xref: /reactos/dll/directx/wine/d3d9/buffer.c (revision 8c2e9189) 
1 /*
2  * Copyright 2002-2004 Jason Edmeades
3  * Copyright 2002-2004 Raphael Junqueira
4  * Copyright 2005 Oliver Stieber
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20 
21 #include "config.h"
22 #include "d3d9_private.h"
23 
24 WINE_DEFAULT_DEBUG_CHANNEL(d3d9);
25 
26 static inline struct d3d9_vertexbuffer *impl_from_IDirect3DVertexBuffer9(IDirect3DVertexBuffer9 *iface)
27 {
28     return CONTAINING_RECORD(iface, struct d3d9_vertexbuffer, IDirect3DVertexBuffer9_iface);
29 }
30 
31 static HRESULT WINAPI d3d9_vertexbuffer_QueryInterface(IDirect3DVertexBuffer9 *iface, REFIID riid, void **out)
32 {
33     TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
34 
35     if (IsEqualGUID(riid, &IID_IDirect3DVertexBuffer9)
36             || IsEqualGUID(riid, &IID_IDirect3DResource9)
37             || IsEqualGUID(riid, &IID_IUnknown))
38     {
39         IDirect3DVertexBuffer9_AddRef(iface);
40         *out = iface;
41         return S_OK;
42     }
43 
44     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
45 
46     *out = NULL;
47     return E_NOINTERFACE;
48 }
49 
50 static ULONG WINAPI d3d9_vertexbuffer_AddRef(IDirect3DVertexBuffer9 *iface)
51 {
52     struct d3d9_vertexbuffer *buffer = impl_from_IDirect3DVertexBuffer9(iface);
53     ULONG refcount = InterlockedIncrement(&buffer->resource.refcount);
54 
55     TRACE("%p increasing refcount to %u.\n", iface, refcount);
56 
57     if (refcount == 1)
58     {
59         IDirect3DDevice9Ex_AddRef(buffer->parent_device);
60         wined3d_mutex_lock();
61         wined3d_buffer_incref(buffer->wined3d_buffer);
62         wined3d_mutex_unlock();
63     }
64 
65     return refcount;
66 }
67 
68 static ULONG WINAPI d3d9_vertexbuffer_Release(IDirect3DVertexBuffer9 *iface)
69 {
70     struct d3d9_vertexbuffer *buffer = impl_from_IDirect3DVertexBuffer9(iface);
71     ULONG refcount = InterlockedDecrement(&buffer->resource.refcount);
72 
73     TRACE("%p decreasing refcount to %u.\n", iface, refcount);
74 
75     if (!refcount)
76     {
77         IDirect3DDevice9Ex *device = buffer->parent_device;
78 
79         wined3d_mutex_lock();
80         wined3d_buffer_decref(buffer->wined3d_buffer);
81         wined3d_mutex_unlock();
82 
83         /* Release the device last, as it may cause the device to be destroyed. */
84         IDirect3DDevice9Ex_Release(device);
85     }
86 
87     return refcount;
88 }
89 
90 static HRESULT WINAPI d3d9_vertexbuffer_GetDevice(IDirect3DVertexBuffer9 *iface, IDirect3DDevice9 **device)
91 {
92     struct d3d9_vertexbuffer *buffer = impl_from_IDirect3DVertexBuffer9(iface);
93 
94     TRACE("iface %p, device %p.\n", iface, device);
95 
96     *device = (IDirect3DDevice9 *)buffer->parent_device;
97     IDirect3DDevice9_AddRef(*device);
98 
99     TRACE("Returning device %p.\n", *device);
100 
101     return D3D_OK;
102 }
103 
104 static HRESULT WINAPI d3d9_vertexbuffer_SetPrivateData(IDirect3DVertexBuffer9 *iface,
105         REFGUID guid, const void *data, DWORD data_size, DWORD flags)
