dlls/ddraw/vertexbuffer.c

   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
  25 #include "ddraw_private.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  28
  29 static inline struct d3d_vertex_buffer *impl_from_IDirect3DVertexBuffer(IDirect3DVertexBuffer *iface)
  30 {
  31     return CONTAINING_RECORD(iface, struct d3d_vertex_buffer, IDirect3DVertexBuffer_iface);
  32 }
  33
  34 static inline struct d3d_vertex_buffer *impl_from_IDirect3DVertexBuffer7(IDirect3DVertexBuffer7 *iface)
  35 {
  36     return CONTAINING_RECORD(iface, struct d3d_vertex_buffer, IDirect3DVertexBuffer7_iface);
  37 }
  38
  39 /*****************************************************************************
  40  * IUnknown Methods
  41  *****************************************************************************/
  42
  43 /*****************************************************************************
  44  * IDirect3DVertexBuffer7::QueryInterface
  45  *
  46  * The QueryInterface Method for Vertex Buffers
  47  * For a link to QueryInterface rules, see IDirectDraw7::QueryInterface
  48  *
  49  * Params
  50  *  riid: Queried Interface id
  51  *  obj: Address to return the interface pointer
  52  *
  53  * Returns:
  54  *  S_OK on success
  55  *  E_NOINTERFACE if the interface wasn't found
  56  *
  57  *****************************************************************************/
  58 static HRESULT WINAPI d3d_vertex_buffer7_QueryInterface(IDirect3DVertexBuffer7 *iface, REFIID riid, void  **obj)
  59 {
  60     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer7(iface);
  61
  62     TRACE("iface %p, riid %s, object %p.\n", iface, debugstr_guid(riid), obj);
  63
  64     /* By default, set the object pointer to NULL */
  65     *obj = NULL;
  66
  67     if ( IsEqualGUID( &IID_IUnknown,  riid ) )
  68     {
  69         IDirect3DVertexBuffer7_AddRef(iface);
  70         *obj = iface;
  71         TRACE("  Creating IUnknown interface at %p.\n", *obj);
  72         return S_OK;
  73     }
  74     if ( IsEqualGUID( &IID_IDirect3DVertexBuffer, riid ) )
  75     {
  76         IDirect3DVertexBuffer7_AddRef(iface);
  77         *obj = &buffer->IDirect3DVertexBuffer_iface;
  78         TRACE("  Creating IDirect3DVertexBuffer interface %p\n", *obj);
  79         return S_OK;
  80     }
  81     if ( IsEqualGUID( &IID_IDirect3DVertexBuffer7, riid ) )
  82     {
  83         IDirect3DVertexBuffer7_AddRef(iface);
  84         *obj = iface;
  85         TRACE("  Creating IDirect3DVertexBuffer7 interface %p\n", *obj);
  86         return S_OK;
  87     }
  88
  89     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
  90
  91     return E_NOINTERFACE;
  92 }
  93
  94 static HRESULT WINAPI d3d_vertex_buffer1_QueryInterface(IDirect3DVertexBuffer *iface, REFIID riid, void **obj)
  95 {
  96     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer(iface);
  97
  98     TRACE("iface %p, riid %s, object %p.\n", iface, debugstr_guid(riid), obj);
  99
 100     return d3d_vertex_buffer7_QueryInterface(&buffer->IDirect3DVertexBuffer7_iface, riid, obj);
 101 }
 102
 103 /*****************************************************************************
 104  * IDirect3DVertexBuffer7::AddRef
 105  *
 106  * AddRef for Vertex Buffers
 107  *
 108  * Returns:
 109  *  The new refcount
 110  *
 111  *****************************************************************************/
 112 static ULONG WINAPI d3d_vertex_buffer7_AddRef(IDirect3DVertexBuffer7 *iface)
 113 {
 114     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer7(iface);
 115     ULONG ref = InterlockedIncrement(&buffer->ref);
 116
 117     TRACE("%p increasing refcount to %u.\n", buffer, ref);
 118
 119     return ref;
 120 }
 121
