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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
  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         if (curVB)
 163             wined3d_buffer_decref(curVB); /* For the GetStreamSource */
 164
 165         wined3d_vertex_declaration_decref(buffer->wineD3DVertexDeclaration);
 166         wined3d_buffer_decref(buffer->wineD3DVertexBuffer);
 167         wined3d_mutex_unlock();
 168
 169         HeapFree(GetProcessHeap(), 0, buffer);
 170     }
 171
 172     return ref;
 173 }
 174
 175 static ULONG WINAPI d3d_vertex_buffer1_Release(IDirect3DVertexBuffer *iface)
 176 {
 177     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer(iface);
 178
 179     TRACE("iface %p.\n", iface);
 180
 181     return d3d_vertex_buffer7_Release(&buffer->IDirect3DVertexBuffer7_iface);
 182 }
 183
 184 /*****************************************************************************
 185  * IDirect3DVertexBuffer Methods
 186  *****************************************************************************/
 187
 188 static HRESULT d3d_vertex_buffer_create_wined3d_buffer(struct d3d_vertex_buffer *buffer, BOOL dynamic,
 189         struct wined3d_buffer **wined3d_buffer)
 190 {
 191     DWORD usage = WINED3DUSAGE_STATICDECL;
 192     enum wined3d_pool pool;
 193
 194     if (buffer->Caps & D3DVBCAPS_SYSTEMMEMORY)
 195         pool = WINED3D_POOL_SYSTEM_MEM;
 196     else
 197         pool = WINED3D_POOL_DEFAULT;
 198
 199     if (buffer->Caps & D3DVBCAPS_WRITEONLY)
 200         usage |= WINED3DUSAGE_WRITEONLY;
 201     if (dynamic)
 202         usage |= WINED3DUSAGE_DYNAMIC;
 203
 204     return wined3d_buffer_create_vb(buffer->ddraw->wined3d_device,
 205         buffer->size, usage, pool, buffer, &ddraw_null_wined3d_parent_ops,
 206         wined3d_buffer);
 207 }
 208
 209 /*****************************************************************************
 210  * IDirect3DVertexBuffer7::Lock
 211  *
 212  * Locks the vertex buffer and returns a pointer to the vertex data
 213  * Locking vertex buffers is similar to locking surfaces, because Windows
 214  * uses surfaces to store vertex data internally (According to the DX sdk)
 215  *
 216  * Params:
 217  *  Flags: Locking flags. Relevant here are DDLOCK_READONLY, DDLOCK_WRITEONLY,
 218  *         DDLOCK_DISCARDCONTENTS and DDLOCK_NOOVERWRITE.
 219  *  Data:  Returns a pointer to the vertex data
 220  *  Size:  Returns the size of the buffer if not NULL
 221  *
 222  * Returns:
 223  *  D3D_OK on success
 224  *  DDERR_INVALIDPARAMS if Data is NULL
 225  *  D3DERR_VERTEXBUFFEROPTIMIZED if called on an optimized buffer(WineD3D)
 226  *
 227  *****************************************************************************/
 228 static HRESULT WINAPI d3d_vertex_buffer7_Lock(IDirect3DVertexBuffer7 *iface,
 229         DWORD flags, void **data, DWORD *data_size)
 230 {
 231     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer7(iface);
 232     struct wined3d_resource_desc wined3d_desc;
 233     struct wined3d_resource *wined3d_resource;
 234     HRESULT hr;
 235     DWORD wined3d_flags = 0;
 236
 237     TRACE("iface %p, flags %#x, data %p, data_size %p.\n", iface, flags, data, data_size);
 238
 239     /* Writeonly: Pointless. Event: Unsupported by native according to the sdk
 240      * nosyslock: Not applicable
