wined3d: Get rid of the tracing code in shader_vaddline().
[wine.git] / dlls / d3dx9_36 / mesh.c
blob746b4799dfa0bdd17ee2a2cdb6ae934912b39f3b
1 /*
2 * Mesh operations specific to D3DX9.
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 * Copyright (C) 2013 Christian Costa
12 * This library is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2.1 of the License, or (at your option) any later version.
17 * This library is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this library; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
27 #include "config.h"
28 #include "wine/port.h"
30 #define COBJMACROS
31 #define NONAMELESSUNION
32 #include <assert.h>
33 #ifdef HAVE_FLOAT_H
34 # include <float.h>
35 #endif
36 #include "windef.h"
37 #include "wingdi.h"
38 #include "d3dx9.h"
39 #undef MAKE_DDHRESULT
40 #include "dxfile.h"
41 #include "rmxfguid.h"
42 #include "rmxftmpl.h"
43 #include "wine/debug.h"
44 #include "wine/unicode.h"
45 #include "wine/list.h"
46 #include "d3dx9_36_private.h"
48 WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
50 struct d3dx9_mesh
52 ID3DXMesh ID3DXMesh_iface;
53 LONG ref;
55 DWORD numfaces;
56 DWORD numvertices;
57 DWORD options;
58 DWORD fvf;
59 IDirect3DDevice9 *device;
60 D3DVERTEXELEMENT9 cached_declaration[MAX_FVF_DECL_SIZE];
61 IDirect3DVertexDeclaration9 *vertex_declaration;
62 UINT vertex_declaration_size;
63 UINT num_elem;
64 IDirect3DVertexBuffer9 *vertex_buffer;
65 IDirect3DIndexBuffer9 *index_buffer;
66 DWORD *attrib_buffer;
67 int attrib_buffer_lock_count;
68 DWORD attrib_table_size;
69 D3DXATTRIBUTERANGE *attrib_table;
72 static const UINT d3dx_decltype_size[] =
74 /* D3DDECLTYPE_FLOAT1 */ sizeof(FLOAT),
75 /* D3DDECLTYPE_FLOAT2 */ sizeof(D3DXVECTOR2),
76 /* D3DDECLTYPE_FLOAT3 */ sizeof(D3DXVECTOR3),
77 /* D3DDECLTYPE_FLOAT4 */ sizeof(D3DXVECTOR4),
78 /* D3DDECLTYPE_D3DCOLOR */ sizeof(D3DCOLOR),
79 /* D3DDECLTYPE_UBYTE4 */ 4 * sizeof(BYTE),
80 /* D3DDECLTYPE_SHORT2 */ 2 * sizeof(SHORT),
81 /* D3DDECLTYPE_SHORT4 */ 4 * sizeof(SHORT),
82 /* D3DDECLTYPE_UBYTE4N */ 4 * sizeof(BYTE),
83 /* D3DDECLTYPE_SHORT2N */ 2 * sizeof(SHORT),
84 /* D3DDECLTYPE_SHORT4N */ 4 * sizeof(SHORT),
85 /* D3DDECLTYPE_USHORT2N */ 2 * sizeof(USHORT),
86 /* D3DDECLTYPE_USHORT4N */ 4 * sizeof(USHORT),
87 /* D3DDECLTYPE_UDEC3 */ 4, /* 3 * 10 bits + 2 padding */
88 /* D3DDECLTYPE_DEC3N */ 4,
89 /* D3DDECLTYPE_FLOAT16_2 */ 2 * sizeof(D3DXFLOAT16),
90 /* D3DDECLTYPE_FLOAT16_4 */ 4 * sizeof(D3DXFLOAT16),
93 static inline struct d3dx9_mesh *impl_from_ID3DXMesh(ID3DXMesh *iface)
95 return CONTAINING_RECORD(iface, struct d3dx9_mesh, ID3DXMesh_iface);
98 static HRESULT WINAPI d3dx9_mesh_QueryInterface(ID3DXMesh *iface, REFIID riid, void **out)
100 TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
102 if (IsEqualGUID(riid, &IID_IUnknown) ||
103 IsEqualGUID(riid, &IID_ID3DXBaseMesh) ||
104 IsEqualGUID(riid, &IID_ID3DXMesh))
106 iface->lpVtbl->AddRef(iface);
107 *out = iface;
108 return S_OK;
111 WARN("Interface %s not found.\n", debugstr_guid(riid));
113 return E_NOINTERFACE;
116 static ULONG WINAPI d3dx9_mesh_AddRef(ID3DXMesh *iface)
118 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
119 ULONG refcount = InterlockedIncrement(&mesh->ref);
121 TRACE("%p increasing refcount to %u.\n", mesh, refcount);
123 return refcount;
126 static ULONG WINAPI d3dx9_mesh_Release(ID3DXMesh *iface)
128 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
129 ULONG refcount = InterlockedDecrement(&mesh->ref);
131 TRACE("%p decreasing refcount to %u.\n", mesh, refcount);
133 if (!refcount)
135 IDirect3DIndexBuffer9_Release(mesh->index_buffer);
136 IDirect3DVertexBuffer9_Release(mesh->vertex_buffer);
137 if (mesh->vertex_declaration)
138 IDirect3DVertexDeclaration9_Release(mesh->vertex_declaration);
139 IDirect3DDevice9_Release(mesh->device);
140 HeapFree(GetProcessHeap(), 0, mesh->attrib_buffer);
141 HeapFree(GetProcessHeap(), 0, mesh->attrib_table);
142 HeapFree(GetProcessHeap(), 0, mesh);
145 return refcount;
148 static HRESULT WINAPI d3dx9_mesh_DrawSubset(ID3DXMesh *iface, DWORD attrib_id)
150 struct d3dx9_mesh *This = impl_from_ID3DXMesh(iface);
151 HRESULT hr;
152 DWORD face_start;
153 DWORD face_end = 0;
154 DWORD vertex_size;
156 TRACE("iface %p, attrib_id %u.\n", iface, attrib_id);
158 if (!This->vertex_declaration)
160 WARN("Can't draw a mesh with an invalid vertex declaration.\n");
161 return E_FAIL;
164 vertex_size = iface->lpVtbl->GetNumBytesPerVertex(iface);
166 hr = IDirect3DDevice9_SetVertexDeclaration(This->device, This->vertex_declaration);
167 if (FAILED(hr)) return hr;
168 hr = IDirect3DDevice9_SetStreamSource(This->device, 0, This->vertex_buffer, 0, vertex_size);
169 if (FAILED(hr)) return hr;
170 hr = IDirect3DDevice9_SetIndices(This->device, This->index_buffer);
171 if (FAILED(hr)) return hr;
173 while (face_end < This->numfaces)
175 for (face_start = face_end; face_start < This->numfaces; face_start++)
177 if (This->attrib_buffer[face_start] == attrib_id)
178 break;
180 if (face_start >= This->numfaces)
181 break;
182 for (face_end = face_start + 1; face_end < This->numfaces; face_end++)
184 if (This->attrib_buffer[face_end] != attrib_id)
185 break;
188 hr = IDirect3DDevice9_DrawIndexedPrimitive(This->device, D3DPT_TRIANGLELIST,
189 0, 0, This->numvertices, face_start * 3, face_end - face_start);
190 if (FAILED(hr)) return hr;
193 return D3D_OK;
196 static DWORD WINAPI d3dx9_mesh_GetNumFaces(ID3DXMesh *iface)
198 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
200 TRACE("iface %p.\n", iface);
202 return mesh->numfaces;
205 static DWORD WINAPI d3dx9_mesh_GetNumVertices(ID3DXMesh *iface)
207 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
209 TRACE("iface %p.\n", iface);
211 return mesh->numvertices;
214 static DWORD WINAPI d3dx9_mesh_GetFVF(ID3DXMesh *iface)
216 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
218 TRACE("iface %p.\n", iface);
220 return mesh->fvf;
223 static void copy_declaration(D3DVERTEXELEMENT9 *dst, const D3DVERTEXELEMENT9 *src, UINT num_elem)
225 memcpy(dst, src, num_elem * sizeof(*src));
228 static HRESULT WINAPI d3dx9_mesh_GetDeclaration(ID3DXMesh *iface, D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE])
230 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
232 TRACE("iface %p, declaration %p.\n", iface, declaration);
234 if (!declaration)
235 return D3DERR_INVALIDCALL;
237 copy_declaration(declaration, mesh->cached_declaration, mesh->num_elem);
239 return D3D_OK;
242 static DWORD WINAPI d3dx9_mesh_GetNumBytesPerVertex(ID3DXMesh *iface)
244 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
246 TRACE("iface %p.\n", iface);
248 return mesh->vertex_declaration_size;
251 static DWORD WINAPI d3dx9_mesh_GetOptions(ID3DXMesh *iface)
253 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
255 TRACE("iface %p.\n", iface);
257 return mesh->options;
260 static HRESULT WINAPI d3dx9_mesh_GetDevice(struct ID3DXMesh *iface, struct IDirect3DDevice9 **device)
262 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
264 TRACE("iface %p, device %p.\n", iface, device);
266 if (!device)
267 return D3DERR_INVALIDCALL;
268 *device = mesh->device;
269 IDirect3DDevice9_AddRef(mesh->device);
271 return D3D_OK;
274 static HRESULT WINAPI d3dx9_mesh_CloneMeshFVF(struct ID3DXMesh *iface, DWORD options, DWORD fvf,
275 struct IDirect3DDevice9 *device, struct ID3DXMesh **clone_mesh)
277 HRESULT hr;
278 D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE];
280 TRACE("iface %p, options %#x, fvf %#x, device %p, clone_mesh %p.\n",
281 iface, options, fvf, device, clone_mesh);
283 if (FAILED(hr = D3DXDeclaratorFromFVF(fvf, declaration)))
284 return hr;
286 return iface->lpVtbl->CloneMesh(iface, options, declaration, device, clone_mesh);
289 static FLOAT scale_clamp_ubyten(FLOAT value)
291 value = value * UCHAR_MAX;
293 if (value < 0.0f)
295 return 0.0f;
297 else
299 if (value > UCHAR_MAX) /* Clamp at 255 */
300 return UCHAR_MAX;
301 else
302 return value;
306 static FLOAT scale_clamp_shortn(FLOAT value)
308 value = value * SHRT_MAX;
310 /* The tests show that the range is SHRT_MIN + 1 to SHRT_MAX. */
311 if (value <= SHRT_MIN)
313 return SHRT_MIN + 1;
315 else if (value > SHRT_MAX)
317 return SHRT_MAX;
319 else
321 return value;
325 static FLOAT scale_clamp_ushortn(FLOAT value)
327 value = value * USHRT_MAX;
329 if (value < 0.0f)
331 return 0.0f;
333 else
335 if (value > USHRT_MAX) /* Clamp at 65535 */
336 return USHRT_MAX;
337 else
338 return value;
342 static INT simple_round(FLOAT value)
344 int res = (INT)(value + 0.5f);
346 return res;
349 static void convert_float4(BYTE *dst, const D3DXVECTOR4 *src, D3DDECLTYPE type_dst)
351 BOOL fixme_once = FALSE;
353 switch (type_dst)
355 case D3DDECLTYPE_FLOAT1:
357 FLOAT *dst_ptr = (FLOAT*)dst;
358 *dst_ptr = src->x;
359 break;
361 case D3DDECLTYPE_FLOAT2:
363 D3DXVECTOR2 *dst_ptr = (D3DXVECTOR2*)dst;
364 dst_ptr->x = src->x;
365 dst_ptr->y = src->y;
366 break;
368 case D3DDECLTYPE_FLOAT3:
370 D3DXVECTOR3 *dst_ptr = (D3DXVECTOR3*)dst;
371 dst_ptr->x = src->x;
372 dst_ptr->y = src->y;
373 dst_ptr->z = src->z;
374 break;
376 case D3DDECLTYPE_FLOAT4:
378 D3DXVECTOR4 *dst_ptr = (D3DXVECTOR4*)dst;
379 dst_ptr->x = src->x;
380 dst_ptr->y = src->y;
381 dst_ptr->z = src->z;
382 dst_ptr->w = src->w;
383 break;
385 case D3DDECLTYPE_D3DCOLOR:
387 dst[0] = (BYTE)simple_round(scale_clamp_ubyten(src->z));
388 dst[1] = (BYTE)simple_round(scale_clamp_ubyten(src->y));
389 dst[2] = (BYTE)simple_round(scale_clamp_ubyten(src->x));
390 dst[3] = (BYTE)simple_round(scale_clamp_ubyten(src->w));
391 break;
393 case D3DDECLTYPE_UBYTE4:
395 dst[0] = src->x < 0.0f ? 0 : (BYTE)simple_round(src->x);
396 dst[1] = src->y < 0.0f ? 0 : (BYTE)simple_round(src->y);
397 dst[2] = src->z < 0.0f ? 0 : (BYTE)simple_round(src->z);
398 dst[3] = src->w < 0.0f ? 0 : (BYTE)simple_round(src->w);
399 break;
401 case D3DDECLTYPE_SHORT2:
403 SHORT *dst_ptr = (SHORT*)dst;
404 dst_ptr[0] = (SHORT)simple_round(src->x);
405 dst_ptr[1] = (SHORT)simple_round(src->y);
406 break;
408 case D3DDECLTYPE_SHORT4:
410 SHORT *dst_ptr = (SHORT*)dst;
411 dst_ptr[0] = (SHORT)simple_round(src->x);
412 dst_ptr[1] = (SHORT)simple_round(src->y);
413 dst_ptr[2] = (SHORT)simple_round(src->z);
414 dst_ptr[3] = (SHORT)simple_round(src->w);
415 break;
417 case D3DDECLTYPE_UBYTE4N:
419 dst[0] = (BYTE)simple_round(scale_clamp_ubyten(src->x));
420 dst[1] = (BYTE)simple_round(scale_clamp_ubyten(src->y));
421 dst[2] = (BYTE)simple_round(scale_clamp_ubyten(src->z));
422 dst[3] = (BYTE)simple_round(scale_clamp_ubyten(src->w));
423 break;
425 case D3DDECLTYPE_SHORT2N:
427 SHORT *dst_ptr = (SHORT*)dst;
428 dst_ptr[0] = (SHORT)simple_round(scale_clamp_shortn(src->x));
429 dst_ptr[1] = (SHORT)simple_round(scale_clamp_shortn(src->y));
430 break;
432 case D3DDECLTYPE_SHORT4N:
434 SHORT *dst_ptr = (SHORT*)dst;
435 dst_ptr[0] = (SHORT)simple_round(scale_clamp_shortn(src->x));
436 dst_ptr[1] = (SHORT)simple_round(scale_clamp_shortn(src->y));
437 dst_ptr[2] = (SHORT)simple_round(scale_clamp_shortn(src->z));
438 dst_ptr[3] = (SHORT)simple_round(scale_clamp_shortn(src->w));
439 break;
441 case D3DDECLTYPE_USHORT2N:
443 USHORT *dst_ptr = (USHORT*)dst;
444 dst_ptr[0] = (USHORT)simple_round(scale_clamp_ushortn(src->x));
445 dst_ptr[1] = (USHORT)simple_round(scale_clamp_ushortn(src->y));
446 break;
448 case D3DDECLTYPE_USHORT4N:
450 USHORT *dst_ptr = (USHORT*)dst;
451 dst_ptr[0] = (USHORT)simple_round(scale_clamp_ushortn(src->x));
452 dst_ptr[1] = (USHORT)simple_round(scale_clamp_ushortn(src->y));
453 dst_ptr[2] = (USHORT)simple_round(scale_clamp_ushortn(src->z));
454 dst_ptr[3] = (USHORT)simple_round(scale_clamp_ushortn(src->w));
455 break;
457 case D3DDECLTYPE_FLOAT16_2:
459 D3DXFloat32To16Array((D3DXFLOAT16*)dst, (FLOAT*)src, 2);
460 break;
462 case D3DDECLTYPE_FLOAT16_4:
464 D3DXFloat32To16Array((D3DXFLOAT16*)dst, (FLOAT*)src, 4);
465 break;
467 default:
468 if (!fixme_once++)
469 FIXME("Conversion from D3DDECLTYPE_FLOAT4 to %d not implemented.\n", type_dst);
470 break;
474 static void convert_component(BYTE *dst, BYTE *src, D3DDECLTYPE type_dst, D3DDECLTYPE type_src)
476 BOOL fixme_once = FALSE;
478 switch (type_src)
480 case D3DDECLTYPE_FLOAT1:
482 FLOAT *src_ptr = (FLOAT*)src;
483 D3DXVECTOR4 src_float4 = {*src_ptr, 0.0f, 0.0f, 1.0f};
484 convert_float4(dst, &src_float4, type_dst);
485 break;
487 case D3DDECLTYPE_FLOAT2:
489 D3DXVECTOR2 *src_ptr = (D3DXVECTOR2*)src;
490 D3DXVECTOR4 src_float4 = {src_ptr->x, src_ptr->y, 0.0f, 1.0f};
491 convert_float4(dst, &src_float4, type_dst);
492 break;
494 case D3DDECLTYPE_FLOAT3:
496 D3DXVECTOR3 *src_ptr = (D3DXVECTOR3*)src;
497 D3DXVECTOR4 src_float4 = {src_ptr->x, src_ptr->y, src_ptr->z, 1.0f};
498 convert_float4(dst, &src_float4, type_dst);
499 break;
501 case D3DDECLTYPE_FLOAT4:
503 D3DXVECTOR4 *src_ptr = (D3DXVECTOR4*)src;
504 D3DXVECTOR4 src_float4 = {src_ptr->x, src_ptr->y, src_ptr->z, src_ptr->w};
505 convert_float4(dst, &src_float4, type_dst);
506 break;
508 case D3DDECLTYPE_D3DCOLOR:
510 D3DXVECTOR4 src_float4 =
512 (FLOAT)src[2]/UCHAR_MAX,
513 (FLOAT)src[1]/UCHAR_MAX,
514 (FLOAT)src[0]/UCHAR_MAX,
515 (FLOAT)src[3]/UCHAR_MAX
517 convert_float4(dst, &src_float4, type_dst);
518 break;
520 case D3DDECLTYPE_UBYTE4:
522 D3DXVECTOR4 src_float4 = {src[0], src[1], src[2], src[3]};
523 convert_float4(dst, &src_float4, type_dst);
524 break;
526 case D3DDECLTYPE_SHORT2:
528 SHORT *src_ptr = (SHORT*)src;
529 D3DXVECTOR4 src_float4 = {src_ptr[0], src_ptr[1], 0.0f, 1.0f};
530 convert_float4(dst, &src_float4, type_dst);
531 break;
533 case D3DDECLTYPE_SHORT4:
535 SHORT *src_ptr = (SHORT*)src;
536 D3DXVECTOR4 src_float4 = {src_ptr[0], src_ptr[1], src_ptr[2], src_ptr[3]};
537 convert_float4(dst, &src_float4, type_dst);
538 break;
540 case D3DDECLTYPE_UBYTE4N:
542 D3DXVECTOR4 src_float4 =
544 (FLOAT)src[0]/UCHAR_MAX,
545 (FLOAT)src[1]/UCHAR_MAX,
546 (FLOAT)src[2]/UCHAR_MAX,
547 (FLOAT)src[3]/UCHAR_MAX
549 convert_float4(dst, &src_float4, type_dst);
550 break;
552 case D3DDECLTYPE_SHORT2N:
554 SHORT *src_ptr = (SHORT*)src;
555 D3DXVECTOR4 src_float4 = {(FLOAT)src_ptr[0]/SHRT_MAX, (FLOAT)src_ptr[1]/SHRT_MAX, 0.0f, 1.0f};
556 convert_float4(dst, &src_float4, type_dst);
557 break;
559 case D3DDECLTYPE_SHORT4N:
561 SHORT *src_ptr = (SHORT*)src;
562 D3DXVECTOR4 src_float4 =
564 (FLOAT)src_ptr[0]/SHRT_MAX,
565 (FLOAT)src_ptr[1]/SHRT_MAX,
566 (FLOAT)src_ptr[2]/SHRT_MAX,
567 (FLOAT)src_ptr[3]/SHRT_MAX
569 convert_float4(dst, &src_float4, type_dst);
570 break;
572 case D3DDECLTYPE_FLOAT16_2:
574 D3DXVECTOR4 src_float4 = {0.0f, 0.0f, 0.0f, 1.0f};
575 D3DXFloat16To32Array((FLOAT*)&src_float4, (D3DXFLOAT16*)src, 2);
576 convert_float4(dst, &src_float4, type_dst);
577 break;
579 case D3DDECLTYPE_FLOAT16_4:
581 D3DXVECTOR4 src_float4;
582 D3DXFloat16To32Array((FLOAT*)&src_float4, (D3DXFLOAT16*)src, 4);
583 convert_float4(dst, &src_float4, type_dst);
584 break;
586 default:
587 if (!fixme_once++)
588 FIXME("Conversion of D3DDECLTYPE %d to %d not implemented.\n", type_src, type_dst);
589 break;
593 static INT get_equivalent_declaration_index(D3DVERTEXELEMENT9 orig_declaration, D3DVERTEXELEMENT9 *declaration)
595 INT i;
597 for (i = 0; declaration[i].Stream != 0xff; i++)
599 if (orig_declaration.Usage == declaration[i].Usage
600 && orig_declaration.UsageIndex == declaration[i].UsageIndex)
602 return i;
606 return -1;
609 static HRESULT convert_vertex_buffer(ID3DXMesh *mesh_dst, ID3DXMesh *mesh_src)
611 HRESULT hr;
612 D3DVERTEXELEMENT9 orig_declaration[MAX_FVF_DECL_SIZE] = {D3DDECL_END()};
613 D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE] = {D3DDECL_END()};
614 BYTE *vb_dst = NULL;
615 BYTE *vb_src = NULL;
616 UINT i;
617 UINT num_vertices = mesh_src->lpVtbl->GetNumVertices(mesh_src);
618 UINT dst_vertex_size = mesh_dst->lpVtbl->GetNumBytesPerVertex(mesh_dst);
619 UINT src_vertex_size = mesh_src->lpVtbl->GetNumBytesPerVertex(mesh_src);
621 hr = mesh_src->lpVtbl->GetDeclaration(mesh_src, orig_declaration);
622 if (FAILED(hr)) return hr;
623 hr = mesh_dst->lpVtbl->GetDeclaration(mesh_dst, declaration);
624 if (FAILED(hr)) return hr;
626 hr = mesh_src->lpVtbl->LockVertexBuffer(mesh_src, D3DLOCK_READONLY, (void**)&vb_src);
627 if (FAILED(hr)) goto cleanup;
628 hr = mesh_dst->lpVtbl->LockVertexBuffer(mesh_dst, 0, (void**)&vb_dst);
629 if (FAILED(hr)) goto cleanup;
631 /* Clear all new fields by clearing the entire vertex buffer. */
632 memset(vb_dst, 0, num_vertices * dst_vertex_size);
634 for (i = 0; orig_declaration[i].Stream != 0xff; i++)
636 INT eq_idx = get_equivalent_declaration_index(orig_declaration[i], declaration);
638 if (eq_idx >= 0)
640 UINT j;
641 for (j = 0; j < num_vertices; j++)
643 UINT idx_dst = dst_vertex_size * j + declaration[eq_idx].Offset;
644 UINT idx_src = src_vertex_size * j + orig_declaration[i].Offset;
645 UINT type_size = d3dx_decltype_size[orig_declaration[i].Type];
647 if (orig_declaration[i].Type == declaration[eq_idx].Type)
648 memcpy(&vb_dst[idx_dst], &vb_src[idx_src], type_size);
649 else
650 convert_component(&vb_dst[idx_dst], &vb_src[idx_src], declaration[eq_idx].Type, orig_declaration[i].Type);
655 hr = D3D_OK;
656 cleanup:
657 if (vb_dst) mesh_dst->lpVtbl->UnlockVertexBuffer(mesh_dst);
658 if (vb_src) mesh_src->lpVtbl->UnlockVertexBuffer(mesh_src);
660 return hr;
663 static BOOL declaration_equals(const D3DVERTEXELEMENT9 *declaration1, const D3DVERTEXELEMENT9 *declaration2)
665 UINT size1 = 0, size2 = 0;
667 /* Find the size of each declaration */
668 while (declaration1[size1].Stream != 0xff) size1++;
669 while (declaration2[size2].Stream != 0xff) size2++;
671 /* If not same size then they are definitely not equal */
672 if (size1 != size2)
673 return FALSE;
675 /* Check that all components are the same */
676 if (memcmp(declaration1, declaration2, size1*sizeof(*declaration1)) == 0)
677 return TRUE;
679 return FALSE;
682 static HRESULT WINAPI d3dx9_mesh_CloneMesh(struct ID3DXMesh *iface, DWORD options,
683 const D3DVERTEXELEMENT9 *declaration, struct IDirect3DDevice9 *device, struct ID3DXMesh **clone_mesh_out)
685 struct d3dx9_mesh *This = impl_from_ID3DXMesh(iface);
686 struct d3dx9_mesh *cloned_this;
687 ID3DXMesh *clone_mesh;
688 D3DVERTEXELEMENT9 orig_declaration[MAX_FVF_DECL_SIZE] = { D3DDECL_END() };
689 void *data_in, *data_out;
690 DWORD vertex_size;
691 HRESULT hr;
692 BOOL same_declaration;
694 TRACE("iface %p, options %#x, declaration %p, device %p, clone_mesh_out %p.\n",
695 iface, options, declaration, device, clone_mesh_out);
697 if (!clone_mesh_out)
698 return D3DERR_INVALIDCALL;
700 hr = iface->lpVtbl->GetDeclaration(iface, orig_declaration);
701 if (FAILED(hr)) return hr;
703 hr = D3DXCreateMesh(This->numfaces, This->numvertices, options & ~D3DXMESH_VB_SHARE,
704 declaration, device, &clone_mesh);
705 if (FAILED(hr)) return hr;
707 cloned_this = impl_from_ID3DXMesh(clone_mesh);
708 vertex_size = clone_mesh->lpVtbl->GetNumBytesPerVertex(clone_mesh);
709 same_declaration = declaration_equals(declaration, orig_declaration);
711 if (options & D3DXMESH_VB_SHARE) {
712 if (!same_declaration) {
713 hr = D3DERR_INVALIDCALL;
714 goto error;
716 IDirect3DVertexBuffer9_AddRef(This->vertex_buffer);
717 /* FIXME: refactor to avoid creating a new vertex buffer */
718 IDirect3DVertexBuffer9_Release(cloned_this->vertex_buffer);
719 cloned_this->vertex_buffer = This->vertex_buffer;
720 } else if (same_declaration) {
721 hr = iface->lpVtbl->LockVertexBuffer(iface, D3DLOCK_READONLY, &data_in);
722 if (FAILED(hr)) goto error;
723 hr = clone_mesh->lpVtbl->LockVertexBuffer(clone_mesh, 0, &data_out);
724 if (FAILED(hr)) {
725 iface->lpVtbl->UnlockVertexBuffer(iface);
726 goto error;
728 memcpy(data_out, data_in, This->numvertices * vertex_size);
729 clone_mesh->lpVtbl->UnlockVertexBuffer(clone_mesh);
730 iface->lpVtbl->UnlockVertexBuffer(iface);
731 } else {
732 hr = convert_vertex_buffer(clone_mesh, iface);
733 if (FAILED(hr)) goto error;
736 hr = iface->lpVtbl->LockIndexBuffer(iface, D3DLOCK_READONLY, &data_in);
737 if (FAILED(hr)) goto error;
738 hr = clone_mesh->lpVtbl->LockIndexBuffer(clone_mesh, 0, &data_out);
739 if (FAILED(hr)) {
740 iface->lpVtbl->UnlockIndexBuffer(iface);
741 goto error;
743 if ((options ^ This->options) & D3DXMESH_32BIT) {
744 DWORD i;
745 if (options & D3DXMESH_32BIT) {
746 for (i = 0; i < This->numfaces * 3; i++)
747 ((DWORD*)data_out)[i] = ((WORD*)data_in)[i];
748 } else {
749 for (i = 0; i < This->numfaces * 3; i++)
750 ((WORD*)data_out)[i] = ((DWORD*)data_in)[i];
752 } else {
753 memcpy(data_out, data_in, This->numfaces * 3 * (options & D3DXMESH_32BIT ? 4 : 2));
755 clone_mesh->lpVtbl->UnlockIndexBuffer(clone_mesh);
756 iface->lpVtbl->UnlockIndexBuffer(iface);
758 memcpy(cloned_this->attrib_buffer, This->attrib_buffer, This->numfaces * sizeof(*This->attrib_buffer));
760 if (This->attrib_table_size)
762 cloned_this->attrib_table_size = This->attrib_table_size;
763 cloned_this->attrib_table = HeapAlloc(GetProcessHeap(), 0, This->attrib_table_size * sizeof(*This->attrib_table));
764 if (!cloned_this->attrib_table) {
765 hr = E_OUTOFMEMORY;
766 goto error;
768 memcpy(cloned_this->attrib_table, This->attrib_table, This->attrib_table_size * sizeof(*This->attrib_table));
771 *clone_mesh_out = clone_mesh;
773 return D3D_OK;
774 error:
775 IUnknown_Release(clone_mesh);
776 return hr;
779 static HRESULT WINAPI d3dx9_mesh_GetVertexBuffer(struct ID3DXMesh *iface,
780 struct IDirect3DVertexBuffer9 **vertex_buffer)
782 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
784 TRACE("iface %p, vertex_buffer %p.\n", iface, vertex_buffer);
786 if (!vertex_buffer)
787 return D3DERR_INVALIDCALL;
788 *vertex_buffer = mesh->vertex_buffer;
789 IDirect3DVertexBuffer9_AddRef(mesh->vertex_buffer);
791 return D3D_OK;
794 static HRESULT WINAPI d3dx9_mesh_GetIndexBuffer(struct ID3DXMesh *iface,
795 struct IDirect3DIndexBuffer9 **index_buffer)
797 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
799 TRACE("iface %p, index_buffer %p.\n", iface, index_buffer);
801 if (!index_buffer)
802 return D3DERR_INVALIDCALL;
803 *index_buffer = mesh->index_buffer;
804 IDirect3DIndexBuffer9_AddRef(mesh->index_buffer);
806 return D3D_OK;
809 static HRESULT WINAPI d3dx9_mesh_LockVertexBuffer(ID3DXMesh *iface, DWORD flags, void **data)
811 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
813 TRACE("iface %p, flags %#x, data %p.\n", iface, flags, data);
815 return IDirect3DVertexBuffer9_Lock(mesh->vertex_buffer, 0, 0, data, flags);
818 static HRESULT WINAPI d3dx9_mesh_UnlockVertexBuffer(ID3DXMesh *iface)
820 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
822 TRACE("iface %p.\n", iface);
824 return IDirect3DVertexBuffer9_Unlock(mesh->vertex_buffer);
827 static HRESULT WINAPI d3dx9_mesh_LockIndexBuffer(ID3DXMesh *iface, DWORD flags, void **data)
829 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
831 TRACE("iface %p, flags %#x, data %p.\n", iface, flags, data);
833 return IDirect3DIndexBuffer9_Lock(mesh->index_buffer, 0, 0, data, flags);
836 static HRESULT WINAPI d3dx9_mesh_UnlockIndexBuffer(ID3DXMesh *iface)
838 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
840 TRACE("iface %p.\n", iface);
842 return IDirect3DIndexBuffer9_Unlock(mesh->index_buffer);
845 /* FIXME: This looks just wrong, we never check *attrib_table_size before
846 * copying the data. */
847 static HRESULT WINAPI d3dx9_mesh_GetAttributeTable(ID3DXMesh *iface,
848 D3DXATTRIBUTERANGE *attrib_table, DWORD *attrib_table_size)
850 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
852 TRACE("iface %p, attrib_table %p, attrib_table_size %p.\n",
853 iface, attrib_table, attrib_table_size);
855 if (attrib_table_size)
856 *attrib_table_size = mesh->attrib_table_size;
858 if (attrib_table)
859 memcpy(attrib_table, mesh->attrib_table, mesh->attrib_table_size * sizeof(*attrib_table));
861 return D3D_OK;
864 struct edge_face
866 struct list entry;
867 DWORD v2;
868 DWORD face;
871 struct edge_face_map
873 struct list *lists;
874 struct edge_face *entries;
877 /* Builds up a map of which face a new edge belongs to. That way the adjacency
878 * of another edge can be looked up. An edge has an adjacent face if there
879 * is an edge going in the opposite direction in the map. For example if the
880 * edge (v1, v2) belongs to face 4, and there is a mapping (v2, v1)->7, then
881 * face 4 and 7 are adjacent.
883 * Each edge might have been replaced with another edge, or none at all. There
884 * is at most one edge to face mapping, i.e. an edge can only belong to one
885 * face.
887 static HRESULT init_edge_face_map(struct edge_face_map *edge_face_map, const DWORD *index_buffer,
888 const DWORD *point_reps, DWORD num_faces)
890 DWORD face, edge;
891 DWORD i;
893 edge_face_map->lists = HeapAlloc(GetProcessHeap(), 0, 3 * num_faces * sizeof(*edge_face_map->lists));
894 if (!edge_face_map->lists) return E_OUTOFMEMORY;
896 edge_face_map->entries = HeapAlloc(GetProcessHeap(), 0, 3 * num_faces * sizeof(*edge_face_map->entries));
897 if (!edge_face_map->entries) return E_OUTOFMEMORY;
900 /* Initialize all lists */
901 for (i = 0; i < 3 * num_faces; i++)
903 list_init(&edge_face_map->lists[i]);
905 /* Build edge face mapping */
906 for (face = 0; face < num_faces; face++)
908 for (edge = 0; edge < 3; edge++)
910 DWORD v1 = index_buffer[3*face + edge];
911 DWORD v2 = index_buffer[3*face + (edge+1)%3];
912 DWORD new_v1 = point_reps[v1]; /* What v1 has been replaced with */
913 DWORD new_v2 = point_reps[v2];
915 if (v1 != v2) /* Only map non-collapsed edges */
917 i = 3*face + edge;
918 edge_face_map->entries[i].v2 = new_v2;
919 edge_face_map->entries[i].face = face;
920 list_add_head(&edge_face_map->lists[new_v1], &edge_face_map->entries[i].entry);
925 return D3D_OK;
928 static DWORD find_adjacent_face(struct edge_face_map *edge_face_map, DWORD vertex1, DWORD vertex2, DWORD num_faces)
930 struct edge_face *edge_face_ptr;
932 LIST_FOR_EACH_ENTRY(edge_face_ptr, &edge_face_map->lists[vertex2], struct edge_face, entry)
934 if (edge_face_ptr->v2 == vertex1)
935 return edge_face_ptr->face;
938 return -1;
941 static DWORD *generate_identity_point_reps(DWORD num_vertices)
943 DWORD *id_point_reps;
944 DWORD i;
946 id_point_reps = HeapAlloc(GetProcessHeap(), 0, num_vertices * sizeof(*id_point_reps));
947 if (!id_point_reps)
948 return NULL;
950 for (i = 0; i < num_vertices; i++)
952 id_point_reps[i] = i;
955 return id_point_reps;
958 static HRESULT WINAPI d3dx9_mesh_ConvertPointRepsToAdjacency(ID3DXMesh *iface,
959 const DWORD *point_reps, DWORD *adjacency)
961 HRESULT hr;
962 DWORD num_faces = iface->lpVtbl->GetNumFaces(iface);
963 DWORD num_vertices = iface->lpVtbl->GetNumVertices(iface);
964 DWORD options = iface->lpVtbl->GetOptions(iface);
965 BOOL indices_are_16_bit = !(options & D3DXMESH_32BIT);
966 DWORD *ib = NULL;
967 void *ib_ptr = NULL;
968 DWORD face;
969 DWORD edge;
970 struct edge_face_map edge_face_map = {0};
971 const DWORD *point_reps_ptr = NULL;
972 DWORD *id_point_reps = NULL;
974 TRACE("iface %p, point_reps %p, adjacency %p.\n", iface, point_reps, adjacency);
976 if (!adjacency) return D3DERR_INVALIDCALL;
978 if (!point_reps) /* Identity point reps */
980 id_point_reps = generate_identity_point_reps(num_vertices);
981 if (!id_point_reps)
983 hr = E_OUTOFMEMORY;
984 goto cleanup;
987 point_reps_ptr = id_point_reps;
989 else
991 point_reps_ptr = point_reps;
994 hr = iface->lpVtbl->LockIndexBuffer(iface, D3DLOCK_READONLY, &ib_ptr);
995 if (FAILED(hr)) goto cleanup;
997 if (indices_are_16_bit)
999 /* Widen 16 bit to 32 bit */
1000 DWORD i;
1001 WORD *ib_16bit = ib_ptr;
1002 ib = HeapAlloc(GetProcessHeap(), 0, 3 * num_faces * sizeof(DWORD));
1003 if (!ib)
1005 hr = E_OUTOFMEMORY;
1006 goto cleanup;
1008 for (i = 0; i < 3 * num_faces; i++)
1010 ib[i] = ib_16bit[i];
1013 else
1015 ib = ib_ptr;
1018 hr = init_edge_face_map(&edge_face_map, ib, point_reps_ptr, num_faces);
1019 if (FAILED(hr)) goto cleanup;
1021 /* Create adjacency */
1022 for (face = 0; face < num_faces; face++)
1024 for (edge = 0; edge < 3; edge++)
1026 DWORD v1 = ib[3*face + edge];
1027 DWORD v2 = ib[3*face + (edge+1)%3];
1028 DWORD new_v1 = point_reps_ptr[v1];
1029 DWORD new_v2 = point_reps_ptr[v2];
1030 DWORD adj_face;
1032 adj_face = find_adjacent_face(&edge_face_map, new_v1, new_v2, num_faces);
1033 adjacency[3*face + edge] = adj_face;
1037 hr = D3D_OK;
1038 cleanup:
1039 HeapFree(GetProcessHeap(), 0, id_point_reps);
1040 if (indices_are_16_bit) HeapFree(GetProcessHeap(), 0, ib);
1041 HeapFree(GetProcessHeap(), 0, edge_face_map.lists);
1042 HeapFree(GetProcessHeap(), 0, edge_face_map.entries);
1043 if(ib_ptr) iface->lpVtbl->UnlockIndexBuffer(iface);
1044 return hr;
1047 /* ConvertAdjacencyToPointReps helper function.