 122 static ULONG WINAPI d3d_vertex_buffer1_AddRef(IDirect3DVertexBuffer *iface)
 123 {
 124     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer(iface);
 125
 126     TRACE("iface %p.\n", iface);
 127
 128     return d3d_vertex_buffer7_AddRef(&buffer->IDirect3DVertexBuffer7_iface);
 129 }
 130
 131
 132 /*****************************************************************************
 133  * IDirect3DVertexBuffer7::Release
 134  *
 135  * Release for Vertex Buffers
 136  *
 137  * Returns:
 138  *  The new refcount
 139  *
 140  *****************************************************************************/
 141 static ULONG WINAPI d3d_vertex_buffer7_Release(IDirect3DVertexBuffer7 *iface)
 142 {
 143     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer7(iface);
 144     ULONG ref = InterlockedDecrement(&buffer->ref);
 145
 146     TRACE("%p decreasing refcount to %u.\n", buffer, ref);
 147
 148     if (ref == 0)
 149     {
 150         struct wined3d_buffer *curVB = NULL;
 151         UINT offset, stride;
 152
 153         /* D3D7 Vertex buffers don't stay bound in the device, they are passed
 154          * as a parameter to drawPrimitiveVB. DrawPrimitiveVB sets them as the
 155          * stream source in wined3d, and they should get unset there before
 156          * they are destroyed. */
 157         wined3d_mutex_lock();
 158         wined3d_device_get_stream_source(buffer->ddraw->wined3d_device,
 159                 0, &curVB, &offset, &stride);
 160         if (curVB == buffer->wineD3DVertexBuffer)
 161             wined3d_device_set_stream_source(buffer->ddraw->wined3d_device, 0, NULL, 0, 0);
 162
 163         wined3d_vertex_declaration_decref(buffer->wineD3DVertexDeclaration);
 164         wined3d_buffer_decref(buffer->wineD3DVertexBuffer);
 165         wined3d_mutex_unlock();
 166
 167         HeapFree(GetProcessHeap(), 0, buffer);
 168     }
 169
 170     return ref;
 171 }
 172
 173 static ULONG WINAPI d3d_vertex_buffer1_Release(IDirect3DVertexBuffer *iface)
 174 {
 175     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer(iface);
 176
 177     TRACE("iface %p.\n", iface);
 178
 179     return d3d_vertex_buffer7_Release(&buffer->IDirect3DVertexBuffer7_iface);
 180 }
 181
 182 /*****************************************************************************
 183  * IDirect3DVertexBuffer Methods
 184  *****************************************************************************/
 185
 186 static HRESULT d3d_vertex_buffer_create_wined3d_buffer(struct d3d_vertex_buffer *buffer, BOOL dynamic,
 187         struct wined3d_buffer **wined3d_buffer)
 188 {
 189     DWORD usage = WINED3DUSAGE_STATICDECL;
 190     enum wined3d_pool pool;
 191
 192     if (buffer->Caps & D3DVBCAPS_SYSTEMMEMORY)
 193         pool = WINED3D_POOL_SYSTEM_MEM;
 194     else
 195         pool = WINED3D_POOL_DEFAULT;
 196
 197     if (buffer->Caps & D3DVBCAPS_WRITEONLY)
 198         usage |= WINED3DUSAGE_WRITEONLY;
 199     if (dynamic)
 200         usage |= WINED3DUSAGE_DYNAMIC;
 201
 202     return wined3d_buffer_create_vb(buffer->ddraw->wined3d_device,
 203         buffer->size, usage, pool, buffer, &ddraw_null_wined3d_parent_ops,
 204         wined3d_buffer);
 205 }
 206
 207 /*****************************************************************************
 208  * IDirect3DVertexBuffer7::Lock
 209  *
 210  * Locks the vertex buffer and returns a pointer to the vertex data
 211  * Locking vertex buffers is similar to locking surfaces, because Windows
 212  * uses surfaces to store vertex data internally (According to the DX sdk)
 213  *
 214  * Params:
 215  *  Flags: Locking flags. Relevant here are DDLOCK_READONLY, DDLOCK_WRITEONLY,
 216  *         DDLOCK_DISCARDCONTENTS and DDLOCK_NOOVERWRITE.