 241      */
 242     if (!(flags & DDLOCK_WAIT))
 243         wined3d_flags |= WINED3D_MAP_DONOTWAIT;
 244     if (flags & DDLOCK_READONLY)
 245         wined3d_flags |= WINED3D_MAP_READONLY;
 246     if (flags & DDLOCK_NOOVERWRITE)
 247         wined3d_flags |= WINED3D_MAP_NOOVERWRITE;
 248     if (flags & DDLOCK_DISCARDCONTENTS && buffer->read_since_last_map)
 249     {
 250         wined3d_flags |= WINED3D_MAP_DISCARD;
 251
 252         if (!buffer->dynamic)
 253         {
 254             struct wined3d_buffer *new_buffer;
 255             wined3d_mutex_lock();
 256             hr = d3d_vertex_buffer_create_wined3d_buffer(buffer, TRUE, &new_buffer);
 257             if (SUCCEEDED(hr))
 258             {
 259                 buffer->dynamic = TRUE;
 260                 wined3d_buffer_decref(buffer->wineD3DVertexBuffer);
 261                 buffer->wineD3DVertexBuffer = new_buffer;
 262             }
 263             else
 264             {
 265                 WARN("Failed to create a dynamic buffer\n");
 266             }
 267             wined3d_mutex_unlock();
 268         }
 269     }
 270
 271     wined3d_mutex_lock();
 272     if (data_size)
 273     {
 274         /* Get the size, for returning it, and for locking */
 275         wined3d_resource = wined3d_buffer_get_resource(buffer->wineD3DVertexBuffer);
 276         wined3d_resource_get_desc(wined3d_resource, &wined3d_desc);
 277         *data_size = wined3d_desc.size;
 278     }
 279
 280     hr = wined3d_buffer_map(buffer->wineD3DVertexBuffer, 0, 0, (BYTE **)data, wined3d_flags);
 281
 282     if (SUCCEEDED(hr))
 283         buffer->read_since_last_map = FALSE;
 284
 285     wined3d_mutex_unlock();
 286
 287     return hr;
 288 }
 289
 290 static HRESULT WINAPI d3d_vertex_buffer1_Lock(IDirect3DVertexBuffer *iface,
 291         DWORD flags, void **data, DWORD *data_size)
 292 {
 293     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer(iface);
 294
 295     TRACE("iface %p, flags %#x, data %p, data_size %p.\n", iface, flags, data, data_size);
 296
 297     return d3d_vertex_buffer7_Lock(&buffer->IDirect3DVertexBuffer7_iface, flags, data, data_size);
 298 }
 299
 300 /*****************************************************************************
 301  * IDirect3DVertexBuffer7::Unlock
 302  *
 303  * Unlocks a vertex Buffer
 304  *
 305  * Returns:
 306  *  D3D_OK on success
 307  *
 308  *****************************************************************************/
 309 static HRESULT WINAPI d3d_vertex_buffer7_Unlock(IDirect3DVertexBuffer7 *iface)
 310 {
 311     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer7(iface);
 312
 313     TRACE("iface %p.\n", iface);
 314
 315     wined3d_mutex_lock();
 316     wined3d_buffer_unmap(buffer->wineD3DVertexBuffer);
 317     wined3d_mutex_unlock();
 318
 319     return D3D_OK;
 320 }
 321
 322 static HRESULT WINAPI d3d_vertex_buffer1_Unlock(IDirect3DVertexBuffer *iface)
 323 {
 324     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer(iface);
 325
 326     TRACE("iface %p.\n", iface);
 327
 328     return d3d_vertex_buffer7_Unlock(&buffer->IDirect3DVertexBuffer7_iface);
 329 }
 330
 331
 332 /*****************************************************************************
 333  * IDirect3DVertexBuffer7::ProcessVertices
 334  *
 335  * Processes untransformed Vertices into a transformed or optimized vertex
