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   1 /* Direct3D Vertex Buffer
   2  * Copyright (c) 2002 Lionel ULMER
   3  * Copyright (c) 2006 Stefan DÖSINGER
   4  *
   5  * This file contains the implementation of Direct3DVertexBuffer COM object
   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 #include "wine/debug.h"
  25
  26 #include <assert.h>
  27 #include <stdarg.h>
  28 #include <string.h>
  29 #include <stdlib.h>
  30
  31 #define COBJMACROS
  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
  44 WINE_DEFAULT_DEBUG_CHANNEL(d3d7);
  45 WINE_DECLARE_DEBUG_CHANNEL(ddraw_thunk);
  46
  47 /*****************************************************************************
  48  * IUnknown Methods
  49  *****************************************************************************/
  50
  51 /*****************************************************************************
  52  * IDirect3DVertexBuffer7::QueryInterface
  53  *
  54  * The QueryInterface Method for Vertex Buffers
  55  * For a link to QueryInterface rules, see IDirectDraw7::QueryInterface
  56  *
  57  * Params
  58  *  riid: Queryied Interface id
  59  *  obj: Address to return the interface pointer
  60  *
  61  * Returns:
  62  *  S_OK on success
  63  *  E_NOINTERFACE if the interface wasn't found
  64  *
  65  *****************************************************************************/
  66 static HRESULT WINAPI
  67 IDirect3DVertexBufferImpl_QueryInterface(IDirect3DVertexBuffer7 *iface,
  68                                          REFIID riid,
  69                                          void  **obj)
  70 {
  71     IDirect3DVertexBufferImpl *This = (IDirect3DVertexBufferImpl *)iface;
  72     TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), obj);
  73
  74     /* By default, set the object pointer to NULL */
  75     *obj = NULL;
  76
  77     if ( IsEqualGUID( &IID_IUnknown,  riid ) )
  78     {
  79         IUnknown_AddRef(iface);
  80         *obj = iface;
  81         TRACE("  Creating IUnknown interface at %p.\n", *obj);
  82         return S_OK;
  83     }
  84     if ( IsEqualGUID( &IID_IDirect3DVertexBuffer, riid ) )
  85     {
  86         IUnknown_AddRef(iface);
  87         *obj = &This->IDirect3DVertexBuffer_vtbl;
  88         TRACE("  Creating IDirect3DVertexBuffer interface %p\n", *obj);
  89         return S_OK;
  90     }
  91     if ( IsEqualGUID( &IID_IDirect3DVertexBuffer7, riid ) )
  92     {
  93         IUnknown_AddRef(iface);
  94         *obj = iface;
  95         TRACE("  Creating IDirect3DVertexBuffer7 interface %p\n", *obj);
  96         return S_OK;
  97     }
  98     FIXME("(%p): interface for IID %s NOT found!\n", This, debugstr_guid(riid));
  99     return E_NOINTERFACE;
 100 }
 101
 102 static HRESULT WINAPI
 103 Thunk_IDirect3DVertexBufferImpl_1_QueryInterface(IDirect3DVertexBuffer *iface,
 104                                                  REFIID riid,
 105                                                  void **obj)
 106 {
 107     IDirect3DVertexBufferImpl *This = vb_from_vb1(iface);
 108     TRACE_(ddraw_thunk)("(%p)->(%s,%p) thunking to IDirect3DVertexBuffer7 interface.\n", This, debugstr_guid(riid), obj);
 109
 110     return IDirect3DVertexBuffer7_QueryInterface((IDirect3DVertexBuffer7 *)This, riid, obj);
 111 }
 112
 113 /*****************************************************************************
 114  * IDirect3DVertexBuffer7::AddRef
 115  *
 116  * AddRef for Vertex Buffers
 117  *
 118  * Returns:
 119  *  The new refcount
 120  *
 121  *****************************************************************************/
 122 static ULONG WINAPI
 123 IDirect3DVertexBufferImpl_AddRef(IDirect3DVertexBuffer7 *iface)
 124 {
 125     IDirect3DVertexBufferImpl *This = (IDirect3DVertexBufferImpl *)iface;
 126     ULONG ref = InterlockedIncrement(&This->ref);
