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
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
27 #include "wine/port.h"
30 #define NONAMELESSUNION
42 #include "wine/debug.h"
43 #include "wine/unicode.h"
44 #include "wine/list.h"
45 #include "d3dx9_36_private.h"
47 WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
49 typedef struct ID3DXMeshImpl
51 ID3DXMesh ID3DXMesh_iface;
58 IDirect3DDevice9 *device;
59 D3DVERTEXELEMENT9 cached_declaration[MAX_FVF_DECL_SIZE];
60 IDirect3DVertexDeclaration9 *vertex_declaration;
61 UINT vertex_declaration_size;
63 IDirect3DVertexBuffer9 *vertex_buffer;
64 IDirect3DIndexBuffer9 *index_buffer;
66 int attrib_buffer_lock_count;
67 DWORD attrib_table_size;
68 D3DXATTRIBUTERANGE *attrib_table;
71 const UINT d3dx_decltype_size[] =
73 /* D3DDECLTYPE_FLOAT1 */ sizeof(FLOAT),
74 /* D3DDECLTYPE_FLOAT2 */ sizeof(D3DXVECTOR2),
75 /* D3DDECLTYPE_FLOAT3 */ sizeof(D3DXVECTOR3),
76 /* D3DDECLTYPE_FLOAT4 */ sizeof(D3DXVECTOR4),
77 /* D3DDECLTYPE_D3DCOLOR */ sizeof(D3DCOLOR),
78 /* D3DDECLTYPE_UBYTE4 */ 4 * sizeof(BYTE),
79 /* D3DDECLTYPE_SHORT2 */ 2 * sizeof(SHORT),
80 /* D3DDECLTYPE_SHORT4 */ 4 * sizeof(SHORT),
81 /* D3DDECLTYPE_UBYTE4N */ 4 * sizeof(BYTE),
82 /* D3DDECLTYPE_SHORT2N */ 2 * sizeof(SHORT),
83 /* D3DDECLTYPE_SHORT4N */ 4 * sizeof(SHORT),
84 /* D3DDECLTYPE_USHORT2N */ 2 * sizeof(USHORT),
85 /* D3DDECLTYPE_USHORT4N */ 4 * sizeof(USHORT),
86 /* D3DDECLTYPE_UDEC3 */ 4, /* 3 * 10 bits + 2 padding */
87 /* D3DDECLTYPE_DEC3N */ 4,
88 /* D3DDECLTYPE_FLOAT16_2 */ 2 * sizeof(D3DXFLOAT16),
89 /* D3DDECLTYPE_FLOAT16_4 */ 4 * sizeof(D3DXFLOAT16),
92 static inline ID3DXMeshImpl *impl_from_ID3DXMesh(ID3DXMesh *iface)
94 return CONTAINING_RECORD(iface, ID3DXMeshImpl, ID3DXMesh_iface);
97 static HRESULT WINAPI ID3DXMeshImpl_QueryInterface(ID3DXMesh *iface, REFIID riid, LPVOID *object)
99 TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), object);
101 if (IsEqualGUID(riid, &IID_IUnknown) ||
102 IsEqualGUID(riid, &IID_ID3DXBaseMesh) ||
103 IsEqualGUID(riid, &IID_ID3DXMesh))
105 iface->lpVtbl->AddRef(iface);
110 WARN("Interface %s not found.\n", debugstr_guid(riid));
112 return E_NOINTERFACE;
115 static ULONG WINAPI ID3DXMeshImpl_AddRef(ID3DXMesh *iface)
117 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
119 TRACE("(%p)->(): AddRef from %d\n", This, This->ref);
121 return InterlockedIncrement(&This->ref);
124 static ULONG WINAPI ID3DXMeshImpl_Release(ID3DXMesh *iface)
126 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
127 ULONG ref = InterlockedDecrement(&This->ref);
129 TRACE("(%p)->(): Release from %d\n", This, ref + 1);
133 IDirect3DIndexBuffer9_Release(This->index_buffer);
134 IDirect3DVertexBuffer9_Release(This->vertex_buffer);
135 if (This->vertex_declaration)
136 IDirect3DVertexDeclaration9_Release(This->vertex_declaration);
137 IDirect3DDevice9_Release(This->device);
138 HeapFree(GetProcessHeap(), 0, This->attrib_buffer);
139 HeapFree(GetProcessHeap(), 0, This->attrib_table);
140 HeapFree(GetProcessHeap(), 0, This);
146 /*** ID3DXBaseMesh ***/
147 static HRESULT WINAPI ID3DXMeshImpl_DrawSubset(ID3DXMesh *iface, DWORD attrib_id)
149 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
155 TRACE("(%p)->(%u)\n", This, attrib_id);
157 if (!This->vertex_declaration)
159 WARN("Can't draw a mesh with an invalid vertex declaration.\n");
163 vertex_size = iface->lpVtbl->GetNumBytesPerVertex(iface);
165 hr = IDirect3DDevice9_SetVertexDeclaration(This->device, This->vertex_declaration);
166 if (FAILED(hr)) return hr;
167 hr = IDirect3DDevice9_SetStreamSource(This->device, 0, This->vertex_buffer, 0, vertex_size);
168 if (FAILED(hr)) return hr;
169 hr = IDirect3DDevice9_SetIndices(This->device, This->index_buffer);
170 if (FAILED(hr)) return hr;
172 while (face_end < This->numfaces)
174 for (face_start = face_end; face_start < This->numfaces; face_start++)
176 if (This->attrib_buffer[face_start] == attrib_id)
179 if (face_start >= This->numfaces)
181 for (face_end = face_start + 1; face_end < This->numfaces; face_end++)
183 if (This->attrib_buffer[face_end] != attrib_id)
187 hr = IDirect3DDevice9_DrawIndexedPrimitive(This->device, D3DPT_TRIANGLELIST,
188 0, 0, This->numvertices, face_start * 3, face_end - face_start);
189 if (FAILED(hr)) return hr;
195 static DWORD WINAPI ID3DXMeshImpl_GetNumFaces(ID3DXMesh *iface)
197 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
199 TRACE("(%p)\n", This);
201 return This->numfaces;
204 static DWORD WINAPI ID3DXMeshImpl_GetNumVertices(ID3DXMesh *iface)
206 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
208 TRACE("(%p)\n", This);
210 return This->numvertices;
213 static DWORD WINAPI ID3DXMeshImpl_GetFVF(ID3DXMesh *iface)
215 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
217 TRACE("(%p)\n", This);
222 static void copy_declaration(D3DVERTEXELEMENT9 *dst, const D3DVERTEXELEMENT9 *src, UINT num_elem)
224 memcpy(dst, src, num_elem * sizeof(*src));
227 static HRESULT WINAPI ID3DXMeshImpl_GetDeclaration(ID3DXMesh *iface, D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE])
229 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
231 TRACE("(%p)\n", This);
233 if (declaration == NULL) return D3DERR_INVALIDCALL;
235 copy_declaration(declaration, This->cached_declaration, This->num_elem);
240 static DWORD WINAPI ID3DXMeshImpl_GetNumBytesPerVertex(ID3DXMesh *iface)
242 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
244 TRACE("iface (%p)\n", This);
246 return This->vertex_declaration_size;
249 static DWORD WINAPI ID3DXMeshImpl_GetOptions(ID3DXMesh *iface)
251 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
253 TRACE("(%p)\n", This);
255 return This->options;
258 static HRESULT WINAPI ID3DXMeshImpl_GetDevice(ID3DXMesh *iface, LPDIRECT3DDEVICE9 *device)
260 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
262 TRACE("(%p)->(%p)\n", This, device);
264 if (device == NULL) return D3DERR_INVALIDCALL;
265 *device = This->device;
266 IDirect3DDevice9_AddRef(This->device);
271 static HRESULT WINAPI ID3DXMeshImpl_CloneMeshFVF(ID3DXMesh *iface, DWORD options, DWORD fvf, LPDIRECT3DDEVICE9 device, LPD3DXMESH *clone_mesh)
273 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
275 D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE];
277 TRACE("(%p)->(%x,%x,%p,%p)\n", This, options, fvf, device, clone_mesh);
279 hr = D3DXDeclaratorFromFVF(fvf, declaration);
280 if (FAILED(hr)) return hr;
282 return iface->lpVtbl->CloneMesh(iface, options, declaration, device, clone_mesh);
285 static FLOAT scale_clamp_ubyten(FLOAT value)
287 value = value * UCHAR_MAX;
295 if (value > UCHAR_MAX) /* Clamp at 255 */
302 static FLOAT scale_clamp_shortn(FLOAT value)
304 value = value * SHRT_MAX;
306 /* The tests show that the range is SHRT_MIN + 1 to SHRT_MAX. */
307 if (value <= SHRT_MIN)
311 else if (value > SHRT_MAX)
321 static FLOAT scale_clamp_ushortn(FLOAT value)
323 value = value * USHRT_MAX;
331 if (value > USHRT_MAX) /* Clamp at 65535 */
338 static INT simple_round(FLOAT value)
340 int res = (INT)(value + 0.5f);
345 static void convert_float4(BYTE *dst, CONST D3DXVECTOR4 *src, D3DDECLTYPE type_dst)
347 BOOL fixme_once = FALSE;
351 case D3DDECLTYPE_FLOAT1:
353 FLOAT *dst_ptr = (FLOAT*)dst;
357 case D3DDECLTYPE_FLOAT2:
359 D3DXVECTOR2 *dst_ptr = (D3DXVECTOR2*)dst;
364 case D3DDECLTYPE_FLOAT3:
366 D3DXVECTOR3 *dst_ptr = (D3DXVECTOR3*)dst;
372 case D3DDECLTYPE_FLOAT4:
374 D3DXVECTOR4 *dst_ptr = (D3DXVECTOR4*)dst;
381 case D3DDECLTYPE_D3DCOLOR:
383 dst[0] = (BYTE)simple_round(scale_clamp_ubyten(src->z));
384 dst[1] = (BYTE)simple_round(scale_clamp_ubyten(src->y));
385 dst[2] = (BYTE)simple_round(scale_clamp_ubyten(src->x));
386 dst[3] = (BYTE)simple_round(scale_clamp_ubyten(src->w));
389 case D3DDECLTYPE_UBYTE4:
391 dst[0] = src->x < 0.0f ? 0 : (BYTE)simple_round(src->x);
392 dst[1] = src->y < 0.0f ? 0 : (BYTE)simple_round(src->y);
393 dst[2] = src->z < 0.0f ? 0 : (BYTE)simple_round(src->z);
394 dst[3] = src->w < 0.0f ? 0 : (BYTE)simple_round(src->w);
397 case D3DDECLTYPE_SHORT2:
399 SHORT *dst_ptr = (SHORT*)dst;
400 dst_ptr[0] = (SHORT)simple_round(src->x);
401 dst_ptr[1] = (SHORT)simple_round(src->y);
404 case D3DDECLTYPE_SHORT4:
406 SHORT *dst_ptr = (SHORT*)dst;
407 dst_ptr[0] = (SHORT)simple_round(src->x);
408 dst_ptr[1] = (SHORT)simple_round(src->y);
409 dst_ptr[2] = (SHORT)simple_round(src->z);
410 dst_ptr[3] = (SHORT)simple_round(src->w);
413 case D3DDECLTYPE_UBYTE4N:
415 dst[0] = (BYTE)simple_round(scale_clamp_ubyten(src->x));
416 dst[1] = (BYTE)simple_round(scale_clamp_ubyten(src->y));
417 dst[2] = (BYTE)simple_round(scale_clamp_ubyten(src->z));
418 dst[3] = (BYTE)simple_round(scale_clamp_ubyten(src->w));
421 case D3DDECLTYPE_SHORT2N:
423 SHORT *dst_ptr = (SHORT*)dst;
424 dst_ptr[0] = (SHORT)simple_round(scale_clamp_shortn(src->x));
425 dst_ptr[1] = (SHORT)simple_round(scale_clamp_shortn(src->y));
428 case D3DDECLTYPE_SHORT4N:
430 SHORT *dst_ptr = (SHORT*)dst;
431 dst_ptr[0] = (SHORT)simple_round(scale_clamp_shortn(src->x));
432 dst_ptr[1] = (SHORT)simple_round(scale_clamp_shortn(src->y));
433 dst_ptr[2] = (SHORT)simple_round(scale_clamp_shortn(src->z));
434 dst_ptr[3] = (SHORT)simple_round(scale_clamp_shortn(src->w));
437 case D3DDECLTYPE_USHORT2N:
439 USHORT *dst_ptr = (USHORT*)dst;
440 dst_ptr[0] = (USHORT)simple_round(scale_clamp_ushortn(src->x));
441 dst_ptr[1] = (USHORT)simple_round(scale_clamp_ushortn(src->y));
444 case D3DDECLTYPE_USHORT4N:
446 USHORT *dst_ptr = (USHORT*)dst;
447 dst_ptr[0] = (USHORT)simple_round(scale_clamp_ushortn(src->x));
448 dst_ptr[1] = (USHORT)simple_round(scale_clamp_ushortn(src->y));
449 dst_ptr[2] = (USHORT)simple_round(scale_clamp_ushortn(src->z));
450 dst_ptr[3] = (USHORT)simple_round(scale_clamp_ushortn(src->w));
453 case D3DDECLTYPE_FLOAT16_2:
455 D3DXFloat32To16Array((D3DXFLOAT16*)dst, (FLOAT*)src, 2);
458 case D3DDECLTYPE_FLOAT16_4:
460 D3DXFloat32To16Array((D3DXFLOAT16*)dst, (FLOAT*)src, 4);
465 FIXME("Conversion from D3DDECLTYPE_FLOAT4 to %d not implemented.\n", type_dst);
470 static void convert_component(BYTE *dst, BYTE *src, D3DDECLTYPE type_dst, D3DDECLTYPE type_src)
472 BOOL fixme_once = FALSE;
476 case D3DDECLTYPE_FLOAT1:
478 FLOAT *src_ptr = (FLOAT*)src;
479 D3DXVECTOR4 src_float4 = {*src_ptr, 0.0f, 0.0f, 1.0f};
480 convert_float4(dst, &src_float4, type_dst);
483 case D3DDECLTYPE_FLOAT2:
485 D3DXVECTOR2 *src_ptr = (D3DXVECTOR2*)src;
486 D3DXVECTOR4 src_float4 = {src_ptr->x, src_ptr->y, 0.0f, 1.0f};
487 convert_float4(dst, &src_float4, type_dst);
490 case D3DDECLTYPE_FLOAT3:
492 D3DXVECTOR3 *src_ptr = (D3DXVECTOR3*)src;
493 D3DXVECTOR4 src_float4 = {src_ptr->x, src_ptr->y, src_ptr->z, 1.0f};
494 convert_float4(dst, &src_float4, type_dst);
497 case D3DDECLTYPE_FLOAT4:
499 D3DXVECTOR4 *src_ptr = (D3DXVECTOR4*)src;
500 D3DXVECTOR4 src_float4 = {src_ptr->x, src_ptr->y, src_ptr->z, src_ptr->w};
501 convert_float4(dst, &src_float4, type_dst);
504 case D3DDECLTYPE_D3DCOLOR:
506 D3DXVECTOR4 src_float4 =
508 (FLOAT)src[2]/UCHAR_MAX,
509 (FLOAT)src[1]/UCHAR_MAX,
510 (FLOAT)src[0]/UCHAR_MAX,
511 (FLOAT)src[3]/UCHAR_MAX
513 convert_float4(dst, &src_float4, type_dst);
516 case D3DDECLTYPE_UBYTE4:
518 D3DXVECTOR4 src_float4 = {src[0], src[1], src[2], src[3]};
519 convert_float4(dst, &src_float4, type_dst);
522 case D3DDECLTYPE_SHORT2:
524 SHORT *src_ptr = (SHORT*)src;
525 D3DXVECTOR4 src_float4 = {src_ptr[0], src_ptr[1], 0.0f, 1.0f};
526 convert_float4(dst, &src_float4, type_dst);
529 case D3DDECLTYPE_SHORT4:
531 SHORT *src_ptr = (SHORT*)src;
532 D3DXVECTOR4 src_float4 = {src_ptr[0], src_ptr[1], src_ptr[2], src_ptr[3]};
533 convert_float4(dst, &src_float4, type_dst);
536 case D3DDECLTYPE_UBYTE4N:
538 D3DXVECTOR4 src_float4 =
540 (FLOAT)src[0]/UCHAR_MAX,
541 (FLOAT)src[1]/UCHAR_MAX,
542 (FLOAT)src[2]/UCHAR_MAX,
543 (FLOAT)src[3]/UCHAR_MAX
545 convert_float4(dst, &src_float4, type_dst);
548 case D3DDECLTYPE_SHORT2N:
550 SHORT *src_ptr = (SHORT*)src;
551 D3DXVECTOR4 src_float4 = {(FLOAT)src_ptr[0]/SHRT_MAX, (FLOAT)src_ptr[1]/SHRT_MAX, 0.0f, 1.0f};
552 convert_float4(dst, &src_float4, type_dst);
555 case D3DDECLTYPE_SHORT4N:
557 SHORT *src_ptr = (SHORT*)src;
558 D3DXVECTOR4 src_float4 =
560 (FLOAT)src_ptr[0]/SHRT_MAX,
561 (FLOAT)src_ptr[1]/SHRT_MAX,
562 (FLOAT)src_ptr[2]/SHRT_MAX,
563 (FLOAT)src_ptr[3]/SHRT_MAX
565 convert_float4(dst, &src_float4, type_dst);
568 case D3DDECLTYPE_FLOAT16_2:
570 D3DXVECTOR4 src_float4 = {0.0f, 0.0f, 0.0f, 1.0f};
571 D3DXFloat16To32Array((FLOAT*)&src_float4, (D3DXFLOAT16*)src, 2);
572 convert_float4(dst, &src_float4, type_dst);
575 case D3DDECLTYPE_FLOAT16_4:
577 D3DXVECTOR4 src_float4;
578 D3DXFloat16To32Array((FLOAT*)&src_float4, (D3DXFLOAT16*)src, 4);
579 convert_float4(dst, &src_float4, type_dst);
584 FIXME("Conversion of D3DDECLTYPE %d to %d not implemented.\n", type_src, type_dst);
589 static INT get_equivalent_declaration_index(D3DVERTEXELEMENT9 orig_declaration, D3DVERTEXELEMENT9 *declaration)
593 for (i = 0; declaration[i].Stream != 0xff; i++)
595 if (orig_declaration.Usage == declaration[i].Usage
596 && orig_declaration.UsageIndex == declaration[i].UsageIndex)
605 static HRESULT convert_vertex_buffer(ID3DXMesh *mesh_dst, ID3DXMesh *mesh_src)
608 D3DVERTEXELEMENT9 orig_declaration[MAX_FVF_DECL_SIZE] = {D3DDECL_END()};
609 D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE] = {D3DDECL_END()};
613 UINT num_vertices = mesh_src->lpVtbl->GetNumVertices(mesh_src);
614 UINT dst_vertex_size = mesh_dst->lpVtbl->GetNumBytesPerVertex(mesh_dst);
615 UINT src_vertex_size = mesh_src->lpVtbl->GetNumBytesPerVertex(mesh_src);
617 hr = mesh_src->lpVtbl->GetDeclaration(mesh_src, orig_declaration);
618 if (FAILED(hr)) return hr;
619 hr = mesh_dst->lpVtbl->GetDeclaration(mesh_dst, declaration);
620 if (FAILED(hr)) return hr;
622 hr = mesh_src->lpVtbl->LockVertexBuffer(mesh_src, D3DLOCK_READONLY, (void**)&vb_src);
623 if (FAILED(hr)) goto cleanup;
624 hr = mesh_dst->lpVtbl->LockVertexBuffer(mesh_dst, 0, (void**)&vb_dst);
625 if (FAILED(hr)) goto cleanup;
627 /* Clear all new fields by clearing the entire vertex buffer. */
628 memset(vb_dst, 0, num_vertices * dst_vertex_size);
630 for (i = 0; orig_declaration[i].Stream != 0xff; i++)
632 INT eq_idx = get_equivalent_declaration_index(orig_declaration[i], declaration);
637 for (j = 0; j < num_vertices; j++)
639 UINT idx_dst = dst_vertex_size * j + declaration[eq_idx].Offset;
640 UINT idx_src = src_vertex_size * j + orig_declaration[i].Offset;
641 UINT type_size = d3dx_decltype_size[orig_declaration[i].Type];
643 if (orig_declaration[i].Type == declaration[eq_idx].Type)
644 memcpy(&vb_dst[idx_dst], &vb_src[idx_src], type_size);
646 convert_component(&vb_dst[idx_dst], &vb_src[idx_src], declaration[eq_idx].Type, orig_declaration[i].Type);
653 if (vb_dst) mesh_dst->lpVtbl->UnlockVertexBuffer(mesh_dst);
654 if (vb_src) mesh_src->lpVtbl->UnlockVertexBuffer(mesh_src);
659 static BOOL declaration_equals(CONST D3DVERTEXELEMENT9 *declaration1, CONST D3DVERTEXELEMENT9 *declaration2)
661 UINT size1 = 0, size2 = 0;
663 /* Find the size of each declaration */
664 while (declaration1[size1].Stream != 0xff) size1++;
665 while (declaration2[size2].Stream != 0xff) size2++;
667 /* If not same size then they are definitely not equal */
671 /* Check that all components are the same */
672 if (memcmp(declaration1, declaration2, size1*sizeof(*declaration1)) == 0)
678 static HRESULT WINAPI ID3DXMeshImpl_CloneMesh(ID3DXMesh *iface, DWORD options, CONST D3DVERTEXELEMENT9 *declaration, LPDIRECT3DDEVICE9 device,
679 LPD3DXMESH *clone_mesh_out)
681 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
682 ID3DXMeshImpl *cloned_this;
683 ID3DXMesh *clone_mesh;
684 D3DVERTEXELEMENT9 orig_declaration[MAX_FVF_DECL_SIZE] = { D3DDECL_END() };
685 void *data_in, *data_out;
689 BOOL same_declaration;
691 TRACE("(%p)->(%x,%p,%p,%p)\n", This, options, declaration, device, clone_mesh_out);
694 return D3DERR_INVALIDCALL;
696 hr = iface->lpVtbl->GetDeclaration(iface, orig_declaration);
697 if (FAILED(hr)) return hr;
699 hr = D3DXCreateMesh(This->numfaces, This->numvertices, options & ~D3DXMESH_VB_SHARE,
700 declaration, device, &clone_mesh);
701 if (FAILED(hr)) return hr;
703 cloned_this = impl_from_ID3DXMesh(clone_mesh);
704 vertex_size = clone_mesh->lpVtbl->GetNumBytesPerVertex(clone_mesh);
705 same_declaration = declaration_equals(declaration, orig_declaration);
707 if (options & D3DXMESH_VB_SHARE) {
708 if (!same_declaration) {
709 hr = D3DERR_INVALIDCALL;
712 IDirect3DVertexBuffer9_AddRef(This->vertex_buffer);
713 /* FIXME: refactor to avoid creating a new vertex buffer */
714 IDirect3DVertexBuffer9_Release(cloned_this->vertex_buffer);
715 cloned_this->vertex_buffer = This->vertex_buffer;
716 } else if (same_declaration) {
717 hr = iface->lpVtbl->LockVertexBuffer(iface, D3DLOCK_READONLY, &data_in);
718 if (FAILED(hr)) goto error;
719 hr = clone_mesh->lpVtbl->LockVertexBuffer(clone_mesh, 0, &data_out);
721 iface->lpVtbl->UnlockVertexBuffer(iface);
724 memcpy(data_out, data_in, This->numvertices * vertex_size);
725 clone_mesh->lpVtbl->UnlockVertexBuffer(clone_mesh);
726 iface->lpVtbl->UnlockVertexBuffer(iface);
728 hr = convert_vertex_buffer(clone_mesh, iface);
729 if (FAILED(hr)) goto error;
732 hr = iface->lpVtbl->LockIndexBuffer(iface, D3DLOCK_READONLY, &data_in);
733 if (FAILED(hr)) goto error;
734 hr = clone_mesh->lpVtbl->LockIndexBuffer(clone_mesh, 0, &data_out);
736 iface->lpVtbl->UnlockIndexBuffer(iface);
739 if ((options ^ This->options) & D3DXMESH_32BIT) {
740 if (options & D3DXMESH_32BIT) {
741 for (i = 0; i < This->numfaces * 3; i++)
742 ((DWORD*)data_out)[i] = ((WORD*)data_in)[i];
744 for (i = 0; i < This->numfaces * 3; i++)
745 ((WORD*)data_out)[i] = ((DWORD*)data_in)[i];
748 memcpy(data_out, data_in, This->numfaces * 3 * (options & D3DXMESH_32BIT ? 4 : 2));
750 clone_mesh->lpVtbl->UnlockIndexBuffer(clone_mesh);
751 iface->lpVtbl->UnlockIndexBuffer(iface);
753 memcpy(cloned_this->attrib_buffer, This->attrib_buffer, This->numfaces * sizeof(*This->attrib_buffer));
755 if (This->attrib_table_size)
757 cloned_this->attrib_table_size = This->attrib_table_size;
758 cloned_this->attrib_table = HeapAlloc(GetProcessHeap(), 0, This->attrib_table_size * sizeof(*This->attrib_table));
759 if (!cloned_this->attrib_table) {
763 memcpy(cloned_this->attrib_table, This->attrib_table, This->attrib_table_size * sizeof(*This->attrib_table));
766 *clone_mesh_out = clone_mesh;
770 IUnknown_Release(clone_mesh);
774 static HRESULT WINAPI ID3DXMeshImpl_GetVertexBuffer(ID3DXMesh *iface, LPDIRECT3DVERTEXBUFFER9 *vertex_buffer)
776 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
778 TRACE("(%p)->(%p)\n", This, vertex_buffer);
780 if (vertex_buffer == NULL) return D3DERR_INVALIDCALL;
781 *vertex_buffer = This->vertex_buffer;
782 IDirect3DVertexBuffer9_AddRef(This->vertex_buffer);
787 static HRESULT WINAPI ID3DXMeshImpl_GetIndexBuffer(ID3DXMesh *iface, LPDIRECT3DINDEXBUFFER9 *index_buffer)
789 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
791 TRACE("(%p)->(%p)\n", This, index_buffer);
793 if (index_buffer == NULL) return D3DERR_INVALIDCALL;
794 *index_buffer = This->index_buffer;
795 IDirect3DIndexBuffer9_AddRef(This->index_buffer);
800 static HRESULT WINAPI ID3DXMeshImpl_LockVertexBuffer(ID3DXMesh *iface, DWORD flags, LPVOID *data)
802 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
804 TRACE("(%p)->(%u,%p)\n", This, flags, data);
806 return IDirect3DVertexBuffer9_Lock(This->vertex_buffer, 0, 0, data, flags);
809 static HRESULT WINAPI ID3DXMeshImpl_UnlockVertexBuffer(ID3DXMesh *iface)
811 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
813 TRACE("(%p)\n", This);
815 return IDirect3DVertexBuffer9_Unlock(This->vertex_buffer);
818 static HRESULT WINAPI ID3DXMeshImpl_LockIndexBuffer(ID3DXMesh *iface, DWORD flags, LPVOID *data)
820 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
822 TRACE("(%p)->(%u,%p)\n", This, flags, data);
824 return IDirect3DIndexBuffer9_Lock(This->index_buffer, 0, 0, data, flags);
827 static HRESULT WINAPI ID3DXMeshImpl_UnlockIndexBuffer(ID3DXMesh *iface)
829 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
831 TRACE("(%p)\n", This);
833 return IDirect3DIndexBuffer9_Unlock(This->index_buffer);
836 static HRESULT WINAPI ID3DXMeshImpl_GetAttributeTable(ID3DXMesh *iface, D3DXATTRIBUTERANGE *attrib_table, DWORD *attrib_table_size)
838 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
840 TRACE("(%p)->(%p,%p)\n", This, attrib_table, attrib_table_size);
842 if (attrib_table_size)
843 *attrib_table_size = This->attrib_table_size;
846 CopyMemory(attrib_table, This->attrib_table, This->attrib_table_size * sizeof(*attrib_table));
861 struct edge_face *entries;
864 /* Builds up a map of which face a new edge belongs to. That way the adjacency
865 * of another edge can be looked up. An edge has an adjacent face if there
866 * is an edge going in the opposite direction in the map. For example if the
867 * edge (v1, v2) belongs to face 4, and there is a mapping (v2, v1)->7, then
868 * face 4 and 7 are adjacent.