 336  * buffer. It can also perform other operations, such as lighting or clipping
 337  *
 338  * Params
 339  *  VertexOp: Operation(s) to perform: D3DVOP_CLIP, _EXTENTS, _LIGHT, _TRANSFORM
 340  *  DestIndex: Index in the destination buffer(This), where the vertices are
 341  *             placed
 342  *  Count: Number of Vertices in the Source buffer to process
 343  *  SrcBuffer: Source vertex buffer
 344  *  SrcIndex: Index of the first vertex in the src buffer to process
 345  *  D3DDevice: Device to use for transformation
 346  *  Flags: 0 for default, D3DPV_DONOTCOPYDATA to prevent copying
 347  *         unchaned vertices
 348  *
 349  * Returns:
 350  *  D3D_OK on success
 351  *  DDERR_INVALIDPARAMS If D3DVOP_TRANSFORM wasn't passed
 352  *
 353  *****************************************************************************/
 354 static HRESULT WINAPI d3d_vertex_buffer7_ProcessVertices(IDirect3DVertexBuffer7 *iface,
 355         DWORD vertex_op, DWORD dst_idx, DWORD count, IDirect3DVertexBuffer7 *src_buffer,
 356         DWORD src_idx, IDirect3DDevice7 *device, DWORD flags)
 357 {
 358     struct d3d_vertex_buffer *dst_buffer_impl = impl_from_IDirect3DVertexBuffer7(iface);
 359     struct d3d_vertex_buffer *src_buffer_impl = unsafe_impl_from_IDirect3DVertexBuffer7(src_buffer);
 360     struct d3d_device *device_impl = unsafe_impl_from_IDirect3DDevice7(device);
 361     BOOL oldClip, doClip;
 362     HRESULT hr;
 363
 364     TRACE("iface %p, vertex_op %#x, dst_idx %u, count %u, src_buffer %p, src_idx %u, device %p, flags %#x.\n",
 365             iface, vertex_op, dst_idx, count, src_buffer, src_idx, device, flags);
 366
 367     /* Vertex operations:
 368      * D3DVOP_CLIP: Clips vertices outside the viewing frustrum. Needs clipping information
 369      * in the vertex buffer (Buffer may not be created with D3DVBCAPS_DONOTCLIP)
 370      * D3DVOP_EXTENTS: Causes the screen extents to be updated when rendering the vertices
 371      * D3DVOP_LIGHT: Lights the vertices
 372      * D3DVOP_TRANSFORM: Transform the vertices. This flag is necessary
 373      *
 374      * WineD3D only transforms and clips the vertices by now, so EXTENTS and LIGHT
 375      * are not implemented. Clipping is disabled ATM, because of unsure conditions.
 376      */
 377     if (!(vertex_op & D3DVOP_TRANSFORM))
 378         return DDERR_INVALIDPARAMS;
 379
 380     wined3d_mutex_lock();
 381
 382     /* WineD3D doesn't know d3d7 vertex operation, it uses
 383      * render states instead. Set the render states according to
 384      * the vertex ops
 385      */
 386     doClip = !!(vertex_op & D3DVOP_CLIP);
 387     oldClip = wined3d_device_get_render_state(device_impl->wined3d_device, WINED3D_RS_CLIPPING);
 388     if (doClip != oldClip)
 389         wined3d_device_set_render_state(device_impl->wined3d_device, WINED3D_RS_CLIPPING, doClip);
 390
 391     wined3d_device_set_stream_source(device_impl->wined3d_device,
 392             0, src_buffer_impl->wineD3DVertexBuffer, 0, get_flexible_vertex_size(src_buffer_impl->fvf));
 393     wined3d_device_set_vertex_declaration(device_impl->wined3d_device, src_buffer_impl->wineD3DVertexDeclaration);
 394     hr = wined3d_device_process_vertices(device_impl->wined3d_device, src_idx, dst_idx,