1049 * Goes around the edges of each face and replaces the vertices in any adjacent
1050 * face's edge with its own vertices(if its vertices have a lower index). This
1051 * way as few as possible low index vertices are shared among the faces. The
1052 * re-ordered index buffer is stored in new_indices.
1054 * The vertices in a point representation must be ordered sequentially, e.g.
1055 * index 5 holds the index of the vertex that replaces vertex 5, i.e. if
1056 * vertex 5 is replaced by vertex 3 then index 5 would contain 3. If no vertex
1057 * replaces it, then it contains the same number as the index itself, e.g.
1058 * index 5 would contain 5. */
1059 static HRESULT propagate_face_vertices(const DWORD *adjacency, DWORD *point_reps,
1060 const DWORD *indices, DWORD *new_indices, DWORD face, DWORD numfaces)
1062 const unsigned int VERTS_PER_FACE = 3;
1063 DWORD edge, opp_edge;
1064 DWORD face_base = VERTS_PER_FACE * face;
1066 for (edge = 0; edge < VERTS_PER_FACE; edge++)
1068 DWORD adj_face = adjacency[face_base + edge];
1069 DWORD adj_face_base;
1070 DWORD i;
1071 if (adj_face == -1) /* No adjacent face. */
1072 continue;
1073 else if (adj_face >= numfaces)
1075 /* This throws exception on Windows */
1076 WARN("Index out of bounds. Got %d expected less than %d.\n",
1077 adj_face, numfaces);
1078 return D3DERR_INVALIDCALL;
1080 adj_face_base = 3 * adj_face;
1082 /* Find opposite edge in adjacent face. */
1083 for (opp_edge = 0; opp_edge < VERTS_PER_FACE; opp_edge++)
1085 DWORD opp_edge_index = adj_face_base + opp_edge;
1086 if (adjacency[opp_edge_index] == face)
1087 break; /* Found opposite edge. */
1090 /* Replaces vertices in opposite edge with vertices from current edge. */
1091 for (i = 0; i < 2; i++)
1093 DWORD from = face_base + (edge + (1 - i)) % VERTS_PER_FACE;
1094 DWORD to = adj_face_base + (opp_edge + i) % VERTS_PER_FACE;
1096 /* Propagate lowest index. */
1097 if (new_indices[to] > new_indices[from])
1099 new_indices[to] = new_indices[from];
1100 point_reps[indices[to]] = new_indices[from];
1105 return D3D_OK;
1108 static HRESULT WINAPI d3dx9_mesh_ConvertAdjacencyToPointReps(ID3DXMesh *iface,
1109 const DWORD *adjacency, DWORD *point_reps)
1111 struct d3dx9_mesh *This = impl_from_ID3DXMesh(iface);
1112 HRESULT hr;
1113 DWORD face;
1114 DWORD i;
1115 DWORD *indices = NULL;
1116 WORD *indices_16bit = NULL;
1117 DWORD *new_indices = NULL;
1118 const unsigned int VERTS_PER_FACE = 3;
1120 TRACE("iface %p, adjacency %p, point_reps %p.\n", iface, adjacency, point_reps);
1122 if (!adjacency)
1124 WARN("NULL adjacency.\n");
1125 hr = D3DERR_INVALIDCALL;
1126 goto cleanup;
1129 if (!point_reps)
1131 WARN("NULL point_reps.\n");
1132 hr = D3DERR_INVALIDCALL;
1133 goto cleanup;
1136 /* Should never happen as CreateMesh does not allow meshes with 0 faces */
1137 if (This->numfaces == 0)
1139 ERR("Number of faces was zero.\n");
1140 hr = D3DERR_INVALIDCALL;
1141 goto cleanup;
1144 new_indices = HeapAlloc(GetProcessHeap(), 0, VERTS_PER_FACE * This->numfaces * sizeof(*indices));
1145 if (!new_indices)
1147 hr = E_OUTOFMEMORY;
1148 goto cleanup;
1151 if (This->options & D3DXMESH_32BIT)
1153 hr = iface->lpVtbl->LockIndexBuffer(iface, D3DLOCK_READONLY, (void**)&indices);
1154 if (FAILED(hr)) goto cleanup;
1155 memcpy(new_indices, indices, VERTS_PER_FACE * This->numfaces * sizeof(*indices));
1157 else
1159 /* Make a widening copy of indices_16bit into indices and new_indices
1160 * in order to re-use the helper function */
1161 hr = iface->lpVtbl->LockIndexBuffer(iface, D3DLOCK_READONLY, (void**)&indices_16bit);
1162 if (FAILED(hr)) goto cleanup;
1163 indices = HeapAlloc(GetProcessHeap(), 0, VERTS_PER_FACE * This->numfaces * sizeof(*indices));
1164 if (!indices)
1166 hr = E_OUTOFMEMORY;
1167 goto cleanup;
1169 for (i = 0; i < VERTS_PER_FACE * This->numfaces; i++)
1171 new_indices[i] = indices_16bit[i];
1172 indices[i] = indices_16bit[i];
1176 /* Vertices are ordered sequentially in the point representation. */
1177 for (i = 0; i < This->numvertices; i++)
1179 point_reps[i] = i;
1182 /* Propagate vertices with low indices so as few vertices as possible
1183 * are used in the mesh.
1185 for (face = 0; face < This->numfaces; face++)
1187 hr = propagate_face_vertices(adjacency, point_reps, indices, new_indices, face, This->numfaces);
1188 if (FAILED(hr)) goto cleanup;
1190 /* Go in opposite direction to catch all face orderings */
1191 for (face = 0; face < This->numfaces; face++)
1193 hr = propagate_face_vertices(adjacency, point_reps,
1194 indices, new_indices,
1195 (This->numfaces - 1) - face, This->numfaces);
1196 if (FAILED(hr)) goto cleanup;
1199 hr = D3D_OK;
1200 cleanup:
1201 if (This->options & D3DXMESH_32BIT)
1203 if (indices) iface->lpVtbl->UnlockIndexBuffer(iface);
1205 else
1207 if (indices_16bit) iface->lpVtbl->UnlockIndexBuffer(iface);
1208 HeapFree(GetProcessHeap(), 0, indices);
1210 HeapFree(GetProcessHeap(), 0, new_indices);
1211 return hr;
1214 struct vertex_metadata {
1215 float key;
1216 DWORD vertex_index;
1217 DWORD first_shared_index;
1220 static int compare_vertex_keys(const void *a, const void *b)
1222 const struct vertex_metadata *left = a;
1223 const struct vertex_metadata *right = b;
1224 if (left->key == right->key)
1225 return 0;
1226 return left->key < right->key ? -1 : 1;
1229 static HRESULT WINAPI d3dx9_mesh_GenerateAdjacency(ID3DXMesh *iface, float epsilon, DWORD *adjacency)
1231 struct d3dx9_mesh *This = impl_from_ID3DXMesh(iface);
1232 HRESULT hr;
1233 BYTE *vertices = NULL;
1234 const DWORD *indices = NULL;
1235 DWORD vertex_size;
1236 DWORD buffer_size;
1237 /* sort the vertices by (x + y + z) to quickly find coincident vertices */
1238 struct vertex_metadata *sorted_vertices;
1239 /* shared_indices links together identical indices in the index buffer so
1240 * that adjacency checks can be limited to faces sharing a vertex */
1241 DWORD *shared_indices = NULL;
1242 const FLOAT epsilon_sq = epsilon * epsilon;
1243 DWORD i;
1245 TRACE("iface %p, epsilon %.8e, adjacency %p.\n", iface, epsilon, adjacency);
1247 if (!adjacency)
1248 return D3DERR_INVALIDCALL;
1250 buffer_size = This->numfaces * 3 * sizeof(*shared_indices) + This->numvertices * sizeof(*sorted_vertices);
1251 if (!(This->options & D3DXMESH_32BIT))
1252 buffer_size += This->numfaces * 3 * sizeof(*indices);
1253 shared_indices = HeapAlloc(GetProcessHeap(), 0, buffer_size);
1254 if (!shared_indices)
1255 return E_OUTOFMEMORY;
1256 sorted_vertices = (struct vertex_metadata*)(shared_indices + This->numfaces * 3);
1258 hr = iface->lpVtbl->LockVertexBuffer(iface, D3DLOCK_READONLY, (void**)&vertices);
1259 if (FAILED(hr)) goto cleanup;
1260 hr = iface->lpVtbl->LockIndexBuffer(iface, D3DLOCK_READONLY, (void**)&indices);
1261 if (FAILED(hr)) goto cleanup;
1263 if (!(This->options & D3DXMESH_32BIT)) {
1264 const WORD *word_indices = (const WORD*)indices;
1265 DWORD *dword_indices = (DWORD*)(sorted_vertices + This->numvertices);
1266 indices = dword_indices;
1267 for (i = 0; i < This->numfaces * 3; i++)
1268 *dword_indices++ = *word_indices++;
1271 vertex_size = iface->lpVtbl->GetNumBytesPerVertex(iface);
1272 for (i = 0; i < This->numvertices; i++) {
1273 D3DXVECTOR3 *vertex = (D3DXVECTOR3*)(vertices + vertex_size * i);
1274 sorted_vertices[i].first_shared_index = -1;
1275 sorted_vertices[i].key = vertex->x + vertex->y + vertex->z;
1276 sorted_vertices[i].vertex_index = i;
1278 for (i = 0; i < This->numfaces * 3; i++) {
1279 DWORD *first_shared_index = &sorted_vertices[indices[i]].first_shared_index;
1280 shared_indices[i] = *first_shared_index;
1281 *first_shared_index = i;
1282 adjacency[i] = -1;
1284 qsort(sorted_vertices, This->numvertices, sizeof(*sorted_vertices), compare_vertex_keys);
1286 for (i = 0; i < This->numvertices; i++) {
1287 struct vertex_metadata *sorted_vertex_a = &sorted_vertices[i];
1288 D3DXVECTOR3 *vertex_a = (D3DXVECTOR3*)(vertices + sorted_vertex_a->vertex_index * vertex_size);
1289 DWORD shared_index_a = sorted_vertex_a->first_shared_index;
1291 while (shared_index_a != -1) {
1292 DWORD j = i;
1293 DWORD shared_index_b = shared_indices[shared_index_a];
1294 struct vertex_metadata *sorted_vertex_b = sorted_vertex_a;
1296 while (TRUE) {
1297 while (shared_index_b != -1) {
1298 /* faces are adjacent if they have another coincident vertex */
1299 DWORD base_a = (shared_index_a / 3) * 3;
1300 DWORD base_b = (shared_index_b / 3) * 3;
1301 BOOL adjacent = FALSE;
1302 int k;
1304 for (k = 0; k < 3; k++) {
1305 if (adjacency[base_b + k] == shared_index_a / 3) {
1306 adjacent = TRUE;
1307 break;
1310 if (!adjacent) {
1311 for (k = 1; k <= 2; k++) {
1312 DWORD vertex_index_a = base_a + (shared_index_a + k) % 3;
1313 DWORD vertex_index_b = base_b + (shared_index_b + (3 - k)) % 3;
1314 adjacent = indices[vertex_index_a] == indices[vertex_index_b];
1315 if (!adjacent && epsilon >= 0.0f) {
1316 D3DXVECTOR3 delta = {0.0f, 0.0f, 0.0f};
1317 FLOAT length_sq;
1319 D3DXVec3Subtract(&delta,
1320 (D3DXVECTOR3*)(vertices + indices[vertex_index_a] * vertex_size),
1321 (D3DXVECTOR3*)(vertices + indices[vertex_index_b] * vertex_size));
1322 length_sq = D3DXVec3LengthSq(&delta);
1323 adjacent = epsilon == 0.0f ? length_sq == 0.0f : length_sq < epsilon_sq;
1325 if (adjacent) {
1326 DWORD adj_a = base_a + 2 - (vertex_index_a + shared_index_a + 1) % 3;
1327 DWORD adj_b = base_b + 2 - (vertex_index_b + shared_index_b + 1) % 3;
1328 if (adjacency[adj_a] == -1 && adjacency[adj_b] == -1) {
1329 adjacency[adj_a] = base_b / 3;
1330 adjacency[adj_b] = base_a / 3;
1331 break;
1337 shared_index_b = shared_indices[shared_index_b];
1339 while (++j < This->numvertices) {
1340 D3DXVECTOR3 *vertex_b;
1342 sorted_vertex_b++;
1343 if (sorted_vertex_b->key - sorted_vertex_a->key > epsilon * 3.0f) {
1344 /* no more coincident vertices to try */
1345 j = This->numvertices;
1346 break;
1348 /* check for coincidence */
1349 vertex_b = (D3DXVECTOR3*)(vertices + sorted_vertex_b->vertex_index * vertex_size);
1350 if (fabsf(vertex_a->x - vertex_b->x) <= epsilon &&
1351 fabsf(vertex_a->y - vertex_b->y) <= epsilon &&
1352 fabsf(vertex_a->z - vertex_b->z) <= epsilon)
1354 break;
1357 if (j >= This->numvertices)
1358 break;
1359 shared_index_b = sorted_vertex_b->first_shared_index;
1362 sorted_vertex_a->first_shared_index = shared_indices[sorted_vertex_a->first_shared_index];
1363 shared_index_a = sorted_vertex_a->first_shared_index;
1367 hr = D3D_OK;
1368 cleanup:
1369 if (indices) iface->lpVtbl->UnlockIndexBuffer(iface);
1370 if (vertices) iface->lpVtbl->UnlockVertexBuffer(iface);
1371 HeapFree(GetProcessHeap(), 0, shared_indices);
1372 return hr;
1375 static HRESULT WINAPI d3dx9_mesh_UpdateSemantics(ID3DXMesh *iface, D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE])
1377 struct d3dx9_mesh *This = impl_from_ID3DXMesh(iface);
1378 HRESULT hr;
1379 UINT vertex_declaration_size;
1380 int i;
1382 TRACE("iface %p, declaration %p.\n", iface, declaration);
1384 if (!declaration)
1386 WARN("Invalid declaration. Can't use NULL declaration.\n");
1387 return D3DERR_INVALIDCALL;
1390 /* New declaration must be same size as original */
1391 vertex_declaration_size = D3DXGetDeclVertexSize(declaration, declaration[0].Stream);
1392 if (vertex_declaration_size != This->vertex_declaration_size)
1394 WARN("Invalid declaration. New vertex size does not match the original vertex size.\n");
1395 return D3DERR_INVALIDCALL;
1398 /* New declaration must not contain non-zero Stream value */
1399 for (i = 0; declaration[i].Stream != 0xff; i++)
1401 if (declaration[i].Stream != 0)
1403 WARN("Invalid declaration. New declaration contains non-zero Stream value.\n");
1404 return D3DERR_INVALIDCALL;
1408 This->num_elem = i + 1;
1409 copy_declaration(This->cached_declaration, declaration, This->num_elem);
1411 if (This->vertex_declaration)
1412 IDirect3DVertexDeclaration9_Release(This->vertex_declaration);
1414 /* An application can pass an invalid declaration to UpdateSemantics and
1415 * still expect D3D_OK (see tests). If the declaration is invalid, then
1416 * subsequent calls to DrawSubset will fail. This is handled by setting the
1417 * vertex declaration to NULL.
1418 * GetDeclaration, GetNumBytesPerVertex must, however, use the new
1419 * invalid declaration. This is handled by them using the cached vertex
1420 * declaration instead of the actual vertex declaration.
1422 hr = IDirect3DDevice9_CreateVertexDeclaration(This->device,
1423 declaration,
1424 &This->vertex_declaration);
1425 if (FAILED(hr))
1427 WARN("Using invalid declaration. Calls to DrawSubset will fail.\n");
1428 This->vertex_declaration = NULL;
1431 return D3D_OK;
1434 static HRESULT WINAPI d3dx9_mesh_LockAttributeBuffer(ID3DXMesh *iface, DWORD flags, DWORD **data)
1436 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
1438 TRACE("iface %p, flags %#x, data %p.\n", iface, flags, data);
1440 InterlockedIncrement(&mesh->attrib_buffer_lock_count);
1442 if (!(flags & D3DLOCK_READONLY))
1444 D3DXATTRIBUTERANGE *attrib_table = mesh->attrib_table;
1445 mesh->attrib_table_size = 0;
1446 mesh->attrib_table = NULL;
1447 HeapFree(GetProcessHeap(), 0, attrib_table);
1450 *data = mesh->attrib_buffer;
1452 return D3D_OK;
1455 static HRESULT WINAPI d3dx9_mesh_UnlockAttributeBuffer(ID3DXMesh *iface)
1457 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
1458 int lock_count;
1460 TRACE("iface %p.\n", iface);
1462 lock_count = InterlockedDecrement(&mesh->attrib_buffer_lock_count);
1463 if (lock_count < 0)
1465 InterlockedIncrement(&mesh->attrib_buffer_lock_count);
1466 return D3DERR_INVALIDCALL;
1469 return D3D_OK;
1472 static HRESULT WINAPI d3dx9_mesh_Optimize(ID3DXMesh *iface, DWORD flags, const DWORD *adjacency_in,
1473 DWORD *adjacency_out, DWORD *face_remap, ID3DXBuffer **vertex_remap, ID3DXMesh **opt_mesh)
1475 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
1476 HRESULT hr;
1477 D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE] = { D3DDECL_END() };
1478 ID3DXMesh *optimized_mesh;
1480 TRACE("iface %p, flags %#x, adjacency_in %p, adjacency_out %p, face_remap %p, vertex_remap %p, opt_mesh %p.\n",
1481 iface, flags, adjacency_in, adjacency_out, face_remap, vertex_remap, opt_mesh);
1483 if (!opt_mesh)
1484 return D3DERR_INVALIDCALL;
1486 hr = iface->lpVtbl->GetDeclaration(iface, declaration);
1487 if (FAILED(hr)) return hr;
1489 if (FAILED(hr = iface->lpVtbl->CloneMesh(iface, mesh->options, declaration, mesh->device, &optimized_mesh)))
1490 return hr;
1492 hr = optimized_mesh->lpVtbl->OptimizeInplace(optimized_mesh, flags, adjacency_in, adjacency_out, face_remap, vertex_remap);
1493 if (SUCCEEDED(hr))
1494 *opt_mesh = optimized_mesh;
1495 else
1496 IUnknown_Release(optimized_mesh);
1497 return hr;
1500 /* Creates a vertex_remap that removes unused vertices.
1501 * Indices are updated according to the vertex_remap. */
1502 static HRESULT compact_mesh(struct d3dx9_mesh *This, DWORD *indices,
1503 DWORD *new_num_vertices, ID3DXBuffer **vertex_remap)
1505 HRESULT hr;
1506 DWORD *vertex_remap_ptr;
1507 DWORD num_used_vertices;
1508 DWORD i;
1510 hr = D3DXCreateBuffer(This->numvertices * sizeof(DWORD), vertex_remap);
1511 if (FAILED(hr)) return hr;
1512 vertex_remap_ptr = ID3DXBuffer_GetBufferPointer(*vertex_remap);
1514 for (i = 0; i < This->numfaces * 3; i++)
1515 vertex_remap_ptr[indices[i]] = 1;
1517 /* create old->new vertex mapping */
1518 num_used_vertices = 0;
1519 for (i = 0; i < This->numvertices; i++) {
1520 if (vertex_remap_ptr[i])
1521 vertex_remap_ptr[i] = num_used_vertices++;
1522 else
1523 vertex_remap_ptr[i] = -1;
1525 /* convert indices */
1526 for (i = 0; i < This->numfaces * 3; i++)
1527 indices[i] = vertex_remap_ptr[indices[i]];
1529 /* create new->old vertex mapping */
1530 num_used_vertices = 0;
1531 for (i = 0; i < This->numvertices; i++) {
1532 if (vertex_remap_ptr[i] != -1)
1533 vertex_remap_ptr[num_used_vertices++] = i;
1535 for (i = num_used_vertices; i < This->numvertices; i++)
1536 vertex_remap_ptr[i] = -1;
1538 *new_num_vertices = num_used_vertices;
1540 return D3D_OK;
1543 /* count the number of unique attribute values in a sorted attribute buffer */
1544 static DWORD count_attributes(const DWORD *attrib_buffer, DWORD numfaces)
1546 DWORD last_attribute = attrib_buffer[0];
1547 DWORD attrib_table_size = 1;
1548 DWORD i;
1549 for (i = 1; i < numfaces; i++) {
1550 if (attrib_buffer[i] != last_attribute) {
1551 last_attribute = attrib_buffer[i];
1552 attrib_table_size++;
1555 return attrib_table_size;
1558 static void fill_attribute_table(DWORD *attrib_buffer, DWORD numfaces, void *indices,
1559 BOOL is_32bit_indices, D3DXATTRIBUTERANGE *attrib_table)
1561 DWORD attrib_table_size = 0;
1562 DWORD last_attribute = attrib_buffer[0];
1563 DWORD min_vertex, max_vertex;
1564 DWORD i;
1566 attrib_table[0].AttribId = last_attribute;
1567 attrib_table[0].FaceStart = 0;
1568 min_vertex = (DWORD)-1;
1569 max_vertex = 0;
1570 for (i = 0; i < numfaces; i++) {
1571 DWORD j;
1573 if (attrib_buffer[i] != last_attribute) {
1574 last_attribute = attrib_buffer[i];
1575 attrib_table[attrib_table_size].FaceCount = i - attrib_table[attrib_table_size].FaceStart;
1576 attrib_table[attrib_table_size].VertexStart = min_vertex;
1577 attrib_table[attrib_table_size].VertexCount = max_vertex - min_vertex + 1;
1578 attrib_table_size++;
1579 attrib_table[attrib_table_size].AttribId = attrib_buffer[i];
1580 attrib_table[attrib_table_size].FaceStart = i;
1581 min_vertex = (DWORD)-1;
1582 max_vertex = 0;
1584 for (j = 0; j < 3; j++) {
1585 DWORD vertex_index = is_32bit_indices ? ((DWORD*)indices)[i * 3 + j] : ((WORD*)indices)[i * 3 + j];
1586 if (vertex_index < min_vertex)
1587 min_vertex = vertex_index;
1588 if (vertex_index > max_vertex)
1589 max_vertex = vertex_index;
1592 attrib_table[attrib_table_size].FaceCount = i - attrib_table[attrib_table_size].FaceStart;
1593 attrib_table[attrib_table_size].VertexStart = min_vertex;
1594 attrib_table[attrib_table_size].VertexCount = max_vertex - min_vertex + 1;
1595 attrib_table_size++;
1598 static int attrib_entry_compare(const DWORD **a, const DWORD **b)
1600 const DWORD *ptr_a = *a;
1601 const DWORD *ptr_b = *b;
1602 int delta = *ptr_a - *ptr_b;
1604 if (delta)
1605 return delta;
1607 delta = ptr_a - ptr_b; /* for stable sort */
1608 return delta;
1611 /* Create face_remap, a new attribute buffer for attribute sort optimization. */
1612 static HRESULT remap_faces_for_attrsort(struct d3dx9_mesh *This, const DWORD *indices,
1613 DWORD *attrib_buffer, DWORD **sorted_attrib_buffer, DWORD **face_remap)
1615 DWORD **sorted_attrib_ptr_buffer = NULL;
1616 DWORD i;
1618 sorted_attrib_ptr_buffer = HeapAlloc(GetProcessHeap(), 0, This->numfaces * sizeof(*sorted_attrib_ptr_buffer));
1619 if (!sorted_attrib_ptr_buffer)
1620 return E_OUTOFMEMORY;
1622 *face_remap = HeapAlloc(GetProcessHeap(), 0, This->numfaces * sizeof(**face_remap));
1623 if (!*face_remap)
1625 HeapFree(GetProcessHeap(), 0, sorted_attrib_ptr_buffer);
1626 return E_OUTOFMEMORY;
1629 for (i = 0; i < This->numfaces; i++)
1630 sorted_attrib_ptr_buffer[i] = &attrib_buffer[i];
1631 qsort(sorted_attrib_ptr_buffer, This->numfaces, sizeof(*sorted_attrib_ptr_buffer),
1632 (int(*)(const void *, const void *))attrib_entry_compare);
1634 for (i = 0; i < This->numfaces; i++)
1636 DWORD old_face = sorted_attrib_ptr_buffer[i] - attrib_buffer;
1637 (*face_remap)[old_face] = i;
1640 /* overwrite sorted_attrib_ptr_buffer with the values themselves */
1641 *sorted_attrib_buffer = (DWORD*)sorted_attrib_ptr_buffer;
1642 for (i = 0; i < This->numfaces; i++)
1643 (*sorted_attrib_buffer)[(*face_remap)[i]] = attrib_buffer[i];
1645 return D3D_OK;
1648 static HRESULT WINAPI d3dx9_mesh_OptimizeInplace(ID3DXMesh *iface, DWORD flags, const DWORD *adjacency_in,
1649 DWORD *adjacency_out, DWORD *face_remap_out, ID3DXBuffer **vertex_remap_out)
1651 struct d3dx9_mesh *This = impl_from_ID3DXMesh(iface);
1652 void *indices = NULL;
1653 DWORD *attrib_buffer = NULL;
1654 HRESULT hr;
1655 ID3DXBuffer *vertex_remap = NULL;
1656 DWORD *face_remap = NULL; /* old -> new mapping */
1657 DWORD *dword_indices = NULL;
1658 DWORD new_num_vertices = 0;
1659 DWORD new_num_alloc_vertices = 0;
1660 IDirect3DVertexBuffer9 *vertex_buffer = NULL;
1661 DWORD *sorted_attrib_buffer = NULL;
1662 DWORD i;
1664 TRACE("iface %p, flags %#x, adjacency_in %p, adjacency_out %p, face_remap_out %p, vertex_remap_out %p.\n",
1665 iface, flags, adjacency_in, adjacency_out, face_remap_out, vertex_remap_out);
1667 if (!flags)
1668 return D3DERR_INVALIDCALL;
1669 if (!adjacency_in && (flags & (D3DXMESHOPT_VERTEXCACHE | D3DXMESHOPT_STRIPREORDER)))
1670 return D3DERR_INVALIDCALL;
1671 if ((flags & (D3DXMESHOPT_VERTEXCACHE | D3DXMESHOPT_STRIPREORDER)) == (D3DXMESHOPT_VERTEXCACHE | D3DXMESHOPT_STRIPREORDER))
1672 return D3DERR_INVALIDCALL;
1674 if (flags & (D3DXMESHOPT_VERTEXCACHE | D3DXMESHOPT_STRIPREORDER))
1676 if (flags & D3DXMESHOPT_VERTEXCACHE)
1677 FIXME("D3DXMESHOPT_VERTEXCACHE not implemented.\n");
1678 if (flags & D3DXMESHOPT_STRIPREORDER)
1679 FIXME("D3DXMESHOPT_STRIPREORDER not implemented.\n");
1680 return E_NOTIMPL;
1683 hr = iface->lpVtbl->LockIndexBuffer(iface, 0, &indices);
1684 if (FAILED(hr)) goto cleanup;
1686 dword_indices = HeapAlloc(GetProcessHeap(), 0, This->numfaces * 3 * sizeof(DWORD));
1687 if (!dword_indices) return E_OUTOFMEMORY;
1688 if (This->options & D3DXMESH_32BIT) {
1689 memcpy(dword_indices, indices, This->numfaces * 3 * sizeof(DWORD));
1690 } else {
1691 WORD *word_indices = indices;
1692 for (i = 0; i < This->numfaces * 3; i++)
1693 dword_indices[i] = *word_indices++;
1696 if ((flags & (D3DXMESHOPT_COMPACT | D3DXMESHOPT_IGNOREVERTS | D3DXMESHOPT_ATTRSORT)) == D3DXMESHOPT_COMPACT)
1698 new_num_alloc_vertices = This->numvertices;
1699 hr = compact_mesh(This, dword_indices, &new_num_vertices, &vertex_remap);
1700 if (FAILED(hr)) goto cleanup;
1701 } else if (flags & D3DXMESHOPT_ATTRSORT) {
1702 if (!(flags & D3DXMESHOPT_IGNOREVERTS))
1704 FIXME("D3DXMESHOPT_ATTRSORT vertex reordering not implemented.\n");
1705 hr = E_NOTIMPL;
1706 goto cleanup;
1709 hr = iface->lpVtbl->LockAttributeBuffer(iface, 0, &attrib_buffer);
1710 if (FAILED(hr)) goto cleanup;
1712 hr = remap_faces_for_attrsort(This, dword_indices, attrib_buffer, &sorted_attrib_buffer, &face_remap);
1713 if (FAILED(hr)) goto cleanup;
1716 if (vertex_remap)
1718 /* reorder the vertices using vertex_remap */
1719 D3DVERTEXBUFFER_DESC vertex_desc;
1720 DWORD *vertex_remap_ptr = ID3DXBuffer_GetBufferPointer(vertex_remap);
1721 DWORD vertex_size = iface->lpVtbl->GetNumBytesPerVertex(iface);
1722 BYTE *orig_vertices;
1723 BYTE *new_vertices;
1725 hr = IDirect3DVertexBuffer9_GetDesc(This->vertex_buffer, &vertex_desc);
1726 if (FAILED(hr)) goto cleanup;
1728 hr = IDirect3DDevice9_CreateVertexBuffer(This->device, new_num_alloc_vertices * vertex_size,
1729 vertex_desc.Usage, This->fvf, vertex_desc.Pool, &vertex_buffer, NULL);
1730 if (FAILED(hr)) goto cleanup;
1732 hr = IDirect3DVertexBuffer9_Lock(This->vertex_buffer, 0, 0, (void**)&orig_vertices, D3DLOCK_READONLY);
1733 if (FAILED(hr)) goto cleanup;
1735 hr = IDirect3DVertexBuffer9_Lock(vertex_buffer, 0, 0, (void**)&new_vertices, 0);
1736 if (FAILED(hr)) {
1737 IDirect3DVertexBuffer9_Unlock(This->vertex_buffer);
1738 goto cleanup;
1741 for (i = 0; i < new_num_vertices; i++)
1742 memcpy(new_vertices + i * vertex_size, orig_vertices + vertex_remap_ptr[i] * vertex_size, vertex_size);
1744 IDirect3DVertexBuffer9_Unlock(This->vertex_buffer);
1745 IDirect3DVertexBuffer9_Unlock(vertex_buffer);
1746 } else if (vertex_remap_out) {
1747 DWORD *vertex_remap_ptr;
1749 hr = D3DXCreateBuffer(This->numvertices * sizeof(DWORD), &vertex_remap);
1750 if (FAILED(hr)) goto cleanup;
1751 vertex_remap_ptr = ID3DXBuffer_GetBufferPointer(vertex_remap);
1752 for (i = 0; i < This->numvertices; i++)
1753 *vertex_remap_ptr++ = i;
1756 if (flags & D3DXMESHOPT_ATTRSORT)
1758 D3DXATTRIBUTERANGE *attrib_table;
1759 DWORD attrib_table_size;
1761 attrib_table_size = count_attributes(sorted_attrib_buffer, This->numfaces);
1762 attrib_table = HeapAlloc(GetProcessHeap(), 0, attrib_table_size * sizeof(*attrib_table));
1763 if (!attrib_table) {
1764 hr = E_OUTOFMEMORY;
1765 goto cleanup;
1768 memcpy(attrib_buffer, sorted_attrib_buffer, This->numfaces * sizeof(*attrib_buffer));
1770 /* reorder the indices using face_remap */
1771 if (This->options & D3DXMESH_32BIT) {
1772 for (i = 0; i < This->numfaces; i++)
1773 memcpy((DWORD*)indices + face_remap[i] * 3, dword_indices + i * 3, 3 * sizeof(DWORD));
1774 } else {
1775 WORD *word_indices = indices;
1776 for (i = 0; i < This->numfaces; i++) {
1777 DWORD new_pos = face_remap[i] * 3;
1778 DWORD old_pos = i * 3;
1779 word_indices[new_pos++] = dword_indices[old_pos++];
1780 word_indices[new_pos++] = dword_indices[old_pos++];
1781 word_indices[new_pos] = dword_indices[old_pos];
1785 fill_attribute_table(attrib_buffer, This->numfaces, indices,
1786 This->options & D3DXMESH_32BIT, attrib_table);
1788 HeapFree(GetProcessHeap(), 0, This->attrib_table);
1789 This->attrib_table = attrib_table;
1790 This->attrib_table_size = attrib_table_size;
1791 } else {
1792 if (This->options & D3DXMESH_32BIT) {
1793 memcpy(indices, dword_indices, This->numfaces * 3 * sizeof(DWORD));
1794 } else {
1795 WORD *word_indices = indices;
1796 for (i = 0; i < This->numfaces * 3; i++)
1797 *word_indices++ = dword_indices[i];
1801 if (adjacency_out) {
1802 if (face_remap) {
1803 for (i = 0; i < This->numfaces; i++) {
1804 DWORD old_pos = i * 3;
1805 DWORD new_pos = face_remap[i] * 3;
1806 adjacency_out[new_pos++] = face_remap[adjacency_in[old_pos++]];
1807 adjacency_out[new_pos++] = face_remap[adjacency_in[old_pos++]];
1808 adjacency_out[new_pos++] = face_remap[adjacency_in[old_pos++]];
1810 } else {
1811 memcpy(adjacency_out, adjacency_in, This->numfaces * 3 * sizeof(*adjacency_out));
1814 if (face_remap_out) {
1815 if (face_remap) {
1816 for (i = 0; i < This->numfaces; i++)
1817 face_remap_out[face_remap[i]] = i;
1818 } else {
1819 for (i = 0; i < This->numfaces; i++)
1820 face_remap_out[i] = i;
1823 if (vertex_remap_out)
1824 *vertex_remap_out = vertex_remap;
1825 vertex_remap = NULL;
1827 if (vertex_buffer) {
1828 IDirect3DVertexBuffer9_Release(This->vertex_buffer);
1829 This->vertex_buffer = vertex_buffer;
1830 vertex_buffer = NULL;
1831 This->numvertices = new_num_vertices;
1834 hr = D3D_OK;
1835 cleanup:
1836 HeapFree(GetProcessHeap(), 0, sorted_attrib_buffer);
1837 HeapFree(GetProcessHeap(), 0, face_remap);
1838 HeapFree(GetProcessHeap(), 0, dword_indices);
1839 if (vertex_remap) ID3DXBuffer_Release(vertex_remap);
1840 if (vertex_buffer) IDirect3DVertexBuffer9_Release(vertex_buffer);
1841 if (attrib_buffer) iface->lpVtbl->UnlockAttributeBuffer(iface);
1842 if (indices) iface->lpVtbl->UnlockIndexBuffer(iface);
1843 return hr;
1846 static HRESULT WINAPI d3dx9_mesh_SetAttributeTable(ID3DXMesh *iface,
1847 const D3DXATTRIBUTERANGE *attrib_table, DWORD attrib_table_size)
1849 struct d3dx9_mesh *mesh = impl_from_ID3DXMesh(iface);
1850 D3DXATTRIBUTERANGE *new_table = NULL;
1852 TRACE("iface %p, attrib_table %p, attrib_table_size %u.\n", iface, attrib_table, attrib_table_size);
1854 if (attrib_table_size) {
1855 size_t size = attrib_table_size * sizeof(*attrib_table);
1857 new_table = HeapAlloc(GetProcessHeap(), 0, size);
1858 if (!new_table)
1859 return E_OUTOFMEMORY;
1861 CopyMemory(new_table, attrib_table, size);
1862 } else if (attrib_table) {
1863 return D3DERR_INVALIDCALL;
1865 HeapFree(GetProcessHeap(), 0, mesh->attrib_table);
1866 mesh->attrib_table = new_table;
1867 mesh->attrib_table_size = attrib_table_size;
1869 return D3D_OK;
1872 static const struct ID3DXMeshVtbl D3DXMesh_Vtbl =
1874 d3dx9_mesh_QueryInterface,
1875 d3dx9_mesh_AddRef,
1876 d3dx9_mesh_Release,
1877 d3dx9_mesh_DrawSubset,
1878 d3dx9_mesh_GetNumFaces,
1879 d3dx9_mesh_GetNumVertices,
1880 d3dx9_mesh_GetFVF,
1881 d3dx9_mesh_GetDeclaration,
1882 d3dx9_mesh_GetNumBytesPerVertex,
1883 d3dx9_mesh_GetOptions,
1884 d3dx9_mesh_GetDevice,
1885 d3dx9_mesh_CloneMeshFVF,
1886 d3dx9_mesh_CloneMesh,
1887 d3dx9_mesh_GetVertexBuffer,
1888 d3dx9_mesh_GetIndexBuffer,
1889 d3dx9_mesh_LockVertexBuffer,
1890 d3dx9_mesh_UnlockVertexBuffer,
1891 d3dx9_mesh_LockIndexBuffer,
1892 d3dx9_mesh_UnlockIndexBuffer,
1893 d3dx9_mesh_GetAttributeTable,
1894 d3dx9_mesh_ConvertPointRepsToAdjacency,
1895 d3dx9_mesh_ConvertAdjacencyToPointReps,
1896 d3dx9_mesh_GenerateAdjacency,
1897 d3dx9_mesh_UpdateSemantics,
1898 d3dx9_mesh_LockAttributeBuffer,
1899 d3dx9_mesh_UnlockAttributeBuffer,
1900 d3dx9_mesh_Optimize,
1901 d3dx9_mesh_OptimizeInplace,
1902 d3dx9_mesh_SetAttributeTable,
1906 /* Algorithm taken from the article: An Efficient and Robust Ray-Box Intersection Algorithm