 217  *  Data:  Returns a pointer to the vertex data
 218  *  Size:  Returns the size of the buffer if not NULL
 219  *
 220  * Returns:
 221  *  D3D_OK on success
 222  *  DDERR_INVALIDPARAMS if Data is NULL
 223  *  D3DERR_VERTEXBUFFEROPTIMIZED if called on an optimized buffer(WineD3D)
 224  *
 225  *****************************************************************************/
 226 static HRESULT WINAPI d3d_vertex_buffer7_Lock(IDirect3DVertexBuffer7 *iface,
 227         DWORD flags, void **data, DWORD *data_size)
 228 {
 229     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer7(iface);
 230     struct wined3d_resource_desc wined3d_desc;
 231     struct wined3d_resource *wined3d_resource;
 232     HRESULT hr;
 233     DWORD wined3d_flags = 0;
 234
 235     TRACE("iface %p, flags %#x, data %p, data_size %p.\n", iface, flags, data, data_size);
 236
 237     /* Writeonly: Pointless. Event: Unsupported by native according to the sdk
 238      * nosyslock: Not applicable
 239      */
 240     if (!(flags & DDLOCK_WAIT))
 241         wined3d_flags |= WINED3D_MAP_DONOTWAIT;
 242     if (flags & DDLOCK_READONLY)
 243         wined3d_flags |= WINED3D_MAP_READONLY;
 244     if (flags & DDLOCK_NOOVERWRITE)
 245         wined3d_flags |= WINED3D_MAP_NOOVERWRITE;
 246     if (flags & DDLOCK_DISCARDCONTENTS)
 247     {
 248         wined3d_flags |= WINED3D_MAP_DISCARD;
 249
 250         if (!buffer->dynamic)
 251         {
 252             struct wined3d_buffer *new_buffer;
 253             wined3d_mutex_lock();
 254             hr = d3d_vertex_buffer_create_wined3d_buffer(buffer, TRUE, &new_buffer);
 255             if (SUCCEEDED(hr))
 256             {
 257                 buffer->dynamic = TRUE;
 258                 wined3d_buffer_decref(buffer->wineD3DVertexBuffer);
 259                 buffer->wineD3DVertexBuffer = new_buffer;
 260             }
 261             else
 262             {
 263                 WARN("Failed to create a dynamic buffer\n");
 264             }
 265             wined3d_mutex_unlock();
 266         }
 267     }
 268
 269     wined3d_mutex_lock();
 270     if (data_size)
 271     {
 272         /* Get the size, for returning it, and for locking */
 273         wined3d_resource = wined3d_buffer_get_resource(buffer->wineD3DVertexBuffer);
 274         wined3d_resource_get_desc(wined3d_resource, &wined3d_desc);
 275         *data_size = wined3d_desc.size;
 276     }
 277
 278     hr = wined3d_buffer_map(buffer->wineD3DVertexBuffer, 0, 0, (BYTE **)data, wined3d_flags);
 279
 280     wined3d_mutex_unlock();
 281
 282     return hr;
 283 }
 284
 285 static HRESULT WINAPI d3d_vertex_buffer1_Lock(IDirect3DVertexBuffer *iface,
 286         DWORD flags, void **data, DWORD *data_size)
 287 {
 288     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer(iface);
 289
 290     TRACE("iface %p, flags %#x, data %p, data_size %p.\n", iface, flags, data, data_size);
 291
 292     return d3d_vertex_buffer7_Lock(&buffer->IDirect3DVertexBuffer7_iface, flags, data, data_size);
 293 }
 294
 295 /*****************************************************************************
 296  * IDirect3DVertexBuffer7::Unlock
 297  *
 298  * Unlocks a vertex Buffer
 299  *
 300  * Returns:
 301  *  D3D_OK on success
 302  *