870 * Each edge might have been replaced with another edge, or none at all. There
871 * is at most one edge to face mapping, i.e. an edge can only belong to one
874 static HRESULT init_edge_face_map(struct edge_face_map *edge_face_map, CONST DWORD *index_buffer, CONST DWORD *point_reps, CONST DWORD num_faces)
879 edge_face_map->lists = HeapAlloc(GetProcessHeap(), 0, 3 * num_faces * sizeof(*edge_face_map->lists));
880 if (!edge_face_map->lists) return E_OUTOFMEMORY;
882 edge_face_map->entries = HeapAlloc(GetProcessHeap(), 0, 3 * num_faces * sizeof(*edge_face_map->entries));
883 if (!edge_face_map->entries) return E_OUTOFMEMORY;
886 /* Initialize all lists */
887 for (i = 0; i < 3 * num_faces; i++)
889 list_init(&edge_face_map->lists[i]);
891 /* Build edge face mapping */
892 for (face = 0; face < num_faces; face++)
894 for (edge = 0; edge < 3; edge++)
896 DWORD v1 = index_buffer[3*face + edge];
897 DWORD v2 = index_buffer[3*face + (edge+1)%3];
898 DWORD new_v1 = point_reps[v1]; /* What v1 has been replaced with */
899 DWORD new_v2 = point_reps[v2];
901 if (v1 != v2) /* Only map non-collapsed edges */
904 edge_face_map->entries[i].v2 = new_v2;
905 edge_face_map->entries[i].face = face;
906 list_add_head(&edge_face_map->lists[new_v1], &edge_face_map->entries[i].entry);
914 static DWORD find_adjacent_face(struct edge_face_map *edge_face_map, DWORD vertex1, DWORD vertex2, CONST DWORD num_faces)
916 struct edge_face *edge_face_ptr;
918 LIST_FOR_EACH_ENTRY(edge_face_ptr, &edge_face_map->lists[vertex2], struct edge_face, entry)
920 if (edge_face_ptr->v2 == vertex1)
921 return edge_face_ptr->face;
927 static DWORD *generate_identity_point_reps(DWORD num_vertices)
929 DWORD *id_point_reps;
932 id_point_reps = HeapAlloc(GetProcessHeap(), 0, num_vertices * sizeof(*id_point_reps));
936 for (i = 0; i < num_vertices; i++)
938 id_point_reps[i] = i;
941 return id_point_reps;
944 static HRESULT WINAPI ID3DXMeshImpl_ConvertPointRepsToAdjacency(ID3DXMesh *iface, CONST DWORD *point_reps, DWORD *adjacency)
946 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
948 DWORD num_faces = iface->lpVtbl->GetNumFaces(iface);
949 DWORD num_vertices = iface->lpVtbl->GetNumVertices(iface);
950 DWORD options = iface->lpVtbl->GetOptions(iface);
951 BOOL indices_are_16_bit = !(options & D3DXMESH_32BIT);
956 struct edge_face_map edge_face_map = {0};
957 CONST DWORD *point_reps_ptr = NULL;
958 DWORD *id_point_reps = NULL;
960 TRACE("(%p)->(%p,%p)\n", This, point_reps, adjacency);
962 if (!adjacency) return D3DERR_INVALIDCALL;
964 if (!point_reps) /* Identity point reps */
966 id_point_reps = generate_identity_point_reps(num_vertices);
973 point_reps_ptr = id_point_reps;
977 point_reps_ptr = point_reps;
980 hr = iface->lpVtbl->LockIndexBuffer(iface, D3DLOCK_READONLY, &ib_ptr);
981 if (FAILED(hr)) goto cleanup;
983 if (indices_are_16_bit)
985 /* Widen 16 bit to 32 bit */
987 WORD *ib_16bit = ib_ptr;
988 ib = HeapAlloc(GetProcessHeap(), 0, 3 * num_faces * sizeof(DWORD));
994 for (i = 0; i < 3 * num_faces; i++)
1004 hr = init_edge_face_map(&edge_face_map, ib, point_reps_ptr, num_faces);
1005 if (FAILED(hr)) goto cleanup;
1007 /* Create adjacency */
1008 for (face = 0; face < num_faces; face++)
1010 for (edge = 0; edge < 3; edge++)
1012 DWORD v1 = ib[3*face + edge];
1013 DWORD v2 = ib[3*face + (edge+1)%3];
1014 DWORD new_v1 = point_reps_ptr[v1];
1015 DWORD new_v2 = point_reps_ptr[v2];
1018 adj_face = find_adjacent_face(&edge_face_map, new_v1, new_v2, num_faces);
1019 adjacency[3*face + edge] = adj_face;
1025 HeapFree(GetProcessHeap(), 0, id_point_reps);
1026 if (indices_are_16_bit) HeapFree(GetProcessHeap(), 0, ib);
1027 HeapFree(GetProcessHeap(), 0, edge_face_map.lists);
1028 HeapFree(GetProcessHeap(), 0, edge_face_map.entries);
1029 if(ib_ptr) iface->lpVtbl->UnlockIndexBuffer(iface);
1033 /* ConvertAdjacencyToPointReps helper function.
1035 * Goes around the edges of each face and replaces the vertices in any adjacent
1036 * face's edge with its own vertices(if its vertices have a lower index). This
1037 * way as few as possible low index vertices are shared among the faces. The
1038 * re-ordered index buffer is stored in new_indices.
1040 * The vertices in a point representation must be ordered sequentially, e.g.
1041 * index 5 holds the index of the vertex that replaces vertex 5, i.e. if
1042 * vertex 5 is replaced by vertex 3 then index 5 would contain 3. If no vertex
1043 * replaces it, then it contains the same number as the index itself, e.g.
1044 * index 5 would contain 5. */
1045 static HRESULT propagate_face_vertices(CONST DWORD *adjacency, DWORD *point_reps,
1046 CONST DWORD *indices, DWORD *new_indices,
1047 CONST DWORD face, CONST DWORD numfaces)
1049 const unsigned int VERTS_PER_FACE = 3;
1050 DWORD edge, opp_edge;
1051 DWORD face_base = VERTS_PER_FACE * face;
1053 for (edge = 0; edge < VERTS_PER_FACE; edge++)
1055 DWORD adj_face = adjacency[face_base + edge];
1056 DWORD adj_face_base;
1058 if (adj_face == -1) /* No adjacent face. */
1060 else if (adj_face >= numfaces)
1062 /* This throws exception on Windows */
1063 WARN("Index out of bounds. Got %d expected less than %d.\n",
1064 adj_face, numfaces);
1065 return D3DERR_INVALIDCALL;
1067 adj_face_base = 3 * adj_face;
1069 /* Find opposite edge in adjacent face. */
1070 for (opp_edge = 0; opp_edge < VERTS_PER_FACE; opp_edge++)
1072 DWORD opp_edge_index = adj_face_base + opp_edge;
1073 if (adjacency[opp_edge_index] == face)
1074 break; /* Found opposite edge. */
1077 /* Replaces vertices in opposite edge with vertices from current edge. */
1078 for (i = 0; i < 2; i++)
1080 DWORD from = face_base + (edge + (1 - i)) % VERTS_PER_FACE;
1081 DWORD to = adj_face_base + (opp_edge + i) % VERTS_PER_FACE;
1083 /* Propagate lowest index. */
1084 if (new_indices[to] > new_indices[from])
1086 new_indices[to] = new_indices[from];
1087 point_reps[indices[to]] = new_indices[from];
1095 static HRESULT WINAPI ID3DXMeshImpl_ConvertAdjacencyToPointReps(ID3DXMesh *iface, CONST DWORD *adjacency, DWORD *point_reps)
1100 DWORD *indices = NULL;
1101 WORD *indices_16bit = NULL;
1102 DWORD *new_indices = NULL;
1103 const unsigned int VERTS_PER_FACE = 3;
1105 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
1107 TRACE("(%p)->(%p,%p)\n", This, adjacency, point_reps);
1111 WARN("NULL adjacency.\n");
1112 hr = D3DERR_INVALIDCALL;
1118 WARN("NULL point_reps.\n");
1119 hr = D3DERR_INVALIDCALL;
1123 /* Should never happen as CreateMesh does not allow meshes with 0 faces */
1124 if (This->numfaces == 0)
1126 ERR("Number of faces was zero.\n");
1127 hr = D3DERR_INVALIDCALL;
1131 new_indices = HeapAlloc(GetProcessHeap(), 0, VERTS_PER_FACE * This->numfaces * sizeof(*indices));
1138 if (This->options & D3DXMESH_32BIT)
1140 hr = iface->lpVtbl->LockIndexBuffer(iface, D3DLOCK_READONLY, (void**)&indices);
1141 if (FAILED(hr)) goto cleanup;
1142 memcpy(new_indices, indices, VERTS_PER_FACE * This->numfaces * sizeof(*indices));
1146 /* Make a widening copy of indices_16bit into indices and new_indices
1147 * in order to re-use the helper function */
1148 hr = iface->lpVtbl->LockIndexBuffer(iface, D3DLOCK_READONLY, (void**)&indices_16bit);
1149 if (FAILED(hr)) goto cleanup;
1150 indices = HeapAlloc(GetProcessHeap(), 0, VERTS_PER_FACE * This->numfaces * sizeof(*indices));
1156 for (i = 0; i < VERTS_PER_FACE * This->numfaces; i++)
1158 new_indices[i] = indices_16bit[i];
1159 indices[i] = indices_16bit[i];
1163 /* Vertices are ordered sequentially in the point representation. */
1164 for (i = 0; i < This->numvertices; i++)
1169 /* Propagate vertices with low indices so as few vertices as possible
1170 * are used in the mesh.
1172 for (face = 0; face < This->numfaces; face++)
1174 hr = propagate_face_vertices(adjacency, point_reps, indices, new_indices, face, This->numfaces);
1175 if (FAILED(hr)) goto cleanup;
1177 /* Go in opposite direction to catch all face orderings */
1178 for (face = 0; face < This->numfaces; face++)
1180 hr = propagate_face_vertices(adjacency, point_reps,
1181 indices, new_indices,
1182 (This->numfaces - 1) - face, This->numfaces);
1183 if (FAILED(hr)) goto cleanup;
1188 if (This->options & D3DXMESH_32BIT)
1190 if (indices) iface->lpVtbl->UnlockIndexBuffer(iface);
1194 if (indices_16bit) iface->lpVtbl->UnlockIndexBuffer(iface);
1195 HeapFree(GetProcessHeap(), 0, indices);
1197 HeapFree(GetProcessHeap(), 0, new_indices);
1201 struct vertex_metadata {
1204 DWORD first_shared_index;
1207 static int compare_vertex_keys(const void *a, const void *b)
1209 const struct vertex_metadata *left = a;
1210 const struct vertex_metadata *right = b;
1211 if (left->key == right->key)
1213 return left->key < right->key ? -1 : 1;
1216 static HRESULT WINAPI ID3DXMeshImpl_GenerateAdjacency(ID3DXMesh *iface, FLOAT epsilon, DWORD *adjacency)
1218 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
1220 BYTE *vertices = NULL;
1221 const DWORD *indices = NULL;
1224 /* sort the vertices by (x + y + z) to quickly find coincident vertices */
1225 struct vertex_metadata *sorted_vertices;
1226 /* shared_indices links together identical indices in the index buffer so
1227 * that adjacency checks can be limited to faces sharing a vertex */
1228 DWORD *shared_indices = NULL;
1229 const FLOAT epsilon_sq = epsilon * epsilon;
1232 TRACE("(%p)->(%f,%p)\n", This, epsilon, adjacency);
1235 return D3DERR_INVALIDCALL;
1237 buffer_size = This->numfaces * 3 * sizeof(*shared_indices) + This->numvertices * sizeof(*sorted_vertices);
1238 if (!(This->options & D3DXMESH_32BIT))
1239 buffer_size += This->numfaces * 3 * sizeof(*indices);
1240 shared_indices = HeapAlloc(GetProcessHeap(), 0, buffer_size);
1241 if (!shared_indices)
1242 return E_OUTOFMEMORY;
1243 sorted_vertices = (struct vertex_metadata*)(shared_indices + This->numfaces * 3);
1245 hr = iface->lpVtbl->LockVertexBuffer(iface, D3DLOCK_READONLY, (void**)&vertices);
1246 if (FAILED(hr)) goto cleanup;
1247 hr = iface->lpVtbl->LockIndexBuffer(iface, D3DLOCK_READONLY, (void**)&indices);
1248 if (FAILED(hr)) goto cleanup;
1250 if (!(This->options & D3DXMESH_32BIT)) {
1251 const WORD *word_indices = (const WORD*)indices;
1252 DWORD *dword_indices = (DWORD*)(sorted_vertices + This->numvertices);
1253 indices = dword_indices;
1254 for (i = 0; i < This->numfaces * 3; i++)
1255 *dword_indices++ = *word_indices++;
1258 vertex_size = iface->lpVtbl->GetNumBytesPerVertex(iface);
1259 for (i = 0; i < This->numvertices; i++) {
1260 D3DXVECTOR3 *vertex = (D3DXVECTOR3*)(vertices + vertex_size * i);
1261 sorted_vertices[i].first_shared_index = -1;
1262 sorted_vertices[i].key = vertex->x + vertex->y + vertex->z;
1263 sorted_vertices[i].vertex_index = i;
1265 for (i = 0; i < This->numfaces * 3; i++) {
1266 DWORD *first_shared_index = &sorted_vertices[indices[i]].first_shared_index;
1267 shared_indices[i] = *first_shared_index;
1268 *first_shared_index = i;
1271 qsort(sorted_vertices, This->numvertices, sizeof(*sorted_vertices), compare_vertex_keys);
1273 for (i = 0; i < This->numvertices; i++) {
1274 struct vertex_metadata *sorted_vertex_a = &sorted_vertices[i];
1275 D3DXVECTOR3 *vertex_a = (D3DXVECTOR3*)(vertices + sorted_vertex_a->vertex_index * vertex_size);
1276 DWORD shared_index_a = sorted_vertex_a->first_shared_index;
1278 while (shared_index_a != -1) {
1280 DWORD shared_index_b = shared_indices[shared_index_a];
1281 struct vertex_metadata *sorted_vertex_b = sorted_vertex_a;
1284 while (shared_index_b != -1) {
1285 /* faces are adjacent if they have another coincident vertex */
1286 DWORD base_a = (shared_index_a / 3) * 3;
1287 DWORD base_b = (shared_index_b / 3) * 3;
1288 BOOL adjacent = FALSE;
1291 for (k = 0; k < 3; k++) {
1292 if (adjacency[base_b + k] == shared_index_a / 3) {
1298 for (k = 1; k <= 2; k++) {
1299 DWORD vertex_index_a = base_a + (shared_index_a + k) % 3;
1300 DWORD vertex_index_b = base_b + (shared_index_b + (3 - k)) % 3;
1301 adjacent = indices[vertex_index_a] == indices[vertex_index_b];
1302 if (!adjacent && epsilon >= 0.0f) {
1303 D3DXVECTOR3 delta = {0.0f, 0.0f, 0.0f};
1306 D3DXVec3Subtract(&delta,
1307 (D3DXVECTOR3*)(vertices + indices[vertex_index_a] * vertex_size),
1308 (D3DXVECTOR3*)(vertices + indices[vertex_index_b] * vertex_size));
1309 length_sq = D3DXVec3LengthSq(&delta);
1310 adjacent = epsilon == 0.0f ? length_sq == 0.0f : length_sq < epsilon_sq;
1313 DWORD adj_a = base_a + 2 - (vertex_index_a + shared_index_a + 1) % 3;
1314 DWORD adj_b = base_b + 2 - (vertex_index_b + shared_index_b + 1) % 3;
1315 if (adjacency[adj_a] == -1 && adjacency[adj_b] == -1) {
1316 adjacency[adj_a] = base_b / 3;
1317 adjacency[adj_b] = base_a / 3;
1324 shared_index_b = shared_indices[shared_index_b];
1326 while (++j < This->numvertices) {
1327 D3DXVECTOR3 *vertex_b;
1330 if (sorted_vertex_b->key - sorted_vertex_a->key > epsilon * 3.0f) {
1331 /* no more coincident vertices to try */
1332 j = This->numvertices;
1335 /* check for coincidence */
1336 vertex_b = (D3DXVECTOR3*)(vertices + sorted_vertex_b->vertex_index * vertex_size);
1337 if (fabsf(vertex_a->x - vertex_b->x) <= epsilon &&
1338 fabsf(vertex_a->y - vertex_b->y) <= epsilon &&
1339 fabsf(vertex_a->z - vertex_b->z) <= epsilon)
1344 if (j >= This->numvertices)
1346 shared_index_b = sorted_vertex_b->first_shared_index;
1349 sorted_vertex_a->first_shared_index = shared_indices[sorted_vertex_a->first_shared_index];
1350 shared_index_a = sorted_vertex_a->first_shared_index;
1356 if (indices) iface->lpVtbl->UnlockIndexBuffer(iface);
1357 if (vertices) iface->lpVtbl->UnlockVertexBuffer(iface);
1358 HeapFree(GetProcessHeap(), 0, shared_indices);
1362 static HRESULT WINAPI ID3DXMeshImpl_UpdateSemantics(ID3DXMesh *iface, D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE])
1365 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
1366 UINT vertex_declaration_size;
1369 TRACE("(%p)->(%p)\n", This, declaration);
1373 WARN("Invalid declaration. Can't use NULL declaration.\n");
1374 return D3DERR_INVALIDCALL;
1377 /* New declaration must be same size as original */
1378 vertex_declaration_size = D3DXGetDeclVertexSize(declaration, declaration[0].Stream);
1379 if (vertex_declaration_size != This->vertex_declaration_size)
1381 WARN("Invalid declaration. New vertex size does not match the original vertex size.\n");
1382 return D3DERR_INVALIDCALL;
1385 /* New declaration must not contain non-zero Stream value */
1386 for (i = 0; declaration[i].Stream != 0xff; i++)
1388 if (declaration[i].Stream != 0)
1390 WARN("Invalid declaration. New declaration contains non-zero Stream value.\n");
1391 return D3DERR_INVALIDCALL;
1395 This->num_elem = i + 1;
1396 copy_declaration(This->cached_declaration, declaration, This->num_elem);
1398 if (This->vertex_declaration)
1399 IDirect3DVertexDeclaration9_Release(This->vertex_declaration);
1401 /* An application can pass an invalid declaration to UpdateSemantics and
1402 * still expect D3D_OK (see tests). If the declaration is invalid, then
1403 * subsequent calls to DrawSubset will fail. This is handled by setting the
1404 * vertex declaration to NULL.
1405 * GetDeclaration, GetNumBytesPerVertex must, however, use the new
1406 * invalid declaration. This is handled by them using the cached vertex
1407 * declaration instead of the actual vertex declaration.
1409 hr = IDirect3DDevice9_CreateVertexDeclaration(This->device,
1411 &This->vertex_declaration);
1414 WARN("Using invalid declaration. Calls to DrawSubset will fail.\n");
1415 This->vertex_declaration = NULL;
1422 static HRESULT WINAPI ID3DXMeshImpl_LockAttributeBuffer(ID3DXMesh *iface, DWORD flags, DWORD **data)
1424 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
1426 TRACE("(%p)->(%u,%p)\n", This, flags, data);
1428 InterlockedIncrement(&This->attrib_buffer_lock_count);
1430 if (!(flags & D3DLOCK_READONLY)) {
1431 D3DXATTRIBUTERANGE *attrib_table = This->attrib_table;
1432 This->attrib_table_size = 0;
1433 This->attrib_table = NULL;
1434 HeapFree(GetProcessHeap(), 0, attrib_table);
1437 *data = This->attrib_buffer;
1442 static HRESULT WINAPI ID3DXMeshImpl_UnlockAttributeBuffer(ID3DXMesh *iface)
1444 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
1447 TRACE("(%p)\n", This);
1449 lock_count = InterlockedDecrement(&This->attrib_buffer_lock_count);
1451 if (lock_count < 0) {
1452 InterlockedIncrement(&This->attrib_buffer_lock_count);
1453 return D3DERR_INVALIDCALL;
1459 static HRESULT WINAPI ID3DXMeshImpl_Optimize(ID3DXMesh *iface, DWORD flags, CONST DWORD *adjacency_in, DWORD *adjacency_out,
1460 DWORD *face_remap, LPD3DXBUFFER *vertex_remap, LPD3DXMESH *opt_mesh)
1462 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
1464 D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE] = { D3DDECL_END() };
1465 ID3DXMesh *optimized_mesh;
1467 TRACE("(%p)->(%x,%p,%p,%p,%p,%p)\n", This, flags, adjacency_in, adjacency_out, face_remap, vertex_remap, opt_mesh);
1470 return D3DERR_INVALIDCALL;
1472 hr = iface->lpVtbl->GetDeclaration(iface, declaration);
1473 if (FAILED(hr)) return hr;
1475 hr = iface->lpVtbl->CloneMesh(iface, This->options, declaration, This->device, &optimized_mesh);
1476 if (FAILED(hr)) return hr;
1478 hr = optimized_mesh->lpVtbl->OptimizeInplace(optimized_mesh, flags, adjacency_in, adjacency_out, face_remap, vertex_remap);
1480 *opt_mesh = optimized_mesh;
1482 IUnknown_Release(optimized_mesh);
1486 /* Creates a vertex_remap that removes unused vertices.
1487 * Indices are updated according to the vertex_remap. */
1488 static HRESULT compact_mesh(ID3DXMeshImpl *This, DWORD *indices, DWORD *new_num_vertices, ID3DXBuffer **vertex_remap)
1491 DWORD *vertex_remap_ptr;
1492 DWORD num_used_vertices;
1495 hr = D3DXCreateBuffer(This->numvertices * sizeof(DWORD), vertex_remap);
1496 if (FAILED(hr)) return hr;
1497 vertex_remap_ptr = ID3DXBuffer_GetBufferPointer(*vertex_remap);
1499 for (i = 0; i < This->numfaces * 3; i++)
1500 vertex_remap_ptr[indices[i]] = 1;
1502 /* create old->new vertex mapping */
1503 num_used_vertices = 0;
1504 for (i = 0; i < This->numvertices; i++) {
1505 if (vertex_remap_ptr[i])
1506 vertex_remap_ptr[i] = num_used_vertices++;
1508 vertex_remap_ptr[i] = -1;
1510 /* convert indices */
1511 for (i = 0; i < This->numfaces * 3; i++)
1512 indices[i] = vertex_remap_ptr[indices[i]];
1514 /* create new->old vertex mapping */
1515 num_used_vertices = 0;
1516 for (i = 0; i < This->numvertices; i++) {
1517 if (vertex_remap_ptr[i] != -1)
1518 vertex_remap_ptr[num_used_vertices++] = i;
1520 for (i = num_used_vertices; i < This->numvertices; i++)
1521 vertex_remap_ptr[i] = -1;
1523 *new_num_vertices = num_used_vertices;
1528 /* count the number of unique attribute values in a sorted attribute buffer */
1529 static DWORD count_attributes(const DWORD *attrib_buffer, DWORD numfaces)
1531 DWORD last_attribute = attrib_buffer[0];
1532 DWORD attrib_table_size = 1;
1534 for (i = 1; i < numfaces; i++) {
1535 if (attrib_buffer[i] != last_attribute) {
1536 last_attribute = attrib_buffer[i];
1537 attrib_table_size++;
1540 return attrib_table_size;
1543 static void fill_attribute_table(DWORD *attrib_buffer, DWORD numfaces, void *indices,
1544 BOOL is_32bit_indices, D3DXATTRIBUTERANGE *attrib_table)
1546 DWORD attrib_table_size = 0;
1547 DWORD last_attribute = attrib_buffer[0];
1548 DWORD min_vertex, max_vertex;
1551 attrib_table[0].AttribId = last_attribute;
1552 attrib_table[0].FaceStart = 0;
1553 min_vertex = (DWORD)-1;
1555 for (i = 0; i < numfaces; i++) {
1558 if (attrib_buffer[i] != last_attribute) {
1559 last_attribute = attrib_buffer[i];
1560 attrib_table[attrib_table_size].FaceCount = i - attrib_table[attrib_table_size].FaceStart;
1561 attrib_table[attrib_table_size].VertexStart = min_vertex;
1562 attrib_table[attrib_table_size].VertexCount = max_vertex - min_vertex + 1;
1563 attrib_table_size++;
1564 attrib_table[attrib_table_size].AttribId = attrib_buffer[i];
1565 attrib_table[attrib_table_size].FaceStart = i;
1566 min_vertex = (DWORD)-1;
1569 for (j = 0; j < 3; j++) {
1570 DWORD vertex_index = is_32bit_indices ? ((DWORD*)indices)[i * 3 + j] : ((WORD*)indices)[i * 3 + j];
1571 if (vertex_index < min_vertex)
1572 min_vertex = vertex_index;
1573 if (vertex_index > max_vertex)
1574 max_vertex = vertex_index;
1577 attrib_table[attrib_table_size].FaceCount = i - attrib_table[attrib_table_size].FaceStart;
1578 attrib_table[attrib_table_size].VertexStart = min_vertex;
1579 attrib_table[attrib_table_size].VertexCount = max_vertex - min_vertex + 1;
1580 attrib_table_size++;
1583 static int attrib_entry_compare(const DWORD **a, const DWORD **b)
1585 const DWORD *ptr_a = *a;
1586 const DWORD *ptr_b = *b;
1587 int delta = *ptr_a - *ptr_b;
1592 delta = ptr_a - ptr_b; /* for stable sort */
1596 /* Create face_remap, a new attribute buffer for attribute sort optimization. */
1597 static HRESULT remap_faces_for_attrsort(ID3DXMeshImpl *This, const DWORD *indices,
1598 const DWORD *attrib_buffer, DWORD **sorted_attrib_buffer, DWORD **face_remap)
1600 const DWORD **sorted_attrib_ptr_buffer = NULL;
1603 *face_remap = HeapAlloc(GetProcessHeap(), 0, This->numfaces * sizeof(**face_remap));
1604 sorted_attrib_ptr_buffer = HeapAlloc(GetProcessHeap(), 0, This->numfaces * sizeof(*sorted_attrib_ptr_buffer));
1605 if (!*face_remap || !sorted_attrib_ptr_buffer) {
1606 HeapFree(GetProcessHeap(), 0, sorted_attrib_ptr_buffer);
1607 return E_OUTOFMEMORY;
1609 for (i = 0; i < This->numfaces; i++)
1610 sorted_attrib_ptr_buffer[i] = &attrib_buffer[i];
1611 qsort(sorted_attrib_ptr_buffer, This->numfaces, sizeof(*sorted_attrib_ptr_buffer),
1612 (int(*)(const void *, const void *))attrib_entry_compare);
1614 for (i = 0; i < This->numfaces; i++)
1616 DWORD old_face = sorted_attrib_ptr_buffer[i] - attrib_buffer;
1617 (*face_remap)[old_face] = i;
1620 /* overwrite sorted_attrib_ptr_buffer with the values themselves */
1621 *sorted_attrib_buffer = (DWORD*)sorted_attrib_ptr_buffer;
1622 for (i = 0; i < This->numfaces; i++)
1623 (*sorted_attrib_buffer)[(*face_remap)[i]] = attrib_buffer[i];
1628 static HRESULT WINAPI ID3DXMeshImpl_OptimizeInplace(ID3DXMesh *iface, DWORD flags, CONST DWORD *adjacency_in, DWORD *adjacency_out,
1629 DWORD *face_remap_out, LPD3DXBUFFER *vertex_remap_out)
1631 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
1632 void *indices = NULL;
1633 DWORD *attrib_buffer = NULL;
1635 ID3DXBuffer *vertex_remap = NULL;
1636 DWORD *face_remap = NULL; /* old -> new mapping */
1637 DWORD *dword_indices = NULL;
1638 DWORD new_num_vertices = 0;
1639 DWORD new_num_alloc_vertices = 0;
1640 IDirect3DVertexBuffer9 *vertex_buffer = NULL;
1641 DWORD *sorted_attrib_buffer = NULL;
1644 TRACE("(%p)->(%x,%p,%p,%p,%p)\n", This, flags, adjacency_in, adjacency_out, face_remap_out, vertex_remap_out);
