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d3dx9_36: Return on error (coverity).
[wine.git] / dlls / d3dx9_36 / mesh.c
blobf1ad7c802b51d80565225e30a606cf6198351389
1 /*
2 * Mesh operations specific to D3DX9.
3 *
4 * Copyright (C) 2005 Henri Verbeet
5 * Copyright (C) 2006 Ivan Gyurdiev
6 * Copyright (C) 2009 David Adam
7 * Copyright (C) 2010 Tony Wasserka
8 * Copyright (C) 2011 Dylan Smith
9 * Copyright (C) 2011 Michael Mc Donnell
10 *
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
15 *
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 */
25
26 #include "config.h"
27 #include "wine/port.h"
28
29 #define COBJMACROS
30 #define NONAMELESSUNION
31 #include <assert.h>
32 #ifdef HAVE_FLOAT_H
33 # include <float.h>
34 #endif
35 #include "windef.h"
36 #include "wingdi.h"
37 #include "d3dx9.h"
38 #undef MAKE_DDHRESULT
39 #include "dxfile.h"
40 #include "rmxfguid.h"
41 #include "rmxftmpl.h"
42 #include "wine/debug.h"
43 #include "wine/unicode.h"
44 #include "wine/list.h"
45 #include "d3dx9_36_private.h"
46
47 WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
48
49 typedef struct ID3DXMeshImpl
50 {
51 ID3DXMesh ID3DXMesh_iface;
52 LONG ref;
53
54 DWORD numfaces;
55 DWORD numvertices;
56 DWORD options;
57 DWORD fvf;
58 IDirect3DDevice9 *device;
59 D3DVERTEXELEMENT9 cached_declaration[MAX_FVF_DECL_SIZE];
60 IDirect3DVertexDeclaration9 *vertex_declaration;
61 UINT vertex_declaration_size;
62 UINT num_elem;
63 IDirect3DVertexBuffer9 *vertex_buffer;
64 IDirect3DIndexBuffer9 *index_buffer;
65 DWORD *attrib_buffer;
66 int attrib_buffer_lock_count;
67 DWORD attrib_table_size;
68 D3DXATTRIBUTERANGE *attrib_table;
69 } ID3DXMeshImpl;
70
71 const UINT d3dx_decltype_size[] =
72 {
73 /* D3DDECLTYPE_FLOAT1 */ sizeof(FLOAT),
74 /* D3DDECLTYPE_FLOAT2 */ sizeof(D3DXVECTOR2),
75 /* D3DDECLTYPE_FLOAT3 */ sizeof(D3DXVECTOR3),
76 /* D3DDECLTYPE_FLOAT4 */ sizeof(D3DXVECTOR4),
77 /* D3DDECLTYPE_D3DCOLOR */ sizeof(D3DCOLOR),
78 /* D3DDECLTYPE_UBYTE4 */ 4 * sizeof(BYTE),
79 /* D3DDECLTYPE_SHORT2 */ 2 * sizeof(SHORT),
80 /* D3DDECLTYPE_SHORT4 */ 4 * sizeof(SHORT),
81 /* D3DDECLTYPE_UBYTE4N */ 4 * sizeof(BYTE),
82 /* D3DDECLTYPE_SHORT2N */ 2 * sizeof(SHORT),
83 /* D3DDECLTYPE_SHORT4N */ 4 * sizeof(SHORT),
84 /* D3DDECLTYPE_USHORT2N */ 2 * sizeof(USHORT),
85 /* D3DDECLTYPE_USHORT4N */ 4 * sizeof(USHORT),
86 /* D3DDECLTYPE_UDEC3 */ 4, /* 3 * 10 bits + 2 padding */
87 /* D3DDECLTYPE_DEC3N */ 4,
88 /* D3DDECLTYPE_FLOAT16_2 */ 2 * sizeof(D3DXFLOAT16),
89 /* D3DDECLTYPE_FLOAT16_4 */ 4 * sizeof(D3DXFLOAT16),
90 };
91
92 static inline ID3DXMeshImpl *impl_from_ID3DXMesh(ID3DXMesh *iface)
93 {
94 return CONTAINING_RECORD(iface, ID3DXMeshImpl, ID3DXMesh_iface);
95 }
96
97 static HRESULT WINAPI ID3DXMeshImpl_QueryInterface(ID3DXMesh *iface, REFIID riid, LPVOID *object)
98 {
99 TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), object);
100
101 if (IsEqualGUID(riid, &IID_IUnknown) ||
102 IsEqualGUID(riid, &IID_ID3DXBaseMesh) ||
103 IsEqualGUID(riid, &IID_ID3DXMesh))
104 {
105 iface->lpVtbl->AddRef(iface);
106 *object = iface;
107 return S_OK;
108 }
109
110 WARN("Interface %s not found.\n", debugstr_guid(riid));
111
112 return E_NOINTERFACE;
113 }
114
115 static ULONG WINAPI ID3DXMeshImpl_AddRef(ID3DXMesh *iface)
116 {
117 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
118
119 TRACE("(%p)->(): AddRef from %d\n", This, This->ref);
120
121 return InterlockedIncrement(&This->ref);
122 }
123
124 static ULONG WINAPI ID3DXMeshImpl_Release(ID3DXMesh *iface)
125 {
126 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
127 ULONG ref = InterlockedDecrement(&This->ref);
128
129 TRACE("(%p)->(): Release from %d\n", This, ref + 1);
130
131 if (!ref)
132 {
133 IDirect3DIndexBuffer9_Release(This->index_buffer);
134 IDirect3DVertexBuffer9_Release(This->vertex_buffer);
135 if (This->vertex_declaration)
136 IDirect3DVertexDeclaration9_Release(This->vertex_declaration);
137 IDirect3DDevice9_Release(This->device);
138 HeapFree(GetProcessHeap(), 0, This->attrib_buffer);
139 HeapFree(GetProcessHeap(), 0, This->attrib_table);
140 HeapFree(GetProcessHeap(), 0, This);
141 }
142
143 return ref;
144 }
145
146 /*** ID3DXBaseMesh ***/
147 static HRESULT WINAPI ID3DXMeshImpl_DrawSubset(ID3DXMesh *iface, DWORD attrib_id)
148 {
149 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
150 HRESULT hr;
151 DWORD face_start;
152 DWORD face_end = 0;
153 DWORD vertex_size;
154
155 TRACE("(%p)->(%u)\n", This, attrib_id);
156
157 if (!This->vertex_declaration)
158 {
159 WARN("Can't draw a mesh with an invalid vertex declaration.\n");
160 return E_FAIL;
161 }
162
163 vertex_size = iface->lpVtbl->GetNumBytesPerVertex(iface);
164
165 hr = IDirect3DDevice9_SetVertexDeclaration(This->device, This->vertex_declaration);
166 if (FAILED(hr)) return hr;
167 hr = IDirect3DDevice9_SetStreamSource(This->device, 0, This->vertex_buffer, 0, vertex_size);
168 if (FAILED(hr)) return hr;
169 hr = IDirect3DDevice9_SetIndices(This->device, This->index_buffer);
170 if (FAILED(hr)) return hr;
171
172 while (face_end < This->numfaces)
173 {
174 for (face_start = face_end; face_start < This->numfaces; face_start++)
175 {
176 if (This->attrib_buffer[face_start] == attrib_id)
177 break;
178 }
179 if (face_start >= This->numfaces)
180 break;
181 for (face_end = face_start + 1; face_end < This->numfaces; face_end++)
182 {
183 if (This->attrib_buffer[face_end] != attrib_id)
184 break;
185 }
186
187 hr = IDirect3DDevice9_DrawIndexedPrimitive(This->device, D3DPT_TRIANGLELIST,
188 0, 0, This->numvertices, face_start * 3, face_end - face_start);
189 if (FAILED(hr)) return hr;
190 }
191
192 return D3D_OK;
193 }
194
195 static DWORD WINAPI ID3DXMeshImpl_GetNumFaces(ID3DXMesh *iface)
196 {
197 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
198
199 TRACE("(%p)\n", This);
200
201 return This->numfaces;
202 }
203
204 static DWORD WINAPI ID3DXMeshImpl_GetNumVertices(ID3DXMesh *iface)
205 {
206 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
207
208 TRACE("(%p)\n", This);
209
210 return This->numvertices;
211 }
212
213 static DWORD WINAPI ID3DXMeshImpl_GetFVF(ID3DXMesh *iface)
214 {
215 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
216
217 TRACE("(%p)\n", This);
218
219 return This->fvf;
220 }
221
222 static void copy_declaration(D3DVERTEXELEMENT9 *dst, const D3DVERTEXELEMENT9 *src, UINT num_elem)
223 {
224 memcpy(dst, src, num_elem * sizeof(*src));
225 }
226
227 static HRESULT WINAPI ID3DXMeshImpl_GetDeclaration(ID3DXMesh *iface, D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE])
228 {
229 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
230
231 TRACE("(%p)\n", This);
232
233 if (declaration == NULL) return D3DERR_INVALIDCALL;
234
235 copy_declaration(declaration, This->cached_declaration, This->num_elem);
236
237 return D3D_OK;
238 }
239
240 static DWORD WINAPI ID3DXMeshImpl_GetNumBytesPerVertex(ID3DXMesh *iface)
241 {
242 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
243
244 TRACE("iface (%p)\n", This);
245
246 return This->vertex_declaration_size;
247 }
248
249 static DWORD WINAPI ID3DXMeshImpl_GetOptions(ID3DXMesh *iface)
250 {
251 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
252
253 TRACE("(%p)\n", This);
254
255 return This->options;
256 }
257
258 static HRESULT WINAPI ID3DXMeshImpl_GetDevice(struct ID3DXMesh *iface, struct IDirect3DDevice9 **device)
259 {
260 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
261
262 TRACE("(%p)->(%p)\n", This, device);
263
264 if (device == NULL) return D3DERR_INVALIDCALL;
265 *device = This->device;
266 IDirect3DDevice9_AddRef(This->device);
267
268 return D3D_OK;
269 }
270
271 static HRESULT WINAPI ID3DXMeshImpl_CloneMeshFVF(struct ID3DXMesh *iface, DWORD options, DWORD fvf,
272 struct IDirect3DDevice9 *device, struct ID3DXMesh **clone_mesh)
273 {
274 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
275 HRESULT hr;
276 D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE];
277
278 TRACE("(%p)->(%x,%x,%p,%p)\n", This, options, fvf, device, clone_mesh);
279
280 hr = D3DXDeclaratorFromFVF(fvf, declaration);
281 if (FAILED(hr)) return hr;
282
283 return iface->lpVtbl->CloneMesh(iface, options, declaration, device, clone_mesh);
284 }
285
286 static FLOAT scale_clamp_ubyten(FLOAT value)
287 {
288 value = value * UCHAR_MAX;
289
290 if (value < 0.0f)
291 {
292 return 0.0f;
293 }
294 else
295 {
296 if (value > UCHAR_MAX) /* Clamp at 255 */
297 return UCHAR_MAX;
298 else
299 return value;
300 }
301 }
302
303 static FLOAT scale_clamp_shortn(FLOAT value)
304 {
305 value = value * SHRT_MAX;
306
307 /* The tests show that the range is SHRT_MIN + 1 to SHRT_MAX. */
308 if (value <= SHRT_MIN)
309 {
310 return SHRT_MIN + 1;
311 }
312 else if (value > SHRT_MAX)
313 {
314 return SHRT_MAX;
315 }
316 else
317 {
318 return value;
319 }
320 }
321
322 static FLOAT scale_clamp_ushortn(FLOAT value)
323 {
324 value = value * USHRT_MAX;
325
326 if (value < 0.0f)
327 {
328 return 0.0f;
329 }
330 else
331 {
332 if (value > USHRT_MAX) /* Clamp at 65535 */
333 return USHRT_MAX;
334 else
335 return value;
336 }
337 }
338
339 static INT simple_round(FLOAT value)
340 {
341 int res = (INT)(value + 0.5f);
342
343 return res;
344 }
345
346 static void convert_float4(BYTE *dst, CONST D3DXVECTOR4 *src, D3DDECLTYPE type_dst)
347 {
348 BOOL fixme_once = FALSE;
349
350 switch (type_dst)
351 {
352 case D3DDECLTYPE_FLOAT1:
353 {
354 FLOAT *dst_ptr = (FLOAT*)dst;
355 *dst_ptr = src->x;
356 break;
357 }
358 case D3DDECLTYPE_FLOAT2:
359 {
360 D3DXVECTOR2 *dst_ptr = (D3DXVECTOR2*)dst;
361 dst_ptr->x = src->x;
362 dst_ptr->y = src->y;
363 break;
364 }
365 case D3DDECLTYPE_FLOAT3:
366 {
367 D3DXVECTOR3 *dst_ptr = (D3DXVECTOR3*)dst;
368 dst_ptr->x = src->x;
369 dst_ptr->y = src->y;
370 dst_ptr->z = src->z;
371 break;
372 }
373 case D3DDECLTYPE_FLOAT4:
374 {
375 D3DXVECTOR4 *dst_ptr = (D3DXVECTOR4*)dst;
376 dst_ptr->x = src->x;
377 dst_ptr->y = src->y;
378 dst_ptr->z = src->z;
379 dst_ptr->w = src->w;
380 break;
381 }
382 case D3DDECLTYPE_D3DCOLOR:
383 {
384 dst[0] = (BYTE)simple_round(scale_clamp_ubyten(src->z));
385 dst[1] = (BYTE)simple_round(scale_clamp_ubyten(src->y));
386 dst[2] = (BYTE)simple_round(scale_clamp_ubyten(src->x));
387 dst[3] = (BYTE)simple_round(scale_clamp_ubyten(src->w));
388 break;
389 }
390 case D3DDECLTYPE_UBYTE4:
391 {
392 dst[0] = src->x < 0.0f ? 0 : (BYTE)simple_round(src->x);
393 dst[1] = src->y < 0.0f ? 0 : (BYTE)simple_round(src->y);
394 dst[2] = src->z < 0.0f ? 0 : (BYTE)simple_round(src->z);
395 dst[3] = src->w < 0.0f ? 0 : (BYTE)simple_round(src->w);
396 break;
397 }
398 case D3DDECLTYPE_SHORT2:
399 {
400 SHORT *dst_ptr = (SHORT*)dst;
401 dst_ptr[0] = (SHORT)simple_round(src->x);
402 dst_ptr[1] = (SHORT)simple_round(src->y);
403 break;
404 }
405 case D3DDECLTYPE_SHORT4:
406 {
407 SHORT *dst_ptr = (SHORT*)dst;
408 dst_ptr[0] = (SHORT)simple_round(src->x);
409 dst_ptr[1] = (SHORT)simple_round(src->y);
410 dst_ptr[2] = (SHORT)simple_round(src->z);
411 dst_ptr[3] = (SHORT)simple_round(src->w);
412 break;
413 }
414 case D3DDECLTYPE_UBYTE4N:
415 {
416 dst[0] = (BYTE)simple_round(scale_clamp_ubyten(src->x));
417 dst[1] = (BYTE)simple_round(scale_clamp_ubyten(src->y));
418 dst[2] = (BYTE)simple_round(scale_clamp_ubyten(src->z));
419 dst[3] = (BYTE)simple_round(scale_clamp_ubyten(src->w));
420 break;
421 }
422 case D3DDECLTYPE_SHORT2N:
423 {
424 SHORT *dst_ptr = (SHORT*)dst;
425 dst_ptr[0] = (SHORT)simple_round(scale_clamp_shortn(src->x));
426 dst_ptr[1] = (SHORT)simple_round(scale_clamp_shortn(src->y));
427 break;
428 }
429 case D3DDECLTYPE_SHORT4N:
430 {
431 SHORT *dst_ptr = (SHORT*)dst;
432 dst_ptr[0] = (SHORT)simple_round(scale_clamp_shortn(src->x));
433 dst_ptr[1] = (SHORT)simple_round(scale_clamp_shortn(src->y));
434 dst_ptr[2] = (SHORT)simple_round(scale_clamp_shortn(src->z));
435 dst_ptr[3] = (SHORT)simple_round(scale_clamp_shortn(src->w));
436 break;
437 }
438 case D3DDECLTYPE_USHORT2N:
439 {
440 USHORT *dst_ptr = (USHORT*)dst;
441 dst_ptr[0] = (USHORT)simple_round(scale_clamp_ushortn(src->x));
442 dst_ptr[1] = (USHORT)simple_round(scale_clamp_ushortn(src->y));
443 break;
444 }
445 case D3DDECLTYPE_USHORT4N:
446 {
447 USHORT *dst_ptr = (USHORT*)dst;
448 dst_ptr[0] = (USHORT)simple_round(scale_clamp_ushortn(src->x));
449 dst_ptr[1] = (USHORT)simple_round(scale_clamp_ushortn(src->y));
450 dst_ptr[2] = (USHORT)simple_round(scale_clamp_ushortn(src->z));
451 dst_ptr[3] = (USHORT)simple_round(scale_clamp_ushortn(src->w));
452 break;
453 }
454 case D3DDECLTYPE_FLOAT16_2:
455 {
456 D3DXFloat32To16Array((D3DXFLOAT16*)dst, (FLOAT*)src, 2);
457 break;
458 }
459 case D3DDECLTYPE_FLOAT16_4:
460 {
461 D3DXFloat32To16Array((D3DXFLOAT16*)dst, (FLOAT*)src, 4);
462 break;
463 }
464 default:
465 if (!fixme_once++)
466 FIXME("Conversion from D3DDECLTYPE_FLOAT4 to %d not implemented.\n", type_dst);
467 break;
468 }
469 }
470
471 static void convert_component(BYTE *dst, BYTE *src, D3DDECLTYPE type_dst, D3DDECLTYPE type_src)
472 {
473 BOOL fixme_once = FALSE;
474
475 switch (type_src)
476 {
477 case D3DDECLTYPE_FLOAT1:
478 {
479 FLOAT *src_ptr = (FLOAT*)src;
480 D3DXVECTOR4 src_float4 = {*src_ptr, 0.0f, 0.0f, 1.0f};
481 convert_float4(dst, &src_float4, type_dst);
482 break;
483 }
484 case D3DDECLTYPE_FLOAT2:
485 {
486 D3DXVECTOR2 *src_ptr = (D3DXVECTOR2*)src;
487 D3DXVECTOR4 src_float4 = {src_ptr->x, src_ptr->y, 0.0f, 1.0f};
488 convert_float4(dst, &src_float4, type_dst);
489 break;
490 }
491 case D3DDECLTYPE_FLOAT3:
492 {
493 D3DXVECTOR3 *src_ptr = (D3DXVECTOR3*)src;
494 D3DXVECTOR4 src_float4 = {src_ptr->x, src_ptr->y, src_ptr->z, 1.0f};
495 convert_float4(dst, &src_float4, type_dst);
496 break;
497 }
498 case D3DDECLTYPE_FLOAT4:
499 {
500 D3DXVECTOR4 *src_ptr = (D3DXVECTOR4*)src;
501 D3DXVECTOR4 src_float4 = {src_ptr->x, src_ptr->y, src_ptr->z, src_ptr->w};
502 convert_float4(dst, &src_float4, type_dst);
503 break;
504 }
505 case D3DDECLTYPE_D3DCOLOR:
506 {
507 D3DXVECTOR4 src_float4 =
508 {
509 (FLOAT)src[2]/UCHAR_MAX,
510 (FLOAT)src[1]/UCHAR_MAX,
511 (FLOAT)src[0]/UCHAR_MAX,
512 (FLOAT)src[3]/UCHAR_MAX
513 };
514 convert_float4(dst, &src_float4, type_dst);
515 break;
516 }
517 case D3DDECLTYPE_UBYTE4:
518 {
519 D3DXVECTOR4 src_float4 = {src[0], src[1], src[2], src[3]};
520 convert_float4(dst, &src_float4, type_dst);
521 break;
522 }
523 case D3DDECLTYPE_SHORT2:
524 {
525 SHORT *src_ptr = (SHORT*)src;
526 D3DXVECTOR4 src_float4 = {src_ptr[0], src_ptr[1], 0.0f, 1.0f};
527 convert_float4(dst, &src_float4, type_dst);
528 break;
529 }
530 case D3DDECLTYPE_SHORT4:
531 {
532 SHORT *src_ptr = (SHORT*)src;
533 D3DXVECTOR4 src_float4 = {src_ptr[0], src_ptr[1], src_ptr[2], src_ptr[3]};
534 convert_float4(dst, &src_float4, type_dst);
535 break;
536 }
537 case D3DDECLTYPE_UBYTE4N:
538 {
539 D3DXVECTOR4 src_float4 =
540 {
541 (FLOAT)src[0]/UCHAR_MAX,
542 (FLOAT)src[1]/UCHAR_MAX,
543 (FLOAT)src[2]/UCHAR_MAX,
544 (FLOAT)src[3]/UCHAR_MAX
545 };
546 convert_float4(dst, &src_float4, type_dst);
547 break;
548 }
549 case D3DDECLTYPE_SHORT2N:
550 {
551 SHORT *src_ptr = (SHORT*)src;
552 D3DXVECTOR4 src_float4 = {(FLOAT)src_ptr[0]/SHRT_MAX, (FLOAT)src_ptr[1]/SHRT_MAX, 0.0f, 1.0f};
553 convert_float4(dst, &src_float4, type_dst);
554 break;
555 }
556 case D3DDECLTYPE_SHORT4N:
557 {
558 SHORT *src_ptr = (SHORT*)src;
559 D3DXVECTOR4 src_float4 =
560 {
561 (FLOAT)src_ptr[0]/SHRT_MAX,
562 (FLOAT)src_ptr[1]/SHRT_MAX,
563 (FLOAT)src_ptr[2]/SHRT_MAX,
564 (FLOAT)src_ptr[3]/SHRT_MAX
565 };
566 convert_float4(dst, &src_float4, type_dst);
567 break;
568 }
569 case D3DDECLTYPE_FLOAT16_2:
570 {
571 D3DXVECTOR4 src_float4 = {0.0f, 0.0f, 0.0f, 1.0f};
572 D3DXFloat16To32Array((FLOAT*)&src_float4, (D3DXFLOAT16*)src, 2);
573 convert_float4(dst, &src_float4, type_dst);
574 break;
575 }
576 case D3DDECLTYPE_FLOAT16_4:
577 {
578 D3DXVECTOR4 src_float4;
579 D3DXFloat16To32Array((FLOAT*)&src_float4, (D3DXFLOAT16*)src, 4);
580 convert_float4(dst, &src_float4, type_dst);
581 break;
582 }
583 default:
584 if (!fixme_once++)
585 FIXME("Conversion of D3DDECLTYPE %d to %d not implemented.\n", type_src, type_dst);
586 break;
587 }
588 }
589
590 static INT get_equivalent_declaration_index(D3DVERTEXELEMENT9 orig_declaration, D3DVERTEXELEMENT9 *declaration)
591 {
592 INT i;
593
594 for (i = 0; declaration[i].Stream != 0xff; i++)
595 {
596 if (orig_declaration.Usage == declaration[i].Usage
597 && orig_declaration.UsageIndex == declaration[i].UsageIndex)
598 {
599 return i;
600 }
601 }
602
603 return -1;
604 }
605
606 static HRESULT convert_vertex_buffer(ID3DXMesh *mesh_dst, ID3DXMesh *mesh_src)
607 {
608 HRESULT hr;
609 D3DVERTEXELEMENT9 orig_declaration[MAX_FVF_DECL_SIZE] = {D3DDECL_END()};
610 D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE] = {D3DDECL_END()};
611 BYTE *vb_dst = NULL;
612 BYTE *vb_src = NULL;
613 UINT i;
614 UINT num_vertices = mesh_src->lpVtbl->GetNumVertices(mesh_src);
615 UINT dst_vertex_size = mesh_dst->lpVtbl->GetNumBytesPerVertex(mesh_dst);
616 UINT src_vertex_size = mesh_src->lpVtbl->GetNumBytesPerVertex(mesh_src);
617
618 hr = mesh_src->lpVtbl->GetDeclaration(mesh_src, orig_declaration);
619 if (FAILED(hr)) return hr;
620 hr = mesh_dst->lpVtbl->GetDeclaration(mesh_dst, declaration);
621 if (FAILED(hr)) return hr;
622
623 hr = mesh_src->lpVtbl->LockVertexBuffer(mesh_src, D3DLOCK_READONLY, (void**)&vb_src);
624 if (FAILED(hr)) goto cleanup;
625 hr = mesh_dst->lpVtbl->LockVertexBuffer(mesh_dst, 0, (void**)&vb_dst);
626 if (FAILED(hr)) goto cleanup;
627
628 /* Clear all new fields by clearing the entire vertex buffer. */
629 memset(vb_dst, 0, num_vertices * dst_vertex_size);
630
631 for (i = 0; orig_declaration[i].Stream != 0xff; i++)
632 {
633 INT eq_idx = get_equivalent_declaration_index(orig_declaration[i], declaration);
634
635 if (eq_idx >= 0)
636 {
637 UINT j;
638 for (j = 0; j < num_vertices; j++)
639 {
640 UINT idx_dst = dst_vertex_size * j + declaration[eq_idx].Offset;
641 UINT idx_src = src_vertex_size * j + orig_declaration[i].Offset;
642 UINT type_size = d3dx_decltype_size[orig_declaration[i].Type];
643
644 if (orig_declaration[i].Type == declaration[eq_idx].Type)
645 memcpy(&vb_dst[idx_dst], &vb_src[idx_src], type_size);
646 else
647 convert_component(&vb_dst[idx_dst], &vb_src[idx_src], declaration[eq_idx].Type, orig_declaration[i].Type);
648 }
649 }
650 }
651
652 hr = D3D_OK;
653 cleanup:
654 if (vb_dst) mesh_dst->lpVtbl->UnlockVertexBuffer(mesh_dst);
655 if (vb_src) mesh_src->lpVtbl->UnlockVertexBuffer(mesh_src);
656
657 return hr;
658 }
659
660 static BOOL declaration_equals(CONST D3DVERTEXELEMENT9 *declaration1, CONST D3DVERTEXELEMENT9 *declaration2)
661 {
662 UINT size1 = 0, size2 = 0;
663
664 /* Find the size of each declaration */
665 while (declaration1[size1].Stream != 0xff) size1++;
666 while (declaration2[size2].Stream != 0xff) size2++;
667
668 /* If not same size then they are definitely not equal */
669 if (size1 != size2)
670 return FALSE;
671
672 /* Check that all components are the same */
673 if (memcmp(declaration1, declaration2, size1*sizeof(*declaration1)) == 0)
674 return TRUE;
675
676 return FALSE;
677 }
678
679 static HRESULT WINAPI ID3DXMeshImpl_CloneMesh(struct ID3DXMesh *iface, DWORD options,
680 const D3DVERTEXELEMENT9 *declaration, struct IDirect3DDevice9 *device, struct ID3DXMesh **clone_mesh_out)
681 {
682 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
683 ID3DXMeshImpl *cloned_this;
684 ID3DXMesh *clone_mesh;
685 D3DVERTEXELEMENT9 orig_declaration[MAX_FVF_DECL_SIZE] = { D3DDECL_END() };
686 void *data_in, *data_out;
687 DWORD vertex_size;
688 HRESULT hr;
689 int i;
690 BOOL same_declaration;
691
692 TRACE("(%p)->(%x,%p,%p,%p)\n", This, options, declaration, device, clone_mesh_out);
693
694 if (!clone_mesh_out)
695 return D3DERR_INVALIDCALL;
696
697 hr = iface->lpVtbl->GetDeclaration(iface, orig_declaration);
698 if (FAILED(hr)) return hr;
699
700 hr = D3DXCreateMesh(This->numfaces, This->numvertices, options & ~D3DXMESH_VB_SHARE,
701 declaration, device, &clone_mesh);
702 if (FAILED(hr)) return hr;
703
704 cloned_this = impl_from_ID3DXMesh(clone_mesh);
705 vertex_size = clone_mesh->lpVtbl->GetNumBytesPerVertex(clone_mesh);
706 same_declaration = declaration_equals(declaration, orig_declaration);
707
708 if (options & D3DXMESH_VB_SHARE) {
709 if (!same_declaration) {
710 hr = D3DERR_INVALIDCALL;
711 goto error;
712 }
713 IDirect3DVertexBuffer9_AddRef(This->vertex_buffer);
714 /* FIXME: refactor to avoid creating a new vertex buffer */
715 IDirect3DVertexBuffer9_Release(cloned_this->vertex_buffer);
716 cloned_this->vertex_buffer = This->vertex_buffer;
717 } else if (same_declaration) {
718 hr = iface->lpVtbl->LockVertexBuffer(iface, D3DLOCK_READONLY, &data_in);
719 if (FAILED(hr)) goto error;
720 hr = clone_mesh->lpVtbl->LockVertexBuffer(clone_mesh, 0, &data_out);
721 if (FAILED(hr)) {
722 iface->lpVtbl->UnlockVertexBuffer(iface);
723 goto error;
724 }
725 memcpy(data_out, data_in, This->numvertices * vertex_size);
726 clone_mesh->lpVtbl->UnlockVertexBuffer(clone_mesh);
727 iface->lpVtbl->UnlockVertexBuffer(iface);
728 } else {
729 hr = convert_vertex_buffer(clone_mesh, iface);
730 if (FAILED(hr)) goto error;
731 }
732
733 hr = iface->lpVtbl->LockIndexBuffer(iface, D3DLOCK_READONLY, &data_in);
734 if (FAILED(hr)) goto error;
735 hr = clone_mesh->lpVtbl->LockIndexBuffer(clone_mesh, 0, &data_out);
736 if (FAILED(hr)) {
737 iface->lpVtbl->UnlockIndexBuffer(iface);
738 goto error;
739 }
740 if ((options ^ This->options) & D3DXMESH_32BIT) {
741 if (options & D3DXMESH_32BIT) {
742 for (i = 0; i < This->numfaces * 3; i++)
743 ((DWORD*)data_out)[i] = ((WORD*)data_in)[i];
744 } else {
745 for (i = 0; i < This->numfaces * 3; i++)
746 ((WORD*)data_out)[i] = ((DWORD*)data_in)[i];
747 }
748 } else {
749 memcpy(data_out, data_in, This->numfaces * 3 * (options & D3DXMESH_32BIT ? 4 : 2));
750 }
751 clone_mesh->lpVtbl->UnlockIndexBuffer(clone_mesh);
752 iface->lpVtbl->UnlockIndexBuffer(iface);
753
754 memcpy(cloned_this->attrib_buffer, This->attrib_buffer, This->numfaces * sizeof(*This->attrib_buffer));
755
756 if (This->attrib_table_size)
757 {
758 cloned_this->attrib_table_size = This->attrib_table_size;
759 cloned_this->attrib_table = HeapAlloc(GetProcessHeap(), 0, This->attrib_table_size * sizeof(*This->attrib_table));
760 if (!cloned_this->attrib_table) {
761 hr = E_OUTOFMEMORY;
762 goto error;
763 }
764 memcpy(cloned_this->attrib_table, This->attrib_table, This->attrib_table_size * sizeof(*This->attrib_table));
765 }
766
767 *clone_mesh_out = clone_mesh;
768
769 return D3D_OK;
770 error:
771 IUnknown_Release(clone_mesh);
772 return hr;
773 }
774
775 static HRESULT WINAPI ID3DXMeshImpl_GetVertexBuffer(struct ID3DXMesh *iface,
776 struct IDirect3DVertexBuffer9 **vertex_buffer)
777 {
778 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
779
780 TRACE("(%p)->(%p)\n", This, vertex_buffer);
781
782 if (vertex_buffer == NULL) return D3DERR_INVALIDCALL;
783 *vertex_buffer = This->vertex_buffer;
784 IDirect3DVertexBuffer9_AddRef(This->vertex_buffer);
785
786 return D3D_OK;
787 }
788
789 static HRESULT WINAPI ID3DXMeshImpl_GetIndexBuffer(struct ID3DXMesh *iface,
790 struct IDirect3DIndexBuffer9 **index_buffer)
791 {
792 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
793
794 TRACE("(%p)->(%p)\n", This, index_buffer);
795
796 if (index_buffer == NULL) return D3DERR_INVALIDCALL;
797 *index_buffer = This->index_buffer;
798 IDirect3DIndexBuffer9_AddRef(This->index_buffer);
799
800 return D3D_OK;
801 }
802
803 static HRESULT WINAPI ID3DXMeshImpl_LockVertexBuffer(ID3DXMesh *iface, DWORD flags, LPVOID *data)
804 {
805 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
806
807 TRACE("(%p)->(%u,%p)\n", This, flags, data);
808
809 return IDirect3DVertexBuffer9_Lock(This->vertex_buffer, 0, 0, data, flags);
810 }
811
812 static HRESULT WINAPI ID3DXMeshImpl_UnlockVertexBuffer(ID3DXMesh *iface)
813 {
814 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
815
816 TRACE("(%p)\n", This);
817
818 return IDirect3DVertexBuffer9_Unlock(This->vertex_buffer);
819 }
820
821 static HRESULT WINAPI ID3DXMeshImpl_LockIndexBuffer(ID3DXMesh *iface, DWORD flags, LPVOID *data)
822 {
823 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
824
825 TRACE("(%p)->(%u,%p)\n", This, flags, data);
826
827 return IDirect3DIndexBuffer9_Lock(This->index_buffer, 0, 0, data, flags);
828 }
829
830 static HRESULT WINAPI ID3DXMeshImpl_UnlockIndexBuffer(ID3DXMesh *iface)
831 {
832 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
833
834 TRACE("(%p)\n", This);
835
836 return IDirect3DIndexBuffer9_Unlock(This->index_buffer);
837 }
838
839 static HRESULT WINAPI ID3DXMeshImpl_GetAttributeTable(ID3DXMesh *iface, D3DXATTRIBUTERANGE *attrib_table, DWORD *attrib_table_size)
840 {
841 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
842
843 TRACE("(%p)->(%p,%p)\n", This, attrib_table, attrib_table_size);
844
845 if (attrib_table_size)
846 *attrib_table_size = This->attrib_table_size;
847
848 if (attrib_table)
849 CopyMemory(attrib_table, This->attrib_table, This->attrib_table_size * sizeof(*attrib_table));
850
851 return D3D_OK;
852 }
853
854 struct edge_face
855 {
856 struct list entry;
857 DWORD v2;
858 DWORD face;
859 };
860
861 struct edge_face_map
862 {
863 struct list *lists;
864 struct edge_face *entries;
865 };
866
867 /* Builds up a map of which face a new edge belongs to. That way the adjacency
868 * of another edge can be looked up. An edge has an adjacent face if there
869 * is an edge going in the opposite direction in the map. For example if the
870 * edge (v1, v2) belongs to face 4, and there is a mapping (v2, v1)->7, then
871 * face 4 and 7 are adjacent.
872 *
873 * Each edge might have been replaced with another edge, or none at all. There
874 * is at most one edge to face mapping, i.e. an edge can only belong to one
875 * face.