106 {
107     struct d3d9_vertexbuffer *buffer = impl_from_IDirect3DVertexBuffer9(iface);
108     TRACE("iface %p, guid %s, data %p, data_size %u, flags %#x.\n",
109             iface, debugstr_guid(guid), data, data_size, flags);
110 
111     return d3d9_resource_set_private_data(&buffer->resource, guid, data, data_size, flags);
112 }
113 
114 static HRESULT WINAPI d3d9_vertexbuffer_GetPrivateData(IDirect3DVertexBuffer9 *iface,
115         REFGUID guid, void *data, DWORD *data_size)
116 {
117     struct d3d9_vertexbuffer *buffer = impl_from_IDirect3DVertexBuffer9(iface);
118     TRACE("iface %p, guid %s, data %p, data_size %p.\n",
119             iface, debugstr_guid(guid), data, data_size);
120 
121     return d3d9_resource_get_private_data(&buffer->resource, guid, data, data_size);
122 }
123 
124 static HRESULT WINAPI d3d9_vertexbuffer_FreePrivateData(IDirect3DVertexBuffer9 *iface, REFGUID guid)
125 {
126     struct d3d9_vertexbuffer *buffer = impl_from_IDirect3DVertexBuffer9(iface);
127     TRACE("iface %p, guid %s.\n", iface, debugstr_guid(guid));
128 
129     return d3d9_resource_free_private_data(&buffer->resource, guid);
130 }
131 
132 static DWORD WINAPI d3d9_vertexbuffer_SetPriority(IDirect3DVertexBuffer9 *iface, DWORD priority)
133 {
134     struct d3d9_vertexbuffer *buffer = impl_from_IDirect3DVertexBuffer9(iface);
135     struct wined3d_resource *resource;
136     DWORD previous;
137 
138     TRACE("iface %p, priority %u.\n", iface, priority);
139 
140     wined3d_mutex_lock();
141     resource = wined3d_buffer_get_resource(buffer->wined3d_buffer);
142     previous = wined3d_resource_set_priority(resource, priority);
143     wined3d_mutex_unlock();
144 
145     return previous;
146 }
147 
148 static DWORD WINAPI d3d9_vertexbuffer_GetPriority(IDirect3DVertexBuffer9 *iface)
149 {
150     struct d3d9_vertexbuffer *buffer = impl_from_IDirect3DVertexBuffer9(iface);
151     const struct wined3d_resource *resource;
152     DWORD priority;
153 
154     TRACE("iface %p.\n", iface);
155 
156     wined3d_mutex_lock();
157     resource = wined3d_buffer_get_resource(buffer->wined3d_buffer);
158     priority = wined3d_resource_get_priority(resource);
159     wined3d_mutex_unlock();
160 
161     return priority;
162 }
163 
164 static void WINAPI d3d9_vertexbuffer_PreLoad(IDirect3DVertexBuffer9 *iface)
165 {
166     struct d3d9_vertexbuffer *buffer = impl_from_IDirect3DVertexBuffer9(iface);
167 
168     TRACE("iface %p.\n", iface);
169 
170     wined3d_mutex_lock();
171     wined3d_resource_preload(wined3d_buffer_get_resource(buffer->wined3d_buffer));
172     wined3d_mutex_unlock();
173 }
174 
175 static D3DRESOURCETYPE WINAPI d3d9_vertexbuffer_GetType(IDirect3DVertexBuffer9 *iface)
176 {
177     TRACE("iface %p.\n", iface);
178 
179     return D3DRTYPE_VERTEXBUFFER;
180 }
181 
182 static HRESULT WINAPI d3d9_vertexbuffer_Lock(IDirect3DVertexBuffer9 *iface, UINT offset, UINT size,
183         void **data, DWORD flags)
184 {
185     struct d3d9_vertexbuffer *buffer = impl_from_IDirect3DVertexBuffer9(iface);