 395             count, dst_buffer_impl->wineD3DVertexBuffer, NULL, flags, dst_buffer_impl->fvf);
 396
 397     /* Restore the states if needed */
 398     if (doClip != oldClip)
 399         wined3d_device_set_render_state(device_impl->wined3d_device, WINED3D_RS_CLIPPING, oldClip);
 400
 401     wined3d_mutex_unlock();
 402
 403     return hr;
 404 }
 405
 406 static HRESULT WINAPI d3d_vertex_buffer1_ProcessVertices(IDirect3DVertexBuffer *iface,
 407         DWORD vertex_op, DWORD dst_idx, DWORD count, IDirect3DVertexBuffer *src_buffer,
 408         DWORD src_idx, IDirect3DDevice3 *device, DWORD flags)
 409 {
 410     struct d3d_vertex_buffer *dst_buffer_impl = impl_from_IDirect3DVertexBuffer(iface);
 411     struct d3d_vertex_buffer *src_buffer_impl = unsafe_impl_from_IDirect3DVertexBuffer(src_buffer);
 412     struct d3d_device *device_impl = unsafe_impl_from_IDirect3DDevice3(device);
 413
 414     TRACE("iface %p, vertex_op %#x, dst_idx %u, count %u, src_buffer %p, src_idx %u, device %p, flags %#x.\n",
 415             iface, vertex_op, dst_idx, count, src_buffer, src_idx, device, flags);
 416
 417     return d3d_vertex_buffer7_ProcessVertices(&dst_buffer_impl->IDirect3DVertexBuffer7_iface, vertex_op,
 418             dst_idx, count, &src_buffer_impl->IDirect3DVertexBuffer7_iface, src_idx,
 419             device_impl ? &device_impl->IDirect3DDevice7_iface : NULL, flags);
 420 }
 421
 422 /*****************************************************************************
 423  * IDirect3DVertexBuffer7::GetVertexBufferDesc
 424  *
 425  * Returns the description of a vertex buffer
 426  *
 427  * Params:
 428  *  Desc: Address to write the description to
 429  *
 430  * Returns
 431  *  DDERR_INVALIDPARAMS if Desc is NULL
 432  *  D3D_OK on success
 433  *
 434  *****************************************************************************/
 435 static HRESULT WINAPI d3d_vertex_buffer7_GetVertexBufferDesc(IDirect3DVertexBuffer7 *iface, D3DVERTEXBUFFERDESC *desc)
 436 {
 437     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer7(iface);
 438     struct wined3d_resource_desc wined3d_desc;
 439     struct wined3d_resource *wined3d_resource;
 440
 441     TRACE("iface %p, desc %p.\n", iface, desc);
 442
 443     if (!desc) return DDERR_INVALIDPARAMS;
 444
 445     wined3d_mutex_lock();
 446     wined3d_resource = wined3d_buffer_get_resource(buffer->wineD3DVertexBuffer);
 447     wined3d_resource_get_desc(wined3d_resource, &wined3d_desc);
 448     wined3d_mutex_unlock();
 449
 450     /* Now fill the desc structure */
 451     desc->dwCaps = buffer->Caps;
 452     desc->dwFVF = buffer->fvf;
 453     desc->dwNumVertices = wined3d_desc.size / get_flexible_vertex_size(buffer->fvf);
 454
 455     return D3D_OK;
 456 }
 457
 458 static HRESULT WINAPI d3d_vertex_buffer1_GetVertexBufferDesc(IDirect3DVertexBuffer *iface, D3DVERTEXBUFFERDESC *desc)
 459 {
 460     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer(iface);
 461
 462     TRACE("iface %p, desc %p.\n", iface, desc);
 463
 464     return d3d_vertex_buffer7_GetVertexBufferDesc(&buffer->IDirect3DVertexBuffer7_iface, desc);
 465 }
 466
 467
 468 /*****************************************************************************
 469  * IDirect3DVertexBuffer7::Optimize
 470  *
 471  * Converts an unoptimized vertex buffer into an optimized buffer
 472  *
 473  * Params:
 474  *  D3DDevice: Device for which this buffer is optimized
 475  *  Flags: Not used, should be set to 0
 476  *
 477  * Returns
 478  *  D3D_OK, because it's a stub
 479  *
 480  *****************************************************************************/
 481 static HRESULT WINAPI d3d_vertex_buffer7_Optimize(IDirect3DVertexBuffer7 *iface,
 482         IDirect3DDevice7 *device, DWORD flags)
 483 {
 484     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer7(iface);
 485     static BOOL hide = FALSE;
 486
 487     TRACE("iface %p, device %p, flags %#x.\n", iface, device, flags);
 488
 489     if (!hide)
 490     {
 491         FIXME("iface %p, device %p, flags %#x stub!\n", iface, device, flags);
 492         hide = TRUE;
 493     }
 494
 495     /* We could forward this call to WineD3D and take advantage
 496      * of it once we use OpenGL vertex buffers
 497      */
 498     wined3d_mutex_lock();
 499     buffer->Caps |= D3DVBCAPS_OPTIMIZED;
 500     wined3d_mutex_unlock();
 501
 502     return DD_OK;
 503 }
 504
 505 static HRESULT WINAPI d3d_vertex_buffer1_Optimize(IDirect3DVertexBuffer *iface,
 506         IDirect3DDevice3 *device, DWORD flags)
 507 {
 508     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer(iface);
 509     struct d3d_device *device_impl = unsafe_impl_from_IDirect3DDevice3(device);
 510
 511     TRACE("iface %p, device %p, flags %#x.\n", iface, device, flags);
 512
 513     return d3d_vertex_buffer7_Optimize(&buffer->IDirect3DVertexBuffer7_iface,
 514             device_impl ? &device_impl->IDirect3DDevice7_iface : NULL, flags);
 515 }
 516
 517 /*****************************************************************************
 518  * IDirect3DVertexBuffer7::ProcessVerticesStrided
 519  *
 520  * This method processes untransformed strided vertices into a processed
 521  * or optimized vertex buffer.
 522  *
 523  * For more details on the parameters, see
 524  * IDirect3DVertexBuffer7::ProcessVertices
 525  *
 526  * Params:
 527  *  VertexOp: Operations to perform
 528  *  DestIndex: Destination index to write the vertices to
 529  *  Count: Number of input vertices
 530  *  StrideData: Array containing the input vertices
 531  *  VertexTypeDesc: Vertex Description or source index?????????
 532  *  D3DDevice: IDirect3DDevice7 to use for processing
 533  *  Flags: Can be D3DPV_DONOTCOPYDATA to avoid copying unmodified vertices
 534  *
 535  * Returns
 536  *  D3D_OK on success, or DDERR_*
 537  *
 538  *****************************************************************************/
 539 static HRESULT WINAPI d3d_vertex_buffer7_ProcessVerticesStrided(IDirect3DVertexBuffer7 *iface,
 540         DWORD vertex_op, DWORD dst_idx, DWORD count, D3DDRAWPRIMITIVESTRIDEDDATA *data,
 541         DWORD fvf, IDirect3DDevice7 *device, DWORD flags)
 542 {
 543     FIXME("iface %p, vertex_op %#x, dst_idx %u, count %u, data %p, fvf %#x, device %p, flags %#x stub!\n",
 544             iface, vertex_op, dst_idx, count, data, fvf, device, flags);
 545
 546     return DD_OK;
 547 }
 548
 549 /*****************************************************************************
 550  * The VTables
 551  *****************************************************************************/
 552
 553 static const struct IDirect3DVertexBuffer7Vtbl d3d_vertex_buffer7_vtbl =
 554 {
 555     d3d_vertex_buffer7_QueryInterface,
