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