ReactOS  0.4.14-dev-384-g5b37caa
vertexbuffer.c
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1 /* Direct3D Vertex Buffer
2  * Copyright (c) 2002 Lionel ULMER
3  * Copyright (c) 2006 Stefan DÖSINGER
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
18  */
19 
20 #include "config.h"
21 #include "wine/port.h"
22 
23 #include "ddraw_private.h"
24 
26 
27 static inline struct d3d_vertex_buffer *impl_from_IDirect3DVertexBuffer7(IDirect3DVertexBuffer7 *iface)
28 {
30 }
31 
32 /*****************************************************************************
33  * IUnknown Methods
34  *****************************************************************************/
35 
36 static HRESULT WINAPI d3d_vertex_buffer7_QueryInterface(IDirect3DVertexBuffer7 *iface, REFIID riid, void **obj)
37 {
39 
40  TRACE("iface %p, riid %s, object %p.\n", iface, debugstr_guid(riid), obj);
41 
42  *obj = NULL;
43 
45  {
47  *obj = iface;
48  return S_OK;
49  }
50  if (IsEqualGUID(&IID_IDirect3DVertexBuffer7, riid) && buffer->version == 7)
51  {
53  *obj = iface;
54  return S_OK;
55  }
56  if (IsEqualGUID(&IID_IDirect3DVertexBuffer, riid) && buffer->version == 3)
57  {
59  *obj = iface;
60  return S_OK;
61  }
62 
63  WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
64  return E_NOINTERFACE;
65 }
66 
67 static ULONG WINAPI d3d_vertex_buffer7_AddRef(IDirect3DVertexBuffer7 *iface)
68 {
71 
72  TRACE("%p increasing refcount to %u.\n", buffer, ref);
73 
74  return ref;
75 }
76 
77 static ULONG WINAPI d3d_vertex_buffer7_Release(IDirect3DVertexBuffer7 *iface)
78 {
81 
82  TRACE("%p decreasing refcount to %u.\n", buffer, ref);
83 
84  if (!ref)
85  {
86  struct wined3d_buffer *vb = NULL;
88 
89  /* D3D7 vertex buffers don't stay bound in the device, they are passed
90  * as a parameter to DrawPrimitiveVB. DrawPrimitiveVB sets them as the
91  * stream source in wined3d and they should get unset there before
92  * they are destroyed. */
94  wined3d_device_get_stream_source(buffer->ddraw->wined3d_device, 0, &vb, &offset, &stride);
95  if (vb == buffer->wined3d_buffer)
96  wined3d_device_set_stream_source(buffer->ddraw->wined3d_device, 0, NULL, 0, 0);
97 
98  wined3d_vertex_declaration_decref(buffer->wined3d_declaration);
99  wined3d_buffer_decref(buffer->wined3d_buffer);
101 
102  if (buffer->version == 7)
103  IDirectDraw7_Release(&buffer->ddraw->IDirectDraw7_iface);
104 
105  heap_free(buffer);
106  }
107 
108  return ref;
109 }
110 
111 /*****************************************************************************
112  * IDirect3DVertexBuffer Methods
113  *****************************************************************************/
114 
117 {
118  struct wined3d_buffer_desc desc;
119 
120  desc.byte_width = buffer->size;
122  if (buffer->Caps & D3DVBCAPS_WRITEONLY)
123  desc.usage |= WINED3DUSAGE_WRITEONLY;
124  if (dynamic)
125  desc.usage |= WINED3DUSAGE_DYNAMIC;
126  desc.bind_flags = WINED3D_BIND_VERTEX_BUFFER;
127  if (buffer->Caps & D3DVBCAPS_SYSTEMMEMORY)
129  else
131  desc.misc_flags = 0;
132  desc.structure_byte_stride = 0;
133 
134  return wined3d_buffer_create(buffer->ddraw->wined3d_device, &desc,
136 }
137 
138 /*****************************************************************************
139  * IDirect3DVertexBuffer7::Lock
140  *
141  * Locks the vertex buffer and returns a pointer to the vertex data
142  * Locking vertex buffers is similar to locking surfaces, because Windows
143  * uses surfaces to store vertex data internally (According to the DX sdk)
144  *
145  * Params:
146  * Flags: Locking flags. Relevant here are DDLOCK_READONLY, DDLOCK_WRITEONLY,
147  * DDLOCK_DISCARDCONTENTS and DDLOCK_NOOVERWRITE.