1647 return D3DERR_INVALIDCALL;
1648 if (!adjacency_in && (flags & (D3DXMESHOPT_VERTEXCACHE | D3DXMESHOPT_STRIPREORDER)))
1649 return D3DERR_INVALIDCALL;
1650 if ((flags & (D3DXMESHOPT_VERTEXCACHE | D3DXMESHOPT_STRIPREORDER)) == (D3DXMESHOPT_VERTEXCACHE | D3DXMESHOPT_STRIPREORDER))
1651 return D3DERR_INVALIDCALL;
1653 if (flags & (D3DXMESHOPT_VERTEXCACHE | D3DXMESHOPT_STRIPREORDER))
1655 if (flags & D3DXMESHOPT_VERTEXCACHE)
1656 FIXME("D3DXMESHOPT_VERTEXCACHE not implemented.\n");
1657 if (flags & D3DXMESHOPT_STRIPREORDER)
1658 FIXME("D3DXMESHOPT_STRIPREORDER not implemented.\n");
1662 hr = iface->lpVtbl->LockIndexBuffer(iface, 0, &indices);
1663 if (FAILED(hr)) goto cleanup;
1665 dword_indices = HeapAlloc(GetProcessHeap(), 0, This->numfaces * 3 * sizeof(DWORD));
1666 if (!dword_indices) return E_OUTOFMEMORY;
1667 if (This->options & D3DXMESH_32BIT) {
1668 memcpy(dword_indices, indices, This->numfaces * 3 * sizeof(DWORD));
1670 WORD *word_indices = indices;
1671 for (i = 0; i < This->numfaces * 3; i++)
1672 dword_indices[i] = *word_indices++;
1675 if ((flags & (D3DXMESHOPT_COMPACT | D3DXMESHOPT_IGNOREVERTS | D3DXMESHOPT_ATTRSORT)) == D3DXMESHOPT_COMPACT)
1677 new_num_alloc_vertices = This->numvertices;
1678 hr = compact_mesh(This, dword_indices, &new_num_vertices, &vertex_remap);
1679 if (FAILED(hr)) goto cleanup;
1680 } else if (flags & D3DXMESHOPT_ATTRSORT) {
1681 if (!(flags & D3DXMESHOPT_IGNOREVERTS))
1683 FIXME("D3DXMESHOPT_ATTRSORT vertex reordering not implemented.\n");
1688 hr = iface->lpVtbl->LockAttributeBuffer(iface, 0, &attrib_buffer);
1689 if (FAILED(hr)) goto cleanup;
1691 hr = remap_faces_for_attrsort(This, dword_indices, attrib_buffer, &sorted_attrib_buffer, &face_remap);
1692 if (FAILED(hr)) goto cleanup;
1697 /* reorder the vertices using vertex_remap */
1698 D3DVERTEXBUFFER_DESC vertex_desc;
1699 DWORD *vertex_remap_ptr = ID3DXBuffer_GetBufferPointer(vertex_remap);
1700 DWORD vertex_size = iface->lpVtbl->GetNumBytesPerVertex(iface);
1701 BYTE *orig_vertices;
1704 hr = IDirect3DVertexBuffer9_GetDesc(This->vertex_buffer, &vertex_desc);
1705 if (FAILED(hr)) goto cleanup;
1707 hr = IDirect3DDevice9_CreateVertexBuffer(This->device, new_num_alloc_vertices * vertex_size,
1708 vertex_desc.Usage, This->fvf, vertex_desc.Pool, &vertex_buffer, NULL);
1709 if (FAILED(hr)) goto cleanup;
1711 hr = IDirect3DVertexBuffer9_Lock(This->vertex_buffer, 0, 0, (void**)&orig_vertices, D3DLOCK_READONLY);
1712 if (FAILED(hr)) goto cleanup;
1714 hr = IDirect3DVertexBuffer9_Lock(vertex_buffer, 0, 0, (void**)&new_vertices, 0);
1716 IDirect3DVertexBuffer9_Unlock(This->vertex_buffer);
1720 for (i = 0; i < new_num_vertices; i++)
1721 memcpy(new_vertices + i * vertex_size, orig_vertices + vertex_remap_ptr[i] * vertex_size, vertex_size);
1723 IDirect3DVertexBuffer9_Unlock(This->vertex_buffer);
1724 IDirect3DVertexBuffer9_Unlock(vertex_buffer);
1725 } else if (vertex_remap_out) {
1726 DWORD *vertex_remap_ptr;
1728 hr = D3DXCreateBuffer(This->numvertices * sizeof(DWORD), &vertex_remap);
1729 if (FAILED(hr)) goto cleanup;
1730 vertex_remap_ptr = ID3DXBuffer_GetBufferPointer(vertex_remap);
1731 for (i = 0; i < This->numvertices; i++)
1732 *vertex_remap_ptr++ = i;
1735 if (flags & D3DXMESHOPT_ATTRSORT)
1737 D3DXATTRIBUTERANGE *attrib_table;
1738 DWORD attrib_table_size;
1740 attrib_table_size = count_attributes(sorted_attrib_buffer, This->numfaces);
1741 attrib_table = HeapAlloc(GetProcessHeap(), 0, attrib_table_size * sizeof(*attrib_table));
1742 if (!attrib_table) {
1747 memcpy(attrib_buffer, sorted_attrib_buffer, This->numfaces * sizeof(*attrib_buffer));
1749 /* reorder the indices using face_remap */
1750 if (This->options & D3DXMESH_32BIT) {
1751 for (i = 0; i < This->numfaces; i++)
1752 memcpy((DWORD*)indices + face_remap[i] * 3, dword_indices + i * 3, 3 * sizeof(DWORD));
1754 WORD *word_indices = indices;
1755 for (i = 0; i < This->numfaces; i++) {
1756 DWORD new_pos = face_remap[i] * 3;
1757 DWORD old_pos = i * 3;
1758 word_indices[new_pos++] = dword_indices[old_pos++];
1759 word_indices[new_pos++] = dword_indices[old_pos++];
1760 word_indices[new_pos] = dword_indices[old_pos];
1764 fill_attribute_table(attrib_buffer, This->numfaces, indices,
1765 This->options & D3DXMESH_32BIT, attrib_table);
1767 HeapFree(GetProcessHeap(), 0, This->attrib_table);
1768 This->attrib_table = attrib_table;
1769 This->attrib_table_size = attrib_table_size;
1771 if (This->options & D3DXMESH_32BIT) {
1772 memcpy(indices, dword_indices, This->numfaces * 3 * sizeof(DWORD));
1774 WORD *word_indices = indices;
1775 for (i = 0; i < This->numfaces * 3; i++)
1776 *word_indices++ = dword_indices[i];
1780 if (adjacency_out) {
1782 for (i = 0; i < This->numfaces; i++) {
1783 DWORD old_pos = i * 3;
1784 DWORD new_pos = face_remap[i] * 3;
1785 adjacency_out[new_pos++] = face_remap[adjacency_in[old_pos++]];
1786 adjacency_out[new_pos++] = face_remap[adjacency_in[old_pos++]];
1787 adjacency_out[new_pos++] = face_remap[adjacency_in[old_pos++]];
1790 memcpy(adjacency_out, adjacency_in, This->numfaces * 3 * sizeof(*adjacency_out));
1793 if (face_remap_out) {
1795 for (i = 0; i < This->numfaces; i++)
1796 face_remap_out[face_remap[i]] = i;
1798 for (i = 0; i < This->numfaces; i++)
1799 face_remap_out[i] = i;
1802 if (vertex_remap_out)
1803 *vertex_remap_out = vertex_remap;
1804 vertex_remap = NULL;
1806 if (vertex_buffer) {
1807 IDirect3DVertexBuffer9_Release(This->vertex_buffer);
1808 This->vertex_buffer = vertex_buffer;
1809 vertex_buffer = NULL;
1810 This->numvertices = new_num_vertices;
1815 HeapFree(GetProcessHeap(), 0, sorted_attrib_buffer);
1816 HeapFree(GetProcessHeap(), 0, face_remap);
1817 HeapFree(GetProcessHeap(), 0, dword_indices);
1818 if (vertex_remap) ID3DXBuffer_Release(vertex_remap);
1819 if (vertex_buffer) IDirect3DVertexBuffer9_Release(vertex_buffer);
1820 if (attrib_buffer) iface->lpVtbl->UnlockAttributeBuffer(iface);
1821 if (indices) iface->lpVtbl->UnlockIndexBuffer(iface);
1825 static HRESULT WINAPI ID3DXMeshImpl_SetAttributeTable(ID3DXMesh *iface, CONST D3DXATTRIBUTERANGE *attrib_table, DWORD attrib_table_size)
1827 ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
1828 D3DXATTRIBUTERANGE *new_table = NULL;
1830 TRACE("(%p)->(%p,%u)\n", This, attrib_table, attrib_table_size);
1832 if (attrib_table_size) {
1833 size_t size = attrib_table_size * sizeof(*attrib_table);
1835 new_table = HeapAlloc(GetProcessHeap(), 0, size);
1837 return E_OUTOFMEMORY;
1839 CopyMemory(new_table, attrib_table, size);
1840 } else if (attrib_table) {
1841 return D3DERR_INVALIDCALL;
1843 HeapFree(GetProcessHeap(), 0, This->attrib_table);
1844 This->attrib_table = new_table;
1845 This->attrib_table_size = attrib_table_size;
1850 static const struct ID3DXMeshVtbl D3DXMesh_Vtbl =
1852 /*** IUnknown methods ***/
1853 ID3DXMeshImpl_QueryInterface,
1854 ID3DXMeshImpl_AddRef,
1855 ID3DXMeshImpl_Release,
1856 /*** ID3DXBaseMesh ***/
1857 ID3DXMeshImpl_DrawSubset,
1858 ID3DXMeshImpl_GetNumFaces,
1859 ID3DXMeshImpl_GetNumVertices,
1860 ID3DXMeshImpl_GetFVF,
1861 ID3DXMeshImpl_GetDeclaration,
1862 ID3DXMeshImpl_GetNumBytesPerVertex,
1863 ID3DXMeshImpl_GetOptions,
1864 ID3DXMeshImpl_GetDevice,
1865 ID3DXMeshImpl_CloneMeshFVF,
1866 ID3DXMeshImpl_CloneMesh,
1867 ID3DXMeshImpl_GetVertexBuffer,
1868 ID3DXMeshImpl_GetIndexBuffer,
1869 ID3DXMeshImpl_LockVertexBuffer,
1870 ID3DXMeshImpl_UnlockVertexBuffer,
1871 ID3DXMeshImpl_LockIndexBuffer,
1872 ID3DXMeshImpl_UnlockIndexBuffer,
1873 ID3DXMeshImpl_GetAttributeTable,
1874 ID3DXMeshImpl_ConvertPointRepsToAdjacency,
1875 ID3DXMeshImpl_ConvertAdjacencyToPointReps,
1876 ID3DXMeshImpl_GenerateAdjacency,
1877 ID3DXMeshImpl_UpdateSemantics,
1879 ID3DXMeshImpl_LockAttributeBuffer,
1880 ID3DXMeshImpl_UnlockAttributeBuffer,
1881 ID3DXMeshImpl_Optimize,
1882 ID3DXMeshImpl_OptimizeInplace,
1883 ID3DXMeshImpl_SetAttributeTable
1886 /*************************************************************************
1889 BOOL WINAPI D3DXBoxBoundProbe(CONST D3DXVECTOR3 *pmin, CONST D3DXVECTOR3 *pmax, CONST D3DXVECTOR3 *prayposition, CONST D3DXVECTOR3 *praydirection)
1891 /* Algorithm taken from the article: An Efficient and Robust Ray-Box Intersection Algorithm
1892 Amy Williams University of Utah
1893 Steve Barrus University of Utah
1894 R. Keith Morley University of Utah
1895 Peter Shirley University of Utah
1897 International Conference on Computer Graphics and Interactive Techniques archive
1898 ACM SIGGRAPH 2005 Courses
1899 Los Angeles, California
1901 This algorithm is free of patents or of copyrights, as confirmed by Peter Shirley himself.
1903 Algorithm: Consider the box as the intersection of three slabs. Clip the ray
1904 against each slab, if there's anything left of the ray after we're
1905 done we've got an intersection of the ray with the box.
1909 FLOAT div, tmin, tmax, tymin, tymax, tzmin, tzmax;
1911 div = 1.0f / praydirection->x;
1914 tmin = ( pmin->x - prayposition->x ) * div;
1915 tmax = ( pmax->x - prayposition->x ) * div;
1919 tmin = ( pmax->x - prayposition->x ) * div;
1920 tmax = ( pmin->x - prayposition->x ) * div;
1923 if ( tmax < 0.0f ) return FALSE;
1925 div = 1.0f / praydirection->y;
1928 tymin = ( pmin->y - prayposition->y ) * div;
1929 tymax = ( pmax->y - prayposition->y ) * div;
1933 tymin = ( pmax->y - prayposition->y ) * div;
1934 tymax = ( pmin->y - prayposition->y ) * div;
1937 if ( ( tymax < 0.0f ) || ( tmin > tymax ) || ( tymin > tmax ) ) return FALSE;
1939 if ( tymin > tmin ) tmin = tymin;
1940 if ( tymax < tmax ) tmax = tymax;
1942 div = 1.0f / praydirection->z;
1945 tzmin = ( pmin->z - prayposition->z ) * div;
1946 tzmax = ( pmax->z - prayposition->z ) * div;
1950 tzmin = ( pmax->z - prayposition->z ) * div;
1951 tzmax = ( pmin->z - prayposition->z ) * div;
1954 if ( (tzmax < 0.0f ) || ( tmin > tzmax ) || ( tzmin > tmax ) ) return FALSE;
1959 /*************************************************************************
1960 * D3DXComputeBoundingBox
1962 HRESULT WINAPI D3DXComputeBoundingBox(CONST D3DXVECTOR3 *pfirstposition, DWORD numvertices, DWORD dwstride, D3DXVECTOR3 *pmin, D3DXVECTOR3 *pmax)
1967 if( !pfirstposition || !pmin || !pmax ) return D3DERR_INVALIDCALL;
1969 *pmin = *pfirstposition;
1972 for(i=0; i<numvertices; i++)
1974 vec = *( (const D3DXVECTOR3*)((const char*)pfirstposition + dwstride * i) );
1976 if ( vec.x < pmin->x ) pmin->x = vec.x;
1977 if ( vec.x > pmax->x ) pmax->x = vec.x;
1979 if ( vec.y < pmin->y ) pmin->y = vec.y;
1980 if ( vec.y > pmax->y ) pmax->y = vec.y;
1982 if ( vec.z < pmin->z ) pmin->z = vec.z;
1983 if ( vec.z > pmax->z ) pmax->z = vec.z;
1989 /*************************************************************************
1990 * D3DXComputeBoundingSphere
1992 HRESULT WINAPI D3DXComputeBoundingSphere(CONST D3DXVECTOR3* pfirstposition, DWORD numvertices, DWORD dwstride, D3DXVECTOR3 *pcenter, FLOAT *pradius)
1994 D3DXVECTOR3 temp, temp1;
1998 if( !pfirstposition || !pcenter || !pradius ) return D3DERR_INVALIDCALL;
2006 for(i=0; i<numvertices; i++)
2008 D3DXVec3Add(&temp1, &temp, (const D3DXVECTOR3*)((const char*)pfirstposition + dwstride * i));
2012 D3DXVec3Scale(pcenter, &temp, 1.0f/((FLOAT)numvertices));
2014 for(i=0; i<numvertices; i++)
2016 d = D3DXVec3Length(D3DXVec3Subtract(&temp, (const D3DXVECTOR3*)((const char*)pfirstposition + dwstride * i), pcenter));
2017 if ( d > *pradius ) *pradius = d;
2022 static void append_decl_element(D3DVERTEXELEMENT9 *declaration, UINT *idx, UINT *offset,
2023 D3DDECLTYPE type, D3DDECLUSAGE usage, UINT usage_idx)
2025 declaration[*idx].Stream = 0;
2026 declaration[*idx].Offset = *offset;
2027 declaration[*idx].Type = type;
2028 declaration[*idx].Method = D3DDECLMETHOD_DEFAULT;
2029 declaration[*idx].Usage = usage;
2030 declaration[*idx].UsageIndex = usage_idx;
2032 *offset += d3dx_decltype_size[type];
2036 /*************************************************************************
2037 * D3DXDeclaratorFromFVF
2039 HRESULT WINAPI D3DXDeclaratorFromFVF(DWORD fvf, D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE])
2041 static const D3DVERTEXELEMENT9 end_element = D3DDECL_END();
2042 DWORD tex_count = (fvf & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT;
2043 unsigned int offset = 0;
2044 unsigned int idx = 0;
2047 TRACE("fvf %#x, declaration %p.\n", fvf, declaration);
2049 if (fvf & (D3DFVF_RESERVED0 | D3DFVF_RESERVED2)) return D3DERR_INVALIDCALL;
2051 if (fvf & D3DFVF_POSITION_MASK)
2053 BOOL has_blend = (fvf & D3DFVF_XYZB5) >= D3DFVF_XYZB1;
2054 DWORD blend_count = 1 + (((fvf & D3DFVF_XYZB5) - D3DFVF_XYZB1) >> 1);
2055 BOOL has_blend_idx = (fvf & D3DFVF_LASTBETA_D3DCOLOR) || (fvf & D3DFVF_LASTBETA_UBYTE4);
2057 if (has_blend_idx) --blend_count;
2059 if ((fvf & D3DFVF_POSITION_MASK) == D3DFVF_XYZW
2060 || (has_blend && blend_count > 4))
2061 return D3DERR_INVALIDCALL;
2063 if ((fvf & D3DFVF_POSITION_MASK) == D3DFVF_XYZRHW)
2064 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT4, D3DDECLUSAGE_POSITIONT, 0);
2066 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT3, D3DDECLUSAGE_POSITION, 0);
2070 switch (blend_count)
2075 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT1, D3DDECLUSAGE_BLENDWEIGHT, 0);
2078 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT2, D3DDECLUSAGE_BLENDWEIGHT, 0);
2081 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT3, D3DDECLUSAGE_BLENDWEIGHT, 0);
2084 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT4, D3DDECLUSAGE_BLENDWEIGHT, 0);
2087 ERR("Invalid blend count %u.\n", blend_count);
2093 if (fvf & D3DFVF_LASTBETA_UBYTE4)
2094 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_UBYTE4, D3DDECLUSAGE_BLENDINDICES, 0);
2095 else if (fvf & D3DFVF_LASTBETA_D3DCOLOR)
2096 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_D3DCOLOR, D3DDECLUSAGE_BLENDINDICES, 0);
2101 if (fvf & D3DFVF_NORMAL)
2102 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT3, D3DDECLUSAGE_NORMAL, 0);
2103 if (fvf & D3DFVF_PSIZE)
2104 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT1, D3DDECLUSAGE_PSIZE, 0);
2105 if (fvf & D3DFVF_DIFFUSE)
2106 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_D3DCOLOR, D3DDECLUSAGE_COLOR, 0);
2107 if (fvf & D3DFVF_SPECULAR)
2108 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_D3DCOLOR, D3DDECLUSAGE_COLOR, 1);
2110 for (i = 0; i < tex_count; ++i)
2112 switch ((fvf >> (16 + 2 * i)) & 0x03)
2114 case D3DFVF_TEXTUREFORMAT1:
2115 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT1, D3DDECLUSAGE_TEXCOORD, i);
2117 case D3DFVF_TEXTUREFORMAT2:
2118 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT2, D3DDECLUSAGE_TEXCOORD, i);
2120 case D3DFVF_TEXTUREFORMAT3:
2121 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT3, D3DDECLUSAGE_TEXCOORD, i);
2123 case D3DFVF_TEXTUREFORMAT4:
2124 append_decl_element(declaration, &idx, &offset, D3DDECLTYPE_FLOAT4, D3DDECLUSAGE_TEXCOORD, i);
2129 declaration[idx] = end_element;
2134 /*************************************************************************
2135 * D3DXFVFFromDeclarator
2137 HRESULT WINAPI D3DXFVFFromDeclarator(const D3DVERTEXELEMENT9 *declaration, DWORD *fvf)
2139 unsigned int i = 0, texture, offset;
2141 TRACE("(%p, %p)\n", declaration, fvf);
2144 if (declaration[0].Type == D3DDECLTYPE_FLOAT3 && declaration[0].Usage == D3DDECLUSAGE_POSITION)
2146 if ((declaration[1].Type == D3DDECLTYPE_FLOAT4 && declaration[1].Usage == D3DDECLUSAGE_BLENDWEIGHT &&
2147 declaration[1].UsageIndex == 0) &&
2148 (declaration[2].Type == D3DDECLTYPE_FLOAT1 && declaration[2].Usage == D3DDECLUSAGE_BLENDINDICES &&
2149 declaration[2].UsageIndex == 0))
2151 return D3DERR_INVALIDCALL;
2153 else if ((declaration[1].Type == D3DDECLTYPE_UBYTE4 || declaration[1].Type == D3DDECLTYPE_D3DCOLOR) &&
2154 declaration[1].Usage == D3DDECLUSAGE_BLENDINDICES && declaration[1].UsageIndex == 0)
2156 if (declaration[1].Type == D3DDECLTYPE_UBYTE4)
2158 *fvf |= D3DFVF_XYZB1 | D3DFVF_LASTBETA_UBYTE4;
2162 *fvf |= D3DFVF_XYZB1 | D3DFVF_LASTBETA_D3DCOLOR;
2166 else if (declaration[1].Type <= D3DDECLTYPE_FLOAT4 && declaration[1].Usage == D3DDECLUSAGE_BLENDWEIGHT &&
2167 declaration[1].UsageIndex == 0)
2169 if ((declaration[2].Type == D3DDECLTYPE_UBYTE4 || declaration[2].Type == D3DDECLTYPE_D3DCOLOR) &&
2170 declaration[2].Usage == D3DDECLUSAGE_BLENDINDICES && declaration[2].UsageIndex == 0)
2172 if (declaration[2].Type == D3DDECLTYPE_UBYTE4)
2174 *fvf |= D3DFVF_LASTBETA_UBYTE4;
2178 *fvf |= D3DFVF_LASTBETA_D3DCOLOR;
2180 switch (declaration[1].Type)
2182 case D3DDECLTYPE_FLOAT1: *fvf |= D3DFVF_XYZB2; break;
2183 case D3DDECLTYPE_FLOAT2: *fvf |= D3DFVF_XYZB3; break;
2184 case D3DDECLTYPE_FLOAT3: *fvf |= D3DFVF_XYZB4; break;
2185 case D3DDECLTYPE_FLOAT4: *fvf |= D3DFVF_XYZB5; break;
2191 switch (declaration[1].Type)
2193 case D3DDECLTYPE_FLOAT1: *fvf |= D3DFVF_XYZB1; break;
2194 case D3DDECLTYPE_FLOAT2: *fvf |= D3DFVF_XYZB2; break;
2195 case D3DDECLTYPE_FLOAT3: *fvf |= D3DFVF_XYZB3; break;
2196 case D3DDECLTYPE_FLOAT4: *fvf |= D3DFVF_XYZB4; break;
2207 else if (declaration[0].Type == D3DDECLTYPE_FLOAT4 && declaration[0].Usage == D3DDECLUSAGE_POSITIONT &&
2208 declaration[0].UsageIndex == 0)
2210 *fvf |= D3DFVF_XYZRHW;
2214 if (declaration[i].Type == D3DDECLTYPE_FLOAT3 && declaration[i].Usage == D3DDECLUSAGE_NORMAL)
2216 *fvf |= D3DFVF_NORMAL;
2219 if (declaration[i].Type == D3DDECLTYPE_FLOAT1 && declaration[i].Usage == D3DDECLUSAGE_PSIZE &&
2220 declaration[i].UsageIndex == 0)
2222 *fvf |= D3DFVF_PSIZE;
2225 if (declaration[i].Type == D3DDECLTYPE_D3DCOLOR && declaration[i].Usage == D3DDECLUSAGE_COLOR &&
2226 declaration[i].UsageIndex == 0)
2228 *fvf |= D3DFVF_DIFFUSE;
2231 if (declaration[i].Type == D3DDECLTYPE_D3DCOLOR && declaration[i].Usage == D3DDECLUSAGE_COLOR &&
2232 declaration[i].UsageIndex == 1)
2234 *fvf |= D3DFVF_SPECULAR;
2238 for (texture = 0; texture < D3DDP_MAXTEXCOORD; i++, texture++)
2240 if (declaration[i].Stream == 0xFF)
2244 else if (declaration[i].Type == D3DDECLTYPE_FLOAT1 && declaration[i].Usage == D3DDECLUSAGE_TEXCOORD &&
2245 declaration[i].UsageIndex == texture)
2247 *fvf |= D3DFVF_TEXCOORDSIZE1(declaration[i].UsageIndex);
2249 else if (declaration[i].Type == D3DDECLTYPE_FLOAT2 && declaration[i].Usage == D3DDECLUSAGE_TEXCOORD &&
2250 declaration[i].UsageIndex == texture)
2252 *fvf |= D3DFVF_TEXCOORDSIZE2(declaration[i].UsageIndex);
2254 else if (declaration[i].Type == D3DDECLTYPE_FLOAT3 && declaration[i].Usage == D3DDECLUSAGE_TEXCOORD &&
2255 declaration[i].UsageIndex == texture)
2257 *fvf |= D3DFVF_TEXCOORDSIZE3(declaration[i].UsageIndex);
2259 else if (declaration[i].Type == D3DDECLTYPE_FLOAT4 && declaration[i].Usage == D3DDECLUSAGE_TEXCOORD &&
2260 declaration[i].UsageIndex == texture)
2262 *fvf |= D3DFVF_TEXCOORDSIZE4(declaration[i].UsageIndex);
2266 return D3DERR_INVALIDCALL;
2270 *fvf |= (texture << D3DFVF_TEXCOUNT_SHIFT);
2272 for (offset = 0, i = 0; declaration[i].Stream != 0xFF;
2273 offset += d3dx_decltype_size[declaration[i].Type], i++)
2275 if (declaration[i].Offset != offset)
2277 return D3DERR_INVALIDCALL;
2284 /*************************************************************************
2285 * D3DXGetFVFVertexSize
2287 static UINT Get_TexCoord_Size_From_FVF(DWORD FVF, int tex_num)
2289 return (((((FVF) >> (16 + (2 * (tex_num)))) + 1) & 0x03) + 1);
2292 UINT WINAPI D3DXGetFVFVertexSize(DWORD FVF)
2296 UINT numTextures = (FVF & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT;
2298 if (FVF & D3DFVF_NORMAL) size += sizeof(D3DXVECTOR3);
2299 if (FVF & D3DFVF_DIFFUSE) size += sizeof(DWORD);
2300 if (FVF & D3DFVF_SPECULAR) size += sizeof(DWORD);
2301 if (FVF & D3DFVF_PSIZE) size += sizeof(DWORD);
2303 switch (FVF & D3DFVF_POSITION_MASK)
2305 case D3DFVF_XYZ: size += sizeof(D3DXVECTOR3); break;
2306 case D3DFVF_XYZRHW: size += 4 * sizeof(FLOAT); break;
2307 case D3DFVF_XYZB1: size += 4 * sizeof(FLOAT); break;
2308 case D3DFVF_XYZB2: size += 5 * sizeof(FLOAT); break;
2309 case D3DFVF_XYZB3: size += 6 * sizeof(FLOAT); break;
2310 case D3DFVF_XYZB4: size += 7 * sizeof(FLOAT); break;
2311 case D3DFVF_XYZB5: size += 8 * sizeof(FLOAT); break;
2312 case D3DFVF_XYZW: size += 4 * sizeof(FLOAT); break;
2315 for (i = 0; i < numTextures; i++)
2317 size += Get_TexCoord_Size_From_FVF(FVF, i) * sizeof(FLOAT);
2323 /*************************************************************************
2324 * D3DXGetDeclVertexSize
2326 UINT WINAPI D3DXGetDeclVertexSize(const D3DVERTEXELEMENT9 *decl, DWORD stream_idx)
2328 const D3DVERTEXELEMENT9 *element;
2331 TRACE("decl %p, stream_idx %u\n", decl, stream_idx);
2333 if (!decl) return 0;
2335 for (element = decl; element->Stream != 0xff; ++element)
2339 if (element->Stream != stream_idx) continue;
2341 if (element->Type >= sizeof(d3dx_decltype_size) / sizeof(*d3dx_decltype_size))
2343 FIXME("Unhandled element type %#x, size will be incorrect.\n", element->Type);
2347 type_size = d3dx_decltype_size[element->Type];
2348 if (element->Offset + type_size > size) size = element->Offset + type_size;
2354 /*************************************************************************
2357 UINT WINAPI D3DXGetDeclLength(const D3DVERTEXELEMENT9 *decl)
2359 const D3DVERTEXELEMENT9 *element;
2361 TRACE("decl %p\n", decl);
2363 /* null decl results in exception on Windows XP */
2365 for (element = decl; element->Stream != 0xff; ++element);
2367 return element - decl;
2370 /*************************************************************************
2373 BOOL WINAPI D3DXIntersectTri(CONST D3DXVECTOR3 *p0, CONST D3DXVECTOR3 *p1, CONST D3DXVECTOR3 *p2, CONST D3DXVECTOR3 *praypos, CONST D3DXVECTOR3 *praydir, FLOAT *pu, FLOAT *pv, FLOAT *pdist)
2378 m.u.m[0][0] = p1->x - p0->x;
2379 m.u.m[1][0] = p2->x - p0->x;
2380 m.u.m[2][0] = -praydir->x;
2382 m.u.m[0][1] = p1->y - p0->z;
2383 m.u.m[1][1] = p2->y - p0->z;
2384 m.u.m[2][1] = -praydir->y;
2386 m.u.m[0][2] = p1->z - p0->z;
2387 m.u.m[1][2] = p2->z - p0->z;
2388 m.u.m[2][2] = -praydir->z;
2395 vec.x = praypos->x - p0->x;
2396 vec.y = praypos->y - p0->y;
2397 vec.z = praypos->z - p0->z;
2400 if ( D3DXMatrixInverse(&m, NULL, &m) )
2402 D3DXVec4Transform(&vec, &vec, &m);
2403 if ( (vec.x >= 0.0f) && (vec.y >= 0.0f) && (vec.x + vec.y <= 1.0f) && (vec.z >= 0.0f) )
2407 *pdist = fabs( vec.z );
2415 /*************************************************************************
2416 * D3DXSphereBoundProbe
2418 BOOL WINAPI D3DXSphereBoundProbe(CONST D3DXVECTOR3 *pcenter, FLOAT radius, CONST D3DXVECTOR3 *prayposition, CONST D3DXVECTOR3 *praydirection)
2420 D3DXVECTOR3 difference;
2423 a = D3DXVec3LengthSq(praydirection);
2424 if (!D3DXVec3Subtract(&difference, prayposition, pcenter)) return FALSE;
2425 b = D3DXVec3Dot(&difference, praydirection);