 303  *****************************************************************************/
 304 static HRESULT WINAPI d3d_vertex_buffer7_Unlock(IDirect3DVertexBuffer7 *iface)
 305 {
 306     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer7(iface);
 307
 308     TRACE("iface %p.\n", iface);
 309
 310     wined3d_mutex_lock();
 311     wined3d_buffer_unmap(buffer->wineD3DVertexBuffer);
 312     wined3d_mutex_unlock();
 313
 314     return D3D_OK;
 315 }
 316
 317 static HRESULT WINAPI d3d_vertex_buffer1_Unlock(IDirect3DVertexBuffer *iface)
 318 {
 319     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer(iface);
 320
 321     TRACE("iface %p.\n", iface);
 322
 323     return d3d_vertex_buffer7_Unlock(&buffer->IDirect3DVertexBuffer7_iface);
 324 }
 325
 326
 327 /*****************************************************************************
 328  * IDirect3DVertexBuffer7::ProcessVertices
 329  *
 330  * Processes untransformed Vertices into a transformed or optimized vertex
 331  * buffer. It can also perform other operations, such as lighting or clipping
 332  *
 333  * Params
 334  *  VertexOp: Operation(s) to perform: D3DVOP_CLIP, _EXTENTS, _LIGHT, _TRANSFORM
 335  *  DestIndex: Index in the destination buffer(This), where the vertices are
 336  *             placed
 337  *  Count: Number of Vertices in the Source buffer to process
 338  *  SrcBuffer: Source vertex buffer
 339  *  SrcIndex: Index of the first vertex in the src buffer to process
 340  *  D3DDevice: Device to use for transformation
 341  *  Flags: 0 for default, D3DPV_DONOTCOPYDATA to prevent copying
 342  *         unchaned vertices
 343  *
 344  * Returns:
 345  *  D3D_OK on success
 346  *  DDERR_INVALIDPARAMS If D3DVOP_TRANSFORM wasn't passed
 347  *
 348  *****************************************************************************/
 349 static HRESULT WINAPI d3d_vertex_buffer7_ProcessVertices(IDirect3DVertexBuffer7 *iface,
 350         DWORD vertex_op, DWORD dst_idx, DWORD count, IDirect3DVertexBuffer7 *src_buffer,
 351         DWORD src_idx, IDirect3DDevice7 *device, DWORD flags)
 352 {
 353     struct d3d_vertex_buffer *dst_buffer_impl = impl_from_IDirect3DVertexBuffer7(iface);
 354     struct d3d_vertex_buffer *src_buffer_impl = unsafe_impl_from_IDirect3DVertexBuffer7(src_buffer);
 355     struct d3d_device *device_impl = unsafe_impl_from_IDirect3DDevice7(device);
 356     BOOL oldClip, doClip;
 357     HRESULT hr;
 358
 359     TRACE("iface %p, vertex_op %#x, dst_idx %u, count %u, src_buffer %p, src_idx %u, device %p, flags %#x.\n",
 360             iface, vertex_op, dst_idx, count, src_buffer, src_idx, device, flags);
 361
 362     /* Vertex operations:
 363      * D3DVOP_CLIP: Clips vertices outside the viewing frustrum. Needs clipping information
 364      * in the vertex buffer (Buffer may not be created with D3DVBCAPS_DONOTCLIP)
 365      * D3DVOP_EXTENTS: Causes the screen extents to be updated when rendering the vertices
 366      * D3DVOP_LIGHT: Lights the vertices
 367      * D3DVOP_TRANSFORM: Transform the vertices. This flag is necessary
 368      *
 369      * WineD3D only transforms and clips the vertices by now, so EXTENTS and LIGHT
 370      * are not implemented. Clipping is disabled ATM, because of unsure conditions.