876 */
877 static HRESULT init_edge_face_map(struct edge_face_map *edge_face_map, CONST DWORD *index_buffer, CONST DWORD *point_reps, CONST DWORD num_faces)
878 {
879 DWORD face, edge;
880 DWORD i;
881
882 edge_face_map->lists = HeapAlloc(GetProcessHeap(), 0, 3 * num_faces * sizeof(*edge_face_map->lists));
883 if (!edge_face_map->lists) return E_OUTOFMEMORY;
884
885 edge_face_map->entries = HeapAlloc(GetProcessHeap(), 0, 3 * num_faces * sizeof(*edge_face_map->entries));
886 if (!edge_face_map->entries) return E_OUTOFMEMORY;
887
888
889 /* Initialize all lists */
890 for (i = 0; i < 3 * num_faces; i++)
891 {
892 list_init(&edge_face_map->lists[i]);
893 }
894 /* Build edge face mapping */
895 for (face = 0; face < num_faces; face++)
896 {
897 for (edge = 0; edge < 3; edge++)
898 {
899 DWORD v1 = index_buffer[3*face + edge];
900 DWORD v2 = index_buffer[3*face + (edge+1)%3];
901 DWORD new_v1 = point_reps[v1]; /* What v1 has been replaced with */
902 DWORD new_v2 = point_reps[v2];
903
904 if (v1 != v2) /* Only map non-collapsed edges */
905 {
906 i = 3*face + edge;
907 edge_face_map->entries[i].v2 = new_v2;
908 edge_face_map->entries[i].face = face;
909 list_add_head(&edge_face_map->lists[new_v1], &edge_face_map->entries[i].entry);
910 }
911 }
912 }
913
914 return D3D_OK;
915 }
916
917 static DWORD find_adjacent_face(struct edge_face_map *edge_face_map, DWORD vertex1, DWORD vertex2, CONST DWORD num_faces)
918 {
919 struct edge_face *edge_face_ptr;
920
921 LIST_FOR_EACH_ENTRY(edge_face_ptr, &edge_face_map->lists[vertex2], struct edge_face, entry)
922 {
923 if (edge_face_ptr->v2 == vertex1)
924 return edge_face_ptr->face;
925 }
926
927 return -1;
928 }
929
930 static DWORD *generate_identity_point_reps(DWORD num_vertices)
931 {
932 DWORD *id_point_reps;
933 DWORD i;
934
935 id_point_reps = HeapAlloc(GetProcessHeap(), 0, num_vertices * sizeof(*id_point_reps));
936 if (!id_point_reps)
937 return NULL;
938
939 for (i = 0; i < num_vertices; i++)
940 {
941 id_point_reps[i] = i;
942 }
943
944 return id_point_reps;
945 }
946
947 static HRESULT WINAPI ID3DXMeshImpl_ConvertPointRepsToAdjacency(ID3DXMesh *iface, CONST DWORD *point_reps, DWORD *adjacency)
948 {
949 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
950 HRESULT hr;
951 DWORD num_faces = iface->lpVtbl->GetNumFaces(iface);
952 DWORD num_vertices = iface->lpVtbl->GetNumVertices(iface);
953 DWORD options = iface->lpVtbl->GetOptions(iface);
954 BOOL indices_are_16_bit = !(options & D3DXMESH_32BIT);
955 DWORD *ib = NULL;
956 void *ib_ptr = NULL;
957 DWORD face;
958 DWORD edge;
959 struct edge_face_map edge_face_map = {0};
960 CONST DWORD *point_reps_ptr = NULL;
961 DWORD *id_point_reps = NULL;
962
963 TRACE("(%p)->(%p,%p)\n", This, point_reps, adjacency);
964
965 if (!adjacency) return D3DERR_INVALIDCALL;
966
967 if (!point_reps) /* Identity point reps */
968 {
969 id_point_reps = generate_identity_point_reps(num_vertices);
970 if (!id_point_reps)
971 {
972 hr = E_OUTOFMEMORY;
973 goto cleanup;
974 }
975
976 point_reps_ptr = id_point_reps;
977 }
978 else
979 {
980 point_reps_ptr = point_reps;
981 }
982
983 hr = iface->lpVtbl->LockIndexBuffer(iface, D3DLOCK_READONLY, &ib_ptr);
984 if (FAILED(hr)) goto cleanup;
985
986 if (indices_are_16_bit)
987 {
988 /* Widen 16 bit to 32 bit */
989 DWORD i;
990 WORD *ib_16bit = ib_ptr;
991 ib = HeapAlloc(GetProcessHeap(), 0, 3 * num_faces * sizeof(DWORD));
992 if (!ib)
993 {
994 hr = E_OUTOFMEMORY;
995 goto cleanup;
996 }
997 for (i = 0; i < 3 * num_faces; i++)
998 {
999 ib[i] = ib_16bit[i];
1000 }
1001 }
1002 else
1003 {
1004 ib = ib_ptr;
1005 }
1006
1007 hr = init_edge_face_map(&edge_face_map, ib, point_reps_ptr, num_faces);
1008 if (FAILED(hr)) goto cleanup;
1009
1010 /* Create adjacency */
1011 for (face = 0; face < num_faces; face++)
1012 {
1013 for (edge = 0; edge < 3; edge++)
1014 {
1015 DWORD v1 = ib[3*face + edge];
1016 DWORD v2 = ib[3*face + (edge+1)%3];
1017 DWORD new_v1 = point_reps_ptr[v1];
1018 DWORD new_v2 = point_reps_ptr[v2];
1019 DWORD adj_face;
1020
1021 adj_face = find_adjacent_face(&edge_face_map, new_v1, new_v2, num_faces);
1022 adjacency[3*face + edge] = adj_face;
1023 }
1024 }
1025
1026 hr = D3D_OK;
1027 cleanup:
1028 HeapFree(GetProcessHeap(), 0, id_point_reps);
1029 if (indices_are_16_bit) HeapFree(GetProcessHeap(), 0, ib);
1030 HeapFree(GetProcessHeap(), 0, edge_face_map.lists);
1031 HeapFree(GetProcessHeap(), 0, edge_face_map.entries);
1032 if(ib_ptr) iface->lpVtbl->UnlockIndexBuffer(iface);
1033 return hr;
1034 }
1035
1036 /* ConvertAdjacencyToPointReps helper function.
1037 *
1038 * Goes around the edges of each face and replaces the vertices in any adjacent
1039 * face's edge with its own vertices(if its vertices have a lower index). This
1040 * way as few as possible low index vertices are shared among the faces. The
1041 * re-ordered index buffer is stored in new_indices.
1042 *
1043 * The vertices in a point representation must be ordered sequentially, e.g.
1044 * index 5 holds the index of the vertex that replaces vertex 5, i.e. if
1045 * vertex 5 is replaced by vertex 3 then index 5 would contain 3. If no vertex
1046 * replaces it, then it contains the same number as the index itself, e.g.
1047 * index 5 would contain 5. */
1048 static HRESULT propagate_face_vertices(CONST DWORD *adjacency, DWORD *point_reps,
1049 CONST DWORD *indices, DWORD *new_indices,
1050 CONST DWORD face, CONST DWORD numfaces)
1051 {
1052 const unsigned int VERTS_PER_FACE = 3;
1053 DWORD edge, opp_edge;
1054 DWORD face_base = VERTS_PER_FACE * face;
1055
1056 for (edge = 0; edge < VERTS_PER_FACE; edge++)
1057 {
1058 DWORD adj_face = adjacency[face_base + edge];
1059 DWORD adj_face_base;
1060 DWORD i;
1061 if (adj_face == -1) /* No adjacent face. */
1062 continue;
1063 else if (adj_face >= numfaces)
1064 {
1065 /* This throws exception on Windows */
1066 WARN("Index out of bounds. Got %d expected less than %d.\n",
1067 adj_face, numfaces);
1068 return D3DERR_INVALIDCALL;
1069 }
1070 adj_face_base = 3 * adj_face;
1071
1072 /* Find opposite edge in adjacent face. */
1073 for (opp_edge = 0; opp_edge < VERTS_PER_FACE; opp_edge++)
1074 {
1075 DWORD opp_edge_index = adj_face_base + opp_edge;
1076 if (adjacency[opp_edge_index] == face)
1077 break; /* Found opposite edge. */
1078 }
1079
1080 /* Replaces vertices in opposite edge with vertices from current edge. */
1081 for (i = 0; i < 2; i++)
1082 {
1083 DWORD from = face_base + (edge + (1 - i)) % VERTS_PER_FACE;
1084 DWORD to = adj_face_base + (opp_edge + i) % VERTS_PER_FACE;
1085
1086 /* Propagate lowest index. */
1087 if (new_indices[to] > new_indices[from])
1088 {
1089 new_indices[to] = new_indices[from];
1090 point_reps[indices[to]] = new_indices[from];
1091 }
1092 }
1093 }
1094
1095 return D3D_OK;
1096 }
1097
1098 static HRESULT WINAPI ID3DXMeshImpl_ConvertAdjacencyToPointReps(ID3DXMesh *iface, CONST DWORD *adjacency, DWORD *point_reps)
1099 {
1100 HRESULT hr;
1101 DWORD face;
1102 DWORD i;
1103 DWORD *indices = NULL;
1104 WORD *indices_16bit = NULL;
1105 DWORD *new_indices = NULL;
1106 const unsigned int VERTS_PER_FACE = 3;
1107
1108 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
1109
1110 TRACE("(%p)->(%p,%p)\n", This, adjacency, point_reps);
1111
1112 if (!adjacency)
1113 {
1114 WARN("NULL adjacency.\n");
1115 hr = D3DERR_INVALIDCALL;
1116 goto cleanup;
1117 }
1118
1119 if (!point_reps)
1120 {
1121 WARN("NULL point_reps.\n");
1122 hr = D3DERR_INVALIDCALL;
1123 goto cleanup;
1124 }
1125
1126 /* Should never happen as CreateMesh does not allow meshes with 0 faces */
1127 if (This->numfaces == 0)
1128 {
1129 ERR("Number of faces was zero.\n");
1130 hr = D3DERR_INVALIDCALL;
1131 goto cleanup;
1132 }
1133
1134 new_indices = HeapAlloc(GetProcessHeap(), 0, VERTS_PER_FACE * This->numfaces * sizeof(*indices));
1135 if (!new_indices)
1136 {
1137 hr = E_OUTOFMEMORY;
1138 goto cleanup;
1139 }
1140
1141 if (This->options & D3DXMESH_32BIT)
1142 {
1143 hr = iface->lpVtbl->LockIndexBuffer(iface, D3DLOCK_READONLY, (void**)&indices);
1144 if (FAILED(hr)) goto cleanup;
1145 memcpy(new_indices, indices, VERTS_PER_FACE * This->numfaces * sizeof(*indices));
1146 }
1147 else
1148 {
1149 /* Make a widening copy of indices_16bit into indices and new_indices
1150 * in order to re-use the helper function */
1151 hr = iface->lpVtbl->LockIndexBuffer(iface, D3DLOCK_READONLY, (void**)&indices_16bit);
1152 if (FAILED(hr)) goto cleanup;
1153 indices = HeapAlloc(GetProcessHeap(), 0, VERTS_PER_FACE * This->numfaces * sizeof(*indices));
1154 if (!indices)
1155 {
1156 hr = E_OUTOFMEMORY;
1157 goto cleanup;
1158 }
1159 for (i = 0; i < VERTS_PER_FACE * This->numfaces; i++)
1160 {
1161 new_indices[i] = indices_16bit[i];
1162 indices[i] = indices_16bit[i];
1163 }
1164 }
1165
1166 /* Vertices are ordered sequentially in the point representation. */
1167 for (i = 0; i < This->numvertices; i++)
1168 {
1169 point_reps[i] = i;
1170 }
1171
1172 /* Propagate vertices with low indices so as few vertices as possible
1173 * are used in the mesh.
1174 */
1175 for (face = 0; face < This->numfaces; face++)
1176 {
1177 hr = propagate_face_vertices(adjacency, point_reps, indices, new_indices, face, This->numfaces);
1178 if (FAILED(hr)) goto cleanup;
1179 }
1180 /* Go in opposite direction to catch all face orderings */
1181 for (face = 0; face < This->numfaces; face++)
1182 {
1183 hr = propagate_face_vertices(adjacency, point_reps,
1184 indices, new_indices,
1185 (This->numfaces - 1) - face, This->numfaces);
1186 if (FAILED(hr)) goto cleanup;
1187 }
1188
1189 hr = D3D_OK;
1190 cleanup:
1191 if (This->options & D3DXMESH_32BIT)
1192 {
1193 if (indices) iface->lpVtbl->UnlockIndexBuffer(iface);
1194 }
1195 else
1196 {
1197 if (indices_16bit) iface->lpVtbl->UnlockIndexBuffer(iface);
1198 HeapFree(GetProcessHeap(), 0, indices);
1199 }
1200 HeapFree(GetProcessHeap(), 0, new_indices);
1201 return hr;
1202 }
1203
1204 struct vertex_metadata {
1205 float key;
1206 DWORD vertex_index;
1207 DWORD first_shared_index;
1208 };
1209
1210 static int compare_vertex_keys(const void *a, const void *b)
1211 {
1212 const struct vertex_metadata *left = a;
1213 const struct vertex_metadata *right = b;
1214 if (left->key == right->key)
1215 return 0;
1216 return left->key < right->key ? -1 : 1;
1217 }
1218
1219 static HRESULT WINAPI ID3DXMeshImpl_GenerateAdjacency(ID3DXMesh *iface, FLOAT epsilon, DWORD *adjacency)
1220 {
1221 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
1222 HRESULT hr;
1223 BYTE *vertices = NULL;
1224 const DWORD *indices = NULL;
1225 DWORD vertex_size;
1226 DWORD buffer_size;
1227 /* sort the vertices by (x + y + z) to quickly find coincident vertices */
1228 struct vertex_metadata *sorted_vertices;
1229 /* shared_indices links together identical indices in the index buffer so
1230 * that adjacency checks can be limited to faces sharing a vertex */
1231 DWORD *shared_indices = NULL;
1232 const FLOAT epsilon_sq = epsilon * epsilon;
1233 int i;
1234
1235 TRACE("(%p)->(%f,%p)\n", This, epsilon, adjacency);
1236
1237 if (!adjacency)
1238 return D3DERR_INVALIDCALL;
1239
1240 buffer_size = This->numfaces * 3 * sizeof(*shared_indices) + This->numvertices * sizeof(*sorted_vertices);
1241 if (!(This->options & D3DXMESH_32BIT))
1242 buffer_size += This->numfaces * 3 * sizeof(*indices);
1243 shared_indices = HeapAlloc(GetProcessHeap(), 0, buffer_size);
1244 if (!shared_indices)
1245 return E_OUTOFMEMORY;
1246 sorted_vertices = (struct vertex_metadata*)(shared_indices + This->numfaces * 3);
1247
1248 hr = iface->lpVtbl->LockVertexBuffer(iface, D3DLOCK_READONLY, (void**)&vertices);
1249 if (FAILED(hr)) goto cleanup;
1250 hr = iface->lpVtbl->LockIndexBuffer(iface, D3DLOCK_READONLY, (void**)&indices);
1251 if (FAILED(hr)) goto cleanup;
1252
1253 if (!(This->options & D3DXMESH_32BIT)) {
1254 const WORD *word_indices = (const WORD*)indices;
1255 DWORD *dword_indices = (DWORD*)(sorted_vertices + This->numvertices);
1256 indices = dword_indices;
1257 for (i = 0; i < This->numfaces * 3; i++)
1258 *dword_indices++ = *word_indices++;
1259 }
1260
1261 vertex_size = iface->lpVtbl->GetNumBytesPerVertex(iface);
1262 for (i = 0; i < This->numvertices; i++) {
1263 D3DXVECTOR3 *vertex = (D3DXVECTOR3*)(vertices + vertex_size * i);
1264 sorted_vertices[i].first_shared_index = -1;
1265 sorted_vertices[i].key = vertex->x + vertex->y + vertex->z;
1266 sorted_vertices[i].vertex_index = i;
1267 }
1268 for (i = 0; i < This->numfaces * 3; i++) {
1269 DWORD *first_shared_index = &sorted_vertices[indices[i]].first_shared_index;
1270 shared_indices[i] = *first_shared_index;
1271 *first_shared_index = i;
1272 adjacency[i] = -1;
1273 }
1274 qsort(sorted_vertices, This->numvertices, sizeof(*sorted_vertices), compare_vertex_keys);
1275
1276 for (i = 0; i < This->numvertices; i++) {
1277 struct vertex_metadata *sorted_vertex_a = &sorted_vertices[i];
1278 D3DXVECTOR3 *vertex_a = (D3DXVECTOR3*)(vertices + sorted_vertex_a->vertex_index * vertex_size);
1279 DWORD shared_index_a = sorted_vertex_a->first_shared_index;
1280
1281 while (shared_index_a != -1) {
1282 int j = i;
1283 DWORD shared_index_b = shared_indices[shared_index_a];
1284 struct vertex_metadata *sorted_vertex_b = sorted_vertex_a;
1285
1286 while (TRUE) {
1287 while (shared_index_b != -1) {
1288 /* faces are adjacent if they have another coincident vertex */
1289 DWORD base_a = (shared_index_a / 3) * 3;
1290 DWORD base_b = (shared_index_b / 3) * 3;
1291 BOOL adjacent = FALSE;
1292 int k;
1293
1294 for (k = 0; k < 3; k++) {
1295 if (adjacency[base_b + k] == shared_index_a / 3) {
1296 adjacent = TRUE;
1297 break;
1298 }
1299 }
1300 if (!adjacent) {
1301 for (k = 1; k <= 2; k++) {
1302 DWORD vertex_index_a = base_a + (shared_index_a + k) % 3;
1303 DWORD vertex_index_b = base_b + (shared_index_b + (3 - k)) % 3;
1304 adjacent = indices[vertex_index_a] == indices[vertex_index_b];
1305 if (!adjacent && epsilon >= 0.0f) {
1306 D3DXVECTOR3 delta = {0.0f, 0.0f, 0.0f};
1307 FLOAT length_sq;
1308
1309 D3DXVec3Subtract(&delta,
1310 (D3DXVECTOR3*)(vertices + indices[vertex_index_a] * vertex_size),
1311 (D3DXVECTOR3*)(vertices + indices[vertex_index_b] * vertex_size));
1312 length_sq = D3DXVec3LengthSq(&delta);
1313 adjacent = epsilon == 0.0f ? length_sq == 0.0f : length_sq < epsilon_sq;
1314 }
1315 if (adjacent) {
1316 DWORD adj_a = base_a + 2 - (vertex_index_a + shared_index_a + 1) % 3;
1317 DWORD adj_b = base_b + 2 - (vertex_index_b + shared_index_b + 1) % 3;
1318 if (adjacency[adj_a] == -1 && adjacency[adj_b] == -1) {
1319 adjacency[adj_a] = base_b / 3;
1320 adjacency[adj_b] = base_a / 3;
1321 break;
1322 }
1323 }
1324 }
1325 }
1326
1327 shared_index_b = shared_indices[shared_index_b];
1328 }
1329 while (++j < This->numvertices) {
1330 D3DXVECTOR3 *vertex_b;
1331
1332 sorted_vertex_b++;
1333 if (sorted_vertex_b->key - sorted_vertex_a->key > epsilon * 3.0f) {
1334 /* no more coincident vertices to try */
1335 j = This->numvertices;
1336 break;
1337 }
1338 /* check for coincidence */
1339 vertex_b = (D3DXVECTOR3*)(vertices + sorted_vertex_b->vertex_index * vertex_size);
1340 if (fabsf(vertex_a->x - vertex_b->x) <= epsilon &&
1341 fabsf(vertex_a->y - vertex_b->y) <= epsilon &&
1342 fabsf(vertex_a->z - vertex_b->z) <= epsilon)
1343 {
1344 break;
1345 }
1346 }
1347 if (j >= This->numvertices)
1348 break;
1349 shared_index_b = sorted_vertex_b->first_shared_index;
1350 }
1351
1352 sorted_vertex_a->first_shared_index = shared_indices[sorted_vertex_a->first_shared_index];
1353 shared_index_a = sorted_vertex_a->first_shared_index;
1354 }
1355 }
1356
1357 hr = D3D_OK;
1358 cleanup:
1359 if (indices) iface->lpVtbl->UnlockIndexBuffer(iface);
1360 if (vertices) iface->lpVtbl->UnlockVertexBuffer(iface);
1361 HeapFree(GetProcessHeap(), 0, shared_indices);
1362 return hr;
1363 }
1364
1365 static HRESULT WINAPI ID3DXMeshImpl_UpdateSemantics(ID3DXMesh *iface, D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE])
1366 {
1367 HRESULT hr;
1368 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
1369 UINT vertex_declaration_size;
1370 int i;
1371
1372 TRACE("(%p)->(%p)\n", This, declaration);
1373
1374 if (!declaration)
1375 {
1376 WARN("Invalid declaration. Can't use NULL declaration.\n");
1377 return D3DERR_INVALIDCALL;
1378 }
1379
1380 /* New declaration must be same size as original */
1381 vertex_declaration_size = D3DXGetDeclVertexSize(declaration, declaration[0].Stream);
1382 if (vertex_declaration_size != This->vertex_declaration_size)
1383 {
1384 WARN("Invalid declaration. New vertex size does not match the original vertex size.\n");
1385 return D3DERR_INVALIDCALL;
1386 }
1387
1388 /* New declaration must not contain non-zero Stream value */
1389 for (i = 0; declaration[i].Stream != 0xff; i++)
1390 {
1391 if (declaration[i].Stream != 0)
1392 {
1393 WARN("Invalid declaration. New declaration contains non-zero Stream value.\n");
1394 return D3DERR_INVALIDCALL;
1395 }
1396 }
1397
1398 This->num_elem = i + 1;
1399 copy_declaration(This->cached_declaration, declaration, This->num_elem);
1400
1401 if (This->vertex_declaration)
1402 IDirect3DVertexDeclaration9_Release(This->vertex_declaration);
1403
1404 /* An application can pass an invalid declaration to UpdateSemantics and
1405 * still expect D3D_OK (see tests). If the declaration is invalid, then
1406 * subsequent calls to DrawSubset will fail. This is handled by setting the
1407 * vertex declaration to NULL.
1408 * GetDeclaration, GetNumBytesPerVertex must, however, use the new
1409 * invalid declaration. This is handled by them using the cached vertex
1410 * declaration instead of the actual vertex declaration.
1411 */
1412 hr = IDirect3DDevice9_CreateVertexDeclaration(This->device,
1413 declaration,
1414 &This->vertex_declaration);
1415 if (FAILED(hr))
1416 {
1417 WARN("Using invalid declaration. Calls to DrawSubset will fail.\n");
1418 This->vertex_declaration = NULL;
1419 }
1420
1421 return D3D_OK;
1422 }
1423
1424 /*** ID3DXMesh ***/
1425 static HRESULT WINAPI ID3DXMeshImpl_LockAttributeBuffer(ID3DXMesh *iface, DWORD flags, DWORD **data)
1426 {
1427 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
1428
1429 TRACE("(%p)->(%u,%p)\n", This, flags, data);
1430
1431 InterlockedIncrement(&This->attrib_buffer_lock_count);
1432
1433 if (!(flags & D3DLOCK_READONLY)) {
1434 D3DXATTRIBUTERANGE *attrib_table = This->attrib_table;
1435 This->attrib_table_size = 0;
1436 This->attrib_table = NULL;
1437 HeapFree(GetProcessHeap(), 0, attrib_table);
1438 }
1439
1440 *data = This->attrib_buffer;
1441
1442 return D3D_OK;
1443 }
1444
1445 static HRESULT WINAPI ID3DXMeshImpl_UnlockAttributeBuffer(ID3DXMesh *iface)
1446 {
1447 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
1448 int lock_count;
1449
1450 TRACE("(%p)\n", This);
1451
1452 lock_count = InterlockedDecrement(&This->attrib_buffer_lock_count);
1453
1454 if (lock_count < 0) {
1455 InterlockedIncrement(&This->attrib_buffer_lock_count);
1456 return D3DERR_INVALIDCALL;
1457 }
1458
1459 return D3D_OK;
1460 }
1461
1462 static HRESULT WINAPI ID3DXMeshImpl_Optimize(ID3DXMesh *iface, DWORD flags, CONST DWORD *adjacency_in, DWORD *adjacency_out,
1463 DWORD *face_remap, LPD3DXBUFFER *vertex_remap, LPD3DXMESH *opt_mesh)
1464 {
1465 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
1466 HRESULT hr;
1467 D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE] = { D3DDECL_END() };
1468 ID3DXMesh *optimized_mesh;
1469
1470 TRACE("(%p)->(%x,%p,%p,%p,%p,%p)\n", This, flags, adjacency_in, adjacency_out, face_remap, vertex_remap, opt_mesh);
1471
1472 if (!opt_mesh)
1473 return D3DERR_INVALIDCALL;
1474
1475 hr = iface->lpVtbl->GetDeclaration(iface, declaration);
1476 if (FAILED(hr)) return hr;
1477
1478 hr = iface->lpVtbl->CloneMesh(iface, This->options, declaration, This->device, &optimized_mesh);
1479 if (FAILED(hr)) return hr;
1480
1481 hr = optimized_mesh->lpVtbl->OptimizeInplace(optimized_mesh, flags, adjacency_in, adjacency_out, face_remap, vertex_remap);
1482 if (SUCCEEDED(hr))
1483 *opt_mesh = optimized_mesh;
1484 else
1485 IUnknown_Release(optimized_mesh);
1486 return hr;
1487 }
1488
1489 /* Creates a vertex_remap that removes unused vertices.
1490 * Indices are updated according to the vertex_remap. */
1491 static HRESULT compact_mesh(ID3DXMeshImpl *This, DWORD *indices, DWORD *new_num_vertices, ID3DXBuffer **vertex_remap)
1492 {
1493 HRESULT hr;
1494 DWORD *vertex_remap_ptr;
1495 DWORD num_used_vertices;
1496 DWORD i;
1497
1498 hr = D3DXCreateBuffer(This->numvertices * sizeof(DWORD), vertex_remap);
1499 if (FAILED(hr)) return hr;
1500 vertex_remap_ptr = ID3DXBuffer_GetBufferPointer(*vertex_remap);
1501
1502 for (i = 0; i < This->numfaces * 3; i++)
1503 vertex_remap_ptr[indices[i]] = 1;
1504
1505 /* create old->new vertex mapping */
1506 num_used_vertices = 0;
1507 for (i = 0; i < This->numvertices; i++) {
1508 if (vertex_remap_ptr[i])
1509 vertex_remap_ptr[i] = num_used_vertices++;
1510 else
1511 vertex_remap_ptr[i] = -1;
1512 }
1513 /* convert indices */
1514 for (i = 0; i < This->numfaces * 3; i++)
1515 indices[i] = vertex_remap_ptr[indices[i]];
1516
1517 /* create new->old vertex mapping */
1518 num_used_vertices = 0;
1519 for (i = 0; i < This->numvertices; i++) {
1520 if (vertex_remap_ptr[i] != -1)
1521 vertex_remap_ptr[num_used_vertices++] = i;
1522 }
1523 for (i = num_used_vertices; i < This->numvertices; i++)
1524 vertex_remap_ptr[i] = -1;
1525
1526 *new_num_vertices = num_used_vertices;
1527
1528 return D3D_OK;
1529 }
1530
1531 /* count the number of unique attribute values in a sorted attribute buffer */
1532 static DWORD count_attributes(const DWORD *attrib_buffer, DWORD numfaces)
1533 {
1534 DWORD last_attribute = attrib_buffer[0];
1535 DWORD attrib_table_size = 1;
1536 DWORD i;
1537 for (i = 1; i < numfaces; i++) {
1538 if (attrib_buffer[i] != last_attribute) {
1539 last_attribute = attrib_buffer[i];
1540 attrib_table_size++;
1541 }
1542 }
1543 return attrib_table_size;
1544 }
1545
1546 static void fill_attribute_table(DWORD *attrib_buffer, DWORD numfaces, void *indices,
1547 BOOL is_32bit_indices, D3DXATTRIBUTERANGE *attrib_table)
1548 {
1549 DWORD attrib_table_size = 0;
1550 DWORD last_attribute = attrib_buffer[0];
1551 DWORD min_vertex, max_vertex;
1552 DWORD i;
1553
1554 attrib_table[0].AttribId = last_attribute;
1555 attrib_table[0].FaceStart = 0;
1556 min_vertex = (DWORD)-1;
1557 max_vertex = 0;
1558 for (i = 0; i < numfaces; i++) {
1559 DWORD j;
1560
1561 if (attrib_buffer[i] != last_attribute) {
1562 last_attribute = attrib_buffer[i];
1563 attrib_table[attrib_table_size].FaceCount = i - attrib_table[attrib_table_size].FaceStart;
1564 attrib_table[attrib_table_size].VertexStart = min_vertex;
1565 attrib_table[attrib_table_size].VertexCount = max_vertex - min_vertex + 1;
1566 attrib_table_size++;
1567 attrib_table[attrib_table_size].AttribId = attrib_buffer[i];
1568 attrib_table[attrib_table_size].FaceStart = i;
1569 min_vertex = (DWORD)-1;
1570 max_vertex = 0;
1571 }
1572 for (j = 0; j < 3; j++) {
1573 DWORD vertex_index = is_32bit_indices ? ((DWORD*)indices)[i * 3 + j] : ((WORD*)indices)[i * 3 + j];
1574 if (vertex_index < min_vertex)
1575 min_vertex = vertex_index;
1576 if (vertex_index > max_vertex)
1577 max_vertex = vertex_index;
1578 }
1579 }
1580 attrib_table[attrib_table_size].FaceCount = i - attrib_table[attrib_table_size].FaceStart;
1581 attrib_table[attrib_table_size].VertexStart = min_vertex;
1582 attrib_table[attrib_table_size].VertexCount = max_vertex - min_vertex + 1;
1583 attrib_table_size++;
1584 }
1585
1586 static int attrib_entry_compare(const DWORD **a, const DWORD **b)
1587 {
1588 const DWORD *ptr_a = *a;
1589 const DWORD *ptr_b = *b;
1590 int delta = *ptr_a - *ptr_b;
1591
1592 if (delta)
1593 return delta;
1594
1595 delta = ptr_a - ptr_b; /* for stable sort */
1596 return delta;
1597 }
1598
1599 /* Create face_remap, a new attribute buffer for attribute sort optimization. */
1600 static HRESULT remap_faces_for_attrsort(ID3DXMeshImpl *This, const DWORD *indices,
1601 const DWORD *attrib_buffer, DWORD **sorted_attrib_buffer, DWORD **face_remap)
1602 {
1603 const DWORD **sorted_attrib_ptr_buffer = NULL;
1604 DWORD i;
1605
1606 *face_remap = HeapAlloc(GetProcessHeap(), 0, This->numfaces * sizeof(**face_remap));
1607 sorted_attrib_ptr_buffer = HeapAlloc(GetProcessHeap(), 0, This->numfaces * sizeof(*sorted_attrib_ptr_buffer));
1608 if (!*face_remap || !sorted_attrib_ptr_buffer) {
1609 HeapFree(GetProcessHeap(), 0, sorted_attrib_ptr_buffer);
1610 return E_OUTOFMEMORY;
1611 }
1612 for (i = 0; i < This->numfaces; i++)
1613 sorted_attrib_ptr_buffer[i] = &attrib_buffer[i];
1614 qsort(sorted_attrib_ptr_buffer, This->numfaces, sizeof(*sorted_attrib_ptr_buffer),
1615 (int(*)(const void *, const void *))attrib_entry_compare);
1616
1617 for (i = 0; i < This->numfaces; i++)
1618 {
1619 DWORD old_face = sorted_attrib_ptr_buffer[i] - attrib_buffer;
1620 (*face_remap)[old_face] = i;
1621 }
1622
1623 /* overwrite sorted_attrib_ptr_buffer with the values themselves */
1624 *sorted_attrib_buffer = (DWORD*)sorted_attrib_ptr_buffer;
1625 for (i = 0; i < This->numfaces; i++)
1626 (*sorted_attrib_buffer)[(*face_remap)[i]] = attrib_buffer[i];
1627
1628 return D3D_OK;
1629 }
1630
1631 static HRESULT WINAPI ID3DXMeshImpl_OptimizeInplace(ID3DXMesh *iface, DWORD flags, CONST DWORD *adjacency_in, DWORD *adjacency_out,
1632 DWORD *face_remap_out, LPD3DXBUFFER *vertex_remap_out)
1633 {
1634 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
1635 void *indices = NULL;
1636 DWORD *attrib_buffer = NULL;
1637 HRESULT hr;
1638 ID3DXBuffer *vertex_remap = NULL;
1639 DWORD *face_remap = NULL; /* old -> new mapping */
1640 DWORD *dword_indices = NULL;
1641 DWORD new_num_vertices = 0;
1642 DWORD new_num_alloc_vertices = 0;
1643 IDirect3DVertexBuffer9 *vertex_buffer = NULL;
1644 DWORD *sorted_attrib_buffer = NULL;
1645 DWORD i;
1646
1647 TRACE("(%p)->(%x,%p,%p,%p,%p)\n", This, flags, adjacency_in, adjacency_out, face_remap_out, vertex_remap_out);
1648
1649 if (!flags)
1650 return D3DERR_INVALIDCALL;
1651 if (!adjacency_in && (flags & (D3DXMESHOPT_VERTEXCACHE | D3DXMESHOPT_STRIPREORDER)))
1652 return D3DERR_INVALIDCALL;
1653 if ((flags & (D3DXMESHOPT_VERTEXCACHE | D3DXMESHOPT_STRIPREORDER)) == (D3DXMESHOPT_VERTEXCACHE | D3DXMESHOPT_STRIPREORDER))
1654 return D3DERR_INVALIDCALL;
1655
1656 if (flags & (D3DXMESHOPT_VERTEXCACHE | D3DXMESHOPT_STRIPREORDER))
1657 {
1658 if (flags & D3DXMESHOPT_VERTEXCACHE)
1659 FIXME("D3DXMESHOPT_VERTEXCACHE not implemented.\n");
1660 if (flags & D3DXMESHOPT_STRIPREORDER)
1661 FIXME("D3DXMESHOPT_STRIPREORDER not implemented.\n");
1662 return E_NOTIMPL;
1663 }
1664
1665 hr = iface->lpVtbl->LockIndexBuffer(iface, 0, &indices);
1666 if (FAILED(hr)) goto cleanup;
1667
1668 dword_indices = HeapAlloc(GetProcessHeap(), 0, This->numfaces * 3 * sizeof(DWORD));
1669 if (!dword_indices) return E_OUTOFMEMORY;
1670 if (This->options & D3DXMESH_32BIT) {
1671 memcpy(dword_indices, indices, This->numfaces * 3 * sizeof(DWORD));
1672 } else {
1673 WORD *word_indices = indices;
1674 for (i = 0; i < This->numfaces * 3; i++)
1675 dword_indices[i] = *word_indices++;
1676 }
1677
1678 if ((flags & (D3DXMESHOPT_COMPACT | D3DXMESHOPT_IGNOREVERTS | D3DXMESHOPT_ATTRSORT)) == D3DXMESHOPT_COMPACT)
1679 {
1680 new_num_alloc_vertices = This->numvertices;
1681 hr = compact_mesh(This, dword_indices, &new_num_vertices, &vertex_remap);
1682 if (FAILED(hr)) goto cleanup;
1683 } else if (flags & D3DXMESHOPT_ATTRSORT) {
1684 if (!(flags & D3DXMESHOPT_IGNOREVERTS))
1685 {
1686 FIXME("D3DXMESHOPT_ATTRSORT vertex reordering not implemented.\n");
1687 hr = E_NOTIMPL;
1688 goto cleanup;
1689 }
1690
1691 hr = iface->lpVtbl->LockAttributeBuffer(iface, 0, &attrib_buffer);
1692 if (FAILED(hr)) goto cleanup;
1693
1694 hr = remap_faces_for_attrsort(This, dword_indices, attrib_buffer, &sorted_attrib_buffer, &face_remap);
1695 if (FAILED(hr)) goto cleanup;
1696 }
1697
1698 if (vertex_remap)
1699 {
1700 /* reorder the vertices using vertex_remap */
1701 D3DVERTEXBUFFER_DESC vertex_desc;
1702 DWORD *vertex_remap_ptr = ID3DXBuffer_GetBufferPointer(vertex_remap);
1703 DWORD vertex_size = iface->lpVtbl->GetNumBytesPerVertex(iface);
1704 BYTE *orig_vertices;
1705 BYTE *new_vertices;
1706
1707 hr = IDirect3DVertexBuffer9_GetDesc(This->vertex_buffer, &vertex_desc);
1708 if (FAILED(hr)) goto cleanup;
1709
1710 hr = IDirect3DDevice9_CreateVertexBuffer(This->device, new_num_alloc_vertices * vertex_size,
1711 vertex_desc.Usage, This->fvf, vertex_desc.Pool, &vertex_buffer, NULL);
1712 if (FAILED(hr)) goto cleanup;
1713
1714 hr = IDirect3DVertexBuffer9_Lock(This->vertex_buffer, 0, 0, (void**)&orig_vertices, D3DLOCK_READONLY);
1715 if (FAILED(hr)) goto cleanup;
1716
1717 hr = IDirect3DVertexBuffer9_Lock(vertex_buffer, 0, 0, (void**)&new_vertices, 0);
1718 if (FAILED(hr)) {
1719 IDirect3DVertexBuffer9_Unlock(This->vertex_buffer);
1720 goto cleanup;
1721 }
1722
1723 for (i = 0; i < new_num_vertices; i++)
1724 memcpy(new_vertices + i * vertex_size, orig_vertices + vertex_remap_ptr[i] * vertex_size, vertex_size);
1725
1726 IDirect3DVertexBuffer9_Unlock(This->vertex_buffer);
1727 IDirect3DVertexBuffer9_Unlock(vertex_buffer);
1728 } else if (vertex_remap_out) {
1729 DWORD *vertex_remap_ptr;
1730
1731 hr = D3DXCreateBuffer(This->numvertices * sizeof(DWORD), &vertex_remap);
1732 if (FAILED(hr)) goto cleanup;
1733 vertex_remap_ptr = ID3DXBuffer_GetBufferPointer(vertex_remap);
1734 for (i = 0; i < This->numvertices; i++)
1735 *vertex_remap_ptr++ = i;
1736 }
1737
1738 if (flags & D3DXMESHOPT_ATTRSORT)
1739 {
1740 D3DXATTRIBUTERANGE *attrib_table;
1741 DWORD attrib_table_size;
1742
1743 attrib_table_size = count_attributes(sorted_attrib_buffer, This->numfaces);
1744 attrib_table = HeapAlloc(GetProcessHeap(), 0, attrib_table_size * sizeof(*attrib_table));
1745 if (!attrib_table) {
1746 hr = E_OUTOFMEMORY;
1747 goto cleanup;
1748 }
1749
1750 memcpy(attrib_buffer, sorted_attrib_buffer, This->numfaces * sizeof(*attrib_buffer));
1751
1752 /* reorder the indices using face_remap */
1753 if (This->options & D3DXMESH_32BIT) {
1754 for (i = 0; i < This->numfaces; i++)
1755 memcpy((DWORD*)indices + face_remap[i] * 3, dword_indices + i * 3, 3 * sizeof(DWORD));
1756 } else {
1757 WORD *word_indices = indices;
1758 for (i = 0; i < This->numfaces; i++) {
1759 DWORD new_pos = face_remap[i] * 3;
1760 DWORD old_pos = i * 3;
1761 word_indices[new_pos++] = dword_indices[old_pos++];
1762 word_indices[new_pos++] = dword_indices[old_pos++];
1763 word_indices[new_pos] = dword_indices[old_pos];
1764 }
1765 }
1766
1767 fill_attribute_table(attrib_buffer, This->numfaces, indices,
1768 This->options & D3DXMESH_32BIT, attrib_table);
1769
1770 HeapFree(GetProcessHeap(), 0, This->attrib_table);
1771 This->attrib_table = attrib_table;
1772 This->attrib_table_size = attrib_table_size;
1773 } else {
1774 if (This->options & D3DXMESH_32BIT) {
1775 memcpy(indices, dword_indices, This->numfaces * 3 * sizeof(DWORD));
1776 } else {
1777 WORD *word_indices = indices;
1778 for (i = 0; i < This->numfaces * 3; i++)
1779 *word_indices++ = dword_indices[i];
1780 }
1781 }
1782
1783 if (adjacency_out) {
1784 if (face_remap) {
1785 for (i = 0; i < This->numfaces; i++) {
1786 DWORD old_pos = i * 3;
1787 DWORD new_pos = face_remap[i] * 3;
1788 adjacency_out[new_pos++] = face_remap[adjacency_in[old_pos++]];
1789 adjacency_out[new_pos++] = face_remap[adjacency_in[old_pos++]];
1790 adjacency_out[new_pos++] = face_remap[adjacency_in[old_pos++]];
1791 }
1792 } else {
1793 memcpy(adjacency_out, adjacency_in, This->numfaces * 3 * sizeof(*adjacency_out));
1794 }
1795 }
1796 if (face_remap_out) {
1797 if (face_remap) {
1798 for (i = 0; i < This->numfaces; i++)
1799 face_remap_out[face_remap[i]] = i;
1800 } else {
1801 for (i = 0; i < This->numfaces; i++)
1802 face_remap_out[i] = i;
1803 }
1804 }
1805 if (vertex_remap_out)
1806 *vertex_remap_out = vertex_remap;
1807 vertex_remap = NULL;
1808
1809 if (vertex_buffer) {
1810 IDirect3DVertexBuffer9_Release(This->vertex_buffer);
1811 This->vertex_buffer = vertex_buffer;
1812 vertex_buffer = NULL;
1813 This->numvertices = new_num_vertices;
1814 }
1815
1816 hr = D3D_OK;
1817 cleanup:
1818 HeapFree(GetProcessHeap(), 0, sorted_attrib_buffer);
1819 HeapFree(GetProcessHeap(), 0, face_remap);
1820 HeapFree(GetProcessHeap(), 0, dword_indices);
1821 if (vertex_remap) ID3DXBuffer_Release(vertex_remap);
1822 if (vertex_buffer) IDirect3DVertexBuffer9_Release(vertex_buffer);
1823 if (attrib_buffer) iface->lpVtbl->UnlockAttributeBuffer(iface);
1824 if (indices) iface->lpVtbl->UnlockIndexBuffer(iface);
1825 return hr;
1826 }
1827
1828 static HRESULT WINAPI ID3DXMeshImpl_SetAttributeTable(ID3DXMesh *iface, CONST D3DXATTRIBUTERANGE *attrib_table, DWORD attrib_table_size)
1829 {
1830 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
1831 D3DXATTRIBUTERANGE *new_table = NULL;
1832
1833 TRACE("(%p)->(%p,%u)\n", This, attrib_table, attrib_table_size);
1834
1835 if (attrib_table_size) {
1836 size_t size = attrib_table_size * sizeof(*attrib_table);
1837
1838 new_table = HeapAlloc(GetProcessHeap(), 0, size);
1839 if (!new_table)
1840 return E_OUTOFMEMORY;
1841
1842 CopyMemory(new_table, attrib_table, size);
1843 } else if (attrib_table) {
1844 return D3DERR_INVALIDCALL;
1845 }
1846 HeapFree(GetProcessHeap(), 0, This->attrib_table);
1847 This->attrib_table = new_table;
1848 This->attrib_table_size = attrib_table_size;
1849
1850 return D3D_OK;
1851 }
1852
1853 static const struct ID3DXMeshVtbl D3DXMesh_Vtbl =
1854 {
1855 /*** IUnknown methods ***/
1856 ID3DXMeshImpl_QueryInterface,
1857 ID3DXMeshImpl_AddRef,
1858 ID3DXMeshImpl_Release,
1859 /*** ID3DXBaseMesh ***/
1860 ID3DXMeshImpl_DrawSubset,
1861 ID3DXMeshImpl_GetNumFaces,
1862 ID3DXMeshImpl_GetNumVertices,
1863 ID3DXMeshImpl_GetFVF,
1864 ID3DXMeshImpl_GetDeclaration,
1865 ID3DXMeshImpl_GetNumBytesPerVertex,
1866 ID3DXMeshImpl_GetOptions,
1867 ID3DXMeshImpl_GetDevice,
1868 ID3DXMeshImpl_CloneMeshFVF,
1869 ID3DXMeshImpl_CloneMesh,
1870 ID3DXMeshImpl_GetVertexBuffer,
1871 ID3DXMeshImpl_GetIndexBuffer,
1872 ID3DXMeshImpl_LockVertexBuffer,
1873 ID3DXMeshImpl_UnlockVertexBuffer,
1874 ID3DXMeshImpl_LockIndexBuffer,
1875 ID3DXMeshImpl_UnlockIndexBuffer,
1876 ID3DXMeshImpl_GetAttributeTable,
1877 ID3DXMeshImpl_ConvertPointRepsToAdjacency,
1878 ID3DXMeshImpl_ConvertAdjacencyToPointReps,
1879 ID3DXMeshImpl_GenerateAdjacency,
1880 ID3DXMeshImpl_UpdateSemantics,
1881 /*** ID3DXMesh ***/
1882 ID3DXMeshImpl_LockAttributeBuffer,
1883 ID3DXMeshImpl_UnlockAttributeBuffer,
1884 ID3DXMeshImpl_Optimize,
1885 ID3DXMeshImpl_OptimizeInplace,
1886 ID3DXMeshImpl_SetAttributeTable
1887 };
1888
1889 /*************************************************************************
1890 * D3DXBoxBoundProbe
1891 */
1892 BOOL WINAPI D3DXBoxBoundProbe(CONST D3DXVECTOR3 *pmin, CONST D3DXVECTOR3 *pmax, CONST D3DXVECTOR3 *prayposition, CONST D3DXVECTOR3 *praydirection)
1893
1894 /* Algorithm taken from the article: An Efficient and Robust Ray-Box Intersection Algorithm