 127
 128     TRACE("(%p/%p)->() incrementing from %u.\n", This, iface, ref - 1);
 129
 130     return ref;
 131 }
 132
 133 static ULONG WINAPI
 134 Thunk_IDirect3DVertexBufferImpl_1_AddRef(IDirect3DVertexBuffer *iface)
 135 {
 136     IDirect3DVertexBufferImpl *This = vb_from_vb1(iface);
 137     TRACE_(ddraw_thunk)("(%p)->() thunking to IDirect3DVertexBuffer7 interface.\n", This);
 138
 139     return IDirect3DVertexBuffer7_AddRef((IDirect3DVertexBuffer7 *)This);
 140 }
 141
 142
 143 /*****************************************************************************
 144  * IDirect3DVertexBuffer7::Release
 145  *
 146  * Release for Vertex Buffers
 147  *
 148  * Returns:
 149  *  The new refcount
 150  *
 151  *****************************************************************************/
 152 static ULONG WINAPI
 153 IDirect3DVertexBufferImpl_Release(IDirect3DVertexBuffer7 *iface)
 154 {
 155     IDirect3DVertexBufferImpl *This = (IDirect3DVertexBufferImpl *)iface;
 156     ULONG ref = InterlockedDecrement(&This->ref);
 157
 158     TRACE("(%p)->() decrementing from %u.\n", This, ref + 1);
 159
 160     if (ref == 0)
 161     {
 162         IWineD3DBuffer *curVB = NULL;
 163         UINT offset, stride;
 164
 165         EnterCriticalSection(&ddraw_cs);
 166         /* D3D7 Vertex buffers don't stay bound in the device, they are passed as a parameter
 167          * to drawPrimitiveVB. DrawPrimitiveVB sets them as the stream source in wined3d,
 168          * and they should get unset there before they are destroyed
 169          */
 170         IWineD3DDevice_GetStreamSource(This->ddraw->wineD3DDevice,
 171                                        0 /* Stream number */,
 172                                        &curVB,
 173                                        &offset,
 174                                        &stride);
 175         if(curVB == This->wineD3DVertexBuffer)
 176         {
 177             IWineD3DDevice_SetStreamSource(This->ddraw->wineD3DDevice,
 178                                         0 /* Steam number */,
 179                                         NULL /* stream data */,
 180                                         0 /* Offset */,
 181                                         0 /* stride */);
 182         }
 183         if(curVB)
 184         {
 185             IWineD3DBuffer_Release(curVB); /* For the GetStreamSource */
 186         }
 187
 188         IWineD3DVertexDeclaration_Release(This->wineD3DVertexDeclaration);
 189         IWineD3DBuffer_Release(This->wineD3DVertexBuffer);
 190         LeaveCriticalSection(&ddraw_cs);
 191         HeapFree(GetProcessHeap(), 0, This);
 192
 193         return 0;
 194     }
 195     return ref;
 196 }
 197
 198 static ULONG WINAPI
 199 Thunk_IDirect3DVertexBufferImpl_1_Release(IDirect3DVertexBuffer *iface)
 200 {
 201     IDirect3DVertexBufferImpl *This = vb_from_vb1(iface);
 202     TRACE_(ddraw_thunk)("(%p)->() thunking to IDirect3DVertexBuffer7 interface.\n", This);
 203
 204     return IDirect3DVertexBuffer7_Release((IDirect3DVertexBuffer7 *)This);
 205 }
 206
 207 /*****************************************************************************
 208  * IDirect3DVertexBuffer Methods
 209  *****************************************************************************/
 210
 211 /*****************************************************************************
 212  * IDirect3DVertexBuffer7::Lock
 213  *
 214  * Locks the vertex buffer and returns a pointer to the vertex data
 215  * Locking vertex buffers is similar to locking surfaces, because Windows
 216  * uses surfaces to store vertex data internally (According to the DX sdk)
 217  *
 218  * Params:
 219  *  Flags: Locking flags. Relevant here are DDLOCK_READONLY, DDLOCK_WRITEONLY,
 220  *         DDLOCK_DISCARDCONTENTS and DDLOCK_NOOVERWRITE.