 371      */
 372     if (!(vertex_op & D3DVOP_TRANSFORM))
 373         return DDERR_INVALIDPARAMS;
 374
 375     wined3d_mutex_lock();
 376
 377     /* WineD3D doesn't know d3d7 vertex operation, it uses
 378      * render states instead. Set the render states according to
 379      * the vertex ops
 380      */
 381     doClip = !!(vertex_op & D3DVOP_CLIP);
 382     oldClip = wined3d_device_get_render_state(device_impl->wined3d_device, WINED3D_RS_CLIPPING);
 383     if (doClip != oldClip)
 384         wined3d_device_set_render_state(device_impl->wined3d_device, WINED3D_RS_CLIPPING, doClip);
 385
 386     wined3d_device_set_stream_source(device_impl->wined3d_device,
 387             0, src_buffer_impl->wineD3DVertexBuffer, 0, get_flexible_vertex_size(src_buffer_impl->fvf));
 388     wined3d_device_set_vertex_declaration(device_impl->wined3d_device, src_buffer_impl->wineD3DVertexDeclaration);
 389     hr = wined3d_device_process_vertices(device_impl->wined3d_device, src_idx, dst_idx,
 390             count, dst_buffer_impl->wineD3DVertexBuffer, NULL, flags, dst_buffer_impl->fvf);
 391
 392     /* Restore the states if needed */
 393     if (doClip != oldClip)
 394         wined3d_device_set_render_state(device_impl->wined3d_device, WINED3D_RS_CLIPPING, oldClip);
 395
 396     wined3d_mutex_unlock();
 397
 398     return hr;
 399 }
 400
 401 static HRESULT WINAPI d3d_vertex_buffer1_ProcessVertices(IDirect3DVertexBuffer *iface,
 402         DWORD vertex_op, DWORD dst_idx, DWORD count, IDirect3DVertexBuffer *src_buffer,
 403         DWORD src_idx, IDirect3DDevice3 *device, DWORD flags)
 404 {
 405     struct d3d_vertex_buffer *dst_buffer_impl = impl_from_IDirect3DVertexBuffer(iface);
 406     struct d3d_vertex_buffer *src_buffer_impl = unsafe_impl_from_IDirect3DVertexBuffer(src_buffer);
 407     struct d3d_device *device_impl = unsafe_impl_from_IDirect3DDevice3(device);
 408
 409     TRACE("iface %p, vertex_op %#x, dst_idx %u, count %u, src_buffer %p, src_idx %u, device %p, flags %#x.\n",
 410             iface, vertex_op, dst_idx, count, src_buffer, src_idx, device, flags);
 411
 412     return d3d_vertex_buffer7_ProcessVertices(&dst_buffer_impl->IDirect3DVertexBuffer7_iface, vertex_op,
 413             dst_idx, count, &src_buffer_impl->IDirect3DVertexBuffer7_iface, src_idx,
 414             device_impl ? &device_impl->IDirect3DDevice7_iface : NULL, flags);
 415 }
 416
 417 /*****************************************************************************
 418  * IDirect3DVertexBuffer7::GetVertexBufferDesc
 419  *
 420  * Returns the description of a vertex buffer
 421  *
 422  * Params:
 423  *  Desc: Address to write the description to
 424  *
 425  * Returns
 426  *  DDERR_INVALIDPARAMS if Desc is NULL
 427  *  D3D_OK on success
 428  *
 429  *****************************************************************************/
 430 static HRESULT WINAPI d3d_vertex_buffer7_GetVertexBufferDesc(IDirect3DVertexBuffer7 *iface, D3DVERTEXBUFFERDESC *desc)
 431 {
 432     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer7(iface);
 433     struct wined3d_resource_desc wined3d_desc;
 434     struct wined3d_resource *wined3d_resource;
 435
 436     TRACE("iface %p, desc %p.\n", iface, desc);
 437
 438     if (!desc) return DDERR_INVALIDPARAMS;
 439
 440     wined3d_mutex_lock();
 441     wined3d_resource = wined3d_buffer_get_resource(buffer->wineD3DVertexBuffer);
 442     wined3d_resource_get_desc(wined3d_resource, &wined3d_desc);
 443     wined3d_mutex_unlock();
 444
 445     /* Now fill the desc structure */
 446     desc->dwCaps = buffer->Caps;
 447     desc->dwFVF = buffer->fvf;
 448     desc->dwNumVertices = wined3d_desc.size / get_flexible_vertex_size(buffer->fvf);