1895 Amy Williams University of Utah
1896 Steve Barrus University of Utah
1897 R. Keith Morley University of Utah
1898 Peter Shirley University of Utah
1899
1900 International Conference on Computer Graphics and Interactive Techniques archive
1901 ACM SIGGRAPH 2005 Courses
1902 Los Angeles, California
1903
1904 This algorithm is free of patents or of copyrights, as confirmed by Peter Shirley himself.
1905
1906 Algorithm: Consider the box as the intersection of three slabs. Clip the ray
1907 against each slab, if there's anything left of the ray after we're
1908 done we've got an intersection of the ray with the box.
1909 */
1910
1911 {
1912 FLOAT div, tmin, tmax, tymin, tymax, tzmin, tzmax;
1913
1914 div = 1.0f / praydirection->x;
1915 if ( div >= 0.0f )
1916 {
1917 tmin = ( pmin->x - prayposition->x ) * div;
1918 tmax = ( pmax->x - prayposition->x ) * div;
1919 }
1920 else
1921 {
1922 tmin = ( pmax->x - prayposition->x ) * div;
1923 tmax = ( pmin->x - prayposition->x ) * div;
1924 }
1925
1926 if ( tmax < 0.0f ) return FALSE;
1927
1928 div = 1.0f / praydirection->y;
1929 if ( div >= 0.0f )
1930 {
1931 tymin = ( pmin->y - prayposition->y ) * div;
1932 tymax = ( pmax->y - prayposition->y ) * div;
1933 }
1934 else
1935 {
1936 tymin = ( pmax->y - prayposition->y ) * div;
1937 tymax = ( pmin->y - prayposition->y ) * div;
1938 }
1939
1940 if ( ( tymax < 0.0f ) || ( tmin > tymax ) || ( tymin > tmax ) ) return FALSE;
1941
1942 if ( tymin > tmin ) tmin = tymin;
1943 if ( tymax < tmax ) tmax = tymax;
1944
1945 div = 1.0f / praydirection->z;
1946 if ( div >= 0.0f )
1947 {
1948 tzmin = ( pmin->z - prayposition->z ) * div;
1949 tzmax = ( pmax->z - prayposition->z ) * div;
1950 }
1951 else
1952 {
1953 tzmin = ( pmax->z - prayposition->z ) * div;
1954 tzmax = ( pmin->z - prayposition->z ) * div;
1955 }
1956
1957 if ( (tzmax < 0.0f ) || ( tmin > tzmax ) || ( tzmin > tmax ) ) return FALSE;
1958
1959 return TRUE;
1960 }
1961
1962 /*************************************************************************
1963 * D3DXComputeBoundingBox
1964 */
1965 HRESULT WINAPI D3DXComputeBoundingBox(CONST D3DXVECTOR3 *pfirstposition, DWORD numvertices, DWORD dwstride, D3DXVECTOR3 *pmin, D3DXVECTOR3 *pmax)
1966 {
1967 D3DXVECTOR3 vec;
1968 unsigned int i;
1969
1970 if( !pfirstposition || !pmin || !pmax ) return D3DERR_INVALIDCALL;
1971
1972 *pmin = *pfirstposition;
1973 *pmax = *pmin;
1974
1975 for(i=0; i<numvertices; i++)
1976 {
1977 vec = *( (const D3DXVECTOR3*)((const char*)pfirstposition + dwstride * i) );
1978
1979 if ( vec.x < pmin->x ) pmin->x = vec.x;
1980 if ( vec.x > pmax->x ) pmax->x = vec.x;
1981
1982 if ( vec.y < pmin->y ) pmin->y = vec.y;
1983 if ( vec.y > pmax->y ) pmax->y = vec.y;
1984
1985 if ( vec.z < pmin->z ) pmin->z = vec.z;
1986 if ( vec.z > pmax->z ) pmax->z = vec.z;
1987 }
1988
1989 return D3D_OK;
1990 }
1991
1992 /*************************************************************************
1993 * D3DXComputeBoundingSphere
1994 */
1995 HRESULT WINAPI D3DXComputeBoundingSphere(CONST D3DXVECTOR3* pfirstposition, DWORD numvertices, DWORD dwstride, D3DXVECTOR3 *pcenter, FLOAT *pradius)
1996 {
1997 D3DXVECTOR3 temp;
1998 FLOAT d;
1999 unsigned int i;
2000
2001 if( !pfirstposition || !pcenter || !pradius ) return D3DERR_INVALIDCALL;
2002
2003 temp.x = 0.0f;
2004 temp.y = 0.0f;
2005 temp.z = 0.0f;
2006 *pradius = 0.0f;
2007
2008 for(i=0; i<numvertices; i++)
2009 D3DXVec3Add(&temp, &temp, (const D3DXVECTOR3*)((const char*)pfirstposition + dwstride * i));
2010
2011 D3DXVec3Scale(pcenter, &temp, 1.0f / numvertices);
2012
2013 for(i=0; i<numvertices; i++)
2014 {
2015 d = D3DXVec3Length(D3DXVec3Subtract(&temp, (const D3DXVECTOR3*)((const char*)pfirstposition + dwstride * i), pcenter));
2016 if ( d > *pradius ) *pradius = d;
2017 }
2018 return D3D_OK;
2019 }
2020
2021 static void append_decl_element(D3DVERTEXELEMENT9 *declaration, UINT *idx, UINT *offset,
2022 D3DDECLTYPE type, D3DDECLUSAGE usage, UINT usage_idx)
2023 {
2024 declaration[*idx].Stream = 0;
2025 declaration[*idx].Offset = *offset;
2026 declaration[*idx].Type = type;
2027 declaration[*idx].Method = D3DDECLMETHOD_DEFAULT;
2028 declaration[*idx].Usage = usage;
2029 declaration[*idx].UsageIndex = usage_idx;
2030
2031 *offset += d3dx_decltype_size[type];
2032 ++(*idx);
2033 }
2034
2035 /*************************************************************************
2036 * D3DXDeclaratorFromFVF
2037 */
2038 HRESULT WINAPI D3DXDeclaratorFromFVF(DWORD fvf, D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE])
2039 {
2040 static const D3DVERTEXELEMENT9 end_element = D3DDECL_END();
2041 DWORD tex_count = (fvf & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT;
2042 unsigned int offset = 0;
2043 unsigned int idx = 0;
2044 unsigned int i;
2045
2046 TRACE("fvf %#x, declaration %p.\n", fvf, declaration);
2047
2048 if (fvf & (D3DFVF_RESERVED0 | D3DFVF_RESERVED2)) return D3DERR_INVALIDCALL;
2049
2050 if (fvf & D3DFVF_POSITION_MASK)
2051 {
2052 BOOL has_blend = (fvf & D3DFVF_XYZB5) >= D3DFVF_XYZB1;
2053 DWORD blend_count = 1 + (((fvf & D3DFVF_XYZB5) - D3DFVF_XYZB1) >> 1);
2054 BOOL has_blend_idx = (fvf & D3DFVF_LASTBETA_D3DCOLOR) || (fvf & D3DFVF_LASTBETA_UBYTE4);
2055
2056 if (has_blend_idx) --blend_count;
2057
2058 if ((fvf & D3DFVF_POSITION_MASK) == D3DFVF_XYZW
2059 || (has_blend && blend_count > 4))
2060 return D3DERR_INVALIDCALL;
2061
2062 if ((fvf & D3DFVF_POSITION_MASK) == D3DFVF_XYZRHW)
2063 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT4, D3DDECLUSAGE_POSITIONT, 0);
2064 else
2065 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT3, D3DDECLUSAGE_POSITION, 0);
2066
2067 if (has_blend)
2068 {
2069 switch (blend_count)
2070 {
2071 case 0:
2072 break;
2073 case 1:
2074 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT1, D3DDECLUSAGE_BLENDWEIGHT, 0);
2075 break;
2076 case 2:
2077 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT2, D3DDECLUSAGE_BLENDWEIGHT, 0);
2078 break;
2079 case 3:
2080 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT3, D3DDECLUSAGE_BLENDWEIGHT, 0);
2081 break;
2082 case 4:
2083 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT4, D3DDECLUSAGE_BLENDWEIGHT, 0);
2084 break;
2085 default:
2086 ERR("Invalid blend count %u.\n", blend_count);
2087 break;
2088 }
2089
2090 if (has_blend_idx)
2091 {
2092 if (fvf & D3DFVF_LASTBETA_UBYTE4)
2093 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_UBYTE4, D3DDECLUSAGE_BLENDINDICES, 0);
2094 else if (fvf & D3DFVF_LASTBETA_D3DCOLOR)
2095 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_D3DCOLOR, D3DDECLUSAGE_BLENDINDICES, 0);
2096 }
2097 }
2098 }
2099
2100 if (fvf & D3DFVF_NORMAL)
2101 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT3, D3DDECLUSAGE_NORMAL, 0);
2102 if (fvf & D3DFVF_PSIZE)
2103 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT1, D3DDECLUSAGE_PSIZE, 0);
2104 if (fvf & D3DFVF_DIFFUSE)
2105 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_D3DCOLOR, D3DDECLUSAGE_COLOR, 0);
2106 if (fvf & D3DFVF_SPECULAR)
2107 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_D3DCOLOR, D3DDECLUSAGE_COLOR, 1);
2108
2109 for (i = 0; i < tex_count; ++i)
2110 {
2111 switch ((fvf >> (16 + 2 * i)) & 0x03)
2112 {
2113 case D3DFVF_TEXTUREFORMAT1:
2114 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT1, D3DDECLUSAGE_TEXCOORD, i);
2115 break;
2116 case D3DFVF_TEXTUREFORMAT2:
2117 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT2, D3DDECLUSAGE_TEXCOORD, i);
2118 break;
2119 case D3DFVF_TEXTUREFORMAT3:
2120 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT3, D3DDECLUSAGE_TEXCOORD, i);
2121 break;
2122 case D3DFVF_TEXTUREFORMAT4:
2123 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT4, D3DDECLUSAGE_TEXCOORD, i);
2124 break;
2125 }
2126 }
2127
2128 declaration[idx] = end_element;
2129
2130 return D3D_OK;
2131 }
2132
2133 /*************************************************************************
2134 * D3DXFVFFromDeclarator
2135 */
2136 HRESULT WINAPI D3DXFVFFromDeclarator(const D3DVERTEXELEMENT9 *declaration, DWORD *fvf)
2137 {
2138 unsigned int i = 0, texture, offset;
2139
2140 TRACE("(%p, %p)\n", declaration, fvf);
2141
2142 *fvf = 0;
2143 if (declaration[0].Type == D3DDECLTYPE_FLOAT3 && declaration[0].Usage == D3DDECLUSAGE_POSITION)
2144 {
2145 if ((declaration[1].Type == D3DDECLTYPE_FLOAT4 && declaration[1].Usage == D3DDECLUSAGE_BLENDWEIGHT &&
2146 declaration[1].UsageIndex == 0) &&
2147 (declaration[2].Type == D3DDECLTYPE_FLOAT1 && declaration[2].Usage == D3DDECLUSAGE_BLENDINDICES &&
2148 declaration[2].UsageIndex == 0))
2149 {
2150 return D3DERR_INVALIDCALL;
2151 }
2152 else if ((declaration[1].Type == D3DDECLTYPE_UBYTE4 || declaration[1].Type == D3DDECLTYPE_D3DCOLOR) &&
2153 declaration[1].Usage == D3DDECLUSAGE_BLENDINDICES && declaration[1].UsageIndex == 0)
2154 {
2155 if (declaration[1].Type == D3DDECLTYPE_UBYTE4)
2156 {
2157 *fvf |= D3DFVF_XYZB1 | D3DFVF_LASTBETA_UBYTE4;
2158 }
2159 else
2160 {
2161 *fvf |= D3DFVF_XYZB1 | D3DFVF_LASTBETA_D3DCOLOR;
2162 }
2163 i = 2;
2164 }
2165 else if (declaration[1].Type <= D3DDECLTYPE_FLOAT4 && declaration[1].Usage == D3DDECLUSAGE_BLENDWEIGHT &&
2166 declaration[1].UsageIndex == 0)
2167 {
2168 if ((declaration[2].Type == D3DDECLTYPE_UBYTE4 || declaration[2].Type == D3DDECLTYPE_D3DCOLOR) &&
2169 declaration[2].Usage == D3DDECLUSAGE_BLENDINDICES && declaration[2].UsageIndex == 0)
2170 {
2171 if (declaration[2].Type == D3DDECLTYPE_UBYTE4)
2172 {
2173 *fvf |= D3DFVF_LASTBETA_UBYTE4;
2174 }
2175 else
2176 {
2177 *fvf |= D3DFVF_LASTBETA_D3DCOLOR;
2178 }
2179 switch (declaration[1].Type)
2180 {
2181 case D3DDECLTYPE_FLOAT1: *fvf |= D3DFVF_XYZB2; break;
2182 case D3DDECLTYPE_FLOAT2: *fvf |= D3DFVF_XYZB3; break;
2183 case D3DDECLTYPE_FLOAT3: *fvf |= D3DFVF_XYZB4; break;
2184 case D3DDECLTYPE_FLOAT4: *fvf |= D3DFVF_XYZB5; break;
2185 }
2186 i = 3;
2187 }
2188 else
2189 {
2190 switch (declaration[1].Type)
2191 {
2192 case D3DDECLTYPE_FLOAT1: *fvf |= D3DFVF_XYZB1; break;
2193 case D3DDECLTYPE_FLOAT2: *fvf |= D3DFVF_XYZB2; break;
2194 case D3DDECLTYPE_FLOAT3: *fvf |= D3DFVF_XYZB3; break;
2195 case D3DDECLTYPE_FLOAT4: *fvf |= D3DFVF_XYZB4; break;
2196 }
2197 i = 2;
2198 }
2199 }
2200 else
2201 {
2202 *fvf |= D3DFVF_XYZ;
2203 i = 1;
2204 }
2205 }
2206 else if (declaration[0].Type == D3DDECLTYPE_FLOAT4 && declaration[0].Usage == D3DDECLUSAGE_POSITIONT &&
2207 declaration[0].UsageIndex == 0)
2208 {
2209 *fvf |= D3DFVF_XYZRHW;
2210 i = 1;
2211 }
2212
2213 if (declaration[i].Type == D3DDECLTYPE_FLOAT3 && declaration[i].Usage == D3DDECLUSAGE_NORMAL)
2214 {
2215 *fvf |= D3DFVF_NORMAL;
2216 i++;
2217 }
2218 if (declaration[i].Type == D3DDECLTYPE_FLOAT1 && declaration[i].Usage == D3DDECLUSAGE_PSIZE &&
2219 declaration[i].UsageIndex == 0)
2220 {
2221 *fvf |= D3DFVF_PSIZE;
2222 i++;
2223 }
2224 if (declaration[i].Type == D3DDECLTYPE_D3DCOLOR && declaration[i].Usage == D3DDECLUSAGE_COLOR &&
2225 declaration[i].UsageIndex == 0)
2226 {
2227 *fvf |= D3DFVF_DIFFUSE;
2228 i++;
2229 }
2230 if (declaration[i].Type == D3DDECLTYPE_D3DCOLOR && declaration[i].Usage == D3DDECLUSAGE_COLOR &&
2231 declaration[i].UsageIndex == 1)
2232 {
2233 *fvf |= D3DFVF_SPECULAR;
2234 i++;
2235 }
2236
2237 for (texture = 0; texture < D3DDP_MAXTEXCOORD; i++, texture++)
2238 {
2239 if (declaration[i].Stream == 0xFF)
2240 {
2241 break;
2242 }
2243 else if (declaration[i].Type == D3DDECLTYPE_FLOAT1 && declaration[i].Usage == D3DDECLUSAGE_TEXCOORD &&
2244 declaration[i].UsageIndex == texture)
2245 {
2246 *fvf |= D3DFVF_TEXCOORDSIZE1(declaration[i].UsageIndex);
2247 }
2248 else if (declaration[i].Type == D3DDECLTYPE_FLOAT2 && declaration[i].Usage == D3DDECLUSAGE_TEXCOORD &&
2249 declaration[i].UsageIndex == texture)
2250 {
2251 *fvf |= D3DFVF_TEXCOORDSIZE2(declaration[i].UsageIndex);
2252 }
2253 else if (declaration[i].Type == D3DDECLTYPE_FLOAT3 && declaration[i].Usage == D3DDECLUSAGE_TEXCOORD &&
2254 declaration[i].UsageIndex == texture)
2255 {
2256 *fvf |= D3DFVF_TEXCOORDSIZE3(declaration[i].UsageIndex);
2257 }
2258 else if (declaration[i].Type == D3DDECLTYPE_FLOAT4 && declaration[i].Usage == D3DDECLUSAGE_TEXCOORD &&
2259 declaration[i].UsageIndex == texture)
2260 {
2261 *fvf |= D3DFVF_TEXCOORDSIZE4(declaration[i].UsageIndex);
2262 }
2263 else
2264 {
2265 return D3DERR_INVALIDCALL;
2266 }
2267 }
2268
2269 *fvf |= (texture << D3DFVF_TEXCOUNT_SHIFT);
2270
2271 for (offset = 0, i = 0; declaration[i].Stream != 0xFF;
2272 offset += d3dx_decltype_size[declaration[i].Type], i++)
2273 {
2274 if (declaration[i].Offset != offset)
2275 {
2276 return D3DERR_INVALIDCALL;
2277 }
2278 }
2279
2280 return D3D_OK;
2281 }
2282
2283 /*************************************************************************
2284 * D3DXGetFVFVertexSize
2285 */
2286 static UINT Get_TexCoord_Size_From_FVF(DWORD FVF, int tex_num)
2287 {
2288 return (((((FVF) >> (16 + (2 * (tex_num)))) + 1) & 0x03) + 1);
2289 }
2290
2291 UINT WINAPI D3DXGetFVFVertexSize(DWORD FVF)
2292 {
2293 DWORD size = 0;
2294 UINT i;
2295 UINT numTextures = (FVF & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT;
2296
2297 if (FVF & D3DFVF_NORMAL) size += sizeof(D3DXVECTOR3);
2298 if (FVF & D3DFVF_DIFFUSE) size += sizeof(DWORD);
2299 if (FVF & D3DFVF_SPECULAR) size += sizeof(DWORD);
2300 if (FVF & D3DFVF_PSIZE) size += sizeof(DWORD);
2301
2302 switch (FVF & D3DFVF_POSITION_MASK)
2303 {
2304 case D3DFVF_XYZ: size += sizeof(D3DXVECTOR3); break;
2305 case D3DFVF_XYZRHW: size += 4 * sizeof(FLOAT); break;
2306 case D3DFVF_XYZB1: size += 4 * sizeof(FLOAT); break;
2307 case D3DFVF_XYZB2: size += 5 * sizeof(FLOAT); break;
2308 case D3DFVF_XYZB3: size += 6 * sizeof(FLOAT); break;
2309 case D3DFVF_XYZB4: size += 7 * sizeof(FLOAT); break;
2310 case D3DFVF_XYZB5: size += 8 * sizeof(FLOAT); break;
2311 case D3DFVF_XYZW: size += 4 * sizeof(FLOAT); break;
2312 }
2313
2314 for (i = 0; i < numTextures; i++)
2315 {
2316 size += Get_TexCoord_Size_From_FVF(FVF, i) * sizeof(FLOAT);
2317 }
2318
2319 return size;
2320 }
2321
2322 /*************************************************************************
2323 * D3DXGetDeclVertexSize
2324 */
2325 UINT WINAPI D3DXGetDeclVertexSize(const D3DVERTEXELEMENT9 *decl, DWORD stream_idx)
2326 {
2327 const D3DVERTEXELEMENT9 *element;
2328 UINT size = 0;
2329
2330 TRACE("decl %p, stream_idx %u\n", decl, stream_idx);
2331
2332 if (!decl) return 0;
2333
2334 for (element = decl; element->Stream != 0xff; ++element)
2335 {
2336 UINT type_size;
2337
2338 if (element->Stream != stream_idx) continue;
2339
2340 if (element->Type >= sizeof(d3dx_decltype_size) / sizeof(*d3dx_decltype_size))
2341 {
2342 FIXME("Unhandled element type %#x, size will be incorrect.\n", element->Type);
2343 continue;
2344 }
2345
2346 type_size = d3dx_decltype_size[element->Type];
2347 if (element->Offset + type_size > size) size = element->Offset + type_size;
2348 }
2349
2350 return size;
2351 }
2352
2353 /*************************************************************************
2354 * D3DXGetDeclLength
2355 */
2356 UINT WINAPI D3DXGetDeclLength(const D3DVERTEXELEMENT9 *decl)
2357 {
2358 const D3DVERTEXELEMENT9 *element;
2359
2360 TRACE("decl %p\n", decl);
2361
2362 /* null decl results in exception on Windows XP */
2363
2364 for (element = decl; element->Stream != 0xff; ++element);
2365
2366 return element - decl;
2367 }
2368
2369 /*************************************************************************
2370 * D3DXIntersectTri
2371 */
2372 BOOL WINAPI D3DXIntersectTri(CONST D3DXVECTOR3 *p0, CONST D3DXVECTOR3 *p1, CONST D3DXVECTOR3 *p2, CONST D3DXVECTOR3 *praypos, CONST D3DXVECTOR3 *praydir, FLOAT *pu, FLOAT *pv, FLOAT *pdist)
2373 {
2374 D3DXMATRIX m;
2375 D3DXVECTOR4 vec;
2376
2377 m.u.m[0][0] = p1->x - p0->x;
2378 m.u.m[1][0] = p2->x - p0->x;
2379 m.u.m[2][0] = -praydir->x;
2380 m.u.m[3][0] = 0.0f;
2381 m.u.m[0][1] = p1->y - p0->z;
2382 m.u.m[1][1] = p2->y - p0->z;
2383 m.u.m[2][1] = -praydir->y;
2384 m.u.m[3][1] = 0.0f;
2385 m.u.m[0][2] = p1->z - p0->z;
2386 m.u.m[1][2] = p2->z - p0->z;
2387 m.u.m[2][2] = -praydir->z;
2388 m.u.m[3][2] = 0.0f;
2389 m.u.m[0][3] = 0.0f;
2390 m.u.m[1][3] = 0.0f;
2391 m.u.m[2][3] = 0.0f;
2392 m.u.m[3][3] = 1.0f;
2393
2394 vec.x = praypos->x - p0->x;
2395 vec.y = praypos->y - p0->y;
2396 vec.z = praypos->z - p0->z;
2397 vec.w = 0.0f;
2398
2399 if ( D3DXMatrixInverse(&m, NULL, &m) )
2400 {
2401 D3DXVec4Transform(&vec, &vec, &m);
2402 if ( (vec.x >= 0.0f) && (vec.y >= 0.0f) && (vec.x + vec.y <= 1.0f) && (vec.z >= 0.0f) )
2403 {
2404 *pu = vec.x;
2405 *pv = vec.y;
2406 *pdist = fabs( vec.z );
2407 return TRUE;
2408 }
2409 }
2410
2411 return FALSE;
2412 }
2413
2414 /*************************************************************************
2415 * D3DXSphereBoundProbe
2416 */
2417 BOOL WINAPI D3DXSphereBoundProbe(CONST D3DXVECTOR3 *pcenter, FLOAT radius, CONST D3DXVECTOR3 *prayposition, CONST D3DXVECTOR3 *praydirection)
2418 {
2419 D3DXVECTOR3 difference;
2420 FLOAT a, b, c, d;
2421
2422 a = D3DXVec3LengthSq(praydirection);
2423 if (!D3DXVec3Subtract(&difference, prayposition, pcenter)) return FALSE;
2424 b = D3DXVec3Dot(&difference, praydirection);
2425 c = D3DXVec3LengthSq(&difference) - radius * radius;
2426 d = b * b - a * c;
2427
2428 if ( ( d <= 0.0f ) || ( sqrt(d) <= b ) ) return FALSE;
2429 return TRUE;
2430 }
2431
2432 /*************************************************************************
2433 * D3DXCreateMesh
2434 */
2435 HRESULT WINAPI D3DXCreateMesh(DWORD numfaces, DWORD numvertices, DWORD options,
2436 const D3DVERTEXELEMENT9 *declaration, struct IDirect3DDevice9 *device, struct ID3DXMesh **mesh)
2437 {
2438 HRESULT hr;
2439 DWORD fvf;
2440 IDirect3DVertexDeclaration9 *vertex_declaration;
2441 UINT vertex_declaration_size;
2442 UINT num_elem;
2443 IDirect3DVertexBuffer9 *vertex_buffer;
2444 IDirect3DIndexBuffer9 *index_buffer;
2445 DWORD *attrib_buffer;
2446 ID3DXMeshImpl *object;
2447 DWORD index_usage = 0;
2448 D3DPOOL index_pool = D3DPOOL_DEFAULT;
2449 D3DFORMAT index_format = D3DFMT_INDEX16;
2450 DWORD vertex_usage = 0;
2451 D3DPOOL vertex_pool = D3DPOOL_DEFAULT;
2452 int i;
2453
2454 TRACE("(%d, %d, %x, %p, %p, %p)\n", numfaces, numvertices, options, declaration, device, mesh);
2455
2456 if (numfaces == 0 || numvertices == 0 || declaration == NULL || device == NULL || mesh == NULL ||
2457 /* D3DXMESH_VB_SHARE is for cloning, and D3DXMESH_USEHWONLY is for ConvertToBlendedMesh */
2458 (options & (D3DXMESH_VB_SHARE | D3DXMESH_USEHWONLY | 0xfffe0000)))
2459 {
2460 return D3DERR_INVALIDCALL;
2461 }
2462 for (i = 0; declaration[i].Stream != 0xff; i++)
2463 if (declaration[i].Stream != 0)
2464 return D3DERR_INVALIDCALL;
2465 num_elem = i + 1;
2466
2467 if (options & D3DXMESH_32BIT)
2468 index_format = D3DFMT_INDEX32;
2469
2470 if (options & D3DXMESH_DONOTCLIP) {
2471 index_usage |= D3DUSAGE_DONOTCLIP;
2472 vertex_usage |= D3DUSAGE_DONOTCLIP;
2473 }
2474 if (options & D3DXMESH_POINTS) {
2475 index_usage |= D3DUSAGE_POINTS;
2476 vertex_usage |= D3DUSAGE_POINTS;
2477 }
2478 if (options & D3DXMESH_RTPATCHES) {
2479 index_usage |= D3DUSAGE_RTPATCHES;
2480 vertex_usage |= D3DUSAGE_RTPATCHES;
2481 }
2482 if (options & D3DXMESH_NPATCHES) {
2483 index_usage |= D3DUSAGE_NPATCHES;
2484 vertex_usage |= D3DUSAGE_NPATCHES;
2485 }
2486
2487 if (options & D3DXMESH_VB_SYSTEMMEM)
2488 vertex_pool = D3DPOOL_SYSTEMMEM;
2489 else if (options & D3DXMESH_VB_MANAGED)
2490 vertex_pool = D3DPOOL_MANAGED;
2491
2492 if (options & D3DXMESH_VB_WRITEONLY)
2493 vertex_usage |= D3DUSAGE_WRITEONLY;
2494 if (options & D3DXMESH_VB_DYNAMIC)
2495 vertex_usage |= D3DUSAGE_DYNAMIC;
2496 if (options & D3DXMESH_VB_SOFTWAREPROCESSING)
2497 vertex_usage |= D3DUSAGE_SOFTWAREPROCESSING;
2498
2499 if (options & D3DXMESH_IB_SYSTEMMEM)
2500 index_pool = D3DPOOL_SYSTEMMEM;
2501 else if (options & D3DXMESH_IB_MANAGED)
2502 index_pool = D3DPOOL_MANAGED;
2503
2504 if (options & D3DXMESH_IB_WRITEONLY)
2505 index_usage |= D3DUSAGE_WRITEONLY;
2506 if (options & D3DXMESH_IB_DYNAMIC)
2507 index_usage |= D3DUSAGE_DYNAMIC;
2508 if (options & D3DXMESH_IB_SOFTWAREPROCESSING)
2509 index_usage |= D3DUSAGE_SOFTWAREPROCESSING;
2510
2511 hr = D3DXFVFFromDeclarator(declaration, &fvf);
2512 if (hr != D3D_OK)
2513 {
2514 fvf = 0;
2515 }
2516
2517 /* Create vertex declaration */
2518 hr = IDirect3DDevice9_CreateVertexDeclaration(device,
2519 declaration,
2520 &vertex_declaration);
2521 if (FAILED(hr))
2522 {
2523 WARN("Unexpected return value %x from IDirect3DDevice9_CreateVertexDeclaration.\n",hr);
2524 return hr;
2525 }
2526 vertex_declaration_size = D3DXGetDeclVertexSize(declaration, declaration[0].Stream);
2527
2528 /* Create vertex buffer */
2529 hr = IDirect3DDevice9_CreateVertexBuffer(device,
2530 numvertices * vertex_declaration_size,
2531 vertex_usage,
2532 fvf,
2533 vertex_pool,
2534 &vertex_buffer,
2535 NULL);
2536 if (FAILED(hr))
2537 {
2538 WARN("Unexpected return value %x from IDirect3DDevice9_CreateVertexBuffer.\n",hr);
2539 IDirect3DVertexDeclaration9_Release(vertex_declaration);
2540 return hr;
2541 }
2542
2543 /* Create index buffer */
2544 hr = IDirect3DDevice9_CreateIndexBuffer(device,
2545 numfaces * 3 * ((index_format == D3DFMT_INDEX16) ? 2 : 4),
2546 index_usage,
2547 index_format,
2548 index_pool,
2549 &index_buffer,
2550 NULL);
2551 if (FAILED(hr))
2552 {
2553 WARN("Unexpected return value %x from IDirect3DDevice9_CreateVertexBuffer.\n",hr);
2554 IDirect3DVertexBuffer9_Release(vertex_buffer);
2555 IDirect3DVertexDeclaration9_Release(vertex_declaration);
2556 return hr;
2557 }
2558
2559 attrib_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, numfaces * sizeof(*attrib_buffer));
2560 object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ID3DXMeshImpl));
2561 if (object == NULL || attrib_buffer == NULL)
2562 {
2563 HeapFree(GetProcessHeap(), 0, object);
2564 HeapFree(GetProcessHeap(), 0, attrib_buffer);
2565 IDirect3DIndexBuffer9_Release(index_buffer);
2566 IDirect3DVertexBuffer9_Release(vertex_buffer);
2567 IDirect3DVertexDeclaration9_Release(vertex_declaration);
2568 *mesh = NULL;
2569 return E_OUTOFMEMORY;
2570 }
2571 object->ID3DXMesh_iface.lpVtbl = &D3DXMesh_Vtbl;
2572 object->ref = 1;
2573
2574 object->numfaces = numfaces;
2575 object->numvertices = numvertices;
2576 object->options = options;
2577 object->fvf = fvf;
2578 object->device = device;
2579 IDirect3DDevice9_AddRef(device);
2580
2581 copy_declaration(object->cached_declaration, declaration, num_elem);
2582 object->vertex_declaration = vertex_declaration;
2583 object->vertex_declaration_size = vertex_declaration_size;
2584 object->num_elem = num_elem;
2585 object->vertex_buffer = vertex_buffer;
2586 object->index_buffer = index_buffer;
2587 object->attrib_buffer = attrib_buffer;
2588
2589 *mesh = &object->ID3DXMesh_iface;
2590
2591 return D3D_OK;
2592 }
2593
2594 /*************************************************************************
2595 * D3DXCreateMeshFVF
2596 */
2597 HRESULT WINAPI D3DXCreateMeshFVF(DWORD numfaces, DWORD numvertices, DWORD options,
2598 DWORD fvf, struct IDirect3DDevice9 *device, struct ID3DXMesh **mesh)
2599 {
2600 HRESULT hr;
2601 D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE];
2602
2603 TRACE("(%u, %u, %u, %u, %p, %p)\n", numfaces, numvertices, options, fvf, device, mesh);
2604
2605 hr = D3DXDeclaratorFromFVF(fvf, declaration);
2606 if (FAILED(hr)) return hr;
2607
2608 return D3DXCreateMesh(numfaces, numvertices, options, declaration, device, mesh);
2609 }
2610
2611
2612 struct mesh_data {
2613 DWORD num_vertices;
2614 DWORD num_poly_faces;
2615 DWORD num_tri_faces;
2616 D3DXVECTOR3 *vertices;
2617 DWORD *num_tri_per_face;
2618 DWORD *indices;
2619
2620 DWORD fvf;
2621
2622 /* optional mesh data */
2623
2624 DWORD num_normals;
2625 D3DXVECTOR3 *normals;
2626 DWORD *normal_indices;
2627
2628 D3DXVECTOR2 *tex_coords;
2629
2630 DWORD *vertex_colors;
2631
2632 DWORD num_materials;
2633 D3DXMATERIAL *materials;
2634 DWORD *material_indices;
2635 };
2636
2637 static HRESULT get_next_child(IDirectXFileData *filedata, IDirectXFileData **child, const GUID **type)
2638 {
2639 HRESULT hr;
2640 IDirectXFileDataReference *child_ref = NULL;
2641 IDirectXFileObject *child_obj = NULL;
2642 IDirectXFileData *child_data = NULL;
2643
2644 hr = IDirectXFileData_GetNextObject(filedata, &child_obj);
2645 if (FAILED(hr)) return hr;
2646
2647 hr = IDirectXFileObject_QueryInterface(child_obj, &IID_IDirectXFileDataReference, (void**)&child_ref);
2648 if (SUCCEEDED(hr)) {
2649 hr = IDirectXFileDataReference_Resolve(child_ref, &child_data);
2650 IDirectXFileDataReference_Release(child_ref);
2651 } else {
2652 hr = IDirectXFileObject_QueryInterface(child_obj, &IID_IDirectXFileData, (void**)&child_data);
2653 }
2654 IDirectXFileObject_Release(child_obj);
2655 if (FAILED(hr))
2656 return hr;
2657
2658 hr = IDirectXFileData_GetType(child_data, type);
2659 if (FAILED(hr)) {
2660 IDirectXFileData_Release(child_data);
2661 } else {
2662 *child = child_data;
2663 }
2664
2665 return hr;
2666 }
2667
2668 static HRESULT parse_texture_filename(IDirectXFileData *filedata, LPSTR *filename_out)
2669 {
2670 HRESULT hr;
2671 DWORD data_size;
2672 BYTE *data;
2673 char *filename_in;
2674 char *filename = NULL;
2675
2676 /* template TextureFilename {
2677 * STRING filename;
2678 * }
2679 */
2680
2681 HeapFree(GetProcessHeap(), 0, *filename_out);
2682 *filename_out = NULL;
2683
2684 hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
2685 if (FAILED(hr)) return hr;
2686
2687 if (data_size < sizeof(LPSTR)) {
2688 WARN("truncated data (%u bytes)\n", data_size);
2689 return E_FAIL;
2690 }
2691 filename_in = *(LPSTR*)data;