1907 Amy Williams University of Utah
1908 Steve Barrus University of Utah
1909 R. Keith Morley University of Utah
1910 Peter Shirley University of Utah
1912 International Conference on Computer Graphics and Interactive Techniques archive
1913 ACM SIGGRAPH 2005 Courses
1914 Los Angeles, California
1916 This algorithm is free of patents or of copyrights, as confirmed by Peter Shirley himself.
1918 Algorithm: Consider the box as the intersection of three slabs. Clip the ray
1919 against each slab, if there's anything left of the ray after we're
1920 done we've got an intersection of the ray with the box. */
1921 BOOL WINAPI D3DXBoxBoundProbe(const D3DXVECTOR3 *pmin, const D3DXVECTOR3 *pmax,
1922 const D3DXVECTOR3 *prayposition, const D3DXVECTOR3 *praydirection)
1924 FLOAT div, tmin, tmax, tymin, tymax, tzmin, tzmax;
1926 div = 1.0f / praydirection->x;
1927 if ( div >= 0.0f )
1929 tmin = ( pmin->x - prayposition->x ) * div;
1930 tmax = ( pmax->x - prayposition->x ) * div;
1932 else
1934 tmin = ( pmax->x - prayposition->x ) * div;
1935 tmax = ( pmin->x - prayposition->x ) * div;
1938 if ( tmax < 0.0f ) return FALSE;
1940 div = 1.0f / praydirection->y;
1941 if ( div >= 0.0f )
1943 tymin = ( pmin->y - prayposition->y ) * div;
1944 tymax = ( pmax->y - prayposition->y ) * div;
1946 else
1948 tymin = ( pmax->y - prayposition->y ) * div;
1949 tymax = ( pmin->y - prayposition->y ) * div;
1952 if ( ( tymax < 0.0f ) || ( tmin > tymax ) || ( tymin > tmax ) ) return FALSE;
1954 if ( tymin > tmin ) tmin = tymin;
1955 if ( tymax < tmax ) tmax = tymax;
1957 div = 1.0f / praydirection->z;
1958 if ( div >= 0.0f )
1960 tzmin = ( pmin->z - prayposition->z ) * div;
1961 tzmax = ( pmax->z - prayposition->z ) * div;
1963 else
1965 tzmin = ( pmax->z - prayposition->z ) * div;
1966 tzmax = ( pmin->z - prayposition->z ) * div;
1969 if ( (tzmax < 0.0f ) || ( tmin > tzmax ) || ( tzmin > tmax ) ) return FALSE;
1971 return TRUE;
1974 HRESULT WINAPI D3DXComputeBoundingBox(const D3DXVECTOR3 *pfirstposition,
1975 DWORD numvertices, DWORD dwstride, D3DXVECTOR3 *pmin, D3DXVECTOR3 *pmax)
1977 D3DXVECTOR3 vec;
1978 unsigned int i;
1980 if( !pfirstposition || !pmin || !pmax ) return D3DERR_INVALIDCALL;
1982 *pmin = *pfirstposition;
1983 *pmax = *pmin;
1985 for(i=0; i<numvertices; i++)
1987 vec = *( (const D3DXVECTOR3*)((const char*)pfirstposition + dwstride * i) );
1989 if ( vec.x < pmin->x ) pmin->x = vec.x;
1990 if ( vec.x > pmax->x ) pmax->x = vec.x;
1992 if ( vec.y < pmin->y ) pmin->y = vec.y;
1993 if ( vec.y > pmax->y ) pmax->y = vec.y;
1995 if ( vec.z < pmin->z ) pmin->z = vec.z;
1996 if ( vec.z > pmax->z ) pmax->z = vec.z;
1999 return D3D_OK;
2002 HRESULT WINAPI D3DXComputeBoundingSphere(const D3DXVECTOR3 *pfirstposition,
2003 DWORD numvertices, DWORD dwstride, D3DXVECTOR3 *pcenter, float *pradius)
2005 D3DXVECTOR3 temp;
2006 FLOAT d;
2007 unsigned int i;
2009 if( !pfirstposition || !pcenter || !pradius ) return D3DERR_INVALIDCALL;
2011 temp.x = 0.0f;
2012 temp.y = 0.0f;
2013 temp.z = 0.0f;
2014 *pradius = 0.0f;
2016 for(i=0; i<numvertices; i++)
2017 D3DXVec3Add(&temp, &temp, (const D3DXVECTOR3*)((const char*)pfirstposition + dwstride * i));
2019 D3DXVec3Scale(pcenter, &temp, 1.0f / numvertices);
2021 for(i=0; i<numvertices; i++)
2023 d = D3DXVec3Length(D3DXVec3Subtract(&temp, (const D3DXVECTOR3*)((const char*)pfirstposition + dwstride * i), pcenter));
2024 if ( d > *pradius ) *pradius = d;
2026 return D3D_OK;
2029 static void append_decl_element(D3DVERTEXELEMENT9 *declaration, UINT *idx, UINT *offset,
2030 D3DDECLTYPE type, D3DDECLUSAGE usage, UINT usage_idx)
2032 declaration[*idx].Stream = 0;
2033 declaration[*idx].Offset = *offset;
2034 declaration[*idx].Type = type;
2035 declaration[*idx].Method = D3DDECLMETHOD_DEFAULT;
2036 declaration[*idx].Usage = usage;
2037 declaration[*idx].UsageIndex = usage_idx;
2039 *offset += d3dx_decltype_size[type];
2040 ++(*idx);
2043 /*************************************************************************
2044 * D3DXDeclaratorFromFVF
2046 HRESULT WINAPI D3DXDeclaratorFromFVF(DWORD fvf, D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE])
2048 static const D3DVERTEXELEMENT9 end_element = D3DDECL_END();
2049 DWORD tex_count = (fvf & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT;
2050 unsigned int offset = 0;
2051 unsigned int idx = 0;
2052 unsigned int i;
2054 TRACE("fvf %#x, declaration %p.\n", fvf, declaration);
2056 if (fvf & (D3DFVF_RESERVED0 | D3DFVF_RESERVED2)) return D3DERR_INVALIDCALL;
2058 if (fvf & D3DFVF_POSITION_MASK)
2060 BOOL has_blend = (fvf & D3DFVF_XYZB5) >= D3DFVF_XYZB1;
2061 DWORD blend_count = 1 + (((fvf & D3DFVF_XYZB5) - D3DFVF_XYZB1) >> 1);
2062 BOOL has_blend_idx = (fvf & D3DFVF_LASTBETA_D3DCOLOR) || (fvf & D3DFVF_LASTBETA_UBYTE4);
2064 if (has_blend_idx) --blend_count;
2066 if ((fvf & D3DFVF_POSITION_MASK) == D3DFVF_XYZW
2067 || (has_blend && blend_count > 4))
2068 return D3DERR_INVALIDCALL;
2070 if ((fvf & D3DFVF_POSITION_MASK) == D3DFVF_XYZRHW)
2071 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT4, D3DDECLUSAGE_POSITIONT, 0);
2072 else
2073 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT3, D3DDECLUSAGE_POSITION, 0);
2075 if (has_blend)
2077 switch (blend_count)
2079 case 0:
2080 break;
2081 case 1:
2082 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT1, D3DDECLUSAGE_BLENDWEIGHT, 0);
2083 break;
2084 case 2:
2085 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT2, D3DDECLUSAGE_BLENDWEIGHT, 0);
2086 break;
2087 case 3:
2088 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT3, D3DDECLUSAGE_BLENDWEIGHT, 0);
2089 break;
2090 case 4:
2091 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT4, D3DDECLUSAGE_BLENDWEIGHT, 0);
2092 break;
2093 default:
2094 ERR("Invalid blend count %u.\n", blend_count);
2095 break;
2098 if (has_blend_idx)
2100 if (fvf & D3DFVF_LASTBETA_UBYTE4)
2101 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_UBYTE4, D3DDECLUSAGE_BLENDINDICES, 0);
2102 else if (fvf & D3DFVF_LASTBETA_D3DCOLOR)
2103 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_D3DCOLOR, D3DDECLUSAGE_BLENDINDICES, 0);
2108 if (fvf & D3DFVF_NORMAL)
2109 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT3, D3DDECLUSAGE_NORMAL, 0);
2110 if (fvf & D3DFVF_PSIZE)
2111 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT1, D3DDECLUSAGE_PSIZE, 0);
2112 if (fvf & D3DFVF_DIFFUSE)
2113 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_D3DCOLOR, D3DDECLUSAGE_COLOR, 0);
2114 if (fvf & D3DFVF_SPECULAR)
2115 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_D3DCOLOR, D3DDECLUSAGE_COLOR, 1);
2117 for (i = 0; i < tex_count; ++i)
2119 switch ((fvf >> (16 + 2 * i)) & 0x03)
2121 case D3DFVF_TEXTUREFORMAT1:
2122 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT1, D3DDECLUSAGE_TEXCOORD, i);
2123 break;
2124 case D3DFVF_TEXTUREFORMAT2:
2125 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT2, D3DDECLUSAGE_TEXCOORD, i);
2126 break;
2127 case D3DFVF_TEXTUREFORMAT3:
2128 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT3, D3DDECLUSAGE_TEXCOORD, i);
2129 break;
2130 case D3DFVF_TEXTUREFORMAT4:
2131 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT4, D3DDECLUSAGE_TEXCOORD, i);
2132 break;
2136 declaration[idx] = end_element;
2138 return D3D_OK;
2141 /*************************************************************************
2142 * D3DXFVFFromDeclarator
2144 HRESULT WINAPI D3DXFVFFromDeclarator(const D3DVERTEXELEMENT9 *declaration, DWORD *fvf)
2146 unsigned int i = 0, texture, offset;
2148 TRACE("(%p, %p)\n", declaration, fvf);
2150 *fvf = 0;
2151 if (declaration[0].Type == D3DDECLTYPE_FLOAT3 && declaration[0].Usage == D3DDECLUSAGE_POSITION)
2153 if ((declaration[1].Type == D3DDECLTYPE_FLOAT4 && declaration[1].Usage == D3DDECLUSAGE_BLENDWEIGHT &&
2154 declaration[1].UsageIndex == 0) &&
2155 (declaration[2].Type == D3DDECLTYPE_FLOAT1 && declaration[2].Usage == D3DDECLUSAGE_BLENDINDICES &&
2156 declaration[2].UsageIndex == 0))
2158 return D3DERR_INVALIDCALL;
2160 else if ((declaration[1].Type == D3DDECLTYPE_UBYTE4 || declaration[1].Type == D3DDECLTYPE_D3DCOLOR) &&
2161 declaration[1].Usage == D3DDECLUSAGE_BLENDINDICES && declaration[1].UsageIndex == 0)
2163 if (declaration[1].Type == D3DDECLTYPE_UBYTE4)
2165 *fvf |= D3DFVF_XYZB1 | D3DFVF_LASTBETA_UBYTE4;
2167 else
2169 *fvf |= D3DFVF_XYZB1 | D3DFVF_LASTBETA_D3DCOLOR;
2171 i = 2;
2173 else if (declaration[1].Type <= D3DDECLTYPE_FLOAT4 && declaration[1].Usage == D3DDECLUSAGE_BLENDWEIGHT &&
2174 declaration[1].UsageIndex == 0)
2176 if ((declaration[2].Type == D3DDECLTYPE_UBYTE4 || declaration[2].Type == D3DDECLTYPE_D3DCOLOR) &&
2177 declaration[2].Usage == D3DDECLUSAGE_BLENDINDICES && declaration[2].UsageIndex == 0)
2179 if (declaration[2].Type == D3DDECLTYPE_UBYTE4)
2181 *fvf |= D3DFVF_LASTBETA_UBYTE4;
2183 else
2185 *fvf |= D3DFVF_LASTBETA_D3DCOLOR;
2187 switch (declaration[1].Type)
2189 case D3DDECLTYPE_FLOAT1: *fvf |= D3DFVF_XYZB2; break;
2190 case D3DDECLTYPE_FLOAT2: *fvf |= D3DFVF_XYZB3; break;
2191 case D3DDECLTYPE_FLOAT3: *fvf |= D3DFVF_XYZB4; break;
2192 case D3DDECLTYPE_FLOAT4: *fvf |= D3DFVF_XYZB5; break;
2194 i = 3;
2196 else
2198 switch (declaration[1].Type)
2200 case D3DDECLTYPE_FLOAT1: *fvf |= D3DFVF_XYZB1; break;
2201 case D3DDECLTYPE_FLOAT2: *fvf |= D3DFVF_XYZB2; break;
2202 case D3DDECLTYPE_FLOAT3: *fvf |= D3DFVF_XYZB3; break;
2203 case D3DDECLTYPE_FLOAT4: *fvf |= D3DFVF_XYZB4; break;
2205 i = 2;
2208 else
2210 *fvf |= D3DFVF_XYZ;
2211 i = 1;
2214 else if (declaration[0].Type == D3DDECLTYPE_FLOAT4 && declaration[0].Usage == D3DDECLUSAGE_POSITIONT &&
2215 declaration[0].UsageIndex == 0)
2217 *fvf |= D3DFVF_XYZRHW;
2218 i = 1;
2221 if (declaration[i].Type == D3DDECLTYPE_FLOAT3 && declaration[i].Usage == D3DDECLUSAGE_NORMAL)
2223 *fvf |= D3DFVF_NORMAL;
2224 i++;
2226 if (declaration[i].Type == D3DDECLTYPE_FLOAT1 && declaration[i].Usage == D3DDECLUSAGE_PSIZE &&
2227 declaration[i].UsageIndex == 0)
2229 *fvf |= D3DFVF_PSIZE;
2230 i++;
2232 if (declaration[i].Type == D3DDECLTYPE_D3DCOLOR && declaration[i].Usage == D3DDECLUSAGE_COLOR &&
2233 declaration[i].UsageIndex == 0)
2235 *fvf |= D3DFVF_DIFFUSE;
2236 i++;
2238 if (declaration[i].Type == D3DDECLTYPE_D3DCOLOR && declaration[i].Usage == D3DDECLUSAGE_COLOR &&
2239 declaration[i].UsageIndex == 1)
2241 *fvf |= D3DFVF_SPECULAR;
2242 i++;
2245 for (texture = 0; texture < D3DDP_MAXTEXCOORD; i++, texture++)
2247 if (declaration[i].Stream == 0xFF)
2249 break;
2251 else if (declaration[i].Type == D3DDECLTYPE_FLOAT1 && declaration[i].Usage == D3DDECLUSAGE_TEXCOORD &&
2252 declaration[i].UsageIndex == texture)
2254 *fvf |= D3DFVF_TEXCOORDSIZE1(declaration[i].UsageIndex);
2256 else if (declaration[i].Type == D3DDECLTYPE_FLOAT2 && declaration[i].Usage == D3DDECLUSAGE_TEXCOORD &&
2257 declaration[i].UsageIndex == texture)
2259 *fvf |= D3DFVF_TEXCOORDSIZE2(declaration[i].UsageIndex);
2261 else if (declaration[i].Type == D3DDECLTYPE_FLOAT3 && declaration[i].Usage == D3DDECLUSAGE_TEXCOORD &&
2262 declaration[i].UsageIndex == texture)
2264 *fvf |= D3DFVF_TEXCOORDSIZE3(declaration[i].UsageIndex);
2266 else if (declaration[i].Type == D3DDECLTYPE_FLOAT4 && declaration[i].Usage == D3DDECLUSAGE_TEXCOORD &&
2267 declaration[i].UsageIndex == texture)
2269 *fvf |= D3DFVF_TEXCOORDSIZE4(declaration[i].UsageIndex);
2271 else
2273 return D3DERR_INVALIDCALL;
2277 *fvf |= (texture << D3DFVF_TEXCOUNT_SHIFT);
2279 for (offset = 0, i = 0; declaration[i].Stream != 0xFF;
2280 offset += d3dx_decltype_size[declaration[i].Type], i++)
2282 if (declaration[i].Offset != offset)
2284 return D3DERR_INVALIDCALL;
2288 return D3D_OK;
2291 /*************************************************************************
2292 * D3DXGetFVFVertexSize
2294 static UINT Get_TexCoord_Size_From_FVF(DWORD FVF, int tex_num)
2296 return (((((FVF) >> (16 + (2 * (tex_num)))) + 1) & 0x03) + 1);
2299 UINT WINAPI D3DXGetFVFVertexSize(DWORD FVF)
2301 DWORD size = 0;
2302 UINT i;
2303 UINT numTextures = (FVF & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT;
2305 if (FVF & D3DFVF_NORMAL) size += sizeof(D3DXVECTOR3);
2306 if (FVF & D3DFVF_DIFFUSE) size += sizeof(DWORD);
2307 if (FVF & D3DFVF_SPECULAR) size += sizeof(DWORD);
2308 if (FVF & D3DFVF_PSIZE) size += sizeof(DWORD);
2310 switch (FVF & D3DFVF_POSITION_MASK)
2312 case D3DFVF_XYZ: size += sizeof(D3DXVECTOR3); break;
2313 case D3DFVF_XYZRHW: size += 4 * sizeof(FLOAT); break;
2314 case D3DFVF_XYZB1: size += 4 * sizeof(FLOAT); break;
2315 case D3DFVF_XYZB2: size += 5 * sizeof(FLOAT); break;
2316 case D3DFVF_XYZB3: size += 6 * sizeof(FLOAT); break;
2317 case D3DFVF_XYZB4: size += 7 * sizeof(FLOAT); break;
2318 case D3DFVF_XYZB5: size += 8 * sizeof(FLOAT); break;
2319 case D3DFVF_XYZW: size += 4 * sizeof(FLOAT); break;
2322 for (i = 0; i < numTextures; i++)
2324 size += Get_TexCoord_Size_From_FVF(FVF, i) * sizeof(FLOAT);
2327 return size;
2330 /*************************************************************************
2331 * D3DXGetDeclVertexSize
2333 UINT WINAPI D3DXGetDeclVertexSize(const D3DVERTEXELEMENT9 *decl, DWORD stream_idx)
2335 const D3DVERTEXELEMENT9 *element;
2336 UINT size = 0;
2338 TRACE("decl %p, stream_idx %u\n", decl, stream_idx);
2340 if (!decl) return 0;
2342 for (element = decl; element->Stream != 0xff; ++element)
2344 UINT type_size;
2346 if (element->Stream != stream_idx) continue;
2348 if (element->Type >= sizeof(d3dx_decltype_size) / sizeof(*d3dx_decltype_size))
2350 FIXME("Unhandled element type %#x, size will be incorrect.\n", element->Type);
2351 continue;
2354 type_size = d3dx_decltype_size[element->Type];
2355 if (element->Offset + type_size > size) size = element->Offset + type_size;
2358 return size;
2361 /*************************************************************************
2362 * D3DXGetDeclLength
2364 UINT WINAPI D3DXGetDeclLength(const D3DVERTEXELEMENT9 *decl)
2366 const D3DVERTEXELEMENT9 *element;
2368 TRACE("decl %p\n", decl);
2370 /* null decl results in exception on Windows XP */
2372 for (element = decl; element->Stream != 0xff; ++element);
2374 return element - decl;
2377 BOOL WINAPI D3DXIntersectTri(const D3DXVECTOR3 *p0, const D3DXVECTOR3 *p1, const D3DXVECTOR3 *p2,
2378 const D3DXVECTOR3 *praypos, const D3DXVECTOR3 *praydir, float *pu, float *pv, float *pdist)
2380 D3DXMATRIX m;
2381 D3DXVECTOR4 vec;
2383 m.u.m[0][0] = p1->x - p0->x;
2384 m.u.m[1][0] = p2->x - p0->x;
2385 m.u.m[2][0] = -praydir->x;
2386 m.u.m[3][0] = 0.0f;
2387 m.u.m[0][1] = p1->y - p0->z;
2388 m.u.m[1][1] = p2->y - p0->z;
2389 m.u.m[2][1] = -praydir->y;
2390 m.u.m[3][1] = 0.0f;
2391 m.u.m[0][2] = p1->z - p0->z;
2392 m.u.m[1][2] = p2->z - p0->z;
2393 m.u.m[2][2] = -praydir->z;
2394 m.u.m[3][2] = 0.0f;
2395 m.u.m[0][3] = 0.0f;
2396 m.u.m[1][3] = 0.0f;
2397 m.u.m[2][3] = 0.0f;
2398 m.u.m[3][3] = 1.0f;
2400 vec.x = praypos->x - p0->x;
2401 vec.y = praypos->y - p0->y;
2402 vec.z = praypos->z - p0->z;
2403 vec.w = 0.0f;
2405 if ( D3DXMatrixInverse(&m, NULL, &m) )
2407 D3DXVec4Transform(&vec, &vec, &m);
2408 if ( (vec.x >= 0.0f) && (vec.y >= 0.0f) && (vec.x + vec.y <= 1.0f) && (vec.z >= 0.0f) )
2410 if (pu) *pu = vec.x;
2411 if (pv) *pv = vec.y;
2412 if (pdist) *pdist = fabsf( vec.z );
2413 return TRUE;
2417 return FALSE;
2420 BOOL WINAPI D3DXSphereBoundProbe(const D3DXVECTOR3 *pcenter, float radius,
2421 const D3DXVECTOR3 *prayposition, const D3DXVECTOR3 *praydirection)
2423 D3DXVECTOR3 difference;
2424 FLOAT a, b, c, d;
2426 a = D3DXVec3LengthSq(praydirection);
2427 if (!D3DXVec3Subtract(&difference, prayposition, pcenter)) return FALSE;
2428 b = D3DXVec3Dot(&difference, praydirection);
2429 c = D3DXVec3LengthSq(&difference) - radius * radius;
2430 d = b * b - a * c;
2432 if ( ( d <= 0.0f ) || ( sqrt(d) <= b ) ) return FALSE;
2433 return TRUE;
2436 /*************************************************************************
2437 * D3DXCreateMesh
2439 HRESULT WINAPI D3DXCreateMesh(DWORD numfaces, DWORD numvertices, DWORD options,
2440 const D3DVERTEXELEMENT9 *declaration, struct IDirect3DDevice9 *device, struct ID3DXMesh **mesh)
2442 HRESULT hr;
2443 DWORD fvf;
2444 IDirect3DVertexDeclaration9 *vertex_declaration;
2445 UINT vertex_declaration_size;
2446 UINT num_elem;
2447 IDirect3DVertexBuffer9 *vertex_buffer;
2448 IDirect3DIndexBuffer9 *index_buffer;
2449 DWORD *attrib_buffer;
2450 struct d3dx9_mesh *object;
2451 DWORD index_usage = 0;
2452 D3DPOOL index_pool = D3DPOOL_DEFAULT;
2453 D3DFORMAT index_format = D3DFMT_INDEX16;
2454 DWORD vertex_usage = 0;
2455 D3DPOOL vertex_pool = D3DPOOL_DEFAULT;
2456 int i;
2458 TRACE("numfaces %u, numvertices %u, options %#x, declaration %p, device %p, mesh %p.\n",
2459 numfaces, numvertices, options, declaration, device, mesh);
2461 if (numfaces == 0 || numvertices == 0 || declaration == NULL || device == NULL || mesh == NULL ||
2462 /* D3DXMESH_VB_SHARE is for cloning, and D3DXMESH_USEHWONLY is for ConvertToBlendedMesh */
2463 (options & (D3DXMESH_VB_SHARE | D3DXMESH_USEHWONLY | 0xfffe0000)))
2465 return D3DERR_INVALIDCALL;
2467 for (i = 0; declaration[i].Stream != 0xff; i++)
2468 if (declaration[i].Stream != 0)
2469 return D3DERR_INVALIDCALL;
2470 num_elem = i + 1;
2472 if (options & D3DXMESH_32BIT)
2473 index_format = D3DFMT_INDEX32;
2475 if (options & D3DXMESH_DONOTCLIP) {
2476 index_usage |= D3DUSAGE_DONOTCLIP;
2477 vertex_usage |= D3DUSAGE_DONOTCLIP;
2479 if (options & D3DXMESH_POINTS) {
2480 index_usage |= D3DUSAGE_POINTS;
2481 vertex_usage |= D3DUSAGE_POINTS;
2483 if (options & D3DXMESH_RTPATCHES) {
2484 index_usage |= D3DUSAGE_RTPATCHES;
2485 vertex_usage |= D3DUSAGE_RTPATCHES;
2487 if (options & D3DXMESH_NPATCHES) {
2488 index_usage |= D3DUSAGE_NPATCHES;
2489 vertex_usage |= D3DUSAGE_NPATCHES;
2492 if (options & D3DXMESH_VB_SYSTEMMEM)
2493 vertex_pool = D3DPOOL_SYSTEMMEM;
2494 else if (options & D3DXMESH_VB_MANAGED)
2495 vertex_pool = D3DPOOL_MANAGED;
2497 if (options & D3DXMESH_VB_WRITEONLY)
2498 vertex_usage |= D3DUSAGE_WRITEONLY;
2499 if (options & D3DXMESH_VB_DYNAMIC)
2500 vertex_usage |= D3DUSAGE_DYNAMIC;
2501 if (options & D3DXMESH_VB_SOFTWAREPROCESSING)
2502 vertex_usage |= D3DUSAGE_SOFTWAREPROCESSING;
2504 if (options & D3DXMESH_IB_SYSTEMMEM)
2505 index_pool = D3DPOOL_SYSTEMMEM;
2506 else if (options & D3DXMESH_IB_MANAGED)
2507 index_pool = D3DPOOL_MANAGED;
2509 if (options & D3DXMESH_IB_WRITEONLY)
2510 index_usage |= D3DUSAGE_WRITEONLY;
2511 if (options & D3DXMESH_IB_DYNAMIC)
2512 index_usage |= D3DUSAGE_DYNAMIC;
2513 if (options & D3DXMESH_IB_SOFTWAREPROCESSING)
2514 index_usage |= D3DUSAGE_SOFTWAREPROCESSING;
2516 hr = D3DXFVFFromDeclarator(declaration, &fvf);
2517 if (hr != D3D_OK)
2519 fvf = 0;
2522 /* Create vertex declaration */
2523 hr = IDirect3DDevice9_CreateVertexDeclaration(device,
2524 declaration,
2525 &vertex_declaration);
2526 if (FAILED(hr))
2528 WARN("Unexpected return value %x from IDirect3DDevice9_CreateVertexDeclaration.\n",hr);
2529 return hr;
2531 vertex_declaration_size = D3DXGetDeclVertexSize(declaration, declaration[0].Stream);
2533 /* Create vertex buffer */
2534 hr = IDirect3DDevice9_CreateVertexBuffer(device,
2535 numvertices * vertex_declaration_size,
2536 vertex_usage,
2537 fvf,
2538 vertex_pool,
2539 &vertex_buffer,
2540 NULL);
2541 if (FAILED(hr))
2543 WARN("Unexpected return value %x from IDirect3DDevice9_CreateVertexBuffer.\n",hr);
2544 IDirect3DVertexDeclaration9_Release(vertex_declaration);
2545 return hr;
2548 /* Create index buffer */
2549 hr = IDirect3DDevice9_CreateIndexBuffer(device,
2550 numfaces * 3 * ((index_format == D3DFMT_INDEX16) ? 2 : 4),
2551 index_usage,
2552 index_format,
2553 index_pool,
2554 &index_buffer,
2555 NULL);
2556 if (FAILED(hr))
2558 WARN("Unexpected return value %x from IDirect3DDevice9_CreateVertexBuffer.\n",hr);
2559 IDirect3DVertexBuffer9_Release(vertex_buffer);
2560 IDirect3DVertexDeclaration9_Release(vertex_declaration);
2561 return hr;
2564 attrib_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, numfaces * sizeof(*attrib_buffer));
2565 object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
2566 if (object == NULL || attrib_buffer == NULL)
2568 HeapFree(GetProcessHeap(), 0, object);
2569 HeapFree(GetProcessHeap(), 0, attrib_buffer);
2570 IDirect3DIndexBuffer9_Release(index_buffer);
2571 IDirect3DVertexBuffer9_Release(vertex_buffer);
2572 IDirect3DVertexDeclaration9_Release(vertex_declaration);
2573 *mesh = NULL;
2574 return E_OUTOFMEMORY;
2576 object->ID3DXMesh_iface.lpVtbl = &D3DXMesh_Vtbl;
2577 object->ref = 1;
2579 object->numfaces = numfaces;
2580 object->numvertices = numvertices;
2581 object->options = options;
2582 object->fvf = fvf;
2583 object->device = device;
2584 IDirect3DDevice9_AddRef(device);
2586 copy_declaration(object->cached_declaration, declaration, num_elem);
2587 object->vertex_declaration = vertex_declaration;
2588 object->vertex_declaration_size = vertex_declaration_size;
2589 object->num_elem = num_elem;
2590 object->vertex_buffer = vertex_buffer;
2591 object->index_buffer = index_buffer;
2592 object->attrib_buffer = attrib_buffer;
2594 *mesh = &object->ID3DXMesh_iface;
2596 return D3D_OK;
2599 /*************************************************************************
2600 * D3DXCreateMeshFVF
2602 HRESULT WINAPI D3DXCreateMeshFVF(DWORD numfaces, DWORD numvertices, DWORD options,
2603 DWORD fvf, struct IDirect3DDevice9 *device, struct ID3DXMesh **mesh)
2605 HRESULT hr;
2606 D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE];
2608 TRACE("(%u, %u, %u, %u, %p, %p)\n", numfaces, numvertices, options, fvf, device, mesh);
2610 hr = D3DXDeclaratorFromFVF(fvf, declaration);
2611 if (FAILED(hr)) return hr;
2613 return D3DXCreateMesh(numfaces, numvertices, options, declaration, device, mesh);
2617 struct mesh_data {
2618 DWORD num_vertices;
2619 DWORD num_poly_faces;
2620 DWORD num_tri_faces;
2621 D3DXVECTOR3 *vertices;
2622 DWORD *num_tri_per_face;
2623 DWORD *indices;
2625 DWORD fvf;
2627 /* optional mesh data */
2629 DWORD num_normals;
2630 D3DXVECTOR3 *normals;
2631 DWORD *normal_indices;
2633 D3DXVECTOR2 *tex_coords;
2635 DWORD *vertex_colors;
2637 DWORD num_materials;
2638 D3DXMATERIAL *materials;
2639 DWORD *material_indices;
2641 struct ID3DXSkinInfo *skin_info;
2642 DWORD nb_bones;
2645 static HRESULT parse_texture_filename(ID3DXFileData *filedata, char **filename_out)
2647 HRESULT hr;
2648 SIZE_T data_size;
2649 BYTE *data;
2650 char *filename_in;
2651 char *filename = NULL;
2653 /* template TextureFilename {
2654 * STRING filename;
2658 HeapFree(GetProcessHeap(), 0, *filename_out);
2659 *filename_out = NULL;
2661 hr = filedata->lpVtbl->Lock(filedata, &data_size, (const void**)&data);
2662 if (FAILED(hr)) return hr;
2664 /* FIXME: String must be retrieved directly instead of through a pointer once ID3DXFILE is fixed */
2665 if (data_size < sizeof(filename_in))
2667 WARN("truncated data (%lu bytes)\n", data_size);
2668 filedata->lpVtbl->Unlock(filedata);
2669 return E_FAIL;
2671 filename_in = *(char **)data;
2673 filename = HeapAlloc(GetProcessHeap(), 0, strlen(filename_in) + 1);
2674 if (!filename) {
2675 filedata->lpVtbl->Unlock(filedata);
2676 return E_OUTOFMEMORY;
2679 strcpy(filename, filename_in);
2680 *filename_out = filename;
2682 filedata->lpVtbl->Unlock(filedata);
2684 return D3D_OK;
2687 static HRESULT parse_material(ID3DXFileData *filedata, D3DXMATERIAL *material)
2689 HRESULT hr;
2690 SIZE_T data_size;
2691 const BYTE *data;
2692 GUID type;
2693 ID3DXFileData *child;
2694 SIZE_T i, nb_children;
2696 material->pTextureFilename = NULL;
2698 hr = filedata->lpVtbl->Lock(filedata, &data_size, (const void**)&data);
2699 if (FAILED(hr)) return hr;
2702 * template ColorRGBA {
2703 * FLOAT red;
2704 * FLOAT green;
2705 * FLOAT blue;
2706 * FLOAT alpha;
2708 * template ColorRGB {
2709 * FLOAT red;
2710 * FLOAT green;
2711 * FLOAT blue;
2713 * template Material {
2714 * ColorRGBA faceColor;
2715 * FLOAT power;
2716 * ColorRGB specularColor;
2717 * ColorRGB emissiveColor;
2718 * [ ... ]
2721 if (data_size != sizeof(FLOAT) * 11) {
2722 WARN("incorrect data size (%ld bytes)\n", data_size);
2723 filedata->lpVtbl->Unlock(filedata);
2724 return E_FAIL;
2727 memcpy(&material->MatD3D.Diffuse, data, sizeof(D3DCOLORVALUE));
2728 data += sizeof(D3DCOLORVALUE);
2729 material->MatD3D.Power = *(FLOAT*)data;
2730 data += sizeof(FLOAT);
2731 memcpy(&material->MatD3D.Specular, data, sizeof(FLOAT) * 3);
2732 material->MatD3D.Specular.a = 1.0f;
2733 data += 3 * sizeof(FLOAT);
2734 memcpy(&material->MatD3D.Emissive, data, sizeof(FLOAT) * 3);
2735 material->MatD3D.Emissive.a = 1.0f;
2736 material->MatD3D.Ambient.r = 0.0f;
2737 material->MatD3D.Ambient.g = 0.0f;
2738 material->MatD3D.Ambient.b = 0.0f;
2739 material->MatD3D.Ambient.a = 1.0f;
2741 filedata->lpVtbl->Unlock(filedata);
2743 hr = filedata->lpVtbl->GetChildren(filedata, &nb_children);
2744 if (FAILED(hr))
2745 return hr;
2747 for (i = 0; i < nb_children; i++)
2749 hr = filedata->lpVtbl->GetChild(filedata, i, &child);
2750 if (FAILED(hr))
2751 return hr;
2752 hr = child->lpVtbl->GetType(child, &type);
2753 if (FAILED(hr))
2754 goto err;
2756 if (IsEqualGUID(&type, &TID_D3DRMTextureFilename)) {
2757 hr = parse_texture_filename(child, &material->pTextureFilename);
2758 if (FAILED(hr))
2759 goto err;
2761 IUnknown_Release(child);
2763 return D3D_OK;
2765 err:
2766 IUnknown_Release(child);
2767 return hr;
2770 static void destroy_materials(struct mesh_data *mesh)
2772 DWORD i;
2773 for (i = 0; i < mesh->num_materials; i++)
2774 HeapFree(GetProcessHeap(), 0, mesh->materials[i].pTextureFilename);
2775 HeapFree(GetProcessHeap(), 0, mesh->materials);
2776 HeapFree(GetProcessHeap(), 0, mesh->material_indices);
2777 mesh->num_materials = 0;
2778 mesh->materials = NULL;
2779 mesh->material_indices = NULL;
2782 static HRESULT parse_material_list(ID3DXFileData *filedata, struct mesh_data *mesh)
2784 HRESULT hr;
2785 SIZE_T data_size;
2786 const DWORD *data, *in_ptr;
2787 GUID type;
2788 ID3DXFileData *child = NULL;
2789 DWORD num_materials;
2790 DWORD i;
2791 SIZE_T nb_children;
2793 destroy_materials(mesh);
2795 hr = filedata->lpVtbl->Lock(filedata, &data_size, (const void**)&data);
2796 if (FAILED(hr)) return hr;
2798 /* template MeshMaterialList {
2799 * DWORD nMaterials;
2800 * DWORD nFaceIndexes;
2801 * array DWORD faceIndexes[nFaceIndexes];
2802 * [ Material ]