186     struct wined3d_map_desc wined3d_map_desc;
187     struct wined3d_box wined3d_box = {0};
188     HRESULT hr;
189 
190     TRACE("iface %p, offset %u, size %u, data %p, flags %#x.\n",
191             iface, offset, size, data, flags);
192 
193     wined3d_box.left = offset;
194     wined3d_box.right = offset + size;
195     wined3d_mutex_lock();
196     hr = wined3d_resource_map(wined3d_buffer_get_resource(buffer->wined3d_buffer),
197             0, &wined3d_map_desc, &wined3d_box, wined3dmapflags_from_d3dmapflags(flags));
198     wined3d_mutex_unlock();
199     *data = wined3d_map_desc.data;
200 
201     return hr;
202 }
203 
204 static HRESULT WINAPI d3d9_vertexbuffer_Unlock(IDirect3DVertexBuffer9 *iface)
205 {
206     struct d3d9_vertexbuffer *buffer = impl_from_IDirect3DVertexBuffer9(iface);
207 
208     TRACE("iface %p.\n", iface);
209 
210     wined3d_mutex_lock();
211     wined3d_resource_unmap(wined3d_buffer_get_resource(buffer->wined3d_buffer), 0);
212     wined3d_mutex_unlock();
213 
214     return D3D_OK;
215 }
216 
217 static HRESULT WINAPI d3d9_vertexbuffer_GetDesc(IDirect3DVertexBuffer9 *iface,
218         D3DVERTEXBUFFER_DESC *desc)
219 {
220     struct d3d9_vertexbuffer *buffer = impl_from_IDirect3DVertexBuffer9(iface);
221     struct wined3d_resource_desc wined3d_desc;
222     struct wined3d_resource *wined3d_resource;
223 
224     TRACE("iface %p, desc %p.\n", iface, desc);
225 
226     wined3d_mutex_lock();
227     wined3d_resource = wined3d_buffer_get_resource(buffer->wined3d_buffer);
228     wined3d_resource_get_desc(wined3d_resource, &wined3d_desc);
229     wined3d_mutex_unlock();
230 
231     desc->Format = D3DFMT_VERTEXDATA;
232     desc->Type = D3DRTYPE_VERTEXBUFFER;
233     desc->Usage = d3dusage_from_wined3dusage(wined3d_desc.usage);
234     desc->Pool = d3dpool_from_wined3daccess(wined3d_desc.access, wined3d_desc.usage);
235     desc->Size = wined3d_desc.size;
236     desc->FVF = buffer->fvf;
237 
238     return D3D_OK;
239 }
240 
241 static const IDirect3DVertexBuffer9Vtbl d3d9_vertexbuffer_vtbl =
242 {
243     /* IUnknown */
244     d3d9_vertexbuffer_QueryInterface,
245     d3d9_vertexbuffer_AddRef,
246     d3d9_vertexbuffer_Release,
247     /* IDirect3DResource9 */
248     d3d9_vertexbuffer_GetDevice,
249     d3d9_vertexbuffer_SetPrivateData,
250     d3d9_vertexbuffer_GetPrivateData,
251     d3d9_vertexbuffer_FreePrivateData,
252     d3d9_vertexbuffer_SetPriority,
253     d3d9_vertexbuffer_GetPriority,
254     d3d9_vertexbuffer_PreLoad,
255     d3d9_vertexbuffer_GetType,
256     /* IDirect3DVertexBuffer9 */
257     d3d9_vertexbuffer_Lock,
258     d3d9_vertexbuffer_Unlock,
259     d3d9_vertexbuffer_GetDesc,
260 };
261 
262 static void STDMETHODCALLTYPE d3d9_vertexbuffer_wined3d_object_destroyed(void *parent)
263 {
264     struct d3d9_vertexbuffer *buffer = parent;
265     d3d9_resource_cleanup(&buffer->resource);
266     heap_free(buffer);
267 }
268 
269 static const struct wined3d_parent_ops d3d9_vertexbuffer_wined3d_parent_ops =
270 {
271     d3d9_vertexbuffer_wined3d_object_destroyed,