2692
2693 filename = HeapAlloc(GetProcessHeap(), 0, strlen(filename_in) + 1);
2694 if (!filename) return E_OUTOFMEMORY;
2695
2696 strcpy(filename, filename_in);
2697 *filename_out = filename;
2698
2699 return D3D_OK;
2700 }
2701
2702 static HRESULT parse_material(IDirectXFileData *filedata, D3DXMATERIAL *material)
2703 {
2704 HRESULT hr;
2705 DWORD data_size;
2706 BYTE *data;
2707 const GUID *type;
2708 IDirectXFileData *child;
2709
2710 material->pTextureFilename = NULL;
2711
2712 hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
2713 if (FAILED(hr)) return hr;
2714
2715 /*
2716 * template ColorRGBA {
2717 * FLOAT red;
2718 * FLOAT green;
2719 * FLOAT blue;
2720 * FLOAT alpha;
2721 * }
2722 * template ColorRGB {
2723 * FLOAT red;
2724 * FLOAT green;
2725 * FLOAT blue;
2726 * }
2727 * template Material {
2728 * ColorRGBA faceColor;
2729 * FLOAT power;
2730 * ColorRGB specularColor;
2731 * ColorRGB emissiveColor;
2732 * [ ... ]
2733 * }
2734 */
2735 if (data_size != sizeof(FLOAT) * 11) {
2736 WARN("incorrect data size (%u bytes)\n", data_size);
2737 return E_FAIL;
2738 }
2739
2740 memcpy(&material->MatD3D.Diffuse, data, sizeof(D3DCOLORVALUE));
2741 data += sizeof(D3DCOLORVALUE);
2742 material->MatD3D.Power = *(FLOAT*)data;
2743 data += sizeof(FLOAT);
2744 memcpy(&material->MatD3D.Specular, data, sizeof(FLOAT) * 3);
2745 material->MatD3D.Specular.a = 1.0f;
2746 data += 3 * sizeof(FLOAT);
2747 memcpy(&material->MatD3D.Emissive, data, sizeof(FLOAT) * 3);
2748 material->MatD3D.Emissive.a = 1.0f;
2749 material->MatD3D.Ambient.r = 0.0f;
2750 material->MatD3D.Ambient.g = 0.0f;
2751 material->MatD3D.Ambient.b = 0.0f;
2752 material->MatD3D.Ambient.a = 1.0f;
2753
2754 while (SUCCEEDED(hr = get_next_child(filedata, &child, &type)))
2755 {
2756 if (IsEqualGUID(type, &TID_D3DRMTextureFilename)) {
2757 hr = parse_texture_filename(child, &material->pTextureFilename);
2758 if (FAILED(hr)) break;
2759 }
2760 }
2761 return hr == DXFILEERR_NOMOREOBJECTS ? D3D_OK : hr;
2762 }
2763
2764 static void destroy_materials(struct mesh_data *mesh)
2765 {
2766 int i;
2767 for (i = 0; i < mesh->num_materials; i++)
2768 HeapFree(GetProcessHeap(), 0, mesh->materials[i].pTextureFilename);
2769 HeapFree(GetProcessHeap(), 0, mesh->materials);
2770 HeapFree(GetProcessHeap(), 0, mesh->material_indices);
2771 mesh->num_materials = 0;
2772 mesh->materials = NULL;
2773 mesh->material_indices = NULL;
2774 }
2775
2776 static HRESULT parse_material_list(IDirectXFileData *filedata, struct mesh_data *mesh)
2777 {
2778 HRESULT hr;
2779 DWORD data_size;
2780 DWORD *data, *in_ptr;
2781 const GUID *type;
2782 IDirectXFileData *child;
2783 DWORD num_materials;
2784 int i;
2785
2786 destroy_materials(mesh);
2787
2788 hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
2789 if (FAILED(hr)) return hr;
2790
2791 /* template MeshMaterialList {
2792 * DWORD nMaterials;
2793 * DWORD nFaceIndexes;
2794 * array DWORD faceIndexes[nFaceIndexes];
2795 * [ Material ]
2796 * }
2797 */
2798
2799 in_ptr = data;
2800
2801 if (data_size < sizeof(DWORD))
2802 goto truncated_data_error;
2803 num_materials = *in_ptr++;
2804 if (!num_materials)
2805 return D3D_OK;
2806
2807 if (data_size < 2 * sizeof(DWORD))
2808 goto truncated_data_error;
2809 if (*in_ptr++ != mesh->num_poly_faces) {
2810 WARN("number of material face indices (%u) doesn't match number of faces (%u)\n",
2811 *(in_ptr - 1), mesh->num_poly_faces);
2812 return E_FAIL;
2813 }
2814 if (data_size < 2 * sizeof(DWORD) + mesh->num_poly_faces * sizeof(DWORD))
2815 goto truncated_data_error;
2816 for (i = 0; i < mesh->num_poly_faces; i++) {
2817 if (*in_ptr++ >= num_materials) {
2818 WARN("face %u: reference to undefined material %u (only %u materials)\n",
2819 i, *(in_ptr - 1), num_materials);
2820 return E_FAIL;
2821 }
2822 }
2823
2824 mesh->materials = HeapAlloc(GetProcessHeap(), 0, num_materials * sizeof(*mesh->materials));
2825 mesh->material_indices = HeapAlloc(GetProcessHeap(), 0, mesh->num_poly_faces * sizeof(*mesh->material_indices));
2826 if (!mesh->materials || !mesh->material_indices)
2827 return E_OUTOFMEMORY;
2828 memcpy(mesh->material_indices, data + 2, mesh->num_poly_faces * sizeof(DWORD));
2829
2830 while (SUCCEEDED(hr = get_next_child(filedata, &child, &type)))
2831 {
2832 if (IsEqualGUID(type, &TID_D3DRMMaterial)) {
2833 if (mesh->num_materials >= num_materials) {
2834 WARN("more materials defined than declared\n");
2835 return E_FAIL;
2836 }
2837 hr = parse_material(child, &mesh->materials[mesh->num_materials++]);
2838 if (FAILED(hr)) break;
2839 }
2840 }
2841 if (hr != DXFILEERR_NOMOREOBJECTS)
2842 return hr;
2843 if (num_materials != mesh->num_materials) {
2844 WARN("only %u of %u materials defined\n", num_materials, mesh->num_materials);
2845 return E_FAIL;
2846 }
2847
2848 return D3D_OK;
2849 truncated_data_error:
2850 WARN("truncated data (%u bytes)\n", data_size);
2851 return E_FAIL;
2852 }
2853
2854 static HRESULT parse_texture_coords(IDirectXFileData *filedata, struct mesh_data *mesh)
2855 {
2856 HRESULT hr;
2857 DWORD data_size;
2858 BYTE *data;
2859
2860 HeapFree(GetProcessHeap(), 0, mesh->tex_coords);
2861 mesh->tex_coords = NULL;
2862
2863 hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
2864 if (FAILED(hr)) return hr;
2865
2866 /* template Coords2d {
2867 * FLOAT u;
2868 * FLOAT v;
2869 * }
2870 * template MeshTextureCoords {
2871 * DWORD nTextureCoords;
2872 * array Coords2d textureCoords[nTextureCoords];
2873 * }
2874 */
2875
2876 if (data_size < sizeof(DWORD))
2877 goto truncated_data_error;
2878 if (*(DWORD*)data != mesh->num_vertices) {
2879 WARN("number of texture coordinates (%u) doesn't match number of vertices (%u)\n",
2880 *(DWORD*)data, mesh->num_vertices);
2881 return E_FAIL;
2882 }
2883 data += sizeof(DWORD);
2884 if (data_size < sizeof(DWORD) + mesh->num_vertices * sizeof(*mesh->tex_coords))
2885 goto truncated_data_error;
2886
2887 mesh->tex_coords = HeapAlloc(GetProcessHeap(), 0, mesh->num_vertices * sizeof(*mesh->tex_coords));
2888 if (!mesh->tex_coords) return E_OUTOFMEMORY;
2889 memcpy(mesh->tex_coords, data, mesh->num_vertices * sizeof(*mesh->tex_coords));
2890
2891 mesh->fvf |= D3DFVF_TEX1;
2892
2893 return D3D_OK;
2894 truncated_data_error:
2895 WARN("truncated data (%u bytes)\n", data_size);
2896 return E_FAIL;
2897 }
2898
2899 static HRESULT parse_vertex_colors(IDirectXFileData *filedata, struct mesh_data *mesh)
2900 {
2901 HRESULT hr;
2902 DWORD data_size;
2903 BYTE *data;
2904 DWORD num_colors;
2905 int i;
2906
2907 HeapFree(GetProcessHeap(), 0, mesh->vertex_colors);
2908 mesh->vertex_colors = NULL;
2909
2910 hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
2911 if (FAILED(hr)) return hr;
2912
2913 /* template IndexedColor {
2914 * DWORD index;
2915 * ColorRGBA indexColor;
2916 * }
2917 * template MeshVertexColors {
2918 * DWORD nVertexColors;
2919 * array IndexedColor vertexColors[nVertexColors];
2920 * }
2921 */
2922
2923 if (data_size < sizeof(DWORD))
2924 goto truncated_data_error;
2925 num_colors = *(DWORD*)data;
2926 data += sizeof(DWORD);
2927 if (data_size < sizeof(DWORD) + num_colors * (sizeof(DWORD) + sizeof(D3DCOLORVALUE)))
2928 goto truncated_data_error;
2929
2930 mesh->vertex_colors = HeapAlloc(GetProcessHeap(), 0, mesh->num_vertices * sizeof(DWORD));
2931 if (!mesh->vertex_colors)
2932 return E_OUTOFMEMORY;
2933
2934 for (i = 0; i < mesh->num_vertices; i++)
2935 mesh->vertex_colors[i] = D3DCOLOR_ARGB(0, 0xff, 0xff, 0xff);
2936 for (i = 0; i < num_colors; i++)
2937 {
2938 D3DCOLORVALUE color;
2939 DWORD index = *(DWORD*)data;
2940 data += sizeof(DWORD);
2941 if (index >= mesh->num_vertices) {
2942 WARN("vertex color %u references undefined vertex %u (only %u vertices)\n",
2943 i, index, mesh->num_vertices);
2944 return E_FAIL;
2945 }
2946 memcpy(&color, data, sizeof(color));
2947 data += sizeof(color);
2948 color.r = min(1.0f, max(0.0f, color.r));
2949 color.g = min(1.0f, max(0.0f, color.g));
2950 color.b = min(1.0f, max(0.0f, color.b));
2951 color.a = min(1.0f, max(0.0f, color.a));
2952 mesh->vertex_colors[index] = D3DCOLOR_ARGB((BYTE)(color.a * 255.0f + 0.5f),
2953 (BYTE)(color.r * 255.0f + 0.5f),
2954 (BYTE)(color.g * 255.0f + 0.5f),
2955 (BYTE)(color.b * 255.0f + 0.5f));
2956 }
2957
2958 mesh->fvf |= D3DFVF_DIFFUSE;
2959
2960 return D3D_OK;
2961 truncated_data_error:
2962 WARN("truncated data (%u bytes)\n", data_size);
2963 return E_FAIL;
2964 }
2965
2966 static HRESULT parse_normals(IDirectXFileData *filedata, struct mesh_data *mesh)
2967 {
2968 HRESULT hr;
2969 DWORD data_size;
2970 BYTE *data;
2971 DWORD *index_out_ptr;
2972 int i;
2973 DWORD num_face_indices = mesh->num_poly_faces * 2 + mesh->num_tri_faces;
2974
2975 HeapFree(GetProcessHeap(), 0, mesh->normals);
2976 mesh->num_normals = 0;
2977 mesh->normals = NULL;
2978 mesh->normal_indices = NULL;
2979 mesh->fvf |= D3DFVF_NORMAL;
2980
2981 hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
2982 if (FAILED(hr)) return hr;
2983
2984 /* template Vector {
2985 * FLOAT x;
2986 * FLOAT y;
2987 * FLOAT z;
2988 * }
2989 * template MeshFace {
2990 * DWORD nFaceVertexIndices;
2991 * array DWORD faceVertexIndices[nFaceVertexIndices];
2992 * }
2993 * template MeshNormals {
2994 * DWORD nNormals;
2995 * array Vector normals[nNormals];
2996 * DWORD nFaceNormals;
2997 * array MeshFace faceNormals[nFaceNormals];
2998 * }
2999 */
3000
3001 if (data_size < sizeof(DWORD) * 2)
3002 goto truncated_data_error;
3003 mesh->num_normals = *(DWORD*)data;
3004 data += sizeof(DWORD);
3005 if (data_size < sizeof(DWORD) * 2 + mesh->num_normals * sizeof(D3DXVECTOR3) +
3006 num_face_indices * sizeof(DWORD))
3007 goto truncated_data_error;
3008
3009 mesh->normals = HeapAlloc(GetProcessHeap(), 0, mesh->num_normals * sizeof(D3DXVECTOR3));
3010 mesh->normal_indices = HeapAlloc(GetProcessHeap(), 0, num_face_indices * sizeof(DWORD));
3011 if (!mesh->normals || !mesh->normal_indices)
3012 return E_OUTOFMEMORY;
3013
3014 memcpy(mesh->normals, data, mesh->num_normals * sizeof(D3DXVECTOR3));
3015 data += mesh->num_normals * sizeof(D3DXVECTOR3);
3016 for (i = 0; i < mesh->num_normals; i++)
3017 D3DXVec3Normalize(&mesh->normals[i], &mesh->normals[i]);
3018
3019 if (*(DWORD*)data != mesh->num_poly_faces) {
3020 WARN("number of face normals (%u) doesn't match number of faces (%u)\n",
3021 *(DWORD*)data, mesh->num_poly_faces);
3022 return E_FAIL;
3023 }
3024 data += sizeof(DWORD);
3025 index_out_ptr = mesh->normal_indices;
3026 for (i = 0; i < mesh->num_poly_faces; i++)
3027 {
3028 DWORD j;
3029 DWORD count = *(DWORD*)data;
3030 if (count != mesh->num_tri_per_face[i] + 2) {
3031 WARN("face %u: number of normals (%u) doesn't match number of vertices (%u)\n",
3032 i, count, mesh->num_tri_per_face[i] + 2);
3033 return E_FAIL;
3034 }
3035 data += sizeof(DWORD);
3036
3037 for (j = 0; j < count; j++) {
3038 DWORD normal_index = *(DWORD*)data;
3039 if (normal_index >= mesh->num_normals) {
3040 WARN("face %u, normal index %u: reference to undefined normal %u (only %u normals)\n",
3041 i, j, normal_index, mesh->num_normals);
3042 return E_FAIL;
3043 }
3044 *index_out_ptr++ = normal_index;
3045 data += sizeof(DWORD);
3046 }
3047 }
3048
3049 return D3D_OK;
3050 truncated_data_error:
3051 WARN("truncated data (%u bytes)\n", data_size);
3052 return E_FAIL;
3053 }
3054
3055 /* for provide_flags parameters */
3056 #define PROVIDE_MATERIALS 0x1
3057 #define PROVIDE_SKININFO 0x2
3058 #define PROVIDE_ADJACENCY 0x4
3059
3060 static HRESULT parse_mesh(IDirectXFileData *filedata, struct mesh_data *mesh_data, DWORD provide_flags)
3061 {
3062 HRESULT hr;
3063 DWORD data_size;
3064 BYTE *data, *in_ptr;
3065 DWORD *index_out_ptr;
3066 const GUID *type;
3067 IDirectXFileData *child;
3068 int i;
3069
3070 /*
3071 * template Mesh {
3072 * DWORD nVertices;
3073 * array Vector vertices[nVertices];
3074 * DWORD nFaces;
3075 * array MeshFace faces[nFaces];
3076 * [ ... ]
3077 * }
3078 */
3079
3080 hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
3081 if (FAILED(hr)) return hr;
3082
3083 in_ptr = data;
3084 if (data_size < sizeof(DWORD) * 2)
3085 goto truncated_data_error;
3086 mesh_data->num_vertices = *(DWORD*)in_ptr;
3087 if (data_size < sizeof(DWORD) * 2 + mesh_data->num_vertices * sizeof(D3DXVECTOR3))
3088 goto truncated_data_error;
3089 in_ptr += sizeof(DWORD) + mesh_data->num_vertices * sizeof(D3DXVECTOR3);
3090
3091 mesh_data->num_poly_faces = *(DWORD*)in_ptr;
3092 in_ptr += sizeof(DWORD);
3093
3094 mesh_data->num_tri_faces = 0;
3095 for (i = 0; i < mesh_data->num_poly_faces; i++)
3096 {
3097 DWORD num_poly_vertices;
3098 DWORD j;
3099
3100 if (data_size - (in_ptr - data) < sizeof(DWORD))
3101 goto truncated_data_error;
3102 num_poly_vertices = *(DWORD*)in_ptr;
3103 in_ptr += sizeof(DWORD);
3104 if (data_size - (in_ptr - data) < num_poly_vertices * sizeof(DWORD))
3105 goto truncated_data_error;
3106 if (num_poly_vertices < 3) {
3107 WARN("face %u has only %u vertices\n", i, num_poly_vertices);
3108 return E_FAIL;
3109 }
3110 for (j = 0; j < num_poly_vertices; j++) {
3111 if (*(DWORD*)in_ptr >= mesh_data->num_vertices) {
3112 WARN("face %u, index %u: undefined vertex %u (only %u vertices)\n",
3113 i, j, *(DWORD*)in_ptr, mesh_data->num_vertices);
3114 return E_FAIL;
3115 }
3116 in_ptr += sizeof(DWORD);
3117 }
3118 mesh_data->num_tri_faces += num_poly_vertices - 2;
3119 }
3120
3121 mesh_data->fvf = D3DFVF_XYZ;
3122
3123 mesh_data->vertices = HeapAlloc(GetProcessHeap(), 0,
3124 mesh_data->num_vertices * sizeof(*mesh_data->vertices));
3125 mesh_data->num_tri_per_face = HeapAlloc(GetProcessHeap(), 0,
3126 mesh_data->num_poly_faces * sizeof(*mesh_data->num_tri_per_face));
3127 mesh_data->indices = HeapAlloc(GetProcessHeap(), 0,
3128 (mesh_data->num_tri_faces + mesh_data->num_poly_faces * 2) * sizeof(*mesh_data->indices));
3129 if (!mesh_data->vertices || !mesh_data->num_tri_per_face || !mesh_data->indices)
3130 return E_OUTOFMEMORY;
3131
3132 in_ptr = data + sizeof(DWORD);
3133 memcpy(mesh_data->vertices, in_ptr, mesh_data->num_vertices * sizeof(D3DXVECTOR3));
3134 in_ptr += mesh_data->num_vertices * sizeof(D3DXVECTOR3) + sizeof(DWORD);
3135
3136 index_out_ptr = mesh_data->indices;
3137 for (i = 0; i < mesh_data->num_poly_faces; i++)
3138 {
3139 DWORD count;
3140
3141 count = *(DWORD*)in_ptr;
3142 in_ptr += sizeof(DWORD);
3143 mesh_data->num_tri_per_face[i] = count - 2;
3144
3145 while (count--) {
3146 *index_out_ptr++ = *(DWORD*)in_ptr;
3147 in_ptr += sizeof(DWORD);
3148 }
3149 }
3150
3151 while (SUCCEEDED(hr = get_next_child(filedata, &child, &type)))
3152 {
3153 if (IsEqualGUID(type, &TID_D3DRMMeshNormals)) {
3154 hr = parse_normals(child, mesh_data);
3155 } else if (IsEqualGUID(type, &TID_D3DRMMeshVertexColors)) {
3156 hr = parse_vertex_colors(child, mesh_data);
3157 } else if (IsEqualGUID(type, &TID_D3DRMMeshTextureCoords)) {
3158 hr = parse_texture_coords(child, mesh_data);
3159 } else if (IsEqualGUID(type, &TID_D3DRMMeshMaterialList) &&
3160 (provide_flags & PROVIDE_MATERIALS))
3161 {
3162 hr = parse_material_list(child, mesh_data);
3163 } else if (provide_flags & PROVIDE_SKININFO) {
3164 if (IsEqualGUID(type, &DXFILEOBJ_XSkinMeshHeader)) {
3165 FIXME("Skin mesh loading not implemented.\n");
3166 hr = E_NOTIMPL;
3167 } else if (IsEqualGUID(type, &DXFILEOBJ_SkinWeights)) {
3168 /* ignored without XSkinMeshHeader */
3169 }
3170 }
3171 if (FAILED(hr))
3172 break;
3173 }
3174 return hr == DXFILEERR_NOMOREOBJECTS ? D3D_OK : hr;
3175 truncated_data_error:
3176 WARN("truncated data (%u bytes)\n", data_size);
3177 return E_FAIL;
3178 }
3179
3180 static HRESULT generate_effects(ID3DXBuffer *materials, DWORD num_materials,
3181 ID3DXBuffer **effects)
3182 {
3183 HRESULT hr;
3184 D3DXEFFECTINSTANCE *effect_ptr;
3185 BYTE *out_ptr;
3186 const D3DXMATERIAL *material_ptr = ID3DXBuffer_GetBufferPointer(materials);
3187 static const struct {
3188 const char *param_name;
3189 DWORD name_size;
3190 DWORD num_bytes;
3191 DWORD value_offset;
3192 } material_effects[] = {
3193 #define EFFECT_TABLE_ENTRY(str, field) \
3194 {str, sizeof(str), sizeof(material_ptr->MatD3D.field), offsetof(D3DXMATERIAL, MatD3D.field)}
3195 EFFECT_TABLE_ENTRY("Diffuse", Diffuse),
3196 EFFECT_TABLE_ENTRY("Power", Power),
3197 EFFECT_TABLE_ENTRY("Specular", Specular),
3198 EFFECT_TABLE_ENTRY("Emissive", Emissive),
3199 EFFECT_TABLE_ENTRY("Ambient", Ambient),
3200 #undef EFFECT_TABLE_ENTRY
3201 };
3202 static const char texture_paramname[] = "Texture0@Name";
3203 DWORD buffer_size;
3204 int i;
3205
3206 /* effects buffer layout:
3207 *
3208 * D3DXEFFECTINSTANCE effects[num_materials];
3209 * for (effect in effects)
3210 * {
3211 * D3DXEFFECTDEFAULT defaults[effect.NumDefaults];
3212 * for (default in defaults)
3213 * {
3214 * *default.pParamName;
3215 * *default.pValue;
3216 * }
3217 * }
3218 */
3219 buffer_size = sizeof(D3DXEFFECTINSTANCE);
3220 buffer_size += sizeof(D3DXEFFECTDEFAULT) * ARRAY_SIZE(material_effects);
3221 for (i = 0; i < ARRAY_SIZE(material_effects); i++) {
3222 buffer_size += material_effects[i].name_size;
3223 buffer_size += material_effects[i].num_bytes;
3224 }
3225 buffer_size *= num_materials;
3226 for (i = 0; i < num_materials; i++) {
3227 if (material_ptr[i].pTextureFilename) {
3228 buffer_size += sizeof(D3DXEFFECTDEFAULT);
3229 buffer_size += sizeof(texture_paramname);
3230 buffer_size += strlen(material_ptr[i].pTextureFilename) + 1;
3231 }
3232 }
3233
3234 hr = D3DXCreateBuffer(buffer_size, effects);
3235 if (FAILED(hr)) return hr;
3236 effect_ptr = ID3DXBuffer_GetBufferPointer(*effects);
3237 out_ptr = (BYTE*)(effect_ptr + num_materials);
3238
3239 for (i = 0; i < num_materials; i++)
3240 {
3241 int j;
3242 D3DXEFFECTDEFAULT *defaults = (D3DXEFFECTDEFAULT*)out_ptr;
3243
3244 effect_ptr->pDefaults = defaults;
3245 effect_ptr->NumDefaults = material_ptr->pTextureFilename ? 6 : 5;
3246 out_ptr = (BYTE*)(effect_ptr->pDefaults + effect_ptr->NumDefaults);
3247
3248 for (j = 0; j < ARRAY_SIZE(material_effects); j++)
3249 {
3250 defaults->pParamName = (LPSTR)out_ptr;
3251 strcpy(defaults->pParamName, material_effects[j].param_name);
3252 defaults->pValue = defaults->pParamName + material_effects[j].name_size;
3253 defaults->Type = D3DXEDT_FLOATS;
3254 defaults->NumBytes = material_effects[j].num_bytes;
3255 memcpy(defaults->pValue, (BYTE*)material_ptr + material_effects[j].value_offset, defaults->NumBytes);
3256 out_ptr = (BYTE*)defaults->pValue + defaults->NumBytes;
3257 defaults++;
3258 }
3259
3260 if (material_ptr->pTextureFilename) {
3261 defaults->pParamName = (LPSTR)out_ptr;
3262 strcpy(defaults->pParamName, texture_paramname);
3263 defaults->pValue = defaults->pParamName + sizeof(texture_paramname);
3264 defaults->Type = D3DXEDT_STRING;
3265 defaults->NumBytes = strlen(material_ptr->pTextureFilename) + 1;
3266 strcpy(defaults->pValue, material_ptr->pTextureFilename);
3267 out_ptr = (BYTE*)defaults->pValue + defaults->NumBytes;
3268 }
3269 material_ptr++;
3270 effect_ptr++;
3271 }
3272 assert(out_ptr - (BYTE*)ID3DXBuffer_GetBufferPointer(*effects) == buffer_size);
3273
3274 return D3D_OK;
3275 }
3276
3277 /* change to D3DXLoadSkinMeshFromXof when ID3DXFileData is implemented */
3278 static HRESULT load_skin_mesh_from_xof(struct IDirectXFileData *filedata, DWORD options,
3279 struct IDirect3DDevice9 *device, struct ID3DXBuffer **adjacency_out, struct ID3DXBuffer **materials_out,
3280 struct ID3DXBuffer **effects_out, DWORD *num_materials_out, struct ID3DXSkinInfo **skin_info_out,
3281 struct ID3DXMesh **mesh_out)
3282 {
3283 HRESULT hr;
3284 DWORD *index_in_ptr;
3285 struct mesh_data mesh_data;
3286 DWORD total_vertices;
3287 ID3DXMesh *d3dxmesh = NULL;
3288 ID3DXBuffer *adjacency = NULL;
3289 ID3DXBuffer *materials = NULL;
3290 ID3DXBuffer *effects = NULL;
3291 struct vertex_duplication {
3292 DWORD normal_index;
3293 struct list entry;
3294 } *duplications = NULL;
3295 int i;
3296 void *vertices = NULL;
3297 void *indices = NULL;
3298 BYTE *out_ptr;
3299 DWORD provide_flags = 0;
3300
3301 ZeroMemory(&mesh_data, sizeof(mesh_data));
3302
3303 if (num_materials_out || materials_out || effects_out)
3304 provide_flags |= PROVIDE_MATERIALS;
3305 if (skin_info_out)
3306 provide_flags |= PROVIDE_SKININFO;
3307
3308 hr = parse_mesh(filedata, &mesh_data, provide_flags);
3309 if (FAILED(hr)) goto cleanup;
3310
3311 total_vertices = mesh_data.num_vertices;
3312 if (mesh_data.fvf & D3DFVF_NORMAL) {
3313 /* duplicate vertices with multiple normals */
3314 DWORD num_face_indices = mesh_data.num_poly_faces * 2 + mesh_data.num_tri_faces;
3315 duplications = HeapAlloc(GetProcessHeap(), 0, (mesh_data.num_vertices + num_face_indices) * sizeof(*duplications));
3316 if (!duplications) {
3317 hr = E_OUTOFMEMORY;
3318 goto cleanup;
3319 }
3320 for (i = 0; i < total_vertices; i++)
3321 {
3322 duplications[i].normal_index = -1;
3323 list_init(&duplications[i].entry);
3324 }
3325 for (i = 0; i < num_face_indices; i++) {
3326 DWORD vertex_index = mesh_data.indices[i];
3327 DWORD normal_index = mesh_data.normal_indices[i];
3328 struct vertex_duplication *dup_ptr = &duplications[vertex_index];
3329
3330 if (dup_ptr->normal_index == -1) {
3331 dup_ptr->normal_index = normal_index;
3332 } else {
3333 D3DXVECTOR3 *new_normal = &mesh_data.normals[normal_index];
3334 struct list *dup_list = &dup_ptr->entry;
3335 while (TRUE) {
3336 D3DXVECTOR3 *cur_normal = &mesh_data.normals[dup_ptr->normal_index];
3337 if (new_normal->x == cur_normal->x &&
3338 new_normal->y == cur_normal->y &&
3339 new_normal->z == cur_normal->z)
3340 {
3341 mesh_data.indices[i] = dup_ptr - duplications;
3342 break;
3343 } else if (!list_next(dup_list, &dup_ptr->entry)) {
3344 dup_ptr = &duplications[total_vertices++];
3345 dup_ptr->normal_index = normal_index;
3346 list_add_tail(dup_list, &dup_ptr->entry);
3347 mesh_data.indices[i] = dup_ptr - duplications;
3348 break;
3349 } else {
3350 dup_ptr = LIST_ENTRY(list_next(dup_list, &dup_ptr->entry),
3351 struct vertex_duplication, entry);
3352 }
3353 }
3354 }
3355 }
3356 }
3357
3358 hr = D3DXCreateMeshFVF(mesh_data.num_tri_faces, total_vertices, options, mesh_data.fvf, device, &d3dxmesh);
3359 if (FAILED(hr)) goto cleanup;
3360
3361 hr = d3dxmesh->lpVtbl->LockVertexBuffer(d3dxmesh, 0, &vertices);
3362 if (FAILED(hr)) goto cleanup;
3363
3364 out_ptr = vertices;
3365 for (i = 0; i < mesh_data.num_vertices; i++) {
3366 *(D3DXVECTOR3*)out_ptr = mesh_data.vertices[i];
3367 out_ptr += sizeof(D3DXVECTOR3);
3368 if (mesh_data.fvf & D3DFVF_NORMAL) {
3369 if (duplications[i].normal_index == -1)
3370 ZeroMemory(out_ptr, sizeof(D3DXVECTOR3));
3371 else
3372 *(D3DXVECTOR3*)out_ptr = mesh_data.normals[duplications[i].normal_index];
3373 out_ptr += sizeof(D3DXVECTOR3);
3374 }
3375 if (mesh_data.fvf & D3DFVF_DIFFUSE) {
3376 *(DWORD*)out_ptr = mesh_data.vertex_colors[i];
3377 out_ptr += sizeof(DWORD);
3378 }
3379 if (mesh_data.fvf & D3DFVF_TEX1) {
3380 *(D3DXVECTOR2*)out_ptr = mesh_data.tex_coords[i];
3381 out_ptr += sizeof(D3DXVECTOR2);
3382 }
3383 }
3384 if (mesh_data.fvf & D3DFVF_NORMAL) {
3385 DWORD vertex_size = D3DXGetFVFVertexSize(mesh_data.fvf);
3386 out_ptr = vertices;
3387 for (i = 0; i < mesh_data.num_vertices; i++) {
3388 struct vertex_duplication *dup_ptr;
3389 LIST_FOR_EACH_ENTRY(dup_ptr, &duplications[i].entry, struct vertex_duplication, entry)
3390 {
3391 int j = dup_ptr - duplications;
3392 BYTE *dest_vertex = (BYTE*)vertices + j * vertex_size;
3393
3394 memcpy(dest_vertex, out_ptr, vertex_size);
3395 dest_vertex += sizeof(D3DXVECTOR3);
3396 *(D3DXVECTOR3*)dest_vertex = mesh_data.normals[dup_ptr->normal_index];
3397 }
3398 out_ptr += vertex_size;
3399 }
3400 }
3401 d3dxmesh->lpVtbl->UnlockVertexBuffer(d3dxmesh);
3402
3403 hr = d3dxmesh->lpVtbl->LockIndexBuffer(d3dxmesh, 0, &indices);
3404 if (FAILED(hr)) goto cleanup;
3405
3406 index_in_ptr = mesh_data.indices;
3407 #define FILL_INDEX_BUFFER(indices_var) \
3408 for (i = 0; i < mesh_data.num_poly_faces; i++) \
3409 { \
3410 DWORD count = mesh_data.num_tri_per_face[i]; \
3411 WORD first_index = *index_in_ptr++; \
3412 while (count--) { \
3413 *indices_var++ = first_index; \
3414 *indices_var++ = *index_in_ptr; \
3415 index_in_ptr++; \
3416 *indices_var++ = *index_in_ptr; \
3417 } \
3418 index_in_ptr++; \
3419 }
3420 if (options & D3DXMESH_32BIT) {
3421 DWORD *dword_indices = indices;
3422 FILL_INDEX_BUFFER(dword_indices)
3423 } else {
3424 WORD *word_indices = indices;
3425 FILL_INDEX_BUFFER(word_indices)
3426 }
3427 #undef FILL_INDEX_BUFFER
3428 d3dxmesh->lpVtbl->UnlockIndexBuffer(d3dxmesh);
3429
3430 if (mesh_data.material_indices) {
3431 DWORD *attrib_buffer = NULL;
3432 hr = d3dxmesh->lpVtbl->LockAttributeBuffer(d3dxmesh, 0, &attrib_buffer);
3433 if (FAILED(hr)) goto cleanup;
3434 for (i = 0; i < mesh_data.num_poly_faces; i++)
3435 {
3436 DWORD count = mesh_data.num_tri_per_face[i];
3437 while (count--)
3438 *attrib_buffer++ = mesh_data.material_indices[i];
3439 }
3440 d3dxmesh->lpVtbl->UnlockAttributeBuffer(d3dxmesh);
3441
3442 hr = d3dxmesh->lpVtbl->OptimizeInplace(d3dxmesh,
3443 D3DXMESHOPT_ATTRSORT | D3DXMESHOPT_IGNOREVERTS | D3DXMESHOPT_DONOTSPLIT,
3444 NULL, NULL, NULL, NULL);
3445 if (FAILED(hr)) goto cleanup;
3446 }
3447
3448 if (mesh_data.num_materials && (materials_out || effects_out)) {
3449 DWORD buffer_size = mesh_data.num_materials * sizeof(D3DXMATERIAL);
3450 char *strings_out_ptr;
3451 D3DXMATERIAL *materials_ptr;
3452
3453 for (i = 0; i < mesh_data.num_materials; i++) {
3454 if (mesh_data.materials[i].pTextureFilename)
3455 buffer_size += strlen(mesh_data.materials[i].pTextureFilename) + 1;
3456 }
3457