2426 c = D3DXVec3LengthSq(&difference) - radius * radius;
2429 if ( ( d <= 0.0f ) || ( sqrt(d) <= b ) ) return FALSE;
2433 /*************************************************************************
2436 HRESULT WINAPI D3DXCreateMesh(DWORD numfaces, DWORD numvertices, DWORD options, CONST D3DVERTEXELEMENT9 *declaration,
2437 LPDIRECT3DDEVICE9 device, LPD3DXMESH *mesh)
2441 IDirect3DVertexDeclaration9 *vertex_declaration;
2442 UINT vertex_declaration_size;
2444 IDirect3DVertexBuffer9 *vertex_buffer;
2445 IDirect3DIndexBuffer9 *index_buffer;
2446 DWORD *attrib_buffer;
2447 ID3DXMeshImpl *object;
2448 DWORD index_usage = 0;
2449 D3DPOOL index_pool = D3DPOOL_DEFAULT;
2450 D3DFORMAT index_format = D3DFMT_INDEX16;
2451 DWORD vertex_usage = 0;
2452 D3DPOOL vertex_pool = D3DPOOL_DEFAULT;
2455 TRACE("(%d, %d, %x, %p, %p, %p)\n", numfaces, numvertices, options, declaration, device, mesh);
2457 if (numfaces == 0 || numvertices == 0 || declaration == NULL || device == NULL || mesh == NULL ||
2458 /* D3DXMESH_VB_SHARE is for cloning, and D3DXMESH_USEHWONLY is for ConvertToBlendedMesh */
2459 (options & (D3DXMESH_VB_SHARE | D3DXMESH_USEHWONLY | 0xfffe0000)))
2461 return D3DERR_INVALIDCALL;
2463 for (i = 0; declaration[i].Stream != 0xff; i++)
2464 if (declaration[i].Stream != 0)
2465 return D3DERR_INVALIDCALL;
2468 if (options & D3DXMESH_32BIT)
2469 index_format = D3DFMT_INDEX32;
2471 if (options & D3DXMESH_DONOTCLIP) {
2472 index_usage |= D3DUSAGE_DONOTCLIP;
2473 vertex_usage |= D3DUSAGE_DONOTCLIP;
2475 if (options & D3DXMESH_POINTS) {
2476 index_usage |= D3DUSAGE_POINTS;
2477 vertex_usage |= D3DUSAGE_POINTS;
2479 if (options & D3DXMESH_RTPATCHES) {
2480 index_usage |= D3DUSAGE_RTPATCHES;
2481 vertex_usage |= D3DUSAGE_RTPATCHES;
2483 if (options & D3DXMESH_NPATCHES) {
2484 index_usage |= D3DUSAGE_NPATCHES;
2485 vertex_usage |= D3DUSAGE_NPATCHES;
2488 if (options & D3DXMESH_VB_SYSTEMMEM)
2489 vertex_pool = D3DPOOL_SYSTEMMEM;
2490 else if (options & D3DXMESH_VB_MANAGED)
2491 vertex_pool = D3DPOOL_MANAGED;
2493 if (options & D3DXMESH_VB_WRITEONLY)
2494 vertex_usage |= D3DUSAGE_WRITEONLY;
2495 if (options & D3DXMESH_VB_DYNAMIC)
2496 vertex_usage |= D3DUSAGE_DYNAMIC;
2497 if (options & D3DXMESH_VB_SOFTWAREPROCESSING)
2498 vertex_usage |= D3DUSAGE_SOFTWAREPROCESSING;
2500 if (options & D3DXMESH_IB_SYSTEMMEM)
2501 index_pool = D3DPOOL_SYSTEMMEM;
2502 else if (options & D3DXMESH_IB_MANAGED)
2503 index_pool = D3DPOOL_MANAGED;
2505 if (options & D3DXMESH_IB_WRITEONLY)
2506 index_usage |= D3DUSAGE_WRITEONLY;
2507 if (options & D3DXMESH_IB_DYNAMIC)
2508 index_usage |= D3DUSAGE_DYNAMIC;
2509 if (options & D3DXMESH_IB_SOFTWAREPROCESSING)
2510 index_usage |= D3DUSAGE_SOFTWAREPROCESSING;
2512 hr = D3DXFVFFromDeclarator(declaration, &fvf);
2518 /* Create vertex declaration */
2519 hr = IDirect3DDevice9_CreateVertexDeclaration(device,
2521 &vertex_declaration);
2524 WARN("Unexpected return value %x from IDirect3DDevice9_CreateVertexDeclaration.\n",hr);
2527 vertex_declaration_size = D3DXGetDeclVertexSize(declaration, declaration[0].Stream);
2529 /* Create vertex buffer */
2530 hr = IDirect3DDevice9_CreateVertexBuffer(device,
2531 numvertices * vertex_declaration_size,
2539 WARN("Unexpected return value %x from IDirect3DDevice9_CreateVertexBuffer.\n",hr);
2540 IDirect3DVertexDeclaration9_Release(vertex_declaration);
2544 /* Create index buffer */
2545 hr = IDirect3DDevice9_CreateIndexBuffer(device,
2546 numfaces * 3 * ((index_format == D3DFMT_INDEX16) ? 2 : 4),
2554 WARN("Unexpected return value %x from IDirect3DDevice9_CreateVertexBuffer.\n",hr);
2555 IDirect3DVertexBuffer9_Release(vertex_buffer);
2556 IDirect3DVertexDeclaration9_Release(vertex_declaration);
2560 attrib_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, numfaces * sizeof(*attrib_buffer));
2561 object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ID3DXMeshImpl));
2562 if (object == NULL || attrib_buffer == NULL)
2564 HeapFree(GetProcessHeap(), 0, attrib_buffer);
2565 IDirect3DIndexBuffer9_Release(index_buffer);
2566 IDirect3DVertexBuffer9_Release(vertex_buffer);
2567 IDirect3DVertexDeclaration9_Release(vertex_declaration);
2569 return E_OUTOFMEMORY;
2571 object->ID3DXMesh_iface.lpVtbl = &D3DXMesh_Vtbl;
2574 object->numfaces = numfaces;
2575 object->numvertices = numvertices;
2576 object->options = options;
2578 object->device = device;
2579 IDirect3DDevice9_AddRef(device);
2581 copy_declaration(object->cached_declaration, declaration, num_elem);
2582 object->vertex_declaration = vertex_declaration;
2583 object->vertex_declaration_size = vertex_declaration_size;
2584 object->num_elem = num_elem;
2585 object->vertex_buffer = vertex_buffer;
2586 object->index_buffer = index_buffer;
2587 object->attrib_buffer = attrib_buffer;
2589 *mesh = &object->ID3DXMesh_iface;
2594 /*************************************************************************
2597 HRESULT WINAPI D3DXCreateMeshFVF(DWORD numfaces, DWORD numvertices, DWORD options, DWORD fvf,
2598 LPDIRECT3DDEVICE9 device, LPD3DXMESH *mesh)
2601 D3DVERTEXELEMENT9 declaration[MAX_FVF_DECL_SIZE];
2603 TRACE("(%u, %u, %u, %u, %p, %p)\n", numfaces, numvertices, options, fvf, device, mesh);
2605 hr = D3DXDeclaratorFromFVF(fvf, declaration);
2606 if (FAILED(hr)) return hr;
2608 return D3DXCreateMesh(numfaces, numvertices, options, declaration, device, mesh);
2614 DWORD num_poly_faces;
2615 DWORD num_tri_faces;
2616 D3DXVECTOR3 *vertices;
2617 DWORD *num_tri_per_face;
2622 /* optional mesh data */
2625 D3DXVECTOR3 *normals;
2626 DWORD *normal_indices;
2628 D3DXVECTOR2 *tex_coords;
2630 DWORD *vertex_colors;
2632 DWORD num_materials;
2633 D3DXMATERIAL *materials;
2634 DWORD *material_indices;
2637 static HRESULT get_next_child(IDirectXFileData *filedata, IDirectXFileData **child, const GUID **type)
2640 IDirectXFileDataReference *child_ref = NULL;
2641 IDirectXFileObject *child_obj = NULL;
2642 IDirectXFileData *child_data = NULL;
2644 hr = IDirectXFileData_GetNextObject(filedata, &child_obj);
2645 if (FAILED(hr)) return hr;
2647 hr = IDirectXFileObject_QueryInterface(child_obj, &IID_IDirectXFileDataReference, (void**)&child_ref);
2648 if (SUCCEEDED(hr)) {
2649 hr = IDirectXFileDataReference_Resolve(child_ref, &child_data);
2650 IDirectXFileDataReference_Release(child_ref);
2652 hr = IDirectXFileObject_QueryInterface(child_obj, &IID_IDirectXFileData, (void**)&child_data);
2654 IDirectXFileObject_Release(child_obj);
2658 hr = IDirectXFileData_GetType(child_data, type);
2660 IDirectXFileData_Release(child_data);
2662 *child = child_data;
2668 static HRESULT parse_texture_filename(IDirectXFileData *filedata, LPSTR *filename_out)
2674 char *filename = NULL;
2676 /* template TextureFilename {
2681 HeapFree(GetProcessHeap(), 0, *filename_out);
2682 *filename_out = NULL;
2684 hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
2685 if (FAILED(hr)) return hr;
2687 if (data_size < sizeof(LPSTR)) {
2688 WARN("truncated data (%u bytes)\n", data_size);
2691 filename_in = *(LPSTR*)data;
2693 filename = HeapAlloc(GetProcessHeap(), 0, strlen(filename_in) + 1);
2694 if (!filename) return E_OUTOFMEMORY;
2696 strcpy(filename, filename_in);
2697 *filename_out = filename;
2702 static HRESULT parse_material(IDirectXFileData *filedata, D3DXMATERIAL *material)
2708 IDirectXFileData *child;
2710 material->pTextureFilename = NULL;
2712 hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
2713 if (FAILED(hr)) return hr;
2716 * template ColorRGBA {
2722 * template ColorRGB {
2727 * template Material {
2728 * ColorRGBA faceColor;
2730 * ColorRGB specularColor;
2731 * ColorRGB emissiveColor;
2735 if (data_size != sizeof(FLOAT) * 11) {
2736 WARN("incorrect data size (%u bytes)\n", data_size);
2740 memcpy(&material->MatD3D.Diffuse, data, sizeof(D3DCOLORVALUE));
2741 data += sizeof(D3DCOLORVALUE);
2742 material->MatD3D.Power = *(FLOAT*)data;
2743 data += sizeof(FLOAT);
2744 memcpy(&material->MatD3D.Specular, data, sizeof(FLOAT) * 3);
2745 material->MatD3D.Specular.a = 1.0f;
2746 data += 3 * sizeof(FLOAT);
2747 memcpy(&material->MatD3D.Emissive, data, sizeof(FLOAT) * 3);
2748 material->MatD3D.Emissive.a = 1.0f;
2749 material->MatD3D.Ambient.r = 0.0f;
2750 material->MatD3D.Ambient.g = 0.0f;
2751 material->MatD3D.Ambient.b = 0.0f;
2752 material->MatD3D.Ambient.a = 1.0f;
2754 while (SUCCEEDED(hr = get_next_child(filedata, &child, &type)))
2756 if (IsEqualGUID(type, &TID_D3DRMTextureFilename)) {
2757 hr = parse_texture_filename(child, &material->pTextureFilename);
2758 if (FAILED(hr)) break;
2761 return hr == DXFILEERR_NOMOREOBJECTS ? D3D_OK : hr;
2764 static void destroy_materials(struct mesh_data *mesh)
2767 for (i = 0; i < mesh->num_materials; i++)
2768 HeapFree(GetProcessHeap(), 0, mesh->materials[i].pTextureFilename);
2769 HeapFree(GetProcessHeap(), 0, mesh->materials);
2770 HeapFree(GetProcessHeap(), 0, mesh->material_indices);
2771 mesh->num_materials = 0;
2772 mesh->materials = NULL;
2773 mesh->material_indices = NULL;
2776 static HRESULT parse_material_list(IDirectXFileData *filedata, struct mesh_data *mesh)
2780 DWORD *data, *in_ptr;
2782 IDirectXFileData *child;
2783 DWORD num_materials;
2786 destroy_materials(mesh);
2788 hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
2789 if (FAILED(hr)) return hr;
2791 /* template MeshMaterialList {
2793 * DWORD nFaceIndexes;
2794 * array DWORD faceIndexes[nFaceIndexes];
2801 if (data_size < sizeof(DWORD))
2802 goto truncated_data_error;
2803 num_materials = *in_ptr++;
2807 if (data_size < 2 * sizeof(DWORD))
2808 goto truncated_data_error;
2809 if (*in_ptr++ != mesh->num_poly_faces) {
2810 WARN("number of material face indices (%u) doesn't match number of faces (%u)\n",
2811 *(in_ptr - 1), mesh->num_poly_faces);
2814 if (data_size < 2 * sizeof(DWORD) + mesh->num_poly_faces * sizeof(DWORD))
2815 goto truncated_data_error;
2816 for (i = 0; i < mesh->num_poly_faces; i++) {
2817 if (*in_ptr++ >= num_materials) {
2818 WARN("face %u: reference to undefined material %u (only %u materials)\n",
2819 i, *(in_ptr - 1), num_materials);
2824 mesh->materials = HeapAlloc(GetProcessHeap(), 0, num_materials * sizeof(*mesh->materials));
2825 mesh->material_indices = HeapAlloc(GetProcessHeap(), 0, mesh->num_poly_faces * sizeof(*mesh->material_indices));
2826 if (!mesh->materials || !mesh->material_indices)
2827 return E_OUTOFMEMORY;
2828 memcpy(mesh->material_indices, data + 2, mesh->num_poly_faces * sizeof(DWORD));
2830 while (SUCCEEDED(hr = get_next_child(filedata, &child, &type)))
2832 if (IsEqualGUID(type, &TID_D3DRMMaterial)) {
2833 if (mesh->num_materials >= num_materials) {
2834 WARN("more materials defined than declared\n");
2837 hr = parse_material(child, &mesh->materials[mesh->num_materials++]);
2838 if (FAILED(hr)) break;
2841 if (hr != DXFILEERR_NOMOREOBJECTS)
2843 if (num_materials != mesh->num_materials) {
2844 WARN("only %u of %u materials defined\n", num_materials, mesh->num_materials);
2849 truncated_data_error:
2850 WARN("truncated data (%u bytes)\n", data_size);
2854 static HRESULT parse_texture_coords(IDirectXFileData *filedata, struct mesh_data *mesh)
2860 HeapFree(GetProcessHeap(), 0, mesh->tex_coords);
2861 mesh->tex_coords = NULL;
2863 hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
2864 if (FAILED(hr)) return hr;
2866 /* template Coords2d {
2870 * template MeshTextureCoords {
2871 * DWORD nTextureCoords;
2872 * array Coords2d textureCoords[nTextureCoords];
2876 if (data_size < sizeof(DWORD))
2877 goto truncated_data_error;
2878 if (*(DWORD*)data != mesh->num_vertices) {
2879 WARN("number of texture coordinates (%u) doesn't match number of vertices (%u)\n",
2880 *(DWORD*)data, mesh->num_vertices);
2883 data += sizeof(DWORD);
2884 if (data_size < sizeof(DWORD) + mesh->num_vertices * sizeof(*mesh->tex_coords))
2885 goto truncated_data_error;
2887 mesh->tex_coords = HeapAlloc(GetProcessHeap(), 0, mesh->num_vertices * sizeof(*mesh->tex_coords));
2888 if (!mesh->tex_coords) return E_OUTOFMEMORY;
2889 memcpy(mesh->tex_coords, data, mesh->num_vertices * sizeof(*mesh->tex_coords));
2891 mesh->fvf |= D3DFVF_TEX1;
2894 truncated_data_error:
2895 WARN("truncated data (%u bytes)\n", data_size);
2899 static HRESULT parse_vertex_colors(IDirectXFileData *filedata, struct mesh_data *mesh)
2907 HeapFree(GetProcessHeap(), 0, mesh->vertex_colors);
2908 mesh->vertex_colors = NULL;
2910 hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
2911 if (FAILED(hr)) return hr;
2913 /* template IndexedColor {
2915 * ColorRGBA indexColor;
2917 * template MeshVertexColors {
2918 * DWORD nVertexColors;
2919 * array IndexedColor vertexColors[nVertexColors];
2923 if (data_size < sizeof(DWORD))
2924 goto truncated_data_error;
2925 num_colors = *(DWORD*)data;
2926 data += sizeof(DWORD);
2927 if (data_size < sizeof(DWORD) + num_colors * (sizeof(DWORD) + sizeof(D3DCOLORVALUE)))
2928 goto truncated_data_error;
2930 mesh->vertex_colors = HeapAlloc(GetProcessHeap(), 0, mesh->num_vertices * sizeof(DWORD));
2931 if (!mesh->vertex_colors)
2932 return E_OUTOFMEMORY;
2934 for (i = 0; i < mesh->num_vertices; i++)
2935 mesh->vertex_colors[i] = D3DCOLOR_ARGB(0, 0xff, 0xff, 0xff);
2936 for (i = 0; i < num_colors; i++)
2938 D3DCOLORVALUE color;
2939 DWORD index = *(DWORD*)data;
2940 data += sizeof(DWORD);
2941 if (index >= mesh->num_vertices) {
2942 WARN("vertex color %u references undefined vertex %u (only %u vertices)\n",
2943 i, index, mesh->num_vertices);
2946 memcpy(&color, data, sizeof(color));
2947 data += sizeof(color);
2948 color.r = min(1.0f, max(0.0f, color.r));
2949 color.g = min(1.0f, max(0.0f, color.g));
2950 color.b = min(1.0f, max(0.0f, color.b));
2951 color.a = min(1.0f, max(0.0f, color.a));
2952 mesh->vertex_colors[index] = D3DCOLOR_ARGB((BYTE)(color.a * 255.0f + 0.5f),
2953 (BYTE)(color.r * 255.0f + 0.5f),
2954 (BYTE)(color.g * 255.0f + 0.5f),
2955 (BYTE)(color.b * 255.0f + 0.5f));
2958 mesh->fvf |= D3DFVF_DIFFUSE;
2961 truncated_data_error:
2962 WARN("truncated data (%u bytes)\n", data_size);
2966 static HRESULT parse_normals(IDirectXFileData *filedata, struct mesh_data *mesh)
2971 DWORD *index_out_ptr;
2973 DWORD num_face_indices = mesh->num_poly_faces * 2 + mesh->num_tri_faces;
2975 HeapFree(GetProcessHeap(), 0, mesh->normals);
2976 mesh->num_normals = 0;
2977 mesh->normals = NULL;
2978 mesh->normal_indices = NULL;
2979 mesh->fvf |= D3DFVF_NORMAL;
2981 hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
2982 if (FAILED(hr)) return hr;
2984 /* template Vector {
2989 * template MeshFace {
2990 * DWORD nFaceVertexIndices;
2991 * array DWORD faceVertexIndices[nFaceVertexIndices];
2993 * template MeshNormals {
2995 * array Vector normals[nNormals];
2996 * DWORD nFaceNormals;
2997 * array MeshFace faceNormals[nFaceNormals];
3001 if (data_size < sizeof(DWORD) * 2)
3002 goto truncated_data_error;
3003 mesh->num_normals = *(DWORD*)data;
3004 data += sizeof(DWORD);
3005 if (data_size < sizeof(DWORD) * 2 + mesh->num_normals * sizeof(D3DXVECTOR3) +
3006 num_face_indices * sizeof(DWORD))
3007 goto truncated_data_error;
3009 mesh->normals = HeapAlloc(GetProcessHeap(), 0, mesh->num_normals * sizeof(D3DXVECTOR3));
3010 mesh->normal_indices = HeapAlloc(GetProcessHeap(), 0, num_face_indices * sizeof(DWORD));
3011 if (!mesh->normals || !mesh->normal_indices)
3012 return E_OUTOFMEMORY;
3014 memcpy(mesh->normals, data, mesh->num_normals * sizeof(D3DXVECTOR3));
3015 data += mesh->num_normals * sizeof(D3DXVECTOR3);
3016 for (i = 0; i < mesh->num_normals; i++)
3017 D3DXVec3Normalize(&mesh->normals[i], &mesh->normals[i]);
3019 if (*(DWORD*)data != mesh->num_poly_faces) {
3020 WARN("number of face normals (%u) doesn't match number of faces (%u)\n",
3021 *(DWORD*)data, mesh->num_poly_faces);
3024 data += sizeof(DWORD);
3025 index_out_ptr = mesh->normal_indices;
3026 for (i = 0; i < mesh->num_poly_faces; i++)
3029 DWORD count = *(DWORD*)data;
3030 if (count != mesh->num_tri_per_face[i] + 2) {
3031 WARN("face %u: number of normals (%u) doesn't match number of vertices (%u)\n",
3032 i, count, mesh->num_tri_per_face[i] + 2);
3035 data += sizeof(DWORD);
3037 for (j = 0; j < count; j++) {
3038 DWORD normal_index = *(DWORD*)data;
3039 if (normal_index >= mesh->num_normals) {
3040 WARN("face %u, normal index %u: reference to undefined normal %u (only %u normals)\n",
3041 i, j, normal_index, mesh->num_normals);
3044 *index_out_ptr++ = normal_index;
3045 data += sizeof(DWORD);
3050 truncated_data_error:
3051 WARN("truncated data (%u bytes)\n", data_size);
3055 /* for provide_flags parameters */
3056 #define PROVIDE_MATERIALS 0x1
3057 #define PROVIDE_SKININFO 0x2
3058 #define PROVIDE_ADJACENCY 0x4
3060 static HRESULT parse_mesh(IDirectXFileData *filedata, struct mesh_data *mesh_data, DWORD provide_flags)
3064 BYTE *data, *in_ptr;
3065 DWORD *index_out_ptr;
3067 IDirectXFileData *child;
3073 * array Vector vertices[nVertices];
3075 * array MeshFace faces[nFaces];
3080 hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
3081 if (FAILED(hr)) return hr;
3084 if (data_size < sizeof(DWORD) * 2)
3085 goto truncated_data_error;
3086 mesh_data->num_vertices = *(DWORD*)in_ptr;
3087 if (data_size < sizeof(DWORD) * 2 + mesh_data->num_vertices * sizeof(D3DXVECTOR3))
3088 goto truncated_data_error;
3089 in_ptr += sizeof(DWORD) + mesh_data->num_vertices * sizeof(D3DXVECTOR3);
3091 mesh_data->num_poly_faces = *(DWORD*)in_ptr;
3092 in_ptr += sizeof(DWORD);
3094 mesh_data->num_tri_faces = 0;
3095 for (i = 0; i < mesh_data->num_poly_faces; i++)
3097 DWORD num_poly_vertices;
3100 if (data_size - (in_ptr - data) < sizeof(DWORD))
3101 goto truncated_data_error;
3102 num_poly_vertices = *(DWORD*)in_ptr;
3103 in_ptr += sizeof(DWORD);
3104 if (data_size - (in_ptr - data) < num_poly_vertices * sizeof(DWORD))
3105 goto truncated_data_error;
3106 if (num_poly_vertices < 3) {
3107 WARN("face %u has only %u vertices\n", i, num_poly_vertices);
3110 for (j = 0; j < num_poly_vertices; j++) {
3111 if (*(DWORD*)in_ptr >= mesh_data->num_vertices) {
3112 WARN("face %u, index %u: undefined vertex %u (only %u vertices)\n",
3113 i, j, *(DWORD*)in_ptr, mesh_data->num_vertices);
3116 in_ptr += sizeof(DWORD);
3118 mesh_data->num_tri_faces += num_poly_vertices - 2;
3121 mesh_data->fvf = D3DFVF_XYZ;
3123 mesh_data->vertices = HeapAlloc(GetProcessHeap(), 0,
3124 mesh_data->num_vertices * sizeof(*mesh_data->vertices));
3125 mesh_data->num_tri_per_face = HeapAlloc(GetProcessHeap(), 0,
3126 mesh_data->num_poly_faces * sizeof(*mesh_data->num_tri_per_face));
3127 mesh_data->indices = HeapAlloc(GetProcessHeap(), 0,
3128 (mesh_data->num_tri_faces + mesh_data->num_poly_faces * 2) * sizeof(*mesh_data->indices));
3129 if (!mesh_data->vertices || !mesh_data->num_tri_per_face || !mesh_data->indices)
3130 return E_OUTOFMEMORY;
3132 in_ptr = data + sizeof(DWORD);
3133 memcpy(mesh_data->vertices, in_ptr, mesh_data->num_vertices * sizeof(D3DXVECTOR3));
3134 in_ptr += mesh_data->num_vertices * sizeof(D3DXVECTOR3) + sizeof(DWORD);
3136 index_out_ptr = mesh_data->indices;
3137 for (i = 0; i < mesh_data->num_poly_faces; i++)
3141 count = *(DWORD*)in_ptr;
3142 in_ptr += sizeof(DWORD);
3143 mesh_data->num_tri_per_face[i] = count - 2;
3146 *index_out_ptr++ = *(DWORD*)in_ptr;
3147 in_ptr += sizeof(DWORD);
3151 while (SUCCEEDED(hr = get_next_child(filedata, &child, &type)))
3153 if (IsEqualGUID(type, &TID_D3DRMMeshNormals)) {
3154 hr = parse_normals(child, mesh_data);
3155 } else if (IsEqualGUID(type, &TID_D3DRMMeshVertexColors)) {
3156 hr = parse_vertex_colors(child, mesh_data);
3157 } else if (IsEqualGUID(type, &TID_D3DRMMeshTextureCoords)) {
3158 hr = parse_texture_coords(child, mesh_data);
3159 } else if (IsEqualGUID(type, &TID_D3DRMMeshMaterialList) &&
3160 (provide_flags & PROVIDE_MATERIALS))
3162 hr = parse_material_list(child, mesh_data);
3163 } else if (provide_flags & PROVIDE_SKININFO) {
3164 if (IsEqualGUID(type, &DXFILEOBJ_XSkinMeshHeader)) {
3165 FIXME("Skin mesh loading not implemented.\n");
3167 } else if (IsEqualGUID(type, &DXFILEOBJ_SkinWeights)) {
3168 /* ignored without XSkinMeshHeader */
3174 return hr == DXFILEERR_NOMOREOBJECTS ? D3D_OK : hr;
3175 truncated_data_error:
3176 WARN("truncated data (%u bytes)\n", data_size);
3180 static HRESULT generate_effects(ID3DXBuffer *materials, DWORD num_materials,
3181 ID3DXBuffer **effects)
3184 D3DXEFFECTINSTANCE *effect_ptr;
3186 const D3DXMATERIAL *material_ptr = ID3DXBuffer_GetBufferPointer(materials);
3187 static const struct {
3188 const char *param_name;
3192 } material_effects[] = {
3193 #define EFFECT_TABLE_ENTRY(str, field) \
3194 {str, sizeof(str), sizeof(material_ptr->MatD3D.field), offsetof(D3DXMATERIAL, MatD3D.field)}
3195 EFFECT_TABLE_ENTRY("Diffuse", Diffuse),
3196 EFFECT_TABLE_ENTRY("Power", Power),
3197 EFFECT_TABLE_ENTRY("Specular", Specular),
3198 EFFECT_TABLE_ENTRY("Emissive", Emissive),
3199 EFFECT_TABLE_ENTRY("Ambient", Ambient),
3200 #undef EFFECT_TABLE_ENTRY
3202 static const char texture_paramname[] = "Texture0@Name";
3206 /* effects buffer layout:
3208 * D3DXEFFECTINSTANCE effects[num_materials];
3209 * for (effect in effects)
3211 * D3DXEFFECTDEFAULT defaults[effect.NumDefaults];
3212 * for (default in defaults)
3214 * *default.pParamName;
3219 buffer_size = sizeof(D3DXEFFECTINSTANCE);
3220 buffer_size += sizeof(D3DXEFFECTDEFAULT) * ARRAY_SIZE(material_effects);
3221 for (i = 0; i < ARRAY_SIZE(material_effects); i++) {
3222 buffer_size += material_effects[i].name_size;
3223 buffer_size += material_effects[i].num_bytes;
3225 buffer_size *= num_materials;
3226 for (i = 0; i < num_materials; i++) {
3227 if (material_ptr[i].pTextureFilename) {
3228 buffer_size += sizeof(D3DXEFFECTDEFAULT);
3229 buffer_size += sizeof(texture_paramname);
3230 buffer_size += strlen(material_ptr[i].pTextureFilename) + 1;
3234 hr = D3DXCreateBuffer(buffer_size, effects);
3235 if (FAILED(hr)) return hr;
3236 effect_ptr = ID3DXBuffer_GetBufferPointer(*effects);
3237 out_ptr = (BYTE*)(effect_ptr + num_materials);
3239 for (i = 0; i < num_materials; i++)
3242 D3DXEFFECTDEFAULT *defaults = (D3DXEFFECTDEFAULT*)out_ptr;
3244 effect_ptr->pDefaults = defaults;
3245 effect_ptr->NumDefaults = material_ptr->pTextureFilename ? 6 : 5;
3246 out_ptr = (BYTE*)(effect_ptr->pDefaults + effect_ptr->NumDefaults);
3248 for (j = 0; j < ARRAY_SIZE(material_effects); j++)
3250 defaults->pParamName = (LPSTR)out_ptr;
3251 strcpy(defaults->pParamName, material_effects[j].param_name);
3252 defaults->pValue = defaults->pParamName + material_effects[j].name_size;
3253 defaults->Type = D3DXEDT_FLOATS;
3254 defaults->NumBytes = material_effects[j].num_bytes;
3255 memcpy(defaults->pValue, (BYTE*)material_ptr + material_effects[j].value_offset, defaults->NumBytes);