148  * Data: Returns a pointer to the vertex data
149  * Size: Returns the size of the buffer if not NULL
150  *
151  * Returns:
152  * D3D_OK on success
153  * DDERR_INVALIDPARAMS if Data is NULL
154  * D3DERR_VERTEXBUFFEROPTIMIZED if called on an optimized buffer(WineD3D)
155  *
156  *****************************************************************************/
157 static HRESULT WINAPI d3d_vertex_buffer7_Lock(IDirect3DVertexBuffer7 *iface,
158  DWORD flags, void **data, DWORD *data_size)
159 {
161  struct wined3d_resource_desc wined3d_desc;
164  HRESULT hr;
165 
166  TRACE("iface %p, flags %#x, data %p, data_size %p.\n", iface, flags, data, data_size);
167 
168  if (buffer->version != 7)
170 
171  if (!(flags & DDLOCK_WAIT))
174  {
175  if (!buffer->dynamic)
176  {
177  struct wined3d_buffer *new_buffer;
180  if (SUCCEEDED(hr))
181  {
182  buffer->dynamic = TRUE;
183  wined3d_buffer_decref(buffer->wined3d_buffer);
184  buffer->wined3d_buffer = new_buffer;
185  }
186  else
187  {
188  WARN("Failed to create a dynamic buffer\n");
189  }
191  }
192  }
193 
195  if (data_size)
196  {
197  /* Get the size, for returning it, and for locking */
200  *data_size = wined3d_desc.size;
201  }
202 
206 
208 
209  return hr;
210 }
211 
212 /*****************************************************************************
213  * IDirect3DVertexBuffer7::Unlock
214  *
215  * Unlocks a vertex Buffer
216  *
217  * Returns:
218  * D3D_OK on success
219  *
220  *****************************************************************************/
221 static HRESULT WINAPI d3d_vertex_buffer7_Unlock(IDirect3DVertexBuffer7 *iface)
222 {
224 
225  TRACE("iface %p.\n", iface);
226 
230 
231  return D3D_OK;
232 }
233 
234 /*****************************************************************************
235  * IDirect3DVertexBuffer7::ProcessVertices
236  *
237  * Processes untransformed Vertices into a transformed or optimized vertex
238  * buffer. It can also perform other operations, such as lighting or clipping
239  *
240  * Params
241  * VertexOp: Operation(s) to perform: D3DVOP_CLIP, _EXTENTS, _LIGHT, _TRANSFORM
242  * DestIndex: Index in the destination buffer(This), where the vertices are
243  * placed
244  * Count: Number of Vertices in the Source buffer to process
245  * SrcBuffer: Source vertex buffer
246  * SrcIndex: Index of the first vertex in the src buffer to process
247  * D3DDevice: Device to use for transformation
248  * Flags: 0 for default, D3DPV_DONOTCOPYDATA to prevent copying
249  * unchanged vertices
250  *
251  * Returns:
252  * D3D_OK on success
253  * DDERR_INVALIDPARAMS If D3DVOP_TRANSFORM wasn't passed
254  *
255  *****************************************************************************/
256 static HRESULT WINAPI d3d_vertex_buffer7_ProcessVertices(IDirect3DVertexBuffer7 *iface,
257  DWORD vertex_op, DWORD dst_idx, DWORD count, IDirect3DVertexBuffer7 *src_buffer,
258  DWORD src_idx, IDirect3DDevice7 *device, DWORD flags)
259 {
260  struct d3d_vertex_buffer *dst_buffer_impl = impl_from_IDirect3DVertexBuffer7(iface);
261  struct d3d_vertex_buffer *src_buffer_impl = unsafe_impl_from_IDirect3DVertexBuffer7(src_buffer);
262  struct d3d_device *device_impl = dst_buffer_impl->version == 7
264  : unsafe_impl_from_IDirect3DDevice3((IDirect3DDevice3 *)device);
265  BOOL oldClip, doClip;
266  HRESULT hr;
267 
268  TRACE("iface %p, vertex_op %#x, dst_idx %u, count %u, src_buffer %p, src_idx %u, device %p, flags %#x.\n",
269  iface, vertex_op, dst_idx, count, src_buffer, src_idx, device, flags);
270 
271  /* Vertex operations:
272  * D3DVOP_CLIP: Clips vertices outside the viewing frustrum. Needs clipping information
273  * in the vertex buffer (Buffer may not be created with D3DVBCAPS_DONOTCLIP)
274  * D3DVOP_EXTENTS: Causes the screen extents to be updated when rendering the vertices
275  * D3DVOP_LIGHT: Lights the vertices
276  * D3DVOP_TRANSFORM: Transform the vertices. This flag is necessary
277  *
278  * WineD3D only transforms and clips the vertices by now, so EXTENTS and LIGHT
279  * are not implemented. Clipping is disabled ATM, because of unsure conditions.