3458 hr = D3DXCreateBuffer(buffer_size, &materials);
3459 if (FAILED(hr)) goto cleanup;
3460
3461 materials_ptr = ID3DXBuffer_GetBufferPointer(materials);
3462 memcpy(materials_ptr, mesh_data.materials, mesh_data.num_materials * sizeof(D3DXMATERIAL));
3463 strings_out_ptr = (char*)(materials_ptr + mesh_data.num_materials);
3464 for (i = 0; i < mesh_data.num_materials; i++) {
3465 if (materials_ptr[i].pTextureFilename) {
3466 strcpy(strings_out_ptr, mesh_data.materials[i].pTextureFilename);
3467 materials_ptr[i].pTextureFilename = strings_out_ptr;
3468 strings_out_ptr += strlen(mesh_data.materials[i].pTextureFilename) + 1;
3469 }
3470 }
3471 }
3472
3473 if (mesh_data.num_materials && effects_out) {
3474 hr = generate_effects(materials, mesh_data.num_materials, &effects);
3475 if (FAILED(hr)) goto cleanup;
3476
3477 if (!materials_out) {
3478 ID3DXBuffer_Release(materials);
3479 materials = NULL;
3480 }
3481 }
3482
3483 if (adjacency_out) {
3484 hr = D3DXCreateBuffer(mesh_data.num_tri_faces * 3 * sizeof(DWORD), &adjacency);
3485 if (FAILED(hr)) goto cleanup;
3486 hr = d3dxmesh->lpVtbl->GenerateAdjacency(d3dxmesh, 0.0f, ID3DXBuffer_GetBufferPointer(adjacency));
3487 if (FAILED(hr)) goto cleanup;
3488 }
3489
3490 *mesh_out = d3dxmesh;
3491 if (adjacency_out) *adjacency_out = adjacency;
3492 if (num_materials_out) *num_materials_out = mesh_data.num_materials;
3493 if (materials_out) *materials_out = materials;
3494 if (effects_out) *effects_out = effects;
3495 if (skin_info_out) *skin_info_out = NULL;
3496
3497 hr = D3D_OK;
3498 cleanup:
3499 if (FAILED(hr)) {
3500 if (d3dxmesh) IUnknown_Release(d3dxmesh);
3501 if (adjacency) ID3DXBuffer_Release(adjacency);
3502 if (materials) ID3DXBuffer_Release(materials);
3503 if (effects) ID3DXBuffer_Release(effects);
3504 }
3505 HeapFree(GetProcessHeap(), 0, mesh_data.vertices);
3506 HeapFree(GetProcessHeap(), 0, mesh_data.num_tri_per_face);
3507 HeapFree(GetProcessHeap(), 0, mesh_data.indices);
3508 HeapFree(GetProcessHeap(), 0, mesh_data.normals);
3509 HeapFree(GetProcessHeap(), 0, mesh_data.normal_indices);
3510 destroy_materials(&mesh_data);
3511 HeapFree(GetProcessHeap(), 0, mesh_data.tex_coords);
3512 HeapFree(GetProcessHeap(), 0, mesh_data.vertex_colors);
3513 HeapFree(GetProcessHeap(), 0, duplications);
3514 return hr;
3515 }
3516
3517 HRESULT WINAPI D3DXLoadMeshHierarchyFromXA(const char *filename, DWORD options, struct IDirect3DDevice9 *device,
3518 struct ID3DXAllocateHierarchy *alloc_hier, struct ID3DXLoadUserData *load_user_data,
3519 D3DXFRAME **frame_hierarchy, struct ID3DXAnimationController **anim_controller)
3520 {
3521 HRESULT hr;
3522 int len;
3523 LPWSTR filenameW;
3524
3525 TRACE("(%s, %x, %p, %p, %p, %p, %p)\n", debugstr_a(filename), options,
3526 device, alloc_hier, load_user_data, frame_hierarchy, anim_controller);
3527
3528 if (!filename)
3529 return D3DERR_INVALIDCALL;
3530
3531 len = MultiByteToWideChar(CP_ACP, 0, filename, -1, NULL, 0);
3532 filenameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
3533 if (!filenameW) return E_OUTOFMEMORY;
3534 MultiByteToWideChar(CP_ACP, 0, filename, -1, filenameW, len);
3535
3536 hr = D3DXLoadMeshHierarchyFromXW(filenameW, options, device,
3537 alloc_hier, load_user_data, frame_hierarchy, anim_controller);
3538 HeapFree(GetProcessHeap(), 0, filenameW);
3539
3540 return hr;
3541 }
3542
3543 HRESULT WINAPI D3DXLoadMeshHierarchyFromXW(const WCHAR *filename, DWORD options, struct IDirect3DDevice9 *device,
3544 struct ID3DXAllocateHierarchy *alloc_hier, struct ID3DXLoadUserData *load_user_data,
3545 D3DXFRAME **frame_hierarchy, struct ID3DXAnimationController **anim_controller)
3546 {
3547 HRESULT hr;
3548 DWORD size;
3549 LPVOID buffer;
3550
3551 TRACE("(%s, %x, %p, %p, %p, %p, %p)\n", debugstr_w(filename), options,
3552 device, alloc_hier, load_user_data, frame_hierarchy, anim_controller);
3553
3554 if (!filename)
3555 return D3DERR_INVALIDCALL;
3556
3557 hr = map_view_of_file(filename, &buffer, &size);
3558 if (FAILED(hr))
3559 return D3DXERR_INVALIDDATA;
3560
3561 hr = D3DXLoadMeshHierarchyFromXInMemory(buffer, size, options, device,
3562 alloc_hier, load_user_data, frame_hierarchy, anim_controller);
3563
3564 UnmapViewOfFile(buffer);
3565
3566 return hr;
3567 }
3568
3569 static HRESULT filedata_get_name(IDirectXFileData *filedata, char **name)
3570 {
3571 HRESULT hr;
3572 DWORD name_len;
3573
3574 hr = IDirectXFileData_GetName(filedata, NULL, &name_len);
3575 if (FAILED(hr)) return hr;
3576
3577 if (!name_len)
3578 name_len++;
3579 *name = HeapAlloc(GetProcessHeap(), 0, name_len);
3580 if (!*name) return E_OUTOFMEMORY;
3581
3582 hr = IDirectXFileObject_GetName(filedata, *name, &name_len);
3583 if (FAILED(hr))
3584 HeapFree(GetProcessHeap(), 0, *name);
3585 else if (!name_len)
3586 (*name)[0] = 0;
3587
3588 return hr;
3589 }
3590
3591 static HRESULT load_mesh_container(struct IDirectXFileData *filedata, DWORD options, struct IDirect3DDevice9 *device,
3592 struct ID3DXAllocateHierarchy *alloc_hier, D3DXMESHCONTAINER **mesh_container)
3593 {
3594 HRESULT hr;
3595 ID3DXBuffer *adjacency = NULL;
3596 ID3DXBuffer *materials = NULL;
3597 ID3DXBuffer *effects = NULL;
3598 ID3DXSkinInfo *skin_info = NULL;
3599 D3DXMESHDATA mesh_data;
3600 DWORD num_materials = 0;
3601 char *name = NULL;
3602
3603 mesh_data.Type = D3DXMESHTYPE_MESH;
3604 mesh_data.u.pMesh = NULL;
3605
3606 hr = load_skin_mesh_from_xof(filedata, options, device,
3607 &adjacency, &materials, &effects, &num_materials,
3608 &skin_info, &mesh_data.u.pMesh);
3609 if (FAILED(hr)) return hr;
3610
3611 hr = filedata_get_name(filedata, &name);
3612 if (FAILED(hr)) goto cleanup;
3613
3614 hr = alloc_hier->lpVtbl->CreateMeshContainer(alloc_hier, name, &mesh_data,
3615 materials ? ID3DXBuffer_GetBufferPointer(materials) : NULL,
3616 effects ? ID3DXBuffer_GetBufferPointer(effects) : NULL,
3617 num_materials,
3618 adjacency ? ID3DXBuffer_GetBufferPointer(adjacency) : NULL,
3619 skin_info, mesh_container);
3620
3621 cleanup:
3622 if (materials) ID3DXBuffer_Release(materials);
3623 if (effects) ID3DXBuffer_Release(effects);
3624 if (adjacency) ID3DXBuffer_Release(adjacency);
3625 if (skin_info) IUnknown_Release(skin_info);
3626 if (mesh_data.u.pMesh) IUnknown_Release(mesh_data.u.pMesh);
3627 HeapFree(GetProcessHeap(), 0, name);
3628 return hr;
3629 }
3630
3631 static HRESULT parse_transform_matrix(IDirectXFileData *filedata, D3DXMATRIX *transform)
3632 {
3633 HRESULT hr;
3634 DWORD data_size;
3635 BYTE *data;
3636
3637 /* template Matrix4x4 {
3638 * array FLOAT matrix[16];
3639 * }
3640 * template FrameTransformMatrix {
3641 * Matrix4x4 frameMatrix;
3642 * }
3643 */
3644
3645 hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
3646 if (FAILED(hr)) return hr;
3647
3648 if (data_size != sizeof(D3DXMATRIX)) {
3649 WARN("incorrect data size (%u bytes)\n", data_size);
3650 return E_FAIL;
3651 }
3652
3653 memcpy(transform, data, sizeof(D3DXMATRIX));
3654
3655 return D3D_OK;
3656 }
3657
3658 static HRESULT load_frame(struct IDirectXFileData *filedata, DWORD options, struct IDirect3DDevice9 *device,
3659 struct ID3DXAllocateHierarchy *alloc_hier, D3DXFRAME **frame_out)
3660 {
3661 HRESULT hr;
3662 const GUID *type;
3663 IDirectXFileData *child;
3664 char *name = NULL;
3665 D3DXFRAME *frame = NULL;
3666 D3DXMESHCONTAINER **next_container;
3667 D3DXFRAME **next_child;
3668
3669 hr = filedata_get_name(filedata, &name);
3670 if (FAILED(hr)) return hr;
3671
3672 hr = alloc_hier->lpVtbl->CreateFrame(alloc_hier, name, frame_out);
3673 HeapFree(GetProcessHeap(), 0, name);
3674 if (FAILED(hr)) return E_FAIL;
3675
3676 frame = *frame_out;
3677 D3DXMatrixIdentity(&frame->TransformationMatrix);
3678 next_child = &frame->pFrameFirstChild;
3679 next_container = &frame->pMeshContainer;
3680
3681 while (SUCCEEDED(hr = get_next_child(filedata, &child, &type)))
3682 {
3683 if (IsEqualGUID(type, &TID_D3DRMMesh)) {
3684 hr = load_mesh_container(child, options, device, alloc_hier, next_container);
3685 if (SUCCEEDED(hr))
3686 next_container = &(*next_container)->pNextMeshContainer;
3687 } else if (IsEqualGUID(type, &TID_D3DRMFrameTransformMatrix)) {
3688 hr = parse_transform_matrix(child, &frame->TransformationMatrix);
3689 } else if (IsEqualGUID(type, &TID_D3DRMFrame)) {
3690 hr = load_frame(child, options, device, alloc_hier, next_child);
3691 if (SUCCEEDED(hr))
3692 next_child = &(*next_child)->pFrameSibling;
3693 }
3694 if (FAILED(hr)) break;
3695 }
3696 if (hr == DXFILEERR_NOMOREOBJECTS)
3697 hr = D3D_OK;
3698
3699 return hr;
3700 }
3701
3702 HRESULT WINAPI D3DXLoadMeshHierarchyFromXInMemory(const void *memory, DWORD memory_size, DWORD options,
3703 struct IDirect3DDevice9 *device, struct ID3DXAllocateHierarchy *alloc_hier,
3704 struct ID3DXLoadUserData *load_user_data, D3DXFRAME **frame_hierarchy,
3705 struct ID3DXAnimationController **anim_controller)
3706 {
3707 HRESULT hr;
3708 IDirectXFile *dxfile = NULL;
3709 IDirectXFileEnumObject *enumobj = NULL;
3710 IDirectXFileData *filedata = NULL;
3711 DXFILELOADMEMORY source;
3712 D3DXFRAME *first_frame = NULL;
3713 D3DXFRAME **next_frame = &first_frame;
3714
3715 TRACE("(%p, %u, %x, %p, %p, %p, %p, %p)\n", memory, memory_size, options,
3716 device, alloc_hier, load_user_data, frame_hierarchy, anim_controller);
3717
3718 if (!memory || !memory_size || !device || !frame_hierarchy || !alloc_hier)
3719 return D3DERR_INVALIDCALL;
3720 if (load_user_data || anim_controller) {
3721 if (load_user_data)
3722 FIXME("Loading user data not implemented\n");
3723 if (anim_controller)
3724 FIXME("Animation controller creation not implemented\n");
3725 return E_NOTIMPL;
3726 }
3727
3728 hr = DirectXFileCreate(&dxfile);
3729 if (FAILED(hr)) goto cleanup;
3730
3731 hr = IDirectXFile_RegisterTemplates(dxfile, D3DRM_XTEMPLATES, D3DRM_XTEMPLATE_BYTES);
3732 if (FAILED(hr)) goto cleanup;
3733
3734 source.lpMemory = (void*)memory;
3735 source.dSize = memory_size;
3736 hr = IDirectXFile_CreateEnumObject(dxfile, &source, DXFILELOAD_FROMMEMORY, &enumobj);
3737 if (FAILED(hr)) goto cleanup;
3738
3739 while (SUCCEEDED(hr = IDirectXFileEnumObject_GetNextDataObject(enumobj, &filedata)))
3740 {
3741 const GUID *guid = NULL;
3742
3743 hr = IDirectXFileData_GetType(filedata, &guid);
3744 if (SUCCEEDED(hr)) {
3745 if (IsEqualGUID(guid, &TID_D3DRMMesh)) {
3746 hr = alloc_hier->lpVtbl->CreateFrame(alloc_hier, NULL, next_frame);
3747 if (FAILED(hr)) {
3748 hr = E_FAIL;
3749 goto cleanup;
3750 }
3751
3752 D3DXMatrixIdentity(&(*next_frame)->TransformationMatrix);
3753
3754 hr = load_mesh_container(filedata, options, device, alloc_hier, &(*next_frame)->pMeshContainer);
3755 if (FAILED(hr)) goto cleanup;
3756 } else if (IsEqualGUID(guid, &TID_D3DRMFrame)) {
3757 hr = load_frame(filedata, options, device, alloc_hier, next_frame);
3758 if (FAILED(hr)) goto cleanup;
3759 }
3760 while (*next_frame)
3761 next_frame = &(*next_frame)->pFrameSibling;
3762 }
3763
3764 IDirectXFileData_Release(filedata);
3765 filedata = NULL;
3766 if (FAILED(hr))
3767 goto cleanup;
3768 }
3769 if (hr != DXFILEERR_NOMOREOBJECTS)
3770 goto cleanup;
3771
3772 if (!first_frame) {
3773 hr = E_FAIL;
3774 } else if (first_frame->pFrameSibling) {
3775 D3DXFRAME *root_frame = NULL;
3776 hr = alloc_hier->lpVtbl->CreateFrame(alloc_hier, NULL, &root_frame);
3777 if (FAILED(hr)) {
3778 hr = E_FAIL;
3779 goto cleanup;
3780 }
3781 D3DXMatrixIdentity(&root_frame->TransformationMatrix);
3782 root_frame->pFrameFirstChild = first_frame;
3783 *frame_hierarchy = root_frame;
3784 hr = D3D_OK;
3785 } else {
3786 *frame_hierarchy = first_frame;
3787 hr = D3D_OK;
3788 }
3789
3790 cleanup:
3791 if (FAILED(hr) && first_frame) D3DXFrameDestroy(first_frame, alloc_hier);
3792 if (filedata) IDirectXFileData_Release(filedata);
3793 if (enumobj) IDirectXFileEnumObject_Release(enumobj);
3794 if (dxfile) IDirectXFile_Release(dxfile);
3795 return hr;
3796 }
3797
3798 HRESULT WINAPI D3DXCleanMesh(D3DXCLEANTYPE clean_type, LPD3DXMESH mesh_in, const DWORD *adjacency_in,
3799 LPD3DXMESH *mesh_out, DWORD *adjacency_out, LPD3DXBUFFER *errors_and_warnings)
3800 {
3801 FIXME("(%u, %p, %p, %p, %p, %p)\n", clean_type, mesh_in, adjacency_in, mesh_out, adjacency_out, errors_and_warnings);
3802
3803 return E_NOTIMPL;
3804 }
3805
3806 HRESULT WINAPI D3DXFrameDestroy(LPD3DXFRAME frame, LPD3DXALLOCATEHIERARCHY alloc_hier)
3807 {
3808 HRESULT hr;
3809 BOOL last = FALSE;
3810
3811 TRACE("(%p, %p)\n", frame, alloc_hier);
3812
3813 if (!frame || !alloc_hier)
3814 return D3DERR_INVALIDCALL;
3815
3816 while (!last) {
3817 D3DXMESHCONTAINER *container;
3818 D3DXFRAME *current_frame;
3819
3820 if (frame->pFrameSibling) {
3821 current_frame = frame->pFrameSibling;
3822 frame->pFrameSibling = current_frame->pFrameSibling;
3823 current_frame->pFrameSibling = NULL;
3824 } else {
3825 current_frame = frame;
3826 last = TRUE;
3827 }
3828
3829 if (current_frame->pFrameFirstChild) {
3830 hr = D3DXFrameDestroy(current_frame->pFrameFirstChild, alloc_hier);
3831 if (FAILED(hr)) return hr;
3832 current_frame->pFrameFirstChild = NULL;
3833 }
3834
3835 container = current_frame->pMeshContainer;
3836 while (container) {
3837 D3DXMESHCONTAINER *next_container = container->pNextMeshContainer;
3838 hr = alloc_hier->lpVtbl->DestroyMeshContainer(alloc_hier, container);
3839 if (FAILED(hr)) return hr;
3840 container = next_container;
3841 }
3842 hr = alloc_hier->lpVtbl->DestroyFrame(alloc_hier, current_frame);
3843 if (FAILED(hr)) return hr;
3844 }
3845 return D3D_OK;
3846 }
3847
3848 HRESULT WINAPI D3DXLoadMeshFromXA(const char *filename, DWORD options, struct IDirect3DDevice9 *device,
3849 struct ID3DXBuffer **adjacency, struct ID3DXBuffer **materials, struct ID3DXBuffer **effect_instances,
3850 DWORD *num_materials, struct ID3DXMesh **mesh)
3851 {
3852 HRESULT hr;
3853 int len;
3854 LPWSTR filenameW;
3855
3856 TRACE("(%s, %x, %p, %p, %p, %p, %p, %p)\n", debugstr_a(filename), options,
3857 device, adjacency, materials, effect_instances, num_materials, mesh);
3858
3859 if (!filename)
3860 return D3DERR_INVALIDCALL;
3861
3862 len = MultiByteToWideChar(CP_ACP, 0, filename, -1, NULL, 0);
3863 filenameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
3864 if (!filenameW) return E_OUTOFMEMORY;
3865 MultiByteToWideChar(CP_ACP, 0, filename, -1, filenameW, len);
3866
3867 hr = D3DXLoadMeshFromXW(filenameW, options, device, adjacency, materials,
3868 effect_instances, num_materials, mesh);
3869 HeapFree(GetProcessHeap(), 0, filenameW);
3870
3871 return hr;
3872 }
3873
3874 HRESULT WINAPI D3DXLoadMeshFromXW(const WCHAR *filename, DWORD options, struct IDirect3DDevice9 *device,
3875 struct ID3DXBuffer **adjacency, struct ID3DXBuffer **materials, struct ID3DXBuffer **effect_instances,
3876 DWORD *num_materials, struct ID3DXMesh **mesh)
3877 {
3878 HRESULT hr;
3879 DWORD size;
3880 LPVOID buffer;
3881
3882 TRACE("(%s, %x, %p, %p, %p, %p, %p, %p)\n", debugstr_w(filename), options,
3883 device, adjacency, materials, effect_instances, num_materials, mesh);
3884
3885 if (!filename)
3886 return D3DERR_INVALIDCALL;
3887
3888 hr = map_view_of_file(filename, &buffer, &size);
3889 if (FAILED(hr))
3890 return D3DXERR_INVALIDDATA;
3891
3892 hr = D3DXLoadMeshFromXInMemory(buffer, size, options, device, adjacency,
3893 materials, effect_instances, num_materials, mesh);
3894
3895 UnmapViewOfFile(buffer);
3896
3897 return hr;
3898 }
3899
3900 HRESULT WINAPI D3DXLoadMeshFromXResource(HMODULE module, const char *name, const char *type, DWORD options,
3901 struct IDirect3DDevice9 *device, struct ID3DXBuffer **adjacency, struct ID3DXBuffer **materials,
3902 struct ID3DXBuffer **effect_instances, DWORD *num_materials, struct ID3DXMesh **mesh)
3903 {
3904 HRESULT hr;
3905 HRSRC resinfo;
3906 DWORD size;
3907 LPVOID buffer;
3908
3909 TRACE("(%p, %s, %s, %x, %p, %p, %p, %p, %p, %p)\n",
3910 module, debugstr_a(name), debugstr_a(type), options, device,
3911 adjacency, materials, effect_instances, num_materials, mesh);
3912
3913 resinfo = FindResourceA(module, name, type);
3914 if (!resinfo) return D3DXERR_INVALIDDATA;
3915
3916 hr = load_resource_into_memory(module, resinfo, &buffer, &size);
3917 if (FAILED(hr)) return D3DXERR_INVALIDDATA;
3918
3919 return D3DXLoadMeshFromXInMemory(buffer, size, options, device, adjacency,
3920 materials, effect_instances, num_materials, mesh);
3921 }
3922
3923 struct mesh_container
3924 {
3925 struct list entry;
3926 ID3DXMesh *mesh;
3927 ID3DXBuffer *adjacency;
3928 ID3DXBuffer *materials;
3929 ID3DXBuffer *effects;
3930 DWORD num_materials;
3931 D3DXMATRIX transform;
3932 };
3933
3934 static HRESULT parse_frame(struct IDirectXFileData *filedata, DWORD options, struct IDirect3DDevice9 *device,
3935 const D3DXMATRIX *parent_transform, struct list *container_list, DWORD provide_flags)
3936 {
3937 HRESULT hr;
3938 D3DXMATRIX transform = *parent_transform;
3939 IDirectXFileData *child;
3940 const GUID *type;
3941
3942 while (SUCCEEDED(hr = get_next_child(filedata, &child, &type)))
3943 {
3944 if (IsEqualGUID(type, &TID_D3DRMMesh)) {
3945 struct mesh_container *container = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*container));
3946 if (!container) {
3947 hr = E_OUTOFMEMORY;
3948 break;
3949 }
3950 list_add_tail(container_list, &container->entry);
3951 container->transform = transform;
3952
3953 hr = load_skin_mesh_from_xof(child, options, device,
3954 (provide_flags & PROVIDE_ADJACENCY) ? &container->adjacency : NULL,
3955 (provide_flags & PROVIDE_MATERIALS) ? &container->materials : NULL,
3956 NULL, &container->num_materials, NULL, &container->mesh);
3957 } else if (IsEqualGUID(type, &TID_D3DRMFrameTransformMatrix)) {
3958 D3DXMATRIX new_transform;
3959 hr = parse_transform_matrix(child, &new_transform);
3960 D3DXMatrixMultiply(&transform, &transform, &new_transform);
3961 } else if (IsEqualGUID(type, &TID_D3DRMFrame)) {
3962 hr = parse_frame(child, options, device, &transform, container_list, provide_flags);
3963 }
3964 if (FAILED(hr)) break;
3965 }
3966 return hr == DXFILEERR_NOMOREOBJECTS ? D3D_OK : hr;
3967 }
3968
3969 HRESULT WINAPI D3DXLoadMeshFromXInMemory(const void *memory, DWORD memory_size, DWORD options,
3970 struct IDirect3DDevice9 *device, struct ID3DXBuffer **adjacency_out, struct ID3DXBuffer **materials_out,
3971 struct ID3DXBuffer **effects_out, DWORD *num_materials_out, struct ID3DXMesh **mesh_out)
3972 {
3973 HRESULT hr;
3974 IDirectXFile *dxfile = NULL;
3975 IDirectXFileEnumObject *enumobj = NULL;
3976 IDirectXFileData *filedata = NULL;
3977 DXFILELOADMEMORY source;
3978 ID3DXBuffer *materials = NULL;
3979 ID3DXBuffer *effects = NULL;
3980 ID3DXBuffer *adjacency = NULL;
3981 struct list container_list = LIST_INIT(container_list);
3982 struct mesh_container *container_ptr, *next_container_ptr;
3983 DWORD num_materials;
3984 DWORD num_faces, num_vertices;
3985 D3DXMATRIX identity;
3986 int i;
3987 DWORD provide_flags = 0;
3988 DWORD fvf;
3989 ID3DXMesh *concat_mesh = NULL;
3990 D3DVERTEXELEMENT9 concat_decl[MAX_FVF_DECL_SIZE];
3991 BYTE *concat_vertices = NULL;
3992 void *concat_indices = NULL;
3993 DWORD index_offset;
3994 DWORD concat_vertex_size;
3995
3996 TRACE("(%p, %u, %x, %p, %p, %p, %p, %p, %p)\n", memory, memory_size, options,
3997 device, adjacency_out, materials_out, effects_out, num_materials_out, mesh_out);
3998
3999 if (!memory || !memory_size || !device || !mesh_out)
4000 return D3DERR_INVALIDCALL;
4001
4002 hr = DirectXFileCreate(&dxfile);
4003 if (FAILED(hr)) goto cleanup;
4004
4005 hr = IDirectXFile_RegisterTemplates(dxfile, D3DRM_XTEMPLATES, D3DRM_XTEMPLATE_BYTES);
4006 if (FAILED(hr)) goto cleanup;
4007
4008 source.lpMemory = (void*)memory;
4009 source.dSize = memory_size;
4010 hr = IDirectXFile_CreateEnumObject(dxfile, &source, DXFILELOAD_FROMMEMORY, &enumobj);
4011 if (FAILED(hr)) goto cleanup;
4012
4013 D3DXMatrixIdentity(&identity);
4014 if (adjacency_out) provide_flags |= PROVIDE_ADJACENCY;
4015 if (materials_out || effects_out) provide_flags |= PROVIDE_MATERIALS;
4016
4017 while (SUCCEEDED(hr = IDirectXFileEnumObject_GetNextDataObject(enumobj, &filedata)))
4018 {
4019 const GUID *guid = NULL;
4020
4021 hr = IDirectXFileData_GetType(filedata, &guid);
4022 if (SUCCEEDED(hr)) {
4023 if (IsEqualGUID(guid, &TID_D3DRMMesh)) {
4024 container_ptr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*container_ptr));
4025 if (!container_ptr) {
4026 hr = E_OUTOFMEMORY;
4027 goto cleanup;
4028 }
4029 list_add_tail(&container_list, &container_ptr->entry);
4030 D3DXMatrixIdentity(&container_ptr->transform);
4031
4032 hr = load_skin_mesh_from_xof(filedata, options, device,
4033 (provide_flags & PROVIDE_ADJACENCY) ? &container_ptr->adjacency : NULL,
4034 (provide_flags & PROVIDE_MATERIALS) ? &container_ptr->materials : NULL,
4035 NULL, &container_ptr->num_materials, NULL, &container_ptr->mesh);
4036 } else if (IsEqualGUID(guid, &TID_D3DRMFrame)) {
4037 hr = parse_frame(filedata, options, device, &identity, &container_list, provide_flags);
4038 }
4039 if (FAILED(hr)) goto cleanup;
4040 }
4041 IDirectXFileData_Release(filedata);
4042 filedata = NULL;
4043 if (FAILED(hr))
4044 goto cleanup;
4045 }
4046 if (hr != DXFILEERR_NOMOREOBJECTS)
4047 goto cleanup;
4048
4049 IDirectXFileEnumObject_Release(enumobj);
4050 enumobj = NULL;
4051 IDirectXFile_Release(dxfile);
4052 dxfile = NULL;
4053
4054 if (list_empty(&container_list)) {
4055 hr = E_FAIL;
4056 goto cleanup;
4057 }
4058
4059 fvf = D3DFVF_XYZ;
4060 num_faces = 0;
4061 num_vertices = 0;
4062 num_materials = 0;
4063 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4064 {
4065 ID3DXMesh *mesh = container_ptr->mesh;
4066 fvf |= mesh->lpVtbl->GetFVF(mesh);
4067 num_faces += mesh->lpVtbl->GetNumFaces(mesh);
4068 num_vertices += mesh->lpVtbl->GetNumVertices(mesh);
4069 num_materials += container_ptr->num_materials;
4070 }
4071
4072 hr = D3DXCreateMeshFVF(num_faces, num_vertices, options, fvf, device, &concat_mesh);
4073 if (FAILED(hr)) goto cleanup;
4074
4075 hr = concat_mesh->lpVtbl->GetDeclaration(concat_mesh, concat_decl);
4076 if (FAILED(hr)) goto cleanup;
4077
4078 concat_vertex_size = D3DXGetDeclVertexSize(concat_decl, 0);
4079
4080 hr = concat_mesh->lpVtbl->LockVertexBuffer(concat_mesh, 0, (void**)&concat_vertices);
4081 if (FAILED(hr)) goto cleanup;
4082
4083 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4084 {
4085 D3DVERTEXELEMENT9 mesh_decl[MAX_FVF_DECL_SIZE];
4086 ID3DXMesh *mesh = container_ptr->mesh;
4087 DWORD num_mesh_vertices = mesh->lpVtbl->GetNumVertices(mesh);
4088 DWORD mesh_vertex_size;
4089 const BYTE *mesh_vertices;
4090
4091 hr = mesh->lpVtbl->GetDeclaration(mesh, mesh_decl);
4092 if (FAILED(hr)) goto cleanup;
4093
4094 mesh_vertex_size = D3DXGetDeclVertexSize(mesh_decl, 0);
4095
4096 hr = mesh->lpVtbl->LockVertexBuffer(mesh, D3DLOCK_READONLY, (void**)&mesh_vertices);
4097 if (FAILED(hr)) goto cleanup;
4098
4099 for (i = 0; i < num_mesh_vertices; i++) {
4100 int j;
4101 int k = 1;
4102
4103 D3DXVec3TransformCoord((D3DXVECTOR3*)concat_vertices,
4104 (D3DXVECTOR3*)mesh_vertices,
4105 &container_ptr->transform);
4106 for (j = 1; concat_decl[j].Stream != 0xff; j++)
4107 {
4108 if (concat_decl[j].Usage == mesh_decl[k].Usage &&
4109 concat_decl[j].UsageIndex == mesh_decl[k].UsageIndex)
4110 {
4111 if (concat_decl[j].Usage == D3DDECLUSAGE_NORMAL) {
4112 D3DXVec3TransformCoord((D3DXVECTOR3*)(concat_vertices + concat_decl[j].Offset),
4113 (D3DXVECTOR3*)(mesh_vertices + mesh_decl[k].Offset),
4114 &container_ptr->transform);
4115 } else {
4116 memcpy(concat_vertices + concat_decl[j].Offset,
4117 mesh_vertices + mesh_decl[k].Offset,
4118 d3dx_decltype_size[mesh_decl[k].Type]);
4119 }
4120 k++;
4121 }
4122 }
4123 mesh_vertices += mesh_vertex_size;
4124 concat_vertices += concat_vertex_size;
4125 }
4126
4127 mesh->lpVtbl->UnlockVertexBuffer(mesh);
4128 }
4129
4130 concat_mesh->lpVtbl->UnlockVertexBuffer(concat_mesh);
4131 concat_vertices = NULL;
4132
4133 hr = concat_mesh->lpVtbl->LockIndexBuffer(concat_mesh, 0, &concat_indices);
4134 if (FAILED(hr)) goto cleanup;
4135
4136 index_offset = 0;
4137 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4138 {
4139 ID3DXMesh *mesh = container_ptr->mesh;
4140 const void *mesh_indices;
4141 DWORD num_mesh_faces = mesh->lpVtbl->GetNumFaces(mesh);
4142 int i;
4143
4144 hr = mesh->lpVtbl->LockIndexBuffer(mesh, D3DLOCK_READONLY, (void**)&mesh_indices);
4145 if (FAILED(hr)) goto cleanup;
4146
4147 if (options & D3DXMESH_32BIT) {
4148 DWORD *dest = concat_indices;
4149 const DWORD *src = mesh_indices;
4150 for (i = 0; i < num_mesh_faces * 3; i++)
4151 *dest++ = index_offset + *src++;
4152 concat_indices = dest;
4153 } else {
4154 WORD *dest = concat_indices;
4155 const WORD *src = mesh_indices;
4156 for (i = 0; i < num_mesh_faces * 3; i++)
4157 *dest++ = index_offset + *src++;
4158 concat_indices = dest;
4159 }
4160 mesh->lpVtbl->UnlockIndexBuffer(mesh);
4161
4162 index_offset += num_mesh_faces * 3;
4163 }
4164
4165 concat_mesh->lpVtbl->UnlockIndexBuffer(concat_mesh);
4166 concat_indices = NULL;
4167
4168 if (num_materials) {
4169 DWORD *concat_attrib_buffer = NULL;
4170 DWORD offset = 0;
4171
4172 hr = concat_mesh->lpVtbl->LockAttributeBuffer(concat_mesh, 0, &concat_attrib_buffer);
4173 if (FAILED(hr)) goto cleanup;
4174
4175 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4176 {
4177 ID3DXMesh *mesh = container_ptr->mesh;
4178 const DWORD *mesh_attrib_buffer = NULL;
4179 DWORD count = mesh->lpVtbl->GetNumFaces(mesh);
4180
4181 hr = mesh->lpVtbl->LockAttributeBuffer(mesh, D3DLOCK_READONLY, (DWORD**)&mesh_attrib_buffer);
4182 if (FAILED(hr)) {