 221  *  Data:  Returns a pointer to the vertex data
 222  *  Size:  Returns the size of the buffer if not NULL
 223  *
 224  * Returns:
 225  *  D3D_OK on success
 226  *  DDERR_INVALIDPARAMS if Data is NULL
 227  *  D3DERR_VERTEXBUFFEROPTIMIZED if called on an optimized buffer(WineD3D)
 228  *
 229  *****************************************************************************/
 230 static HRESULT WINAPI
 231 IDirect3DVertexBufferImpl_Lock(IDirect3DVertexBuffer7 *iface,
 232                                DWORD Flags,
 233                                void **Data,
 234                                DWORD *Size)
 235 {
 236     IDirect3DVertexBufferImpl *This = (IDirect3DVertexBufferImpl *)iface;
 237     WINED3DVERTEXBUFFER_DESC Desc;
 238     HRESULT hr;
 239     TRACE("(%p)->(%08x,%p,%p)\n", This, Flags, Data, Size);
 240
 241     EnterCriticalSection(&ddraw_cs);
 242     if(Size)
 243     {
 244         /* Get the size, for returning it, and for locking */
 245         hr = IWineD3DBuffer_GetDesc(This->wineD3DVertexBuffer, &Desc);
 246         if(hr != D3D_OK)
 247         {
 248             ERR("(%p) IWineD3DVertexBuffer::GetDesc failed with hr=%08x\n", This, hr);
 249             LeaveCriticalSection(&ddraw_cs);
 250             return hr;
 251         }
 252         *Size = Desc.Size;
 253     }
 254
 255     hr = IWineD3DBuffer_Map(This->wineD3DVertexBuffer, 0 /* OffsetToLock */,
 256             0 /* SizeToLock, 0 == Full lock */, (BYTE **)Data, Flags);
 257     LeaveCriticalSection(&ddraw_cs);
 258     return hr;
 259 }
 260
 261 static HRESULT WINAPI
 262 Thunk_IDirect3DVertexBufferImpl_1_Lock(IDirect3DVertexBuffer *iface,
 263                                        DWORD Flags,
 264                                        void **Data,
 265                                        DWORD *Size)
 266 {
 267     IDirect3DVertexBufferImpl *This = vb_from_vb1(iface);
 268     TRACE_(ddraw_thunk)("(%p)->(%08x,%p,%p) thunking to IDirect3DVertexBuffer7 interface.\n", This, Flags, Data, Size);
 269
 270     return IDirect3DVertexBuffer7_Lock((IDirect3DVertexBuffer7 *)This, Flags, Data, Size);
 271 }
 272
 273 /*****************************************************************************
 274  * IDirect3DVertexBuffer7::Unlock
 275  *
 276  * Unlocks a vertex Buffer
 277  *
 278  * Returns:
 279  *  D3D_OK on success
 280  *
 281  *****************************************************************************/
 282 static HRESULT WINAPI
 283 IDirect3DVertexBufferImpl_Unlock(IDirect3DVertexBuffer7 *iface)
 284 {
 285     IDirect3DVertexBufferImpl *This = (IDirect3DVertexBufferImpl *)iface;
 286     HRESULT hr;
 287     TRACE("(%p)->()\n", This);
 288
 289     EnterCriticalSection(&ddraw_cs);
 290     hr = IWineD3DBuffer_Unmap(This->wineD3DVertexBuffer);
 291     LeaveCriticalSection(&ddraw_cs);
 292
 293     return hr;
 294 }
 295
 296 static HRESULT WINAPI
 297 Thunk_IDirect3DVertexBufferImpl_1_Unlock(IDirect3DVertexBuffer *iface)