280  */
281  if (!(vertex_op & D3DVOP_TRANSFORM))
282  return DDERR_INVALIDPARAMS;
283 
285 
286  /* WineD3D doesn't know d3d7 vertex operation, it uses
287  * render states instead. Set the render states according to
288  * the vertex ops
289  */
290  doClip = !!(vertex_op & D3DVOP_CLIP);
292  if (doClip != oldClip)
294 
296  0, src_buffer_impl->wined3d_buffer, 0, get_flexible_vertex_size(src_buffer_impl->fvf));
298  hr = wined3d_device_process_vertices(device_impl->wined3d_device, src_idx, dst_idx,
299  count, dst_buffer_impl->wined3d_buffer, NULL, flags, dst_buffer_impl->fvf);
300 
301  /* Restore the states if needed */
302  if (doClip != oldClip)
304 
306 
307  return hr;
308 }
309 
310 /*****************************************************************************
311  * IDirect3DVertexBuffer7::GetVertexBufferDesc
312  *
313  * Returns the description of a vertex buffer
314  *
315  * Params:
316  * Desc: Address to write the description to
317  *
318  * Returns
319  * DDERR_INVALIDPARAMS if Desc is NULL
320  * D3D_OK on success
321  *
322  *****************************************************************************/
324 {
326  struct wined3d_resource_desc wined3d_desc;
328 
329  TRACE("iface %p, desc %p.\n", iface, desc);
330 
331  if (!desc) return DDERR_INVALIDPARAMS;
332 
337 
338  /* Now fill the desc structure */
339  desc->dwCaps = buffer->Caps;
340  desc->dwFVF = buffer->fvf;
341  desc->dwNumVertices = wined3d_desc.size / get_flexible_vertex_size(buffer->fvf);
342 
343  return D3D_OK;
344 }
345 
346 /*****************************************************************************
347  * IDirect3DVertexBuffer7::Optimize
348  *
349  * Converts an unoptimized vertex buffer into an optimized buffer
350  *
351  * Params:
352  * D3DDevice: Device for which this buffer is optimized
353  * Flags: Not used, should be set to 0
354  *
355  * Returns
356  * D3D_OK, because it's a stub
357  *
358  *****************************************************************************/
359 static HRESULT WINAPI d3d_vertex_buffer7_Optimize(IDirect3DVertexBuffer7 *iface,
360  IDirect3DDevice7 *device, DWORD flags)
361 {
363  static BOOL hide = FALSE;
364 
365  TRACE("iface %p, device %p, flags %#x.\n", iface, device, flags);
366 
367  if (!hide)
368  {
369  FIXME("iface %p, device %p, flags %#x stub!\n", iface, device, flags);
370  hide = TRUE;
371  }
372 
373  /* We could forward this call to WineD3D and take advantage
374  * of it once we use OpenGL vertex buffers
375  */
377  buffer->Caps |= D3DVBCAPS_OPTIMIZED;
379 
380  return DD_OK;
381 }
382 
383 /*****************************************************************************
384  * IDirect3DVertexBuffer7::ProcessVerticesStrided
385  *
386  * This method processes untransformed strided vertices into a processed
387  * or optimized vertex buffer.
388  *
389  * For more details on the parameters, see
390  * IDirect3DVertexBuffer7::ProcessVertices
391  *
392  * Params:
393  * VertexOp: Operations to perform
394  * DestIndex: Destination index to write the vertices to
395  * Count: Number of input vertices
396  * StrideData: Array containing the input vertices
397  * VertexTypeDesc: Vertex Description or source index?????????