4183 concat_mesh->lpVtbl->UnlockAttributeBuffer(concat_mesh);
4184 goto cleanup;
4185 }
4186
4187 while (count--)
4188 *concat_attrib_buffer++ = offset + *mesh_attrib_buffer++;
4189
4190 mesh->lpVtbl->UnlockAttributeBuffer(mesh);
4191 offset += container_ptr->num_materials;
4192 }
4193 concat_mesh->lpVtbl->UnlockAttributeBuffer(concat_mesh);
4194 }
4195
4196 if (materials_out || effects_out) {
4197 D3DXMATERIAL *out_ptr;
4198 if (!num_materials) {
4199 /* create default material */
4200 hr = D3DXCreateBuffer(sizeof(D3DXMATERIAL), &materials);
4201 if (FAILED(hr)) goto cleanup;
4202
4203 out_ptr = ID3DXBuffer_GetBufferPointer(materials);
4204 out_ptr->MatD3D.Diffuse.r = 0.5f;
4205 out_ptr->MatD3D.Diffuse.g = 0.5f;
4206 out_ptr->MatD3D.Diffuse.b = 0.5f;
4207 out_ptr->MatD3D.Specular.r = 0.5f;
4208 out_ptr->MatD3D.Specular.g = 0.5f;
4209 out_ptr->MatD3D.Specular.b = 0.5f;
4210 /* D3DXCreateBuffer initializes the rest to zero */
4211 } else {
4212 DWORD buffer_size = num_materials * sizeof(D3DXMATERIAL);
4213 char *strings_out_ptr;
4214
4215 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4216 {
4217 if (container_ptr->materials) {
4218 const D3DXMATERIAL *in_ptr = ID3DXBuffer_GetBufferPointer(container_ptr->materials);
4219 for (i = 0; i < container_ptr->num_materials; i++)
4220 {
4221 if (in_ptr->pTextureFilename)
4222 buffer_size += strlen(in_ptr->pTextureFilename) + 1;
4223 in_ptr++;
4224 }
4225 }
4226 }
4227
4228 hr = D3DXCreateBuffer(buffer_size, &materials);
4229 if (FAILED(hr)) goto cleanup;
4230 out_ptr = ID3DXBuffer_GetBufferPointer(materials);
4231 strings_out_ptr = (char*)(out_ptr + num_materials);
4232
4233 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4234 {
4235 if (container_ptr->materials) {
4236 const D3DXMATERIAL *in_ptr = ID3DXBuffer_GetBufferPointer(container_ptr->materials);
4237 for (i = 0; i < container_ptr->num_materials; i++)
4238 {
4239 out_ptr->MatD3D = in_ptr->MatD3D;
4240 if (in_ptr->pTextureFilename) {
4241 out_ptr->pTextureFilename = strings_out_ptr;
4242 strcpy(out_ptr->pTextureFilename, in_ptr->pTextureFilename);
4243 strings_out_ptr += strlen(in_ptr->pTextureFilename) + 1;
4244 }
4245 in_ptr++;
4246 out_ptr++;
4247 }
4248 }
4249 }
4250 }
4251 }
4252 if (!num_materials)
4253 num_materials = 1;
4254
4255 if (effects_out) {
4256 generate_effects(materials, num_materials, &effects);
4257 if (!materials_out) {
4258 ID3DXBuffer_Release(materials);
4259 materials = NULL;
4260 }
4261 }
4262
4263 if (adjacency_out) {
4264 if (!list_next(&container_list, list_head(&container_list))) {
4265 container_ptr = LIST_ENTRY(list_head(&container_list), struct mesh_container, entry);
4266 adjacency = container_ptr->adjacency;
4267 container_ptr->adjacency = NULL;
4268 } else {
4269 DWORD offset = 0;
4270 DWORD *out_ptr;
4271
4272 hr = D3DXCreateBuffer(num_faces * 3 * sizeof(DWORD), &adjacency);
4273 if (FAILED(hr)) goto cleanup;
4274
4275 out_ptr = ID3DXBuffer_GetBufferPointer(adjacency);
4276 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4277 {
4278 DWORD *in_ptr = ID3DXBuffer_GetBufferPointer(container_ptr->adjacency);
4279 int count = 3 * container_ptr->mesh->lpVtbl->GetNumFaces(container_ptr->mesh);
4280
4281 for (i = 0; i < count; i++)
4282 *out_ptr++ = offset + *in_ptr++;
4283
4284 offset += count;
4285 }
4286 }
4287 }
4288
4289 *mesh_out = concat_mesh;
4290 if (adjacency_out) *adjacency_out = adjacency;
4291 if (materials_out) *materials_out = materials;
4292 if (effects_out) *effects_out = effects;
4293 if (num_materials_out) *num_materials_out = num_materials;
4294
4295 hr = D3D_OK;
4296 cleanup:
4297 if (concat_indices) concat_mesh->lpVtbl->UnlockIndexBuffer(concat_mesh);
4298 if (concat_vertices) concat_mesh->lpVtbl->UnlockVertexBuffer(concat_mesh);
4299 if (filedata) IDirectXFileData_Release(filedata);
4300 if (enumobj) IDirectXFileEnumObject_Release(enumobj);
4301 if (dxfile) IDirectXFile_Release(dxfile);
4302 if (FAILED(hr)) {
4303 if (concat_mesh) IUnknown_Release(concat_mesh);
4304 if (materials) ID3DXBuffer_Release(materials);
4305 if (effects) ID3DXBuffer_Release(effects);
4306 if (adjacency) ID3DXBuffer_Release(adjacency);
4307 }
4308 LIST_FOR_EACH_ENTRY_SAFE(container_ptr, next_container_ptr, &container_list, struct mesh_container, entry)
4309 {
4310 if (container_ptr->mesh) IUnknown_Release(container_ptr->mesh);
4311 if (container_ptr->adjacency) ID3DXBuffer_Release(container_ptr->adjacency);
4312 if (container_ptr->materials) ID3DXBuffer_Release(container_ptr->materials);
4313 if (container_ptr->effects) ID3DXBuffer_Release(container_ptr->effects);
4314 HeapFree(GetProcessHeap(), 0, container_ptr);
4315 }
4316 return hr;
4317 }
4318
4319 HRESULT WINAPI D3DXCreateBox(struct IDirect3DDevice9 *device, float width, float height,
4320 float depth, struct ID3DXMesh **mesh, struct ID3DXBuffer **adjacency)
4321 {
4322 FIXME("(%p, %f, %f, %f, %p, %p): stub\n", device, width, height, depth, mesh, adjacency);
4323
4324 return E_NOTIMPL;
4325 }
4326
4327 struct vertex
4328 {
4329 D3DXVECTOR3 position;
4330 D3DXVECTOR3 normal;
4331 };
4332
4333 typedef WORD face[3];
4334
4335 struct sincos_table
4336 {
4337 float *sin;
4338 float *cos;
4339 };
4340
4341 static void free_sincos_table(struct sincos_table *sincos_table)
4342 {
4343 HeapFree(GetProcessHeap(), 0, sincos_table->cos);
4344 HeapFree(GetProcessHeap(), 0, sincos_table->sin);
4345 }
4346
4347 /* pre compute sine and cosine tables; caller must free */
4348 static BOOL compute_sincos_table(struct sincos_table *sincos_table, float angle_start, float angle_step, int n)
4349 {
4350 float angle;
4351 int i;
4352
4353 sincos_table->sin = HeapAlloc(GetProcessHeap(), 0, n * sizeof(*sincos_table->sin));
4354 if (!sincos_table->sin)
4355 {
4356 return FALSE;
4357 }
4358 sincos_table->cos = HeapAlloc(GetProcessHeap(), 0, n * sizeof(*sincos_table->cos));
4359 if (!sincos_table->cos)
4360 {
4361 HeapFree(GetProcessHeap(), 0, sincos_table->sin);
4362 return FALSE;
4363 }
4364
4365 angle = angle_start;
4366 for (i = 0; i < n; i++)
4367 {
4368 sincos_table->sin[i] = sin(angle);
4369 sincos_table->cos[i] = cos(angle);
4370 angle += angle_step;
4371 }
4372
4373 return TRUE;
4374 }
4375
4376 static WORD vertex_index(UINT slices, int slice, int stack)
4377 {
4378 return stack*slices+slice+1;
4379 }
4380
4381 HRESULT WINAPI D3DXCreateSphere(struct IDirect3DDevice9 *device, float radius, UINT slices,
4382 UINT stacks, struct ID3DXMesh **mesh, struct ID3DXBuffer **adjacency)
4383 {
4384 DWORD number_of_vertices, number_of_faces;
4385 HRESULT hr;
4386 ID3DXMesh *sphere;
4387 struct vertex *vertices;
4388 face *faces;
4389 float phi_step, phi_start;
4390 struct sincos_table phi;
4391 float theta_step, theta, sin_theta, cos_theta;
4392 DWORD vertex, face;
4393 int slice, stack;
4394
4395 TRACE("(%p, %f, %u, %u, %p, %p)\n", device, radius, slices, stacks, mesh, adjacency);
4396
4397 if (!device || radius < 0.0f || slices < 2 || stacks < 2 || !mesh)
4398 {
4399 return D3DERR_INVALIDCALL;
4400 }
4401
4402 if (adjacency)
4403 {
4404 FIXME("Case of adjacency != NULL not implemented.\n");
4405 return E_NOTIMPL;
4406 }
4407
4408 number_of_vertices = 2 + slices * (stacks-1);
4409 number_of_faces = 2 * slices + (stacks - 2) * (2 * slices);
4410
4411 hr = D3DXCreateMeshFVF(number_of_faces, number_of_vertices, D3DXMESH_MANAGED,
4412 D3DFVF_XYZ | D3DFVF_NORMAL, device, &sphere);
4413 if (FAILED(hr))
4414 {
4415 return hr;
4416 }
4417
4418 hr = sphere->lpVtbl->LockVertexBuffer(sphere, 0, (LPVOID *)&vertices);
4419 if (FAILED(hr))
4420 {
4421 sphere->lpVtbl->Release(sphere);
4422 return hr;
4423 }
4424
4425 hr = sphere->lpVtbl->LockIndexBuffer(sphere, 0, (LPVOID *)&faces);
4426 if (FAILED(hr))
4427 {
4428 sphere->lpVtbl->UnlockVertexBuffer(sphere);
4429 sphere->lpVtbl->Release(sphere);
4430 return hr;
4431 }
4432
4433 /* phi = angle on xz plane wrt z axis */
4434 phi_step = -2 * M_PI / slices;
4435 phi_start = M_PI / 2;
4436
4437 if (!compute_sincos_table(&phi, phi_start, phi_step, slices))
4438 {
4439 sphere->lpVtbl->UnlockIndexBuffer(sphere);
4440 sphere->lpVtbl->UnlockVertexBuffer(sphere);
4441 sphere->lpVtbl->Release(sphere);
4442 return E_OUTOFMEMORY;
4443 }
4444
4445 /* theta = angle on xy plane wrt x axis */
4446 theta_step = M_PI / stacks;
4447 theta = theta_step;
4448
4449 vertex = 0;
4450 face = 0;
4451
4452 vertices[vertex].normal.x = 0.0f;
4453 vertices[vertex].normal.y = 0.0f;
4454 vertices[vertex].normal.z = 1.0f;
4455 vertices[vertex].position.x = 0.0f;
4456 vertices[vertex].position.y = 0.0f;
4457 vertices[vertex].position.z = radius;
4458 vertex++;
4459
4460 for (stack = 0; stack < stacks - 1; stack++)
4461 {
4462 sin_theta = sin(theta);
4463 cos_theta = cos(theta);
4464
4465 for (slice = 0; slice < slices; slice++)
4466 {
4467 vertices[vertex].normal.x = sin_theta * phi.cos[slice];
4468 vertices[vertex].normal.y = sin_theta * phi.sin[slice];
4469 vertices[vertex].normal.z = cos_theta;
4470 vertices[vertex].position.x = radius * sin_theta * phi.cos[slice];
4471 vertices[vertex].position.y = radius * sin_theta * phi.sin[slice];
4472 vertices[vertex].position.z = radius * cos_theta;
4473 vertex++;
4474
4475 if (slice > 0)
4476 {
4477 if (stack == 0)
4478 {
4479 /* top stack is triangle fan */
4480 faces[face][0] = 0;
4481 faces[face][1] = slice + 1;
4482 faces[face][2] = slice;
4483 face++;
4484 }
4485 else
4486 {
4487 /* stacks in between top and bottom are quad strips */
4488 faces[face][0] = vertex_index(slices, slice-1, stack-1);
4489 faces[face][1] = vertex_index(slices, slice, stack-1);
4490 faces[face][2] = vertex_index(slices, slice-1, stack);
4491 face++;
4492
4493 faces[face][0] = vertex_index(slices, slice, stack-1);
4494 faces[face][1] = vertex_index(slices, slice, stack);
4495 faces[face][2] = vertex_index(slices, slice-1, stack);
4496 face++;
4497 }
4498 }
4499 }
4500
4501 theta += theta_step;
4502
4503 if (stack == 0)
4504 {
4505 faces[face][0] = 0;
4506 faces[face][1] = 1;
4507 faces[face][2] = slice;
4508 face++;
4509 }
4510 else
4511 {
4512 faces[face][0] = vertex_index(slices, slice-1, stack-1);
4513 faces[face][1] = vertex_index(slices, 0, stack-1);
4514 faces[face][2] = vertex_index(slices, slice-1, stack);
4515 face++;
4516
4517 faces[face][0] = vertex_index(slices, 0, stack-1);
4518 faces[face][1] = vertex_index(slices, 0, stack);
4519 faces[face][2] = vertex_index(slices, slice-1, stack);
4520 face++;
4521 }
4522 }
4523
4524 vertices[vertex].position.x = 0.0f;
4525 vertices[vertex].position.y = 0.0f;
4526 vertices[vertex].position.z = -radius;
4527 vertices[vertex].normal.x = 0.0f;
4528 vertices[vertex].normal.y = 0.0f;
4529 vertices[vertex].normal.z = -1.0f;
4530
4531 /* bottom stack is triangle fan */
4532 for (slice = 1; slice < slices; slice++)
4533 {
4534 faces[face][0] = vertex_index(slices, slice-1, stack-1);
4535 faces[face][1] = vertex_index(slices, slice, stack-1);
4536 faces[face][2] = vertex;
4537 face++;
4538 }
4539
4540 faces[face][0] = vertex_index(slices, slice-1, stack-1);
4541 faces[face][1] = vertex_index(slices, 0, stack-1);
4542 faces[face][2] = vertex;
4543
4544 free_sincos_table(&phi);
4545 sphere->lpVtbl->UnlockIndexBuffer(sphere);
4546 sphere->lpVtbl->UnlockVertexBuffer(sphere);
4547 *mesh = sphere;
4548
4549 return D3D_OK;
4550 }
4551
4552 HRESULT WINAPI D3DXCreateCylinder(struct IDirect3DDevice9 *device, float radius1, float radius2,
4553 float length, UINT slices, UINT stacks, struct ID3DXMesh **mesh, struct ID3DXBuffer **adjacency)
4554 {
4555 DWORD number_of_vertices, number_of_faces;
4556 HRESULT hr;
4557 ID3DXMesh *cylinder;
4558 struct vertex *vertices;
4559 face *faces;
4560 float theta_step, theta_start;
4561 struct sincos_table theta;
4562 float delta_radius, radius, radius_step;
4563 float z, z_step, z_normal;
4564 DWORD vertex, face;
4565 int slice, stack;
4566
4567 TRACE("(%p, %f, %f, %f, %u, %u, %p, %p)\n", device, radius1, radius2, length, slices, stacks, mesh, adjacency);
4568
4569 if (device == NULL || radius1 < 0.0f || radius2 < 0.0f || length < 0.0f || slices < 2 || stacks < 1 || mesh == NULL)
4570 {
4571 return D3DERR_INVALIDCALL;
4572 }
4573
4574 if (adjacency)
4575 {
4576 FIXME("Case of adjacency != NULL not implemented.\n");
4577 return E_NOTIMPL;
4578 }
4579
4580 number_of_vertices = 2 + (slices * (3 + stacks));
4581 number_of_faces = 2 * slices + stacks * (2 * slices);
4582
4583 hr = D3DXCreateMeshFVF(number_of_faces, number_of_vertices, D3DXMESH_MANAGED,
4584 D3DFVF_XYZ | D3DFVF_NORMAL, device, &cylinder);
4585 if (FAILED(hr))
4586 {
4587 return hr;
4588 }
4589
4590 hr = cylinder->lpVtbl->LockVertexBuffer(cylinder, 0, (LPVOID *)&vertices);
4591 if (FAILED(hr))
4592 {
4593 cylinder->lpVtbl->Release(cylinder);
4594 return hr;
4595 }
4596
4597 hr = cylinder->lpVtbl->LockIndexBuffer(cylinder, 0, (LPVOID *)&faces);
4598 if (FAILED(hr))
4599 {
4600 cylinder->lpVtbl->UnlockVertexBuffer(cylinder);
4601 cylinder->lpVtbl->Release(cylinder);
4602 return hr;
4603 }
4604
4605 /* theta = angle on xy plane wrt x axis */
4606 theta_step = -2 * M_PI / slices;
4607 theta_start = M_PI / 2;
4608
4609 if (!compute_sincos_table(&theta, theta_start, theta_step, slices))
4610 {
4611 cylinder->lpVtbl->UnlockIndexBuffer(cylinder);
4612 cylinder->lpVtbl->UnlockVertexBuffer(cylinder);
4613 cylinder->lpVtbl->Release(cylinder);
4614 return E_OUTOFMEMORY;
4615 }
4616
4617 vertex = 0;
4618 face = 0;
4619
4620 delta_radius = radius1 - radius2;
4621 radius = radius1;
4622 radius_step = delta_radius / stacks;
4623
4624 z = -length / 2;
4625 z_step = length / stacks;
4626 z_normal = delta_radius / length;
4627 if (isnan(z_normal))
4628 {
4629 z_normal = 0.0f;
4630 }
4631
4632 vertices[vertex].normal.x = 0.0f;
4633 vertices[vertex].normal.y = 0.0f;
4634 vertices[vertex].normal.z = -1.0f;
4635 vertices[vertex].position.x = 0.0f;
4636 vertices[vertex].position.y = 0.0f;
4637 vertices[vertex++].position.z = z;
4638
4639 for (slice = 0; slice < slices; slice++, vertex++)
4640 {
4641 vertices[vertex].normal.x = 0.0f;
4642 vertices[vertex].normal.y = 0.0f;
4643 vertices[vertex].normal.z = -1.0f;
4644 vertices[vertex].position.x = radius * theta.cos[slice];
4645 vertices[vertex].position.y = radius * theta.sin[slice];
4646 vertices[vertex].position.z = z;
4647
4648 if (slice > 0)
4649 {
4650 faces[face][0] = 0;
4651 faces[face][1] = slice;
4652 faces[face++][2] = slice + 1;
4653 }
4654 }
4655
4656 faces[face][0] = 0;
4657 faces[face][1] = slice;
4658 faces[face++][2] = 1;
4659
4660 for (stack = 1; stack <= stacks+1; stack++)
4661 {
4662 for (slice = 0; slice < slices; slice++, vertex++)
4663 {
4664 vertices[vertex].normal.x = theta.cos[slice];
4665 vertices[vertex].normal.y = theta.sin[slice];
4666 vertices[vertex].normal.z = z_normal;
4667 D3DXVec3Normalize(&vertices[vertex].normal, &vertices[vertex].normal);
4668 vertices[vertex].position.x = radius * theta.cos[slice];
4669 vertices[vertex].position.y = radius * theta.sin[slice];
4670 vertices[vertex].position.z = z;
4671
4672 if (stack > 1 && slice > 0)
4673 {
4674 faces[face][0] = vertex_index(slices, slice-1, stack-1);
4675 faces[face][1] = vertex_index(slices, slice-1, stack);
4676 faces[face++][2] = vertex_index(slices, slice, stack-1);
4677
4678 faces[face][0] = vertex_index(slices, slice, stack-1);
4679 faces[face][1] = vertex_index(slices, slice-1, stack);
4680 faces[face++][2] = vertex_index(slices, slice, stack);
4681 }
4682 }
4683
4684 if (stack > 1)
4685 {
4686 faces[face][0] = vertex_index(slices, slice-1, stack-1);
4687 faces[face][1] = vertex_index(slices, slice-1, stack);
4688 faces[face++][2] = vertex_index(slices, 0, stack-1);
4689
4690 faces[face][0] = vertex_index(slices, 0, stack-1);
4691 faces[face][1] = vertex_index(slices, slice-1, stack);
4692 faces[face++][2] = vertex_index(slices, 0, stack);
4693 }
4694
4695 if (stack < stacks + 1)
4696 {
4697 z += z_step;
4698 radius -= radius_step;
4699 }
4700 }
4701
4702 for (slice = 0; slice < slices; slice++, vertex++)
4703 {
4704 vertices[vertex].normal.x = 0.0f;
4705 vertices[vertex].normal.y = 0.0f;
4706 vertices[vertex].normal.z = 1.0f;
4707 vertices[vertex].position.x = radius * theta.cos[slice];
4708 vertices[vertex].position.y = radius * theta.sin[slice];
4709 vertices[vertex].position.z = z;
4710
4711 if (slice > 0)
4712 {
4713 faces[face][0] = vertex_index(slices, slice-1, stack);
4714 faces[face][1] = number_of_vertices - 1;
4715 faces[face++][2] = vertex_index(slices, slice, stack);
4716 }
4717 }
4718
4719 vertices[vertex].position.x = 0.0f;
4720 vertices[vertex].position.y = 0.0f;
4721 vertices[vertex].position.z = z;
4722 vertices[vertex].normal.x = 0.0f;
4723 vertices[vertex].normal.y = 0.0f;
4724 vertices[vertex].normal.z = 1.0f;
4725
4726 faces[face][0] = vertex_index(slices, slice-1, stack);
4727 faces[face][1] = number_of_vertices - 1;
4728 faces[face][2] = vertex_index(slices, 0, stack);
4729
4730 free_sincos_table(&theta);
4731 cylinder->lpVtbl->UnlockIndexBuffer(cylinder);
4732 cylinder->lpVtbl->UnlockVertexBuffer(cylinder);
4733 *mesh = cylinder;
4734
4735 return D3D_OK;
4736 }
4737
4738 HRESULT WINAPI D3DXCreateTeapot(struct IDirect3DDevice9 *device,
4739 struct ID3DXMesh **mesh, struct ID3DXBuffer **adjacency)
4740 {
4741 FIXME("(%p, %p, %p): stub\n", device, mesh, adjacency);
4742
4743 return E_NOTIMPL;
4744 }
4745
4746 HRESULT WINAPI D3DXCreateTextA(struct IDirect3DDevice9 *device, HDC hdc, const char *text, float deviation,
4747 float extrusion, struct ID3DXMesh **mesh, struct ID3DXBuffer **adjacency, GLYPHMETRICSFLOAT *glyphmetrics)
4748 {
4749 HRESULT hr;
4750 int len;
4751 LPWSTR textW;
4752
4753 TRACE("(%p, %p, %s, %f, %f, %p, %p, %p)\n", device, hdc,
4754 debugstr_a(text), deviation, extrusion, mesh, adjacency, glyphmetrics);
4755
4756 if (!text)
4757 return D3DERR_INVALIDCALL;
4758
4759 len = MultiByteToWideChar(CP_ACP, 0, text, -1, NULL, 0);
4760 textW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
4761 MultiByteToWideChar(CP_ACP, 0, text, -1, textW, len);
4762
4763 hr = D3DXCreateTextW(device, hdc, textW, deviation, extrusion,
4764 mesh, adjacency, glyphmetrics);
4765 HeapFree(GetProcessHeap(), 0, textW);
4766
4767 return hr;
4768 }
4769
4770 enum pointtype {
4771 POINTTYPE_CURVE = 0,
4772 POINTTYPE_CORNER,
4773 POINTTYPE_CURVE_START,
4774 POINTTYPE_CURVE_END,
4775 POINTTYPE_CURVE_MIDDLE,
4776 };
4777
4778 struct point2d
4779 {
4780 D3DXVECTOR2 pos;
4781 enum pointtype corner;
4782 };
4783
4784 struct dynamic_array
4785 {
4786 int count, capacity;
4787 void *items;
4788 };
4789
4790 /* is a dynamic_array */
4791 struct outline
4792 {
4793 int count, capacity;
4794 struct point2d *items;
4795 };
4796
4797 /* is a dynamic_array */
4798 struct outline_array
4799 {
4800 int count, capacity;
4801 struct outline *items;
4802 };
4803
4804 struct face_array
4805 {
4806 int count;
4807 face *items;
4808 };
4809
4810 struct point2d_index
4811 {
4812 struct outline *outline;
4813 int vertex;
4814 };
4815
4816 struct point2d_index_array
4817 {
4818 int count;
4819 struct point2d_index *items;
4820 };
4821
4822 struct glyphinfo
4823 {
4824 struct outline_array outlines;
4825 struct face_array faces;
4826 struct point2d_index_array ordered_vertices;
4827 float offset_x;
4828 };
4829
4830 /* is an dynamic_array */
4831 struct word_array
4832 {
4833 int count, capacity;
4834 WORD *items;
4835 };
4836
4837 /* complex polygons are split into monotone polygons, which have
4838 * at most 2 intersections with the vertical sweep line */
4839 struct triangulation
4840 {
4841 struct word_array vertex_stack;
4842 BOOL last_on_top, merging;
4843 };
4844
4845 /* is an dynamic_array */
4846 struct triangulation_array
4847 {
4848 int count, capacity;
4849 struct triangulation *items;
4850
4851 struct glyphinfo *glyph;
4852 };
4853
4854 static BOOL reserve(struct dynamic_array *array, int count, int itemsize)
4855 {
4856 if (count > array->capacity) {
4857 void *new_buffer;
4858 int new_capacity;
4859 if (array->items && array->capacity) {
4860 new_capacity = max(array->capacity * 2, count);
4861 new_buffer = HeapReAlloc(GetProcessHeap(), 0, array->items, new_capacity * itemsize);
4862 } else {
4863 new_capacity = max(16, count);
4864 new_buffer = HeapAlloc(GetProcessHeap(), 0, new_capacity * itemsize);
4865 }
4866 if (!new_buffer)
4867 return FALSE;
4868 array->items = new_buffer;
4869 array->capacity = new_capacity;
4870 }
4871 return TRUE;
4872 }
4873
4874 static struct point2d *add_points(struct outline *array, int num)
4875 {
4876 struct point2d *item;
4877
4878 if (!reserve((struct dynamic_array *)array, array->count + num, sizeof(array->items[0])))
4879 return NULL;
4880
4881 item = &array->items[array->count];
4882 array->count += num;
4883 return item;
4884 }
4885
4886 static struct outline *add_outline(struct outline_array *array)
4887 {
4888 struct outline *item;
4889
4890 if (!reserve((struct dynamic_array *)array, array->count + 1, sizeof(array->items[0])))
4891 return NULL;
4892
4893 item = &array->items[array->count++];
4894 ZeroMemory(item, sizeof(*item));
4895 return item;
4896 }
4897
4898 static inline face *add_face(struct face_array *array)
4899 {
4900 return &array->items[array->count++];
4901 }
4902
4903 static struct triangulation *add_triangulation(struct triangulation_array *array)
4904 {
4905 struct triangulation *item;
4906
4907 if (!reserve((struct dynamic_array *)array, array->count + 1, sizeof(array->items[0])))
4908 return NULL;
4909
4910 item = &array->items[array->count++];
4911 ZeroMemory(item, sizeof(*item));
4912 return item;
4913 }
4914
4915 static HRESULT add_vertex_index(struct word_array *array, WORD vertex_index)
4916 {
4917 if (!reserve((struct dynamic_array *)array, array->count + 1, sizeof(array->items[0])))
4918 return E_OUTOFMEMORY;
4919
4920 array->items[array->count++] = vertex_index;
4921 return S_OK;
4922 }
4923
4924 /* assume fixed point numbers can be converted to float point in place */
4925 C_ASSERT(sizeof(FIXED) == sizeof(float));
4926 C_ASSERT(sizeof(POINTFX) == sizeof(D3DXVECTOR2));
4927
4928 static inline D3DXVECTOR2 *convert_fixed_to_float(POINTFX *pt, int count, float emsquare)
4929 {
4930 D3DXVECTOR2 *ret = (D3DXVECTOR2*)pt;
4931 while (count--) {
4932 D3DXVECTOR2 *pt_flt = (D3DXVECTOR2*)pt;
4933 pt_flt->x = (pt->x.value + pt->x.fract / (float)0x10000) / emsquare;
4934 pt_flt->y = (pt->y.value + pt->y.fract / (float)0x10000) / emsquare;
4935 pt++;
4936 }
4937 return ret;
4938 }
4939
4940 static HRESULT add_bezier_points(struct outline *outline, const D3DXVECTOR2 *p1,
4941 const D3DXVECTOR2 *p2, const D3DXVECTOR2 *p3,
4942 float max_deviation_sq)
4943 {
4944 D3DXVECTOR2 split1 = {0, 0}, split2 = {0, 0}, middle, vec;
4945 float deviation_sq;
4946
4947 D3DXVec2Scale(&split1, D3DXVec2Add(&split1, p1, p2), 0.5f);
4948 D3DXVec2Scale(&split2, D3DXVec2Add(&split2, p2, p3), 0.5f);
4949 D3DXVec2Scale(&middle, D3DXVec2Add(&middle, &split1, &split2), 0.5f);
4950
4951 deviation_sq = D3DXVec2LengthSq(D3DXVec2Subtract(&vec, &middle, p2));
4952 if (deviation_sq < max_deviation_sq) {
4953 struct point2d *pt = add_points(outline, 1);
4954 if (!pt) return E_OUTOFMEMORY;
4955 pt->pos = *p2;
4956 pt->corner = POINTTYPE_CURVE;
4957 /* the end point is omitted because the end line merges into the next segment of
4958 * the split bezier curve, and the end of the split bezier curve is added outside
4959 * this recursive function. */
4960 } else {
4961 HRESULT hr = add_bezier_points(outline, p1, &split1, &middle, max_deviation_sq);
4962 if (hr != S_OK) return hr;
4963 hr = add_bezier_points(outline, &middle, &split2, p3, max_deviation_sq);
4964 if (hr != S_OK) return hr;
4965 }
4966
4967 return S_OK;
4968 }
4969
4970 static inline BOOL is_direction_similar(D3DXVECTOR2 *dir1, D3DXVECTOR2 *dir2, float cos_theta)
4971 {
4972 /* dot product = cos(theta) */
4973 return D3DXVec2Dot(dir1, dir2) > cos_theta;
4974 }
4975
4976 static inline D3DXVECTOR2 *unit_vec2(D3DXVECTOR2 *dir, const D3DXVECTOR2 *pt1, const D3DXVECTOR2 *pt2)
4977 {
4978 return D3DXVec2Normalize(D3DXVec2Subtract(dir, pt2, pt1), dir);
4979 }
4980
4981 struct cos_table
4982 {
4983 float cos_half;
4984 float cos_45;
4985 float cos_90;
4986 };
4987
4988 static BOOL attempt_line_merge(struct outline *outline,
4989 int pt_index,
4990 const D3DXVECTOR2 *nextpt,
4991 BOOL to_curve,
4992 const struct cos_table *table)
4993 {
4994 D3DXVECTOR2 curdir, lastdir;
4995 struct point2d *prevpt, *pt;
4996 BOOL ret = FALSE;
4997
4998 pt = &outline->items[pt_index];
4999 pt_index = (pt_index - 1 + outline->count) % outline->count;
5000 prevpt = &outline->items[pt_index];
5001
5002 if (to_curve)
5003 pt->corner = pt->corner != POINTTYPE_CORNER ? POINTTYPE_CURVE_MIDDLE : POINTTYPE_CURVE_START;
5004
5005 if (outline->count < 2)
5006 return FALSE;
5007
5008 /* remove last point if the next line continues the last line */
5009 unit_vec2(&lastdir, &prevpt->pos, &pt->pos);
5010 unit_vec2(&curdir, &pt->pos, nextpt);
5011 if (is_direction_similar(&lastdir, &curdir, table->cos_half))
5012 {
5013 outline->count--;
5014 if (pt->corner == POINTTYPE_CURVE_END)
5015 prevpt->corner = pt->corner;
5016 if (prevpt->corner == POINTTYPE_CURVE_END && to_curve)
5017 prevpt->corner = POINTTYPE_CURVE_MIDDLE;
5018 pt = prevpt;
5019
5020 ret = TRUE;
5021 if (outline->count < 2)
5022 return ret;
5023
5024 pt_index = (pt_index - 1 + outline->count) % outline->count;
5025 prevpt = &outline->items[pt_index];
5026 unit_vec2(&lastdir, &prevpt->pos, &pt->pos);
5027 unit_vec2(&curdir, &pt->pos, nextpt);
5028 }
5029 return ret;
5030 }
5031