2806 in_ptr = data;
2807 hr = E_FAIL;
2809 if (data_size < sizeof(DWORD)) {
2810 WARN("truncated data (%ld bytes)\n", data_size);
2811 goto end;
2813 num_materials = *in_ptr++;
2814 if (!num_materials) {
2815 hr = D3D_OK;
2816 goto end;
2819 if (data_size < 2 * sizeof(DWORD)) {
2820 WARN("truncated data (%ld bytes)\n", data_size);
2821 goto end;
2823 if (*in_ptr++ != mesh->num_poly_faces) {
2824 WARN("number of material face indices (%u) doesn't match number of faces (%u)\n",
2825 *(in_ptr - 1), mesh->num_poly_faces);
2826 goto end;
2828 if (data_size < 2 * sizeof(DWORD) + mesh->num_poly_faces * sizeof(DWORD)) {
2829 WARN("truncated data (%ld bytes)\n", data_size);
2830 goto end;
2832 for (i = 0; i < mesh->num_poly_faces; i++) {
2833 if (*in_ptr++ >= num_materials) {
2834 WARN("face %u: reference to undefined material %u (only %u materials)\n",
2835 i, *(in_ptr - 1), num_materials);
2836 goto end;
2840 mesh->materials = HeapAlloc(GetProcessHeap(), 0, num_materials * sizeof(*mesh->materials));
2841 mesh->material_indices = HeapAlloc(GetProcessHeap(), 0, mesh->num_poly_faces * sizeof(*mesh->material_indices));
2842 if (!mesh->materials || !mesh->material_indices) {
2843 hr = E_OUTOFMEMORY;
2844 goto end;
2846 memcpy(mesh->material_indices, data + 2, mesh->num_poly_faces * sizeof(DWORD));
2848 hr = filedata->lpVtbl->GetChildren(filedata, &nb_children);
2849 if (FAILED(hr))
2850 goto end;
2852 for (i = 0; i < nb_children; i++)
2854 hr = filedata->lpVtbl->GetChild(filedata, i, &child);
2855 if (FAILED(hr))
2856 goto end;
2857 hr = child->lpVtbl->GetType(child, &type);
2858 if (FAILED(hr))
2859 goto end;
2861 if (IsEqualGUID(&type, &TID_D3DRMMaterial)) {
2862 if (mesh->num_materials >= num_materials) {
2863 WARN("more materials defined than declared\n");
2864 hr = E_FAIL;
2865 goto end;
2867 hr = parse_material(child, &mesh->materials[mesh->num_materials++]);
2868 if (FAILED(hr))
2869 goto end;
2872 IUnknown_Release(child);
2873 child = NULL;
2875 if (num_materials != mesh->num_materials) {
2876 WARN("only %u of %u materials defined\n", num_materials, mesh->num_materials);
2877 hr = E_FAIL;
2880 end:
2881 if (child)
2882 IUnknown_Release(child);
2883 filedata->lpVtbl->Unlock(filedata);
2884 return hr;
2887 static HRESULT parse_texture_coords(ID3DXFileData *filedata, struct mesh_data *mesh)
2889 HRESULT hr;
2890 SIZE_T data_size;
2891 const BYTE *data;
2893 HeapFree(GetProcessHeap(), 0, mesh->tex_coords);
2894 mesh->tex_coords = NULL;
2896 hr = filedata->lpVtbl->Lock(filedata, &data_size, (const void**)&data);
2897 if (FAILED(hr)) return hr;
2899 /* template Coords2d {
2900 * FLOAT u;
2901 * FLOAT v;
2903 * template MeshTextureCoords {
2904 * DWORD nTextureCoords;
2905 * array Coords2d textureCoords[nTextureCoords];
2909 hr = E_FAIL;
2911 if (data_size < sizeof(DWORD)) {
2912 WARN("truncated data (%ld bytes)\n", data_size);
2913 goto end;
2915 if (*(DWORD*)data != mesh->num_vertices) {
2916 WARN("number of texture coordinates (%u) doesn't match number of vertices (%u)\n",
2917 *(DWORD*)data, mesh->num_vertices);
2918 goto end;
2920 data += sizeof(DWORD);
2921 if (data_size < sizeof(DWORD) + mesh->num_vertices * sizeof(*mesh->tex_coords)) {
2922 WARN("truncated data (%ld bytes)\n", data_size);
2923 goto end;
2926 mesh->tex_coords = HeapAlloc(GetProcessHeap(), 0, mesh->num_vertices * sizeof(*mesh->tex_coords));
2927 if (!mesh->tex_coords) {
2928 hr = E_OUTOFMEMORY;
2929 goto end;
2931 memcpy(mesh->tex_coords, data, mesh->num_vertices * sizeof(*mesh->tex_coords));
2933 mesh->fvf |= D3DFVF_TEX1;
2935 hr = D3D_OK;
2937 end:
2938 filedata->lpVtbl->Unlock(filedata);
2939 return hr;
2942 static HRESULT parse_vertex_colors(ID3DXFileData *filedata, struct mesh_data *mesh)
2944 HRESULT hr;
2945 SIZE_T data_size;
2946 const BYTE *data;
2947 DWORD num_colors;
2948 DWORD i;
2950 HeapFree(GetProcessHeap(), 0, mesh->vertex_colors);
2951 mesh->vertex_colors = NULL;
2953 hr = filedata->lpVtbl->Lock(filedata, &data_size, (const void**)&data);
2954 if (FAILED(hr)) return hr;
2956 /* template IndexedColor {
2957 * DWORD index;
2958 * ColorRGBA indexColor;
2960 * template MeshVertexColors {
2961 * DWORD nVertexColors;
2962 * array IndexedColor vertexColors[nVertexColors];
2966 hr = E_FAIL;
2968 if (data_size < sizeof(DWORD)) {
2969 WARN("truncated data (%ld bytes)\n", data_size);
2970 goto end;
2972 num_colors = *(DWORD*)data;
2973 data += sizeof(DWORD);
2974 if (data_size < sizeof(DWORD) + num_colors * (sizeof(DWORD) + sizeof(D3DCOLORVALUE))) {
2975 WARN("truncated data (%ld bytes)\n", data_size);
2976 goto end;
2979 mesh->vertex_colors = HeapAlloc(GetProcessHeap(), 0, mesh->num_vertices * sizeof(DWORD));
2980 if (!mesh->vertex_colors) {
2981 hr = E_OUTOFMEMORY;
2982 goto end;
2985 for (i = 0; i < mesh->num_vertices; i++)
2986 mesh->vertex_colors[i] = D3DCOLOR_ARGB(0, 0xff, 0xff, 0xff);
2987 for (i = 0; i < num_colors; i++)
2989 D3DCOLORVALUE color;
2990 DWORD index = *(DWORD*)data;
2991 data += sizeof(DWORD);
2992 if (index >= mesh->num_vertices) {
2993 WARN("vertex color %u references undefined vertex %u (only %u vertices)\n",
2994 i, index, mesh->num_vertices);
2995 goto end;
2997 memcpy(&color, data, sizeof(color));
2998 data += sizeof(color);
2999 color.r = min(1.0f, max(0.0f, color.r));
3000 color.g = min(1.0f, max(0.0f, color.g));
3001 color.b = min(1.0f, max(0.0f, color.b));
3002 color.a = min(1.0f, max(0.0f, color.a));
3003 mesh->vertex_colors[index] = D3DCOLOR_ARGB((BYTE)(color.a * 255.0f + 0.5f),
3004 (BYTE)(color.r * 255.0f + 0.5f),
3005 (BYTE)(color.g * 255.0f + 0.5f),
3006 (BYTE)(color.b * 255.0f + 0.5f));
3009 mesh->fvf |= D3DFVF_DIFFUSE;
3011 hr = D3D_OK;
3013 end:
3014 filedata->lpVtbl->Unlock(filedata);
3015 return hr;
3018 static HRESULT parse_normals(ID3DXFileData *filedata, struct mesh_data *mesh)
3020 HRESULT hr;
3021 SIZE_T data_size;
3022 const BYTE *data;
3023 DWORD *index_out_ptr;
3024 DWORD i;
3025 DWORD num_face_indices = mesh->num_poly_faces * 2 + mesh->num_tri_faces;
3027 HeapFree(GetProcessHeap(), 0, mesh->normals);
3028 mesh->num_normals = 0;
3029 mesh->normals = NULL;
3030 mesh->normal_indices = NULL;
3031 mesh->fvf |= D3DFVF_NORMAL;
3033 hr = filedata->lpVtbl->Lock(filedata, &data_size, (const void**)&data);
3034 if (FAILED(hr)) return hr;
3036 /* template Vector {
3037 * FLOAT x;
3038 * FLOAT y;
3039 * FLOAT z;
3041 * template MeshFace {
3042 * DWORD nFaceVertexIndices;
3043 * array DWORD faceVertexIndices[nFaceVertexIndices];
3045 * template MeshNormals {
3046 * DWORD nNormals;
3047 * array Vector normals[nNormals];
3048 * DWORD nFaceNormals;
3049 * array MeshFace faceNormals[nFaceNormals];
3053 hr = E_FAIL;
3055 if (data_size < sizeof(DWORD) * 2) {
3056 WARN("truncated data (%ld bytes)\n", data_size);
3057 goto end;
3059 mesh->num_normals = *(DWORD*)data;
3060 data += sizeof(DWORD);
3061 if (data_size < sizeof(DWORD) * 2 + mesh->num_normals * sizeof(D3DXVECTOR3) +
3062 num_face_indices * sizeof(DWORD)) {
3063 WARN("truncated data (%ld bytes)\n", data_size);
3064 goto end;
3067 mesh->normals = HeapAlloc(GetProcessHeap(), 0, mesh->num_normals * sizeof(D3DXVECTOR3));
3068 mesh->normal_indices = HeapAlloc(GetProcessHeap(), 0, num_face_indices * sizeof(DWORD));
3069 if (!mesh->normals || !mesh->normal_indices) {
3070 hr = E_OUTOFMEMORY;
3071 goto end;
3074 memcpy(mesh->normals, data, mesh->num_normals * sizeof(D3DXVECTOR3));
3075 data += mesh->num_normals * sizeof(D3DXVECTOR3);
3076 for (i = 0; i < mesh->num_normals; i++)
3077 D3DXVec3Normalize(&mesh->normals[i], &mesh->normals[i]);
3079 if (*(DWORD*)data != mesh->num_poly_faces) {
3080 WARN("number of face normals (%u) doesn't match number of faces (%u)\n",
3081 *(DWORD*)data, mesh->num_poly_faces);
3082 goto end;
3084 data += sizeof(DWORD);
3085 index_out_ptr = mesh->normal_indices;
3086 for (i = 0; i < mesh->num_poly_faces; i++)
3088 DWORD j;
3089 DWORD count = *(DWORD*)data;
3090 if (count != mesh->num_tri_per_face[i] + 2) {
3091 WARN("face %u: number of normals (%u) doesn't match number of vertices (%u)\n",
3092 i, count, mesh->num_tri_per_face[i] + 2);
3093 goto end;
3095 data += sizeof(DWORD);
3097 for (j = 0; j < count; j++) {
3098 DWORD normal_index = *(DWORD*)data;
3099 if (normal_index >= mesh->num_normals) {
3100 WARN("face %u, normal index %u: reference to undefined normal %u (only %u normals)\n",
3101 i, j, normal_index, mesh->num_normals);
3102 goto end;
3104 *index_out_ptr++ = normal_index;
3105 data += sizeof(DWORD);
3109 hr = D3D_OK;
3111 end:
3112 filedata->lpVtbl->Unlock(filedata);
3113 return hr;
3116 static HRESULT parse_skin_mesh_info(ID3DXFileData *filedata, struct mesh_data *mesh_data, DWORD index)
3118 HRESULT hr;
3119 SIZE_T data_size;
3120 const BYTE *data;
3122 TRACE("(%p, %p, %u)\n", filedata, mesh_data, index);
3124 hr = filedata->lpVtbl->Lock(filedata, &data_size, (const void**)&data);
3125 if (FAILED(hr)) return hr;
3127 hr = E_FAIL;
3129 if (!mesh_data->skin_info) {
3130 if (data_size < sizeof(WORD) * 3) {
3131 WARN("truncated data (%ld bytes)\n", data_size);
3132 goto end;
3134 /* Skip nMaxSkinWeightsPerVertex and nMaxSkinWeightsPerFace */
3135 data += 2 * sizeof(WORD);
3136 mesh_data->nb_bones = *(WORD*)data;
3137 hr = D3DXCreateSkinInfoFVF(mesh_data->num_vertices, mesh_data->fvf, mesh_data->nb_bones, &mesh_data->skin_info);
3138 } else {
3139 const char *name;
3140 DWORD nb_influences;
3142 /* FIXME: String must be retrieved directly instead of through a pointer once ID3DXFILE is fixed */
3143 name = *(const char**)data;
3144 data += sizeof(char*);
3146 nb_influences = *(DWORD*)data;
3147 data += sizeof(DWORD);
3149 if (data_size < (sizeof(char*) + sizeof(DWORD) + nb_influences * (sizeof(DWORD) + sizeof(FLOAT)) + 16 * sizeof(FLOAT))) {
3150 WARN("truncated data (%ld bytes)\n", data_size);
3151 goto end;
3154 hr = mesh_data->skin_info->lpVtbl->SetBoneName(mesh_data->skin_info, index, name);
3155 if (SUCCEEDED(hr))
3156 hr = mesh_data->skin_info->lpVtbl->SetBoneInfluence(mesh_data->skin_info, index, nb_influences,
3157 (const DWORD*)data, (const FLOAT*)(data + nb_influences * sizeof(DWORD)));
3158 if (SUCCEEDED(hr))
3159 hr = mesh_data->skin_info->lpVtbl->SetBoneOffsetMatrix(mesh_data->skin_info, index,
3160 (const D3DMATRIX*)(data + nb_influences * (sizeof(DWORD) + sizeof(FLOAT))));
3163 end:
3164 filedata->lpVtbl->Unlock(filedata);
3165 return hr;
3168 /* for provide_flags parameters */
3169 #define PROVIDE_MATERIALS 0x1
3170 #define PROVIDE_SKININFO 0x2
3171 #define PROVIDE_ADJACENCY 0x4
3173 static HRESULT parse_mesh(ID3DXFileData *filedata, struct mesh_data *mesh_data, DWORD provide_flags)
3175 HRESULT hr;
3176 SIZE_T data_size;
3177 const BYTE *data, *in_ptr;
3178 DWORD *index_out_ptr;
3179 GUID type;
3180 ID3DXFileData *child = NULL;
3181 DWORD i;
3182 SIZE_T nb_children;
3183 DWORD nb_skin_weights_info = 0;
3186 * template Mesh {
3187 * DWORD nVertices;
3188 * array Vector vertices[nVertices];
3189 * DWORD nFaces;
3190 * array MeshFace faces[nFaces];
3191 * [ ... ]
3195 hr = filedata->lpVtbl->Lock(filedata, &data_size, (const void**)&data);
3196 if (FAILED(hr)) return hr;
3198 in_ptr = data;
3199 hr = E_FAIL;
3201 if (data_size < sizeof(DWORD) * 2) {
3202 WARN("truncated data (%ld bytes)\n", data_size);
3203 goto end;
3205 mesh_data->num_vertices = *(DWORD*)in_ptr;
3206 if (data_size < sizeof(DWORD) * 2 + mesh_data->num_vertices * sizeof(D3DXVECTOR3)) {
3207 WARN("truncated data (%ld bytes)\n", data_size);
3208 goto end;
3210 in_ptr += sizeof(DWORD) + mesh_data->num_vertices * sizeof(D3DXVECTOR3);
3212 mesh_data->num_poly_faces = *(DWORD*)in_ptr;
3213 in_ptr += sizeof(DWORD);
3215 mesh_data->num_tri_faces = 0;
3216 for (i = 0; i < mesh_data->num_poly_faces; i++)
3218 DWORD num_poly_vertices;
3219 DWORD j;
3221 if (data_size - (in_ptr - data) < sizeof(DWORD)) {
3222 WARN("truncated data (%ld bytes)\n", data_size);
3223 goto end;
3225 num_poly_vertices = *(DWORD*)in_ptr;
3226 in_ptr += sizeof(DWORD);
3227 if (data_size - (in_ptr - data) < num_poly_vertices * sizeof(DWORD)) {
3228 WARN("truncated data (%ld bytes)\n", data_size);
3229 goto end;
3231 if (num_poly_vertices < 3) {
3232 WARN("face %u has only %u vertices\n", i, num_poly_vertices);
3233 goto end;
3235 for (j = 0; j < num_poly_vertices; j++) {
3236 if (*(DWORD*)in_ptr >= mesh_data->num_vertices) {
3237 WARN("face %u, index %u: undefined vertex %u (only %u vertices)\n",
3238 i, j, *(DWORD*)in_ptr, mesh_data->num_vertices);
3239 goto end;
3241 in_ptr += sizeof(DWORD);
3243 mesh_data->num_tri_faces += num_poly_vertices - 2;
3246 mesh_data->fvf = D3DFVF_XYZ;
3248 mesh_data->vertices = HeapAlloc(GetProcessHeap(), 0,
3249 mesh_data->num_vertices * sizeof(*mesh_data->vertices));
3250 mesh_data->num_tri_per_face = HeapAlloc(GetProcessHeap(), 0,
3251 mesh_data->num_poly_faces * sizeof(*mesh_data->num_tri_per_face));
3252 mesh_data->indices = HeapAlloc(GetProcessHeap(), 0,
3253 (mesh_data->num_tri_faces + mesh_data->num_poly_faces * 2) * sizeof(*mesh_data->indices));
3254 if (!mesh_data->vertices || !mesh_data->num_tri_per_face || !mesh_data->indices) {
3255 hr = E_OUTOFMEMORY;
3256 goto end;
3259 in_ptr = data + sizeof(DWORD);
3260 memcpy(mesh_data->vertices, in_ptr, mesh_data->num_vertices * sizeof(D3DXVECTOR3));
3261 in_ptr += mesh_data->num_vertices * sizeof(D3DXVECTOR3) + sizeof(DWORD);
3263 index_out_ptr = mesh_data->indices;
3264 for (i = 0; i < mesh_data->num_poly_faces; i++)
3266 DWORD count;
3268 count = *(DWORD*)in_ptr;
3269 in_ptr += sizeof(DWORD);
3270 mesh_data->num_tri_per_face[i] = count - 2;
3272 while (count--) {
3273 *index_out_ptr++ = *(DWORD*)in_ptr;
3274 in_ptr += sizeof(DWORD);
3278 hr = filedata->lpVtbl->GetChildren(filedata, &nb_children);
3279 if (FAILED(hr))
3280 goto end;
3282 for (i = 0; i < nb_children; i++)
3284 hr = filedata->lpVtbl->GetChild(filedata, i, &child);
3285 if (FAILED(hr))
3286 goto end;
3287 hr = child->lpVtbl->GetType(child, &type);
3288 if (FAILED(hr))
3289 goto end;
3291 if (IsEqualGUID(&type, &TID_D3DRMMeshNormals)) {
3292 hr = parse_normals(child, mesh_data);
3293 } else if (IsEqualGUID(&type, &TID_D3DRMMeshVertexColors)) {
3294 hr = parse_vertex_colors(child, mesh_data);
3295 } else if (IsEqualGUID(&type, &TID_D3DRMMeshTextureCoords)) {
3296 hr = parse_texture_coords(child, mesh_data);
3297 } else if (IsEqualGUID(&type, &TID_D3DRMMeshMaterialList) &&
3298 (provide_flags & PROVIDE_MATERIALS))
3300 hr = parse_material_list(child, mesh_data);
3301 } else if (provide_flags & PROVIDE_SKININFO) {
3302 if (IsEqualGUID(&type, &DXFILEOBJ_XSkinMeshHeader)) {
3303 if (mesh_data->skin_info) {
3304 WARN("Skin mesh header already encountered\n");
3305 hr = E_FAIL;
3306 goto end;
3308 hr = parse_skin_mesh_info(child, mesh_data, 0);
3309 if (FAILED(hr))
3310 goto end;
3311 } else if (IsEqualGUID(&type, &DXFILEOBJ_SkinWeights)) {
3312 if (!mesh_data->skin_info) {
3313 WARN("Skin weights found but skin mesh header not encountered yet\n");
3314 hr = E_FAIL;
3315 goto end;
3317 hr = parse_skin_mesh_info(child, mesh_data, nb_skin_weights_info);
3318 if (FAILED(hr))
3319 goto end;
3320 nb_skin_weights_info++;
3323 if (FAILED(hr))
3324 goto end;
3326 IUnknown_Release(child);
3327 child = NULL;
3330 if (mesh_data->skin_info && (nb_skin_weights_info != mesh_data->nb_bones)) {
3331 WARN("Mismatch between nb skin weights info %u encountered and nb bones %u from skin mesh header\n",
3332 nb_skin_weights_info, mesh_data->nb_bones);
3333 hr = E_FAIL;
3334 goto end;
3337 hr = D3D_OK;
3339 end:
3340 if (child)
3341 IUnknown_Release(child);
3342 filedata->lpVtbl->Unlock(filedata);
3343 return hr;
3346 static HRESULT generate_effects(ID3DXBuffer *materials, DWORD num_materials,
3347 ID3DXBuffer **effects)
3349 HRESULT hr;
3350 D3DXEFFECTINSTANCE *effect_ptr;
3351 BYTE *out_ptr;
3352 const D3DXMATERIAL *material_ptr = ID3DXBuffer_GetBufferPointer(materials);
3353 static const struct {
3354 const char *param_name;
3355 DWORD name_size;
3356 DWORD num_bytes;
3357 DWORD value_offset;
3358 } material_effects[] = {
3359 #define EFFECT_TABLE_ENTRY(str, field) \
3360 {str, sizeof(str), sizeof(material_ptr->MatD3D.field), offsetof(D3DXMATERIAL, MatD3D.field)}
3361 EFFECT_TABLE_ENTRY("Diffuse", Diffuse),
3362 EFFECT_TABLE_ENTRY("Power", Power),
3363 EFFECT_TABLE_ENTRY("Specular", Specular),
3364 EFFECT_TABLE_ENTRY("Emissive", Emissive),
3365 EFFECT_TABLE_ENTRY("Ambient", Ambient),
3366 #undef EFFECT_TABLE_ENTRY
3368 static const char texture_paramname[] = "Texture0@Name";
3369 DWORD buffer_size;
3370 DWORD i;
3372 /* effects buffer layout:
3374 * D3DXEFFECTINSTANCE effects[num_materials];
3375 * for (effect in effects)
3377 * D3DXEFFECTDEFAULT defaults[effect.NumDefaults];
3378 * for (default in defaults)
3380 * *default.pParamName;
3381 * *default.pValue;
3385 buffer_size = sizeof(D3DXEFFECTINSTANCE);
3386 buffer_size += sizeof(D3DXEFFECTDEFAULT) * ARRAY_SIZE(material_effects);
3387 for (i = 0; i < ARRAY_SIZE(material_effects); i++) {
3388 buffer_size += material_effects[i].name_size;
3389 buffer_size += material_effects[i].num_bytes;
3391 buffer_size *= num_materials;
3392 for (i = 0; i < num_materials; i++) {
3393 if (material_ptr[i].pTextureFilename) {
3394 buffer_size += sizeof(D3DXEFFECTDEFAULT);
3395 buffer_size += sizeof(texture_paramname);
3396 buffer_size += strlen(material_ptr[i].pTextureFilename) + 1;
3400 hr = D3DXCreateBuffer(buffer_size, effects);
3401 if (FAILED(hr)) return hr;
3402 effect_ptr = ID3DXBuffer_GetBufferPointer(*effects);
3403 out_ptr = (BYTE*)(effect_ptr + num_materials);
3405 for (i = 0; i < num_materials; i++)
3407 DWORD j;
3408 D3DXEFFECTDEFAULT *defaults = (D3DXEFFECTDEFAULT*)out_ptr;
3410 effect_ptr->pDefaults = defaults;
3411 effect_ptr->NumDefaults = material_ptr->pTextureFilename ? 6 : 5;
3412 out_ptr = (BYTE*)(effect_ptr->pDefaults + effect_ptr->NumDefaults);
3414 for (j = 0; j < ARRAY_SIZE(material_effects); j++)
3416 defaults->pParamName = (char *)out_ptr;
3417 strcpy(defaults->pParamName, material_effects[j].param_name);
3418 defaults->pValue = defaults->pParamName + material_effects[j].name_size;
3419 defaults->Type = D3DXEDT_FLOATS;
3420 defaults->NumBytes = material_effects[j].num_bytes;
3421 memcpy(defaults->pValue, (BYTE*)material_ptr + material_effects[j].value_offset, defaults->NumBytes);
3422 out_ptr = (BYTE*)defaults->pValue + defaults->NumBytes;
3423 defaults++;
3426 if (material_ptr->pTextureFilename)
3428 defaults->pParamName = (char *)out_ptr;
3429 strcpy(defaults->pParamName, texture_paramname);
3430 defaults->pValue = defaults->pParamName + sizeof(texture_paramname);
3431 defaults->Type = D3DXEDT_STRING;
3432 defaults->NumBytes = strlen(material_ptr->pTextureFilename) + 1;
3433 strcpy(defaults->pValue, material_ptr->pTextureFilename);
3434 out_ptr = (BYTE*)defaults->pValue + defaults->NumBytes;
3436 material_ptr++;
3437 effect_ptr++;
3439 assert(out_ptr - (BYTE*)ID3DXBuffer_GetBufferPointer(*effects) == buffer_size);
3441 return D3D_OK;
3444 HRESULT WINAPI D3DXLoadSkinMeshFromXof(struct ID3DXFileData *filedata, DWORD options,
3445 struct IDirect3DDevice9 *device, struct ID3DXBuffer **adjacency_out, struct ID3DXBuffer **materials_out,
3446 struct ID3DXBuffer **effects_out, DWORD *num_materials_out, struct ID3DXSkinInfo **skin_info_out,
3447 struct ID3DXMesh **mesh_out)
3449 HRESULT hr;
3450 DWORD *index_in_ptr;
3451 struct mesh_data mesh_data;
3452 DWORD total_vertices;
3453 ID3DXMesh *d3dxmesh = NULL;
3454 ID3DXBuffer *adjacency = NULL;
3455 ID3DXBuffer *materials = NULL;
3456 ID3DXBuffer *effects = NULL;
3457 struct vertex_duplication {
3458 DWORD normal_index;
3459 struct list entry;
3460 } *duplications = NULL;
3461 DWORD i;
3462 void *vertices = NULL;
3463 void *indices = NULL;
3464 BYTE *out_ptr;
3465 DWORD provide_flags = 0;
3467 TRACE("(%p, %x, %p, %p, %p, %p, %p, %p, %p)\n", filedata, options, device, adjacency_out, materials_out,
3468 effects_out, num_materials_out, skin_info_out, mesh_out);
3470 ZeroMemory(&mesh_data, sizeof(mesh_data));
3472 if (num_materials_out || materials_out || effects_out)
3473 provide_flags |= PROVIDE_MATERIALS;
3474 if (skin_info_out)
3475 provide_flags |= PROVIDE_SKININFO;
3477 hr = parse_mesh(filedata, &mesh_data, provide_flags);
3478 if (FAILED(hr)) goto cleanup;
3480 total_vertices = mesh_data.num_vertices;
3481 if (mesh_data.fvf & D3DFVF_NORMAL) {
3482 /* duplicate vertices with multiple normals */
3483 DWORD num_face_indices = mesh_data.num_poly_faces * 2 + mesh_data.num_tri_faces;
3484 duplications = HeapAlloc(GetProcessHeap(), 0, (mesh_data.num_vertices + num_face_indices) * sizeof(*duplications));
3485 if (!duplications) {
3486 hr = E_OUTOFMEMORY;
3487 goto cleanup;
3489 for (i = 0; i < total_vertices; i++)
3491 duplications[i].normal_index = -1;
3492 list_init(&duplications[i].entry);
3494 for (i = 0; i < num_face_indices; i++) {
3495 DWORD vertex_index = mesh_data.indices[i];
3496 DWORD normal_index = mesh_data.normal_indices[i];
3497 struct vertex_duplication *dup_ptr = &duplications[vertex_index];
3499 if (dup_ptr->normal_index == -1) {
3500 dup_ptr->normal_index = normal_index;
3501 } else {
3502 D3DXVECTOR3 *new_normal = &mesh_data.normals[normal_index];
3503 struct list *dup_list = &dup_ptr->entry;
3504 while (TRUE) {
3505 D3DXVECTOR3 *cur_normal = &mesh_data.normals[dup_ptr->normal_index];
3506 if (new_normal->x == cur_normal->x &&
3507 new_normal->y == cur_normal->y &&
3508 new_normal->z == cur_normal->z)
3510 mesh_data.indices[i] = dup_ptr - duplications;
3511 break;
3512 } else if (!list_next(dup_list, &dup_ptr->entry)) {
3513 dup_ptr = &duplications[total_vertices++];
3514 dup_ptr->normal_index = normal_index;
3515 list_add_tail(dup_list, &dup_ptr->entry);
3516 mesh_data.indices[i] = dup_ptr - duplications;
3517 break;
3518 } else {
3519 dup_ptr = LIST_ENTRY(list_next(dup_list, &dup_ptr->entry),
3520 struct vertex_duplication, entry);
3527 hr = D3DXCreateMeshFVF(mesh_data.num_tri_faces, total_vertices, options, mesh_data.fvf, device, &d3dxmesh);
3528 if (FAILED(hr)) goto cleanup;
3530 hr = d3dxmesh->lpVtbl->LockVertexBuffer(d3dxmesh, 0, &vertices);
3531 if (FAILED(hr)) goto cleanup;
3533 out_ptr = vertices;
3534 for (i = 0; i < mesh_data.num_vertices; i++) {
3535 *(D3DXVECTOR3*)out_ptr = mesh_data.vertices[i];
3536 out_ptr += sizeof(D3DXVECTOR3);
3537 if (mesh_data.fvf & D3DFVF_NORMAL) {
3538 if (duplications[i].normal_index == -1)
3539 ZeroMemory(out_ptr, sizeof(D3DXVECTOR3));
3540 else
3541 *(D3DXVECTOR3*)out_ptr = mesh_data.normals[duplications[i].normal_index];
3542 out_ptr += sizeof(D3DXVECTOR3);
3544 if (mesh_data.fvf & D3DFVF_DIFFUSE) {
3545 *(DWORD*)out_ptr = mesh_data.vertex_colors[i];
3546 out_ptr += sizeof(DWORD);
3548 if (mesh_data.fvf & D3DFVF_TEX1) {
3549 *(D3DXVECTOR2*)out_ptr = mesh_data.tex_coords[i];
3550 out_ptr += sizeof(D3DXVECTOR2);
3553 if (mesh_data.fvf & D3DFVF_NORMAL) {
3554 DWORD vertex_size = D3DXGetFVFVertexSize(mesh_data.fvf);
3555 out_ptr = vertices;
3556 for (i = 0; i < mesh_data.num_vertices; i++) {
3557 struct vertex_duplication *dup_ptr;
3558 LIST_FOR_EACH_ENTRY(dup_ptr, &duplications[i].entry, struct vertex_duplication, entry)
3560 int j = dup_ptr - duplications;
3561 BYTE *dest_vertex = (BYTE*)vertices + j * vertex_size;
3563 memcpy(dest_vertex, out_ptr, vertex_size);
3564 dest_vertex += sizeof(D3DXVECTOR3);
3565 *(D3DXVECTOR3*)dest_vertex = mesh_data.normals[dup_ptr->normal_index];
3567 out_ptr += vertex_size;
3570 d3dxmesh->lpVtbl->UnlockVertexBuffer(d3dxmesh);
3572 hr = d3dxmesh->lpVtbl->LockIndexBuffer(d3dxmesh, 0, &indices);
3573 if (FAILED(hr)) goto cleanup;
3575 index_in_ptr = mesh_data.indices;
3576 #define FILL_INDEX_BUFFER(indices_var) \
3577 for (i = 0; i < mesh_data.num_poly_faces; i++) \
3579 DWORD count = mesh_data.num_tri_per_face[i]; \
3580 WORD first_index = *index_in_ptr++; \
3581 while (count--) { \
3582 *indices_var++ = first_index; \
3583 *indices_var++ = *index_in_ptr; \
3584 index_in_ptr++; \
3585 *indices_var++ = *index_in_ptr; \
3587 index_in_ptr++; \
3589 if (options & D3DXMESH_32BIT) {
3590 DWORD *dword_indices = indices;
3591 FILL_INDEX_BUFFER(dword_indices)
3592 } else {
3593 WORD *word_indices = indices;
3594 FILL_INDEX_BUFFER(word_indices)
3596 #undef FILL_INDEX_BUFFER
3597 d3dxmesh->lpVtbl->UnlockIndexBuffer(d3dxmesh);
3599 if (mesh_data.material_indices) {
3600 DWORD *attrib_buffer = NULL;
3601 hr = d3dxmesh->lpVtbl->LockAttributeBuffer(d3dxmesh, 0, &attrib_buffer);
3602 if (FAILED(hr)) goto cleanup;
3603 for (i = 0; i < mesh_data.num_poly_faces; i++)
3605 DWORD count = mesh_data.num_tri_per_face[i];
3606 while (count--)
3607 *attrib_buffer++ = mesh_data.material_indices[i];
3609 d3dxmesh->lpVtbl->UnlockAttributeBuffer(d3dxmesh);
3611 hr = d3dxmesh->lpVtbl->OptimizeInplace(d3dxmesh,
3612 D3DXMESHOPT_ATTRSORT | D3DXMESHOPT_IGNOREVERTS | D3DXMESHOPT_DONOTSPLIT,
3613 NULL, NULL, NULL, NULL);
3614 if (FAILED(hr)) goto cleanup;
3617 if (mesh_data.num_materials && (materials_out || effects_out)) {
3618 DWORD buffer_size = mesh_data.num_materials * sizeof(D3DXMATERIAL);
3619 char *strings_out_ptr;
3620 D3DXMATERIAL *materials_ptr;
3622 for (i = 0; i < mesh_data.num_materials; i++) {
3623 if (mesh_data.materials[i].pTextureFilename)
3624 buffer_size += strlen(mesh_data.materials[i].pTextureFilename) + 1;
3627 hr = D3DXCreateBuffer(buffer_size, &materials);
3628 if (FAILED(hr)) goto cleanup;
3630 materials_ptr = ID3DXBuffer_GetBufferPointer(materials);
3631 memcpy(materials_ptr, mesh_data.materials, mesh_data.num_materials * sizeof(D3DXMATERIAL));
3632 strings_out_ptr = (char*)(materials_ptr + mesh_data.num_materials);
3633 for (i = 0; i < mesh_data.num_materials; i++) {
3634 if (materials_ptr[i].pTextureFilename) {
3635 strcpy(strings_out_ptr, mesh_data.materials[i].pTextureFilename);
3636 materials_ptr[i].pTextureFilename = strings_out_ptr;
3637 strings_out_ptr += strlen(mesh_data.materials[i].pTextureFilename) + 1;
3642 if (mesh_data.num_materials && effects_out) {
3643 hr = generate_effects(materials, mesh_data.num_materials, &effects);
3644 if (FAILED(hr)) goto cleanup;
3646 if (!materials_out) {
3647 ID3DXBuffer_Release(materials);
3648 materials = NULL;
3652 if (adjacency_out) {
3653 hr = D3DXCreateBuffer(mesh_data.num_tri_faces * 3 * sizeof(DWORD), &adjacency);
3654 if (FAILED(hr)) goto cleanup;