 298 {
 299     IDirect3DVertexBufferImpl *This = vb_from_vb1(iface);
 300     TRACE_(ddraw_thunk)("(%p)->() thunking to IDirect3DVertexBuffer7 interface.\n", This);
 301
 302     return IDirect3DVertexBuffer7_Unlock((IDirect3DVertexBuffer7 *)This);
 303 }
 304
 305
 306 /*****************************************************************************
 307  * IDirect3DVertexBuffer7::ProcessVertices
 308  *
 309  * Processes untransformed Vertices into a transformed or optimized vertex
 310  * buffer. It can also perform other operations, such as lighting or clipping
 311  *
 312  * Params
 313  *  VertexOp: Operation(s) to perform: D3DVOP_CLIP, _EXTENTS, _LIGHT, _TRANSFORM
 314  *  DestIndex: Index in the destination buffer(This), where the vertices are
 315  *             placed
 316  *  Count: Number of Vertices in the Source buffer to process
 317  *  SrcBuffer: Source vertex buffer
 318  *  SrcIndex: Index of the first vertex in the src buffer to process
 319  *  D3DDevice: Device to use for transformation
 320  *  Flags: 0 for default, D3DPV_DONOTCOPYDATA to prevent copying
 321  *         unchaned vertices
 322  *
 323  * Returns:
 324  *  D3D_OK on success
 325  *  DDERR_INVALIDPARAMS If D3DVOP_TRANSFORM wasn't passed
 326  *
 327  *****************************************************************************/
 328 static HRESULT WINAPI
 329 IDirect3DVertexBufferImpl_ProcessVertices(IDirect3DVertexBuffer7 *iface,
 330                                           DWORD VertexOp,
 331                                           DWORD DestIndex,
 332                                           DWORD Count,
 333                                           IDirect3DVertexBuffer7 *SrcBuffer,
 334                                           DWORD SrcIndex,
 335                                           IDirect3DDevice7 *D3DDevice,
 336                                           DWORD Flags)
 337 {
 338     IDirect3DVertexBufferImpl *This = (IDirect3DVertexBufferImpl *)iface;
 339     IDirect3DVertexBufferImpl *Src = (IDirect3DVertexBufferImpl *)SrcBuffer;
 340     IDirect3DDeviceImpl *D3D = (IDirect3DDeviceImpl *)D3DDevice;
 341     BOOL oldClip, doClip;
 342     HRESULT hr;
 343     WINED3DVERTEXBUFFER_DESC Desc;
 344
 345     TRACE("(%p)->(%08x,%d,%d,%p,%d,%p,%08x)\n", This, VertexOp, DestIndex, Count, Src, SrcIndex, D3D, Flags);
 346
 347     /* Vertex operations:
 348      * D3DVOP_CLIP: Clips vertices outside the viewing frustrum. Needs clipping information
 349      * in the vertex buffer (Buffer may not be created with D3DVBCAPS_DONOTCLIP)
 350      * D3DVOP_EXTENTS: Causes the screen extents to be updated when rendering the vertices
 351      * D3DVOP_LIGHT: Lights the vertices
 352      * D3DVOP_TRANSFORM: Transform the vertices. This flag is necessary
 353      *
 354      * WineD3D only transforms and clips the vertices by now, so EXTENTS and LIGHT
 355      * are not implemented. Clipping is disabled ATM, because of unsure conditions.
