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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)
 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     wined3d_mutex_unlock();
 282
 283     return hr;
 284 }
 285
 286 static HRESULT WINAPI d3d_vertex_buffer1_Lock(IDirect3DVertexBuffer *iface,
 287         DWORD flags, void **data, DWORD *data_size)
 288 {
 289     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer(iface);
 290
 291     TRACE("iface %p, flags %#x, data %p, data_size %p.\n", iface, flags, data, data_size);
 292
 293     return d3d_vertex_buffer7_Lock(&buffer->IDirect3DVertexBuffer7_iface, flags, data, data_size);
 294 }
 295
 296 /*****************************************************************************
 297  * IDirect3DVertexBuffer7::Unlock
 298  *
 299  * Unlocks a vertex Buffer
 300  *
 301  * Returns:
 302  *  D3D_OK on success
 303  *
 304  *****************************************************************************/
 305 static HRESULT WINAPI d3d_vertex_buffer7_Unlock(IDirect3DVertexBuffer7 *iface)
 306 {
 307     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer7(iface);
 308
 309     TRACE("iface %p.\n", iface);
 310
 311     wined3d_mutex_lock();
 312     wined3d_buffer_unmap(buffer->wineD3DVertexBuffer);
 313     wined3d_mutex_unlock();
 314
 315     return D3D_OK;
 316 }
 317
 318 static HRESULT WINAPI d3d_vertex_buffer1_Unlock(IDirect3DVertexBuffer *iface)
 319 {
 320     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer(iface);
 321
 322     TRACE("iface %p.\n", iface);
 323
 324     return d3d_vertex_buffer7_Unlock(&buffer->IDirect3DVertexBuffer7_iface);
 325 }
 326
 327
 328 /*****************************************************************************
 329  * IDirect3DVertexBuffer7::ProcessVertices
 330  *
 331  * Processes untransformed Vertices into a transformed or optimized vertex
 332  * buffer. It can also perform other operations, such as lighting or clipping
 333  *
 334  * Params
 335  *  VertexOp: Operation(s) to perform: D3DVOP_CLIP, _EXTENTS, _LIGHT, _TRANSFORM
 336  *  DestIndex: Index in the destination buffer(This), where the vertices are
 337  *             placed
 338  *  Count: Number of Vertices in the Source buffer to process
 339  *  SrcBuffer: Source vertex buffer
 340  *  SrcIndex: Index of the first vertex in the src buffer to process
 341  *  D3DDevice: Device to use for transformation
 342  *  Flags: 0 for default, D3DPV_DONOTCOPYDATA to prevent copying
 343  *         unchaned vertices
 344  *
 345  * Returns:
 346  *  D3D_OK on success
 347  *  DDERR_INVALIDPARAMS If D3DVOP_TRANSFORM wasn't passed
 348  *
 349  *****************************************************************************/
 350 static HRESULT WINAPI d3d_vertex_buffer7_ProcessVertices(IDirect3DVertexBuffer7 *iface,
 351         DWORD vertex_op, DWORD dst_idx, DWORD count, IDirect3DVertexBuffer7 *src_buffer,
 352         DWORD src_idx, IDirect3DDevice7 *device, DWORD flags)
 353 {
 354     struct d3d_vertex_buffer *dst_buffer_impl = impl_from_IDirect3DVertexBuffer7(iface);
 355     struct d3d_vertex_buffer *src_buffer_impl = unsafe_impl_from_IDirect3DVertexBuffer7(src_buffer);
 356     struct d3d_device *device_impl = unsafe_impl_from_IDirect3DDevice7(device);
 357     BOOL oldClip, doClip;
 358     HRESULT hr;
 359
 360     TRACE("iface %p, vertex_op %#x, dst_idx %u, count %u, src_buffer %p, src_idx %u, device %p, flags %#x.\n",
 361             iface, vertex_op, dst_idx, count, src_buffer, src_idx, device, flags);
 362
 363     /* Vertex operations:
 364      * D3DVOP_CLIP: Clips vertices outside the viewing frustrum. Needs clipping information
 365      * in the vertex buffer (Buffer may not be created with D3DVBCAPS_DONOTCLIP)
 366      * D3DVOP_EXTENTS: Causes the screen extents to be updated when rendering the vertices
 367      * D3DVOP_LIGHT: Lights the vertices
 368      * D3DVOP_TRANSFORM: Transform the vertices. This flag is necessary
 369      *
 370      * WineD3D only transforms and clips the vertices by now, so EXTENTS and LIGHT
 371      * are not implemented. Clipping is disabled ATM, because of unsure conditions.