 556     d3d_vertex_buffer7_AddRef,
 557     d3d_vertex_buffer7_Release,
 558     d3d_vertex_buffer7_Lock,
 559     d3d_vertex_buffer7_Unlock,
 560     d3d_vertex_buffer7_ProcessVertices,
 561     d3d_vertex_buffer7_GetVertexBufferDesc,
 562     d3d_vertex_buffer7_Optimize,
 563     d3d_vertex_buffer7_ProcessVerticesStrided,
 564 };
 565
 566 static const struct IDirect3DVertexBufferVtbl d3d_vertex_buffer1_vtbl =
 567 {
 568     d3d_vertex_buffer1_QueryInterface,
 569     d3d_vertex_buffer1_AddRef,
 570     d3d_vertex_buffer1_Release,
 571     d3d_vertex_buffer1_Lock,
 572     d3d_vertex_buffer1_Unlock,
 573     d3d_vertex_buffer1_ProcessVertices,
 574     d3d_vertex_buffer1_GetVertexBufferDesc,
 575     d3d_vertex_buffer1_Optimize,
 576 };
 577
 578 HRESULT d3d_vertex_buffer_create(struct d3d_vertex_buffer **vertex_buf,
 579         struct ddraw *ddraw, D3DVERTEXBUFFERDESC *desc)
 580 {
 581     struct d3d_vertex_buffer *buffer;
 582     HRESULT hr = D3D_OK;
 583
 584     TRACE("Vertex buffer description:\n");
 585     TRACE("    dwSize %u\n", desc->dwSize);
 586     TRACE("    dwCaps %#x\n", desc->dwCaps);
 587     TRACE("    FVF %#x\n", desc->dwFVF);
 588     TRACE("    dwNumVertices %u\n", desc->dwNumVertices);
 589
 590     buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*buffer));
 591     if (!buffer)
 592         return DDERR_OUTOFMEMORY;
 593
 594     buffer->IDirect3DVertexBuffer7_iface.lpVtbl = &d3d_vertex_buffer7_vtbl;
 595     buffer->IDirect3DVertexBuffer_iface.lpVtbl = &d3d_vertex_buffer1_vtbl;
 596     buffer->ref = 1;
 597
 598     buffer->ddraw = ddraw;
 599     buffer->Caps = desc->dwCaps;
 600     buffer->fvf = desc->dwFVF;
 601     buffer->size = get_flexible_vertex_size(desc->dwFVF) * desc->dwNumVertices;
 602
 603     wined3d_mutex_lock();
 604
 605     hr = d3d_vertex_buffer_create_wined3d_buffer(buffer, FALSE, &buffer->wineD3DVertexBuffer);
 606     if (FAILED(hr))
 607     {
 608         WARN("Failed to create wined3d vertex buffer, hr %#x.\n", hr);
 609         if (hr == WINED3DERR_INVALIDCALL)
 610             hr = DDERR_INVALIDPARAMS;
 611         goto end;
 612     }
 613
 614     buffer->wineD3DVertexDeclaration = ddraw_find_decl(ddraw, desc->dwFVF);
 615     if (!buffer->wineD3DVertexDeclaration)
 616     {
 617         ERR("Failed to find vertex declaration for fvf %#x.\n", desc->dwFVF);
 618         wined3d_buffer_decref(buffer->wineD3DVertexBuffer);
 619         hr = DDERR_INVALIDPARAMS;
 620         goto end;
 621     }
 622     wined3d_vertex_declaration_incref(buffer->wineD3DVertexDeclaration);
 623
 624 end:
 625     wined3d_mutex_unlock();
 626     if (hr == D3D_OK)
 627         *vertex_buf = buffer;
 628     else
 629         HeapFree(GetProcessHeap(), 0, buffer);
 630
 631     return hr;
 632 }
 633
 634 struct d3d_vertex_buffer *unsafe_impl_from_IDirect3DVertexBuffer(IDirect3DVertexBuffer *iface)
 635 {
 636     if (!iface)
 637         return NULL;
 638     assert(iface->lpVtbl == &d3d_vertex_buffer1_vtbl);
 639
 640     return impl_from_IDirect3DVertexBuffer(iface);
 641 }
 642
 643 struct d3d_vertex_buffer *unsafe_impl_from_IDirect3DVertexBuffer7(IDirect3DVertexBuffer7 *iface)
 644 {
 645     if (!iface)
 646         return NULL;
 647     assert(iface->lpVtbl == &d3d_vertex_buffer7_vtbl);
 648
 649     return impl_from_IDirect3DVertexBuffer7(iface);
 650 }