272 };
273 
274 HRESULT vertexbuffer_init(struct d3d9_vertexbuffer *buffer, struct d3d9_device *device,
275         UINT size, UINT usage, DWORD fvf, D3DPOOL pool)
276 {
277     struct wined3d_buffer_desc desc;
278     HRESULT hr;
279 
280     if (pool == D3DPOOL_SCRATCH)
281     {
282         WARN("Vertex buffer with D3DPOOL_SCRATCH requested.\n");
283         return D3DERR_INVALIDCALL;
284     }
285 
286     buffer->IDirect3DVertexBuffer9_iface.lpVtbl = &d3d9_vertexbuffer_vtbl;
287     buffer->fvf = fvf;
288     d3d9_resource_init(&buffer->resource);
289 
290     desc.byte_width = size;
291     desc.usage = usage & WINED3DUSAGE_MASK;
292     desc.bind_flags = WINED3D_BIND_VERTEX_BUFFER;
293     desc.access = wined3daccess_from_d3dpool(pool, usage)
294             | WINED3D_RESOURCE_ACCESS_MAP_R | WINED3D_RESOURCE_ACCESS_MAP_W;
295     desc.misc_flags = 0;
296     desc.structure_byte_stride = 0;
297 
298     wined3d_mutex_lock();
299     hr = wined3d_buffer_create(device->wined3d_device, &desc, NULL, buffer,
300             &d3d9_vertexbuffer_wined3d_parent_ops, &buffer->wined3d_buffer);
301     wined3d_mutex_unlock();
302     if (FAILED(hr))
303     {
304         WARN("Failed to create wined3d buffer, hr %#x.\n", hr);
305         return hr;
306     }
307 
308     buffer->parent_device = &device->IDirect3DDevice9Ex_iface;
309     IDirect3DDevice9Ex_AddRef(buffer->parent_device);
310 
311     return D3D_OK;
312 }
313 
314 struct d3d9_vertexbuffer *unsafe_impl_from_IDirect3DVertexBuffer9(IDirect3DVertexBuffer9 *iface)
315 {
316     if (!iface)
317         return NULL;
318     assert(iface->lpVtbl == &d3d9_vertexbuffer_vtbl);
319 
320     return impl_from_IDirect3DVertexBuffer9(iface);
321 }
322 
323 static inline struct d3d9_indexbuffer *impl_from_IDirect3DIndexBuffer9(IDirect3DIndexBuffer9 *iface)
324 {
325     return CONTAINING_RECORD(iface, struct d3d9_indexbuffer, IDirect3DIndexBuffer9_iface);
326 }
327 
328 static HRESULT WINAPI d3d9_indexbuffer_QueryInterface(IDirect3DIndexBuffer9 *iface, REFIID riid, void **out)
329 {
330     TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
331 
332     if (IsEqualGUID(riid, &IID_IDirect3DIndexBuffer9)
333             || IsEqualGUID(riid, &IID_IDirect3DResource9)
334             || IsEqualGUID(riid, &IID_IUnknown))
335     {
336         IDirect3DIndexBuffer9_AddRef(iface);
337         *out = iface;
338         return S_OK;
339     }
340 
341     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
342 
343     *out = NULL;
344     return E_NOINTERFACE;
345 }
346 
347 static ULONG WINAPI d3d9_indexbuffer_AddRef(IDirect3DIndexBuffer9 *iface)
348 {
349     struct d3d9_indexbuffer *buffer = impl_from_IDirect3DIndexBuffer9(iface);
350     ULONG refcount = InterlockedIncrement(&buffer->resource.refcount);
351 
352     TRACE("%p increasing refcount to %u.\n", iface, refcount);
353 
354     if (refcount == 1)
355     {
356         IDirect3DDevice9Ex_AddRef(buffer->parent_device);
357         wined3d_mutex_lock();
358         wined3d_buffer_incref(buffer->wined3d_buffer);