3256 out_ptr = (BYTE*)defaults->pValue + defaults->NumBytes;
3260 if (material_ptr->pTextureFilename) {
3261 defaults->pParamName = (LPSTR)out_ptr;
3262 strcpy(defaults->pParamName, texture_paramname);
3263 defaults->pValue = defaults->pParamName + sizeof(texture_paramname);
3264 defaults->Type = D3DXEDT_STRING;
3265 defaults->NumBytes = strlen(material_ptr->pTextureFilename) + 1;
3266 strcpy(defaults->pValue, material_ptr->pTextureFilename);
3267 out_ptr = (BYTE*)defaults->pValue + defaults->NumBytes;
3272 assert(out_ptr - (BYTE*)ID3DXBuffer_GetBufferPointer(*effects) == buffer_size);
3277 /* change to D3DXLoadSkinMeshFromXof when ID3DXFileData is implemented */
3278 static HRESULT load_skin_mesh_from_xof(IDirectXFileData *filedata,
3280 LPDIRECT3DDEVICE9 device,
3281 LPD3DXBUFFER *adjacency_out,
3282 LPD3DXBUFFER *materials_out,
3283 LPD3DXBUFFER *effects_out,
3284 DWORD *num_materials_out,
3285 LPD3DXSKININFO *skin_info_out,
3286 LPD3DXMESH *mesh_out)
3289 DWORD *index_in_ptr;
3290 struct mesh_data mesh_data;
3291 DWORD total_vertices;
3292 ID3DXMesh *d3dxmesh = NULL;
3293 ID3DXBuffer *adjacency = NULL;
3294 ID3DXBuffer *materials = NULL;
3295 ID3DXBuffer *effects = NULL;
3296 struct vertex_duplication {
3299 } *duplications = NULL;
3301 void *vertices = NULL;
3302 void *indices = NULL;
3304 DWORD provide_flags = 0;
3306 ZeroMemory(&mesh_data, sizeof(mesh_data));
3308 if (num_materials_out || materials_out || effects_out)
3309 provide_flags |= PROVIDE_MATERIALS;
3311 provide_flags |= PROVIDE_SKININFO;
3313 hr = parse_mesh(filedata, &mesh_data, provide_flags);
3314 if (FAILED(hr)) goto cleanup;
3316 total_vertices = mesh_data.num_vertices;
3317 if (mesh_data.fvf & D3DFVF_NORMAL) {
3318 /* duplicate vertices with multiple normals */
3319 DWORD num_face_indices = mesh_data.num_poly_faces * 2 + mesh_data.num_tri_faces;
3320 duplications = HeapAlloc(GetProcessHeap(), 0, (mesh_data.num_vertices + num_face_indices) * sizeof(*duplications));
3321 if (!duplications) {
3325 for (i = 0; i < total_vertices; i++)
3327 duplications[i].normal_index = -1;
3328 list_init(&duplications[i].entry);
3330 for (i = 0; i < num_face_indices; i++) {
3331 DWORD vertex_index = mesh_data.indices[i];
3332 DWORD normal_index = mesh_data.normal_indices[i];
3333 struct vertex_duplication *dup_ptr = &duplications[vertex_index];
3335 if (dup_ptr->normal_index == -1) {
3336 dup_ptr->normal_index = normal_index;
3338 D3DXVECTOR3 *new_normal = &mesh_data.normals[normal_index];
3339 struct list *dup_list = &dup_ptr->entry;
3341 D3DXVECTOR3 *cur_normal = &mesh_data.normals[dup_ptr->normal_index];
3342 if (new_normal->x == cur_normal->x &&
3343 new_normal->y == cur_normal->y &&
3344 new_normal->z == cur_normal->z)
3346 mesh_data.indices[i] = dup_ptr - duplications;
3348 } else if (!list_next(dup_list, &dup_ptr->entry)) {
3349 dup_ptr = &duplications[total_vertices++];
3350 dup_ptr->normal_index = normal_index;
3351 list_add_tail(dup_list, &dup_ptr->entry);
3352 mesh_data.indices[i] = dup_ptr - duplications;
3355 dup_ptr = LIST_ENTRY(list_next(dup_list, &dup_ptr->entry),
3356 struct vertex_duplication, entry);
3363 hr = D3DXCreateMeshFVF(mesh_data.num_tri_faces, total_vertices, options, mesh_data.fvf, device, &d3dxmesh);
3364 if (FAILED(hr)) goto cleanup;
3366 hr = d3dxmesh->lpVtbl->LockVertexBuffer(d3dxmesh, 0, &vertices);
3367 if (FAILED(hr)) goto cleanup;
3370 for (i = 0; i < mesh_data.num_vertices; i++) {
3371 *(D3DXVECTOR3*)out_ptr = mesh_data.vertices[i];
3372 out_ptr += sizeof(D3DXVECTOR3);
3373 if (mesh_data.fvf & D3DFVF_NORMAL) {
3374 if (duplications[i].normal_index == -1)
3375 ZeroMemory(out_ptr, sizeof(D3DXVECTOR3));
3377 *(D3DXVECTOR3*)out_ptr = mesh_data.normals[duplications[i].normal_index];
3378 out_ptr += sizeof(D3DXVECTOR3);
3380 if (mesh_data.fvf & D3DFVF_DIFFUSE) {
3381 *(DWORD*)out_ptr = mesh_data.vertex_colors[i];
3382 out_ptr += sizeof(DWORD);
3384 if (mesh_data.fvf & D3DFVF_TEX1) {
3385 *(D3DXVECTOR2*)out_ptr = mesh_data.tex_coords[i];
3386 out_ptr += sizeof(D3DXVECTOR2);
3389 if (mesh_data.fvf & D3DFVF_NORMAL) {
3390 DWORD vertex_size = D3DXGetFVFVertexSize(mesh_data.fvf);
3392 for (i = 0; i < mesh_data.num_vertices; i++) {
3393 struct vertex_duplication *dup_ptr;
3394 LIST_FOR_EACH_ENTRY(dup_ptr, &duplications[i].entry, struct vertex_duplication, entry)
3396 int j = dup_ptr - duplications;
3397 BYTE *dest_vertex = (BYTE*)vertices + j * vertex_size;
3399 memcpy(dest_vertex, out_ptr, vertex_size);
3400 dest_vertex += sizeof(D3DXVECTOR3);
3401 *(D3DXVECTOR3*)dest_vertex = mesh_data.normals[dup_ptr->normal_index];
3403 out_ptr += vertex_size;
3406 d3dxmesh->lpVtbl->UnlockVertexBuffer(d3dxmesh);
3408 hr = d3dxmesh->lpVtbl->LockIndexBuffer(d3dxmesh, 0, &indices);
3409 if (FAILED(hr)) goto cleanup;
3411 index_in_ptr = mesh_data.indices;
3412 #define FILL_INDEX_BUFFER(indices_var) \
3413 for (i = 0; i < mesh_data.num_poly_faces; i++) \
3415 DWORD count = mesh_data.num_tri_per_face[i]; \
3416 WORD first_index = *index_in_ptr++; \
3418 *indices_var++ = first_index; \
3419 *indices_var++ = *index_in_ptr; \
3421 *indices_var++ = *index_in_ptr; \
3425 if (options & D3DXMESH_32BIT) {
3426 DWORD *dword_indices = indices;
3427 FILL_INDEX_BUFFER(dword_indices)
3429 WORD *word_indices = indices;
3430 FILL_INDEX_BUFFER(word_indices)
3432 #undef FILL_INDEX_BUFFER
3433 d3dxmesh->lpVtbl->UnlockIndexBuffer(d3dxmesh);
3435 if (mesh_data.material_indices) {
3436 DWORD *attrib_buffer = NULL;
3437 hr = d3dxmesh->lpVtbl->LockAttributeBuffer(d3dxmesh, 0, &attrib_buffer);
3438 if (FAILED(hr)) goto cleanup;
3439 for (i = 0; i < mesh_data.num_poly_faces; i++)
3441 DWORD count = mesh_data.num_tri_per_face[i];
3443 *attrib_buffer++ = mesh_data.material_indices[i];
3445 d3dxmesh->lpVtbl->UnlockAttributeBuffer(d3dxmesh);
3447 hr = d3dxmesh->lpVtbl->OptimizeInplace(d3dxmesh,
3448 D3DXMESHOPT_ATTRSORT | D3DXMESHOPT_IGNOREVERTS | D3DXMESHOPT_DONOTSPLIT,
3449 NULL, NULL, NULL, NULL);
3450 if (FAILED(hr)) goto cleanup;
3453 if (mesh_data.num_materials && (materials_out || effects_out)) {
3454 DWORD buffer_size = mesh_data.num_materials * sizeof(D3DXMATERIAL);
3455 char *strings_out_ptr;
3456 D3DXMATERIAL *materials_ptr;
3458 for (i = 0; i < mesh_data.num_materials; i++) {
3459 if (mesh_data.materials[i].pTextureFilename)
3460 buffer_size += strlen(mesh_data.materials[i].pTextureFilename) + 1;
3463 hr = D3DXCreateBuffer(buffer_size, &materials);
3464 if (FAILED(hr)) goto cleanup;
3466 materials_ptr = ID3DXBuffer_GetBufferPointer(materials);
3467 memcpy(materials_ptr, mesh_data.materials, mesh_data.num_materials * sizeof(D3DXMATERIAL));
3468 strings_out_ptr = (char*)(materials_ptr + mesh_data.num_materials);
3469 for (i = 0; i < mesh_data.num_materials; i++) {
3470 if (materials_ptr[i].pTextureFilename) {
3471 strcpy(strings_out_ptr, mesh_data.materials[i].pTextureFilename);
3472 materials_ptr[i].pTextureFilename = strings_out_ptr;
3473 strings_out_ptr += strlen(mesh_data.materials[i].pTextureFilename) + 1;
3478 if (mesh_data.num_materials && effects_out) {
3479 hr = generate_effects(materials, mesh_data.num_materials, &effects);
3480 if (FAILED(hr)) goto cleanup;
3482 if (!materials_out) {
3483 ID3DXBuffer_Release(materials);
3488 if (adjacency_out) {
3489 hr = D3DXCreateBuffer(mesh_data.num_tri_faces * 3 * sizeof(DWORD), &adjacency);
3490 if (FAILED(hr)) goto cleanup;
3491 hr = d3dxmesh->lpVtbl->GenerateAdjacency(d3dxmesh, 0.0f, ID3DXBuffer_GetBufferPointer(adjacency));
3492 if (FAILED(hr)) goto cleanup;
3495 *mesh_out = d3dxmesh;
3496 if (adjacency_out) *adjacency_out = adjacency;
3497 if (num_materials_out) *num_materials_out = mesh_data.num_materials;
3498 if (materials_out) *materials_out = materials;
3499 if (effects_out) *effects_out = effects;
3500 if (skin_info_out) *skin_info_out = NULL;
3505 if (d3dxmesh) IUnknown_Release(d3dxmesh);
3506 if (adjacency) ID3DXBuffer_Release(adjacency);
3507 if (materials) ID3DXBuffer_Release(materials);
3508 if (effects) ID3DXBuffer_Release(effects);
3510 HeapFree(GetProcessHeap(), 0, mesh_data.vertices);
3511 HeapFree(GetProcessHeap(), 0, mesh_data.num_tri_per_face);
3512 HeapFree(GetProcessHeap(), 0, mesh_data.indices);
3513 HeapFree(GetProcessHeap(), 0, mesh_data.normals);
3514 HeapFree(GetProcessHeap(), 0, mesh_data.normal_indices);
3515 destroy_materials(&mesh_data);
3516 HeapFree(GetProcessHeap(), 0, mesh_data.tex_coords);
3517 HeapFree(GetProcessHeap(), 0, mesh_data.vertex_colors);
3518 HeapFree(GetProcessHeap(), 0, duplications);
3522 HRESULT WINAPI D3DXLoadMeshHierarchyFromXA(LPCSTR filename,
3524 LPDIRECT3DDEVICE9 device,
3525 LPD3DXALLOCATEHIERARCHY alloc_hier,
3526 LPD3DXLOADUSERDATA load_user_data,
3527 LPD3DXFRAME *frame_hierarchy,
3528 LPD3DXANIMATIONCONTROLLER *anim_controller)
3534 TRACE("(%s, %x, %p, %p, %p, %p, %p)\n", debugstr_a(filename), options,
3535 device, alloc_hier, load_user_data, frame_hierarchy, anim_controller);
3538 return D3DERR_INVALIDCALL;
3540 len = MultiByteToWideChar(CP_ACP, 0, filename, -1, NULL, 0);
3541 filenameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
3542 if (!filenameW) return E_OUTOFMEMORY;
3543 MultiByteToWideChar(CP_ACP, 0, filename, -1, filenameW, len);
3545 hr = D3DXLoadMeshHierarchyFromXW(filenameW, options, device,
3546 alloc_hier, load_user_data, frame_hierarchy, anim_controller);
3547 HeapFree(GetProcessHeap(), 0, filenameW);
3552 HRESULT WINAPI D3DXLoadMeshHierarchyFromXW(LPCWSTR filename,
3554 LPDIRECT3DDEVICE9 device,
3555 LPD3DXALLOCATEHIERARCHY alloc_hier,
3556 LPD3DXLOADUSERDATA load_user_data,
3557 LPD3DXFRAME *frame_hierarchy,
3558 LPD3DXANIMATIONCONTROLLER *anim_controller)
3564 TRACE("(%s, %x, %p, %p, %p, %p, %p)\n", debugstr_w(filename), options,
3565 device, alloc_hier, load_user_data, frame_hierarchy, anim_controller);
3568 return D3DERR_INVALIDCALL;
3570 hr = map_view_of_file(filename, &buffer, &size);
3572 return D3DXERR_INVALIDDATA;
3574 hr = D3DXLoadMeshHierarchyFromXInMemory(buffer, size, options, device,
3575 alloc_hier, load_user_data, frame_hierarchy, anim_controller);
3577 UnmapViewOfFile(buffer);
3582 static HRESULT filedata_get_name(IDirectXFileData *filedata, char **name)
3587 hr = IDirectXFileData_GetName(filedata, NULL, &name_len);
3588 if (FAILED(hr)) return hr;
3592 *name = HeapAlloc(GetProcessHeap(), 0, name_len);
3593 if (!*name) return E_OUTOFMEMORY;
3595 hr = IDirectXFileObject_GetName(filedata, *name, &name_len);
3597 HeapFree(GetProcessHeap(), 0, name);
3604 static HRESULT load_mesh_container(IDirectXFileData *filedata,
3606 LPDIRECT3DDEVICE9 device,
3607 LPD3DXALLOCATEHIERARCHY alloc_hier,
3608 D3DXMESHCONTAINER **mesh_container)
3611 ID3DXBuffer *adjacency = NULL;
3612 ID3DXBuffer *materials = NULL;
3613 ID3DXBuffer *effects = NULL;
3614 ID3DXSkinInfo *skin_info = NULL;
3615 D3DXMESHDATA mesh_data;
3616 DWORD num_materials = 0;
3619 mesh_data.Type = D3DXMESHTYPE_MESH;
3620 mesh_data.u.pMesh = NULL;
3622 hr = load_skin_mesh_from_xof(filedata, options, device,
3623 &adjacency, &materials, &effects, &num_materials,
3624 &skin_info, &mesh_data.u.pMesh);
3625 if (FAILED(hr)) return hr;
3627 hr = filedata_get_name(filedata, &name);
3628 if (FAILED(hr)) goto cleanup;
3630 hr = alloc_hier->lpVtbl->CreateMeshContainer(alloc_hier, name, &mesh_data,
3631 materials ? ID3DXBuffer_GetBufferPointer(materials) : NULL,
3632 effects ? ID3DXBuffer_GetBufferPointer(effects) : NULL,
3634 adjacency ? ID3DXBuffer_GetBufferPointer(adjacency) : NULL,
3635 skin_info, mesh_container);
3638 if (materials) ID3DXBuffer_Release(materials);
3639 if (effects) ID3DXBuffer_Release(effects);
3640 if (adjacency) ID3DXBuffer_Release(adjacency);
3641 if (skin_info) IUnknown_Release(skin_info);
3642 if (mesh_data.u.pMesh) IUnknown_Release(mesh_data.u.pMesh);
3643 HeapFree(GetProcessHeap(), 0, name);
3647 static HRESULT parse_transform_matrix(IDirectXFileData *filedata, D3DXMATRIX *transform)
3653 /* template Matrix4x4 {
3654 * array FLOAT matrix[16];
3656 * template FrameTransformMatrix {
3657 * Matrix4x4 frameMatrix;
3661 hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
3662 if (FAILED(hr)) return hr;
3664 if (data_size != sizeof(D3DXMATRIX)) {
3665 WARN("incorrect data size (%u bytes)\n", data_size);
3669 memcpy(transform, data, sizeof(D3DXMATRIX));
3674 static HRESULT load_frame(IDirectXFileData *filedata,
3676 LPDIRECT3DDEVICE9 device,
3677 LPD3DXALLOCATEHIERARCHY alloc_hier,
3678 D3DXFRAME **frame_out)
3682 IDirectXFileData *child;
3684 D3DXFRAME *frame = NULL;
3685 D3DXMESHCONTAINER **next_container;
3686 D3DXFRAME **next_child;
3688 hr = filedata_get_name(filedata, &name);
3689 if (FAILED(hr)) return hr;
3691 hr = alloc_hier->lpVtbl->CreateFrame(alloc_hier, name, frame_out);
3692 HeapFree(GetProcessHeap(), 0, name);
3693 if (FAILED(hr)) return E_FAIL;
3696 D3DXMatrixIdentity(&frame->TransformationMatrix);
3697 next_child = &frame->pFrameFirstChild;
3698 next_container = &frame->pMeshContainer;
3700 while (SUCCEEDED(hr = get_next_child(filedata, &child, &type)))
3702 if (IsEqualGUID(type, &TID_D3DRMMesh)) {
3703 hr = load_mesh_container(child, options, device, alloc_hier, next_container);
3705 next_container = &(*next_container)->pNextMeshContainer;
3706 } else if (IsEqualGUID(type, &TID_D3DRMFrameTransformMatrix)) {
3707 hr = parse_transform_matrix(child, &frame->TransformationMatrix);
3708 } else if (IsEqualGUID(type, &TID_D3DRMFrame)) {
3709 hr = load_frame(child, options, device, alloc_hier, next_child);
3711 next_child = &(*next_child)->pFrameSibling;
3713 if (FAILED(hr)) break;
3715 if (hr == DXFILEERR_NOMOREOBJECTS)
3721 HRESULT WINAPI D3DXLoadMeshHierarchyFromXInMemory(LPCVOID memory,
3724 LPDIRECT3DDEVICE9 device,
3725 LPD3DXALLOCATEHIERARCHY alloc_hier,
3726 LPD3DXLOADUSERDATA load_user_data,
3727 LPD3DXFRAME *frame_hierarchy,
3728 LPD3DXANIMATIONCONTROLLER *anim_controller)
3731 IDirectXFile *dxfile = NULL;
3732 IDirectXFileEnumObject *enumobj = NULL;
3733 IDirectXFileData *filedata = NULL;
3734 DXFILELOADMEMORY source;
3735 D3DXFRAME *first_frame = NULL;
3736 D3DXFRAME **next_frame = &first_frame;
3738 TRACE("(%p, %u, %x, %p, %p, %p, %p, %p)\n", memory, memory_size, options,
3739 device, alloc_hier, load_user_data, frame_hierarchy, anim_controller);
3741 if (!memory || !memory_size || !device || !frame_hierarchy || !alloc_hier)
3742 return D3DERR_INVALIDCALL;
3743 if (load_user_data || anim_controller) {
3745 FIXME("Loading user data not implemented\n");
3746 if (anim_controller)
3747 FIXME("Animation controller creation not implemented\n");
3751 hr = DirectXFileCreate(&dxfile);
3752 if (FAILED(hr)) goto cleanup;
3754 hr = IDirectXFile_RegisterTemplates(dxfile, D3DRM_XTEMPLATES, D3DRM_XTEMPLATE_BYTES);
3755 if (FAILED(hr)) goto cleanup;
3757 source.lpMemory = (void*)memory;
3758 source.dSize = memory_size;
3759 hr = IDirectXFile_CreateEnumObject(dxfile, &source, DXFILELOAD_FROMMEMORY, &enumobj);
3760 if (FAILED(hr)) goto cleanup;
3762 while (SUCCEEDED(hr = IDirectXFileEnumObject_GetNextDataObject(enumobj, &filedata)))
3764 const GUID *guid = NULL;
3766 hr = IDirectXFileData_GetType(filedata, &guid);
3767 if (SUCCEEDED(hr)) {
3768 if (IsEqualGUID(guid, &TID_D3DRMMesh)) {
3769 hr = alloc_hier->lpVtbl->CreateFrame(alloc_hier, NULL, next_frame);
3775 D3DXMatrixIdentity(&(*next_frame)->TransformationMatrix);
3777 hr = load_mesh_container(filedata, options, device, alloc_hier, &(*next_frame)->pMeshContainer);
3778 if (FAILED(hr)) goto cleanup;
3779 } else if (IsEqualGUID(guid, &TID_D3DRMFrame)) {
3780 hr = load_frame(filedata, options, device, alloc_hier, next_frame);
3781 if (FAILED(hr)) goto cleanup;
3784 next_frame = &(*next_frame)->pFrameSibling;
3787 IDirectXFileData_Release(filedata);
3792 if (hr != DXFILEERR_NOMOREOBJECTS)
3797 } else if (first_frame->pFrameSibling) {
3798 D3DXFRAME *root_frame = NULL;
3799 hr = alloc_hier->lpVtbl->CreateFrame(alloc_hier, NULL, &root_frame);
3804 D3DXMatrixIdentity(&root_frame->TransformationMatrix);
3805 root_frame->pFrameFirstChild = first_frame;
3806 *frame_hierarchy = root_frame;
3809 *frame_hierarchy = first_frame;
3814 if (FAILED(hr) && first_frame) D3DXFrameDestroy(first_frame, alloc_hier);
3815 if (filedata) IDirectXFileData_Release(filedata);
3816 if (enumobj) IDirectXFileEnumObject_Release(enumobj);
3817 if (dxfile) IDirectXFile_Release(dxfile);
3821 HRESULT WINAPI D3DXFrameDestroy(LPD3DXFRAME frame, LPD3DXALLOCATEHIERARCHY alloc_hier)
3826 TRACE("(%p, %p)\n", frame, alloc_hier);
3828 if (!frame || !alloc_hier)
3829 return D3DERR_INVALIDCALL;
3832 D3DXMESHCONTAINER *container;
3833 D3DXFRAME *current_frame;
3835 if (frame->pFrameSibling) {
3836 current_frame = frame->pFrameSibling;
3837 frame->pFrameSibling = current_frame->pFrameSibling;
3838 current_frame->pFrameSibling = NULL;
3840 current_frame = frame;
3844 if (current_frame->pFrameFirstChild) {
3845 hr = D3DXFrameDestroy(current_frame->pFrameFirstChild, alloc_hier);
3846 if (FAILED(hr)) return hr;
3847 current_frame->pFrameFirstChild = NULL;
3850 container = current_frame->pMeshContainer;
3852 D3DXMESHCONTAINER *next_container = container->pNextMeshContainer;
3853 hr = alloc_hier->lpVtbl->DestroyMeshContainer(alloc_hier, container);
3854 if (FAILED(hr)) return hr;
3855 container = next_container;
3857 hr = alloc_hier->lpVtbl->DestroyFrame(alloc_hier, current_frame);
3858 if (FAILED(hr)) return hr;
3863 HRESULT WINAPI D3DXLoadMeshFromXA(LPCSTR filename,
3865 LPDIRECT3DDEVICE9 device,
3866 LPD3DXBUFFER *adjacency,
3867 LPD3DXBUFFER *materials,
3868 LPD3DXBUFFER *effect_instances,
3869 DWORD *num_materials,
3876 TRACE("(%s, %x, %p, %p, %p, %p, %p, %p)\n", debugstr_a(filename), options,
3877 device, adjacency, materials, effect_instances, num_materials, mesh);
3880 return D3DERR_INVALIDCALL;
3882 len = MultiByteToWideChar(CP_ACP, 0, filename, -1, NULL, 0);
3883 filenameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
3884 if (!filenameW) return E_OUTOFMEMORY;
3885 MultiByteToWideChar(CP_ACP, 0, filename, -1, filenameW, len);
3887 hr = D3DXLoadMeshFromXW(filenameW, options, device, adjacency, materials,
3888 effect_instances, num_materials, mesh);
3889 HeapFree(GetProcessHeap(), 0, filenameW);
3894 HRESULT WINAPI D3DXLoadMeshFromXW(LPCWSTR filename,
3896 LPDIRECT3DDEVICE9 device,
3897 LPD3DXBUFFER *adjacency,
3898 LPD3DXBUFFER *materials,
3899 LPD3DXBUFFER *effect_instances,
3900 DWORD *num_materials,
3907 TRACE("(%s, %x, %p, %p, %p, %p, %p, %p)\n", debugstr_w(filename), options,
3908 device, adjacency, materials, effect_instances, num_materials, mesh);
3911 return D3DERR_INVALIDCALL;
3913 hr = map_view_of_file(filename, &buffer, &size);
3915 return D3DXERR_INVALIDDATA;
3917 hr = D3DXLoadMeshFromXInMemory(buffer, size, options, device, adjacency,
3918 materials, effect_instances, num_materials, mesh);
3920 UnmapViewOfFile(buffer);
3925 HRESULT WINAPI D3DXLoadMeshFromXResource(HMODULE module,
3929 LPDIRECT3DDEVICE9 device,
3930 LPD3DXBUFFER *adjacency,
3931 LPD3DXBUFFER *materials,
3932 LPD3DXBUFFER *effect_instances,
3933 DWORD *num_materials,
3941 TRACE("(%p, %s, %s, %x, %p, %p, %p, %p, %p, %p)\n",
3942 module, debugstr_a(name), debugstr_a(type), options, device,
3943 adjacency, materials, effect_instances, num_materials, mesh);
3945 resinfo = FindResourceA(module, name, type);
3946 if (!resinfo) return D3DXERR_INVALIDDATA;
3948 hr = load_resource_into_memory(module, resinfo, &buffer, &size);
3949 if (FAILED(hr)) return D3DXERR_INVALIDDATA;
3951 return D3DXLoadMeshFromXInMemory(buffer, size, options, device, adjacency,
3952 materials, effect_instances, num_materials, mesh);
3955 struct mesh_container
3959 ID3DXBuffer *adjacency;
3960 ID3DXBuffer *materials;
3961 ID3DXBuffer *effects;
3962 DWORD num_materials;
3963 D3DXMATRIX transform;
3966 static HRESULT parse_frame(IDirectXFileData *filedata,
3968 LPDIRECT3DDEVICE9 device,
3969 const D3DXMATRIX *parent_transform,
3970 struct list *container_list,
3971 DWORD provide_flags)
3974 D3DXMATRIX transform = *parent_transform;
3975 IDirectXFileData *child;
3978 while (SUCCEEDED(hr = get_next_child(filedata, &child, &type)))
3980 if (IsEqualGUID(type, &TID_D3DRMMesh)) {
3981 struct mesh_container *container = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*container));
3986 list_add_tail(container_list, &container->entry);
3987 container->transform = transform;
3989 hr = load_skin_mesh_from_xof(child, options, device,
3990 (provide_flags & PROVIDE_ADJACENCY) ? &container->adjacency : NULL,
3991 (provide_flags & PROVIDE_MATERIALS) ? &container->materials : NULL,
3992 NULL, &container->num_materials, NULL, &container->mesh);
3993 } else if (IsEqualGUID(type, &TID_D3DRMFrameTransformMatrix)) {
3994 D3DXMATRIX new_transform;
3995 hr = parse_transform_matrix(child, &new_transform);
3996 D3DXMatrixMultiply(&transform, &transform, &new_transform);
3997 } else if (IsEqualGUID(type, &TID_D3DRMFrame)) {
3998 hr = parse_frame(child, options, device, &transform, container_list, provide_flags);
4000 if (FAILED(hr)) break;
4002 return hr == DXFILEERR_NOMOREOBJECTS ? D3D_OK : hr;
4005 HRESULT WINAPI D3DXLoadMeshFromXInMemory(LPCVOID memory,
4008 LPDIRECT3DDEVICE9 device,
4009 LPD3DXBUFFER *adjacency_out,
4010 LPD3DXBUFFER *materials_out,
4011 LPD3DXBUFFER *effects_out,
4012 DWORD *num_materials_out,
4013 LPD3DXMESH *mesh_out)
4016 IDirectXFile *dxfile = NULL;
4017 IDirectXFileEnumObject *enumobj = NULL;
4018 IDirectXFileData *filedata = NULL;
4019 DXFILELOADMEMORY source;
4020 ID3DXBuffer *materials = NULL;
4021 ID3DXBuffer *effects = NULL;
4022 ID3DXBuffer *adjacency = NULL;
4023 struct list container_list = LIST_INIT(container_list);
4024 struct mesh_container *container_ptr, *next_container_ptr;
4025 DWORD num_materials;
4026 DWORD num_faces, num_vertices;
4027 D3DXMATRIX identity;
4029 DWORD provide_flags = 0;
4031 ID3DXMesh *concat_mesh = NULL;
4032 D3DVERTEXELEMENT9 concat_decl[MAX_FVF_DECL_SIZE];
4033 BYTE *concat_vertices = NULL;
4034 void *concat_indices = NULL;
4036 DWORD concat_vertex_size;
4038 TRACE("(%p, %u, %x, %p, %p, %p, %p, %p, %p)\n", memory, memory_size, options,
4039 device, adjacency_out, materials_out, effects_out, num_materials_out, mesh_out);
4041 if (!memory || !memory_size || !device || !mesh_out)
4042 return D3DERR_INVALIDCALL;
4044 hr = DirectXFileCreate(&dxfile);
4045 if (FAILED(hr)) goto cleanup;
4047 hr = IDirectXFile_RegisterTemplates(dxfile, D3DRM_XTEMPLATES, D3DRM_XTEMPLATE_BYTES);
4048 if (FAILED(hr)) goto cleanup;
4050 source.lpMemory = (void*)memory;
4051 source.dSize = memory_size;
4052 hr = IDirectXFile_CreateEnumObject(dxfile, &source, DXFILELOAD_FROMMEMORY, &enumobj);
4053 if (FAILED(hr)) goto cleanup;
4055 D3DXMatrixIdentity(&identity);