 372      */
 373     if (!(vertex_op & D3DVOP_TRANSFORM))
 374         return DDERR_INVALIDPARAMS;
 375
 376     wined3d_mutex_lock();
 377
 378     /* WineD3D doesn't know d3d7 vertex operation, it uses
 379      * render states instead. Set the render states according to
 380      * the vertex ops
 381      */
 382     doClip = !!(vertex_op & D3DVOP_CLIP);
 383     oldClip = wined3d_device_get_render_state(device_impl->wined3d_device, WINED3D_RS_CLIPPING);
 384     if (doClip != oldClip)
 385         wined3d_device_set_render_state(device_impl->wined3d_device, WINED3D_RS_CLIPPING, doClip);
 386
 387     wined3d_device_set_stream_source(device_impl->wined3d_device,
 388             0, src_buffer_impl->wineD3DVertexBuffer, 0, get_flexible_vertex_size(src_buffer_impl->fvf));
 389     wined3d_device_set_vertex_declaration(device_impl->wined3d_device, src_buffer_impl->wineD3DVertexDeclaration);
 390     hr = wined3d_device_process_vertices(device_impl->wined3d_device, src_idx, dst_idx,
 391             count, dst_buffer_impl->wineD3DVertexBuffer, NULL, flags, dst_buffer_impl->fvf);
 392
 393     /* Restore the states if needed */
 394     if (doClip != oldClip)
 395         wined3d_device_set_render_state(device_impl->wined3d_device, WINED3D_RS_CLIPPING, oldClip);
 396
 397     wined3d_mutex_unlock();
 398
 399     return hr;
 400 }
 401
 402 static HRESULT WINAPI d3d_vertex_buffer1_ProcessVertices(IDirect3DVertexBuffer *iface,
 403         DWORD vertex_op, DWORD dst_idx, DWORD count, IDirect3DVertexBuffer *src_buffer,
 404         DWORD src_idx, IDirect3DDevice3 *device, DWORD flags)
 405 {
 406     struct d3d_vertex_buffer *dst_buffer_impl = impl_from_IDirect3DVertexBuffer(iface);
 407     struct d3d_vertex_buffer *src_buffer_impl = unsafe_impl_from_IDirect3DVertexBuffer(src_buffer);
 408     struct d3d_device *device_impl = unsafe_impl_from_IDirect3DDevice3(device);
 409
 410     TRACE("iface %p, vertex_op %#x, dst_idx %u, count %u, src_buffer %p, src_idx %u, device %p, flags %#x.\n",
 411             iface, vertex_op, dst_idx, count, src_buffer, src_idx, device, flags);
 412
 413     return d3d_vertex_buffer7_ProcessVertices(&dst_buffer_impl->IDirect3DVertexBuffer7_iface, vertex_op,
 414             dst_idx, count, &src_buffer_impl->IDirect3DVertexBuffer7_iface, src_idx,
 415             device_impl ? &device_impl->IDirect3DDevice7_iface : NULL, flags);
 416 }
 417
 418 /*****************************************************************************
 419  * IDirect3DVertexBuffer7::GetVertexBufferDesc
 420  *
 421  * Returns the description of a vertex buffer
 422  *
 423  * Params:
 424  *  Desc: Address to write the description to
 425  *
 426  * Returns
 427  *  DDERR_INVALIDPARAMS if Desc is NULL
 428  *  D3D_OK on success
 429  *
 430  *****************************************************************************/
 431 static HRESULT WINAPI d3d_vertex_buffer7_GetVertexBufferDesc(IDirect3DVertexBuffer7 *iface, D3DVERTEXBUFFERDESC *desc)
 432 {
 433     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer7(iface);
 434     struct wined3d_resource_desc wined3d_desc;
 435     struct wined3d_resource *wined3d_resource;
 436
 437     TRACE("iface %p, desc %p.\n", iface, desc);
 438
 439     if (!desc) return DDERR_INVALIDPARAMS;
 440
 441     wined3d_mutex_lock();