3655 hr = d3dxmesh->lpVtbl->GenerateAdjacency(d3dxmesh, 0.0f, ID3DXBuffer_GetBufferPointer(adjacency));
3656 if (FAILED(hr)) goto cleanup;
3659 *mesh_out = d3dxmesh;
3660 if (adjacency_out) *adjacency_out = adjacency;
3661 if (num_materials_out) *num_materials_out = mesh_data.num_materials;
3662 if (materials_out) *materials_out = materials;
3663 if (effects_out) *effects_out = effects;
3664 if (skin_info_out) *skin_info_out = mesh_data.skin_info;
3666 hr = D3D_OK;
3667 cleanup:
3668 if (FAILED(hr)) {
3669 if (d3dxmesh) IUnknown_Release(d3dxmesh);
3670 if (adjacency) ID3DXBuffer_Release(adjacency);
3671 if (materials) ID3DXBuffer_Release(materials);
3672 if (effects) ID3DXBuffer_Release(effects);
3673 if (mesh_data.skin_info) mesh_data.skin_info->lpVtbl->Release(mesh_data.skin_info);
3674 if (skin_info_out) *skin_info_out = NULL;
3676 HeapFree(GetProcessHeap(), 0, mesh_data.vertices);
3677 HeapFree(GetProcessHeap(), 0, mesh_data.num_tri_per_face);
3678 HeapFree(GetProcessHeap(), 0, mesh_data.indices);
3679 HeapFree(GetProcessHeap(), 0, mesh_data.normals);
3680 HeapFree(GetProcessHeap(), 0, mesh_data.normal_indices);
3681 destroy_materials(&mesh_data);
3682 HeapFree(GetProcessHeap(), 0, mesh_data.tex_coords);
3683 HeapFree(GetProcessHeap(), 0, mesh_data.vertex_colors);
3684 HeapFree(GetProcessHeap(), 0, duplications);
3685 return hr;
3688 HRESULT WINAPI D3DXLoadMeshHierarchyFromXA(const char *filename, DWORD options, struct IDirect3DDevice9 *device,
3689 struct ID3DXAllocateHierarchy *alloc_hier, struct ID3DXLoadUserData *load_user_data,
3690 D3DXFRAME **frame_hierarchy, struct ID3DXAnimationController **anim_controller)
3692 WCHAR *filenameW;
3693 HRESULT hr;
3694 int len;
3696 TRACE("filename %s, options %#x, device %p, alloc_hier %p, "
3697 "load_user_data %p, frame_hierarchy %p, anim_controller %p.\n",
3698 debugstr_a(filename), options, device, alloc_hier,
3699 load_user_data, frame_hierarchy, anim_controller);
3701 if (!filename)
3702 return D3DERR_INVALIDCALL;
3704 len = MultiByteToWideChar(CP_ACP, 0, filename, -1, NULL, 0);
3705 filenameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
3706 if (!filenameW) return E_OUTOFMEMORY;
3707 MultiByteToWideChar(CP_ACP, 0, filename, -1, filenameW, len);
3709 hr = D3DXLoadMeshHierarchyFromXW(filenameW, options, device,
3710 alloc_hier, load_user_data, frame_hierarchy, anim_controller);
3711 HeapFree(GetProcessHeap(), 0, filenameW);
3713 return hr;
3716 HRESULT WINAPI D3DXLoadMeshHierarchyFromXW(const WCHAR *filename, DWORD options, struct IDirect3DDevice9 *device,
3717 struct ID3DXAllocateHierarchy *alloc_hier, struct ID3DXLoadUserData *load_user_data,
3718 D3DXFRAME **frame_hierarchy, struct ID3DXAnimationController **anim_controller)
3720 void *buffer;
3721 HRESULT hr;
3722 DWORD size;
3724 TRACE("filename %s, options %#x, device %p, alloc_hier %p, "
3725 "load_user_data %p, frame_hierarchy %p, anim_controller %p.\n",
3726 debugstr_w(filename), options, device, alloc_hier,
3727 load_user_data, frame_hierarchy, anim_controller);
3729 if (!filename)
3730 return D3DERR_INVALIDCALL;
3732 hr = map_view_of_file(filename, &buffer, &size);
3733 if (FAILED(hr))
3734 return D3DXERR_INVALIDDATA;
3736 hr = D3DXLoadMeshHierarchyFromXInMemory(buffer, size, options, device,
3737 alloc_hier, load_user_data, frame_hierarchy, anim_controller);
3739 UnmapViewOfFile(buffer);
3741 return hr;
3744 static HRESULT filedata_get_name(ID3DXFileData *filedata, char **name)
3746 HRESULT hr;
3747 SIZE_T name_len;
3749 hr = filedata->lpVtbl->GetName(filedata, NULL, &name_len);
3750 if (FAILED(hr)) return hr;
3752 if (!name_len)
3753 name_len++;
3754 *name = HeapAlloc(GetProcessHeap(), 0, name_len);
3755 if (!*name) return E_OUTOFMEMORY;
3757 hr = filedata->lpVtbl->GetName(filedata, *name, &name_len);
3758 if (FAILED(hr))
3759 HeapFree(GetProcessHeap(), 0, *name);
3760 else if (!name_len)
3761 (*name)[0] = 0;
3763 return hr;
3766 static HRESULT load_mesh_container(struct ID3DXFileData *filedata, DWORD options, struct IDirect3DDevice9 *device,
3767 struct ID3DXAllocateHierarchy *alloc_hier, D3DXMESHCONTAINER **mesh_container)
3769 HRESULT hr;
3770 ID3DXBuffer *adjacency = NULL;
3771 ID3DXBuffer *materials = NULL;
3772 ID3DXBuffer *effects = NULL;
3773 ID3DXSkinInfo *skin_info = NULL;
3774 D3DXMESHDATA mesh_data;
3775 DWORD num_materials = 0;
3776 char *name = NULL;
3778 mesh_data.Type = D3DXMESHTYPE_MESH;
3779 mesh_data.u.pMesh = NULL;
3781 hr = D3DXLoadSkinMeshFromXof(filedata, options, device,
3782 &adjacency, &materials, &effects, &num_materials,
3783 &skin_info, &mesh_data.u.pMesh);
3784 if (FAILED(hr)) return hr;
3786 hr = filedata_get_name(filedata, &name);
3787 if (FAILED(hr)) goto cleanup;
3789 hr = alloc_hier->lpVtbl->CreateMeshContainer(alloc_hier, name, &mesh_data,
3790 materials ? ID3DXBuffer_GetBufferPointer(materials) : NULL,
3791 effects ? ID3DXBuffer_GetBufferPointer(effects) : NULL,
3792 num_materials,
3793 adjacency ? ID3DXBuffer_GetBufferPointer(adjacency) : NULL,
3794 skin_info, mesh_container);
3796 cleanup:
3797 if (materials) ID3DXBuffer_Release(materials);
3798 if (effects) ID3DXBuffer_Release(effects);
3799 if (adjacency) ID3DXBuffer_Release(adjacency);
3800 if (skin_info) IUnknown_Release(skin_info);
3801 if (mesh_data.u.pMesh) IUnknown_Release(mesh_data.u.pMesh);
3802 HeapFree(GetProcessHeap(), 0, name);
3803 return hr;
3806 static HRESULT parse_transform_matrix(ID3DXFileData *filedata, D3DXMATRIX *transform)
3808 HRESULT hr;
3809 SIZE_T data_size;
3810 const BYTE *data;
3812 /* template Matrix4x4 {
3813 * array FLOAT matrix[16];
3815 * template FrameTransformMatrix {
3816 * Matrix4x4 frameMatrix;
3820 hr = filedata->lpVtbl->Lock(filedata, &data_size, (const void**)&data);
3821 if (FAILED(hr)) return hr;
3823 if (data_size != sizeof(D3DXMATRIX)) {
3824 WARN("incorrect data size (%ld bytes)\n", data_size);
3825 filedata->lpVtbl->Unlock(filedata);
3826 return E_FAIL;
3829 memcpy(transform, data, sizeof(D3DXMATRIX));
3831 filedata->lpVtbl->Unlock(filedata);
3832 return D3D_OK;
3835 static HRESULT load_frame(struct ID3DXFileData *filedata, DWORD options, struct IDirect3DDevice9 *device,
3836 struct ID3DXAllocateHierarchy *alloc_hier, D3DXFRAME **frame_out)
3838 HRESULT hr;
3839 GUID type;
3840 ID3DXFileData *child;
3841 char *name = NULL;
3842 D3DXFRAME *frame = NULL;
3843 D3DXMESHCONTAINER **next_container;
3844 D3DXFRAME **next_child;
3845 SIZE_T i, nb_children;
3847 hr = filedata_get_name(filedata, &name);
3848 if (FAILED(hr)) return hr;
3850 hr = alloc_hier->lpVtbl->CreateFrame(alloc_hier, name, frame_out);
3851 HeapFree(GetProcessHeap(), 0, name);
3852 if (FAILED(hr)) return E_FAIL;
3854 frame = *frame_out;
3855 D3DXMatrixIdentity(&frame->TransformationMatrix);
3856 next_child = &frame->pFrameFirstChild;
3857 next_container = &frame->pMeshContainer;
3859 hr = filedata->lpVtbl->GetChildren(filedata, &nb_children);
3860 if (FAILED(hr))
3861 return hr;
3863 for (i = 0; i < nb_children; i++)
3865 hr = filedata->lpVtbl->GetChild(filedata, i, &child);
3866 if (FAILED(hr))
3867 return hr;
3868 hr = child->lpVtbl->GetType(child, &type);
3869 if (FAILED(hr))
3870 goto err;
3872 if (IsEqualGUID(&type, &TID_D3DRMMesh)) {
3873 hr = load_mesh_container(child, options, device, alloc_hier, next_container);
3874 if (SUCCEEDED(hr))
3875 next_container = &(*next_container)->pNextMeshContainer;
3876 } else if (IsEqualGUID(&type, &TID_D3DRMFrameTransformMatrix)) {
3877 hr = parse_transform_matrix(child, &frame->TransformationMatrix);
3878 } else if (IsEqualGUID(&type, &TID_D3DRMFrame)) {
3879 hr = load_frame(child, options, device, alloc_hier, next_child);
3880 if (SUCCEEDED(hr))
3881 next_child = &(*next_child)->pFrameSibling;
3883 if (FAILED(hr))
3884 goto err;
3886 IUnknown_Release(child);
3888 return D3D_OK;
3890 err:
3891 IUnknown_Release(child);
3892 return hr;
3895 HRESULT WINAPI D3DXLoadMeshHierarchyFromXInMemory(const void *memory, DWORD memory_size, DWORD options,
3896 struct IDirect3DDevice9 *device, struct ID3DXAllocateHierarchy *alloc_hier,
3897 struct ID3DXLoadUserData *load_user_data, D3DXFRAME **frame_hierarchy,
3898 struct ID3DXAnimationController **anim_controller)
3900 HRESULT hr;
3901 ID3DXFile *d3dxfile = NULL;
3902 ID3DXFileEnumObject *enumobj = NULL;
3903 ID3DXFileData *filedata = NULL;
3904 D3DXF_FILELOADMEMORY source;
3905 D3DXFRAME *first_frame = NULL;
3906 D3DXFRAME **next_frame = &first_frame;
3907 SIZE_T i, nb_children;
3908 GUID guid;
3910 TRACE("(%p, %u, %x, %p, %p, %p, %p, %p)\n", memory, memory_size, options,
3911 device, alloc_hier, load_user_data, frame_hierarchy, anim_controller);
3913 if (!memory || !memory_size || !device || !frame_hierarchy || !alloc_hier)
3914 return D3DERR_INVALIDCALL;
3915 if (load_user_data || anim_controller) {
3916 if (load_user_data)
3917 FIXME("Loading user data not implemented\n");
3918 if (anim_controller)
3919 FIXME("Animation controller creation not implemented\n");
3920 return E_NOTIMPL;
3923 hr = D3DXFileCreate(&d3dxfile);
3924 if (FAILED(hr)) goto cleanup;
3926 hr = d3dxfile->lpVtbl->RegisterTemplates(d3dxfile, D3DRM_XTEMPLATES, D3DRM_XTEMPLATE_BYTES);
3927 if (FAILED(hr)) goto cleanup;
3929 source.lpMemory = (void*)memory;
3930 source.dSize = memory_size;
3931 hr = d3dxfile->lpVtbl->CreateEnumObject(d3dxfile, &source, D3DXF_FILELOAD_FROMMEMORY, &enumobj);
3932 if (FAILED(hr)) goto cleanup;
3934 hr = enumobj->lpVtbl->GetChildren(enumobj, &nb_children);
3935 if (FAILED(hr))
3936 goto cleanup;
3938 for (i = 0; i < nb_children; i++)
3940 hr = enumobj->lpVtbl->GetChild(enumobj, i, &filedata);
3941 if (FAILED(hr))
3942 goto cleanup;
3944 hr = filedata->lpVtbl->GetType(filedata, &guid);
3945 if (SUCCEEDED(hr)) {
3946 if (IsEqualGUID(&guid, &TID_D3DRMMesh)) {
3947 hr = alloc_hier->lpVtbl->CreateFrame(alloc_hier, NULL, next_frame);
3948 if (FAILED(hr)) {
3949 hr = E_FAIL;
3950 goto cleanup;
3953 D3DXMatrixIdentity(&(*next_frame)->TransformationMatrix);
3955 hr = load_mesh_container(filedata, options, device, alloc_hier, &(*next_frame)->pMeshContainer);
3956 if (FAILED(hr)) goto cleanup;
3957 } else if (IsEqualGUID(&guid, &TID_D3DRMFrame)) {
3958 hr = load_frame(filedata, options, device, alloc_hier, next_frame);
3959 if (FAILED(hr)) goto cleanup;
3961 while (*next_frame)
3962 next_frame = &(*next_frame)->pFrameSibling;
3965 filedata->lpVtbl->Release(filedata);
3966 filedata = NULL;
3967 if (FAILED(hr))
3968 goto cleanup;
3971 if (!first_frame) {
3972 hr = E_FAIL;
3973 } else if (first_frame->pFrameSibling) {
3974 D3DXFRAME *root_frame = NULL;
3975 hr = alloc_hier->lpVtbl->CreateFrame(alloc_hier, NULL, &root_frame);
3976 if (FAILED(hr)) {
3977 hr = E_FAIL;
3978 goto cleanup;
3980 D3DXMatrixIdentity(&root_frame->TransformationMatrix);
3981 root_frame->pFrameFirstChild = first_frame;
3982 *frame_hierarchy = root_frame;
3983 hr = D3D_OK;
3984 } else {
3985 *frame_hierarchy = first_frame;
3986 hr = D3D_OK;
3989 cleanup:
3990 if (FAILED(hr) && first_frame) D3DXFrameDestroy(first_frame, alloc_hier);
3991 if (filedata) filedata->lpVtbl->Release(filedata);
3992 if (enumobj) enumobj->lpVtbl->Release(enumobj);
3993 if (d3dxfile) d3dxfile->lpVtbl->Release(d3dxfile);
3994 return hr;
3997 HRESULT WINAPI D3DXCleanMesh(D3DXCLEANTYPE clean_type, ID3DXMesh *mesh_in, const DWORD *adjacency_in,
3998 ID3DXMesh **mesh_out, DWORD *adjacency_out, ID3DXBuffer **errors_and_warnings)
4000 FIXME("(%u, %p, %p, %p, %p, %p)\n", clean_type, mesh_in, adjacency_in, mesh_out, adjacency_out, errors_and_warnings);
4002 return E_NOTIMPL;
4005 HRESULT WINAPI D3DXFrameDestroy(D3DXFRAME *frame, ID3DXAllocateHierarchy *alloc_hier)
4007 HRESULT hr;
4008 BOOL last = FALSE;
4010 TRACE("(%p, %p)\n", frame, alloc_hier);
4012 if (!frame || !alloc_hier)
4013 return D3DERR_INVALIDCALL;
4015 while (!last) {
4016 D3DXMESHCONTAINER *container;
4017 D3DXFRAME *current_frame;
4019 if (frame->pFrameSibling) {
4020 current_frame = frame->pFrameSibling;
4021 frame->pFrameSibling = current_frame->pFrameSibling;
4022 current_frame->pFrameSibling = NULL;
4023 } else {
4024 current_frame = frame;
4025 last = TRUE;
4028 if (current_frame->pFrameFirstChild) {
4029 hr = D3DXFrameDestroy(current_frame->pFrameFirstChild, alloc_hier);
4030 if (FAILED(hr)) return hr;
4031 current_frame->pFrameFirstChild = NULL;
4034 container = current_frame->pMeshContainer;
4035 while (container) {
4036 D3DXMESHCONTAINER *next_container = container->pNextMeshContainer;
4037 hr = alloc_hier->lpVtbl->DestroyMeshContainer(alloc_hier, container);
4038 if (FAILED(hr)) return hr;
4039 container = next_container;
4041 hr = alloc_hier->lpVtbl->DestroyFrame(alloc_hier, current_frame);
4042 if (FAILED(hr)) return hr;
4044 return D3D_OK;
4047 HRESULT WINAPI D3DXLoadMeshFromXA(const char *filename, DWORD options, struct IDirect3DDevice9 *device,
4048 struct ID3DXBuffer **adjacency, struct ID3DXBuffer **materials, struct ID3DXBuffer **effect_instances,
4049 DWORD *num_materials, struct ID3DXMesh **mesh)
4051 WCHAR *filenameW;
4052 HRESULT hr;
4053 int len;
4055 TRACE("filename %s, options %#x, device %p, adjacency %p, materials %p, "
4056 "effect_instances %p, num_materials %p, mesh %p.\n",
4057 debugstr_a(filename), options, device, adjacency, materials,
4058 effect_instances, num_materials, mesh);
4060 if (!filename)
4061 return D3DERR_INVALIDCALL;
4063 len = MultiByteToWideChar(CP_ACP, 0, filename, -1, NULL, 0);
4064 filenameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
4065 if (!filenameW) return E_OUTOFMEMORY;
4066 MultiByteToWideChar(CP_ACP, 0, filename, -1, filenameW, len);
4068 hr = D3DXLoadMeshFromXW(filenameW, options, device, adjacency, materials,
4069 effect_instances, num_materials, mesh);
4070 HeapFree(GetProcessHeap(), 0, filenameW);
4072 return hr;
4075 HRESULT WINAPI D3DXLoadMeshFromXW(const WCHAR *filename, DWORD options, struct IDirect3DDevice9 *device,
4076 struct ID3DXBuffer **adjacency, struct ID3DXBuffer **materials, struct ID3DXBuffer **effect_instances,
4077 DWORD *num_materials, struct ID3DXMesh **mesh)
4079 void *buffer;
4080 HRESULT hr;
4081 DWORD size;
4083 TRACE("filename %s, options %#x, device %p, adjacency %p, materials %p, "
4084 "effect_instances %p, num_materials %p, mesh %p.\n",
4085 debugstr_w(filename), options, device, adjacency, materials,
4086 effect_instances, num_materials, mesh);
4088 if (!filename)
4089 return D3DERR_INVALIDCALL;
4091 hr = map_view_of_file(filename, &buffer, &size);
4092 if (FAILED(hr))
4093 return D3DXERR_INVALIDDATA;
4095 hr = D3DXLoadMeshFromXInMemory(buffer, size, options, device, adjacency,
4096 materials, effect_instances, num_materials, mesh);
4098 UnmapViewOfFile(buffer);
4100 return hr;
4103 HRESULT WINAPI D3DXLoadMeshFromXResource(HMODULE module, const char *name, const char *type, DWORD options,
4104 struct IDirect3DDevice9 *device, struct ID3DXBuffer **adjacency, struct ID3DXBuffer **materials,
4105 struct ID3DXBuffer **effect_instances, DWORD *num_materials, struct ID3DXMesh **mesh)
4107 HRESULT hr;
4108 HRSRC resinfo;
4109 void *buffer;
4110 DWORD size;
4112 TRACE("module %p, name %s, type %s, options %#x, device %p, adjacency %p, "
4113 "materials %p, effect_instances %p, num_materials %p, mesh %p.\n",
4114 module, debugstr_a(name), debugstr_a(type), options, device, adjacency,
4115 materials, effect_instances, num_materials, mesh);
4117 resinfo = FindResourceA(module, name, type);
4118 if (!resinfo) return D3DXERR_INVALIDDATA;
4120 hr = load_resource_into_memory(module, resinfo, &buffer, &size);
4121 if (FAILED(hr)) return D3DXERR_INVALIDDATA;
4123 return D3DXLoadMeshFromXInMemory(buffer, size, options, device, adjacency,
4124 materials, effect_instances, num_materials, mesh);
4127 struct mesh_container
4129 struct list entry;
4130 ID3DXMesh *mesh;
4131 ID3DXBuffer *adjacency;
4132 ID3DXBuffer *materials;
4133 ID3DXBuffer *effects;
4134 DWORD num_materials;
4135 D3DXMATRIX transform;
4138 static HRESULT parse_frame(struct ID3DXFileData *filedata, DWORD options, struct IDirect3DDevice9 *device,
4139 const D3DXMATRIX *parent_transform, struct list *container_list, DWORD provide_flags)
4141 HRESULT hr;
4142 D3DXMATRIX transform = *parent_transform;
4143 ID3DXFileData *child;
4144 GUID type;
4145 SIZE_T i, nb_children;
4147 hr = filedata->lpVtbl->GetChildren(filedata, &nb_children);
4148 if (FAILED(hr))
4149 return hr;
4151 for (i = 0; i < nb_children; i++)
4153 hr = filedata->lpVtbl->GetChild(filedata, i, &child);
4154 if (FAILED(hr))
4155 return hr;
4156 hr = child->lpVtbl->GetType(child, &type);
4157 if (FAILED(hr))
4158 goto err;
4160 if (IsEqualGUID(&type, &TID_D3DRMMesh)) {
4161 struct mesh_container *container = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*container));
4162 if (!container)
4164 hr = E_OUTOFMEMORY;
4165 goto err;
4167 list_add_tail(container_list, &container->entry);
4168 container->transform = transform;
4170 hr = D3DXLoadSkinMeshFromXof(child, options, device,
4171 (provide_flags & PROVIDE_ADJACENCY) ? &container->adjacency : NULL,
4172 (provide_flags & PROVIDE_MATERIALS) ? &container->materials : NULL,
4173 NULL, &container->num_materials, NULL, &container->mesh);
4174 } else if (IsEqualGUID(&type, &TID_D3DRMFrameTransformMatrix)) {
4175 D3DXMATRIX new_transform;
4176 hr = parse_transform_matrix(child, &new_transform);
4177 D3DXMatrixMultiply(&transform, &transform, &new_transform);
4178 } else if (IsEqualGUID(&type, &TID_D3DRMFrame)) {
4179 hr = parse_frame(child, options, device, &transform, container_list, provide_flags);
4181 if (FAILED(hr))
4182 goto err;
4184 IUnknown_Release(child);
4186 return D3D_OK;
4188 err:
4189 IUnknown_Release(child);
4190 return hr;
4193 HRESULT WINAPI D3DXLoadMeshFromXInMemory(const void *memory, DWORD memory_size, DWORD options,
4194 struct IDirect3DDevice9 *device, struct ID3DXBuffer **adjacency_out, struct ID3DXBuffer **materials_out,
4195 struct ID3DXBuffer **effects_out, DWORD *num_materials_out, struct ID3DXMesh **mesh_out)
4197 HRESULT hr;
4198 ID3DXFile *d3dxfile = NULL;
4199 ID3DXFileEnumObject *enumobj = NULL;
4200 ID3DXFileData *filedata = NULL;
4201 D3DXF_FILELOADMEMORY source;
4202 ID3DXBuffer *materials = NULL;
4203 ID3DXBuffer *effects = NULL;
4204 ID3DXBuffer *adjacency = NULL;
4205 struct list container_list = LIST_INIT(container_list);
4206 struct mesh_container *container_ptr, *next_container_ptr;
4207 DWORD num_materials;
4208 DWORD num_faces, num_vertices;
4209 D3DXMATRIX identity;
4210 DWORD provide_flags = 0;
4211 DWORD fvf;
4212 ID3DXMesh *concat_mesh = NULL;
4213 D3DVERTEXELEMENT9 concat_decl[MAX_FVF_DECL_SIZE];
4214 BYTE *concat_vertices = NULL;
4215 void *concat_indices = NULL;
4216 DWORD index_offset;
4217 DWORD concat_vertex_size;
4218 SIZE_T i, nb_children;
4219 GUID guid;
4221 TRACE("(%p, %u, %x, %p, %p, %p, %p, %p, %p)\n", memory, memory_size, options,
4222 device, adjacency_out, materials_out, effects_out, num_materials_out, mesh_out);
4224 if (!memory || !memory_size || !device || !mesh_out)
4225 return D3DERR_INVALIDCALL;
4227 hr = D3DXFileCreate(&d3dxfile);
4228 if (FAILED(hr)) goto cleanup;
4230 hr = d3dxfile->lpVtbl->RegisterTemplates(d3dxfile, D3DRM_XTEMPLATES, D3DRM_XTEMPLATE_BYTES);
4231 if (FAILED(hr)) goto cleanup;
4233 source.lpMemory = (void*)memory;
4234 source.dSize = memory_size;
4235 hr = d3dxfile->lpVtbl->CreateEnumObject(d3dxfile, &source, D3DXF_FILELOAD_FROMMEMORY, &enumobj);
4236 if (FAILED(hr)) goto cleanup;
4238 D3DXMatrixIdentity(&identity);
4239 if (adjacency_out) provide_flags |= PROVIDE_ADJACENCY;
4240 if (materials_out || effects_out) provide_flags |= PROVIDE_MATERIALS;
4242 hr = enumobj->lpVtbl->GetChildren(enumobj, &nb_children);
4243 if (FAILED(hr))
4244 goto cleanup;
4246 for (i = 0; i < nb_children; i++)
4248 hr = enumobj->lpVtbl->GetChild(enumobj, i, &filedata);
4249 if (FAILED(hr))
4250 goto cleanup;
4252 hr = filedata->lpVtbl->GetType(filedata, &guid);
4253 if (SUCCEEDED(hr)) {
4254 if (IsEqualGUID(&guid, &TID_D3DRMMesh)) {
4255 container_ptr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*container_ptr));
4256 if (!container_ptr) {
4257 hr = E_OUTOFMEMORY;
4258 goto cleanup;
4260 list_add_tail(&container_list, &container_ptr->entry);
4261 D3DXMatrixIdentity(&container_ptr->transform);
4263 hr = D3DXLoadSkinMeshFromXof(filedata, options, device,
4264 (provide_flags & PROVIDE_ADJACENCY) ? &container_ptr->adjacency : NULL,
4265 (provide_flags & PROVIDE_MATERIALS) ? &container_ptr->materials : NULL,
4266 NULL, &container_ptr->num_materials, NULL, &container_ptr->mesh);
4267 } else if (IsEqualGUID(&guid, &TID_D3DRMFrame)) {
4268 hr = parse_frame(filedata, options, device, &identity, &container_list, provide_flags);
4270 if (FAILED(hr)) goto cleanup;
4272 filedata->lpVtbl->Release(filedata);
4273 filedata = NULL;
4274 if (FAILED(hr))
4275 goto cleanup;
4278 enumobj->lpVtbl->Release(enumobj);
4279 enumobj = NULL;
4280 d3dxfile->lpVtbl->Release(d3dxfile);
4281 d3dxfile = NULL;
4283 if (list_empty(&container_list)) {
4284 hr = E_FAIL;
4285 goto cleanup;
4288 fvf = D3DFVF_XYZ;
4289 num_faces = 0;
4290 num_vertices = 0;
4291 num_materials = 0;
4292 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4294 ID3DXMesh *mesh = container_ptr->mesh;
4295 fvf |= mesh->lpVtbl->GetFVF(mesh);
4296 num_faces += mesh->lpVtbl->GetNumFaces(mesh);
4297 num_vertices += mesh->lpVtbl->GetNumVertices(mesh);
4298 num_materials += container_ptr->num_materials;
4301 hr = D3DXCreateMeshFVF(num_faces, num_vertices, options, fvf, device, &concat_mesh);
4302 if (FAILED(hr)) goto cleanup;
4304 hr = concat_mesh->lpVtbl->GetDeclaration(concat_mesh, concat_decl);
4305 if (FAILED(hr)) goto cleanup;
4307 concat_vertex_size = D3DXGetDeclVertexSize(concat_decl, 0);
4309 hr = concat_mesh->lpVtbl->LockVertexBuffer(concat_mesh, 0, (void**)&concat_vertices);
4310 if (FAILED(hr)) goto cleanup;
4312 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4314 D3DVERTEXELEMENT9 mesh_decl[MAX_FVF_DECL_SIZE];
4315 ID3DXMesh *mesh = container_ptr->mesh;
4316 DWORD num_mesh_vertices = mesh->lpVtbl->GetNumVertices(mesh);
4317 DWORD mesh_vertex_size;
4318 const BYTE *mesh_vertices;
4319 DWORD i;
4321 hr = mesh->lpVtbl->GetDeclaration(mesh, mesh_decl);
4322 if (FAILED(hr)) goto cleanup;
4324 mesh_vertex_size = D3DXGetDeclVertexSize(mesh_decl, 0);
4326 hr = mesh->lpVtbl->LockVertexBuffer(mesh, D3DLOCK_READONLY, (void**)&mesh_vertices);
4327 if (FAILED(hr)) goto cleanup;
4329 for (i = 0; i < num_mesh_vertices; i++) {
4330 int j;
4331 int k = 1;
4333 D3DXVec3TransformCoord((D3DXVECTOR3*)concat_vertices,
4334 (D3DXVECTOR3*)mesh_vertices,
4335 &container_ptr->transform);
4336 for (j = 1; concat_decl[j].Stream != 0xff; j++)
4338 if (concat_decl[j].Usage == mesh_decl[k].Usage &&
4339 concat_decl[j].UsageIndex == mesh_decl[k].UsageIndex)
4341 if (concat_decl[j].Usage == D3DDECLUSAGE_NORMAL) {
4342 D3DXVec3TransformCoord((D3DXVECTOR3*)(concat_vertices + concat_decl[j].Offset),
4343 (D3DXVECTOR3*)(mesh_vertices + mesh_decl[k].Offset),
4344 &container_ptr->transform);
4345 } else {
4346 memcpy(concat_vertices + concat_decl[j].Offset,
4347 mesh_vertices + mesh_decl[k].Offset,
4348 d3dx_decltype_size[mesh_decl[k].Type]);
4350 k++;
4353 mesh_vertices += mesh_vertex_size;
4354 concat_vertices += concat_vertex_size;
4357 mesh->lpVtbl->UnlockVertexBuffer(mesh);
4360 concat_mesh->lpVtbl->UnlockVertexBuffer(concat_mesh);
4361 concat_vertices = NULL;
4363 hr = concat_mesh->lpVtbl->LockIndexBuffer(concat_mesh, 0, &concat_indices);
4364 if (FAILED(hr)) goto cleanup;
4366 index_offset = 0;
4367 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4369 ID3DXMesh *mesh = container_ptr->mesh;
4370 const void *mesh_indices;
4371 DWORD num_mesh_faces = mesh->lpVtbl->GetNumFaces(mesh);
4372 DWORD i;
4374 hr = mesh->lpVtbl->LockIndexBuffer(mesh, D3DLOCK_READONLY, (void**)&mesh_indices);
4375 if (FAILED(hr)) goto cleanup;
4377 if (options & D3DXMESH_32BIT) {
4378 DWORD *dest = concat_indices;
4379 const DWORD *src = mesh_indices;
4380 for (i = 0; i < num_mesh_faces * 3; i++)
4381 *dest++ = index_offset + *src++;
4382 concat_indices = dest;
4383 } else {
4384 WORD *dest = concat_indices;
4385 const WORD *src = mesh_indices;
4386 for (i = 0; i < num_mesh_faces * 3; i++)
4387 *dest++ = index_offset + *src++;
4388 concat_indices = dest;
4390 mesh->lpVtbl->UnlockIndexBuffer(mesh);
4392 index_offset += num_mesh_faces * 3;
4395 concat_mesh->lpVtbl->UnlockIndexBuffer(concat_mesh);
4396 concat_indices = NULL;
4398 if (num_materials) {
4399 DWORD *concat_attrib_buffer = NULL;
4400 DWORD offset = 0;
4402 hr = concat_mesh->lpVtbl->LockAttributeBuffer(concat_mesh, 0, &concat_attrib_buffer);
4403 if (FAILED(hr)) goto cleanup;
4405 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4407 ID3DXMesh *mesh = container_ptr->mesh;
4408 const DWORD *mesh_attrib_buffer = NULL;
4409 DWORD count = mesh->lpVtbl->GetNumFaces(mesh);
4411 hr = mesh->lpVtbl->LockAttributeBuffer(mesh, D3DLOCK_READONLY, (DWORD**)&mesh_attrib_buffer);
4412 if (FAILED(hr)) {
4413 concat_mesh->lpVtbl->UnlockAttributeBuffer(concat_mesh);
4414 goto cleanup;
4417 while (count--)
4418 *concat_attrib_buffer++ = offset + *mesh_attrib_buffer++;
4420 mesh->lpVtbl->UnlockAttributeBuffer(mesh);
4421 offset += container_ptr->num_materials;
4423 concat_mesh->lpVtbl->UnlockAttributeBuffer(concat_mesh);
4426 if (materials_out || effects_out) {
4427 D3DXMATERIAL *out_ptr;
4428 if (!num_materials) {
4429 /* create default material */
4430 hr = D3DXCreateBuffer(sizeof(D3DXMATERIAL), &materials);
4431 if (FAILED(hr)) goto cleanup;
4433 out_ptr = ID3DXBuffer_GetBufferPointer(materials);
4434 out_ptr->MatD3D.Diffuse.r = 0.5f;
4435 out_ptr->MatD3D.Diffuse.g = 0.5f;
4436 out_ptr->MatD3D.Diffuse.b = 0.5f;
4437 out_ptr->MatD3D.Specular.r = 0.5f;
4438 out_ptr->MatD3D.Specular.g = 0.5f;
4439 out_ptr->MatD3D.Specular.b = 0.5f;
4440 /* D3DXCreateBuffer initializes the rest to zero */
4441 } else {
4442 DWORD buffer_size = num_materials * sizeof(D3DXMATERIAL);
4443 char *strings_out_ptr;
4445 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4447 if (container_ptr->materials) {
4448 DWORD i;
4449 const D3DXMATERIAL *in_ptr = ID3DXBuffer_GetBufferPointer(container_ptr->materials);
4450 for (i = 0; i < container_ptr->num_materials; i++)
4452 if (in_ptr->pTextureFilename)