4056 if (adjacency_out) provide_flags |= PROVIDE_ADJACENCY;
4057 if (materials_out || effects_out) provide_flags |= PROVIDE_MATERIALS;
4059 while (SUCCEEDED(hr = IDirectXFileEnumObject_GetNextDataObject(enumobj, &filedata)))
4061 const GUID *guid = NULL;
4063 hr = IDirectXFileData_GetType(filedata, &guid);
4064 if (SUCCEEDED(hr)) {
4065 if (IsEqualGUID(guid, &TID_D3DRMMesh)) {
4066 container_ptr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*container_ptr));
4067 if (!container_ptr) {
4071 list_add_tail(&container_list, &container_ptr->entry);
4072 D3DXMatrixIdentity(&container_ptr->transform);
4074 hr = load_skin_mesh_from_xof(filedata, options, device,
4075 (provide_flags & PROVIDE_ADJACENCY) ? &container_ptr->adjacency : NULL,
4076 (provide_flags & PROVIDE_MATERIALS) ? &container_ptr->materials : NULL,
4077 NULL, &container_ptr->num_materials, NULL, &container_ptr->mesh);
4078 } else if (IsEqualGUID(guid, &TID_D3DRMFrame)) {
4079 hr = parse_frame(filedata, options, device, &identity, &container_list, provide_flags);
4081 if (FAILED(hr)) goto cleanup;
4083 IDirectXFileData_Release(filedata);
4088 if (hr != DXFILEERR_NOMOREOBJECTS)
4091 IDirectXFileEnumObject_Release(enumobj);
4093 IDirectXFile_Release(dxfile);
4096 if (list_empty(&container_list)) {
4105 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4107 ID3DXMesh *mesh = container_ptr->mesh;
4108 fvf |= mesh->lpVtbl->GetFVF(mesh);
4109 num_faces += mesh->lpVtbl->GetNumFaces(mesh);
4110 num_vertices += mesh->lpVtbl->GetNumVertices(mesh);
4111 num_materials += container_ptr->num_materials;
4114 hr = D3DXCreateMeshFVF(num_faces, num_vertices, options, fvf, device, &concat_mesh);
4115 if (FAILED(hr)) goto cleanup;
4117 hr = concat_mesh->lpVtbl->GetDeclaration(concat_mesh, concat_decl);
4118 if (FAILED(hr)) goto cleanup;
4120 concat_vertex_size = D3DXGetDeclVertexSize(concat_decl, 0);
4122 hr = concat_mesh->lpVtbl->LockVertexBuffer(concat_mesh, 0, (void**)&concat_vertices);
4123 if (FAILED(hr)) goto cleanup;
4125 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4127 D3DVERTEXELEMENT9 mesh_decl[MAX_FVF_DECL_SIZE];
4128 ID3DXMesh *mesh = container_ptr->mesh;
4129 DWORD num_mesh_vertices = mesh->lpVtbl->GetNumVertices(mesh);
4130 DWORD mesh_vertex_size;
4131 const BYTE *mesh_vertices;
4133 hr = mesh->lpVtbl->GetDeclaration(mesh, mesh_decl);
4134 if (FAILED(hr)) goto cleanup;
4136 mesh_vertex_size = D3DXGetDeclVertexSize(mesh_decl, 0);
4138 hr = mesh->lpVtbl->LockVertexBuffer(mesh, D3DLOCK_READONLY, (void**)&mesh_vertices);
4139 if (FAILED(hr)) goto cleanup;
4141 for (i = 0; i < num_mesh_vertices; i++) {
4145 D3DXVec3TransformCoord((D3DXVECTOR3*)concat_vertices,
4146 (D3DXVECTOR3*)mesh_vertices,
4147 &container_ptr->transform);
4148 for (j = 1; concat_decl[j].Stream != 0xff; j++)
4150 if (concat_decl[j].Usage == mesh_decl[k].Usage &&
4151 concat_decl[j].UsageIndex == mesh_decl[k].UsageIndex)
4153 if (concat_decl[j].Usage == D3DDECLUSAGE_NORMAL) {
4154 D3DXVec3TransformCoord((D3DXVECTOR3*)(concat_vertices + concat_decl[j].Offset),
4155 (D3DXVECTOR3*)(mesh_vertices + mesh_decl[k].Offset),
4156 &container_ptr->transform);
4158 memcpy(concat_vertices + concat_decl[j].Offset,
4159 mesh_vertices + mesh_decl[k].Offset,
4160 d3dx_decltype_size[mesh_decl[k].Type]);
4165 mesh_vertices += mesh_vertex_size;
4166 concat_vertices += concat_vertex_size;
4169 mesh->lpVtbl->UnlockVertexBuffer(mesh);
4172 concat_mesh->lpVtbl->UnlockVertexBuffer(concat_mesh);
4173 concat_vertices = NULL;
4175 hr = concat_mesh->lpVtbl->LockIndexBuffer(concat_mesh, 0, &concat_indices);
4176 if (FAILED(hr)) goto cleanup;
4179 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4181 ID3DXMesh *mesh = container_ptr->mesh;
4182 const void *mesh_indices;
4183 DWORD num_mesh_faces = mesh->lpVtbl->GetNumFaces(mesh);
4186 hr = mesh->lpVtbl->LockIndexBuffer(mesh, D3DLOCK_READONLY, (void**)&mesh_indices);
4187 if (FAILED(hr)) goto cleanup;
4189 if (options & D3DXMESH_32BIT) {
4190 DWORD *dest = concat_indices;
4191 const DWORD *src = mesh_indices;
4192 for (i = 0; i < num_mesh_faces * 3; i++)
4193 *dest++ = index_offset + *src++;
4194 concat_indices = dest;
4196 WORD *dest = concat_indices;
4197 const WORD *src = mesh_indices;
4198 for (i = 0; i < num_mesh_faces * 3; i++)
4199 *dest++ = index_offset + *src++;
4200 concat_indices = dest;
4202 mesh->lpVtbl->UnlockIndexBuffer(mesh);
4204 index_offset += num_mesh_faces * 3;
4207 concat_mesh->lpVtbl->UnlockIndexBuffer(concat_mesh);
4208 concat_indices = NULL;
4210 if (num_materials) {
4211 DWORD *concat_attrib_buffer = NULL;
4214 hr = concat_mesh->lpVtbl->LockAttributeBuffer(concat_mesh, 0, &concat_attrib_buffer);
4215 if (FAILED(hr)) goto cleanup;
4217 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4219 ID3DXMesh *mesh = container_ptr->mesh;
4220 const DWORD *mesh_attrib_buffer = NULL;
4221 DWORD count = mesh->lpVtbl->GetNumFaces(mesh);
4223 hr = mesh->lpVtbl->LockAttributeBuffer(mesh, D3DLOCK_READONLY, (DWORD**)&mesh_attrib_buffer);
4225 concat_mesh->lpVtbl->UnlockAttributeBuffer(concat_mesh);
4230 *concat_attrib_buffer++ = offset + *mesh_attrib_buffer++;
4232 mesh->lpVtbl->UnlockAttributeBuffer(mesh);
4233 offset += container_ptr->num_materials;
4235 concat_mesh->lpVtbl->UnlockAttributeBuffer(concat_mesh);
4238 if (materials_out || effects_out) {
4239 D3DXMATERIAL *out_ptr;
4240 if (!num_materials) {
4241 /* create default material */
4242 hr = D3DXCreateBuffer(sizeof(D3DXMATERIAL), &materials);
4243 if (FAILED(hr)) goto cleanup;
4245 out_ptr = ID3DXBuffer_GetBufferPointer(materials);
4246 out_ptr->MatD3D.Diffuse.r = 0.5f;
4247 out_ptr->MatD3D.Diffuse.g = 0.5f;
4248 out_ptr->MatD3D.Diffuse.b = 0.5f;
4249 out_ptr->MatD3D.Specular.r = 0.5f;
4250 out_ptr->MatD3D.Specular.g = 0.5f;
4251 out_ptr->MatD3D.Specular.b = 0.5f;
4252 /* D3DXCreateBuffer initializes the rest to zero */
4254 DWORD buffer_size = num_materials * sizeof(D3DXMATERIAL);
4255 char *strings_out_ptr;
4257 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4259 if (container_ptr->materials) {
4260 const D3DXMATERIAL *in_ptr = ID3DXBuffer_GetBufferPointer(container_ptr->materials);
4261 for (i = 0; i < container_ptr->num_materials; i++)
4263 if (in_ptr->pTextureFilename)
4264 buffer_size += strlen(in_ptr->pTextureFilename) + 1;
4270 hr = D3DXCreateBuffer(buffer_size, &materials);
4271 if (FAILED(hr)) goto cleanup;
4272 out_ptr = ID3DXBuffer_GetBufferPointer(materials);
4273 strings_out_ptr = (char*)(out_ptr + num_materials);
4275 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4277 if (container_ptr->materials) {
4278 const D3DXMATERIAL *in_ptr = ID3DXBuffer_GetBufferPointer(container_ptr->materials);
4279 for (i = 0; i < container_ptr->num_materials; i++)
4281 out_ptr->MatD3D = in_ptr->MatD3D;
4282 if (in_ptr->pTextureFilename) {
4283 out_ptr->pTextureFilename = strings_out_ptr;
4284 strcpy(out_ptr->pTextureFilename, in_ptr->pTextureFilename);
4285 strings_out_ptr += strlen(in_ptr->pTextureFilename) + 1;
4298 generate_effects(materials, num_materials, &effects);
4299 if (!materials_out) {
4300 ID3DXBuffer_Release(materials);
4305 if (adjacency_out) {
4306 if (!list_next(&container_list, list_head(&container_list))) {
4307 container_ptr = LIST_ENTRY(list_head(&container_list), struct mesh_container, entry);
4308 adjacency = container_ptr->adjacency;
4309 container_ptr->adjacency = NULL;
4314 hr = D3DXCreateBuffer(num_faces * 3 * sizeof(DWORD), &adjacency);
4315 if (FAILED(hr)) goto cleanup;
4317 out_ptr = ID3DXBuffer_GetBufferPointer(adjacency);
4318 LIST_FOR_EACH_ENTRY(container_ptr, &container_list, struct mesh_container, entry)
4320 DWORD *in_ptr = ID3DXBuffer_GetBufferPointer(container_ptr->adjacency);
4321 int count = 3 * container_ptr->mesh->lpVtbl->GetNumFaces(container_ptr->mesh);
4323 for (i = 0; i < count; i++)
4324 *out_ptr++ = offset + *in_ptr++;
4331 *mesh_out = concat_mesh;
4332 if (adjacency_out) *adjacency_out = adjacency;
4333 if (materials_out) *materials_out = materials;
4334 if (effects_out) *effects_out = effects;
4335 if (num_materials_out) *num_materials_out = num_materials;
4339 if (concat_indices) concat_mesh->lpVtbl->UnlockIndexBuffer(concat_mesh);
4340 if (concat_vertices) concat_mesh->lpVtbl->UnlockVertexBuffer(concat_mesh);
4341 if (filedata) IDirectXFileData_Release(filedata);
4342 if (enumobj) IDirectXFileEnumObject_Release(enumobj);
4343 if (dxfile) IDirectXFile_Release(dxfile);
4345 if (concat_mesh) IUnknown_Release(concat_mesh);
4346 if (materials) ID3DXBuffer_Release(materials);
4347 if (effects) ID3DXBuffer_Release(effects);
4348 if (adjacency) ID3DXBuffer_Release(adjacency);
4350 LIST_FOR_EACH_ENTRY_SAFE(container_ptr, next_container_ptr, &container_list, struct mesh_container, entry)
4352 if (container_ptr->mesh) IUnknown_Release(container_ptr->mesh);
4353 if (container_ptr->adjacency) ID3DXBuffer_Release(container_ptr->adjacency);
4354 if (container_ptr->materials) ID3DXBuffer_Release(container_ptr->materials);
4355 if (container_ptr->effects) ID3DXBuffer_Release(container_ptr->effects);
4356 HeapFree(GetProcessHeap(), 0, container_ptr);
4361 HRESULT WINAPI D3DXCreateBox(LPDIRECT3DDEVICE9 device, FLOAT width, FLOAT height,
4362 FLOAT depth, LPD3DXMESH* mesh, LPD3DXBUFFER* adjacency)
4364 FIXME("(%p, %f, %f, %f, %p, %p): stub\n", device, width, height, depth, mesh, adjacency);
4371 D3DXVECTOR3 position;
4375 typedef WORD face[3];
4383 static void free_sincos_table(struct sincos_table *sincos_table)
4385 HeapFree(GetProcessHeap(), 0, sincos_table->cos);
4386 HeapFree(GetProcessHeap(), 0, sincos_table->sin);
4389 /* pre compute sine and cosine tables; caller must free */
4390 static BOOL compute_sincos_table(struct sincos_table *sincos_table, float angle_start, float angle_step, int n)
4395 sincos_table->sin = HeapAlloc(GetProcessHeap(), 0, n * sizeof(*sincos_table->sin));
4396 if (!sincos_table->sin)
4400 sincos_table->cos = HeapAlloc(GetProcessHeap(), 0, n * sizeof(*sincos_table->cos));
4401 if (!sincos_table->cos)
4403 HeapFree(GetProcessHeap(), 0, sincos_table->sin);
4407 angle = angle_start;
4408 for (i = 0; i < n; i++)
4410 sincos_table->sin[i] = sin(angle);
4411 sincos_table->cos[i] = cos(angle);
4412 angle += angle_step;
4418 static WORD vertex_index(UINT slices, int slice, int stack)
4420 return stack*slices+slice+1;
4423 HRESULT WINAPI D3DXCreateSphere(LPDIRECT3DDEVICE9 device, FLOAT radius, UINT slices,
4424 UINT stacks, LPD3DXMESH* mesh, LPD3DXBUFFER* adjacency)
4426 DWORD number_of_vertices, number_of_faces;
4429 struct vertex *vertices;
4431 float phi_step, phi_start;
4432 struct sincos_table phi;
4433 float theta_step, theta, sin_theta, cos_theta;
4437 TRACE("(%p, %f, %u, %u, %p, %p)\n", device, radius, slices, stacks, mesh, adjacency);
4439 if (!device || radius < 0.0f || slices < 2 || stacks < 2 || !mesh)
4441 return D3DERR_INVALIDCALL;
4446 FIXME("Case of adjacency != NULL not implemented.\n");
4450 number_of_vertices = 2 + slices * (stacks-1);
4451 number_of_faces = 2 * slices + (stacks - 2) * (2 * slices);
4453 hr = D3DXCreateMeshFVF(number_of_faces, number_of_vertices, D3DXMESH_MANAGED,
4454 D3DFVF_XYZ | D3DFVF_NORMAL, device, &sphere);
4460 hr = sphere->lpVtbl->LockVertexBuffer(sphere, 0, (LPVOID *)&vertices);
4463 sphere->lpVtbl->Release(sphere);
4467 hr = sphere->lpVtbl->LockIndexBuffer(sphere, 0, (LPVOID *)&faces);
4470 sphere->lpVtbl->UnlockVertexBuffer(sphere);
4471 sphere->lpVtbl->Release(sphere);
4475 /* phi = angle on xz plane wrt z axis */
4476 phi_step = -2 * M_PI / slices;
4477 phi_start = M_PI / 2;
4479 if (!compute_sincos_table(&phi, phi_start, phi_step, slices))
4481 sphere->lpVtbl->UnlockIndexBuffer(sphere);
4482 sphere->lpVtbl->UnlockVertexBuffer(sphere);
4483 sphere->lpVtbl->Release(sphere);
4484 return E_OUTOFMEMORY;
4487 /* theta = angle on xy plane wrt x axis */
4488 theta_step = M_PI / stacks;
4494 vertices[vertex].normal.x = 0.0f;
4495 vertices[vertex].normal.y = 0.0f;
4496 vertices[vertex].normal.z = 1.0f;
4497 vertices[vertex].position.x = 0.0f;
4498 vertices[vertex].position.y = 0.0f;
4499 vertices[vertex].position.z = radius;
4502 for (stack = 0; stack < stacks - 1; stack++)
4504 sin_theta = sin(theta);
4505 cos_theta = cos(theta);
4507 for (slice = 0; slice < slices; slice++)
4509 vertices[vertex].normal.x = sin_theta * phi.cos[slice];
4510 vertices[vertex].normal.y = sin_theta * phi.sin[slice];
4511 vertices[vertex].normal.z = cos_theta;
4512 vertices[vertex].position.x = radius * sin_theta * phi.cos[slice];
4513 vertices[vertex].position.y = radius * sin_theta * phi.sin[slice];
4514 vertices[vertex].position.z = radius * cos_theta;
4521 /* top stack is triangle fan */
4523 faces[face][1] = slice + 1;
4524 faces[face][2] = slice;
4529 /* stacks in between top and bottom are quad strips */
4530 faces[face][0] = vertex_index(slices, slice-1, stack-1);
4531 faces[face][1] = vertex_index(slices, slice, stack-1);
4532 faces[face][2] = vertex_index(slices, slice-1, stack);
4535 faces[face][0] = vertex_index(slices, slice, stack-1);
4536 faces[face][1] = vertex_index(slices, slice, stack);
4537 faces[face][2] = vertex_index(slices, slice-1, stack);
4543 theta += theta_step;
4549 faces[face][2] = slice;
4554 faces[face][0] = vertex_index(slices, slice-1, stack-1);
4555 faces[face][1] = vertex_index(slices, 0, stack-1);
4556 faces[face][2] = vertex_index(slices, slice-1, stack);
4559 faces[face][0] = vertex_index(slices, 0, stack-1);
4560 faces[face][1] = vertex_index(slices, 0, stack);
4561 faces[face][2] = vertex_index(slices, slice-1, stack);
4566 vertices[vertex].position.x = 0.0f;
4567 vertices[vertex].position.y = 0.0f;
4568 vertices[vertex].position.z = -radius;
4569 vertices[vertex].normal.x = 0.0f;
4570 vertices[vertex].normal.y = 0.0f;
4571 vertices[vertex].normal.z = -1.0f;
4573 /* bottom stack is triangle fan */
4574 for (slice = 1; slice < slices; slice++)
4576 faces[face][0] = vertex_index(slices, slice-1, stack-1);
4577 faces[face][1] = vertex_index(slices, slice, stack-1);
4578 faces[face][2] = vertex;
4582 faces[face][0] = vertex_index(slices, slice-1, stack-1);
4583 faces[face][1] = vertex_index(slices, 0, stack-1);
4584 faces[face][2] = vertex;
4586 free_sincos_table(&phi);
4587 sphere->lpVtbl->UnlockIndexBuffer(sphere);
4588 sphere->lpVtbl->UnlockVertexBuffer(sphere);
4594 HRESULT WINAPI D3DXCreateCylinder(LPDIRECT3DDEVICE9 device, FLOAT radius1, FLOAT radius2, FLOAT length, UINT slices,
4595 UINT stacks, LPD3DXMESH* mesh, LPD3DXBUFFER* adjacency)
4597 DWORD number_of_vertices, number_of_faces;
4599 ID3DXMesh *cylinder;
4600 struct vertex *vertices;
4602 float theta_step, theta_start;
4603 struct sincos_table theta;
4604 float delta_radius, radius, radius_step;
4605 float z, z_step, z_normal;
4609 TRACE("(%p, %f, %f, %f, %u, %u, %p, %p)\n", device, radius1, radius2, length, slices, stacks, mesh, adjacency);
4611 if (device == NULL || radius1 < 0.0f || radius2 < 0.0f || length < 0.0f || slices < 2 || stacks < 1 || mesh == NULL)
4613 return D3DERR_INVALIDCALL;
4618 FIXME("Case of adjacency != NULL not implemented.\n");
4622 number_of_vertices = 2 + (slices * (3 + stacks));
4623 number_of_faces = 2 * slices + stacks * (2 * slices);
4625 hr = D3DXCreateMeshFVF(number_of_faces, number_of_vertices, D3DXMESH_MANAGED,
4626 D3DFVF_XYZ | D3DFVF_NORMAL, device, &cylinder);
4632 hr = cylinder->lpVtbl->LockVertexBuffer(cylinder, 0, (LPVOID *)&vertices);
4635 cylinder->lpVtbl->Release(cylinder);
4639 hr = cylinder->lpVtbl->LockIndexBuffer(cylinder, 0, (LPVOID *)&faces);
4642 cylinder->lpVtbl->UnlockVertexBuffer(cylinder);
4643 cylinder->lpVtbl->Release(cylinder);
4647 /* theta = angle on xy plane wrt x axis */
4648 theta_step = -2 * M_PI / slices;
4649 theta_start = M_PI / 2;
4651 if (!compute_sincos_table(&theta, theta_start, theta_step, slices))
4653 cylinder->lpVtbl->UnlockIndexBuffer(cylinder);
4654 cylinder->lpVtbl->UnlockVertexBuffer(cylinder);
4655 cylinder->lpVtbl->Release(cylinder);
4656 return E_OUTOFMEMORY;
4662 delta_radius = radius1 - radius2;
4664 radius_step = delta_radius / stacks;
4667 z_step = length / stacks;
4668 z_normal = delta_radius / length;
4669 if (isnan(z_normal))
4674 vertices[vertex].normal.x = 0.0f;
4675 vertices[vertex].normal.y = 0.0f;
4676 vertices[vertex].normal.z = -1.0f;
4677 vertices[vertex].position.x = 0.0f;
4678 vertices[vertex].position.y = 0.0f;
4679 vertices[vertex++].position.z = z;
4681 for (slice = 0; slice < slices; slice++, vertex++)
4683 vertices[vertex].normal.x = 0.0f;
4684 vertices[vertex].normal.y = 0.0f;
4685 vertices[vertex].normal.z = -1.0f;
4686 vertices[vertex].position.x = radius * theta.cos[slice];
4687 vertices[vertex].position.y = radius * theta.sin[slice];
4688 vertices[vertex].position.z = z;
4693 faces[face][1] = slice;
4694 faces[face++][2] = slice + 1;
4699 faces[face][1] = slice;
4700 faces[face++][2] = 1;
4702 for (stack = 1; stack <= stacks+1; stack++)
4704 for (slice = 0; slice < slices; slice++, vertex++)
4706 vertices[vertex].normal.x = theta.cos[slice];
4707 vertices[vertex].normal.y = theta.sin[slice];
4708 vertices[vertex].normal.z = z_normal;
4709 D3DXVec3Normalize(&vertices[vertex].normal, &vertices[vertex].normal);
4710 vertices[vertex].position.x = radius * theta.cos[slice];
4711 vertices[vertex].position.y = radius * theta.sin[slice];
4712 vertices[vertex].position.z = z;
4714 if (stack > 1 && slice > 0)
4716 faces[face][0] = vertex_index(slices, slice-1, stack-1);
4717 faces[face][1] = vertex_index(slices, slice-1, stack);
4718 faces[face++][2] = vertex_index(slices, slice, stack-1);
4720 faces[face][0] = vertex_index(slices, slice, stack-1);
4721 faces[face][1] = vertex_index(slices, slice-1, stack);
4722 faces[face++][2] = vertex_index(slices, slice, stack);
4728 faces[face][0] = vertex_index(slices, slice-1, stack-1);
4729 faces[face][1] = vertex_index(slices, slice-1, stack);
4730 faces[face++][2] = vertex_index(slices, 0, stack-1);
4732 faces[face][0] = vertex_index(slices, 0, stack-1);
4733 faces[face][1] = vertex_index(slices, slice-1, stack);
4734 faces[face++][2] = vertex_index(slices, 0, stack);
4737 if (stack < stacks + 1)
4740 radius -= radius_step;
4744 for (slice = 0; slice < slices; slice++, vertex++)
4746 vertices[vertex].normal.x = 0.0f;
4747 vertices[vertex].normal.y = 0.0f;
4748 vertices[vertex].normal.z = 1.0f;
4749 vertices[vertex].position.x = radius * theta.cos[slice];
4750 vertices[vertex].position.y = radius * theta.sin[slice];
4751 vertices[vertex].position.z = z;
4755 faces[face][0] = vertex_index(slices, slice-1, stack);
4756 faces[face][1] = number_of_vertices - 1;
4757 faces[face++][2] = vertex_index(slices, slice, stack);
4761 vertices[vertex].position.x = 0.0f;
4762 vertices[vertex].position.y = 0.0f;
4763 vertices[vertex].position.z = z;
4764 vertices[vertex].normal.x = 0.0f;
4765 vertices[vertex].normal.y = 0.0f;
4766 vertices[vertex].normal.z = 1.0f;
4768 faces[face][0] = vertex_index(slices, slice-1, stack);
4769 faces[face][1] = number_of_vertices - 1;
4770 faces[face][2] = vertex_index(slices, 0, stack);
4772 free_sincos_table(&theta);
4773 cylinder->lpVtbl->UnlockIndexBuffer(cylinder);
4774 cylinder->lpVtbl->UnlockVertexBuffer(cylinder);
4780 HRESULT WINAPI D3DXCreateTeapot(LPDIRECT3DDEVICE9 device, LPD3DXMESH *mesh, LPD3DXBUFFER* adjacency)
4782 FIXME("(%p, %p, %p): stub\n", device, mesh, adjacency);
4787 HRESULT WINAPI D3DXCreateTextA(LPDIRECT3DDEVICE9 device,
4788 HDC hdc, LPCSTR text,
4789 FLOAT deviation, FLOAT extrusion,
4790 LPD3DXMESH *mesh, LPD3DXBUFFER *adjacency,
4791 LPGLYPHMETRICSFLOAT glyphmetrics)
4797 TRACE("(%p, %p, %s, %f, %f, %p, %p, %p)\n", device, hdc,
4798 debugstr_a(text), deviation, extrusion, mesh, adjacency, glyphmetrics);
4801 return D3DERR_INVALIDCALL;
4803 len = MultiByteToWideChar(CP_ACP, 0, text, -1, NULL, 0);
4804 textW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
4805 MultiByteToWideChar(CP_ACP, 0, text, -1, textW, len);
4807 hr = D3DXCreateTextW(device, hdc, textW, deviation, extrusion,
4808 mesh, adjacency, glyphmetrics);
4809 HeapFree(GetProcessHeap(), 0, textW);
4815 POINTTYPE_CURVE = 0,
4817 POINTTYPE_CURVE_START,
4818 POINTTYPE_CURVE_END,
4819 POINTTYPE_CURVE_MIDDLE,
4825 enum pointtype corner;
4828 struct dynamic_array
4830 int count, capacity;
4834 /* is a dynamic_array */
4837 int count, capacity;
4838 struct point2d *items;
4841 /* is a dynamic_array */
4842 struct outline_array
4844 int count, capacity;
4845 struct outline *items;
4854 struct point2d_index
4856 struct outline *outline;
4860 struct point2d_index_array
4863 struct point2d_index *items;
4868 struct outline_array outlines;
4869 struct face_array faces;
4870 struct point2d_index_array ordered_vertices;
4874 /* is an dynamic_array */
4877 int count, capacity;
4881 /* complex polygons are split into monotone polygons, which have
4882 * at most 2 intersections with the vertical sweep line */
4883 struct triangulation
4885 struct word_array vertex_stack;
4886 BOOL last_on_top, merging;
4889 /* is an dynamic_array */
4890 struct triangulation_array
4892 int count, capacity;
4893 struct triangulation *items;
4895 struct glyphinfo *glyph;
4898 static BOOL reserve(struct dynamic_array *array, int count, int itemsize)
4900 if (count > array->capacity) {
4903 if (array->items && array->capacity) {
4904 new_capacity = max(array->capacity * 2, count);
4905 new_buffer = HeapReAlloc(GetProcessHeap(), 0, array->items, new_capacity * itemsize);
4907 new_capacity = max(16, count);
4908 new_buffer = HeapAlloc(GetProcessHeap(), 0, new_capacity * itemsize);
4912 array->items = new_buffer;
4913 array->capacity = new_capacity;
4918 static struct point2d *add_points(struct outline *array, int num)
4920 struct point2d *item;
4922 if (!reserve((struct dynamic_array *)array, array->count + num, sizeof(array->items[0])))
4925 item = &array->items[array->count];
4926 array->count += num;
4930 static struct outline *add_outline(struct outline_array *array)
4932 struct outline *item;
4934 if (!reserve((struct dynamic_array *)array, array->count + 1, sizeof(array->items[0])))
4937 item = &array->items[array->count++];
4938 ZeroMemory(item, sizeof(*item));
4942 static inline face *add_face(struct face_array *array)
4944 return &array->items[array->count++];
4947 static struct triangulation *add_triangulation(struct triangulation_array *array)
4949 struct triangulation *item;
4951 if (!reserve((struct dynamic_array *)array, array->count + 1, sizeof(array->items[0])))
4954 item = &array->items[array->count++];
4955 ZeroMemory(item, sizeof(*item));
4959 static HRESULT add_vertex_index(struct word_array *array, WORD vertex_index)