 356      */
 357     if( !(VertexOp & D3DVOP_TRANSFORM) ) return DDERR_INVALIDPARAMS;
 358
 359     EnterCriticalSection(&ddraw_cs);
 360     /* WineD3D doesn't know d3d7 vertex operation, it uses
 361      * render states instead. Set the render states according to
 362      * the vertex ops
 363      */
 364     doClip = VertexOp & D3DVOP_CLIP ? TRUE : FALSE;
 365     IWineD3DDevice_GetRenderState(D3D->wineD3DDevice,
 366                                   WINED3DRS_CLIPPING,
 367                                   (DWORD *) &oldClip);
 368     if(doClip != oldClip)
 369     {
 370         IWineD3DDevice_SetRenderState(D3D->wineD3DDevice,
 371                                       WINED3DRS_CLIPPING,
 372                                       doClip);
 373     }
 374
 375     IWineD3DBuffer_GetDesc(Src->wineD3DVertexBuffer, &Desc);
 376     IWineD3DDevice_SetStreamSource(D3D->wineD3DDevice,
 377                                    0, /* Stream No */
 378                                    Src->wineD3DVertexBuffer,
 379                                    0, /* Offset */
 380                                    get_flexible_vertex_size(Desc.FVF));
 381     IWineD3DDevice_SetVertexDeclaration(D3D->wineD3DDevice,
 382                                         Src->wineD3DVertexDeclaration);
 383     hr = IWineD3DDevice_ProcessVertices(D3D->wineD3DDevice,
 384                                         SrcIndex,
 385                                         DestIndex,
 386                                         Count,
 387                                         This->wineD3DVertexBuffer,
 388                                         NULL /* Output vdecl */,
 389                                         Flags);
 390
 391     /* Restore the states if needed */
 392     if(doClip != oldClip)
 393         IWineD3DDevice_SetRenderState(D3D->wineD3DDevice,
 394                                       WINED3DRS_CLIPPING,
 395                                       oldClip);
 396     LeaveCriticalSection(&ddraw_cs);
 397     return hr;
 398 }
 399
 400 static HRESULT WINAPI
 401 Thunk_IDirect3DVertexBufferImpl_1_ProcessVertices(IDirect3DVertexBuffer *iface,
 402                                                   DWORD VertexOp,
 403                                                   DWORD DestIndex,
 404                                                   DWORD Count,
 405                                                   IDirect3DVertexBuffer *SrcBuffer,
 406                                                   DWORD SrcIndex,
 407                                                   IDirect3DDevice3 *D3DDevice,
 408                                                   DWORD Flags)
 409 {
 410     IDirect3DVertexBufferImpl *This = vb_from_vb1(iface);
 411     IDirect3DVertexBufferImpl *Src = SrcBuffer ? vb_from_vb1(SrcBuffer) : NULL;
 412     IDirect3DDeviceImpl *D3D = D3DDevice ? device_from_device3(D3DDevice) : NULL;
 413
 414     TRACE_(ddraw_thunk)("(%p)->(%08x,%08x,%08x,%p,%08x,%p,%08x) thunking to IDirect3DVertexBuffer7 interface.\n", This, VertexOp, DestIndex, Count, Src, SrcIndex, D3D, Flags);
 415
 416     return IDirect3DVertexBuffer7_ProcessVertices((IDirect3DVertexBuffer7 *)This, VertexOp, DestIndex,
 417             Count, (IDirect3DVertexBuffer7 *)Src, SrcIndex, (IDirect3DDevice7 *)D3D, Flags);
 418 }
 419
 420 /*****************************************************************************
 421  * IDirect3DVertexBuffer7::GetVertexBufferDesc
 422  *
 423  * Returns the description of a vertex buffer
 424  *
 425  * Params:
 426  *  Desc: Address to write the description to
 427  *
 428  * Returns
 429  *  DDERR_INVALIDPARAMS if Desc is NULL
 430  *  D3D_OK on success
 431  *
 432  *****************************************************************************/