4453 buffer_size += strlen(in_ptr->pTextureFilename) + 1;
4454 in_ptr++;
4459 hr = D3DXCreateBuffer(buffer_size, &materials);
4460 if (FAILED(hr)) goto cleanup;
4461 out_ptr = ID3DXBuffer_GetBufferPointer(materials);
4462 strings_out_ptr = (char*)(out_ptr + num_materials);
4464 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4466 if (container_ptr->materials) {
4467 DWORD i;
4468 const D3DXMATERIAL *in_ptr = ID3DXBuffer_GetBufferPointer(container_ptr->materials);
4469 for (i = 0; i < container_ptr->num_materials; i++)
4471 out_ptr->MatD3D = in_ptr->MatD3D;
4472 if (in_ptr->pTextureFilename) {
4473 out_ptr->pTextureFilename = strings_out_ptr;
4474 strcpy(out_ptr->pTextureFilename, in_ptr->pTextureFilename);
4475 strings_out_ptr += strlen(in_ptr->pTextureFilename) + 1;
4477 in_ptr++;
4478 out_ptr++;
4484 if (!num_materials)
4485 num_materials = 1;
4487 if (effects_out) {
4488 generate_effects(materials, num_materials, &effects);
4489 if (!materials_out) {
4490 ID3DXBuffer_Release(materials);
4491 materials = NULL;
4495 if (adjacency_out) {
4496 if (!list_next(&container_list, list_head(&container_list))) {
4497 container_ptr = LIST_ENTRY(list_head(&container_list), struct mesh_container, entry);
4498 adjacency = container_ptr->adjacency;
4499 container_ptr->adjacency = NULL;
4500 } else {
4501 DWORD offset = 0;
4502 DWORD *out_ptr;
4504 hr = D3DXCreateBuffer(num_faces * 3 * sizeof(DWORD), &adjacency);
4505 if (FAILED(hr)) goto cleanup;
4507 out_ptr = ID3DXBuffer_GetBufferPointer(adjacency);
4508 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4510 DWORD i;
4511 DWORD count = 3 * container_ptr->mesh->lpVtbl->GetNumFaces(container_ptr->mesh);
4512 DWORD *in_ptr = ID3DXBuffer_GetBufferPointer(container_ptr->adjacency);
4514 for (i = 0; i < count; i++)
4515 *out_ptr++ = offset + *in_ptr++;
4517 offset += count;
4522 *mesh_out = concat_mesh;
4523 if (adjacency_out) *adjacency_out = adjacency;
4524 if (materials_out) *materials_out = materials;
4525 if (effects_out) *effects_out = effects;
4526 if (num_materials_out) *num_materials_out = num_materials;
4528 hr = D3D_OK;
4529 cleanup:
4530 if (concat_indices) concat_mesh->lpVtbl->UnlockIndexBuffer(concat_mesh);
4531 if (concat_vertices) concat_mesh->lpVtbl->UnlockVertexBuffer(concat_mesh);
4532 if (filedata) filedata->lpVtbl->Release(filedata);
4533 if (enumobj) enumobj->lpVtbl->Release(enumobj);
4534 if (d3dxfile) d3dxfile->lpVtbl->Release(d3dxfile);
4535 if (FAILED(hr)) {
4536 if (concat_mesh) IUnknown_Release(concat_mesh);
4537 if (materials) ID3DXBuffer_Release(materials);
4538 if (effects) ID3DXBuffer_Release(effects);
4539 if (adjacency) ID3DXBuffer_Release(adjacency);
4541 LIST_FOR_EACH_ENTRY_SAFE(container_ptr, next_container_ptr, &container_list, struct mesh_container, entry)
4543 if (container_ptr->mesh) IUnknown_Release(container_ptr->mesh);
4544 if (container_ptr->adjacency) ID3DXBuffer_Release(container_ptr->adjacency);
4545 if (container_ptr->materials) ID3DXBuffer_Release(container_ptr->materials);
4546 if (container_ptr->effects) ID3DXBuffer_Release(container_ptr->effects);
4547 HeapFree(GetProcessHeap(), 0, container_ptr);
4549 return hr;
4552 struct vertex
4554 D3DXVECTOR3 position;
4555 D3DXVECTOR3 normal;
4558 HRESULT WINAPI D3DXCreatePolygon(struct IDirect3DDevice9 *device, float length, UINT sides,
4559 struct ID3DXMesh **mesh, struct ID3DXBuffer **adjacency)
4561 HRESULT hr;
4562 ID3DXMesh *polygon;
4563 struct vertex *vertices;
4564 WORD (*faces)[3];
4565 DWORD (*adjacency_buf)[3];
4566 float scale;
4567 unsigned int i;
4569 TRACE("device %p, length %f, sides %u, mesh %p, adjacency %p.\n",
4570 device, length, sides, mesh, adjacency);
4572 if (!device || length < 0.0f || sides < 3 || !mesh)
4573 return D3DERR_INVALIDCALL;
4575 if (FAILED(hr = D3DXCreateMeshFVF(sides, sides + 1, D3DXMESH_MANAGED,
4576 D3DFVF_XYZ | D3DFVF_NORMAL, device, &polygon)))
4578 return hr;
4581 if (FAILED(hr = polygon->lpVtbl->LockVertexBuffer(polygon, 0, (void **)&vertices)))
4583 polygon->lpVtbl->Release(polygon);
4584 return hr;
4587 if (FAILED(hr = polygon->lpVtbl->LockIndexBuffer(polygon, 0, (void **)&faces)))
4589 polygon->lpVtbl->UnlockVertexBuffer(polygon);
4590 polygon->lpVtbl->Release(polygon);
4591 return hr;
4594 scale = 0.5f * length / sinf(D3DX_PI / sides);
4596 vertices[0].position.x = 0.0f;
4597 vertices[0].position.y = 0.0f;
4598 vertices[0].position.z = 0.0f;
4599 vertices[0].normal.x = 0.0f;
4600 vertices[0].normal.y = 0.0f;
4601 vertices[0].normal.z = 1.0f;
4603 for (i = 0; i < sides; ++i)
4605 vertices[i + 1].position.x = cosf(2.0f * D3DX_PI * i / sides) * scale;
4606 vertices[i + 1].position.y = sinf(2.0f * D3DX_PI * i / sides) * scale;
4607 vertices[i + 1].position.z = 0.0f;
4608 vertices[i + 1].normal.x = 0.0f;
4609 vertices[i + 1].normal.y = 0.0f;
4610 vertices[i + 1].normal.z = 1.0f;
4612 faces[i][0] = 0;
4613 faces[i][1] = i + 1;
4614 faces[i][2] = i + 2;
4617 faces[sides - 1][2] = 1;
4619 polygon->lpVtbl->UnlockVertexBuffer(polygon);
4620 polygon->lpVtbl->UnlockIndexBuffer(polygon);
4622 if (adjacency)
4624 if (FAILED(hr = D3DXCreateBuffer(sides * sizeof(DWORD) * 3, adjacency)))
4626 polygon->lpVtbl->Release(polygon);
4627 return hr;
4630 adjacency_buf = ID3DXBuffer_GetBufferPointer(*adjacency);
4631 for (i = 0; i < sides; ++i)
4633 adjacency_buf[i][0] = i - 1;
4634 adjacency_buf[i][1] = ~0U;
4635 adjacency_buf[i][2] = i + 1;
4637 adjacency_buf[0][0] = sides - 1;
4638 adjacency_buf[sides - 1][2] = 0;
4641 *mesh = polygon;
4643 return D3D_OK;
4646 HRESULT WINAPI D3DXCreateBox(struct IDirect3DDevice9 *device, float width, float height,
4647 float depth, struct ID3DXMesh **mesh, struct ID3DXBuffer **adjacency)
4649 HRESULT hr;
4650 ID3DXMesh *box;
4651 struct vertex *vertices;
4652 WORD (*faces)[3];
4653 DWORD *adjacency_buf;
4654 unsigned int i, face;
4655 static const D3DXVECTOR3 unit_box[] =
4657 {-0.5f, -0.5f, -0.5f}, {-0.5f, -0.5f, 0.5f}, {-0.5f, 0.5f, 0.5f}, {-0.5f, 0.5f, -0.5f},
4658 {-0.5f, 0.5f, -0.5f}, {-0.5f, 0.5f, 0.5f}, { 0.5f, 0.5f, 0.5f}, { 0.5f, 0.5f, -0.5f},
4659 { 0.5f, 0.5f, -0.5f}, { 0.5f, 0.5f, 0.5f}, { 0.5f, -0.5f, 0.5f}, { 0.5f, -0.5f, -0.5f},
4660 {-0.5f, -0.5f, 0.5f}, {-0.5f, -0.5f, -0.5f}, { 0.5f, -0.5f, -0.5f}, { 0.5f, -0.5f, 0.5f},
4661 {-0.5f, -0.5f, 0.5f}, { 0.5f, -0.5f, 0.5f}, { 0.5f, 0.5f, 0.5f}, {-0.5f, 0.5f, 0.5f},
4662 {-0.5f, -0.5f, -0.5f}, {-0.5f, 0.5f, -0.5f}, { 0.5f, 0.5f, -0.5f}, { 0.5f, -0.5f, -0.5f}
4664 static const D3DXVECTOR3 normals[] =
4666 {-1.0f, 0.0f, 0.0f}, { 0.0f, 1.0f, 0.0f}, { 1.0f, 0.0f, 0.0f},
4667 { 0.0f, -1.0f, 0.0f}, { 0.0f, 0.0f, 1.0f}, { 0.0f, 0.0f, -1.0f}
4669 static const DWORD adjacency_table[] =
4671 6, 9, 1, 2, 10, 0, 1, 9, 3, 4, 10, 2,
4672 3, 8, 5, 7, 11, 4, 0, 11, 7, 5, 8, 6,
4673 7, 4, 9, 2, 0, 8, 1, 3, 11, 5, 6, 10
4676 TRACE("device %p, width %f, height %f, depth %f, mesh %p, adjacency %p\n",
4677 device, width, height, depth, mesh, adjacency);
4679 if (!device || width < 0.0f || height < 0.0f || depth < 0.0f || !mesh)
4681 return D3DERR_INVALIDCALL;
4684 if (FAILED(hr = D3DXCreateMeshFVF(12, 24, D3DXMESH_MANAGED, D3DFVF_XYZ | D3DFVF_NORMAL, device, &box)))
4686 return hr;
4689 if (FAILED(hr = box->lpVtbl->LockVertexBuffer(box, 0, (void **)&vertices)))
4691 box->lpVtbl->Release(box);
4692 return hr;
4695 if (FAILED(hr = box->lpVtbl->LockIndexBuffer(box, 0, (void **)&faces)))
4697 box->lpVtbl->UnlockVertexBuffer(box);
4698 box->lpVtbl->Release(box);
4699 return hr;
4702 for (i = 0; i < 24; i++)
4704 vertices[i].position.x = width * unit_box[i].x;
4705 vertices[i].position.y = height * unit_box[i].y;
4706 vertices[i].position.z = depth * unit_box[i].z;
4707 vertices[i].normal.x = normals[i / 4].x;
4708 vertices[i].normal.y = normals[i / 4].y;
4709 vertices[i].normal.z = normals[i / 4].z;
4712 face = 0;
4713 for (i = 0; i < 12; i++)
4715 faces[i][0] = face++;
4716 faces[i][1] = face++;
4717 faces[i][2] = (i % 2) ? face - 4 : face;
4720 box->lpVtbl->UnlockIndexBuffer(box);
4721 box->lpVtbl->UnlockVertexBuffer(box);
4723 if (adjacency)
4725 if (FAILED(hr = D3DXCreateBuffer(sizeof(adjacency_table), adjacency)))
4727 box->lpVtbl->Release(box);
4728 return hr;
4731 adjacency_buf = ID3DXBuffer_GetBufferPointer(*adjacency);
4732 memcpy(adjacency_buf, adjacency_table, sizeof(adjacency_table));
4735 *mesh = box;
4737 return D3D_OK;
4740 typedef WORD face[3];
4742 struct sincos_table
4744 float *sin;
4745 float *cos;
4748 static void free_sincos_table(struct sincos_table *sincos_table)
4750 HeapFree(GetProcessHeap(), 0, sincos_table->cos);
4751 HeapFree(GetProcessHeap(), 0, sincos_table->sin);
4754 /* pre compute sine and cosine tables; caller must free */
4755 static BOOL compute_sincos_table(struct sincos_table *sincos_table, float angle_start, float angle_step, int n)
4757 float angle;
4758 int i;
4760 sincos_table->sin = HeapAlloc(GetProcessHeap(), 0, n * sizeof(*sincos_table->sin));
4761 if (!sincos_table->sin)
4763 return FALSE;
4765 sincos_table->cos = HeapAlloc(GetProcessHeap(), 0, n * sizeof(*sincos_table->cos));
4766 if (!sincos_table->cos)
4768 HeapFree(GetProcessHeap(), 0, sincos_table->sin);
4769 return FALSE;
4772 angle = angle_start;
4773 for (i = 0; i < n; i++)
4775 sincos_table->sin[i] = sinf(angle);
4776 sincos_table->cos[i] = cosf(angle);
4777 angle += angle_step;
4780 return TRUE;
4783 static WORD vertex_index(UINT slices, int slice, int stack)
4785 return stack*slices+slice+1;
4788 HRESULT WINAPI D3DXCreateSphere(struct IDirect3DDevice9 *device, float radius, UINT slices,
4789 UINT stacks, struct ID3DXMesh **mesh, struct ID3DXBuffer **adjacency)
4791 DWORD number_of_vertices, number_of_faces;
4792 HRESULT hr;
4793 ID3DXMesh *sphere;
4794 struct vertex *vertices;
4795 face *faces;
4796 float phi_step, phi_start;
4797 struct sincos_table phi;
4798 float theta_step, theta, sin_theta, cos_theta;
4799 DWORD vertex, face, stack, slice;
4801 TRACE("(%p, %f, %u, %u, %p, %p)\n", device, radius, slices, stacks, mesh, adjacency);
4803 if (!device || radius < 0.0f || slices < 2 || stacks < 2 || !mesh)
4805 return D3DERR_INVALIDCALL;
4808 number_of_vertices = 2 + slices * (stacks-1);
4809 number_of_faces = 2 * slices + (stacks - 2) * (2 * slices);
4811 hr = D3DXCreateMeshFVF(number_of_faces, number_of_vertices, D3DXMESH_MANAGED,
4812 D3DFVF_XYZ | D3DFVF_NORMAL, device, &sphere);
4813 if (FAILED(hr))
4815 return hr;
4818 if (FAILED(hr = sphere->lpVtbl->LockVertexBuffer(sphere, 0, (void **)&vertices)))
4820 sphere->lpVtbl->Release(sphere);
4821 return hr;
4824 if (FAILED(hr = sphere->lpVtbl->LockIndexBuffer(sphere, 0, (void **)&faces)))
4826 sphere->lpVtbl->UnlockVertexBuffer(sphere);
4827 sphere->lpVtbl->Release(sphere);
4828 return hr;
4831 /* phi = angle on xz plane wrt z axis */
4832 phi_step = -2.0f * D3DX_PI / slices;
4833 phi_start = D3DX_PI / 2.0f;
4835 if (!compute_sincos_table(&phi, phi_start, phi_step, slices))
4837 sphere->lpVtbl->UnlockIndexBuffer(sphere);
4838 sphere->lpVtbl->UnlockVertexBuffer(sphere);
4839 sphere->lpVtbl->Release(sphere);
4840 return E_OUTOFMEMORY;
4843 /* theta = angle on xy plane wrt x axis */
4844 theta_step = D3DX_PI / stacks;
4845 theta = theta_step;
4847 vertex = 0;
4848 face = 0;
4850 vertices[vertex].normal.x = 0.0f;
4851 vertices[vertex].normal.y = 0.0f;
4852 vertices[vertex].normal.z = 1.0f;
4853 vertices[vertex].position.x = 0.0f;
4854 vertices[vertex].position.y = 0.0f;
4855 vertices[vertex].position.z = radius;
4856 vertex++;
4858 for (stack = 0; stack < stacks - 1; stack++)
4860 sin_theta = sinf(theta);
4861 cos_theta = cosf(theta);
4863 for (slice = 0; slice < slices; slice++)
4865 vertices[vertex].normal.x = sin_theta * phi.cos[slice];
4866 vertices[vertex].normal.y = sin_theta * phi.sin[slice];
4867 vertices[vertex].normal.z = cos_theta;
4868 vertices[vertex].position.x = radius * sin_theta * phi.cos[slice];
4869 vertices[vertex].position.y = radius * sin_theta * phi.sin[slice];
4870 vertices[vertex].position.z = radius * cos_theta;
4871 vertex++;
4873 if (slice > 0)
4875 if (stack == 0)
4877 /* top stack is triangle fan */
4878 faces[face][0] = 0;
4879 faces[face][1] = slice + 1;
4880 faces[face][2] = slice;
4881 face++;
4883 else
4885 /* stacks in between top and bottom are quad strips */
4886 faces[face][0] = vertex_index(slices, slice-1, stack-1);
4887 faces[face][1] = vertex_index(slices, slice, stack-1);
4888 faces[face][2] = vertex_index(slices, slice-1, stack);
4889 face++;
4891 faces[face][0] = vertex_index(slices, slice, stack-1);
4892 faces[face][1] = vertex_index(slices, slice, stack);
4893 faces[face][2] = vertex_index(slices, slice-1, stack);
4894 face++;
4899 theta += theta_step;
4901 if (stack == 0)
4903 faces[face][0] = 0;
4904 faces[face][1] = 1;
4905 faces[face][2] = slice;
4906 face++;
4908 else
4910 faces[face][0] = vertex_index(slices, slice-1, stack-1);
4911 faces[face][1] = vertex_index(slices, 0, stack-1);
4912 faces[face][2] = vertex_index(slices, slice-1, stack);
4913 face++;
4915 faces[face][0] = vertex_index(slices, 0, stack-1);
4916 faces[face][1] = vertex_index(slices, 0, stack);
4917 faces[face][2] = vertex_index(slices, slice-1, stack);
4918 face++;
4922 vertices[vertex].position.x = 0.0f;
4923 vertices[vertex].position.y = 0.0f;
4924 vertices[vertex].position.z = -radius;
4925 vertices[vertex].normal.x = 0.0f;
4926 vertices[vertex].normal.y = 0.0f;
4927 vertices[vertex].normal.z = -1.0f;
4929 /* bottom stack is triangle fan */
4930 for (slice = 1; slice < slices; slice++)
4932 faces[face][0] = vertex_index(slices, slice-1, stack-1);
4933 faces[face][1] = vertex_index(slices, slice, stack-1);
4934 faces[face][2] = vertex;
4935 face++;
4938 faces[face][0] = vertex_index(slices, slice-1, stack-1);
4939 faces[face][1] = vertex_index(slices, 0, stack-1);
4940 faces[face][2] = vertex;
4942 free_sincos_table(&phi);
4943 sphere->lpVtbl->UnlockIndexBuffer(sphere);
4944 sphere->lpVtbl->UnlockVertexBuffer(sphere);
4947 if (adjacency)
4949 if (FAILED(hr = D3DXCreateBuffer(number_of_faces * sizeof(DWORD) * 3, adjacency)))
4951 sphere->lpVtbl->Release(sphere);
4952 return hr;
4955 if (FAILED(hr = sphere->lpVtbl->GenerateAdjacency(sphere, 0.0f, (*adjacency)->lpVtbl->GetBufferPointer(*adjacency))))
4957 (*adjacency)->lpVtbl->Release(*adjacency);
4958 sphere->lpVtbl->Release(sphere);
4959 return hr;
4963 *mesh = sphere;
4965 return D3D_OK;
4968 HRESULT WINAPI D3DXCreateCylinder(struct IDirect3DDevice9 *device, float radius1, float radius2,
4969 float length, UINT slices, UINT stacks, struct ID3DXMesh **mesh, struct ID3DXBuffer **adjacency)
4971 DWORD number_of_vertices, number_of_faces;
4972 HRESULT hr;
4973 ID3DXMesh *cylinder;
4974 struct vertex *vertices;
4975 face *faces;
4976 float theta_step, theta_start;
4977 struct sincos_table theta;
4978 float delta_radius, radius, radius_step;
4979 float z, z_step, z_normal;
4980 DWORD vertex, face, slice, stack;
4982 TRACE("(%p, %f, %f, %f, %u, %u, %p, %p)\n", device, radius1, radius2, length, slices, stacks, mesh, adjacency);
4984 if (device == NULL || radius1 < 0.0f || radius2 < 0.0f || length < 0.0f || slices < 2 || stacks < 1 || mesh == NULL)
4986 return D3DERR_INVALIDCALL;
4989 if (adjacency)
4991 FIXME("Case of adjacency != NULL not implemented.\n");
4992 return E_NOTIMPL;
4995 number_of_vertices = 2 + (slices * (3 + stacks));
4996 number_of_faces = 2 * slices + stacks * (2 * slices);
4998 hr = D3DXCreateMeshFVF(number_of_faces, number_of_vertices, D3DXMESH_MANAGED,
4999 D3DFVF_XYZ | D3DFVF_NORMAL, device, &cylinder);
5000 if (FAILED(hr))
5002 return hr;
5005 if (FAILED(hr = cylinder->lpVtbl->LockVertexBuffer(cylinder, 0, (void **)&vertices)))
5007 cylinder->lpVtbl->Release(cylinder);
5008 return hr;
5011 if (FAILED(hr = cylinder->lpVtbl->LockIndexBuffer(cylinder, 0, (void **)&faces)))
5013 cylinder->lpVtbl->UnlockVertexBuffer(cylinder);
5014 cylinder->lpVtbl->Release(cylinder);
5015 return hr;
5018 /* theta = angle on xy plane wrt x axis */
5019 theta_step = -2.0f * D3DX_PI / slices;
5020 theta_start = D3DX_PI / 2.0f;
5022 if (!compute_sincos_table(&theta, theta_start, theta_step, slices))
5024 cylinder->lpVtbl->UnlockIndexBuffer(cylinder);
5025 cylinder->lpVtbl->UnlockVertexBuffer(cylinder);
5026 cylinder->lpVtbl->Release(cylinder);
5027 return E_OUTOFMEMORY;
5030 vertex = 0;
5031 face = 0;
5033 delta_radius = radius1 - radius2;
5034 radius = radius1;
5035 radius_step = delta_radius / stacks;
5037 z = -length / 2;
5038 z_step = length / stacks;
5039 z_normal = delta_radius / length;
5040 if (isnan(z_normal))
5042 z_normal = 0.0f;
5045 vertices[vertex].normal.x = 0.0f;
5046 vertices[vertex].normal.y = 0.0f;
5047 vertices[vertex].normal.z = -1.0f;
5048 vertices[vertex].position.x = 0.0f;
5049 vertices[vertex].position.y = 0.0f;
5050 vertices[vertex++].position.z = z;
5052 for (slice = 0; slice < slices; slice++, vertex++)
5054 vertices[vertex].normal.x = 0.0f;
5055 vertices[vertex].normal.y = 0.0f;
5056 vertices[vertex].normal.z = -1.0f;
5057 vertices[vertex].position.x = radius * theta.cos[slice];
5058 vertices[vertex].position.y = radius * theta.sin[slice];
5059 vertices[vertex].position.z = z;
5061 if (slice > 0)
5063 faces[face][0] = 0;
5064 faces[face][1] = slice;
5065 faces[face++][2] = slice + 1;
5069 faces[face][0] = 0;
5070 faces[face][1] = slice;
5071 faces[face++][2] = 1;
5073 for (stack = 1; stack <= stacks+1; stack++)
5075 for (slice = 0; slice < slices; slice++, vertex++)
5077 vertices[vertex].normal.x = theta.cos[slice];
5078 vertices[vertex].normal.y = theta.sin[slice];
5079 vertices[vertex].normal.z = z_normal;
5080 D3DXVec3Normalize(&vertices[vertex].normal, &vertices[vertex].normal);
5081 vertices[vertex].position.x = radius * theta.cos[slice];
5082 vertices[vertex].position.y = radius * theta.sin[slice];
5083 vertices[vertex].position.z = z;
5085 if (stack > 1 && slice > 0)
5087 faces[face][0] = vertex_index(slices, slice-1, stack-1);
5088 faces[face][1] = vertex_index(slices, slice-1, stack);
5089 faces[face++][2] = vertex_index(slices, slice, stack-1);
5091 faces[face][0] = vertex_index(slices, slice, stack-1);
5092 faces[face][1] = vertex_index(slices, slice-1, stack);
5093 faces[face++][2] = vertex_index(slices, slice, stack);
5097 if (stack > 1)
5099 faces[face][0] = vertex_index(slices, slice-1, stack-1);
5100 faces[face][1] = vertex_index(slices, slice-1, stack);
5101 faces[face++][2] = vertex_index(slices, 0, stack-1);
5103 faces[face][0] = vertex_index(slices, 0, stack-1);
5104 faces[face][1] = vertex_index(slices, slice-1, stack);
5105 faces[face++][2] = vertex_index(slices, 0, stack);
5108 if (stack < stacks + 1)
5110 z += z_step;
5111 radius -= radius_step;
5115 for (slice = 0; slice < slices; slice++, vertex++)
5117 vertices[vertex].normal.x = 0.0f;
5118 vertices[vertex].normal.y = 0.0f;
5119 vertices[vertex].normal.z = 1.0f;
5120 vertices[vertex].position.x = radius * theta.cos[slice];
5121 vertices[vertex].position.y = radius * theta.sin[slice];
5122 vertices[vertex].position.z = z;
5124 if (slice > 0)
5126 faces[face][0] = vertex_index(slices, slice-1, stack);
5127 faces[face][1] = number_of_vertices - 1;
5128 faces[face++][2] = vertex_index(slices, slice, stack);
5132 vertices[vertex].position.x = 0.0f;
5133 vertices[vertex].position.y = 0.0f;
5134 vertices[vertex].position.z = z;
5135 vertices[vertex].normal.x = 0.0f;
5136 vertices[vertex].normal.y = 0.0f;
5137 vertices[vertex].normal.z = 1.0f;
5139 faces[face][0] = vertex_index(slices, slice-1, stack);
5140 faces[face][1] = number_of_vertices - 1;
5141 faces[face][2] = vertex_index(slices, 0, stack);
5143 free_sincos_table(&theta);
5144 cylinder->lpVtbl->UnlockIndexBuffer(cylinder);
5145 cylinder->lpVtbl->UnlockVertexBuffer(cylinder);
5146 *mesh = cylinder;
5148 return D3D_OK;
5151 HRESULT WINAPI D3DXCreateTeapot(struct IDirect3DDevice9 *device,
5152 struct ID3DXMesh **mesh, struct ID3DXBuffer **adjacency)
5154 FIXME("(%p, %p, %p): stub\n", device, mesh, adjacency);
5156 return E_NOTIMPL;
5159 HRESULT WINAPI D3DXCreateTextA(struct IDirect3DDevice9 *device, HDC hdc, const char *text, float deviation,
5160 float extrusion, struct ID3DXMesh **mesh, struct ID3DXBuffer **adjacency, GLYPHMETRICSFLOAT *glyphmetrics)
5162 WCHAR *textW;
5163 HRESULT hr;
5164 int len;
5166 TRACE("device %p, hdc %p, text %s, deviation %.8e, extrusion %.8e, mesh %p, adjacency %p, glyphmetrics %p.\n",
5167 device, hdc, debugstr_a(text), deviation, extrusion, mesh, adjacency, glyphmetrics);
5169 if (!text)
5170 return D3DERR_INVALIDCALL;
5172 len = MultiByteToWideChar(CP_ACP, 0, text, -1, NULL, 0);
5173 textW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
5174 MultiByteToWideChar(CP_ACP, 0, text, -1, textW, len);
5176 hr = D3DXCreateTextW(device, hdc, textW, deviation, extrusion,
5177 mesh, adjacency, glyphmetrics);
5178 HeapFree(GetProcessHeap(), 0, textW);
5180 return hr;
5183 HRESULT WINAPI D3DXCreateTorus(struct IDirect3DDevice9 *device,
5184 float innerradius, float outerradius, UINT sides, UINT rings, struct ID3DXMesh **mesh, ID3DXBuffer **adjacency)
5186 HRESULT hr;
5187 ID3DXMesh *torus;
5188 WORD (*faces)[3];
5189 struct vertex *vertices;
5190 float phi, phi_step, sin_phi, cos_phi;
5191 float theta, theta_step, sin_theta, cos_theta;
5192 unsigned int i, j, numvert, numfaces;
5194 TRACE("device %p, innerradius %.8e, outerradius %.8e, sides %u, rings %u, mesh %p, adjacency %p.\n",
5195 device, innerradius, outerradius, sides, rings, mesh, adjacency);
5197 numvert = sides * rings;
5198 numfaces = numvert * 2;
5200 if (!device || innerradius < 0.0f || outerradius < 0.0f || sides < 3 || rings < 3 || !mesh)
5202 WARN("Invalid arguments.\n");
5203 return D3DERR_INVALIDCALL;
5206 if (FAILED(hr = D3DXCreateMeshFVF(numfaces, numvert, D3DXMESH_MANAGED, D3DFVF_XYZ | D3DFVF_NORMAL, device, &torus)))
5207 return hr;
5209 if (FAILED(hr = torus->lpVtbl->LockVertexBuffer(torus, 0, (void **)&vertices)))
5211 torus->lpVtbl->Release(torus);
5212 return hr;
5215 if (FAILED(hr = torus->lpVtbl->LockIndexBuffer(torus, 0, (void **)&faces)))
5217 torus->lpVtbl->UnlockVertexBuffer(torus);
5218 torus->lpVtbl->Release(torus);
5219 return hr;
5222 phi_step = D3DX_PI / sides * 2.0f;
5223 theta_step = D3DX_PI / rings * -2.0f;
5225 theta = 0.0f;
5227 for (i = 0; i < rings; ++i)
5229 phi = 0.0f;
5231 sin_theta = sinf(theta);
5232 cos_theta = cosf(theta);
5234 for (j = 0; j < sides; ++j)
5236 sin_phi = sinf(phi);
5237 cos_phi = cosf(phi);
5239 vertices[i * sides + j].position.x = (innerradius * cos_phi + outerradius) * cos_theta;
5240 vertices[i * sides + j].position.y = (innerradius * cos_phi + outerradius) * sin_theta;
5241 vertices[i * sides + j].position.z = innerradius * sin_phi;
5242 vertices[i * sides + j].normal.x = cos_phi * cos_theta;
5243 vertices[i * sides + j].normal.y = cos_phi * sin_theta;
5244 vertices[i * sides + j].normal.z = sin_phi;
5246 phi += phi_step;
5249 theta += theta_step;
5252 for (i = 0; i < numfaces - sides * 2; ++i)
5254 faces[i][0] = i % 2 ? i / 2 + sides : i / 2;
5255 faces[i][1] = (i / 2 + 1) % sides ? i / 2 + 1 : i / 2 + 1 - sides;
5256 faces[i][2] = (i + 1) % (sides * 2) ? (i + 1) / 2 + sides : (i + 1) / 2;
5259 for (j = 0; i < numfaces; ++i, ++j)
5261 faces[i][0] = i % 2 ? j / 2 : i / 2;
5262 faces[i][1] = (i / 2 + 1) % sides ? i / 2 + 1 : i / 2 + 1 - sides;
5263 faces[i][2] = i == numfaces - 1 ? 0 : (j + 1) / 2;
5266 torus->lpVtbl->UnlockIndexBuffer(torus);
5267 torus->lpVtbl->UnlockVertexBuffer(torus);
5269 if (adjacency)
5271 if (FAILED(hr = D3DXCreateBuffer(numfaces * sizeof(DWORD) * 3, adjacency)))
5273 torus->lpVtbl->Release(torus);
5274 return hr;
5277 if (FAILED(hr = torus->lpVtbl->GenerateAdjacency(torus, 0.0f, (*adjacency)->lpVtbl->GetBufferPointer(*adjacency))))
5279 (*adjacency)->lpVtbl->Release(*adjacency);
5280 torus->lpVtbl->Release(torus);
5281 return hr;
5285 *mesh = torus;
5287 return D3D_OK;
5290 enum pointtype {
5291 POINTTYPE_CURVE = 0,
5292 POINTTYPE_CORNER,
5293 POINTTYPE_CURVE_START,
5294 POINTTYPE_CURVE_END,
5295 POINTTYPE_CURVE_MIDDLE,
5298 struct point2d
5300 D3DXVECTOR2 pos;
5301 enum pointtype corner;
5304 struct dynamic_array
5306 int count, capacity;
5307 void *items;
5310 /* is a dynamic_array */
5311 struct outline
5313 int count, capacity;
5314 struct point2d *items;
5317 /* is a dynamic_array */
5318 struct outline_array
5320 int count, capacity;
5321 struct outline *items;
5324 struct face_array
5326 int count;
5327 face *items;
5330 struct point2d_index
5332 struct outline *outline;
5333 int vertex;
5336 struct point2d_index_array
5338 int count;
5339 struct point2d_index *items;
5342 struct glyphinfo
5344 struct outline_array outlines;
5345 struct face_array faces;
5346 struct point2d_index_array ordered_vertices;
5347 float offset_x;
5350 /* is an dynamic_array */
5351 struct word_array
5353 int count, capacity;
5354 WORD *items;
5357 /* complex polygons are split into monotone polygons, which have
5358 * at most 2 intersections with the vertical sweep line */
5359 struct triangulation
5361 struct word_array vertex_stack;
5362 BOOL last_on_top, merging;
5365 /* is an dynamic_array */
5366 struct triangulation_array
5368 int count, capacity;
5369 struct triangulation *items;
5371 struct glyphinfo *glyph;
5374 static BOOL reserve(struct dynamic_array *array, int count, int itemsize)
5376 if (count > array->capacity) {
5377 void *new_buffer;
5378 int new_capacity;
5379 if (array->items && array->capacity) {
5380 new_capacity = max(array->capacity * 2, count);
5381 new_buffer = HeapReAlloc(GetProcessHeap(), 0, array->items, new_capacity * itemsize);
5382 } else {
5383 new_capacity = max(16, count);
5384 new_buffer = HeapAlloc(GetProcessHeap(), 0, new_capacity * itemsize);
5386 if (!new_buffer)
5387 return FALSE;
5388 array->items = new_buffer;
5389 array->capacity = new_capacity;
5391 return TRUE;
5394 static struct point2d *add_points(struct outline *array, int num)
5396 struct point2d *item;
5398 if (!reserve((struct dynamic_array *)array, array->count + num, sizeof(array->items[0])))
5399 return NULL;
5401 item = &array->items[array->count];
5402 array->count += num;
5403 return item;
5406 static struct outline *add_outline(struct outline_array *array)
5408 struct outline *item;
5410 if (!reserve((struct dynamic_array *)array, array->count + 1, sizeof(array->items[0])))