 449
 450     return D3D_OK;
 451 }
 452
 453 static HRESULT WINAPI d3d_vertex_buffer1_GetVertexBufferDesc(IDirect3DVertexBuffer *iface, D3DVERTEXBUFFERDESC *desc)
 454 {
 455     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer(iface);
 456
 457     TRACE("iface %p, desc %p.\n", iface, desc);
 458
 459     return d3d_vertex_buffer7_GetVertexBufferDesc(&buffer->IDirect3DVertexBuffer7_iface, desc);
 460 }
 461
 462
 463 /*****************************************************************************
 464  * IDirect3DVertexBuffer7::Optimize
 465  *
 466  * Converts an unoptimized vertex buffer into an optimized buffer
 467  *
 468  * Params:
 469  *  D3DDevice: Device for which this buffer is optimized
 470  *  Flags: Not used, should be set to 0
 471  *
 472  * Returns
 473  *  D3D_OK, because it's a stub
 474  *
 475  *****************************************************************************/
 476 static HRESULT WINAPI d3d_vertex_buffer7_Optimize(IDirect3DVertexBuffer7 *iface,
 477         IDirect3DDevice7 *device, DWORD flags)
 478 {
 479     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer7(iface);
 480     static BOOL hide = FALSE;
 481
 482     TRACE("iface %p, device %p, flags %#x.\n", iface, device, flags);
 483
 484     if (!hide)
 485     {
 486         FIXME("iface %p, device %p, flags %#x stub!\n", iface, device, flags);
 487         hide = TRUE;
 488     }
 489
 490     /* We could forward this call to WineD3D and take advantage
 491      * of it once we use OpenGL vertex buffers
 492      */
 493     wined3d_mutex_lock();
 494     buffer->Caps |= D3DVBCAPS_OPTIMIZED;
 495     wined3d_mutex_unlock();
 496
 497     return DD_OK;
 498 }
 499
 500 static HRESULT WINAPI d3d_vertex_buffer1_Optimize(IDirect3DVertexBuffer *iface,
 501         IDirect3DDevice3 *device, DWORD flags)
 502 {
 503     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer(iface);
 504     struct d3d_device *device_impl = unsafe_impl_from_IDirect3DDevice3(device);
 505
 506     TRACE("iface %p, device %p, flags %#x.\n", iface, device, flags);
 507
 508     return d3d_vertex_buffer7_Optimize(&buffer->IDirect3DVertexBuffer7_iface,
 509             device_impl ? &device_impl->IDirect3DDevice7_iface : NULL, flags);
 510 }
 511
 512 /*****************************************************************************
 513  * IDirect3DVertexBuffer7::ProcessVerticesStrided
 514  *
 515  * This method processes untransformed strided vertices into a processed
 516  * or optimized vertex buffer.
 517  *
 518  * For more details on the parameters, see
 519  * IDirect3DVertexBuffer7::ProcessVertices
 520  *
 521  * Params:
 522  *  VertexOp: Operations to perform
 523  *  DestIndex: Destination index to write the vertices to
 524  *  Count: Number of input vertices
 525  *  StrideData: Array containing the input vertices
 526  *  VertexTypeDesc: Vertex Description or source index?????????
 527  *  D3DDevice: IDirect3DDevice7 to use for processing
 528  *  Flags: Can be D3DPV_DONOTCOPYDATA to avoid copying unmodified vertices
 529  *
 530  * Returns
 531  *  D3D_OK on success, or DDERR_*
 532  *
 533  *****************************************************************************/
 534 static HRESULT WINAPI d3d_vertex_buffer7_ProcessVerticesStrided(IDirect3DVertexBuffer7 *iface,
 535         DWORD vertex_op, DWORD dst_idx, DWORD count, D3DDRAWPRIMITIVESTRIDEDDATA *data,
 536         DWORD fvf, IDirect3DDevice7 *device, DWORD flags)
 537 {
 538     FIXME("iface %p, vertex_op %#x, dst_idx %u, count %u, data %p, fvf %#x, device %p, flags %#x stub!\n",
 539             iface, vertex_op, dst_idx, count, data, fvf, device, flags);
 540
 541     return DD_OK;