 433 static HRESULT WINAPI
 434 IDirect3DVertexBufferImpl_GetVertexBufferDesc(IDirect3DVertexBuffer7 *iface,
 435                                               D3DVERTEXBUFFERDESC *Desc)
 436 {
 437     IDirect3DVertexBufferImpl *This = (IDirect3DVertexBufferImpl *)iface;
 438     WINED3DVERTEXBUFFER_DESC WDesc;
 439     HRESULT hr;
 440     TRACE("(%p)->(%p)\n", This, Desc);
 441
 442     if(!Desc) return DDERR_INVALIDPARAMS;
 443
 444     EnterCriticalSection(&ddraw_cs);
 445     hr = IWineD3DBuffer_GetDesc(This->wineD3DVertexBuffer, &WDesc);
 446     if(hr != D3D_OK)
 447     {
 448         ERR("(%p) IWineD3DVertexBuffer::GetDesc failed with hr=%08x\n", This, hr);
 449         LeaveCriticalSection(&ddraw_cs);
 450         return hr;
 451     }
 452
 453     /* Now fill the Desc structure */
 454     Desc->dwCaps = This->Caps;
 455     Desc->dwFVF = WDesc.FVF;
 456     Desc->dwNumVertices = WDesc.Size / get_flexible_vertex_size(WDesc.FVF);
 457     LeaveCriticalSection(&ddraw_cs);
 458
 459     return D3D_OK;
 460 }
 461
 462 static HRESULT WINAPI
 463 Thunk_IDirect3DVertexBufferImpl_1_GetVertexBufferDesc(IDirect3DVertexBuffer *iface,
 464                                                       D3DVERTEXBUFFERDESC *Desc)
 465 {
 466     IDirect3DVertexBufferImpl *This = vb_from_vb1(iface);
 467     TRACE_(ddraw_thunk)("(%p)->(%p) thunking to IDirect3DVertexBuffer7 interface.\n", This, Desc);
 468
 469     return IDirect3DVertexBuffer7_GetVertexBufferDesc((IDirect3DVertexBuffer7 *)This, Desc);
 470 }
 471
 472
 473 /*****************************************************************************
 474  * IDirect3DVertexBuffer7::Optimize
 475  *
 476  * Converts an unoptimized vertex buffer into an optimized buffer
 477  *
 478  * Params:
 479  *  D3DDevice: Device for which this buffer is optimized
 480  *  Flags: Not used, should be set to 0
 481  *
 482  * Returns
 483  *  D3D_OK, because it's a stub
 484  *
 485  *****************************************************************************/
 486 static HRESULT WINAPI
 487 IDirect3DVertexBufferImpl_Optimize(IDirect3DVertexBuffer7 *iface,
 488                                    IDirect3DDevice7 *D3DDevice,
 489                                    DWORD Flags)
 490 {
 491     IDirect3DVertexBufferImpl *This = (IDirect3DVertexBufferImpl *)iface;
 492     IDirect3DDeviceImpl *D3D = (IDirect3DDeviceImpl *)D3DDevice;
 493     static BOOL hide = FALSE;
 494
 495     if (!hide)
 496     {
 497         FIXME("(%p)->(%p,%08x): stub!\n", This, D3D, Flags);
 498         hide = TRUE;
 499     }
 500
 501     /* We could forward this call to WineD3D and take advantage
 502      * of it once we use OpenGL vertex buffers
 503      */
 504     EnterCriticalSection(&ddraw_cs);
 505     This->Caps |= D3DVBCAPS_OPTIMIZED;
 506     LeaveCriticalSection(&ddraw_cs);
 507
 508     return DD_OK;
 509 }
 510
 511 static HRESULT WINAPI
 512 Thunk_IDirect3DVertexBufferImpl_1_Optimize(IDirect3DVertexBuffer *iface,
 513                                            IDirect3DDevice3 *D3DDevice,
 514                                            DWORD Flags)
 515 {
 516     IDirect3DVertexBufferImpl *This = vb_from_vb1(iface);
 517     IDirect3DDeviceImpl *D3D = D3DDevice ? device_from_device3(D3DDevice) : NULL;
 518     TRACE_(ddraw_thunk)("(%p)->(%p,%08x) thunking to IDirect3DVertexBuffer7 interface.\n", This, D3D, Flags);
 519
 520     return IDirect3DVertexBuffer7_Optimize((IDirect3DVertexBuffer7 *)This, (IDirect3DDevice7 *)D3D, Flags);
 521 }
 522
 523 /*****************************************************************************
 524  * IDirect3DVertexBuffer7::ProcessVerticesStrided
 525  *
 526  * This method processes untransformed strided vertices into a processed
 527  * or optimized vertex buffer.