5411 return NULL;
5413 item = &array->items[array->count++];
5414 ZeroMemory(item, sizeof(*item));
5415 return item;
5418 static inline face *add_face(struct face_array *array)
5420 return &array->items[array->count++];
5423 static struct triangulation *add_triangulation(struct triangulation_array *array)
5425 struct triangulation *item;
5427 if (!reserve((struct dynamic_array *)array, array->count + 1, sizeof(array->items[0])))
5428 return NULL;
5430 item = &array->items[array->count++];
5431 ZeroMemory(item, sizeof(*item));
5432 return item;
5435 static HRESULT add_vertex_index(struct word_array *array, WORD vertex_index)
5437 if (!reserve((struct dynamic_array *)array, array->count + 1, sizeof(array->items[0])))
5438 return E_OUTOFMEMORY;
5440 array->items[array->count++] = vertex_index;
5441 return S_OK;
5444 /* assume fixed point numbers can be converted to float point in place */
5445 C_ASSERT(sizeof(FIXED) == sizeof(float));
5446 C_ASSERT(sizeof(POINTFX) == sizeof(D3DXVECTOR2));
5448 static inline D3DXVECTOR2 *convert_fixed_to_float(POINTFX *pt, int count, unsigned int emsquare)
5450 D3DXVECTOR2 *ret = (D3DXVECTOR2*)pt;
5451 while (count--) {
5452 D3DXVECTOR2 *pt_flt = (D3DXVECTOR2*)pt;
5453 pt_flt->x = (pt->x.value + pt->x.fract / (float)0x10000) / emsquare;
5454 pt_flt->y = (pt->y.value + pt->y.fract / (float)0x10000) / emsquare;
5455 pt++;
5457 return ret;
5460 static HRESULT add_bezier_points(struct outline *outline, const D3DXVECTOR2 *p1,
5461 const D3DXVECTOR2 *p2, const D3DXVECTOR2 *p3,
5462 float max_deviation_sq)
5464 D3DXVECTOR2 split1 = {0, 0}, split2 = {0, 0}, middle, vec;
5465 float deviation_sq;
5467 D3DXVec2Scale(&split1, D3DXVec2Add(&split1, p1, p2), 0.5f);
5468 D3DXVec2Scale(&split2, D3DXVec2Add(&split2, p2, p3), 0.5f);
5469 D3DXVec2Scale(&middle, D3DXVec2Add(&middle, &split1, &split2), 0.5f);
5471 deviation_sq = D3DXVec2LengthSq(D3DXVec2Subtract(&vec, &middle, p2));
5472 if (deviation_sq < max_deviation_sq) {
5473 struct point2d *pt = add_points(outline, 1);
5474 if (!pt) return E_OUTOFMEMORY;
5475 pt->pos = *p2;
5476 pt->corner = POINTTYPE_CURVE;
5477 /* the end point is omitted because the end line merges into the next segment of
5478 * the split bezier curve, and the end of the split bezier curve is added outside
5479 * this recursive function. */
5480 } else {
5481 HRESULT hr = add_bezier_points(outline, p1, &split1, &middle, max_deviation_sq);
5482 if (hr != S_OK) return hr;
5483 hr = add_bezier_points(outline, &middle, &split2, p3, max_deviation_sq);
5484 if (hr != S_OK) return hr;
5487 return S_OK;
5490 static inline BOOL is_direction_similar(D3DXVECTOR2 *dir1, D3DXVECTOR2 *dir2, float cos_theta)
5492 /* dot product = cos(theta) */
5493 return D3DXVec2Dot(dir1, dir2) > cos_theta;
5496 static inline D3DXVECTOR2 *unit_vec2(D3DXVECTOR2 *dir, const D3DXVECTOR2 *pt1, const D3DXVECTOR2 *pt2)
5498 return D3DXVec2Normalize(D3DXVec2Subtract(dir, pt2, pt1), dir);
5501 struct cos_table
5503 float cos_half;
5504 float cos_45;
5505 float cos_90;
5508 static BOOL attempt_line_merge(struct outline *outline,
5509 int pt_index,
5510 const D3DXVECTOR2 *nextpt,
5511 BOOL to_curve,
5512 const struct cos_table *table)
5514 D3DXVECTOR2 curdir, lastdir;
5515 struct point2d *prevpt, *pt;
5516 BOOL ret = FALSE;
5518 pt = &outline->items[pt_index];
5519 pt_index = (pt_index - 1 + outline->count) % outline->count;
5520 prevpt = &outline->items[pt_index];
5522 if (to_curve)
5523 pt->corner = pt->corner != POINTTYPE_CORNER ? POINTTYPE_CURVE_MIDDLE : POINTTYPE_CURVE_START;
5525 if (outline->count < 2)
5526 return FALSE;
5528 /* remove last point if the next line continues the last line */
5529 unit_vec2(&lastdir, &prevpt->pos, &pt->pos);
5530 unit_vec2(&curdir, &pt->pos, nextpt);
5531 if (is_direction_similar(&lastdir, &curdir, table->cos_half))
5533 outline->count--;
5534 if (pt->corner == POINTTYPE_CURVE_END)
5535 prevpt->corner = pt->corner;
5536 if (prevpt->corner == POINTTYPE_CURVE_END && to_curve)
5537 prevpt->corner = POINTTYPE_CURVE_MIDDLE;
5538 pt = prevpt;
5540 ret = TRUE;
5541 if (outline->count < 2)
5542 return ret;
5544 pt_index = (pt_index - 1 + outline->count) % outline->count;
5545 prevpt = &outline->items[pt_index];
5546 unit_vec2(&lastdir, &prevpt->pos, &pt->pos);
5547 unit_vec2(&curdir, &pt->pos, nextpt);
5549 return ret;
5552 static HRESULT create_outline(struct glyphinfo *glyph, void *raw_outline, int datasize,
5553 float max_deviation_sq, unsigned int emsquare,
5554 const struct cos_table *cos_table)
5556 TTPOLYGONHEADER *header = (TTPOLYGONHEADER *)raw_outline;
5558 while ((char *)header < (char *)raw_outline + datasize)
5560 TTPOLYCURVE *curve = (TTPOLYCURVE *)(header + 1);
5561 struct point2d *lastpt, *pt;
5562 D3DXVECTOR2 lastdir;
5563 D3DXVECTOR2 *pt_flt;
5564 int j;
5565 struct outline *outline = add_outline(&glyph->outlines);
5567 if (!outline)
5568 return E_OUTOFMEMORY;
5570 pt = add_points(outline, 1);
5571 if (!pt)
5572 return E_OUTOFMEMORY;
5573 pt_flt = convert_fixed_to_float(&header->pfxStart, 1, emsquare);
5574 pt->pos = *pt_flt;
5575 pt->corner = POINTTYPE_CORNER;
5577 if (header->dwType != TT_POLYGON_TYPE)
5578 FIXME("Unknown header type %d\n", header->dwType);
5580 while ((char *)curve < (char *)header + header->cb)
5582 D3DXVECTOR2 bezier_start = outline->items[outline->count - 1].pos;
5583 BOOL to_curve = curve->wType != TT_PRIM_LINE && curve->cpfx > 1;
5584 unsigned int j2 = 0;
5586 if (!curve->cpfx) {
5587 curve = (TTPOLYCURVE *)&curve->apfx[curve->cpfx];
5588 continue;
5591 pt_flt = convert_fixed_to_float(curve->apfx, curve->cpfx, emsquare);
5593 attempt_line_merge(outline, outline->count - 1, &pt_flt[0], to_curve, cos_table);
5595 if (to_curve)
5597 HRESULT hr;
5598 int count = curve->cpfx;
5600 while (count > 2)
5602 D3DXVECTOR2 bezier_end;
5604 D3DXVec2Scale(&bezier_end, D3DXVec2Add(&bezier_end, &pt_flt[j2], &pt_flt[j2+1]), 0.5f);
5605 hr = add_bezier_points(outline, &bezier_start, &pt_flt[j2], &bezier_end, max_deviation_sq);
5606 if (hr != S_OK)
5607 return hr;
5608 bezier_start = bezier_end;
5609 count--;
5610 j2++;
5612 hr = add_bezier_points(outline, &bezier_start, &pt_flt[j2], &pt_flt[j2+1], max_deviation_sq);
5613 if (hr != S_OK)
5614 return hr;
5616 pt = add_points(outline, 1);
5617 if (!pt)
5618 return E_OUTOFMEMORY;
5619 j2++;
5620 pt->pos = pt_flt[j2];
5621 pt->corner = POINTTYPE_CURVE_END;
5622 } else {
5623 pt = add_points(outline, curve->cpfx);
5624 if (!pt)
5625 return E_OUTOFMEMORY;
5626 for (j2 = 0; j2 < curve->cpfx; j2++)
5628 pt->pos = pt_flt[j2];
5629 pt->corner = POINTTYPE_CORNER;
5630 pt++;
5634 curve = (TTPOLYCURVE *)&curve->apfx[curve->cpfx];
5637 /* remove last point if the next line continues the last line */
5638 if (outline->count >= 3) {
5639 BOOL to_curve;
5641 lastpt = &outline->items[outline->count - 1];
5642 pt = &outline->items[0];
5643 if (pt->pos.x == lastpt->pos.x && pt->pos.y == lastpt->pos.y) {
5644 if (lastpt->corner == POINTTYPE_CURVE_END)
5646 if (pt->corner == POINTTYPE_CURVE_START)
5647 pt->corner = POINTTYPE_CURVE_MIDDLE;
5648 else
5649 pt->corner = POINTTYPE_CURVE_END;
5651 outline->count--;
5652 lastpt = &outline->items[outline->count - 1];
5653 } else {
5654 /* outline closed with a line from end to start point */
5655 attempt_line_merge(outline, outline->count - 1, &pt->pos, FALSE, cos_table);
5657 lastpt = &outline->items[0];
5658 to_curve = lastpt->corner != POINTTYPE_CORNER && lastpt->corner != POINTTYPE_CURVE_END;
5659 if (lastpt->corner == POINTTYPE_CURVE_START)
5660 lastpt->corner = POINTTYPE_CORNER;
5661 pt = &outline->items[1];
5662 if (attempt_line_merge(outline, 0, &pt->pos, to_curve, cos_table))
5663 *lastpt = outline->items[outline->count];
5666 lastpt = &outline->items[outline->count - 1];
5667 pt = &outline->items[0];
5668 unit_vec2(&lastdir, &lastpt->pos, &pt->pos);
5669 for (j = 0; j < outline->count; j++)
5671 D3DXVECTOR2 curdir;
5673 lastpt = pt;
5674 pt = &outline->items[(j + 1) % outline->count];
5675 unit_vec2(&curdir, &lastpt->pos, &pt->pos);
5677 switch (lastpt->corner)
5679 case POINTTYPE_CURVE_START:
5680 case POINTTYPE_CURVE_END:
5681 if (!is_direction_similar(&lastdir, &curdir, cos_table->cos_45))
5682 lastpt->corner = POINTTYPE_CORNER;
5683 break;
5684 case POINTTYPE_CURVE_MIDDLE:
5685 if (!is_direction_similar(&lastdir, &curdir, cos_table->cos_90))
5686 lastpt->corner = POINTTYPE_CORNER;
5687 else
5688 lastpt->corner = POINTTYPE_CURVE;
5689 break;
5690 default:
5691 break;
5693 lastdir = curdir;
5696 header = (TTPOLYGONHEADER *)((char *)header + header->cb);
5698 return S_OK;
5701 /* Get the y-distance from a line to a point */
5702 static float get_line_to_point_y_distance(D3DXVECTOR2 *line_pt1,
5703 D3DXVECTOR2 *line_pt2,
5704 D3DXVECTOR2 *point)
5706 D3DXVECTOR2 line_vec = {0, 0};
5707 float line_pt_dx;
5708 float line_y;
5710 D3DXVec2Subtract(&line_vec, line_pt2, line_pt1);
5711 line_pt_dx = point->x - line_pt1->x;
5712 line_y = line_pt1->y + (line_vec.y * line_pt_dx) / line_vec.x;
5713 return point->y - line_y;
5716 static D3DXVECTOR2 *get_indexed_point(struct point2d_index *pt_idx)
5718 return &pt_idx->outline->items[pt_idx->vertex].pos;
5721 static D3DXVECTOR2 *get_ordered_vertex(struct glyphinfo *glyph, WORD index)
5723 return get_indexed_point(&glyph->ordered_vertices.items[index]);
5726 static void remove_triangulation(struct triangulation_array *array, struct triangulation *item)
5728 HeapFree(GetProcessHeap(), 0, item->vertex_stack.items);
5729 MoveMemory(item, item + 1, (char*)&array->items[array->count] - (char*)(item + 1));
5730 array->count--;
5733 static HRESULT triangulation_add_point(struct triangulation **t_ptr,
5734 struct triangulation_array *triangulations,
5735 WORD vtx_idx,
5736 BOOL to_top)
5738 struct glyphinfo *glyph = triangulations->glyph;
5739 struct triangulation *t = *t_ptr;
5740 HRESULT hr;
5741 face *face;
5742 int f1, f2;
5744 if (t->last_on_top) {
5745 f1 = 1;
5746 f2 = 2;
5747 } else {
5748 f1 = 2;
5749 f2 = 1;
5752 if (t->last_on_top != to_top && t->vertex_stack.count > 1) {
5753 /* consume all vertices on the stack */
5754 WORD last_pt = t->vertex_stack.items[0];
5755 int i;
5756 for (i = 1; i < t->vertex_stack.count; i++)
5758 face = add_face(&glyph->faces);
5759 if (!face) return E_OUTOFMEMORY;
5760 (*face)[0] = vtx_idx;
5761 (*face)[f1] = last_pt;
5762 (*face)[f2] = last_pt = t->vertex_stack.items[i];
5764 t->vertex_stack.items[0] = last_pt;
5765 t->vertex_stack.count = 1;
5766 } else if (t->vertex_stack.count > 1) {
5767 int i = t->vertex_stack.count - 1;
5768 D3DXVECTOR2 *point = get_ordered_vertex(glyph, vtx_idx);
5769 WORD top_idx = t->vertex_stack.items[i--];
5770 D3DXVECTOR2 *top_pt = get_ordered_vertex(glyph, top_idx);
5772 while (i >= 0)
5774 WORD prev_idx = t->vertex_stack.items[i--];
5775 D3DXVECTOR2 *prev_pt = get_ordered_vertex(glyph, prev_idx);
5777 if (prev_pt->x != top_pt->x &&
5778 ((to_top && get_line_to_point_y_distance(prev_pt, top_pt, point) > 0) ||
5779 (!to_top && get_line_to_point_y_distance(prev_pt, top_pt, point) < 0)))
5780 break;
5782 face = add_face(&glyph->faces);
5783 if (!face) return E_OUTOFMEMORY;
5784 (*face)[0] = vtx_idx;
5785 (*face)[f1] = prev_idx;
5786 (*face)[f2] = top_idx;
5788 top_pt = prev_pt;
5789 top_idx = prev_idx;
5790 t->vertex_stack.count--;
5793 t->last_on_top = to_top;
5795 hr = add_vertex_index(&t->vertex_stack, vtx_idx);
5797 if (hr == S_OK && t->merging) {
5798 struct triangulation *t2;
5800 t2 = to_top ? t - 1 : t + 1;
5801 t2->merging = FALSE;
5802 hr = triangulation_add_point(&t2, triangulations, vtx_idx, to_top);
5803 if (hr != S_OK) return hr;
5804 remove_triangulation(triangulations, t);
5805 if (t2 > t)
5806 t2--;
5807 *t_ptr = t2;
5809 return hr;
5812 /* check if the point is next on the outline for either the top or bottom */
5813 static D3DXVECTOR2 *triangulation_get_next_point(struct triangulation *t, struct glyphinfo *glyph, BOOL on_top)
5815 int i = t->last_on_top == on_top ? t->vertex_stack.count - 1 : 0;
5816 WORD idx = t->vertex_stack.items[i];
5817 struct point2d_index *pt_idx = &glyph->ordered_vertices.items[idx];
5818 struct outline *outline = pt_idx->outline;
5820 if (on_top)
5821 i = (pt_idx->vertex + outline->count - 1) % outline->count;
5822 else
5823 i = (pt_idx->vertex + 1) % outline->count;
5825 return &outline->items[i].pos;
5828 static int compare_vertex_indices(const void *a, const void *b)
5830 const struct point2d_index *idx1 = a, *idx2 = b;
5831 const D3DXVECTOR2 *p1 = &idx1->outline->items[idx1->vertex].pos;
5832 const D3DXVECTOR2 *p2 = &idx2->outline->items[idx2->vertex].pos;
5833 float diff = p1->x - p2->x;
5835 if (diff == 0.0f)
5836 diff = p1->y - p2->y;
5838 return diff == 0.0f ? 0 : (diff > 0.0f ? -1 : 1);
5841 static HRESULT triangulate(struct triangulation_array *triangulations)
5843 int sweep_idx;
5844 HRESULT hr;
5845 struct glyphinfo *glyph = triangulations->glyph;
5846 int nb_vertices = 0;
5847 int i;
5848 struct point2d_index *idx_ptr;
5850 for (i = 0; i < glyph->outlines.count; i++)
5851 nb_vertices += glyph->outlines.items[i].count;
5853 glyph->ordered_vertices.items = HeapAlloc(GetProcessHeap(), 0,
5854 nb_vertices * sizeof(*glyph->ordered_vertices.items));
5855 if (!glyph->ordered_vertices.items)
5856 return E_OUTOFMEMORY;
5858 idx_ptr = glyph->ordered_vertices.items;
5859 for (i = 0; i < glyph->outlines.count; i++)
5861 struct outline *outline = &glyph->outlines.items[i];
5862 int j;
5864 idx_ptr->outline = outline;
5865 idx_ptr->vertex = 0;
5866 idx_ptr++;
5867 for (j = outline->count - 1; j > 0; j--)
5869 idx_ptr->outline = outline;
5870 idx_ptr->vertex = j;
5871 idx_ptr++;
5874 glyph->ordered_vertices.count = nb_vertices;
5876 /* Native implementation seems to try to create a triangle fan from
5877 * the first outline point if the glyph only has one outline. */
5878 if (glyph->outlines.count == 1)
5880 struct outline *outline = glyph->outlines.items;
5881 D3DXVECTOR2 *base = &outline->items[0].pos;
5882 D3DXVECTOR2 *last = &outline->items[1].pos;
5883 float ccw = 0;
5885 for (i = 2; i < outline->count; i++)
5887 D3DXVECTOR2 *next = &outline->items[i].pos;
5888 D3DXVECTOR2 v1 = {0.0f, 0.0f};
5889 D3DXVECTOR2 v2 = {0.0f, 0.0f};
5891 D3DXVec2Subtract(&v1, base, last);
5892 D3DXVec2Subtract(&v2, last, next);
5893 ccw = D3DXVec2CCW(&v1, &v2);
5894 if (ccw > 0.0f)
5895 break;
5897 last = next;
5899 if (ccw <= 0)
5901 glyph->faces.items = HeapAlloc(GetProcessHeap(), 0,
5902 (outline->count - 2) * sizeof(glyph->faces.items[0]));
5903 if (!glyph->faces.items)
5904 return E_OUTOFMEMORY;
5906 glyph->faces.count = outline->count - 2;
5907 for (i = 0; i < glyph->faces.count; i++)
5909 glyph->faces.items[i][0] = 0;
5910 glyph->faces.items[i][1] = i + 1;
5911 glyph->faces.items[i][2] = i + 2;
5913 return S_OK;
5917 /* Perform 2D polygon triangulation for complex glyphs.
5918 * Triangulation is performed using a sweep line concept, from right to left,
5919 * by processing vertices in sorted order. Complex polygons are split into
5920 * monotone polygons which are triangulated separately. */
5921 /* FIXME: The order of the faces is not consistent with the native implementation. */
5923 /* Reserve space for maximum possible faces from triangulation.
5924 * # faces for outer outlines = outline->count - 2
5925 * # faces for inner outlines = outline->count + 2
5926 * There must be at least 1 outer outline. */
5927 glyph->faces.items = HeapAlloc(GetProcessHeap(), 0,
5928 (nb_vertices + glyph->outlines.count * 2 - 4) * sizeof(glyph->faces.items[0]));
5929 if (!glyph->faces.items)
5930 return E_OUTOFMEMORY;
5932 qsort(glyph->ordered_vertices.items, nb_vertices,
5933 sizeof(glyph->ordered_vertices.items[0]), compare_vertex_indices);
5934 for (sweep_idx = 0; sweep_idx < glyph->ordered_vertices.count; sweep_idx++)
5936 int start = 0;
5937 int end = triangulations->count;
5939 while (start < end)
5941 D3DXVECTOR2 *sweep_vtx = get_ordered_vertex(glyph, sweep_idx);
5942 int current = (start + end) / 2;
5943 struct triangulation *t = &triangulations->items[current];
5944 BOOL on_top_outline = FALSE;
5945 D3DXVECTOR2 *top_next, *bottom_next;
5946 WORD top_idx, bottom_idx;
5948 if (t->merging && t->last_on_top)
5949 top_next = triangulation_get_next_point(t + 1, glyph, TRUE);
5950 else
5951 top_next = triangulation_get_next_point(t, glyph, TRUE);
5952 if (sweep_vtx == top_next)
5954 if (t->merging && t->last_on_top)
5955 t++;
5956 hr = triangulation_add_point(&t, triangulations, sweep_idx, TRUE);
5957 if (hr != S_OK) return hr;
5959 if (t + 1 < &triangulations->items[triangulations->count] &&
5960 triangulation_get_next_point(t + 1, glyph, FALSE) == sweep_vtx)
5962 /* point also on bottom outline of higher triangulation */
5963 struct triangulation *t2 = t + 1;
5964 hr = triangulation_add_point(&t2, triangulations, sweep_idx, FALSE);
5965 if (hr != S_OK) return hr;
5967 t->merging = TRUE;
5968 t2->merging = TRUE;
5970 on_top_outline = TRUE;
5973 if (t->merging && !t->last_on_top)
5974 bottom_next = triangulation_get_next_point(t - 1, glyph, FALSE);
5975 else
5976 bottom_next = triangulation_get_next_point(t, glyph, FALSE);
5977 if (sweep_vtx == bottom_next)
5979 if (t->merging && !t->last_on_top)
5980 t--;
5981 if (on_top_outline) {
5982 /* outline finished */
5983 remove_triangulation(triangulations, t);
5984 break;
5987 hr = triangulation_add_point(&t, triangulations, sweep_idx, FALSE);
5988 if (hr != S_OK) return hr;
5990 if (t > triangulations->items &&
5991 triangulation_get_next_point(t - 1, glyph, TRUE) == sweep_vtx)
5993 struct triangulation *t2 = t - 1;
5994 /* point also on top outline of lower triangulation */
5995 hr = triangulation_add_point(&t2, triangulations, sweep_idx, TRUE);
5996 if (hr != S_OK) return hr;
5997 t = t2 + 1; /* t may be invalidated by triangulation merging */
5999 t->merging = TRUE;
6000 t2->merging = TRUE;
6002 break;
6004 if (on_top_outline)
6005 break;
6007 if (t->last_on_top) {
6008 top_idx = t->vertex_stack.items[t->vertex_stack.count - 1];
6009 bottom_idx = t->vertex_stack.items[0];
6010 } else {
6011 top_idx = t->vertex_stack.items[0];
6012 bottom_idx = t->vertex_stack.items[t->vertex_stack.count - 1];
6015 /* check if the point is inside or outside this polygon */
6016 if (get_line_to_point_y_distance(get_ordered_vertex(glyph, top_idx),
6017 top_next, sweep_vtx) > 0)
6018 { /* above */
6019 start = current + 1;
6020 } else if (get_line_to_point_y_distance(get_ordered_vertex(glyph, bottom_idx),
6021 bottom_next, sweep_vtx) < 0)
6022 { /* below */
6023 end = current;
6024 } else if (t->merging) {
6025 /* inside, so cancel merging */
6026 struct triangulation *t2 = t->last_on_top ? t + 1 : t - 1;
6027 t->merging = FALSE;
6028 t2->merging = FALSE;
6029 hr = triangulation_add_point(&t, triangulations, sweep_idx, t->last_on_top);
6030 if (hr != S_OK) return hr;
6031 hr = triangulation_add_point(&t2, triangulations, sweep_idx, t2->last_on_top);
6032 if (hr != S_OK) return hr;
6033 break;
6034 } else {
6035 /* inside, so split polygon into two monotone parts */
6036 struct triangulation *t2 = add_triangulation(triangulations);
6037 if (!t2) return E_OUTOFMEMORY;
6038 MoveMemory(t + 1, t, (char*)(t2 + 1) - (char*)t);
6039 if (t->last_on_top) {
6040 t2 = t + 1;
6041 } else {
6042 t2 = t;
6043 t++;
6046 ZeroMemory(&t2->vertex_stack, sizeof(t2->vertex_stack));
6047 hr = add_vertex_index(&t2->vertex_stack, t->vertex_stack.items[t->vertex_stack.count - 1]);
6048 if (hr != S_OK) return hr;
6049 hr = add_vertex_index(&t2->vertex_stack, sweep_idx);
6050 if (hr != S_OK) return hr;
6051 t2->last_on_top = !t->last_on_top;
6053 hr = triangulation_add_point(&t, triangulations, sweep_idx, t->last_on_top);
6054 if (hr != S_OK) return hr;
6055 break;
6058 if (start >= end)
6060 struct triangulation *t;
6061 struct triangulation *t2 = add_triangulation(triangulations);
6062 if (!t2) return E_OUTOFMEMORY;
6063 t = &triangulations->items[start];
6064 MoveMemory(t + 1, t, (char*)(t2 + 1) - (char*)t);
6065 ZeroMemory(t, sizeof(*t));
6066 hr = add_vertex_index(&t->vertex_stack, sweep_idx);
6067 if (hr != S_OK) return hr;
6070 return S_OK;
6073 HRESULT WINAPI D3DXCreateTextW(struct IDirect3DDevice9 *device, HDC hdc, const WCHAR *text, float deviation,
6074 float extrusion, struct ID3DXMesh **mesh_ptr, struct ID3DXBuffer **adjacency, GLYPHMETRICSFLOAT *glyphmetrics)
6076 HRESULT hr;
6077 ID3DXMesh *mesh = NULL;
6078 DWORD nb_vertices, nb_faces;
6079 DWORD nb_front_faces, nb_corners, nb_outline_points;
6080 struct vertex *vertices = NULL;
6081 face *faces = NULL;
6082 int textlen = 0;
6083 float offset_x;
6084 LOGFONTW lf;
6085 OUTLINETEXTMETRICW otm;
6086 HFONT font = NULL, oldfont = NULL;
6087 const MAT2 identity = {{0, 1}, {0, 0}, {0, 0}, {0, 1}};
6088 void *raw_outline = NULL;
6089 int bufsize = 0;
6090 struct glyphinfo *glyphs = NULL;
6091 GLYPHMETRICS gm;
6092 struct triangulation_array triangulations = {0, 0, NULL};
6093 int i;
6094 struct vertex *vertex_ptr;
6095 face *face_ptr;
6096 float max_deviation_sq;
6097 const struct cos_table cos_table = {
6098 cosf(D3DXToRadian(0.5f)),
6099 cosf(D3DXToRadian(45.0f)),
6100 cosf(D3DXToRadian(90.0f)),
6102 int f1, f2;
6104 TRACE("(%p, %p, %s, %f, %f, %p, %p, %p)\n", device, hdc,
6105 debugstr_w(text), deviation, extrusion, mesh_ptr, adjacency, glyphmetrics);
6107 if (!device || !hdc || !text || !*text || deviation < 0.0f || extrusion < 0.0f || !mesh_ptr)
6108 return D3DERR_INVALIDCALL;
6110 if (adjacency)
6112 FIXME("Case of adjacency != NULL not implemented.\n");
6113 return E_NOTIMPL;
6116 if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(lf), &lf) ||
6117 !GetOutlineTextMetricsW(hdc, sizeof(otm), &otm))
6119 return D3DERR_INVALIDCALL;
6122 if (deviation == 0.0f)
6123 deviation = 1.0f / otm.otmEMSquare;
6124 max_deviation_sq = deviation * deviation;
6126 lf.lfHeight = otm.otmEMSquare;
6127 lf.lfWidth = 0;
6128 font = CreateFontIndirectW(&lf);
6129 if (!font) {
6130 hr = E_OUTOFMEMORY;
6131 goto error;
6133 oldfont = SelectObject(hdc, font);
6135 textlen = strlenW(text);
6136 for (i = 0; i < textlen; i++)
6138 int datasize = GetGlyphOutlineW(hdc, text[i], GGO_NATIVE, &gm, 0, NULL, &identity);
6139 if (datasize < 0)
6140 return D3DERR_INVALIDCALL;
6141 if (bufsize < datasize)
6142 bufsize = datasize;
6144 if (!bufsize) { /* e.g. text == " " */
6145 hr = D3DERR_INVALIDCALL;
6146 goto error;
6149 glyphs = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, textlen * sizeof(*glyphs));
6150 raw_outline = HeapAlloc(GetProcessHeap(), 0, bufsize);
6151 if (!glyphs || !raw_outline) {
6152 hr = E_OUTOFMEMORY;
6153 goto error;
6156 offset_x = 0.0f;
6157 for (i = 0; i < textlen; i++)
6159 /* get outline points from data returned from GetGlyphOutline */
6160 int datasize;
6162 glyphs[i].offset_x = offset_x;
6164 datasize = GetGlyphOutlineW(hdc, text[i], GGO_NATIVE, &gm, bufsize, raw_outline, &identity);
6165 hr = create_outline(&glyphs[i], raw_outline, datasize,
6166 max_deviation_sq, otm.otmEMSquare, &cos_table);
6167 if (hr != S_OK) goto error;
6169 triangulations.glyph = &glyphs[i];
6170 hr = triangulate(&triangulations);
6171 if (hr != S_OK) goto error;
6172 if (triangulations.count) {
6173 ERR("%d incomplete triangulations of glyph (%u).\n", triangulations.count, text[i]);
6174 triangulations.count = 0;
6177 if (glyphmetrics)
6179 glyphmetrics[i].gmfBlackBoxX = gm.gmBlackBoxX / (float)otm.otmEMSquare;
6180 glyphmetrics[i].gmfBlackBoxY = gm.gmBlackBoxY / (float)otm.otmEMSquare;
6181 glyphmetrics[i].gmfptGlyphOrigin.x = gm.gmptGlyphOrigin.x / (float)otm.otmEMSquare;
6182 glyphmetrics[i].gmfptGlyphOrigin.y = gm.gmptGlyphOrigin.y / (float)otm.otmEMSquare;
6183 glyphmetrics[i].gmfCellIncX = gm.gmCellIncX / (float)otm.otmEMSquare;
6184 glyphmetrics[i].gmfCellIncY = gm.gmCellIncY / (float)otm.otmEMSquare;
6186 offset_x += gm.gmCellIncX / (float)otm.otmEMSquare;
6189 /* corner points need an extra vertex for the different side faces normals */
6190 nb_corners = 0;
6191 nb_outline_points = 0;
6192 nb_front_faces = 0;
6193 for (i = 0; i < textlen; i++)
6195 int j;
6196 nb_outline_points += glyphs[i].ordered_vertices.count;
6197 nb_front_faces += glyphs[i].faces.count;
6198 for (j = 0; j < glyphs[i].outlines.count; j++)
6200 int k;
6201 struct outline *outline = &glyphs[i].outlines.items[j];
6202 nb_corners++; /* first outline point always repeated as a corner */
6203 for (k = 1; k < outline->count; k++)
6204 if (outline->items[k].corner)
6205 nb_corners++;
6209 nb_vertices = (nb_outline_points + nb_corners) * 2 + nb_outline_points * 2;
6210 nb_faces = nb_outline_points * 2 + nb_front_faces * 2;
6213 hr = D3DXCreateMeshFVF(nb_faces, nb_vertices, D3DXMESH_MANAGED,
6214 D3DFVF_XYZ | D3DFVF_NORMAL, device, &mesh);
6215 if (FAILED(hr))
6216 goto error;
6218 if (FAILED(hr = mesh->lpVtbl->LockVertexBuffer(mesh, 0, (void **)&vertices)))
6219 goto error;
6221 if (FAILED(hr = mesh->lpVtbl->LockIndexBuffer(mesh, 0, (void **)&faces)))
6222 goto error;
6224 /* convert 2D vertices and faces into 3D mesh */
6225 vertex_ptr = vertices;
6226 face_ptr = faces;
6227 if (extrusion == 0.0f) {
6228 f1 = 1;
6229 f2 = 2;
6230 } else {
6231 f1 = 2;
6232 f2 = 1;
6234 for (i = 0; i < textlen; i++)
6236 int j;
6237 int count;
6238 struct vertex *back_vertices;
6239 face *back_faces;
6241 /* side vertices and faces */
6242 for (j = 0; j < glyphs[i].outlines.count; j++)
6244 struct vertex *outline_vertices = vertex_ptr;
6245 struct outline *outline = &glyphs[i].outlines.items[j];
6246 int k;
6247 struct point2d *prevpt = &outline->items[outline->count - 1];
6248 struct point2d *pt = &outline->items[0];
6250 for (k = 1; k <= outline->count; k++)
6252 struct vertex vtx;
6253 struct point2d *nextpt = &outline->items[k % outline->count];
6254 WORD vtx_idx = vertex_ptr - vertices;
6255 D3DXVECTOR2 vec;
6257 if (pt->corner == POINTTYPE_CURVE_START)
6258 D3DXVec2Subtract(&vec, &pt->pos, &prevpt->pos);
6259 else if (pt->corner)
6260 D3DXVec2Subtract(&vec, &nextpt->pos, &pt->pos);
6261 else
6262 D3DXVec2Subtract(&vec, &nextpt->pos, &prevpt->pos);
6263 D3DXVec2Normalize(&vec, &vec);
6264 vtx.normal.x = -vec.y;
6265 vtx.normal.y = vec.x;
6266 vtx.normal.z = 0;
6268 vtx.position.x = pt->pos.x + glyphs[i].offset_x;
6269 vtx.position.y = pt->pos.y;
6270 vtx.position.z = 0;