359         wined3d_mutex_unlock();
360     }
361 
362     return refcount;
363 }
364 
365 static ULONG WINAPI d3d9_indexbuffer_Release(IDirect3DIndexBuffer9 *iface)
366 {
367     struct d3d9_indexbuffer *buffer = impl_from_IDirect3DIndexBuffer9(iface);
368     ULONG refcount = InterlockedDecrement(&buffer->resource.refcount);
369 
370     TRACE("%p decreasing refcount to %u.\n", iface, refcount);
371 
372     if (!refcount)
373     {
374         IDirect3DDevice9Ex *device = buffer->parent_device;
375 
376         wined3d_mutex_lock();
377         wined3d_buffer_decref(buffer->wined3d_buffer);
378         wined3d_mutex_unlock();
379 
380         /* Release the device last, as it may cause the device to be destroyed. */
381         IDirect3DDevice9Ex_Release(device);
382     }
383 
384     return refcount;
385 }
386 
387 static HRESULT WINAPI d3d9_indexbuffer_GetDevice(IDirect3DIndexBuffer9 *iface, IDirect3DDevice9 **device)
388 {
389     struct d3d9_indexbuffer *buffer = impl_from_IDirect3DIndexBuffer9(iface);
390 
391     TRACE("iface %p, device %p.\n", iface, device);
392 
393     *device = (IDirect3DDevice9 *)buffer->parent_device;
394     IDirect3DDevice9_AddRef(*device);
395 
396     TRACE("Returning device %p.\n", *device);
397 
398     return D3D_OK;
399 }
400 
401 static HRESULT WINAPI d3d9_indexbuffer_SetPrivateData(IDirect3DIndexBuffer9 *iface,
402         REFGUID guid, const void *data, DWORD data_size, DWORD flags)
403 {
404     struct d3d9_indexbuffer *buffer = impl_from_IDirect3DIndexBuffer9(iface);
405     TRACE("iface %p, guid %s, data %p, data_size %u, flags %#x.\n",
406             iface, debugstr_guid(guid), data, data_size, flags);
407 
408     return d3d9_resource_set_private_data(&buffer->resource, guid, data, data_size, flags);
409 }
410 
411 static HRESULT WINAPI d3d9_indexbuffer_GetPrivateData(IDirect3DIndexBuffer9 *iface,
412         REFGUID guid, void *data, DWORD *data_size)
413 {
414     struct d3d9_indexbuffer *buffer = impl_from_IDirect3DIndexBuffer9(iface);
415     TRACE("iface %p, guid %s, data %p, data_size %p.\n",
416             iface, debugstr_guid(guid), data, data_size);
417 
418     return d3d9_resource_get_private_data(&buffer->resource, guid, data, data_size);
419 }
420 
421 static HRESULT WINAPI d3d9_indexbuffer_FreePrivateData(IDirect3DIndexBuffer9 *iface, REFGUID guid)
422 {
423     struct d3d9_indexbuffer *buffer = impl_from_IDirect3DIndexBuffer9(iface);
424     TRACE("iface %p, guid %s.\n", iface, debugstr_guid(guid));
425 
426     return d3d9_resource_free_private_data(&buffer->resource, guid);
427 }
428 
429 static DWORD WINAPI d3d9_indexbuffer_SetPriority(IDirect3DIndexBuffer9 *iface, DWORD priority)
430 {
431     struct d3d9_indexbuffer *buffer = impl_from_IDirect3DIndexBuffer9(iface);
432     struct wined3d_resource *resource;
433     DWORD previous;
434 
435     TRACE("iface %p, priority %u.\n", iface, priority);
436 
437     wined3d_mutex_lock();
438     resource = wined3d_buffer_get_resource(buffer->wined3d_buffer);
439     previous = wined3d_resource_set_priority(resource, priority);