 528  *
 529  * For more details on the parameters, see
 530  * IDirect3DVertexBuffer7::ProcessVertices
 531  *
 532  * Params:
 533  *  VertexOp: Operations to perform
 534  *  DestIndex: Destination index to write the vertices to
 535  *  Count: Number of input vertices
 536  *  StrideData: Array containing the input vertices
 537  *  VertexTypeDesc: Vertex Description or source index?????????
 538  *  D3DDevice: IDirect3DDevice7 to use for processing
 539  *  Flags: Can be D3DPV_DONOTCOPYDATA to avoid copying unmodified vertices
 540  *
 541  * Returns
 542  *  D3D_OK on success, or DDERR_*
 543  *
 544  *****************************************************************************/
 545 static HRESULT WINAPI
 546 IDirect3DVertexBufferImpl_ProcessVerticesStrided(IDirect3DVertexBuffer7 *iface,
 547                                                  DWORD VertexOp,
 548                                                  DWORD DestIndex,
 549                                                  DWORD Count,
 550                                                  D3DDRAWPRIMITIVESTRIDEDDATA *StrideData,
 551                                                  DWORD VertexTypeDesc,
 552                                                  IDirect3DDevice7 *D3DDevice,
 553                                                  DWORD Flags)
 554 {
 555     IDirect3DVertexBufferImpl *This = (IDirect3DVertexBufferImpl *)iface;
 556     IDirect3DDeviceImpl *D3D = (IDirect3DDeviceImpl *)D3DDevice;
 557     FIXME("(%p)->(%08x,%08x,%08x,%p,%08x,%p,%08x): stub!\n", This, VertexOp, DestIndex, Count, StrideData, VertexTypeDesc, D3D, Flags);
 558     return DD_OK;
 559 }
 560
 561 /*****************************************************************************
 562  * The VTables
 563  *****************************************************************************/
 564
 565 const IDirect3DVertexBuffer7Vtbl IDirect3DVertexBuffer7_Vtbl =
 566 {
 567     /*** IUnknown Methods ***/
 568     IDirect3DVertexBufferImpl_QueryInterface,
 569     IDirect3DVertexBufferImpl_AddRef,
 570     IDirect3DVertexBufferImpl_Release,
 571     /*** IDirect3DVertexBuffer Methods ***/
 572     IDirect3DVertexBufferImpl_Lock,
 573     IDirect3DVertexBufferImpl_Unlock,
 574     IDirect3DVertexBufferImpl_ProcessVertices,
 575     IDirect3DVertexBufferImpl_GetVertexBufferDesc,
 576     IDirect3DVertexBufferImpl_Optimize,
 577     /*** IDirect3DVertexBuffer7 Methods ***/
 578     IDirect3DVertexBufferImpl_ProcessVerticesStrided
 579 };
 580
 581 const IDirect3DVertexBufferVtbl IDirect3DVertexBuffer1_Vtbl =
 582 {
 583     /*** IUnknown Methods ***/
 584     Thunk_IDirect3DVertexBufferImpl_1_QueryInterface,
 585     Thunk_IDirect3DVertexBufferImpl_1_AddRef,
 586     Thunk_IDirect3DVertexBufferImpl_1_Release,
 587     /*** IDirect3DVertexBuffer Methods ***/
 588     Thunk_IDirect3DVertexBufferImpl_1_Lock,
 589     Thunk_IDirect3DVertexBufferImpl_1_Unlock,
 590     Thunk_IDirect3DVertexBufferImpl_1_ProcessVertices,
 591     Thunk_IDirect3DVertexBufferImpl_1_GetVertexBufferDesc,
 592     Thunk_IDirect3DVertexBufferImpl_1_Optimize
 593 };