 542 }
 543
 544 /*****************************************************************************
 545  * The VTables
 546  *****************************************************************************/
 547
 548 static const struct IDirect3DVertexBuffer7Vtbl d3d_vertex_buffer7_vtbl =
 549 {
 550     d3d_vertex_buffer7_QueryInterface,
 551     d3d_vertex_buffer7_AddRef,
 552     d3d_vertex_buffer7_Release,
 553     d3d_vertex_buffer7_Lock,
 554     d3d_vertex_buffer7_Unlock,
 555     d3d_vertex_buffer7_ProcessVertices,
 556     d3d_vertex_buffer7_GetVertexBufferDesc,
 557     d3d_vertex_buffer7_Optimize,
 558     d3d_vertex_buffer7_ProcessVerticesStrided,
 559 };
 560
 561 static const struct IDirect3DVertexBufferVtbl d3d_vertex_buffer1_vtbl =
 562 {
 563     d3d_vertex_buffer1_QueryInterface,
 564     d3d_vertex_buffer1_AddRef,
 565     d3d_vertex_buffer1_Release,
 566     d3d_vertex_buffer1_Lock,
 567     d3d_vertex_buffer1_Unlock,
 568     d3d_vertex_buffer1_ProcessVertices,
 569     d3d_vertex_buffer1_GetVertexBufferDesc,
 570     d3d_vertex_buffer1_Optimize,
 571 };
 572
 573 HRESULT d3d_vertex_buffer_create(struct d3d_vertex_buffer **vertex_buf,
 574         struct ddraw *ddraw, D3DVERTEXBUFFERDESC *desc)
 575 {
 576     struct d3d_vertex_buffer *buffer;
 577     HRESULT hr = D3D_OK;
 578
 579     TRACE("Vertex buffer description:\n");
 580     TRACE("    dwSize %u\n", desc->dwSize);
 581     TRACE("    dwCaps %#x\n", desc->dwCaps);
 582     TRACE("    FVF %#x\n", desc->dwFVF);
 583     TRACE("    dwNumVertices %u\n", desc->dwNumVertices);
 584
 585     buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*buffer));
 586     if (!buffer)
 587         return DDERR_OUTOFMEMORY;
 588
 589     buffer->IDirect3DVertexBuffer7_iface.lpVtbl = &d3d_vertex_buffer7_vtbl;
 590     buffer->IDirect3DVertexBuffer_iface.lpVtbl = &d3d_vertex_buffer1_vtbl;
 591     buffer->ref = 1;
 592
 593     buffer->ddraw = ddraw;
 594     buffer->Caps = desc->dwCaps;
 595     buffer->fvf = desc->dwFVF;
 596     buffer->size = get_flexible_vertex_size(desc->dwFVF) * desc->dwNumVertices;
 597
 598     wined3d_mutex_lock();
 599
 600     hr = d3d_vertex_buffer_create_wined3d_buffer(buffer, FALSE, &buffer->wineD3DVertexBuffer);
 601     if (FAILED(hr))
 602     {
 603         WARN("Failed to create wined3d vertex buffer, hr %#x.\n", hr);
 604         if (hr == WINED3DERR_INVALIDCALL)
 605             hr = DDERR_INVALIDPARAMS;
 606         goto end;
 607     }
 608
 609     buffer->wineD3DVertexDeclaration = ddraw_find_decl(ddraw, desc->dwFVF);
 610     if (!buffer->wineD3DVertexDeclaration)
 611     {
 612         ERR("Failed to find vertex declaration for fvf %#x.\n", desc->dwFVF);
 613         wined3d_buffer_decref(buffer->wineD3DVertexBuffer);
 614         hr = DDERR_INVALIDPARAMS;
 615         goto end;
 616     }
 617     wined3d_vertex_declaration_incref(buffer->wineD3DVertexDeclaration);
 618
 619 end:
 620     wined3d_mutex_unlock();
 621     if (hr == D3D_OK)
 622         *vertex_buf = buffer;
 623     else
 624         HeapFree(GetProcessHeap(), 0, buffer);
 625
 626     return hr;
 627 }
 628
 629 struct d3d_vertex_buffer *unsafe_impl_from_IDirect3DVertexBuffer(IDirect3DVertexBuffer *iface)
 630 {
 631     if (!iface)
 632         return NULL;
 633     assert(iface->lpVtbl == &d3d_vertex_buffer1_vtbl);
 634
 635     return impl_from_IDirect3DVertexBuffer(iface);
 636 }
 637
 638 struct d3d_vertex_buffer *unsafe_impl_from_IDirect3DVertexBuffer7(IDirect3DVertexBuffer7 *iface)
 639 {
 640     if (!iface)
 641         return NULL;
 642     assert(iface->lpVtbl == &d3d_vertex_buffer7_vtbl);
 643
 644     return impl_from_IDirect3DVertexBuffer7(iface);
 645 }