5032 static HRESULT create_outline(struct glyphinfo *glyph, void *raw_outline, int datasize,
5033 float max_deviation_sq, float emsquare, const struct cos_table *cos_table)
5034 {
5035 TTPOLYGONHEADER *header = (TTPOLYGONHEADER *)raw_outline;
5036
5037 while ((char *)header < (char *)raw_outline + datasize)
5038 {
5039 TTPOLYCURVE *curve = (TTPOLYCURVE *)(header + 1);
5040 struct point2d *lastpt, *pt;
5041 D3DXVECTOR2 lastdir;
5042 D3DXVECTOR2 *pt_flt;
5043 int j;
5044 struct outline *outline = add_outline(&glyph->outlines);
5045
5046 if (!outline)
5047 return E_OUTOFMEMORY;
5048
5049 pt = add_points(outline, 1);
5050 if (!pt)
5051 return E_OUTOFMEMORY;
5052 pt_flt = convert_fixed_to_float(&header->pfxStart, 1, emsquare);
5053 pt->pos = *pt_flt;
5054 pt->corner = POINTTYPE_CORNER;
5055
5056 if (header->dwType != TT_POLYGON_TYPE)
5057 FIXME("Unknown header type %d\n", header->dwType);
5058
5059 while ((char *)curve < (char *)header + header->cb)
5060 {
5061 D3DXVECTOR2 bezier_start = outline->items[outline->count - 1].pos;
5062 BOOL to_curve = curve->wType != TT_PRIM_LINE && curve->cpfx > 1;
5063
5064 if (!curve->cpfx) {
5065 curve = (TTPOLYCURVE *)&curve->apfx[curve->cpfx];
5066 continue;
5067 }
5068
5069 pt_flt = convert_fixed_to_float(curve->apfx, curve->cpfx, emsquare);
5070
5071 attempt_line_merge(outline, outline->count - 1, &pt_flt[0], to_curve, cos_table);
5072
5073 if (to_curve)
5074 {
5075 HRESULT hr;
5076 int count = curve->cpfx;
5077 j = 0;
5078
5079 while (count > 2)
5080 {
5081 D3DXVECTOR2 bezier_end;
5082
5083 D3DXVec2Scale(&bezier_end, D3DXVec2Add(&bezier_end, &pt_flt[j], &pt_flt[j+1]), 0.5f);
5084 hr = add_bezier_points(outline, &bezier_start, &pt_flt[j], &bezier_end, max_deviation_sq);
5085 if (hr != S_OK)
5086 return hr;
5087 bezier_start = bezier_end;
5088 count--;
5089 j++;
5090 }
5091 hr = add_bezier_points(outline, &bezier_start, &pt_flt[j], &pt_flt[j+1], max_deviation_sq);
5092 if (hr != S_OK)
5093 return hr;
5094
5095 pt = add_points(outline, 1);
5096 if (!pt)
5097 return E_OUTOFMEMORY;
5098 j++;
5099 pt->pos = pt_flt[j];
5100 pt->corner = POINTTYPE_CURVE_END;
5101 } else {
5102 pt = add_points(outline, curve->cpfx);
5103 if (!pt)
5104 return E_OUTOFMEMORY;
5105 for (j = 0; j < curve->cpfx; j++)
5106 {
5107 pt->pos = pt_flt[j];
5108 pt->corner = POINTTYPE_CORNER;
5109 pt++;
5110 }
5111 }
5112
5113 curve = (TTPOLYCURVE *)&curve->apfx[curve->cpfx];
5114 }
5115
5116 /* remove last point if the next line continues the last line */
5117 if (outline->count >= 3) {
5118 BOOL to_curve;
5119
5120 lastpt = &outline->items[outline->count - 1];
5121 pt = &outline->items[0];
5122 if (pt->pos.x == lastpt->pos.x && pt->pos.y == lastpt->pos.y) {
5123 if (lastpt->corner == POINTTYPE_CURVE_END)
5124 {
5125 if (pt->corner == POINTTYPE_CURVE_START)
5126 pt->corner = POINTTYPE_CURVE_MIDDLE;
5127 else
5128 pt->corner = POINTTYPE_CURVE_END;
5129 }
5130 outline->count--;
5131 lastpt = &outline->items[outline->count - 1];
5132 } else {
5133 /* outline closed with a line from end to start point */
5134 attempt_line_merge(outline, outline->count - 1, &pt->pos, FALSE, cos_table);
5135 }
5136 lastpt = &outline->items[0];
5137 to_curve = lastpt->corner != POINTTYPE_CORNER && lastpt->corner != POINTTYPE_CURVE_END;
5138 if (lastpt->corner == POINTTYPE_CURVE_START)
5139 lastpt->corner = POINTTYPE_CORNER;
5140 pt = &outline->items[1];
5141 if (attempt_line_merge(outline, 0, &pt->pos, to_curve, cos_table))
5142 *lastpt = outline->items[outline->count];
5143 }
5144
5145 lastpt = &outline->items[outline->count - 1];
5146 pt = &outline->items[0];
5147 unit_vec2(&lastdir, &lastpt->pos, &pt->pos);
5148 for (j = 0; j < outline->count; j++)
5149 {
5150 D3DXVECTOR2 curdir;
5151
5152 lastpt = pt;
5153 pt = &outline->items[(j + 1) % outline->count];
5154 unit_vec2(&curdir, &lastpt->pos, &pt->pos);
5155
5156 switch (lastpt->corner)
5157 {
5158 case POINTTYPE_CURVE_START:
5159 case POINTTYPE_CURVE_END:
5160 if (!is_direction_similar(&lastdir, &curdir, cos_table->cos_45))
5161 lastpt->corner = POINTTYPE_CORNER;
5162 break;
5163 case POINTTYPE_CURVE_MIDDLE:
5164 if (!is_direction_similar(&lastdir, &curdir, cos_table->cos_90))
5165 lastpt->corner = POINTTYPE_CORNER;
5166 else
5167 lastpt->corner = POINTTYPE_CURVE;
5168 break;
5169 default:
5170 break;
5171 }
5172 lastdir = curdir;
5173 }
5174
5175 header = (TTPOLYGONHEADER *)((char *)header + header->cb);
5176 }
5177 return S_OK;
5178 }
5179
5180 /* Get the y-distance from a line to a point */
5181 static float get_line_to_point_y_distance(D3DXVECTOR2 *line_pt1,
5182 D3DXVECTOR2 *line_pt2,
5183 D3DXVECTOR2 *point)
5184 {
5185 D3DXVECTOR2 line_vec = {0, 0};
5186 float line_pt_dx;
5187 float line_y;
5188
5189 D3DXVec2Subtract(&line_vec, line_pt2, line_pt1);
5190 line_pt_dx = point->x - line_pt1->x;
5191 line_y = line_pt1->y + (line_vec.y * line_pt_dx) / line_vec.x;
5192 return point->y - line_y;
5193 }
5194
5195 static D3DXVECTOR2 *get_indexed_point(struct point2d_index *pt_idx)
5196 {
5197 return &pt_idx->outline->items[pt_idx->vertex].pos;
5198 }
5199
5200 static D3DXVECTOR2 *get_ordered_vertex(struct glyphinfo *glyph, WORD index)
5201 {
5202 return get_indexed_point(&glyph->ordered_vertices.items[index]);
5203 }
5204
5205 static void remove_triangulation(struct triangulation_array *array, struct triangulation *item)
5206 {
5207 HeapFree(GetProcessHeap(), 0, item->vertex_stack.items);
5208 MoveMemory(item, item + 1, (char*)&array->items[array->count] - (char*)(item + 1));
5209 array->count--;
5210 }
5211
5212 static HRESULT triangulation_add_point(struct triangulation **t_ptr,
5213 struct triangulation_array *triangulations,
5214 WORD vtx_idx,
5215 BOOL to_top)
5216 {
5217 struct glyphinfo *glyph = triangulations->glyph;
5218 struct triangulation *t = *t_ptr;
5219 HRESULT hr;
5220 face *face;
5221 int f1, f2;
5222
5223 if (t->last_on_top) {
5224 f1 = 1;
5225 f2 = 2;
5226 } else {
5227 f1 = 2;
5228 f2 = 1;
5229 }
5230
5231 if (t->last_on_top != to_top && t->vertex_stack.count > 1) {
5232 /* consume all vertices on the stack */
5233 WORD last_pt = t->vertex_stack.items[0];
5234 int i;
5235 for (i = 1; i < t->vertex_stack.count; i++)
5236 {
5237 face = add_face(&glyph->faces);
5238 if (!face) return E_OUTOFMEMORY;
5239 (*face)[0] = vtx_idx;
5240 (*face)[f1] = last_pt;
5241 (*face)[f2] = last_pt = t->vertex_stack.items[i];
5242 }
5243 t->vertex_stack.items[0] = last_pt;
5244 t->vertex_stack.count = 1;
5245 } else if (t->vertex_stack.count > 1) {
5246 int i = t->vertex_stack.count - 1;
5247 D3DXVECTOR2 *point = get_ordered_vertex(glyph, vtx_idx);
5248 WORD top_idx = t->vertex_stack.items[i--];
5249 D3DXVECTOR2 *top_pt = get_ordered_vertex(glyph, top_idx);
5250
5251 while (i >= 0)
5252 {
5253 WORD prev_idx = t->vertex_stack.items[i--];
5254 D3DXVECTOR2 *prev_pt = get_ordered_vertex(glyph, prev_idx);
5255
5256 if (prev_pt->x != top_pt->x &&
5257 ((to_top && get_line_to_point_y_distance(prev_pt, top_pt, point) > 0) ||
5258 (!to_top && get_line_to_point_y_distance(prev_pt, top_pt, point) < 0)))
5259 break;
5260
5261 face = add_face(&glyph->faces);
5262 if (!face) return E_OUTOFMEMORY;
5263 (*face)[0] = vtx_idx;
5264 (*face)[f1] = prev_idx;
5265 (*face)[f2] = top_idx;
5266
5267 top_pt = prev_pt;
5268 top_idx = prev_idx;
5269 t->vertex_stack.count--;
5270 }
5271 }
5272 t->last_on_top = to_top;
5273
5274 hr = add_vertex_index(&t->vertex_stack, vtx_idx);
5275
5276 if (hr == S_OK && t->merging) {
5277 struct triangulation *t2;
5278
5279 t2 = to_top ? t - 1 : t + 1;
5280 t2->merging = FALSE;
5281 hr = triangulation_add_point(&t2, triangulations, vtx_idx, to_top);
5282 if (hr != S_OK) return hr;
5283 remove_triangulation(triangulations, t);
5284 if (t2 > t)
5285 t2--;
5286 *t_ptr = t2;
5287 }
5288 return hr;
5289 }
5290
5291 /* check if the point is next on the outline for either the top or bottom */
5292 static D3DXVECTOR2 *triangulation_get_next_point(struct triangulation *t, struct glyphinfo *glyph, BOOL on_top)
5293 {
5294 int i = t->last_on_top == on_top ? t->vertex_stack.count - 1 : 0;
5295 WORD idx = t->vertex_stack.items[i];
5296 struct point2d_index *pt_idx = &glyph->ordered_vertices.items[idx];
5297 struct outline *outline = pt_idx->outline;
5298
5299 if (on_top)
5300 i = (pt_idx->vertex + outline->count - 1) % outline->count;
5301 else
5302 i = (pt_idx->vertex + 1) % outline->count;
5303
5304 return &outline->items[i].pos;
5305 }
5306
5307 static int compare_vertex_indices(const void *a, const void *b)
5308 {
5309 const struct point2d_index *idx1 = a, *idx2 = b;
5310 const D3DXVECTOR2 *p1 = &idx1->outline->items[idx1->vertex].pos;
5311 const D3DXVECTOR2 *p2 = &idx2->outline->items[idx2->vertex].pos;
5312 float diff = p1->x - p2->x;
5313
5314 if (diff == 0.0f)
5315 diff = p1->y - p2->y;
5316
5317 return diff == 0.0f ? 0 : (diff > 0.0f ? -1 : 1);
5318 }
5319
5320 static HRESULT triangulate(struct triangulation_array *triangulations)
5321 {
5322 int sweep_idx;
5323 HRESULT hr;
5324 struct glyphinfo *glyph = triangulations->glyph;
5325 int nb_vertices = 0;
5326 int i;
5327 struct point2d_index *idx_ptr;
5328
5329 for (i = 0; i < glyph->outlines.count; i++)
5330 nb_vertices += glyph->outlines.items[i].count;
5331
5332 glyph->ordered_vertices.items = HeapAlloc(GetProcessHeap(), 0,
5333 nb_vertices * sizeof(*glyph->ordered_vertices.items));
5334 if (!glyph->ordered_vertices.items)
5335 return E_OUTOFMEMORY;
5336
5337 idx_ptr = glyph->ordered_vertices.items;
5338 for (i = 0; i < glyph->outlines.count; i++)
5339 {
5340 struct outline *outline = &glyph->outlines.items[i];
5341 int j;
5342
5343 idx_ptr->outline = outline;
5344 idx_ptr->vertex = 0;
5345 idx_ptr++;
5346 for (j = outline->count - 1; j > 0; j--)
5347 {
5348 idx_ptr->outline = outline;
5349 idx_ptr->vertex = j;
5350 idx_ptr++;
5351 }
5352 }
5353 glyph->ordered_vertices.count = nb_vertices;
5354
5355 /* Native implementation seems to try to create a triangle fan from
5356 * the first outline point if the glyph only has one outline. */
5357 if (glyph->outlines.count == 1)
5358 {
5359 struct outline *outline = glyph->outlines.items;
5360 D3DXVECTOR2 *base = &outline->items[0].pos;
5361 D3DXVECTOR2 *last = &outline->items[1].pos;
5362 float ccw = 0;
5363
5364 for (i = 2; i < outline->count; i++)
5365 {
5366 D3DXVECTOR2 *next = &outline->items[i].pos;
5367 D3DXVECTOR2 v1 = {0.0f, 0.0f};
5368 D3DXVECTOR2 v2 = {0.0f, 0.0f};
5369
5370 D3DXVec2Subtract(&v1, base, last);
5371 D3DXVec2Subtract(&v2, last, next);
5372 ccw = D3DXVec2CCW(&v1, &v2);
5373 if (ccw > 0.0f)
5374 break;
5375
5376 last = next;
5377 }
5378 if (ccw <= 0)
5379 {
5380 glyph->faces.items = HeapAlloc(GetProcessHeap(), 0,
5381 (outline->count - 2) * sizeof(glyph->faces.items[0]));
5382 if (!glyph->faces.items)
5383 return E_OUTOFMEMORY;
5384
5385 glyph->faces.count = outline->count - 2;
5386 for (i = 0; i < glyph->faces.count; i++)
5387 {
5388 glyph->faces.items[i][0] = 0;
5389 glyph->faces.items[i][1] = i + 1;
5390 glyph->faces.items[i][2] = i + 2;
5391 }
5392 return S_OK;
5393 }
5394 }
5395
5396 /* Perform 2D polygon triangulation for complex glyphs.
5397 * Triangulation is performed using a sweep line concept, from right to left,
5398 * by processing vertices in sorted order. Complex polygons are split into
5399 * monotone polygons which are triangulated separately. */
5400 /* FIXME: The order of the faces is not consistent with the native implementation. */
5401
5402 /* Reserve space for maximum possible faces from triangulation.
5403 * # faces for outer outlines = outline->count - 2
5404 * # faces for inner outlines = outline->count + 2
5405 * There must be at least 1 outer outline. */
5406 glyph->faces.items = HeapAlloc(GetProcessHeap(), 0,
5407 (nb_vertices + glyph->outlines.count * 2 - 4) * sizeof(glyph->faces.items[0]));
5408 if (!glyph->faces.items)
5409 return E_OUTOFMEMORY;
5410
5411 qsort(glyph->ordered_vertices.items, nb_vertices,
5412 sizeof(glyph->ordered_vertices.items[0]), compare_vertex_indices);
5413 for (sweep_idx = 0; sweep_idx < glyph->ordered_vertices.count; sweep_idx++)
5414 {
5415 int start = 0;
5416 int end = triangulations->count;
5417
5418 while (start < end)
5419 {
5420 D3DXVECTOR2 *sweep_vtx = get_ordered_vertex(glyph, sweep_idx);
5421 int current = (start + end) / 2;
5422 struct triangulation *t = &triangulations->items[current];
5423 BOOL on_top_outline = FALSE;
5424 D3DXVECTOR2 *top_next, *bottom_next;
5425 WORD top_idx, bottom_idx;
5426
5427 if (t->merging && t->last_on_top)
5428 top_next = triangulation_get_next_point(t + 1, glyph, TRUE);
5429 else
5430 top_next = triangulation_get_next_point(t, glyph, TRUE);
5431 if (sweep_vtx == top_next)
5432 {
5433 if (t->merging && t->last_on_top)
5434 t++;
5435 hr = triangulation_add_point(&t, triangulations, sweep_idx, TRUE);
5436 if (hr != S_OK) return hr;
5437
5438 if (t + 1 < &triangulations->items[triangulations->count] &&
5439 triangulation_get_next_point(t + 1, glyph, FALSE) == sweep_vtx)
5440 {
5441 /* point also on bottom outline of higher triangulation */
5442 struct triangulation *t2 = t + 1;
5443 hr = triangulation_add_point(&t2, triangulations, sweep_idx, FALSE);
5444 if (hr != S_OK) return hr;
5445
5446 t->merging = TRUE;
5447 t2->merging = TRUE;
5448 }
5449 on_top_outline = TRUE;
5450 }
5451
5452 if (t->merging && !t->last_on_top)
5453 bottom_next = triangulation_get_next_point(t - 1, glyph, FALSE);
5454 else
5455 bottom_next = triangulation_get_next_point(t, glyph, FALSE);
5456 if (sweep_vtx == bottom_next)
5457 {
5458 if (t->merging && !t->last_on_top)
5459 t--;
5460 if (on_top_outline) {
5461 /* outline finished */
5462 remove_triangulation(triangulations, t);
5463 break;
5464 }
5465
5466 hr = triangulation_add_point(&t, triangulations, sweep_idx, FALSE);
5467 if (hr != S_OK) return hr;
5468
5469 if (t > triangulations->items &&
5470 triangulation_get_next_point(t - 1, glyph, TRUE) == sweep_vtx)
5471 {
5472 struct triangulation *t2 = t - 1;
5473 /* point also on top outline of lower triangulation */
5474 hr = triangulation_add_point(&t2, triangulations, sweep_idx, TRUE);
5475 if (hr != S_OK) return hr;
5476 t = t2 + 1; /* t may be invalidated by triangulation merging */
5477
5478 t->merging = TRUE;
5479 t2->merging = TRUE;
5480 }
5481 break;
5482 }
5483 if (on_top_outline)
5484 break;
5485
5486 if (t->last_on_top) {
5487 top_idx = t->vertex_stack.items[t->vertex_stack.count - 1];
5488 bottom_idx = t->vertex_stack.items[0];
5489 } else {
5490 top_idx = t->vertex_stack.items[0];
5491 bottom_idx = t->vertex_stack.items[t->vertex_stack.count - 1];
5492 }
5493
5494 /* check if the point is inside or outside this polygon */
5495 if (get_line_to_point_y_distance(get_ordered_vertex(glyph, top_idx),
5496 top_next, sweep_vtx) > 0)
5497 { /* above */
5498 start = current + 1;
5499 } else if (get_line_to_point_y_distance(get_ordered_vertex(glyph, bottom_idx),
5500 bottom_next, sweep_vtx) < 0)
5501 { /* below */
5502 end = current;
5503 } else if (t->merging) {
5504 /* inside, so cancel merging */
5505 struct triangulation *t2 = t->last_on_top ? t + 1 : t - 1;
5506 t->merging = FALSE;
5507 t2->merging = FALSE;
5508 hr = triangulation_add_point(&t, triangulations, sweep_idx, t->last_on_top);
5509 if (hr != S_OK) return hr;
5510 hr = triangulation_add_point(&t2, triangulations, sweep_idx, t2->last_on_top);
5511 if (hr != S_OK) return hr;
5512 break;
5513 } else {
5514 /* inside, so split polygon into two monotone parts */
5515 struct triangulation *t2 = add_triangulation(triangulations);
5516 if (!t2) return E_OUTOFMEMORY;
5517 MoveMemory(t + 1, t, (char*)(t2 + 1) - (char*)t);
5518 if (t->last_on_top) {
5519 t2 = t + 1;
5520 } else {
5521 t2 = t;
5522 t++;
5523 }
5524
5525 ZeroMemory(&t2->vertex_stack, sizeof(t2->vertex_stack));
5526 hr = add_vertex_index(&t2->vertex_stack, t->vertex_stack.items[t->vertex_stack.count - 1]);
5527 if (hr != S_OK) return hr;
5528 hr = add_vertex_index(&t2->vertex_stack, sweep_idx);
5529 if (hr != S_OK) return hr;
5530 t2->last_on_top = !t->last_on_top;
5531
5532 hr = triangulation_add_point(&t, triangulations, sweep_idx, t->last_on_top);
5533 if (hr != S_OK) return hr;
5534 break;
5535 }
5536 }
5537 if (start >= end)
5538 {
5539 struct triangulation *t;
5540 struct triangulation *t2 = add_triangulation(triangulations);
5541 if (!t2) return E_OUTOFMEMORY;
5542 t = &triangulations->items[start];
5543 MoveMemory(t + 1, t, (char*)(t2 + 1) - (char*)t);
5544 ZeroMemory(t, sizeof(*t));
5545 hr = add_vertex_index(&t->vertex_stack, sweep_idx);
5546 if (hr != S_OK) return hr;
5547 }
5548 }
5549 return S_OK;
5550 }
5551
5552 HRESULT WINAPI D3DXCreateTextW(struct IDirect3DDevice9 *device, HDC hdc, const WCHAR *text, float deviation,
5553 float extrusion, struct ID3DXMesh **mesh_ptr, struct ID3DXBuffer **adjacency, GLYPHMETRICSFLOAT *glyphmetrics)
5554 {
5555 HRESULT hr;
5556 ID3DXMesh *mesh = NULL;
5557 DWORD nb_vertices, nb_faces;
5558 DWORD nb_front_faces, nb_corners, nb_outline_points;
5559 struct vertex *vertices = NULL;
5560 face *faces = NULL;
5561 int textlen = 0;
5562 float offset_x;
5563 LOGFONTW lf;
5564 OUTLINETEXTMETRICW otm;
5565 HFONT font = NULL, oldfont = NULL;
5566 const MAT2 identity = {{0, 1}, {0, 0}, {0, 0}, {0, 1}};
5567 void *raw_outline = NULL;
5568 int bufsize = 0;
5569 struct glyphinfo *glyphs = NULL;
5570 GLYPHMETRICS gm;
5571 struct triangulation_array triangulations = {0, 0, NULL};
5572 int i;
5573 struct vertex *vertex_ptr;
5574 face *face_ptr;
5575 float max_deviation_sq;
5576 const struct cos_table cos_table = {
5577 cos(D3DXToRadian(0.5f)),
5578 cos(D3DXToRadian(45.0f)),
5579 cos(D3DXToRadian(90.0f)),
5580 };
5581 int f1, f2;
5582
5583 TRACE("(%p, %p, %s, %f, %f, %p, %p, %p)\n", device, hdc,
5584 debugstr_w(text), deviation, extrusion, mesh_ptr, adjacency, glyphmetrics);
5585
5586 if (!device || !hdc || !text || !*text || deviation < 0.0f || extrusion < 0.0f || !mesh_ptr)
5587 return D3DERR_INVALIDCALL;
5588
5589 if (adjacency)
5590 {
5591 FIXME("Case of adjacency != NULL not implemented.\n");
5592 return E_NOTIMPL;
5593 }
5594
5595 if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(lf), &lf) ||
5596 !GetOutlineTextMetricsW(hdc, sizeof(otm), &otm))
5597 {
5598 return D3DERR_INVALIDCALL;
5599 }
5600
5601 if (deviation == 0.0f)
5602 deviation = 1.0f / otm.otmEMSquare;
5603 max_deviation_sq = deviation * deviation;
5604
5605 lf.lfHeight = otm.otmEMSquare;
5606 lf.lfWidth = 0;
5607 font = CreateFontIndirectW(&lf);
5608 if (!font) {
5609 hr = E_OUTOFMEMORY;
5610 goto error;
5611 }
5612 oldfont = SelectObject(hdc, font);
5613
5614 textlen = strlenW(text);
5615 for (i = 0; i < textlen; i++)
5616 {
5617 int datasize = GetGlyphOutlineW(hdc, text[i], GGO_NATIVE, &gm, 0, NULL, &identity);
5618 if (datasize < 0)
5619 return D3DERR_INVALIDCALL;
5620 if (bufsize < datasize)
5621 bufsize = datasize;
5622 }
5623 if (!bufsize) { /* e.g. text == " " */
5624 hr = D3DERR_INVALIDCALL;
5625 goto error;
5626 }
5627
5628 glyphs = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, textlen * sizeof(*glyphs));
5629 raw_outline = HeapAlloc(GetProcessHeap(), 0, bufsize);
5630 if (!glyphs || !raw_outline) {
5631 hr = E_OUTOFMEMORY;
5632 goto error;
5633 }
5634
5635 offset_x = 0.0f;
5636 for (i = 0; i < textlen; i++)
5637 {
5638 /* get outline points from data returned from GetGlyphOutline */
5639 int datasize;
5640
5641 glyphs[i].offset_x = offset_x;
5642
5643 datasize = GetGlyphOutlineW(hdc, text[i], GGO_NATIVE, &gm, bufsize, raw_outline, &identity);
5644 hr = create_outline(&glyphs[i], raw_outline, datasize,
5645 max_deviation_sq, otm.otmEMSquare, &cos_table);
5646 if (hr != S_OK) goto error;
5647
5648 triangulations.glyph = &glyphs[i];
5649 hr = triangulate(&triangulations);
5650 if (hr != S_OK) goto error;
5651 if (triangulations.count) {
5652 ERR("%d incomplete triangulations of glyph (%u).\n", triangulations.count, text[i]);
5653 triangulations.count = 0;
5654 }
5655
5656 if (glyphmetrics)
5657 {
5658 glyphmetrics[i].gmfBlackBoxX = gm.gmBlackBoxX / (float)otm.otmEMSquare;
5659 glyphmetrics[i].gmfBlackBoxY = gm.gmBlackBoxY / (float)otm.otmEMSquare;
5660 glyphmetrics[i].gmfptGlyphOrigin.x = gm.gmptGlyphOrigin.x / (float)otm.otmEMSquare;
5661 glyphmetrics[i].gmfptGlyphOrigin.y = gm.gmptGlyphOrigin.y / (float)otm.otmEMSquare;
5662 glyphmetrics[i].gmfCellIncX = gm.gmCellIncX / (float)otm.otmEMSquare;
5663 glyphmetrics[i].gmfCellIncY = gm.gmCellIncY / (float)otm.otmEMSquare;
5664 }
5665 offset_x += gm.gmCellIncX / (float)otm.otmEMSquare;
5666 }
5667
5668 /* corner points need an extra vertex for the different side faces normals */
5669 nb_corners = 0;
5670 nb_outline_points = 0;
5671 nb_front_faces = 0;
5672 for (i = 0; i < textlen; i++)
5673 {
5674 int j;
5675 nb_outline_points += glyphs[i].ordered_vertices.count;
5676 nb_front_faces += glyphs[i].faces.count;
5677 for (j = 0; j < glyphs[i].outlines.count; j++)
5678 {
5679 int k;
5680 struct outline *outline = &glyphs[i].outlines.items[j];
5681 nb_corners++; /* first outline point always repeated as a corner */
5682 for (k = 1; k < outline->count; k++)
5683 if (outline->items[k].corner)
5684 nb_corners++;
5685 }
5686 }
5687
5688 nb_vertices = (nb_outline_points + nb_corners) * 2 + nb_outline_points * 2;
5689 nb_faces = nb_outline_points * 2 + nb_front_faces * 2;
5690
5691
5692 hr = D3DXCreateMeshFVF(nb_faces, nb_vertices, D3DXMESH_MANAGED,
5693 D3DFVF_XYZ | D3DFVF_NORMAL, device, &mesh);
5694 if (FAILED(hr))
5695 goto error;
5696
5697 hr = mesh->lpVtbl->LockVertexBuffer(mesh, 0, (LPVOID *)&vertices);
5698 if (FAILED(hr))
5699 goto error;
5700
5701 hr = mesh->lpVtbl->LockIndexBuffer(mesh, 0, (LPVOID *)&faces);
5702 if (FAILED(hr))
5703 goto error;
5704
5705 /* convert 2D vertices and faces into 3D mesh */
5706 vertex_ptr = vertices;
5707 face_ptr = faces;
5708 if (extrusion == 0.0f) {
5709 f1 = 1;
5710 f2 = 2;
5711 } else {
5712 f1 = 2;
5713 f2 = 1;
5714 }
5715 for (i = 0; i < textlen; i++)
5716 {
5717 int j;
5718 int count;
5719 struct vertex *back_vertices;
5720 face *back_faces;
5721
5722 /* side vertices and faces */
5723 for (j = 0; j < glyphs[i].outlines.count; j++)
5724 {
5725 struct vertex *outline_vertices = vertex_ptr;
5726 struct outline *outline = &glyphs[i].outlines.items[j];
5727 int k;
5728 struct point2d *prevpt = &outline->items[outline->count - 1];
5729 struct point2d *pt = &outline->items[0];
5730
5731 for (k = 1; k <= outline->count; k++)
5732 {
5733 struct vertex vtx;
5734 struct point2d *nextpt = &outline->items[k % outline->count];
5735 WORD vtx_idx = vertex_ptr - vertices;
5736 D3DXVECTOR2 vec;
5737
5738 if (pt->corner == POINTTYPE_CURVE_START)
5739 D3DXVec2Subtract(&vec, &pt->pos, &prevpt->pos);
5740 else if (pt->corner)
5741 D3DXVec2Subtract(&vec, &nextpt->pos, &pt->pos);
5742 else
5743 D3DXVec2Subtract(&vec, &nextpt->pos, &prevpt->pos);
5744 D3DXVec2Normalize(&vec, &vec);
5745 vtx.normal.x = -vec.y;
5746 vtx.normal.y = vec.x;
5747 vtx.normal.z = 0;
5748
5749 vtx.position.x = pt->pos.x + glyphs[i].offset_x;
5750 vtx.position.y = pt->pos.y;
5751 vtx.position.z = 0;
5752 *vertex_ptr++ = vtx;
5753
5754 vtx.position.z = -extrusion;
5755 *vertex_ptr++ = vtx;
5756
5757 vtx.position.x = nextpt->pos.x + glyphs[i].offset_x;
5758 vtx.position.y = nextpt->pos.y;
5759 if (pt->corner && nextpt->corner && nextpt->corner != POINTTYPE_CURVE_END) {
5760 vtx.position.z = -extrusion;
5761 *vertex_ptr++ = vtx;
5762 vtx.position.z = 0;
5763 *vertex_ptr++ = vtx;
5764
5765 (*face_ptr)[0] = vtx_idx;
5766 (*face_ptr)[1] = vtx_idx + 2;
5767 (*face_ptr)[2] = vtx_idx + 1;
5768 face_ptr++;
5769
5770 (*face_ptr)[0] = vtx_idx;
5771 (*face_ptr)[1] = vtx_idx + 3;
5772 (*face_ptr)[2] = vtx_idx + 2;
5773 face_ptr++;
5774 } else {
5775 if (nextpt->corner) {
5776 if (nextpt->corner == POINTTYPE_CURVE_END) {
5777 D3DXVECTOR2 *nextpt2 = &outline->items[(k + 1) % outline->count].pos;
5778 D3DXVec2Subtract(&vec, nextpt2, &nextpt->pos);
5779 } else {
5780 D3DXVec2Subtract(&vec, &nextpt->pos, &pt->pos);
5781 }
5782 D3DXVec2Normalize(&vec, &vec);
5783 vtx.normal.x = -vec.y;
5784 vtx.normal.y = vec.x;
5785
5786 vtx.position.z = 0;
5787 *vertex_ptr++ = vtx;
5788 vtx.position.z = -extrusion;
5789 *vertex_ptr++ = vtx;
5790 }
5791
5792 (*face_ptr)[0] = vtx_idx;
5793 (*face_ptr)[1] = vtx_idx + 3;
5794 (*face_ptr)[2] = vtx_idx + 1;
5795 face_ptr++;
5796
5797 (*face_ptr)[0] = vtx_idx;
5798 (*face_ptr)[1] = vtx_idx + 2;
5799 (*face_ptr)[2] = vtx_idx + 3;
5800 face_ptr++;
5801 }
5802
5803 prevpt = pt;
5804 pt = nextpt;
5805 }
5806 if (!pt->corner) {
5807 *vertex_ptr++ = *outline_vertices++;
5808 *vertex_ptr++ = *outline_vertices++;
5809 }
5810 }
5811
5812 /* back vertices and faces */
5813 back_faces = face_ptr;
5814 back_vertices = vertex_ptr;
5815 for (j = 0; j < glyphs[i].ordered_vertices.count; j++)
5816 {
5817 D3DXVECTOR2 *pt = get_ordered_vertex(&glyphs[i], j);
5818 vertex_ptr->position.x = pt->x + glyphs[i].offset_x;
5819 vertex_ptr->position.y = pt->y;
5820 vertex_ptr->position.z = 0;
5821 vertex_ptr->normal.x = 0;
5822 vertex_ptr->normal.y = 0;
5823 vertex_ptr->normal.z = 1;
5824 vertex_ptr++;
5825 }
5826 count = back_vertices - vertices;
5827 for (j = 0; j < glyphs[i].faces.count; j++)
5828 {
5829 face *f = &glyphs[i].faces.items[j];
5830 (*face_ptr)[0] = (*f)[0] + count;
5831 (*face_ptr)[1] = (*f)[1] + count;
5832 (*face_ptr)[2] = (*f)[2] + count;
5833 face_ptr++;
5834 }
5835
5836 /* front vertices and faces */
5837 j = count = vertex_ptr - back_vertices;
5838 while (j--)
5839 {
5840 vertex_ptr->position.x = back_vertices->position.x;
5841 vertex_ptr->position.y = back_vertices->position.y;