398  * D3DDevice: IDirect3DDevice7 to use for processing
399  * Flags: Can be D3DPV_DONOTCOPYDATA to avoid copying unmodified vertices
400  *
401  * Returns
402  * D3D_OK on success, or DDERR_*
403  *
404  *****************************************************************************/
405 static HRESULT WINAPI d3d_vertex_buffer7_ProcessVerticesStrided(IDirect3DVertexBuffer7 *iface,
406  DWORD vertex_op, DWORD dst_idx, DWORD count, D3DDRAWPRIMITIVESTRIDEDDATA *data,
407  DWORD fvf, IDirect3DDevice7 *device, DWORD flags)
408 {
409  FIXME("iface %p, vertex_op %#x, dst_idx %u, count %u, data %p, fvf %#x, device %p, flags %#x stub!\n",
410  iface, vertex_op, dst_idx, count, data, fvf, device, flags);
411 
412  return DD_OK;
413 }
414 
415 /*****************************************************************************
416  * The VTables
417  *****************************************************************************/
418 
419 static const struct IDirect3DVertexBuffer7Vtbl d3d_vertex_buffer7_vtbl =
420 {
430 };
431 
434 {
435  struct d3d_vertex_buffer *buffer;
436  HRESULT hr = D3D_OK;
437 
438  TRACE("Vertex buffer description:\n");
439  TRACE(" dwSize %u\n", desc->dwSize);
440  TRACE(" dwCaps %#x\n", desc->dwCaps);
441  TRACE(" FVF %#x\n", desc->dwFVF);
442  TRACE(" dwNumVertices %u\n", desc->dwNumVertices);
443 
444  if (!(buffer = heap_alloc_zero(sizeof(*buffer))))
445  return DDERR_OUTOFMEMORY;
446 
447  buffer->IDirect3DVertexBuffer7_iface.lpVtbl = &d3d_vertex_buffer7_vtbl;
448  buffer->ref = 1;
449  buffer->version = ddraw->d3dversion;
450  if (buffer->version == 7)
451  IDirectDraw7_AddRef(&ddraw->IDirectDraw7_iface);
452  buffer->ddraw = ddraw;
453  buffer->Caps = desc->dwCaps;
454  buffer->fvf = desc->dwFVF;
455  buffer->size = get_flexible_vertex_size(desc->dwFVF) * desc->dwNumVertices;
456 
458 
460  {
461  WARN("Failed to create wined3d vertex buffer, hr %#x.\n", hr);
462  if (hr == WINED3DERR_INVALIDCALL)
464  goto end;
465  }
466 
467  if (!(buffer->wined3d_declaration = ddraw_find_decl(ddraw, desc->dwFVF)))
468  {
469  ERR("Failed to find vertex declaration for fvf %#x.\n", desc->dwFVF);
470  wined3d_buffer_decref(buffer->wined3d_buffer);
472  goto end;
473  }
474  wined3d_vertex_declaration_incref(buffer->wined3d_declaration);
475 
476 end:
478  if (hr == D3D_OK)
479  *vertex_buf = buffer;
480  else
481  heap_free(buffer);
482 
483  return hr;
484 }
485 
486 struct d3d_vertex_buffer *unsafe_impl_from_IDirect3DVertexBuffer7(IDirect3DVertexBuffer7 *iface)
487 {
488  if (!iface)
489  return NULL;
490  assert(iface->lpVtbl == &d3d_vertex_buffer7_vtbl);
491 
492  return impl_from_IDirect3DVertexBuffer7(iface);
493 }
HRESULT CDECL wined3d_device_get_stream_source(const struct wined3d_device *device, UINT stream_idx, struct wined3d_buffer **buffer, UINT *offset, UINT *stride)
Definition: device.c:1428
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HRESULT hr
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HRESULT CDECL wined3d_device_process_vertices(struct wined3d_device *device, UINT src_start_idx, UINT dst_idx, UINT vertex_count, struct wined3d_buffer *dst_buffer, const struct wined3d_vertex_declaration *declaration, DWORD flags, DWORD dst_fvf)
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#define DDLOCK_NOOVERWRITE
Definition: ddraw.h:627
void WINAPI wined3d_mutex_unlock(void)
Definition: wined3d_main.c:373
#define DDLOCK_DISCARDCONTENTS
Definition: ddraw.h:628
ULONG CDECL wined3d_vertex_declaration_incref(struct wined3d_vertex_declaration *declaration)
#define DDERR_INVALIDPARAMS
Definition: ddraw.h:79
#define SUCCEEDED(hr)
Definition: intsafe.h:57
static ULONG WINAPI d3d_vertex_buffer7_Release(IDirect3DVertexBuffer7 *iface)
Definition: vertexbuffer.c:77
static BOOL heap_free(void *mem)
Definition: appwiz.h:75
struct wined3d_vertex_declaration * ddraw_find_decl(struct ddraw *This, DWORD fvf)
Definition: ddraw.c:4781
DWORD CDECL wined3d_device_get_render_state(const struct wined3d_device *device, enum wined3d_render_state state)
Definition: device.c:2064