  * IDirect3DViewport3::GetBackgroundDepth2
 811  *
 812  * Returns the IDirect3DSurface4 interface to the background depth surface
 813  *
 814  * Params:
 815  *  lplpDDS: Address to store the interface pointer at
 816  *  lpValid: Set to true if a surface is assigned
 817  *
 818  * Returns:
 819  *  D3D_OK because it's a stub
 820  *
 821  *****************************************************************************/
 822 static HRESULT WINAPI
 823 IDirect3DViewportImpl_GetBackgroundDepth2(IDirect3DViewport3 *iface,
 824                                           IDirectDrawSurface4 **lplpDDS,
 825                                           BOOL *lpValid)
 826 {
 827     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 828     FIXME("(%p/%p)->(%p,%p): stub!\n", This, iface, lplpDDS, lpValid);
 829     return D3D_OK;
 830 }
 831
 832 /*****************************************************************************
 833  * IDirect3DViewport3::Clear2
 834  *
 835  * Another clearing method
 836  *
 837  * Params:
 838  *  Count: Number of rectangles to clear
 839  *  Rects: Rectangle array to clear
 840  *  Flags: Some flags :)
 841  *  Color: Color to fill the render target with
 842  *  Z: Value to fill the depth buffer with
 843  *  Stencil: Value to fill the stencil bits with
 844  *
 845  * Returns:
 846  *
 847  *****************************************************************************/
 848 static HRESULT WINAPI
 849 IDirect3DViewportImpl_Clear2(IDirect3DViewport3 *iface,
 850                              DWORD dwCount,
 851                              LPD3DRECT lpRects,
 852                              DWORD dwFlags,
 853                              DWORD dwColor,
 854                              D3DVALUE dvZ,
 855                              DWORD dwStencil)
 856 {
 857     ICOM_THIS_FROM(IDirect3DViewportImpl, IDirect3DViewport3, iface);
 858     HRESULT hr;
 859     TRACE("(%p)->(%08x,%p,%08x,%08x,%f,%08x)\n", This, dwCount, lpRects, dwFlags, dwColor, dvZ, dwStencil);
 860
 861     EnterCriticalSection(&ddraw_cs);
 862     if (This->active_device == NULL) {
 863         ERR(" Trying to clear a viewport not attached to a device !\n");
 864         LeaveCriticalSection(&ddraw_cs);
 865         return D3DERR_VIEWPORTHASNODEVICE;
 866     }
 867     hr = IDirect3DDevice7_Clear(ICOM_INTERFACE(This->active_device, IDirect3DDevice7),
 868                                 dwCount,
 869                                 lpRects,
 870                                 dwFlags,
 871                                 dwColor,
 872                                 dvZ,
 873                                 dwStencil);
 874     LeaveCriticalSection(&ddraw_cs);
 875     return hr;
 876 }
 877
 878 /*****************************************************************************
 879  * The VTable
 880  *****************************************************************************/
 881
 882 const IDirect3DViewport3Vtbl IDirect3DViewport3_Vtbl =
 883 {
 884     /*** IUnknown Methods ***/
 885     IDirect3DViewportImpl_QueryInterface,
 886     IDirect3DViewportImpl_AddRef,
 887     IDirect3DViewportImpl_Release,
 888     /*** IDirect3DViewport Methods */
 889     IDirect3DViewportImpl_Initialize,
 890     IDirect3DViewportImpl_GetViewport,
 891     IDirect3DViewportImpl_SetViewport,
 892     IDirect3DViewportImpl_TransformVertices,
 893     IDirect3DViewportImpl_LightElements,
 894     IDirect3DViewportImpl_SetBackground,
 895     IDirect3DViewportImpl_GetBackground,
 896     IDirect3DViewportImpl_SetBackgroundDepth,
 897     IDirect3DViewportImpl_GetBackgroundDepth,
 898     IDirect3DViewportImpl_Clear,
 899     IDirect3DViewportImpl_AddLight,
 900     IDirect3DViewportImpl_DeleteLight,
 901     IDirect3DViewportImpl_NextLight,
 902     /*** IDirect3DViewport2 Methods ***/
 903     IDirect3DViewportImpl_GetViewport2,
 904     IDirect3DViewportImpl_SetViewport2,
 905     /*** IDirect3DViewport3 Methods ***/
 906     IDirect3DViewportImpl_SetBackgroundDepth2,
 907     IDirect3DViewportImpl_GetBackgroundDepth2,
 908     IDirect3DViewportImpl_Clear2,
 909 };