 442     wined3d_resource = wined3d_buffer_get_resource(buffer->wineD3DVertexBuffer);
 443     wined3d_resource_get_desc(wined3d_resource, &wined3d_desc);
 444     wined3d_mutex_unlock();
 445
 446     /* Now fill the desc structure */
 447     desc->dwCaps = buffer->Caps;
 448     desc->dwFVF = buffer->fvf;
 449     desc->dwNumVertices = wined3d_desc.size / get_flexible_vertex_size(buffer->fvf);
 450
 451     return D3D_OK;
 452 }
 453
 454 static HRESULT WINAPI d3d_vertex_buffer1_GetVertexBufferDesc(IDirect3DVertexBuffer *iface, D3DVERTEXBUFFERDESC *desc)
 455 {
 456     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer(iface);
 457
 458     TRACE("iface %p, desc %p.\n", iface, desc);
 459
 460     return d3d_vertex_buffer7_GetVertexBufferDesc(&buffer->IDirect3DVertexBuffer7_iface, desc);
 461 }
 462
 463
 464 /*****************************************************************************
 465  * IDirect3DVertexBuffer7::Optimize
 466  *
 467  * Converts an unoptimized vertex buffer into an optimized buffer
 468  *
 469  * Params:
 470  *  D3DDevice: Device for which this buffer is optimized
 471  *  Flags: Not used, should be set to 0
 472  *
 473  * Returns
 474  *  D3D_OK, because it's a stub
 475  *
 476  *****************************************************************************/
 477 static HRESULT WINAPI d3d_vertex_buffer7_Optimize(IDirect3DVertexBuffer7 *iface,
 478         IDirect3DDevice7 *device, DWORD flags)
 479 {
 480     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer7(iface);
 481     static BOOL hide = FALSE;
 482
 483     TRACE("iface %p, device %p, flags %#x.\n", iface, device, flags);
 484
 485     if (!hide)
 486     {
 487         FIXME("iface %p, device %p, flags %#x stub!\n", iface, device, flags);
 488         hide = TRUE;
 489     }
 490
 491     /* We could forward this call to WineD3D and take advantage
 492      * of it once we use OpenGL vertex buffers
 493      */
 494     wined3d_mutex_lock();
 495     buffer->Caps |= D3DVBCAPS_OPTIMIZED;
 496     wined3d_mutex_unlock();
 497
 498     return DD_OK;
 499 }
 500
 501 static HRESULT WINAPI d3d_vertex_buffer1_Optimize(IDirect3DVertexBuffer *iface,
 502         IDirect3DDevice3 *device, DWORD flags)
 503 {
 504     struct d3d_vertex_buffer *buffer = impl_from_IDirect3DVertexBuffer(iface);
 505     struct d3d_device *device_impl = unsafe_impl_from_IDirect3DDevice3(device);
 506
 507     TRACE("iface %p, device %p, flags %#x.\n", iface, device, flags);
 508
 509     return d3d_vertex_buffer7_Optimize(&buffer->IDirect3DVertexBuffer7_iface,
 510             device_impl ? &device_impl->IDirect3DDevice7_iface : NULL, flags);
 511 }
 512
 513 /*****************************************************************************
 514  * IDirect3DVertexBuffer7::ProcessVerticesStrided
 515  *
 516  * This method processes untransformed strided vertices into a processed
 517  * or optimized vertex buffer.
 518  *
 519  * For more details on the parameters, see
 520  * IDirect3DVertexBuffer7::ProcessVertices
 521  *
 522  * Params:
 523  *  VertexOp: Operations to perform
 524  *  DestIndex: Destination index to write the vertices to
 525  *  Count: Number of input vertices
 526  *  StrideData: Array containing the input vertices
 527  *  VertexTypeDesc: Vertex Description or source index?????????