6271 *vertex_ptr++ = vtx;
6273 vtx.position.z = -extrusion;
6274 *vertex_ptr++ = vtx;
6276 vtx.position.x = nextpt->pos.x + glyphs[i].offset_x;
6277 vtx.position.y = nextpt->pos.y;
6278 if (pt->corner && nextpt->corner && nextpt->corner != POINTTYPE_CURVE_END) {
6279 vtx.position.z = -extrusion;
6280 *vertex_ptr++ = vtx;
6281 vtx.position.z = 0;
6282 *vertex_ptr++ = vtx;
6284 (*face_ptr)[0] = vtx_idx;
6285 (*face_ptr)[1] = vtx_idx + 2;
6286 (*face_ptr)[2] = vtx_idx + 1;
6287 face_ptr++;
6289 (*face_ptr)[0] = vtx_idx;
6290 (*face_ptr)[1] = vtx_idx + 3;
6291 (*face_ptr)[2] = vtx_idx + 2;
6292 face_ptr++;
6293 } else {
6294 if (nextpt->corner) {
6295 if (nextpt->corner == POINTTYPE_CURVE_END) {
6296 D3DXVECTOR2 *nextpt2 = &outline->items[(k + 1) % outline->count].pos;
6297 D3DXVec2Subtract(&vec, nextpt2, &nextpt->pos);
6298 } else {
6299 D3DXVec2Subtract(&vec, &nextpt->pos, &pt->pos);
6301 D3DXVec2Normalize(&vec, &vec);
6302 vtx.normal.x = -vec.y;
6303 vtx.normal.y = vec.x;
6305 vtx.position.z = 0;
6306 *vertex_ptr++ = vtx;
6307 vtx.position.z = -extrusion;
6308 *vertex_ptr++ = vtx;
6311 (*face_ptr)[0] = vtx_idx;
6312 (*face_ptr)[1] = vtx_idx + 3;
6313 (*face_ptr)[2] = vtx_idx + 1;
6314 face_ptr++;
6316 (*face_ptr)[0] = vtx_idx;
6317 (*face_ptr)[1] = vtx_idx + 2;
6318 (*face_ptr)[2] = vtx_idx + 3;
6319 face_ptr++;
6322 prevpt = pt;
6323 pt = nextpt;
6325 if (!pt->corner) {
6326 *vertex_ptr++ = *outline_vertices++;
6327 *vertex_ptr++ = *outline_vertices++;
6331 /* back vertices and faces */
6332 back_faces = face_ptr;
6333 back_vertices = vertex_ptr;
6334 for (j = 0; j < glyphs[i].ordered_vertices.count; j++)
6336 D3DXVECTOR2 *pt = get_ordered_vertex(&glyphs[i], j);
6337 vertex_ptr->position.x = pt->x + glyphs[i].offset_x;
6338 vertex_ptr->position.y = pt->y;
6339 vertex_ptr->position.z = 0;
6340 vertex_ptr->normal.x = 0;
6341 vertex_ptr->normal.y = 0;
6342 vertex_ptr->normal.z = 1;
6343 vertex_ptr++;
6345 count = back_vertices - vertices;
6346 for (j = 0; j < glyphs[i].faces.count; j++)
6348 face *f = &glyphs[i].faces.items[j];
6349 (*face_ptr)[0] = (*f)[0] + count;
6350 (*face_ptr)[1] = (*f)[1] + count;
6351 (*face_ptr)[2] = (*f)[2] + count;
6352 face_ptr++;
6355 /* front vertices and faces */
6356 j = count = vertex_ptr - back_vertices;
6357 while (j--)
6359 vertex_ptr->position.x = back_vertices->position.x;
6360 vertex_ptr->position.y = back_vertices->position.y;
6361 vertex_ptr->position.z = -extrusion;
6362 vertex_ptr->normal.x = 0;
6363 vertex_ptr->normal.y = 0;
6364 vertex_ptr->normal.z = extrusion == 0.0f ? 1.0f : -1.0f;
6365 vertex_ptr++;
6366 back_vertices++;
6368 j = face_ptr - back_faces;
6369 while (j--)
6371 (*face_ptr)[0] = (*back_faces)[0] + count;
6372 (*face_ptr)[1] = (*back_faces)[f1] + count;
6373 (*face_ptr)[2] = (*back_faces)[f2] + count;
6374 face_ptr++;
6375 back_faces++;
6379 *mesh_ptr = mesh;
6380 hr = D3D_OK;
6381 error:
6382 if (mesh) {
6383 if (faces) mesh->lpVtbl->UnlockIndexBuffer(mesh);
6384 if (vertices) mesh->lpVtbl->UnlockVertexBuffer(mesh);
6385 if (hr != D3D_OK) mesh->lpVtbl->Release(mesh);
6387 if (glyphs) {
6388 for (i = 0; i < textlen; i++)
6390 int j;
6391 for (j = 0; j < glyphs[i].outlines.count; j++)
6392 HeapFree(GetProcessHeap(), 0, glyphs[i].outlines.items[j].items);
6393 HeapFree(GetProcessHeap(), 0, glyphs[i].outlines.items);
6394 HeapFree(GetProcessHeap(), 0, glyphs[i].faces.items);
6395 HeapFree(GetProcessHeap(), 0, glyphs[i].ordered_vertices.items);
6397 HeapFree(GetProcessHeap(), 0, glyphs);
6399 if (triangulations.items) {
6400 int i;
6401 for (i = 0; i < triangulations.count; i++)
6402 HeapFree(GetProcessHeap(), 0, triangulations.items[i].vertex_stack.items);
6403 HeapFree(GetProcessHeap(), 0, triangulations.items);
6405 HeapFree(GetProcessHeap(), 0, raw_outline);
6406 if (oldfont) SelectObject(hdc, oldfont);
6407 if (font) DeleteObject(font);
6409 return hr;
6412 HRESULT WINAPI D3DXValidMesh(ID3DXMesh *mesh, const DWORD *adjacency, ID3DXBuffer **errors_and_warnings)
6414 FIXME("(%p, %p, %p): stub\n", mesh, adjacency, *errors_and_warnings);
6416 return E_NOTIMPL;
6419 static BOOL weld_float1(void *to, void *from, FLOAT epsilon)
6421 FLOAT *v1 = to;
6422 FLOAT *v2 = from;
6424 if (fabsf(*v1 - *v2) <= epsilon)
6426 *v1 = *v2;
6428 return TRUE;
6431 return FALSE;
6434 static BOOL weld_float2(void *to, void *from, FLOAT epsilon)
6436 D3DXVECTOR2 *v1 = to;
6437 D3DXVECTOR2 *v2 = from;
6438 FLOAT diff_x = fabsf(v1->x - v2->x);
6439 FLOAT diff_y = fabsf(v1->y - v2->y);
6440 FLOAT max_abs_diff = max(diff_x, diff_y);
6442 if (max_abs_diff <= epsilon)
6444 memcpy(to, from, sizeof(D3DXVECTOR2));
6446 return TRUE;
6449 return FALSE;
6452 static BOOL weld_float3(void *to, void *from, FLOAT epsilon)
6454 D3DXVECTOR3 *v1 = to;
6455 D3DXVECTOR3 *v2 = from;
6456 FLOAT diff_x = fabsf(v1->x - v2->x);
6457 FLOAT diff_y = fabsf(v1->y - v2->y);
6458 FLOAT diff_z = fabsf(v1->z - v2->z);
6459 FLOAT max_abs_diff = max(diff_x, diff_y);
6460 max_abs_diff = max(diff_z, max_abs_diff);
6462 if (max_abs_diff <= epsilon)
6464 memcpy(to, from, sizeof(D3DXVECTOR3));
6466 return TRUE;
6469 return FALSE;
6472 static BOOL weld_float4(void *to, void *from, FLOAT epsilon)
6474 D3DXVECTOR4 *v1 = to;
6475 D3DXVECTOR4 *v2 = from;
6476 FLOAT diff_x = fabsf(v1->x - v2->x);
6477 FLOAT diff_y = fabsf(v1->y - v2->y);
6478 FLOAT diff_z = fabsf(v1->z - v2->z);
6479 FLOAT diff_w = fabsf(v1->w - v2->w);
6480 FLOAT max_abs_diff = max(diff_x, diff_y);
6481 max_abs_diff = max(diff_z, max_abs_diff);
6482 max_abs_diff = max(diff_w, max_abs_diff);
6484 if (max_abs_diff <= epsilon)
6486 memcpy(to, from, sizeof(D3DXVECTOR4));
6488 return TRUE;
6491 return FALSE;
6494 static BOOL weld_ubyte4(void *to, void *from, FLOAT epsilon)
6496 BYTE *b1 = to;
6497 BYTE *b2 = from;
6498 BYTE truncated_epsilon = (BYTE)epsilon;
6499 BYTE diff_x = b1[0] > b2[0] ? b1[0] - b2[0] : b2[0] - b1[0];
6500 BYTE diff_y = b1[1] > b2[1] ? b1[1] - b2[1] : b2[1] - b1[1];
6501 BYTE diff_z = b1[2] > b2[2] ? b1[2] - b2[2] : b2[2] - b1[2];
6502 BYTE diff_w = b1[3] > b2[3] ? b1[3] - b2[3] : b2[3] - b1[3];
6503 BYTE max_diff = max(diff_x, diff_y);
6504 max_diff = max(diff_z, max_diff);
6505 max_diff = max(diff_w, max_diff);
6507 if (max_diff <= truncated_epsilon)
6509 memcpy(to, from, 4 * sizeof(BYTE));
6511 return TRUE;
6514 return FALSE;
6517 static BOOL weld_ubyte4n(void *to, void *from, FLOAT epsilon)
6519 return weld_ubyte4(to, from, epsilon * UCHAR_MAX);
6522 static BOOL weld_d3dcolor(void *to, void *from, FLOAT epsilon)
6524 return weld_ubyte4n(to, from, epsilon);
6527 static BOOL weld_short2(void *to, void *from, FLOAT epsilon)
6529 SHORT *s1 = to;
6530 SHORT *s2 = from;
6531 SHORT truncated_epsilon = (SHORT)epsilon;
6532 SHORT diff_x = abs(s1[0] - s2[0]);
6533 SHORT diff_y = abs(s1[1] - s2[1]);
6534 SHORT max_abs_diff = max(diff_x, diff_y);
6536 if (max_abs_diff <= truncated_epsilon)
6538 memcpy(to, from, 2 * sizeof(SHORT));
6540 return TRUE;
6543 return FALSE;
6546 static BOOL weld_short2n(void *to, void *from, FLOAT epsilon)
6548 return weld_short2(to, from, epsilon * SHRT_MAX);
6551 static BOOL weld_short4(void *to, void *from, FLOAT epsilon)
6553 SHORT *s1 = to;
6554 SHORT *s2 = from;
6555 SHORT truncated_epsilon = (SHORT)epsilon;
6556 SHORT diff_x = abs(s1[0] - s2[0]);
6557 SHORT diff_y = abs(s1[1] - s2[1]);
6558 SHORT diff_z = abs(s1[2] - s2[2]);
6559 SHORT diff_w = abs(s1[3] - s2[3]);
6560 SHORT max_abs_diff = max(diff_x, diff_y);
6561 max_abs_diff = max(diff_z, max_abs_diff);
6562 max_abs_diff = max(diff_w, max_abs_diff);
6564 if (max_abs_diff <= truncated_epsilon)
6566 memcpy(to, from, 4 * sizeof(SHORT));
6568 return TRUE;
6571 return FALSE;
6574 static BOOL weld_short4n(void *to, void *from, FLOAT epsilon)
6576 return weld_short4(to, from, epsilon * SHRT_MAX);
6579 static BOOL weld_ushort2n(void *to, void *from, FLOAT epsilon)
6581 USHORT *s1 = to;
6582 USHORT *s2 = from;
6583 USHORT scaled_epsilon = (USHORT)(epsilon * USHRT_MAX);
6584 USHORT diff_x = s1[0] > s2[0] ? s1[0] - s2[0] : s2[0] - s1[0];
6585 USHORT diff_y = s1[1] > s2[1] ? s1[1] - s2[1] : s2[1] - s1[1];
6586 USHORT max_diff = max(diff_x, diff_y);
6588 if (max_diff <= scaled_epsilon)
6590 memcpy(to, from, 2 * sizeof(USHORT));
6592 return TRUE;
6595 return FALSE;
6598 static BOOL weld_ushort4n(void *to, void *from, FLOAT epsilon)
6600 USHORT *s1 = to;
6601 USHORT *s2 = from;
6602 USHORT scaled_epsilon = (USHORT)(epsilon * USHRT_MAX);
6603 USHORT diff_x = s1[0] > s2[0] ? s1[0] - s2[0] : s2[0] - s1[0];
6604 USHORT diff_y = s1[1] > s2[1] ? s1[1] - s2[1] : s2[1] - s1[1];
6605 USHORT diff_z = s1[2] > s2[2] ? s1[2] - s2[2] : s2[2] - s1[2];
6606 USHORT diff_w = s1[3] > s2[3] ? s1[3] - s2[3] : s2[3] - s1[3];
6607 USHORT max_diff = max(diff_x, diff_y);
6608 max_diff = max(diff_z, max_diff);
6609 max_diff = max(diff_w, max_diff);
6611 if (max_diff <= scaled_epsilon)
6613 memcpy(to, from, 4 * sizeof(USHORT));
6615 return TRUE;
6618 return FALSE;
6621 struct udec3
6623 UINT x;
6624 UINT y;
6625 UINT z;
6626 UINT w;
6629 static struct udec3 dword_to_udec3(DWORD d)
6631 struct udec3 v;
6633 v.x = d & 0x3ff;
6634 v.y = (d & 0xffc00) >> 10;
6635 v.z = (d & 0x3ff00000) >> 20;
6636 v.w = (d & 0xc0000000) >> 30;
6638 return v;
6641 static BOOL weld_udec3(void *to, void *from, FLOAT epsilon)
6643 DWORD *d1 = to;
6644 DWORD *d2 = from;
6645 struct udec3 v1 = dword_to_udec3(*d1);
6646 struct udec3 v2 = dword_to_udec3(*d2);
6647 UINT truncated_epsilon = (UINT)epsilon;
6648 UINT diff_x = v1.x > v2.x ? v1.x - v2.x : v2.x - v1.x;
6649 UINT diff_y = v1.y > v2.y ? v1.y - v2.y : v2.y - v1.y;
6650 UINT diff_z = v1.z > v2.z ? v1.z - v2.z : v2.z - v1.z;
6651 UINT diff_w = v1.w > v2.w ? v1.w - v2.w : v2.w - v1.w;
6652 UINT max_diff = max(diff_x, diff_y);
6653 max_diff = max(diff_z, max_diff);
6654 max_diff = max(diff_w, max_diff);
6656 if (max_diff <= truncated_epsilon)
6658 memcpy(to, from, sizeof(DWORD));
6660 return TRUE;
6663 return FALSE;
6666 struct dec3n
6668 INT x;
6669 INT y;
6670 INT z;
6671 INT w;
6674 static struct dec3n dword_to_dec3n(DWORD d)
6676 struct dec3n v;
6678 v.x = d & 0x3ff;
6679 v.y = (d & 0xffc00) >> 10;
6680 v.z = (d & 0x3ff00000) >> 20;
6681 v.w = (d & 0xc0000000) >> 30;
6683 return v;
6686 static BOOL weld_dec3n(void *to, void *from, FLOAT epsilon)
6688 const UINT MAX_DEC3N = 511;
6689 DWORD *d1 = to;
6690 DWORD *d2 = from;
6691 struct dec3n v1 = dword_to_dec3n(*d1);
6692 struct dec3n v2 = dword_to_dec3n(*d2);
6693 INT scaled_epsilon = (INT)(epsilon * MAX_DEC3N);
6694 INT diff_x = abs(v1.x - v2.x);
6695 INT diff_y = abs(v1.y - v2.y);
6696 INT diff_z = abs(v1.z - v2.z);
6697 INT diff_w = abs(v1.w - v2.w);
6698 INT max_abs_diff = max(diff_x, diff_y);
6699 max_abs_diff = max(diff_z, max_abs_diff);
6700 max_abs_diff = max(diff_w, max_abs_diff);
6702 if (max_abs_diff <= scaled_epsilon)
6704 memcpy(to, from, sizeof(DWORD));
6706 return TRUE;
6709 return FALSE;
6712 static BOOL weld_float16_2(void *to, void *from, FLOAT epsilon)
6714 D3DXFLOAT16 *v1_float16 = to;
6715 D3DXFLOAT16 *v2_float16 = from;
6716 FLOAT diff_x;
6717 FLOAT diff_y;
6718 FLOAT max_abs_diff;
6719 #define NUM_ELEM 2
6720 FLOAT v1[NUM_ELEM];
6721 FLOAT v2[NUM_ELEM];
6723 D3DXFloat16To32Array(v1, v1_float16, NUM_ELEM);
6724 D3DXFloat16To32Array(v2, v2_float16, NUM_ELEM);
6726 diff_x = fabsf(v1[0] - v2[0]);
6727 diff_y = fabsf(v1[1] - v2[1]);
6728 max_abs_diff = max(diff_x, diff_y);
6730 if (max_abs_diff <= epsilon)
6732 memcpy(to, from, NUM_ELEM * sizeof(D3DXFLOAT16));
6734 return TRUE;
6737 return FALSE;
6738 #undef NUM_ELEM
6741 static BOOL weld_float16_4(void *to, void *from, FLOAT epsilon)
6743 D3DXFLOAT16 *v1_float16 = to;
6744 D3DXFLOAT16 *v2_float16 = from;
6745 FLOAT diff_x;
6746 FLOAT diff_y;
6747 FLOAT diff_z;
6748 FLOAT diff_w;
6749 FLOAT max_abs_diff;
6750 #define NUM_ELEM 4
6751 FLOAT v1[NUM_ELEM];
6752 FLOAT v2[NUM_ELEM];
6754 D3DXFloat16To32Array(v1, v1_float16, NUM_ELEM);
6755 D3DXFloat16To32Array(v2, v2_float16, NUM_ELEM);
6757 diff_x = fabsf(v1[0] - v2[0]);
6758 diff_y = fabsf(v1[1] - v2[1]);
6759 diff_z = fabsf(v1[2] - v2[2]);
6760 diff_w = fabsf(v1[3] - v2[3]);
6761 max_abs_diff = max(diff_x, diff_y);
6762 max_abs_diff = max(diff_z, max_abs_diff);
6763 max_abs_diff = max(diff_w, max_abs_diff);
6765 if (max_abs_diff <= epsilon)
6767 memcpy(to, from, NUM_ELEM * sizeof(D3DXFLOAT16));
6769 return TRUE;
6772 return FALSE;
6773 #undef NUM_ELEM
6776 /* Sets the vertex components to the same value if they are within epsilon. */
6777 static BOOL weld_component(void *to, void *from, D3DDECLTYPE type, FLOAT epsilon)
6779 /* Quiet FIXMEs as this is in a loop with potentially thousand of iterations. */
6780 BOOL fixme_once_unused = FALSE;
6781 BOOL fixme_once_unknown = FALSE;
6783 switch (type)
6785 case D3DDECLTYPE_FLOAT1:
6786 return weld_float1(to, from, epsilon);
6788 case D3DDECLTYPE_FLOAT2:
6789 return weld_float2(to, from, epsilon);
6791 case D3DDECLTYPE_FLOAT3:
6792 return weld_float3(to, from, epsilon);
6794 case D3DDECLTYPE_FLOAT4:
6795 return weld_float4(to, from, epsilon);
6797 case D3DDECLTYPE_D3DCOLOR:
6798 return weld_d3dcolor(to, from, epsilon);
6800 case D3DDECLTYPE_UBYTE4:
6801 return weld_ubyte4(to, from, epsilon);
6803 case D3DDECLTYPE_SHORT2:
6804 return weld_short2(to, from, epsilon);
6806 case D3DDECLTYPE_SHORT4:
6807 return weld_short4(to, from, epsilon);
6809 case D3DDECLTYPE_UBYTE4N:
6810 return weld_ubyte4n(to, from, epsilon);
6812 case D3DDECLTYPE_SHORT2N:
6813 return weld_short2n(to, from, epsilon);
6815 case D3DDECLTYPE_SHORT4N:
6816 return weld_short4n(to, from, epsilon);
6818 case D3DDECLTYPE_USHORT2N:
6819 return weld_ushort2n(to, from, epsilon);
6821 case D3DDECLTYPE_USHORT4N:
6822 return weld_ushort4n(to, from, epsilon);
6824 case D3DDECLTYPE_UDEC3:
6825 return weld_udec3(to, from, epsilon);
6827 case D3DDECLTYPE_DEC3N:
6828 return weld_dec3n(to, from, epsilon);
6830 case D3DDECLTYPE_FLOAT16_2:
6831 return weld_float16_2(to, from, epsilon);
6833 case D3DDECLTYPE_FLOAT16_4:
6834 return weld_float16_4(to, from, epsilon);
6836 case D3DDECLTYPE_UNUSED:
6837 if (!fixme_once_unused++)
6838 FIXME("D3DDECLTYPE_UNUSED welding not implemented.\n");
6839 break;
6841 default:
6842 if (!fixme_once_unknown++)
6843 FIXME("Welding of unknown declaration type %d is not implemented.\n", type);
6844 break;
6847 return FALSE;
6850 static FLOAT get_component_epsilon(const D3DVERTEXELEMENT9 *decl_ptr, const D3DXWELDEPSILONS *epsilons)
6852 FLOAT epsilon = 0.0f;
6853 /* Quiet FIXMEs as this is in a loop with potentially thousand of iterations. */
6854 static BOOL fixme_once_blendindices = FALSE;
6855 static BOOL fixme_once_positiont = FALSE;
6856 static BOOL fixme_once_fog = FALSE;
6857 static BOOL fixme_once_depth = FALSE;
6858 static BOOL fixme_once_sample = FALSE;
6859 static BOOL fixme_once_unknown = FALSE;
6861 switch (decl_ptr->Usage)
6863 case D3DDECLUSAGE_POSITION:
6864 epsilon = epsilons->Position;
6865 break;
6866 case D3DDECLUSAGE_BLENDWEIGHT:
6867 epsilon = epsilons->BlendWeights;
6868 break;
6869 case D3DDECLUSAGE_NORMAL:
6870 epsilon = epsilons->Normals;
6871 break;
6872 case D3DDECLUSAGE_PSIZE:
6873 epsilon = epsilons->PSize;
6874 break;
6875 case D3DDECLUSAGE_TEXCOORD:
6877 BYTE usage_index = decl_ptr->UsageIndex;
6878 if (usage_index > 7)
6879 usage_index = 7;
6880 epsilon = epsilons->Texcoords[usage_index];
6881 break;
6883 case D3DDECLUSAGE_TANGENT:
6884 epsilon = epsilons->Tangent;
6885 break;
6886 case D3DDECLUSAGE_BINORMAL:
6887 epsilon = epsilons->Binormal;
6888 break;
6889 case D3DDECLUSAGE_TESSFACTOR:
6890 epsilon = epsilons->TessFactor;
6891 break;
6892 case D3DDECLUSAGE_COLOR:
6893 if (decl_ptr->UsageIndex == 0)
6894 epsilon = epsilons->Diffuse;
6895 else if (decl_ptr->UsageIndex == 1)
6896 epsilon = epsilons->Specular;
6897 else
6898 epsilon = 1e-6f;
6899 break;
6900 case D3DDECLUSAGE_BLENDINDICES:
6901 if (!fixme_once_blendindices++)
6902 FIXME("D3DDECLUSAGE_BLENDINDICES welding not implemented.\n");
6903 break;
6904 case D3DDECLUSAGE_POSITIONT:
6905 if (!fixme_once_positiont++)
6906 FIXME("D3DDECLUSAGE_POSITIONT welding not implemented.\n");
6907 break;
6908 case D3DDECLUSAGE_FOG:
6909 if (!fixme_once_fog++)
6910 FIXME("D3DDECLUSAGE_FOG welding not implemented.\n");
6911 break;
6912 case D3DDECLUSAGE_DEPTH:
6913 if (!fixme_once_depth++)
6914 FIXME("D3DDECLUSAGE_DEPTH welding not implemented.\n");
6915 break;
6916 case D3DDECLUSAGE_SAMPLE:
6917 if (!fixme_once_sample++)
6918 FIXME("D3DDECLUSAGE_SAMPLE welding not implemented.\n");
6919 break;
6920 default:
6921 if (!fixme_once_unknown++)
6922 FIXME("Unknown usage %x\n", decl_ptr->Usage);
6923 break;
6926 return epsilon;
6929 /* Helper function for reading a 32-bit index buffer. */
6930 static inline DWORD read_ib(void *index_buffer, BOOL indices_are_32bit,
6931 DWORD index)
6933 if (indices_are_32bit)
6935 DWORD *indices = index_buffer;
6936 return indices[index];
6938 else
6940 WORD *indices = index_buffer;
6941 return indices[index];
6945 /* Helper function for writing to a 32-bit index buffer. */
6946 static inline void write_ib(void *index_buffer, BOOL indices_are_32bit,
6947 DWORD index, DWORD value)
6949 if (indices_are_32bit)
6951 DWORD *indices = index_buffer;
6952 indices[index] = value;
6954 else
6956 WORD *indices = index_buffer;
6957 indices[index] = value;
6961 /*************************************************************************
6962 * D3DXWeldVertices (D3DX9_36.@)
6964 * Welds together similar vertices. The similarity between vert-
6965 * ices can be the position and other components such as
6966 * normal and color.
6968 * PARAMS
6969 * mesh [I] Mesh which vertices will be welded together.
6970 * flags [I] D3DXWELDEPSILONSFLAGS specifying how to weld.
6971 * epsilons [I] How similar a component needs to be for welding.
6972 * adjacency [I] Which faces are adjacent to other faces.
6973 * adjacency_out [O] Updated adjacency after welding.
6974 * face_remap_out [O] Which faces the old faces have been mapped to.
6975 * vertex_remap_out [O] Which vertices the old vertices have been mapped to.
6977 * RETURNS
6978 * Success: D3D_OK.
6979 * Failure: D3DERR_INVALIDCALL, E_OUTOFMEMORY.
6981 * BUGS
6982 * Attribute sorting not implemented.
6985 HRESULT WINAPI D3DXWeldVertices(ID3DXMesh *mesh, DWORD flags, const D3DXWELDEPSILONS *epsilons,
6986 const DWORD *adjacency, DWORD *adjacency_out, DWORD *face_remap_out, ID3DXBuffer **vertex_remap_out)
6988 DWORD *adjacency_generated = NULL;
6989 const DWORD *adjacency_ptr;
6990 DWORD *attributes = NULL;
6991 const FLOAT DEFAULT_EPSILON = 1.0e-6f;
6992 HRESULT hr;
6993 DWORD i;
6994 void *indices = NULL;
6995 BOOL indices_are_32bit = mesh->lpVtbl->GetOptions(mesh) & D3DXMESH_32BIT;
6996 DWORD optimize_flags;
6997 DWORD *point_reps = NULL;
6998 struct d3dx9_mesh *This = impl_from_ID3DXMesh(mesh);
6999 DWORD *vertex_face_map = NULL;
7000 ID3DXBuffer *vertex_remap = NULL;
7001 BYTE *vertices = NULL;
7003 TRACE("mesh %p, flags %#x, epsilons %p, adjacency %p, adjacency_out %p, face_remap_out %p, vertex_remap_out %p.\n",
7004 mesh, flags, epsilons, adjacency, adjacency_out, face_remap_out, vertex_remap_out);
7006 if (flags == 0)
7008 WARN("No flags are undefined. Using D3DXWELDEPSILONS_WELDPARTIALMATCHES instead.\n");
7009 flags = D3DXWELDEPSILONS_WELDPARTIALMATCHES;
7012 if (adjacency) /* Use supplied adjacency. */
7014 adjacency_ptr = adjacency;
7016 else /* Adjacency has to be generated. */
7018 adjacency_generated = HeapAlloc(GetProcessHeap(), 0, 3 * This->numfaces * sizeof(*adjacency_generated));
7019 if (!adjacency_generated)
7021 ERR("Couldn't allocate memory for adjacency_generated.\n");
7022 hr = E_OUTOFMEMORY;
7023 goto cleanup;
7025 hr = mesh->lpVtbl->GenerateAdjacency(mesh, DEFAULT_EPSILON, adjacency_generated);
7026 if (FAILED(hr))
7028 ERR("Couldn't generate adjacency.\n");
7029 goto cleanup;
7031 adjacency_ptr = adjacency_generated;
7034 /* Point representation says which vertices can be replaced. */
7035 point_reps = HeapAlloc(GetProcessHeap(), 0, This->numvertices * sizeof(*point_reps));
7036 if (!point_reps)
7038 hr = E_OUTOFMEMORY;
7039 ERR("Couldn't allocate memory for point_reps.\n");
7040 goto cleanup;
7042 hr = mesh->lpVtbl->ConvertAdjacencyToPointReps(mesh, adjacency_ptr, point_reps);
7043 if (FAILED(hr))
7045 ERR("ConvertAdjacencyToPointReps failed.\n");
7046 goto cleanup;
7049 hr = mesh->lpVtbl->LockIndexBuffer(mesh, 0, &indices);
7050 if (FAILED(hr))
7052 ERR("Couldn't lock index buffer.\n");
7053 goto cleanup;
7056 hr = mesh->lpVtbl->LockAttributeBuffer(mesh, 0, &attributes);
7057 if (FAILED(hr))
7059 ERR("Couldn't lock attribute buffer.\n");
7060 goto cleanup;
7062 vertex_face_map = HeapAlloc(GetProcessHeap(), 0, This->numvertices * sizeof(*vertex_face_map));
7063 if (!vertex_face_map)
7065 hr = E_OUTOFMEMORY;
7066 ERR("Couldn't allocate memory for vertex_face_map.\n");
7067 goto cleanup;
7069 /* Build vertex face map, so that a vertex's face can be looked up. */
7070 for (i = 0; i < This->numfaces; i++)
7072 DWORD j;
7073 for (j = 0; j < 3; j++)
7075 DWORD index = read_ib(indices, indices_are_32bit, 3*i + j);
7076 vertex_face_map[index] = i;
7080 if (flags & D3DXWELDEPSILONS_WELDPARTIALMATCHES)
7082 hr = mesh->lpVtbl->LockVertexBuffer(mesh, 0, (void**)&vertices);
7083 if (FAILED(hr))
7085 ERR("Couldn't lock vertex buffer.\n");
7086 goto cleanup;
7088 /* For each vertex that can be removed, compare its vertex components
7089 * with the vertex components from the vertex that can replace it. A
7090 * vertex is only fully replaced if all the components match and the
7091 * flag D3DXWELDEPSILONS_DONOTREMOVEVERTICES is not set, and they
7092 * belong to the same attribute group. Otherwise the vertex components
7093 * that are within epsilon are set to the same value.
7095 for (i = 0; i < 3 * This->numfaces; i++)
7097 D3DVERTEXELEMENT9 *decl_ptr;
7098 DWORD vertex_size = mesh->lpVtbl->GetNumBytesPerVertex(mesh);
7099 DWORD num_vertex_components;
7100 INT matches = 0;
7101 BOOL all_match;
7102 DWORD index = read_ib(indices, indices_are_32bit, i);
7104 for (decl_ptr = This->cached_declaration, num_vertex_components = 0; decl_ptr->Stream != 0xFF; decl_ptr++, num_vertex_components++)
7106 BYTE *to = &vertices[vertex_size*index + decl_ptr->Offset];
7107 BYTE *from = &vertices[vertex_size*point_reps[index] + decl_ptr->Offset];
7108 FLOAT epsilon = get_component_epsilon(decl_ptr, epsilons);
7110 /* Don't weld self */
7111 if (index == point_reps[index])
7113 matches++;
7114 continue;
7117 if (weld_component(to, from, decl_ptr->Type, epsilon))
7118 matches++;
7121 all_match = (num_vertex_components == matches);
7122 if (all_match && !(flags & D3DXWELDEPSILONS_DONOTREMOVEVERTICES))
7124 DWORD to_face = vertex_face_map[index];
7125 DWORD from_face = vertex_face_map[point_reps[index]];
7126 if(attributes[to_face] != attributes[from_face] && !(flags & D3DXWELDEPSILONS_DONOTSPLIT))
7127 continue;
7128 write_ib(indices, indices_are_32bit, i, point_reps[index]);
7131 mesh->lpVtbl->UnlockVertexBuffer(mesh);
7132 vertices = NULL;
7134 else if (flags & D3DXWELDEPSILONS_WELDALL)
7136 for (i = 0; i < 3 * This->numfaces; i++)
7138 DWORD index = read_ib(indices, indices_are_32bit, i);
7139 DWORD to_face = vertex_face_map[index];
7140 DWORD from_face = vertex_face_map[point_reps[index]];
7141 if(attributes[to_face] != attributes[from_face] && !(flags & D3DXWELDEPSILONS_DONOTSPLIT))
7142 continue;
7143 write_ib(indices, indices_are_32bit, i, point_reps[index]);
7146 mesh->lpVtbl->UnlockAttributeBuffer(mesh);
7147 attributes = NULL;
7148 mesh->lpVtbl->UnlockIndexBuffer(mesh);
7149 indices = NULL;
7151 /* Compact mesh using OptimizeInplace */
7152 optimize_flags = D3DXMESHOPT_COMPACT;
7153 hr = mesh->lpVtbl->OptimizeInplace(mesh, optimize_flags, adjacency_ptr, adjacency_out, face_remap_out, vertex_remap_out);
7154 if (FAILED(hr))
7156 ERR("Couldn't compact mesh.\n");
7157 goto cleanup;
7160 hr = D3D_OK;
7161 cleanup:
7162 HeapFree(GetProcessHeap(), 0, adjacency_generated);
7163 HeapFree(GetProcessHeap(), 0, point_reps);
7164 HeapFree(GetProcessHeap(), 0, vertex_face_map);
7165 if (attributes) mesh->lpVtbl->UnlockAttributeBuffer(mesh);
7166 if (indices) mesh->lpVtbl->UnlockIndexBuffer(mesh);
7167 if (vertex_remap) ID3DXBuffer_Release(vertex_remap);
7168 if (vertices) mesh->lpVtbl->UnlockVertexBuffer(mesh);
7170 return hr;
7173 /*************************************************************************
7174 * D3DXOptimizeFaces (D3DX9_36.@)
7176 * Re-orders the faces so the vertex cache is used optimally.
7178 * PARAMS
7179 * indices [I] Pointer to an index buffer belonging to a mesh.
7180 * num_faces [I] Number of faces in the mesh.
7181 * num_vertices [I] Number of vertices in the mesh.
7182 * indices_are_32bit [I] Specifies whether indices are 32- or 16-bit.
7183 * face_remap [I/O] The new order the faces should be drawn in.
7185 * RETURNS
7186 * Success: D3D_OK.
7187 * Failure: D3DERR_INVALIDCALL.
7189 * BUGS
7190 * The face re-ordering does not use the vertex cache optimally.
7193 HRESULT WINAPI D3DXOptimizeFaces(const void *indices, UINT num_faces,
7194 UINT num_vertices, BOOL indices_are_32bit, DWORD *face_remap)
7196 UINT i;
7197 UINT j = num_faces - 1;
7198 UINT limit_16_bit = 2 << 15; /* According to MSDN */
7199 HRESULT hr = D3D_OK;
7201 FIXME("indices %p, num_faces %u, num_vertices %u, indices_are_32bit %#x, face_remap %p semi-stub. "
7202 "Face order will not be optimal.\n",
7203 indices, num_faces, num_vertices, indices_are_32bit, face_remap);
7205 if (!indices_are_32bit && num_faces >= limit_16_bit)
7207 WARN("Number of faces must be less than %d when using 16-bit indices.\n",
7208 limit_16_bit);
7209 hr = D3DERR_INVALIDCALL;
7210 goto error;
7213 if (!face_remap)
7215 WARN("Face remap pointer is NULL.\n");
7216 hr = D3DERR_INVALIDCALL;
7217 goto error;
7220 /* The faces are drawn in reverse order for simple meshes. This ordering
7221 * is not optimal for complicated meshes, but will not break anything
7222 * either. The ordering should be changed to take advantage of the vertex
7223 * cache on the graphics card.
7225 * TODO Re-order to take advantage of vertex cache.
7227 for (i = 0; i < num_faces; i++)
7229 face_remap[i] = j--;
7232 return D3D_OK;
7234 error:
7235 return hr;