440     wined3d_mutex_unlock();
441 
442     return previous;
443 }
444 
445 static DWORD WINAPI d3d9_indexbuffer_GetPriority(IDirect3DIndexBuffer9 *iface)
446 {
447     struct d3d9_indexbuffer *buffer = impl_from_IDirect3DIndexBuffer9(iface);
448     const struct wined3d_resource *resource;
449     DWORD priority;
450 
451     TRACE("iface %p.\n", iface);
452 
453     wined3d_mutex_lock();
454     resource = wined3d_buffer_get_resource(buffer->wined3d_buffer);
455     priority = wined3d_resource_get_priority(resource);
456     wined3d_mutex_unlock();
457 
458     return priority;
459 }
460 
461 static void WINAPI d3d9_indexbuffer_PreLoad(IDirect3DIndexBuffer9 *iface)
462 {
463     struct d3d9_indexbuffer *buffer = impl_from_IDirect3DIndexBuffer9(iface);
464 
465     TRACE("iface %p.\n", iface);
466 
467     wined3d_mutex_lock();
468     wined3d_resource_preload(wined3d_buffer_get_resource(buffer->wined3d_buffer));
469     wined3d_mutex_unlock();
470 }
471 
472 static D3DRESOURCETYPE WINAPI d3d9_indexbuffer_GetType(IDirect3DIndexBuffer9 *iface)
473 {
474     TRACE("iface %p.\n", iface);
475 
476     return D3DRTYPE_INDEXBUFFER;
477 }
478 
479 static HRESULT WINAPI d3d9_indexbuffer_Lock(IDirect3DIndexBuffer9 *iface,
480         UINT offset, UINT size, void **data, DWORD flags)
481 {
482     struct d3d9_indexbuffer *buffer = impl_from_IDirect3DIndexBuffer9(iface);
483     struct wined3d_map_desc wined3d_map_desc;
484     struct wined3d_box wined3d_box = {0};
485     HRESULT hr;
486 
487     TRACE("iface %p, offset %u, size %u, data %p, flags %#x.\n",
488             iface, offset, size, data, flags);
489 
490     wined3d_box.left = offset;
491     wined3d_box.right = offset + size;
492     wined3d_mutex_lock();
493     hr = wined3d_resource_map(wined3d_buffer_get_resource(buffer->wined3d_buffer),
494             0, &wined3d_map_desc, &wined3d_box, wined3dmapflags_from_d3dmapflags(flags));
495     wined3d_mutex_unlock();
496     *data = wined3d_map_desc.data;
497 
498     return hr;
499 }
500 
501 static HRESULT WINAPI d3d9_indexbuffer_Unlock(IDirect3DIndexBuffer9 *iface)
502 {
503     struct d3d9_indexbuffer *buffer = impl_from_IDirect3DIndexBuffer9(iface);
504 
505     TRACE("iface %p.\n", iface);
506 
507     wined3d_mutex_lock();
508     wined3d_resource_unmap(wined3d_buffer_get_resource(buffer->wined3d_buffer), 0);
509     wined3d_mutex_unlock();
510 
511     return D3D_OK;
512 }
513 
514 static HRESULT WINAPI d3d9_indexbuffer_GetDesc(IDirect3DIndexBuffer9 *iface, D3DINDEXBUFFER_DESC *desc)
515 {
516     struct d3d9_indexbuffer *buffer = impl_from_IDirect3DIndexBuffer9(iface);
517     struct wined3d_resource_desc wined3d_desc;
518     struct wined3d_resource *wined3d_resource;
519 
520     TRACE("iface %p, desc %p.\n", iface, desc);
521 
522     wined3d_mutex_lock();
523     wined3d_resource = wined3d_buffer_get_resource(buffer->wined3d_buffer);
524     wined3d_resource_get_desc(wined3d_resource, &wined3d_desc);
525     wined3d_mutex_unlock();
526 
527     desc->Format = d3dformat_from_wined3dformat(buffer->format);