 528  *  D3DDevice: IDirect3DDevice7 to use for processing
 529  *  Flags: Can be D3DPV_DONOTCOPYDATA to avoid copying unmodified vertices
 530  *
 531  * Returns
 532  *  D3D_OK on success, or DDERR_*
 533  *
 534  *****************************************************************************/
 535 static HRESULT WINAPI d3d_vertex_buffer7_ProcessVerticesStrided(IDirect3DVertexBuffer7 *iface,
 536         DWORD vertex_op, DWORD dst_idx, DWORD count, D3DDRAWPRIMITIVESTRIDEDDATA *data,
 537         DWORD fvf, IDirect3DDevice7 *device, DWORD flags)
 538 {
 539     FIXME("iface %p, vertex_op %#x, dst_idx %u, count %u, data %p, fvf %#x, device %p, flags %#x stub!\n",
 540             iface, vertex_op, dst_idx, count, data, fvf, device, flags);
 541
 542     return DD_OK;
 543 }
 544
 545 /*****************************************************************************
 546  * The VTables
 547  *****************************************************************************/
 548
 549 static const struct IDirect3DVertexBuffer7Vtbl d3d_vertex_buffer7_vtbl =
 550 {
 551     d3d_vertex_buffer7_QueryInterface,
 552     d3d_vertex_buffer7_AddRef,
 553     d3d_vertex_buffer7_Release,
 554     d3d_vertex_buffer7_Lock,
 555     d3d_vertex_buffer7_Unlock,
 556     d3d_vertex_buffer7_ProcessVertices,
 557     d3d_vertex_buffer7_GetVertexBufferDesc,
 558     d3d_vertex_buffer7_Optimize,
 559     d3d_vertex_buffer7_ProcessVerticesStrided,
 560 };
 561
 562 static const struct IDirect3DVertexBufferVtbl d3d_vertex_buffer1_vtbl =
 563 {
 564     d3d_vertex_buffer1_QueryInterface,
 565     d3d_vertex_buffer1_AddRef,
 566     d3d_vertex_buffer1_Release,
 567     d3d_vertex_buffer1_Lock,
 568     d3d_vertex_buffer1_Unlock,
 569     d3d_vertex_buffer1_ProcessVertices,
 570     d3d_vertex_buffer1_GetVertexBufferDesc,
 571     d3d_vertex_buffer1_Optimize,
 572 };
 573
 574 HRESULT d3d_vertex_buffer_create(struct d3d_vertex_buffer **vertex_buf,
 575         struct ddraw *ddraw, D3DVERTEXBUFFERDESC *desc)
 576 {
 577     struct d3d_vertex_buffer *buffer;
 578     HRESULT hr = D3D_OK;
 579
 580     TRACE("Vertex buffer description:\n");
 581     TRACE("    dwSize %u\n", desc->dwSize);
 582     TRACE("    dwCaps %#x\n", desc->dwCaps);
 583     TRACE("    FVF %#x\n", desc->dwFVF);
 584     TRACE("    dwNumVertices %u\n", desc->dwNumVertices);
 585
 586     buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*buffer));
 587     if (!buffer)
 588         return DDERR_OUTOFMEMORY;
 589
 590     buffer->IDirect3DVertexBuffer7_iface.lpVtbl = &d3d_vertex_buffer7_vtbl;
 591     buffer->IDirect3DVertexBuffer_iface.lpVtbl = &d3d_vertex_buffer1_vtbl;
 592     buffer->ref = 1;
 593
 594     buffer->ddraw = ddraw;
 595     buffer->Caps = desc->dwCaps;
 596     buffer->fvf = desc->dwFVF;
 597     buffer->size = get_flexible_vertex_size(desc->dwFVF) * desc->dwNumVertices;
 598
 599     wined3d_mutex_lock();
 600
 601     hr = d3d_vertex_buffer_create_wined3d_buffer(buffer, FALSE, &buffer->wineD3DVertexBuffer);
 602     if (FAILED(hr))
 603     {
 604         WARN("Failed to create wined3d vertex buffer, hr %#x.\n", hr);
 605         if (hr == WINED3DERR_INVALIDCALL)
 606             hr = DDERR_INVALIDPARAMS;
 607         goto end;
 608     }
 609
 610     buffer->wineD3DVertexDeclaration = ddraw_find_decl(ddraw, desc->dwFVF);
 611     if (!buffer->wineD3DVertexDeclaration)
 612     {
 613         ERR("Failed to find vertex declaration for fvf %#x.\n", desc->dwFVF);
 614         wined3d_buffer_decref(buffer->wineD3DVertexBuffer);
 615         hr = DDERR_INVALIDPARAMS;
 616         goto end;
 617     }
 618     wined3d_vertex_declaration_incref(buffer->wineD3DVertexDeclaration);
 619
 620 end:
 621     wined3d_mutex_unlock();
 622     if (hr == D3D_OK)
 623         *vertex_buf = buffer;
 624     else
 625         HeapFree(GetProcessHeap(), 0, buffer);
 626
 627     return hr;
 628 }
 629
 630 struct d3d_vertex_buffer *unsafe_impl_from_IDirect3DVertexBuffer(IDirect3DVertexBuffer *iface)
 631 {
 632     if (!iface)
 633         return NULL;
 634     assert(iface->lpVtbl == &d3d_vertex_buffer1_vtbl);
 635
 636     return impl_from_IDirect3DVertexBuffer(iface);
 637 }
 638
 639 struct d3d_vertex_buffer *unsafe_impl_from_IDirect3DVertexBuffer7(IDirect3DVertexBuffer7 *iface)
 640 {
 641     if (!iface)
 642         return NULL;
 643     assert(iface->lpVtbl == &d3d_vertex_buffer7_vtbl);
 644
 645     return impl_from_IDirect3DVertexBuffer7(iface);
 646 }