4961 if (!reserve((struct dynamic_array *)array, array->count + 1, sizeof(array->items[0])))
4962 return E_OUTOFMEMORY;
4964 array->items[array->count++] = vertex_index;
4968 /* assume fixed point numbers can be converted to float point in place */
4969 C_ASSERT(sizeof(FIXED) == sizeof(float));
4970 C_ASSERT(sizeof(POINTFX) == sizeof(D3DXVECTOR2));
4972 static inline D3DXVECTOR2 *convert_fixed_to_float(POINTFX *pt, int count, float emsquare)
4974 D3DXVECTOR2 *ret = (D3DXVECTOR2*)pt;
4976 D3DXVECTOR2 *pt_flt = (D3DXVECTOR2*)pt;
4977 pt_flt->x = (pt->x.value + pt->x.fract / (float)0x10000) / emsquare;
4978 pt_flt->y = (pt->y.value + pt->y.fract / (float)0x10000) / emsquare;
4984 static HRESULT add_bezier_points(struct outline *outline, const D3DXVECTOR2 *p1,
4985 const D3DXVECTOR2 *p2, const D3DXVECTOR2 *p3,
4986 float max_deviation_sq)
4988 D3DXVECTOR2 split1 = {0, 0}, split2 = {0, 0}, middle, vec;
4991 D3DXVec2Scale(&split1, D3DXVec2Add(&split1, p1, p2), 0.5f);
4992 D3DXVec2Scale(&split2, D3DXVec2Add(&split2, p2, p3), 0.5f);
4993 D3DXVec2Scale(&middle, D3DXVec2Add(&middle, &split1, &split2), 0.5f);
4995 deviation_sq = D3DXVec2LengthSq(D3DXVec2Subtract(&vec, &middle, p2));
4996 if (deviation_sq < max_deviation_sq) {
4997 struct point2d *pt = add_points(outline, 1);
4998 if (!pt) return E_OUTOFMEMORY;
5000 pt->corner = POINTTYPE_CURVE;
5001 /* the end point is omitted because the end line merges into the next segment of
5002 * the split bezier curve, and the end of the split bezier curve is added outside
5003 * this recursive function. */
5005 HRESULT hr = add_bezier_points(outline, p1, &split1, &middle, max_deviation_sq);
5006 if (hr != S_OK) return hr;
5007 hr = add_bezier_points(outline, &middle, &split2, p3, max_deviation_sq);
5008 if (hr != S_OK) return hr;
5014 static inline BOOL is_direction_similar(D3DXVECTOR2 *dir1, D3DXVECTOR2 *dir2, float cos_theta)
5016 /* dot product = cos(theta) */
5017 return D3DXVec2Dot(dir1, dir2) > cos_theta;
5020 static inline D3DXVECTOR2 *unit_vec2(D3DXVECTOR2 *dir, const D3DXVECTOR2 *pt1, const D3DXVECTOR2 *pt2)
5022 return D3DXVec2Normalize(D3DXVec2Subtract(dir, pt2, pt1), dir);
5032 static BOOL attempt_line_merge(struct outline *outline,
5034 const D3DXVECTOR2 *nextpt,
5036 const struct cos_table *table)
5038 D3DXVECTOR2 curdir, lastdir;
5039 struct point2d *prevpt, *pt;
5042 pt = &outline->items[pt_index];
5043 pt_index = (pt_index - 1 + outline->count) % outline->count;
5044 prevpt = &outline->items[pt_index];
5047 pt->corner = pt->corner != POINTTYPE_CORNER ? POINTTYPE_CURVE_MIDDLE : POINTTYPE_CURVE_START;
5049 if (outline->count < 2)
5052 /* remove last point if the next line continues the last line */
5053 unit_vec2(&lastdir, &prevpt->pos, &pt->pos);
5054 unit_vec2(&curdir, &pt->pos, nextpt);
5055 if (is_direction_similar(&lastdir, &curdir, table->cos_half))
5058 if (pt->corner == POINTTYPE_CURVE_END)
5059 prevpt->corner = pt->corner;
5060 if (prevpt->corner == POINTTYPE_CURVE_END && to_curve)
5061 prevpt->corner = POINTTYPE_CURVE_MIDDLE;
5065 if (outline->count < 2)
5068 pt_index = (pt_index - 1 + outline->count) % outline->count;
5069 prevpt = &outline->items[pt_index];
5070 unit_vec2(&lastdir, &prevpt->pos, &pt->pos);
5071 unit_vec2(&curdir, &pt->pos, nextpt);
5076 static HRESULT create_outline(struct glyphinfo *glyph, void *raw_outline, int datasize,
5077 float max_deviation_sq, float emsquare, const struct cos_table *cos_table)
5079 TTPOLYGONHEADER *header = (TTPOLYGONHEADER *)raw_outline;
5081 while ((char *)header < (char *)raw_outline + datasize)
5083 TTPOLYCURVE *curve = (TTPOLYCURVE *)(header + 1);
5084 struct point2d *lastpt, *pt;
5085 D3DXVECTOR2 lastdir;
5086 D3DXVECTOR2 *pt_flt;
5088 struct outline *outline = add_outline(&glyph->outlines);
5091 return E_OUTOFMEMORY;
5093 pt = add_points(outline, 1);
5095 return E_OUTOFMEMORY;
5096 pt_flt = convert_fixed_to_float(&header->pfxStart, 1, emsquare);
5098 pt->corner = POINTTYPE_CORNER;
5100 if (header->dwType != TT_POLYGON_TYPE)
5101 FIXME("Unknown header type %d\n", header->dwType);
5103 while ((char *)curve < (char *)header + header->cb)
5105 D3DXVECTOR2 bezier_start = outline->items[outline->count - 1].pos;
5106 BOOL to_curve = curve->wType != TT_PRIM_LINE && curve->cpfx > 1;
5109 curve = (TTPOLYCURVE *)&curve->apfx[curve->cpfx];
5113 pt_flt = convert_fixed_to_float(curve->apfx, curve->cpfx, emsquare);
5115 attempt_line_merge(outline, outline->count - 1, &pt_flt[0], to_curve, cos_table);
5120 int count = curve->cpfx;
5125 D3DXVECTOR2 bezier_end;
5127 D3DXVec2Scale(&bezier_end, D3DXVec2Add(&bezier_end, &pt_flt[j], &pt_flt[j+1]), 0.5f);
5128 hr = add_bezier_points(outline, &bezier_start, &pt_flt[j], &bezier_end, max_deviation_sq);
5131 bezier_start = bezier_end;
5135 hr = add_bezier_points(outline, &bezier_start, &pt_flt[j], &pt_flt[j+1], max_deviation_sq);
5139 pt = add_points(outline, 1);
5141 return E_OUTOFMEMORY;
5143 pt->pos = pt_flt[j];
5144 pt->corner = POINTTYPE_CURVE_END;
5146 pt = add_points(outline, curve->cpfx);
5148 return E_OUTOFMEMORY;
5149 for (j = 0; j < curve->cpfx; j++)
5151 pt->pos = pt_flt[j];
5152 pt->corner = POINTTYPE_CORNER;
5157 curve = (TTPOLYCURVE *)&curve->apfx[curve->cpfx];
5160 /* remove last point if the next line continues the last line */
5161 if (outline->count >= 3) {
5164 lastpt = &outline->items[outline->count - 1];
5165 pt = &outline->items[0];
5166 if (pt->pos.x == lastpt->pos.x && pt->pos.y == lastpt->pos.y) {
5167 if (lastpt->corner == POINTTYPE_CURVE_END)
5169 if (pt->corner == POINTTYPE_CURVE_START)
5170 pt->corner = POINTTYPE_CURVE_MIDDLE;
5172 pt->corner = POINTTYPE_CURVE_END;
5175 lastpt = &outline->items[outline->count - 1];
5177 /* outline closed with a line from end to start point */
5178 attempt_line_merge(outline, outline->count - 1, &pt->pos, FALSE, cos_table);
5180 lastpt = &outline->items[0];
5181 to_curve = lastpt->corner != POINTTYPE_CORNER && lastpt->corner != POINTTYPE_CURVE_END;
5182 if (lastpt->corner == POINTTYPE_CURVE_START)
5183 lastpt->corner = POINTTYPE_CORNER;
5184 pt = &outline->items[1];
5185 if (attempt_line_merge(outline, 0, &pt->pos, to_curve, cos_table))
5186 *lastpt = outline->items[outline->count];
5189 lastpt = &outline->items[outline->count - 1];
5190 pt = &outline->items[0];
5191 unit_vec2(&lastdir, &lastpt->pos, &pt->pos);
5192 for (j = 0; j < outline->count; j++)
5197 pt = &outline->items[(j + 1) % outline->count];
5198 unit_vec2(&curdir, &lastpt->pos, &pt->pos);
5200 switch (lastpt->corner)
5202 case POINTTYPE_CURVE_START:
5203 case POINTTYPE_CURVE_END:
5204 if (!is_direction_similar(&lastdir, &curdir, cos_table->cos_45))
5205 lastpt->corner = POINTTYPE_CORNER;
5207 case POINTTYPE_CURVE_MIDDLE:
5208 if (!is_direction_similar(&lastdir, &curdir, cos_table->cos_90))
5209 lastpt->corner = POINTTYPE_CORNER;
5211 lastpt->corner = POINTTYPE_CURVE;
5219 header = (TTPOLYGONHEADER *)((char *)header + header->cb);
5224 /* Get the y-distance from a line to a point */
5225 static float get_line_to_point_y_distance(D3DXVECTOR2 *line_pt1,
5226 D3DXVECTOR2 *line_pt2,
5229 D3DXVECTOR2 line_vec = {0, 0};
5233 D3DXVec2Subtract(&line_vec, line_pt2, line_pt1);
5234 line_pt_dx = point->x - line_pt1->x;
5235 line_y = line_pt1->y + (line_vec.y * line_pt_dx) / line_vec.x;
5236 return point->y - line_y;
5239 static D3DXVECTOR2 *get_indexed_point(struct point2d_index *pt_idx)
5241 return &pt_idx->outline->items[pt_idx->vertex].pos;
5244 static D3DXVECTOR2 *get_ordered_vertex(struct glyphinfo *glyph, WORD index)
5246 return get_indexed_point(&glyph->ordered_vertices.items[index]);
5249 static void remove_triangulation(struct triangulation_array *array, struct triangulation *item)
5251 HeapFree(GetProcessHeap(), 0, item->vertex_stack.items);
5252 MoveMemory(item, item + 1, (char*)&array->items[array->count] - (char*)(item + 1));
5256 static HRESULT triangulation_add_point(struct triangulation **t_ptr,
5257 struct triangulation_array *triangulations,
5261 struct glyphinfo *glyph = triangulations->glyph;
5262 struct triangulation *t = *t_ptr;
5267 if (t->last_on_top) {
5275 if (t->last_on_top != to_top && t->vertex_stack.count > 1) {
5276 /* consume all vertices on the stack */
5277 WORD last_pt = t->vertex_stack.items[0];
5279 for (i = 1; i < t->vertex_stack.count; i++)
5281 face = add_face(&glyph->faces);
5282 if (!face) return E_OUTOFMEMORY;
5283 (*face)[0] = vtx_idx;
5284 (*face)[f1] = last_pt;
5285 (*face)[f2] = last_pt = t->vertex_stack.items[i];
5287 t->vertex_stack.items[0] = last_pt;
5288 t->vertex_stack.count = 1;
5289 } else if (t->vertex_stack.count > 1) {
5290 int i = t->vertex_stack.count - 1;
5291 D3DXVECTOR2 *point = get_ordered_vertex(glyph, vtx_idx);
5292 WORD top_idx = t->vertex_stack.items[i--];
5293 D3DXVECTOR2 *top_pt = get_ordered_vertex(glyph, top_idx);
5297 WORD prev_idx = t->vertex_stack.items[i--];
5298 D3DXVECTOR2 *prev_pt = get_ordered_vertex(glyph, prev_idx);
5300 if (prev_pt->x != top_pt->x &&
5301 ((to_top && get_line_to_point_y_distance(prev_pt, top_pt, point) > 0) ||
5302 (!to_top && get_line_to_point_y_distance(prev_pt, top_pt, point) < 0)))
5305 face = add_face(&glyph->faces);
5306 if (!face) return E_OUTOFMEMORY;
5307 (*face)[0] = vtx_idx;
5308 (*face)[f1] = prev_idx;
5309 (*face)[f2] = top_idx;
5313 t->vertex_stack.count--;
5316 t->last_on_top = to_top;
5318 hr = add_vertex_index(&t->vertex_stack, vtx_idx);
5320 if (hr == S_OK && t->merging) {
5321 struct triangulation *t2;
5323 t2 = to_top ? t - 1 : t + 1;
5324 t2->merging = FALSE;
5325 hr = triangulation_add_point(&t2, triangulations, vtx_idx, to_top);
5326 if (hr != S_OK) return hr;
5327 remove_triangulation(triangulations, t);
5335 /* check if the point is next on the outline for either the top or bottom */
5336 static D3DXVECTOR2 *triangulation_get_next_point(struct triangulation *t, struct glyphinfo *glyph, BOOL on_top)
5338 int i = t->last_on_top == on_top ? t->vertex_stack.count - 1 : 0;
5339 WORD idx = t->vertex_stack.items[i];
5340 struct point2d_index *pt_idx = &glyph->ordered_vertices.items[idx];
5341 struct outline *outline = pt_idx->outline;
5344 i = (pt_idx->vertex + outline->count - 1) % outline->count;
5346 i = (pt_idx->vertex + 1) % outline->count;
5348 return &outline->items[i].pos;
5351 static int compare_vertex_indices(const void *a, const void *b)
5353 const struct point2d_index *idx1 = a, *idx2 = b;
5354 const D3DXVECTOR2 *p1 = &idx1->outline->items[idx1->vertex].pos;
5355 const D3DXVECTOR2 *p2 = &idx2->outline->items[idx2->vertex].pos;
5356 float diff = p1->x - p2->x;
5359 diff = p1->y - p2->y;
5361 return diff == 0.0f ? 0 : (diff > 0.0f ? -1 : 1);
5364 static HRESULT triangulate(struct triangulation_array *triangulations)
5368 struct glyphinfo *glyph = triangulations->glyph;
5369 int nb_vertices = 0;
5371 struct point2d_index *idx_ptr;
5373 for (i = 0; i < glyph->outlines.count; i++)
5374 nb_vertices += glyph->outlines.items[i].count;
5376 glyph->ordered_vertices.items = HeapAlloc(GetProcessHeap(), 0,
5377 nb_vertices * sizeof(*glyph->ordered_vertices.items));
5378 if (!glyph->ordered_vertices.items)
5379 return E_OUTOFMEMORY;
5381 idx_ptr = glyph->ordered_vertices.items;
5382 for (i = 0; i < glyph->outlines.count; i++)
5384 struct outline *outline = &glyph->outlines.items[i];
5387 idx_ptr->outline = outline;
5388 idx_ptr->vertex = 0;
5390 for (j = outline->count - 1; j > 0; j--)
5392 idx_ptr->outline = outline;
5393 idx_ptr->vertex = j;
5397 glyph->ordered_vertices.count = nb_vertices;
5399 /* Native implementation seems to try to create a triangle fan from
5400 * the first outline point if the glyph only has one outline. */
5401 if (glyph->outlines.count == 1)
5403 struct outline *outline = glyph->outlines.items;
5404 D3DXVECTOR2 *base = &outline->items[0].pos;
5405 D3DXVECTOR2 *last = &outline->items[1].pos;
5408 for (i = 2; i < outline->count; i++)
5410 D3DXVECTOR2 *next = &outline->items[i].pos;
5411 D3DXVECTOR2 v1 = {0.0f, 0.0f};
5412 D3DXVECTOR2 v2 = {0.0f, 0.0f};
5414 D3DXVec2Subtract(&v1, base, last);
5415 D3DXVec2Subtract(&v2, last, next);
5416 ccw = D3DXVec2CCW(&v1, &v2);
5424 glyph->faces.items = HeapAlloc(GetProcessHeap(), 0,
5425 (outline->count - 2) * sizeof(glyph->faces.items[0]));
5426 if (!glyph->faces.items)
5427 return E_OUTOFMEMORY;
5429 glyph->faces.count = outline->count - 2;
5430 for (i = 0; i < glyph->faces.count; i++)
5432 glyph->faces.items[i][0] = 0;
5433 glyph->faces.items[i][1] = i + 1;
5434 glyph->faces.items[i][2] = i + 2;
5440 /* Perform 2D polygon triangulation for complex glyphs.
5441 * Triangulation is performed using a sweep line concept, from right to left,
5442 * by processing vertices in sorted order. Complex polygons are split into
5443 * monotone polygons which are triangulated separately. */
5444 /* FIXME: The order of the faces is not consistent with the native implementation. */
5446 /* Reserve space for maximum possible faces from triangulation.
5447 * # faces for outer outlines = outline->count - 2
5448 * # faces for inner outlines = outline->count + 2
5449 * There must be at least 1 outer outline. */
5450 glyph->faces.items = HeapAlloc(GetProcessHeap(), 0,
5451 (nb_vertices + glyph->outlines.count * 2 - 4) * sizeof(glyph->faces.items[0]));
5452 if (!glyph->faces.items)
5453 return E_OUTOFMEMORY;
5455 qsort(glyph->ordered_vertices.items, nb_vertices,
5456 sizeof(glyph->ordered_vertices.items[0]), compare_vertex_indices);
5457 for (sweep_idx = 0; sweep_idx < glyph->ordered_vertices.count; sweep_idx++)
5460 int end = triangulations->count;
5464 D3DXVECTOR2 *sweep_vtx = get_ordered_vertex(glyph, sweep_idx);
5465 int current = (start + end) / 2;
5466 struct triangulation *t = &triangulations->items[current];
5467 BOOL on_top_outline = FALSE;
5468 D3DXVECTOR2 *top_next, *bottom_next;
5469 WORD top_idx, bottom_idx;
5471 if (t->merging && t->last_on_top)
5472 top_next = triangulation_get_next_point(t + 1, glyph, TRUE);
5474 top_next = triangulation_get_next_point(t, glyph, TRUE);
5475 if (sweep_vtx == top_next)
5477 if (t->merging && t->last_on_top)
5479 hr = triangulation_add_point(&t, triangulations, sweep_idx, TRUE);
5480 if (hr != S_OK) return hr;
5482 if (t + 1 < &triangulations->items[triangulations->count] &&
5483 triangulation_get_next_point(t + 1, glyph, FALSE) == sweep_vtx)
5485 /* point also on bottom outline of higher triangulation */
5486 struct triangulation *t2 = t + 1;
5487 hr = triangulation_add_point(&t2, triangulations, sweep_idx, FALSE);
5488 if (hr != S_OK) return hr;
5493 on_top_outline = TRUE;
5496 if (t->merging && !t->last_on_top)
5497 bottom_next = triangulation_get_next_point(t - 1, glyph, FALSE);
5499 bottom_next = triangulation_get_next_point(t, glyph, FALSE);
5500 if (sweep_vtx == bottom_next)
5502 if (t->merging && !t->last_on_top)
5504 if (on_top_outline) {
5505 /* outline finished */
5506 remove_triangulation(triangulations, t);
5510 hr = triangulation_add_point(&t, triangulations, sweep_idx, FALSE);
5511 if (hr != S_OK) return hr;
5513 if (t > triangulations->items &&
5514 triangulation_get_next_point(t - 1, glyph, TRUE) == sweep_vtx)
5516 struct triangulation *t2 = t - 1;
5517 /* point also on top outline of lower triangulation */
5518 hr = triangulation_add_point(&t2, triangulations, sweep_idx, TRUE);
5519 if (hr != S_OK) return hr;
5520 t = t2 + 1; /* t may be invalidated by triangulation merging */
5530 if (t->last_on_top) {
5531 top_idx = t->vertex_stack.items[t->vertex_stack.count - 1];
5532 bottom_idx = t->vertex_stack.items[0];
5534 top_idx = t->vertex_stack.items[0];
5535 bottom_idx = t->vertex_stack.items[t->vertex_stack.count - 1];
5538 /* check if the point is inside or outside this polygon */
5539 if (get_line_to_point_y_distance(get_ordered_vertex(glyph, top_idx),
5540 top_next, sweep_vtx) > 0)
5542 start = current + 1;
5543 } else if (get_line_to_point_y_distance(get_ordered_vertex(glyph, bottom_idx),
5544 bottom_next, sweep_vtx) < 0)
5547 } else if (t->merging) {
5548 /* inside, so cancel merging */
5549 struct triangulation *t2 = t->last_on_top ? t + 1 : t - 1;
5551 t2->merging = FALSE;
5552 hr = triangulation_add_point(&t, triangulations, sweep_idx, t->last_on_top);
5553 if (hr != S_OK) return hr;
5554 hr = triangulation_add_point(&t2, triangulations, sweep_idx, t2->last_on_top);
5555 if (hr != S_OK) return hr;
5558 /* inside, so split polygon into two monotone parts */
5559 struct triangulation *t2 = add_triangulation(triangulations);
5560 if (!t2) return E_OUTOFMEMORY;
5561 MoveMemory(t + 1, t, (char*)(t2 + 1) - (char*)t);
5562 if (t->last_on_top) {
5569 ZeroMemory(&t2->vertex_stack, sizeof(t2->vertex_stack));
5570 hr = add_vertex_index(&t2->vertex_stack, t->vertex_stack.items[t->vertex_stack.count - 1]);
5571 if (hr != S_OK) return hr;
5572 hr = add_vertex_index(&t2->vertex_stack, sweep_idx);
5573 if (hr != S_OK) return hr;
5574 t2->last_on_top = !t->last_on_top;
5576 hr = triangulation_add_point(&t, triangulations, sweep_idx, t->last_on_top);
5577 if (hr != S_OK) return hr;
5583 struct triangulation *t;
5584 struct triangulation *t2 = add_triangulation(triangulations);
5585 if (!t2) return E_OUTOFMEMORY;
5586 t = &triangulations->items[start];
5587 MoveMemory(t + 1, t, (char*)(t2 + 1) - (char*)t);
5588 ZeroMemory(t, sizeof(*t));
5589 hr = add_vertex_index(&t->vertex_stack, sweep_idx);
5590 if (hr != S_OK) return hr;
5596 HRESULT WINAPI D3DXCreateTextW(LPDIRECT3DDEVICE9 device,
5597 HDC hdc, LPCWSTR text,
5598 FLOAT deviation, FLOAT extrusion,
5599 LPD3DXMESH *mesh_ptr, LPD3DXBUFFER *adjacency,
5600 LPGLYPHMETRICSFLOAT glyphmetrics)
5603 ID3DXMesh *mesh = NULL;
5604 DWORD nb_vertices, nb_faces;
5605 DWORD nb_front_faces, nb_corners, nb_outline_points;
5606 struct vertex *vertices = NULL;
5611 OUTLINETEXTMETRICW otm;
5612 HFONT font = NULL, oldfont = NULL;
5613 const MAT2 identity = {{0, 1}, {0, 0}, {0, 0}, {0, 1}};
5614 void *raw_outline = NULL;
5616 struct glyphinfo *glyphs = NULL;
5618 struct triangulation_array triangulations = {0, 0, NULL};
5620 struct vertex *vertex_ptr;
5622 float max_deviation_sq;
5623 const struct cos_table cos_table = {
5624 cos(D3DXToRadian(0.5f)),
5625 cos(D3DXToRadian(45.0f)),
5626 cos(D3DXToRadian(90.0f)),
5630 TRACE("(%p, %p, %s, %f, %f, %p, %p, %p)\n", device, hdc,
5631 debugstr_w(text), deviation, extrusion, mesh_ptr, adjacency, glyphmetrics);
5633 if (!device || !hdc || !text || !*text || deviation < 0.0f || extrusion < 0.0f || !mesh_ptr)
5634 return D3DERR_INVALIDCALL;
5638 FIXME("Case of adjacency != NULL not implemented.\n");
5642 if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(lf), &lf) ||
5643 !GetOutlineTextMetricsW(hdc, sizeof(otm), &otm))
5645 return D3DERR_INVALIDCALL;
5648 if (deviation == 0.0f)
5649 deviation = 1.0f / otm.otmEMSquare;
5650 max_deviation_sq = deviation * deviation;
5652 lf.lfHeight = otm.otmEMSquare;
5654 font = CreateFontIndirectW(&lf);
5659 oldfont = SelectObject(hdc, font);
5661 textlen = strlenW(text);
5662 for (i = 0; i < textlen; i++)
5664 int datasize = GetGlyphOutlineW(hdc, text[i], GGO_NATIVE, &gm, 0, NULL, &identity);
5666 return D3DERR_INVALIDCALL;
5667 if (bufsize < datasize)
5670 if (!bufsize) { /* e.g. text == " " */
5671 hr = D3DERR_INVALIDCALL;
5675 glyphs = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, textlen * sizeof(*glyphs));
5676 raw_outline = HeapAlloc(GetProcessHeap(), 0, bufsize);
5677 if (!glyphs || !raw_outline) {
5683 for (i = 0; i < textlen; i++)
5685 /* get outline points from data returned from GetGlyphOutline */
5688 glyphs[i].offset_x = offset_x;
5690 datasize = GetGlyphOutlineW(hdc, text[i], GGO_NATIVE, &gm, bufsize, raw_outline, &identity);
5691 hr = create_outline(&glyphs[i], raw_outline, datasize,
5692 max_deviation_sq, otm.otmEMSquare, &cos_table);
5693 if (hr != S_OK) goto error;
5695 triangulations.glyph = &glyphs[i];
5696 hr = triangulate(&triangulations);
5697 if (hr != S_OK) goto error;
5698 if (triangulations.count) {
5699 ERR("%d incomplete triangulations of glyph (%u).\n", triangulations.count, text[i]);
5700 triangulations.count = 0;
5705 glyphmetrics[i].gmfBlackBoxX = gm.gmBlackBoxX / (float)otm.otmEMSquare;
5706 glyphmetrics[i].gmfBlackBoxY = gm.gmBlackBoxY / (float)otm.otmEMSquare;
5707 glyphmetrics[i].gmfptGlyphOrigin.x = gm.gmptGlyphOrigin.x / (float)otm.otmEMSquare;
5708 glyphmetrics[i].gmfptGlyphOrigin.y = gm.gmptGlyphOrigin.y / (float)otm.otmEMSquare;
5709 glyphmetrics[i].gmfCellIncX = gm.gmCellIncX / (float)otm.otmEMSquare;
5710 glyphmetrics[i].gmfCellIncY = gm.gmCellIncY / (float)otm.otmEMSquare;
5712 offset_x += gm.gmCellIncX / (float)otm.otmEMSquare;
5715 /* corner points need an extra vertex for the different side faces normals */
5717 nb_outline_points = 0;
5719 for (i = 0; i < textlen; i++)
5722 nb_outline_points += glyphs[i].ordered_vertices.count;
5723 nb_front_faces += glyphs[i].faces.count;
5724 for (j = 0; j < glyphs[i].outlines.count; j++)
5727 struct outline *outline = &glyphs[i].outlines.items[j];
5728 nb_corners++; /* first outline point always repeated as a corner */
5729 for (k = 1; k < outline->count; k++)
5730 if (outline->items[k].corner)
5735 nb_vertices = (nb_outline_points + nb_corners) * 2 + nb_outline_points * 2;
5736 nb_faces = nb_outline_points * 2 + nb_front_faces * 2;
5739 hr = D3DXCreateMeshFVF(nb_faces, nb_vertices, D3DXMESH_MANAGED,
5740 D3DFVF_XYZ | D3DFVF_NORMAL, device, &mesh);
5744 hr = mesh->lpVtbl->LockVertexBuffer(mesh, 0, (LPVOID *)&vertices);
5748 hr = mesh->lpVtbl->LockIndexBuffer(mesh, 0, (LPVOID *)&faces);
5752 /* convert 2D vertices and faces into 3D mesh */
5753 vertex_ptr = vertices;
5755 if (extrusion == 0.0f) {
5762 for (i = 0; i < textlen; i++)
5766 struct vertex *back_vertices;
5769 /* side vertices and faces */
5770 for (j = 0; j < glyphs[i].outlines.count; j++)
5772 struct vertex *outline_vertices = vertex_ptr;
5773 struct outline *outline = &glyphs[i].outlines.items[j];
5775 struct point2d *prevpt = &outline->items[outline->count - 1];
5776 struct point2d *pt = &outline->items[0];
5778 for (k = 1; k <= outline->count; k++)
5781 struct point2d *nextpt = &outline->items[k % outline->count];
5782 WORD vtx_idx = vertex_ptr - vertices;
5785 if (pt->corner == POINTTYPE_CURVE_START)
5786 D3DXVec2Subtract(&vec, &pt->pos, &prevpt->pos);
5787 else if (pt->corner)
5788 D3DXVec2Subtract(&vec, &nextpt->pos, &pt->pos);
5790 D3DXVec2Subtract(&vec, &nextpt->pos, &prevpt->pos);
5791 D3DXVec2Normalize(&vec, &vec);
5792 vtx.normal.x = -vec.y;
5793 vtx.normal.y = vec.x;
5796 vtx.position.x = pt->pos.x + glyphs[i].offset_x;
5797 vtx.position.y = pt->pos.y;
5799 *vertex_ptr++ = vtx;
5801 vtx.position.z = -extrusion;
5802 *vertex_ptr++ = vtx;
5804 vtx.position.x = nextpt->pos.x + glyphs[i].offset_x;