528     desc->Type = D3DRTYPE_INDEXBUFFER;
529     desc->Usage = d3dusage_from_wined3dusage(wined3d_desc.usage);
530     desc->Pool = d3dpool_from_wined3daccess(wined3d_desc.access, wined3d_desc.usage);
531     desc->Size = wined3d_desc.size;
532 
533     return D3D_OK;
534 }
535 
536 static const IDirect3DIndexBuffer9Vtbl d3d9_indexbuffer_vtbl =
537 {
538     /* IUnknown */
539     d3d9_indexbuffer_QueryInterface,
540     d3d9_indexbuffer_AddRef,
541     d3d9_indexbuffer_Release,
542     /* IDirect3DResource9 */
543     d3d9_indexbuffer_GetDevice,
544     d3d9_indexbuffer_SetPrivateData,
545     d3d9_indexbuffer_GetPrivateData,
546     d3d9_indexbuffer_FreePrivateData,
547     d3d9_indexbuffer_SetPriority,
548     d3d9_indexbuffer_GetPriority,
549     d3d9_indexbuffer_PreLoad,
550     d3d9_indexbuffer_GetType,
551     /* IDirect3DIndexBuffer9 */
552     d3d9_indexbuffer_Lock,
553     d3d9_indexbuffer_Unlock,
554     d3d9_indexbuffer_GetDesc,
555 };
556 
557 static void STDMETHODCALLTYPE d3d9_indexbuffer_wined3d_object_destroyed(void *parent)
558 {
559     struct d3d9_indexbuffer *buffer = parent;
560     d3d9_resource_cleanup(&buffer->resource);
561     heap_free(buffer);
562 }
563 
564 static const struct wined3d_parent_ops d3d9_indexbuffer_wined3d_parent_ops =
565 {
566     d3d9_indexbuffer_wined3d_object_destroyed,
567 };
568 
569 HRESULT indexbuffer_init(struct d3d9_indexbuffer *buffer, struct d3d9_device *device,
570         UINT size, DWORD usage, D3DFORMAT format, D3DPOOL pool)
571 {
572     struct wined3d_buffer_desc desc;
573     HRESULT hr;
574 
575     desc.byte_width = size;
576     desc.usage = (usage & WINED3DUSAGE_MASK) | WINED3DUSAGE_STATICDECL;
577     if (pool == D3DPOOL_SCRATCH)
578         desc.usage |= WINED3DUSAGE_SCRATCH;
579     desc.bind_flags = WINED3D_BIND_INDEX_BUFFER;
580     desc.access = wined3daccess_from_d3dpool(pool, usage)
581             | WINED3D_RESOURCE_ACCESS_MAP_R | WINED3D_RESOURCE_ACCESS_MAP_W;
582     desc.misc_flags = 0;
583     desc.structure_byte_stride = 0;
584 
585     buffer->IDirect3DIndexBuffer9_iface.lpVtbl = &d3d9_indexbuffer_vtbl;
586     buffer->format = wined3dformat_from_d3dformat(format);
587     d3d9_resource_init(&buffer->resource);
588 
589     wined3d_mutex_lock();
590     hr = wined3d_buffer_create(device->wined3d_device, &desc, NULL, buffer,
591             &d3d9_indexbuffer_wined3d_parent_ops, &buffer->wined3d_buffer);
592     wined3d_mutex_unlock();
593     if (FAILED(hr))
594     {
595         WARN("Failed to create wined3d buffer, hr %#x.\n", hr);
596         return hr;
597     }
598 
599     buffer->parent_device = &device->IDirect3DDevice9Ex_iface;
600     IDirect3DDevice9Ex_AddRef(buffer->parent_device);
601 
602     return D3D_OK;
603 }
604 
605 struct d3d9_indexbuffer *unsafe_impl_from_IDirect3DIndexBuffer9(IDirect3DIndexBuffer9 *iface)
606 {
607     if (!iface)
608         return NULL;
609     assert(iface->lpVtbl == &d3d9_indexbuffer_vtbl);
610 
611     return impl_from_IDirect3DIndexBuffer9(iface);
612 }
613