5842 vertex_ptr->position.z = -extrusion;
5843 vertex_ptr->normal.x = 0;
5844 vertex_ptr->normal.y = 0;
5845 vertex_ptr->normal.z = extrusion == 0.0f ? 1.0f : -1.0f;
5846 vertex_ptr++;
5847 back_vertices++;
5848 }
5849 j = face_ptr - back_faces;
5850 while (j--)
5851 {
5852 (*face_ptr)[0] = (*back_faces)[0] + count;
5853 (*face_ptr)[1] = (*back_faces)[f1] + count;
5854 (*face_ptr)[2] = (*back_faces)[f2] + count;
5855 face_ptr++;
5856 back_faces++;
5857 }
5858 }
5859
5860 *mesh_ptr = mesh;
5861 hr = D3D_OK;
5862 error:
5863 if (mesh) {
5864 if (faces) mesh->lpVtbl->UnlockIndexBuffer(mesh);
5865 if (vertices) mesh->lpVtbl->UnlockVertexBuffer(mesh);
5866 if (hr != D3D_OK) mesh->lpVtbl->Release(mesh);
5867 }
5868 if (glyphs) {
5869 for (i = 0; i < textlen; i++)
5870 {
5871 int j;
5872 for (j = 0; j < glyphs[i].outlines.count; j++)
5873 HeapFree(GetProcessHeap(), 0, glyphs[i].outlines.items[j].items);
5874 HeapFree(GetProcessHeap(), 0, glyphs[i].outlines.items);
5875 HeapFree(GetProcessHeap(), 0, glyphs[i].faces.items);
5876 HeapFree(GetProcessHeap(), 0, glyphs[i].ordered_vertices.items);
5877 }
5878 HeapFree(GetProcessHeap(), 0, glyphs);
5879 }
5880 if (triangulations.items) {
5881 int i;
5882 for (i = 0; i < triangulations.count; i++)
5883 HeapFree(GetProcessHeap(), 0, triangulations.items[i].vertex_stack.items);
5884 HeapFree(GetProcessHeap(), 0, triangulations.items);
5885 }
5886 HeapFree(GetProcessHeap(), 0, raw_outline);
5887 if (oldfont) SelectObject(hdc, oldfont);
5888 if (font) DeleteObject(font);
5889
5890 return hr;
5891 }
5892
5893 HRESULT WINAPI D3DXValidMesh(LPD3DXMESH mesh, CONST DWORD *adjacency, LPD3DXBUFFER *errors_and_warnings)
5894 {
5895 FIXME("(%p, %p, %p): stub\n", mesh, adjacency, *errors_and_warnings);
5896
5897 return E_NOTIMPL;
5898 }
5899
5900 static BOOL weld_float1(void *to, void *from, FLOAT epsilon)
5901 {
5902 FLOAT *v1 = to;
5903 FLOAT *v2 = from;
5904
5905 if (fabsf(*v1 - *v2) <= epsilon)
5906 {
5907 *v1 = *v2;
5908
5909 return TRUE;
5910 }
5911
5912 return FALSE;
5913 }
5914
5915 static BOOL weld_float2(void *to, void *from, FLOAT epsilon)
5916 {
5917 D3DXVECTOR2 *v1 = to;
5918 D3DXVECTOR2 *v2 = from;
5919 FLOAT diff_x = fabsf(v1->x - v2->x);
5920 FLOAT diff_y = fabsf(v1->y - v2->y);
5921 FLOAT max_abs_diff = max(diff_x, diff_y);
5922
5923 if (max_abs_diff <= epsilon)
5924 {
5925 memcpy(to, from, sizeof(D3DXVECTOR2));
5926
5927 return TRUE;
5928 }
5929
5930 return FALSE;
5931 }
5932
5933 static BOOL weld_float3(void *to, void *from, FLOAT epsilon)
5934 {
5935 D3DXVECTOR3 *v1 = to;
5936 D3DXVECTOR3 *v2 = from;
5937 FLOAT diff_x = fabsf(v1->x - v2->x);
5938 FLOAT diff_y = fabsf(v1->y - v2->y);
5939 FLOAT diff_z = fabsf(v1->z - v2->z);
5940 FLOAT max_abs_diff = max(diff_x, diff_y);
5941 max_abs_diff = max(diff_z, max_abs_diff);
5942
5943 if (max_abs_diff <= epsilon)
5944 {
5945 memcpy(to, from, sizeof(D3DXVECTOR3));
5946
5947 return TRUE;
5948 }
5949
5950 return FALSE;
5951 }
5952
5953 static BOOL weld_float4(void *to, void *from, FLOAT epsilon)
5954 {
5955 D3DXVECTOR4 *v1 = to;
5956 D3DXVECTOR4 *v2 = from;
5957 FLOAT diff_x = fabsf(v1->x - v2->x);
5958 FLOAT diff_y = fabsf(v1->y - v2->y);
5959 FLOAT diff_z = fabsf(v1->z - v2->z);
5960 FLOAT diff_w = fabsf(v1->w - v2->w);
5961 FLOAT max_abs_diff = fmax(diff_x, diff_y);
5962 max_abs_diff = max(diff_z, max_abs_diff);
5963 max_abs_diff = max(diff_w, max_abs_diff);
5964
5965 if (max_abs_diff <= epsilon)
5966 {
5967 memcpy(to, from, sizeof(D3DXVECTOR4));
5968
5969 return TRUE;
5970 }
5971
5972 return FALSE;
5973 }
5974
5975 static BOOL weld_ubyte4(void *to, void *from, FLOAT epsilon)
5976 {
5977 BYTE *b1 = to;
5978 BYTE *b2 = from;
5979 BYTE truncated_epsilon = (BYTE)epsilon;
5980 BYTE diff_x = b1[0] > b2[0] ? b1[0] - b2[0] : b2[0] - b1[0];
5981 BYTE diff_y = b1[1] > b2[1] ? b1[1] - b2[1] : b2[1] - b1[1];
5982 BYTE diff_z = b1[2] > b2[2] ? b1[2] - b2[2] : b2[2] - b1[2];
5983 BYTE diff_w = b1[3] > b2[3] ? b1[3] - b2[3] : b2[3] - b1[3];
5984 BYTE max_diff = max(diff_x, diff_y);
5985 max_diff = max(diff_z, max_diff);
5986 max_diff = max(diff_w, max_diff);
5987
5988 if (max_diff <= truncated_epsilon)
5989 {
5990 memcpy(to, from, 4 * sizeof(BYTE));
5991
5992 return TRUE;
5993 }
5994
5995 return FALSE;
5996 }
5997
5998 static BOOL weld_ubyte4n(void *to, void *from, FLOAT epsilon)
5999 {
6000 return weld_ubyte4(to, from, epsilon * UCHAR_MAX);
6001 }
6002
6003 static BOOL weld_d3dcolor(void *to, void *from, FLOAT epsilon)
6004 {
6005 return weld_ubyte4n(to, from, epsilon);
6006 }
6007
6008 static BOOL weld_short2(void *to, void *from, FLOAT epsilon)
6009 {
6010 SHORT *s1 = to;
6011 SHORT *s2 = from;
6012 SHORT truncated_epsilon = (SHORT)epsilon;
6013 SHORT diff_x = abs(s1[0] - s2[0]);
6014 SHORT diff_y = abs(s1[1] - s2[1]);
6015 SHORT max_abs_diff = max(diff_x, diff_y);
6016
6017 if (max_abs_diff <= truncated_epsilon)
6018 {
6019 memcpy(to, from, 2 * sizeof(SHORT));
6020
6021 return TRUE;
6022 }
6023
6024 return FALSE;
6025 }
6026
6027 static BOOL weld_short2n(void *to, void *from, FLOAT epsilon)
6028 {
6029 return weld_short2(to, from, epsilon * SHRT_MAX);
6030 }
6031
6032 static BOOL weld_short4(void *to, void *from, FLOAT epsilon)
6033 {
6034 SHORT *s1 = to;
6035 SHORT *s2 = from;
6036 SHORT truncated_epsilon = (SHORT)epsilon;
6037 SHORT diff_x = abs(s1[0] - s2[0]);
6038 SHORT diff_y = abs(s1[1] - s2[1]);
6039 SHORT diff_z = abs(s1[2] - s2[2]);
6040 SHORT diff_w = abs(s1[3] - s2[3]);
6041 SHORT max_abs_diff = max(diff_x, diff_y);
6042 max_abs_diff = max(diff_z, max_abs_diff);
6043 max_abs_diff = max(diff_w, max_abs_diff);
6044
6045 if (max_abs_diff <= truncated_epsilon)
6046 {
6047 memcpy(to, from, 4 * sizeof(SHORT));
6048
6049 return TRUE;
6050 }
6051
6052 return FALSE;
6053 }
6054
6055 static BOOL weld_short4n(void *to, void *from, FLOAT epsilon)
6056 {
6057 return weld_short4(to, from, epsilon * SHRT_MAX);
6058 }
6059
6060 static BOOL weld_ushort2n(void *to, void *from, FLOAT epsilon)
6061 {
6062 USHORT *s1 = to;
6063 USHORT *s2 = from;
6064 USHORT scaled_epsilon = (USHORT)(epsilon * USHRT_MAX);
6065 USHORT diff_x = s1[0] > s2[0] ? s1[0] - s2[0] : s2[0] - s1[0];
6066 USHORT diff_y = s1[1] > s2[1] ? s1[1] - s2[1] : s2[1] - s1[1];
6067 USHORT max_diff = max(diff_x, diff_y);
6068
6069 if (max_diff <= scaled_epsilon)
6070 {
6071 memcpy(to, from, 2 * sizeof(USHORT));
6072
6073 return TRUE;
6074 }
6075
6076 return FALSE;
6077 }
6078
6079 static BOOL weld_ushort4n(void *to, void *from, FLOAT epsilon)
6080 {
6081 USHORT *s1 = to;
6082 USHORT *s2 = from;
6083 USHORT scaled_epsilon = (USHORT)(epsilon * USHRT_MAX);
6084 USHORT diff_x = s1[0] > s2[0] ? s1[0] - s2[0] : s2[0] - s1[0];
6085 USHORT diff_y = s1[1] > s2[1] ? s1[1] - s2[1] : s2[1] - s1[1];
6086 USHORT diff_z = s1[2] > s2[2] ? s1[2] - s2[2] : s2[2] - s1[2];
6087 USHORT diff_w = s1[3] > s2[3] ? s1[3] - s2[3] : s2[3] - s1[3];
6088 USHORT max_diff = max(diff_x, diff_y);
6089 max_diff = max(diff_z, max_diff);
6090 max_diff = max(diff_w, max_diff);
6091
6092 if (max_diff <= scaled_epsilon)
6093 {
6094 memcpy(to, from, 4 * sizeof(USHORT));
6095
6096 return TRUE;
6097 }
6098
6099 return FALSE;
6100 }
6101
6102 struct udec3
6103 {
6104 UINT x;
6105 UINT y;
6106 UINT z;
6107 UINT w;
6108 };
6109
6110 static struct udec3 dword_to_udec3(DWORD d)
6111 {
6112 struct udec3 v;
6113
6114 v.x = d & 0x3ff;
6115 v.y = (d & 0xffc00) >> 10;
6116 v.z = (d & 0x3ff00000) >> 20;
6117 v.w = (d & 0xc0000000) >> 30;
6118
6119 return v;
6120 }
6121
6122 static BOOL weld_udec3(void *to, void *from, FLOAT epsilon)
6123 {
6124 DWORD *d1 = to;
6125 DWORD *d2 = from;
6126 struct udec3 v1 = dword_to_udec3(*d1);
6127 struct udec3 v2 = dword_to_udec3(*d2);
6128 UINT truncated_epsilon = (UINT)epsilon;
6129 UINT diff_x = v1.x > v2.x ? v1.x - v2.x : v2.x - v1.x;
6130 UINT diff_y = v1.y > v2.y ? v1.y - v2.y : v2.y - v1.y;
6131 UINT diff_z = v1.z > v2.z ? v1.z - v2.z : v2.z - v1.z;
6132 UINT diff_w = v1.w > v2.w ? v1.w - v2.w : v2.w - v1.w;
6133 UINT max_diff = max(diff_x, diff_y);
6134 max_diff = max(diff_z, max_diff);
6135 max_diff = max(diff_w, max_diff);
6136
6137 if (max_diff <= truncated_epsilon)
6138 {
6139 memcpy(to, from, sizeof(DWORD));
6140
6141 return TRUE;
6142 }
6143
6144 return FALSE;
6145 }
6146
6147 struct dec3n
6148 {
6149 INT x;
6150 INT y;
6151 INT z;
6152 INT w;
6153 };
6154
6155 static struct dec3n dword_to_dec3n(DWORD d)
6156 {
6157 struct dec3n v;
6158
6159 v.x = d & 0x3ff;
6160 v.y = (d & 0xffc00) >> 10;
6161 v.z = (d & 0x3ff00000) >> 20;
6162 v.w = (d & 0xc0000000) >> 30;
6163
6164 return v;
6165 }
6166
6167 static BOOL weld_dec3n(void *to, void *from, FLOAT epsilon)
6168 {
6169 const UINT MAX_DEC3N = 511;
6170 DWORD *d1 = to;
6171 DWORD *d2 = from;
6172 struct dec3n v1 = dword_to_dec3n(*d1);
6173 struct dec3n v2 = dword_to_dec3n(*d2);
6174 INT scaled_epsilon = (INT)(epsilon * MAX_DEC3N);
6175 INT diff_x = abs(v1.x - v2.x);
6176 INT diff_y = abs(v1.y - v2.y);
6177 INT diff_z = abs(v1.z - v2.z);
6178 INT diff_w = abs(v1.w - v2.w);
6179 INT max_abs_diff = max(diff_x, diff_y);
6180 max_abs_diff = max(diff_z, max_abs_diff);
6181 max_abs_diff = max(diff_w, max_abs_diff);
6182
6183 if (max_abs_diff <= scaled_epsilon)
6184 {
6185 memcpy(to, from, sizeof(DWORD));
6186
6187 return TRUE;
6188 }
6189
6190 return FALSE;
6191 }
6192
6193 static BOOL weld_float16_2(void *to, void *from, FLOAT epsilon)
6194 {
6195 D3DXFLOAT16 *v1_float16 = to;
6196 D3DXFLOAT16 *v2_float16 = from;
6197 FLOAT diff_x;
6198 FLOAT diff_y;
6199 FLOAT max_abs_diff;
6200 const UINT NUM_ELEM = 2;
6201 FLOAT v1[NUM_ELEM];
6202 FLOAT v2[NUM_ELEM];
6203
6204 D3DXFloat16To32Array(v1, v1_float16, NUM_ELEM);
6205 D3DXFloat16To32Array(v2, v2_float16, NUM_ELEM);
6206
6207 diff_x = fabsf(v1[0] - v2[0]);
6208 diff_y = fabsf(v1[1] - v2[1]);
6209 max_abs_diff = max(diff_x, diff_y);
6210
6211 if (max_abs_diff <= epsilon)
6212 {
6213 memcpy(to, from, NUM_ELEM * sizeof(D3DXFLOAT16));
6214
6215 return TRUE;
6216 }
6217
6218 return FALSE;
6219 }
6220
6221 static BOOL weld_float16_4(void *to, void *from, FLOAT epsilon)
6222 {
6223 D3DXFLOAT16 *v1_float16 = to;
6224 D3DXFLOAT16 *v2_float16 = from;
6225 FLOAT diff_x;
6226 FLOAT diff_y;
6227 FLOAT diff_z;
6228 FLOAT diff_w;
6229 FLOAT max_abs_diff;
6230 const UINT NUM_ELEM = 4;
6231 FLOAT v1[NUM_ELEM];
6232 FLOAT v2[NUM_ELEM];
6233
6234 D3DXFloat16To32Array(v1, v1_float16, NUM_ELEM);
6235 D3DXFloat16To32Array(v2, v2_float16, NUM_ELEM);
6236
6237 diff_x = fabsf(v1[0] - v2[0]);
6238 diff_y = fabsf(v1[1] - v2[1]);
6239 diff_z = fabsf(v1[2] - v2[2]);
6240 diff_w = fabsf(v1[3] - v2[3]);
6241 max_abs_diff = max(diff_x, diff_y);
6242 max_abs_diff = max(diff_z, max_abs_diff);
6243 max_abs_diff = max(diff_w, max_abs_diff);
6244
6245 if (max_abs_diff <= epsilon)
6246 {
6247 memcpy(to, from, NUM_ELEM * sizeof(D3DXFLOAT16));
6248
6249 return TRUE;
6250 }
6251
6252 return FALSE;
6253 }
6254
6255 /* Sets the vertex components to the same value if they are within epsilon. */
6256 static BOOL weld_component(void *to, void *from, D3DDECLTYPE type, FLOAT epsilon)
6257 {
6258 /* Quiet FIXMEs as this is in a loop with potentially thousand of iterations. */
6259 BOOL fixme_once_unused = FALSE;
6260 BOOL fixme_once_unknown = FALSE;
6261
6262 switch (type)
6263 {
6264 case D3DDECLTYPE_FLOAT1:
6265 return weld_float1(to, from, epsilon);
6266
6267 case D3DDECLTYPE_FLOAT2:
6268 return weld_float2(to, from, epsilon);
6269
6270 case D3DDECLTYPE_FLOAT3:
6271 return weld_float3(to, from, epsilon);
6272
6273 case D3DDECLTYPE_FLOAT4:
6274 return weld_float4(to, from, epsilon);
6275
6276 case D3DDECLTYPE_D3DCOLOR:
6277 return weld_d3dcolor(to, from, epsilon);
6278
6279 case D3DDECLTYPE_UBYTE4:
6280 return weld_ubyte4(to, from, epsilon);
6281
6282 case D3DDECLTYPE_SHORT2:
6283 return weld_short2(to, from, epsilon);
6284
6285 case D3DDECLTYPE_SHORT4:
6286 return weld_short4(to, from, epsilon);
6287
6288 case D3DDECLTYPE_UBYTE4N:
6289 return weld_ubyte4n(to, from, epsilon);
6290
6291 case D3DDECLTYPE_SHORT2N:
6292 return weld_short2n(to, from, epsilon);
6293
6294 case D3DDECLTYPE_SHORT4N:
6295 return weld_short4n(to, from, epsilon);
6296
6297 case D3DDECLTYPE_USHORT2N:
6298 return weld_ushort2n(to, from, epsilon);
6299
6300 case D3DDECLTYPE_USHORT4N:
6301 return weld_ushort4n(to, from, epsilon);
6302
6303 case D3DDECLTYPE_UDEC3:
6304 return weld_udec3(to, from, epsilon);
6305
6306 case D3DDECLTYPE_DEC3N:
6307 return weld_dec3n(to, from, epsilon);
6308
6309 case D3DDECLTYPE_FLOAT16_2:
6310 return weld_float16_2(to, from, epsilon);
6311
6312 case D3DDECLTYPE_FLOAT16_4:
6313 return weld_float16_4(to, from, epsilon);
6314
6315 case D3DDECLTYPE_UNUSED:
6316 if (!fixme_once_unused++)
6317 FIXME("D3DDECLTYPE_UNUSED welding not implemented.\n");
6318 break;
6319
6320 default:
6321 if (!fixme_once_unknown++)
6322 FIXME("Welding of unknown declaration type %d is not implemented.\n", type);
6323 break;
6324 }
6325
6326 return FALSE;
6327 }
6328
6329 static FLOAT get_component_epsilon(const D3DVERTEXELEMENT9 *decl_ptr, const D3DXWELDEPSILONS *epsilons)
6330 {
6331 FLOAT epsilon = 0.0f;
6332 /* Quiet FIXMEs as this is in a loop with potentially thousand of iterations. */
6333 static BOOL fixme_once_blendindices = FALSE;
6334 static BOOL fixme_once_positiont = FALSE;
6335 static BOOL fixme_once_fog = FALSE;
6336 static BOOL fixme_once_depth = FALSE;
6337 static BOOL fixme_once_sample = FALSE;
6338 static BOOL fixme_once_unknown = FALSE;
6339
6340 switch (decl_ptr->Usage)
6341 {
6342 case D3DDECLUSAGE_POSITION:
6343 epsilon = epsilons->Position;
6344 break;
6345 case D3DDECLUSAGE_BLENDWEIGHT:
6346 epsilon = epsilons->BlendWeights;
6347 break;
6348 case D3DDECLUSAGE_NORMAL:
6349 epsilon = epsilons->Normals;
6350 break;
6351 case D3DDECLUSAGE_PSIZE:
6352 epsilon = epsilons->PSize;
6353 break;
6354 case D3DDECLUSAGE_TEXCOORD:
6355 {
6356 BYTE usage_index = decl_ptr->UsageIndex;
6357 if (usage_index > 7)
6358 usage_index = 7;
6359 epsilon = epsilons->Texcoords[usage_index];
6360 break;
6361 }
6362 case D3DDECLUSAGE_TANGENT:
6363 epsilon = epsilons->Tangent;
6364 break;
6365 case D3DDECLUSAGE_BINORMAL:
6366 epsilon = epsilons->Binormal;
6367 break;
6368 case D3DDECLUSAGE_TESSFACTOR:
6369 epsilon = epsilons->TessFactor;
6370 break;
6371 case D3DDECLUSAGE_COLOR:
6372 if (decl_ptr->UsageIndex == 0)
6373 epsilon = epsilons->Diffuse;
6374 else if (decl_ptr->UsageIndex == 1)
6375 epsilon = epsilons->Specular;
6376 else
6377 epsilon = 1e-6f;
6378 break;
6379 case D3DDECLUSAGE_BLENDINDICES:
6380 if (!fixme_once_blendindices++)
6381 FIXME("D3DDECLUSAGE_BLENDINDICES welding not implemented.\n");
6382 break;
6383 case D3DDECLUSAGE_POSITIONT:
6384 if (!fixme_once_positiont++)
6385 FIXME("D3DDECLUSAGE_POSITIONT welding not implemented.\n");
6386 break;
6387 case D3DDECLUSAGE_FOG:
6388 if (!fixme_once_fog++)
6389 FIXME("D3DDECLUSAGE_FOG welding not implemented.\n");
6390 break;
6391 case D3DDECLUSAGE_DEPTH:
6392 if (!fixme_once_depth++)
6393 FIXME("D3DDECLUSAGE_DEPTH welding not implemented.\n");
6394 break;
6395 case D3DDECLUSAGE_SAMPLE:
6396 if (!fixme_once_sample++)
6397 FIXME("D3DDECLUSAGE_SAMPLE welding not implemented.\n");
6398 break;
6399 default:
6400 if (!fixme_once_unknown++)
6401 FIXME("Unknown usage %x\n", decl_ptr->Usage);
6402 break;
6403 }
6404
6405 return epsilon;
6406 }
6407
6408 /* Helper function for reading a 32-bit index buffer. */
6409 static inline DWORD read_ib(void *index_buffer, BOOL indices_are_32bit,
6410 DWORD index)
6411 {
6412 if (indices_are_32bit)
6413 {
6414 DWORD *indices = index_buffer;
6415 return indices[index];
6416 }
6417 else
6418 {
6419 WORD *indices = index_buffer;
6420 return indices[index];
6421 }
6422 }
6423
6424 /* Helper function for writing to a 32-bit index buffer. */
6425 static inline void write_ib(void *index_buffer, BOOL indices_are_32bit,
6426 DWORD index, DWORD value)
6427 {
6428 if (indices_are_32bit)
6429 {
6430 DWORD *indices = index_buffer;
6431 indices[index] = value;
6432 }
6433 else
6434 {
6435 WORD *indices = index_buffer;
6436 indices[index] = value;
6437 }
6438 }
6439
6440 /*************************************************************************
6441 * D3DXWeldVertices (D3DX9_36.@)
6442 *
6443 * Welds together similar vertices. The similarity between vert-
6444 * ices can be the position and other components such as
6445 * normal and color.
6446 *
6447 * PARAMS
6448 * mesh [I] Mesh which vertices will be welded together.
6449 * flags [I] D3DXWELDEPSILONSFLAGS specifying how to weld.
6450 * epsilons [I] How similar a component needs to be for welding.
6451 * adjacency [I] Which faces are adjacent to other faces.
6452 * adjacency_out [O] Updated adjacency after welding.
6453 * face_remap_out [O] Which faces the old faces have been mapped to.
6454 * vertex_remap_out [O] Which vertices the old vertices have been mapped to.
6455 *
6456 * RETURNS
6457 * Success: D3D_OK.
6458 * Failure: D3DERR_INVALIDCALL, E_OUTOFMEMORY.
6459 *
6460 * BUGS
6461 * Attribute sorting not implemented.
6462 *
6463 */
6464 HRESULT WINAPI D3DXWeldVertices(LPD3DXMESH mesh,
6465 DWORD flags,
6466 CONST D3DXWELDEPSILONS *epsilons,
6467 CONST DWORD *adjacency,
6468 DWORD *adjacency_out,
6469 DWORD *face_remap_out,
6470 LPD3DXBUFFER *vertex_remap_out)
6471 {
6472 DWORD *adjacency_generated = NULL;
6473 const DWORD *adjacency_ptr;
6474 DWORD *attributes = NULL;
6475 const FLOAT DEFAULT_EPSILON = 1.0e-6f;
6476 HRESULT hr;
6477 DWORD i;
6478 void *indices = NULL;
6479 BOOL indices_are_32bit = mesh->lpVtbl->GetOptions(mesh) & D3DXMESH_32BIT;
6480 DWORD optimize_flags;
6481 DWORD *point_reps = NULL;
6482 ID3DXMeshImpl *This = impl_from_ID3DXMesh(mesh);
6483 DWORD *vertex_face_map = NULL;
6484 ID3DXBuffer *vertex_remap = NULL;
6485 BYTE *vertices = NULL;
6486
6487 TRACE("(%p, %x, %p, %p, %p, %p, %p)\n", mesh, flags, epsilons,
6488 adjacency, adjacency_out, face_remap_out, vertex_remap_out);
6489
6490 if (flags == 0)
6491 {
6492 WARN("No flags is undefined. Using D3DXWELDEPSILONS_WELDPARTIALMATCHES instead.\n");
6493 flags = D3DXWELDEPSILONS_WELDPARTIALMATCHES;
6494 }
6495
6496 if (adjacency) /* Use supplied adjacency. */
6497 {
6498 adjacency_ptr = adjacency;
6499 }
6500 else /* Adjacency has to be generated. */
6501 {
6502 adjacency_generated = HeapAlloc(GetProcessHeap(), 0, 3 * This->numfaces * sizeof(*adjacency_generated));
6503 if (!adjacency_generated)
6504 {
6505 ERR("Couldn't allocate memory for adjacency_generated.\n");
6506 hr = E_OUTOFMEMORY;
6507 goto cleanup;
6508 }
6509 hr = mesh->lpVtbl->GenerateAdjacency(mesh, DEFAULT_EPSILON, adjacency_generated);
6510 if (FAILED(hr))
6511 {
6512 ERR("Couldn't generate adjacency.\n");
6513 goto cleanup;
6514 }
6515 adjacency_ptr = adjacency_generated;
6516 }
6517
6518 /* Point representation says which vertices can be replaced. */
6519 point_reps = HeapAlloc(GetProcessHeap(), 0, This->numvertices * sizeof(*point_reps));
6520 if (!point_reps)
6521 {
6522 hr = E_OUTOFMEMORY;
6523 ERR("Couldn't allocate memory for point_reps.\n");
6524 goto cleanup;
6525 }
6526 hr = mesh->lpVtbl->ConvertAdjacencyToPointReps(mesh, adjacency_ptr, point_reps);
6527 if (FAILED(hr))
6528 {
6529 ERR("ConvertAdjacencyToPointReps failed.\n");
6530 goto cleanup;
6531 }
6532
6533 hr = mesh->lpVtbl->LockIndexBuffer(mesh, 0, &indices);
6534 if (FAILED(hr))
6535 {
6536 ERR("Couldn't lock index buffer.\n");
6537 goto cleanup;
6538 }
6539
6540 hr = mesh->lpVtbl->LockAttributeBuffer(mesh, 0, &attributes);
6541 if (FAILED(hr))
6542 {
6543 ERR("Couldn't lock attribute buffer.\n");
6544 goto cleanup;
6545 }
6546 vertex_face_map = HeapAlloc(GetProcessHeap(), 0, This->numvertices * sizeof(*vertex_face_map));
6547 if (!vertex_face_map)
6548 {
6549 hr = E_OUTOFMEMORY;
6550 ERR("Couldn't allocate memory for vertex_face_map.\n");
6551 goto cleanup;
6552 }
6553 /* Build vertex face map, so that a vertex's face can be looked up. */
6554 for (i = 0; i < This->numfaces; i++)
6555 {
6556 DWORD j;
6557 for (j = 0; j < 3; j++)
6558 {
6559 DWORD index = read_ib(indices, indices_are_32bit, 3*i + j);
6560 vertex_face_map[index] = i;
6561 }
6562 }
6563
6564 if (flags & D3DXWELDEPSILONS_WELDPARTIALMATCHES)
6565 {
6566 hr = mesh->lpVtbl->LockVertexBuffer(mesh, 0, (void**)&vertices);
6567 if (FAILED(hr))
6568 {
6569 ERR("Couldn't lock vertex buffer.\n");
6570 goto cleanup;
6571 }
6572 /* For each vertex that can be removed, compare its vertex components
6573 * with the vertex components from the vertex that can replace it. A
6574 * vertex is only fully replaced if all the components match and the
6575 * flag D3DXWELDEPSILONS_DONOTREMOVEVERTICES is not set, and they
6576 * belong to the same attribute group. Otherwise the vertex components
6577 * that are within epsilon are set to the same value.
6578 */
6579 for (i = 0; i < 3 * This->numfaces; i++)
6580 {
6581 D3DVERTEXELEMENT9 *decl_ptr;
6582 DWORD vertex_size = mesh->lpVtbl->GetNumBytesPerVertex(mesh);
6583 DWORD num_vertex_components;
6584 INT matches = 0;
6585 BOOL all_match;
6586 DWORD index = read_ib(indices, indices_are_32bit, i);
6587
6588 for (decl_ptr = This->cached_declaration, num_vertex_components = 0; decl_ptr->Stream != 0xFF; decl_ptr++, num_vertex_components++)
6589 {
6590 BYTE *to = &vertices[vertex_size*index + decl_ptr->Offset];
6591 BYTE *from = &vertices[vertex_size*point_reps[index] + decl_ptr->Offset];
6592 FLOAT epsilon = get_component_epsilon(decl_ptr, epsilons);
6593
6594 /* Don't weld self */
6595 if (index == point_reps[index])
6596 {
6597 matches++;
6598 continue;
6599 }
6600
6601 if (weld_component(to, from, decl_ptr->Type, epsilon))
6602 matches++;
6603 }
6604
6605 all_match = (num_vertex_components == matches);
6606 if (all_match && !(flags & D3DXWELDEPSILONS_DONOTREMOVEVERTICES))
6607 {
6608 DWORD to_face = vertex_face_map[index];
6609 DWORD from_face = vertex_face_map[point_reps[index]];
6610 if(attributes[to_face] != attributes[from_face] && !(flags & D3DXWELDEPSILONS_DONOTSPLIT))
6611 continue;
6612 write_ib(indices, indices_are_32bit, i, point_reps[index]);
6613 }
6614 }
6615 mesh->lpVtbl->UnlockVertexBuffer(mesh);
6616 vertices = NULL;
6617 }
6618 else if (flags & D3DXWELDEPSILONS_WELDALL)
6619 {
6620 for (i = 0; i < 3 * This->numfaces; i++)
6621 {
6622 DWORD index = read_ib(indices, indices_are_32bit, i);
6623 DWORD to_face = vertex_face_map[index];
6624 DWORD from_face = vertex_face_map[point_reps[index]];
6625 if(attributes[to_face] != attributes[from_face] && !(flags & D3DXWELDEPSILONS_DONOTSPLIT))
6626 continue;
6627 write_ib(indices, indices_are_32bit, i, point_reps[index]);
6628 }
6629 }
6630 mesh->lpVtbl->UnlockAttributeBuffer(mesh);
6631 attributes = NULL;
6632 mesh->lpVtbl->UnlockIndexBuffer(mesh);
6633 indices = NULL;
6634
6635 /* Compact mesh using OptimizeInplace */
6636 optimize_flags = D3DXMESHOPT_COMPACT;
6637 hr = mesh->lpVtbl->OptimizeInplace(mesh, optimize_flags, adjacency_ptr, adjacency_out, face_remap_out, vertex_remap_out);
6638 if (FAILED(hr))
6639 {
6640 ERR("Couldn't compact mesh.\n");
6641 goto cleanup;
6642 }
6643
6644 hr = D3D_OK;
6645 cleanup:
6646 HeapFree(GetProcessHeap(), 0, adjacency_generated);
6647 HeapFree(GetProcessHeap(), 0, point_reps);
6648 HeapFree(GetProcessHeap(), 0, vertex_face_map);
6649 if (attributes) mesh->lpVtbl->UnlockAttributeBuffer(mesh);
6650 if (indices) mesh->lpVtbl->UnlockIndexBuffer(mesh);
6651 if (vertex_remap) ID3DXBuffer_Release(vertex_remap);
6652 if (vertices) mesh->lpVtbl->UnlockVertexBuffer(mesh);
6653
6654 return hr;
6655 }
6656
6657 /*************************************************************************
6658 * D3DXOptimizeFaces (D3DX9_36.@)
6659 *
6660 * Re-orders the faces so the vertex cache is used optimally.
6661 *
6662 * PARAMS
6663 * indices [I] Pointer to an index buffer belonging to a mesh.
6664 * num_faces [I] Number of faces in the mesh.
6665 * num_vertices [I] Number of vertices in the mesh.
6666 * indices_are_32bit [I] Specifies whether indices are 32- or 16-bit.
6667 * face_remap [I/O] The new order the faces should be drawn in.
6668 *
6669 * RETURNS
6670 * Success: D3D_OK.
6671 * Failure: D3DERR_INVALIDCALL.
6672 *
6673 * BUGS
6674 * The face re-ordering does not use the vertex cache optimally.
6675 *
6676 */
6677 HRESULT WINAPI D3DXOptimizeFaces(LPCVOID indices,
6678 UINT num_faces,
6679 UINT num_vertices,
6680 BOOL indices_are_32bit,
6681 DWORD *face_remap)
6682 {
6683 UINT i;
6684 UINT j = num_faces - 1;
6685 UINT limit_16_bit = 2 << 15; /* According to MSDN */
6686 HRESULT hr = D3D_OK;
6687
6688 FIXME("(%p, %u, %u, %s, %p): semi-stub. Face order will not be optimal.\n",
6689 indices, num_faces, num_vertices,
6690 indices_are_32bit ? "TRUE" : "FALSE", face_remap);
6691
6692 if (!indices_are_32bit && num_faces >= limit_16_bit)
6693 {
6694 WARN("Number of faces must be less than %d when using 16-bit indices.\n",
6695 limit_16_bit);
6696 hr = D3DERR_INVALIDCALL;
6697 goto error;
6698 }
6699
6700 if (!face_remap)
6701 {
6702 WARN("Face remap pointer is NULL.\n");
6703 hr = D3DERR_INVALIDCALL;
6704 goto error;
6705 }
6706
6707 /* The faces are drawn in reverse order for simple meshes. This ordering
6708 * is not optimal for complicated meshes, but will not break anything
6709 * either. The ordering should be changed to take advantage of the vertex
6710 * cache on the graphics card.
6711 *
6712 * TODO Re-order to take advantage of vertex cache.
6713 */
6714 for (i = 0; i < num_faces; i++)
6715 {
6716 face_remap[i] = j--;
6717 }
6718
6719 return D3D_OK;
6720
6721 error:
6722 return hr;
6723 }
Windows API implementation