5805 vtx.position.y = nextpt->pos.y;
5806 if (pt->corner && nextpt->corner && nextpt->corner != POINTTYPE_CURVE_END) {
5807 vtx.position.z = -extrusion;
5808 *vertex_ptr++ = vtx;
5810 *vertex_ptr++ = vtx;
5812 (*face_ptr)[0] = vtx_idx;
5813 (*face_ptr)[1] = vtx_idx + 2;
5814 (*face_ptr)[2] = vtx_idx + 1;
5817 (*face_ptr)[0] = vtx_idx;
5818 (*face_ptr)[1] = vtx_idx + 3;
5819 (*face_ptr)[2] = vtx_idx + 2;
5822 if (nextpt->corner) {
5823 if (nextpt->corner == POINTTYPE_CURVE_END) {
5824 D3DXVECTOR2 *nextpt2 = &outline->items[(k + 1) % outline->count].pos;
5825 D3DXVec2Subtract(&vec, nextpt2, &nextpt->pos);
5827 D3DXVec2Subtract(&vec, &nextpt->pos, &pt->pos);
5829 D3DXVec2Normalize(&vec, &vec);
5830 vtx.normal.x = -vec.y;
5831 vtx.normal.y = vec.x;
5834 *vertex_ptr++ = vtx;
5835 vtx.position.z = -extrusion;
5836 *vertex_ptr++ = vtx;
5839 (*face_ptr)[0] = vtx_idx;
5840 (*face_ptr)[1] = vtx_idx + 3;
5841 (*face_ptr)[2] = vtx_idx + 1;
5844 (*face_ptr)[0] = vtx_idx;
5845 (*face_ptr)[1] = vtx_idx + 2;
5846 (*face_ptr)[2] = vtx_idx + 3;
5854 *vertex_ptr++ = *outline_vertices++;
5855 *vertex_ptr++ = *outline_vertices++;
5859 /* back vertices and faces */
5860 back_faces = face_ptr;
5861 back_vertices = vertex_ptr;
5862 for (j = 0; j < glyphs[i].ordered_vertices.count; j++)
5864 D3DXVECTOR2 *pt = get_ordered_vertex(&glyphs[i], j);
5865 vertex_ptr->position.x = pt->x + glyphs[i].offset_x;
5866 vertex_ptr->position.y = pt->y;
5867 vertex_ptr->position.z = 0;
5868 vertex_ptr->normal.x = 0;
5869 vertex_ptr->normal.y = 0;
5870 vertex_ptr->normal.z = 1;
5873 count = back_vertices - vertices;
5874 for (j = 0; j < glyphs[i].faces.count; j++)
5876 face *f = &glyphs[i].faces.items[j];
5877 (*face_ptr)[0] = (*f)[0] + count;
5878 (*face_ptr)[1] = (*f)[1] + count;
5879 (*face_ptr)[2] = (*f)[2] + count;
5883 /* front vertices and faces */
5884 j = count = vertex_ptr - back_vertices;
5887 vertex_ptr->position.x = back_vertices->position.x;
5888 vertex_ptr->position.y = back_vertices->position.y;
5889 vertex_ptr->position.z = -extrusion;
5890 vertex_ptr->normal.x = 0;
5891 vertex_ptr->normal.y = 0;
5892 vertex_ptr->normal.z = extrusion == 0.0f ? 1.0f : -1.0f;
5896 j = face_ptr - back_faces;
5899 (*face_ptr)[0] = (*back_faces)[0] + count;
5900 (*face_ptr)[1] = (*back_faces)[f1] + count;
5901 (*face_ptr)[2] = (*back_faces)[f2] + count;
5911 if (faces) mesh->lpVtbl->UnlockIndexBuffer(mesh);
5912 if (vertices) mesh->lpVtbl->UnlockVertexBuffer(mesh);
5913 if (hr != D3D_OK) mesh->lpVtbl->Release(mesh);
5916 for (i = 0; i < textlen; i++)
5919 for (j = 0; j < glyphs[i].outlines.count; j++)
5920 HeapFree(GetProcessHeap(), 0, glyphs[i].outlines.items[j].items);
5921 HeapFree(GetProcessHeap(), 0, glyphs[i].outlines.items);
5922 HeapFree(GetProcessHeap(), 0, glyphs[i].faces.items);
5923 HeapFree(GetProcessHeap(), 0, glyphs[i].ordered_vertices.items);
5925 HeapFree(GetProcessHeap(), 0, glyphs);
5927 if (triangulations.items) {
5929 for (i = 0; i < triangulations.count; i++)
5930 HeapFree(GetProcessHeap(), 0, triangulations.items[i].vertex_stack.items);
5931 HeapFree(GetProcessHeap(), 0, triangulations.items);
5933 HeapFree(GetProcessHeap(), 0, raw_outline);
5934 if (oldfont) SelectObject(hdc, oldfont);
5935 if (font) DeleteObject(font);
5940 HRESULT WINAPI D3DXValidMesh(LPD3DXMESH mesh, CONST DWORD *adjacency, LPD3DXBUFFER *errors_and_warnings)
5942 FIXME("(%p, %p, %p): stub\n", mesh, adjacency, *errors_and_warnings);
5947 static BOOL weld_float1(void *to, void *from, FLOAT epsilon)
5952 if (fabsf(*v1 - *v2) <= epsilon)
5962 static BOOL weld_float2(void *to, void *from, FLOAT epsilon)
5964 D3DXVECTOR2 *v1 = to;
5965 D3DXVECTOR2 *v2 = from;
5966 FLOAT diff_x = fabsf(v1->x - v2->x);
5967 FLOAT diff_y = fabsf(v1->y - v2->y);
5968 FLOAT max_abs_diff = max(diff_x, diff_y);
5970 if (max_abs_diff <= epsilon)
5972 memcpy(to, from, sizeof(D3DXVECTOR2));
5980 static BOOL weld_float3(void *to, void *from, FLOAT epsilon)
5982 D3DXVECTOR3 *v1 = to;
5983 D3DXVECTOR3 *v2 = from;
5984 FLOAT diff_x = fabsf(v1->x - v2->x);
5985 FLOAT diff_y = fabsf(v1->y - v2->y);
5986 FLOAT diff_z = fabsf(v1->z - v2->z);
5987 FLOAT max_abs_diff = max(diff_x, diff_y);
5988 max_abs_diff = max(diff_z, max_abs_diff);
5990 if (max_abs_diff <= epsilon)
5992 memcpy(to, from, sizeof(D3DXVECTOR3));
6000 static BOOL weld_float4(void *to, void *from, FLOAT epsilon)
6002 D3DXVECTOR4 *v1 = to;
6003 D3DXVECTOR4 *v2 = from;
6004 FLOAT diff_x = fabsf(v1->x - v2->x);
6005 FLOAT diff_y = fabsf(v1->y - v2->y);
6006 FLOAT diff_z = fabsf(v1->z - v2->z);
6007 FLOAT diff_w = fabsf(v1->w - v2->w);
6008 FLOAT max_abs_diff = fmax(diff_x, diff_y);
6009 max_abs_diff = max(diff_z, max_abs_diff);
6010 max_abs_diff = max(diff_w, max_abs_diff);
6012 if (max_abs_diff <= epsilon)
6014 memcpy(to, from, sizeof(D3DXVECTOR4));
6022 static BOOL weld_ubyte4(void *to, void *from, FLOAT epsilon)
6026 BYTE truncated_epsilon = (BYTE)epsilon;
6027 BYTE diff_x = b1[0] > b2[0] ? b1[0] - b2[0] : b2[0] - b1[0];
6028 BYTE diff_y = b1[1] > b2[1] ? b1[1] - b2[1] : b2[1] - b1[1];
6029 BYTE diff_z = b1[2] > b2[2] ? b1[2] - b2[2] : b2[2] - b1[2];
6030 BYTE diff_w = b1[3] > b2[3] ? b1[3] - b2[3] : b2[3] - b1[3];
6031 BYTE max_diff = max(diff_x, diff_y);
6032 max_diff = max(diff_z, max_diff);
6033 max_diff = max(diff_w, max_diff);
6035 if (max_diff <= truncated_epsilon)
6037 memcpy(to, from, 4 * sizeof(BYTE));
6045 static BOOL weld_ubyte4n(void *to, void *from, FLOAT epsilon)
6047 return weld_ubyte4(to, from, epsilon * UCHAR_MAX);
6050 static BOOL weld_d3dcolor(void *to, void *from, FLOAT epsilon)
6052 return weld_ubyte4n(to, from, epsilon);
6055 static BOOL weld_short2(void *to, void *from, FLOAT epsilon)
6059 SHORT truncated_epsilon = (SHORT)epsilon;
6060 SHORT diff_x = abs(s1[0] - s2[0]);
6061 SHORT diff_y = abs(s1[1] - s2[1]);
6062 SHORT max_abs_diff = max(diff_x, diff_y);
6064 if (max_abs_diff <= truncated_epsilon)
6066 memcpy(to, from, 2 * sizeof(SHORT));
6074 static BOOL weld_short2n(void *to, void *from, FLOAT epsilon)
6076 return weld_short2(to, from, epsilon * SHRT_MAX);
6079 static BOOL weld_short4(void *to, void *from, FLOAT epsilon)
6083 SHORT truncated_epsilon = (SHORT)epsilon;
6084 SHORT diff_x = abs(s1[0] - s2[0]);
6085 SHORT diff_y = abs(s1[1] - s2[1]);
6086 SHORT diff_z = abs(s1[2] - s2[2]);
6087 SHORT diff_w = abs(s1[3] - s2[3]);
6088 SHORT max_abs_diff = max(diff_x, diff_y);
6089 max_abs_diff = max(diff_z, max_abs_diff);
6090 max_abs_diff = max(diff_w, max_abs_diff);
6092 if (max_abs_diff <= truncated_epsilon)
6094 memcpy(to, from, 4 * sizeof(SHORT));
6102 static BOOL weld_short4n(void *to, void *from, FLOAT epsilon)
6104 return weld_short4(to, from, epsilon * SHRT_MAX);
6107 static BOOL weld_ushort2n(void *to, void *from, FLOAT epsilon)
6111 USHORT scaled_epsilon = (USHORT)(epsilon * USHRT_MAX);
6112 USHORT diff_x = s1[0] > s2[0] ? s1[0] - s2[0] : s2[0] - s1[0];
6113 USHORT diff_y = s1[1] > s2[1] ? s1[1] - s2[1] : s2[1] - s1[1];
6114 USHORT max_diff = max(diff_x, diff_y);
6116 if (max_diff <= scaled_epsilon)
6118 memcpy(to, from, 2 * sizeof(USHORT));
6126 static BOOL weld_ushort4n(void *to, void *from, FLOAT epsilon)
6130 USHORT scaled_epsilon = (USHORT)(epsilon * USHRT_MAX);
6131 USHORT diff_x = s1[0] > s2[0] ? s1[0] - s2[0] : s2[0] - s1[0];
6132 USHORT diff_y = s1[1] > s2[1] ? s1[1] - s2[1] : s2[1] - s1[1];
6133 USHORT diff_z = s1[2] > s2[2] ? s1[2] - s2[2] : s2[2] - s1[2];
6134 USHORT diff_w = s1[3] > s2[3] ? s1[3] - s2[3] : s2[3] - s1[3];
6135 USHORT max_diff = max(diff_x, diff_y);
6136 max_diff = max(diff_z, max_diff);
6137 max_diff = max(diff_w, max_diff);
6139 if (max_diff <= scaled_epsilon)
6141 memcpy(to, from, 4 * sizeof(USHORT));
6157 static struct udec3 dword_to_udec3(DWORD d)
6162 v.y = (d & 0xffc00) >> 10;
6163 v.z = (d & 0x3ff00000) >> 20;
6164 v.w = (d & 0xc0000000) >> 30;
6169 static BOOL weld_udec3(void *to, void *from, FLOAT epsilon)
6173 struct udec3 v1 = dword_to_udec3(*d1);
6174 struct udec3 v2 = dword_to_udec3(*d2);
6175 UINT truncated_epsilon = (UINT)epsilon;
6176 UINT diff_x = v1.x > v2.x ? v1.x - v2.x : v2.x - v1.x;
6177 UINT diff_y = v1.y > v2.y ? v1.y - v2.y : v2.y - v1.y;
6178 UINT diff_z = v1.z > v2.z ? v1.z - v2.z : v2.z - v1.z;
6179 UINT diff_w = v1.w > v2.w ? v1.w - v2.w : v2.w - v1.w;
6180 UINT max_diff = max(diff_x, diff_y);
6181 max_diff = max(diff_z, max_diff);
6182 max_diff = max(diff_w, max_diff);
6184 if (max_diff <= truncated_epsilon)
6186 memcpy(to, from, sizeof(DWORD));
6202 static struct dec3n dword_to_dec3n(DWORD d)
6207 v.y = (d & 0xffc00) >> 10;
6208 v.z = (d & 0x3ff00000) >> 20;
6209 v.w = (d & 0xc0000000) >> 30;
6214 static BOOL weld_dec3n(void *to, void *from, FLOAT epsilon)
6216 const UINT MAX_DEC3N = 511;
6219 struct dec3n v1 = dword_to_dec3n(*d1);
6220 struct dec3n v2 = dword_to_dec3n(*d2);
6221 INT scaled_epsilon = (INT)(epsilon * MAX_DEC3N);
6222 INT diff_x = abs(v1.x - v2.x);
6223 INT diff_y = abs(v1.y - v2.y);
6224 INT diff_z = abs(v1.z - v2.z);
6225 INT diff_w = abs(v1.w - v2.w);
6226 INT max_abs_diff = max(diff_x, diff_y);
6227 max_abs_diff = max(diff_z, max_abs_diff);
6228 max_abs_diff = max(diff_w, max_abs_diff);
6230 if (max_abs_diff <= scaled_epsilon)
6232 memcpy(to, from, sizeof(DWORD));
6240 static BOOL weld_float16_2(void *to, void *from, FLOAT epsilon)
6242 D3DXFLOAT16 *v1_float16 = to;
6243 D3DXFLOAT16 *v2_float16 = from;
6247 const UINT NUM_ELEM = 2;
6251 D3DXFloat16To32Array(v1, v1_float16, NUM_ELEM);
6252 D3DXFloat16To32Array(v2, v2_float16, NUM_ELEM);
6254 diff_x = fabsf(v1[0] - v2[0]);
6255 diff_y = fabsf(v1[1] - v2[1]);
6256 max_abs_diff = max(diff_x, diff_y);
6258 if (max_abs_diff <= epsilon)
6260 memcpy(to, from, NUM_ELEM * sizeof(D3DXFLOAT16));
6268 static BOOL weld_float16_4(void *to, void *from, FLOAT epsilon)
6270 D3DXFLOAT16 *v1_float16 = to;
6271 D3DXFLOAT16 *v2_float16 = from;
6277 const UINT NUM_ELEM = 4;
6281 D3DXFloat16To32Array(v1, v1_float16, NUM_ELEM);
6282 D3DXFloat16To32Array(v2, v2_float16, NUM_ELEM);
6284 diff_x = fabsf(v1[0] - v2[0]);
6285 diff_y = fabsf(v1[1] - v2[1]);
6286 diff_z = fabsf(v1[2] - v2[2]);
6287 diff_w = fabsf(v1[3] - v2[3]);
6288 max_abs_diff = max(diff_x, diff_y);
6289 max_abs_diff = max(diff_z, max_abs_diff);
6290 max_abs_diff = max(diff_w, max_abs_diff);
6292 if (max_abs_diff <= epsilon)
6294 memcpy(to, from, NUM_ELEM * sizeof(D3DXFLOAT16));
6302 /* Sets the vertex components to the same value if they are within epsilon. */
6303 static BOOL weld_component(void *to, void *from, D3DDECLTYPE type, FLOAT epsilon)
6305 /* Quiet FIXMEs as this is in a loop with potentially thousand of iterations. */
6306 BOOL fixme_once_unused = FALSE;
6307 BOOL fixme_once_unknown = FALSE;
6311 case D3DDECLTYPE_FLOAT1:
6312 return weld_float1(to, from, epsilon);
6314 case D3DDECLTYPE_FLOAT2:
6315 return weld_float2(to, from, epsilon);
6317 case D3DDECLTYPE_FLOAT3:
6318 return weld_float3(to, from, epsilon);
6320 case D3DDECLTYPE_FLOAT4:
6321 return weld_float4(to, from, epsilon);
6323 case D3DDECLTYPE_D3DCOLOR:
6324 return weld_d3dcolor(to, from, epsilon);
6326 case D3DDECLTYPE_UBYTE4:
6327 return weld_ubyte4(to, from, epsilon);
6329 case D3DDECLTYPE_SHORT2:
6330 return weld_short2(to, from, epsilon);
6332 case D3DDECLTYPE_SHORT4:
6333 return weld_short4(to, from, epsilon);
6335 case D3DDECLTYPE_UBYTE4N:
6336 return weld_ubyte4n(to, from, epsilon);
6338 case D3DDECLTYPE_SHORT2N:
6339 return weld_short2n(to, from, epsilon);
6341 case D3DDECLTYPE_SHORT4N:
6342 return weld_short4n(to, from, epsilon);
6344 case D3DDECLTYPE_USHORT2N:
6345 return weld_ushort2n(to, from, epsilon);
6347 case D3DDECLTYPE_USHORT4N:
6348 return weld_ushort4n(to, from, epsilon);
6350 case D3DDECLTYPE_UDEC3:
6351 return weld_udec3(to, from, epsilon);
6353 case D3DDECLTYPE_DEC3N:
6354 return weld_dec3n(to, from, epsilon);
6356 case D3DDECLTYPE_FLOAT16_2:
6357 return weld_float16_2(to, from, epsilon);
6359 case D3DDECLTYPE_FLOAT16_4:
6360 return weld_float16_4(to, from, epsilon);
6362 case D3DDECLTYPE_UNUSED:
6363 if (!fixme_once_unused++)
6364 FIXME("D3DDECLTYPE_UNUSED welding not implemented.\n");
6368 if (!fixme_once_unknown++)
6369 FIXME("Welding of unknown declaration type %d is not implemented.\n", type);
6376 static FLOAT get_component_epsilon(const D3DVERTEXELEMENT9 *decl_ptr, const D3DXWELDEPSILONS *epsilons)
6378 FLOAT epsilon = 0.0f;
6379 /* Quiet FIXMEs as this is in a loop with potentially thousand of iterations. */
6380 static BOOL fixme_once_blendindices = FALSE;
6381 static BOOL fixme_once_positiont = FALSE;
6382 static BOOL fixme_once_fog = FALSE;
6383 static BOOL fixme_once_depth = FALSE;
6384 static BOOL fixme_once_sample = FALSE;
6385 static BOOL fixme_once_unknown = FALSE;
6387 switch (decl_ptr->Usage)
6389 case D3DDECLUSAGE_POSITION:
6390 epsilon = epsilons->Position;
6392 case D3DDECLUSAGE_BLENDWEIGHT:
6393 epsilon = epsilons->BlendWeights;
6395 case D3DDECLUSAGE_NORMAL:
6396 epsilon = epsilons->Normals;
6398 case D3DDECLUSAGE_PSIZE:
6399 epsilon = epsilons->PSize;
6401 case D3DDECLUSAGE_TEXCOORD:
6403 BYTE usage_index = decl_ptr->UsageIndex;
6404 if (usage_index > 7)
6406 epsilon = epsilons->Texcoords[usage_index];
6409 case D3DDECLUSAGE_TANGENT:
6410 epsilon = epsilons->Tangent;
6412 case D3DDECLUSAGE_BINORMAL:
6413 epsilon = epsilons->Binormal;
6415 case D3DDECLUSAGE_TESSFACTOR:
6416 epsilon = epsilons->TessFactor;
6418 case D3DDECLUSAGE_COLOR:
6419 if (decl_ptr->UsageIndex == 0)
6420 epsilon = epsilons->Diffuse;
6421 else if (decl_ptr->UsageIndex == 1)
6422 epsilon = epsilons->Specular;
6426 case D3DDECLUSAGE_BLENDINDICES:
6427 if (!fixme_once_blendindices++)
6428 FIXME("D3DDECLUSAGE_BLENDINDICES welding not implemented.\n");
6430 case D3DDECLUSAGE_POSITIONT:
6431 if (!fixme_once_positiont++)
6432 FIXME("D3DDECLUSAGE_POSITIONT welding not implemented.\n");
6434 case D3DDECLUSAGE_FOG:
6435 if (!fixme_once_fog++)
6436 FIXME("D3DDECLUSAGE_FOG welding not implemented.\n");
6438 case D3DDECLUSAGE_DEPTH:
6439 if (!fixme_once_depth++)
6440 FIXME("D3DDECLUSAGE_DEPTH welding not implemented.\n");
6442 case D3DDECLUSAGE_SAMPLE:
6443 if (!fixme_once_sample++)
6444 FIXME("D3DDECLUSAGE_SAMPLE welding not implemented.\n");
6447 if (!fixme_once_unknown++)
6448 FIXME("Unknown usage %x\n", decl_ptr->Usage);
6455 /* Helper function for reading a 32-bit index buffer. */
6456 static inline DWORD read_ib(void *index_buffer, BOOL indices_are_32bit,
6459 if (indices_are_32bit)
6461 DWORD *indices = index_buffer;
6462 return indices[index];
6466 WORD *indices = index_buffer;
6467 return indices[index];
6471 /* Helper function for writing to a 32-bit index buffer. */
6472 static inline void write_ib(void *index_buffer, BOOL indices_are_32bit,
6473 DWORD index, DWORD value)
6475 if (indices_are_32bit)
6477 DWORD *indices = index_buffer;
6478 indices[index] = value;
6482 WORD *indices = index_buffer;
6483 indices[index] = value;
6487 /*************************************************************************
6488 * D3DXWeldVertices (D3DX9_36.@)
6490 * Welds together similar vertices. The similarity between vert-
6491 * ices can be the position and other components such as
6495 * mesh [I] Mesh which vertices will be welded together.
6496 * flags [I] D3DXWELDEPSILONSFLAGS specifying how to weld.
6497 * epsilons [I] How similar a component needs to be for welding.
6498 * adjacency [I] Which faces are adjacent to other faces.
6499 * adjacency_out [O] Updated adjacency after welding.
6500 * face_remap_out [O] Which faces the old faces have been mapped to.
6501 * vertex_remap_out [O] Which vertices the old vertices have been mapped to.
6505 * Failure: D3DERR_INVALIDCALL, E_OUTOFMEMORY.
6508 * Attribute sorting not implemented.
6511 HRESULT WINAPI D3DXWeldVertices(LPD3DXMESH mesh,
6513 CONST D3DXWELDEPSILONS *epsilons,
6514 CONST DWORD *adjacency,
6515 DWORD *adjacency_out,
6516 DWORD *face_remap_out,
6517 LPD3DXBUFFER *vertex_remap_out)
6519 DWORD *adjacency_generated = NULL;
6520 const DWORD *adjacency_ptr;
6521 DWORD *attributes = NULL;
6522 const FLOAT DEFAULT_EPSILON = 1.0e-6f;
6525 void *indices = NULL;
6526 BOOL indices_are_32bit = mesh->lpVtbl->GetOptions(mesh) & D3DXMESH_32BIT;
6527 DWORD optimize_flags;
6528 DWORD *point_reps = NULL;
6529 ID3DXMeshImpl *This = impl_from_ID3DXMesh(mesh);
6530 DWORD *vertex_face_map = NULL;
6531 ID3DXBuffer *vertex_remap = NULL;
6532 BYTE *vertices = NULL;
6534 TRACE("(%p, %x, %p, %p, %p, %p, %p)\n", mesh, flags, epsilons,
6535 adjacency, adjacency_out, face_remap_out, vertex_remap_out);
6539 WARN("No flags is undefined. Using D3DXWELDEPSILONS_WELDPARTIALMATCHES instead.\n");
6540 flags = D3DXWELDEPSILONS_WELDPARTIALMATCHES;
6543 if (adjacency) /* Use supplied adjacency. */
6545 adjacency_ptr = adjacency;
6547 else /* Adjacency has to be generated. */
6549 adjacency_generated = HeapAlloc(GetProcessHeap(), 0, 3 * This->numfaces * sizeof(*adjacency_generated));
6550 if (!adjacency_generated)
6552 ERR("Couldn't allocate memory for adjacency_generated.\n");
6556 hr = mesh->lpVtbl->GenerateAdjacency(mesh, DEFAULT_EPSILON, adjacency_generated);
6559 ERR("Couldn't generate adjacency.\n");
6562 adjacency_ptr = adjacency_generated;
6565 /* Point representation says which vertices can be replaced. */
6566 point_reps = HeapAlloc(GetProcessHeap(), 0, This->numvertices * sizeof(*point_reps));
6570 ERR("Couldn't allocate memory for point_reps.\n");
6573 hr = mesh->lpVtbl->ConvertAdjacencyToPointReps(mesh, adjacency_ptr, point_reps);
6576 ERR("ConvertAdjacencyToPointReps failed.\n");
6580 hr = mesh->lpVtbl->LockIndexBuffer(mesh, 0, &indices);
6583 ERR("Couldn't lock index buffer.\n");
6587 hr = mesh->lpVtbl->LockAttributeBuffer(mesh, 0, &attributes);
6590 ERR("Couldn't lock attribute buffer.\n");
6593 vertex_face_map = HeapAlloc(GetProcessHeap(), 0, This->numvertices * sizeof(*vertex_face_map));
6594 if (!vertex_face_map)
6597 ERR("Couldn't allocate memory for vertex_face_map.\n");
6600 /* Build vertex face map, so that a vertex's face can be looked up. */
6601 for (i = 0; i < This->numfaces; i++)
6604 for (j = 0; j < 3; j++)
6606 DWORD index = read_ib(indices, indices_are_32bit, 3*i + j);
6607 vertex_face_map[index] = i;
6611 if (flags & D3DXWELDEPSILONS_WELDPARTIALMATCHES)
6613 hr = mesh->lpVtbl->LockVertexBuffer(mesh, 0, (void**)&vertices);
6616 ERR("Couldn't lock vertex buffer.\n");
6619 /* For each vertex that can be removed, compare its vertex components
6620 * with the vertex components from the vertex that can replace it. A
6621 * vertex is only fully replaced if all the components match and the
6622 * flag D3DXWELDEPSILONS_DONOTREMOVEVERTICES is not set, and they
6623 * belong to the same attribute group. Otherwise the vertex components
6624 * that are within epsilon are set to the same value.
6626 for (i = 0; i < 3 * This->numfaces; i++)
6628 D3DVERTEXELEMENT9 *decl_ptr;
6629 DWORD vertex_size = mesh->lpVtbl->GetNumBytesPerVertex(mesh);
6630 DWORD num_vertex_components;
6633 DWORD index = read_ib(indices, indices_are_32bit, i);
6635 for (decl_ptr = This->cached_declaration, num_vertex_components = 0; decl_ptr->Stream != 0xFF; decl_ptr++, num_vertex_components++)
6637 BYTE *to = &vertices[vertex_size*index + decl_ptr->Offset];
6638 BYTE *from = &vertices[vertex_size*point_reps[index] + decl_ptr->Offset];
6639 FLOAT epsilon = get_component_epsilon(decl_ptr, epsilons);
6641 /* Don't weld self */
6642 if (index == point_reps[index])
6648 if (weld_component(to, from, decl_ptr->Type, epsilon))
6652 all_match = (num_vertex_components == matches);
6653 if (all_match && !(flags & D3DXWELDEPSILONS_DONOTREMOVEVERTICES))
6655 DWORD to_face = vertex_face_map[index];
6656 DWORD from_face = vertex_face_map[point_reps[index]];
6657 if(attributes[to_face] != attributes[from_face] && !(flags & D3DXWELDEPSILONS_DONOTSPLIT))
6659 write_ib(indices, indices_are_32bit, i, point_reps[index]);
6662 mesh->lpVtbl->UnlockVertexBuffer(mesh);
6665 else if (flags & D3DXWELDEPSILONS_WELDALL)
6667 for (i = 0; i < 3 * This->numfaces; i++)
6669 DWORD index = read_ib(indices, indices_are_32bit, i);
6670 DWORD to_face = vertex_face_map[index];
6671 DWORD from_face = vertex_face_map[point_reps[index]];
6672 if(attributes[to_face] != attributes[from_face] && !(flags & D3DXWELDEPSILONS_DONOTSPLIT))
6674 write_ib(indices, indices_are_32bit, i, point_reps[index]);
6677 mesh->lpVtbl->UnlockAttributeBuffer(mesh);
6679 mesh->lpVtbl->UnlockIndexBuffer(mesh);
6682 /* Compact mesh using OptimizeInplace */
6683 optimize_flags = D3DXMESHOPT_COMPACT;
6684 hr = mesh->lpVtbl->OptimizeInplace(mesh, optimize_flags, adjacency_ptr, adjacency_out, face_remap_out, vertex_remap_out);
6687 ERR("Couldn't compact mesh.\n");
6693 HeapFree(GetProcessHeap(), 0, adjacency_generated);
6694 HeapFree(GetProcessHeap(), 0, point_reps);
6695 HeapFree(GetProcessHeap(), 0, vertex_face_map);
6696 if (attributes) mesh->lpVtbl->UnlockAttributeBuffer(mesh);
6697 if (indices) mesh->lpVtbl->UnlockIndexBuffer(mesh);
6698 if (vertex_remap) ID3DXBuffer_Release(vertex_remap);
6699 if (vertices) mesh->lpVtbl->UnlockVertexBuffer(mesh);
6704 /*************************************************************************
6705 * D3DXOptimizeFaces (D3DX9_36.@)
6707 * Re-orders the faces so the vertex cache is used optimally.
6710 * indices [I] Pointer to an index buffer belonging to a mesh.
6711 * num_faces [I] Number of faces in the mesh.
6712 * num_vertices [I] Number of vertices in the mesh.
6713 * indices_are_32bit [I] Specifies whether indices are 32- or 16-bit.
6714 * face_remap [I/O] The new order the faces should be drawn in.
6718 * Failure: D3DERR_INVALIDCALL.
6721 * The face re-ordering does not use the vertex cache optimally.
6724 HRESULT WINAPI D3DXOptimizeFaces(LPCVOID indices,
6727 BOOL indices_are_32bit,
6731 UINT j = num_faces - 1;
6732 UINT limit_16_bit = 2 << 15; /* According to MSDN */
6733 HRESULT hr = D3D_OK;
6735 FIXME("(%p, %u, %u, %s, %p): semi-stub. Face order will not be optimal.\n",
6736 indices, num_faces, num_vertices,
6737 indices_are_32bit ? "TRUE" : "FALSE", face_remap);
6739 if (!indices_are_32bit && num_faces >= limit_16_bit)
6741 WARN("Number of faces must be less than %d when using 16-bit indices.\n",
6743 hr = D3DERR_INVALIDCALL;
6749 WARN("Face remap pointer is NULL.\n");
6750 hr = D3DERR_INVALIDCALL;
6754 /* The faces are drawn in reverse order for simple meshes. This ordering
6755 * is not optimal for complicated meshes, but will not break anything
6756 * either. The ordering should be changed to take advantage of the vertex
6757 * cache on the graphics card.
6759 * TODO Re-order to take advantage of vertex cache.
6761 for (i = 0; i < num_faces; i++)
6763 face_remap[i] = j--;