2 * Mathematical operations specific to D3DX9.
4 * Copyright (C) 2008 David Adam
5 * Copyright (C) 2008 Luis Busquets
6 * Copyright (C) 2008 Jérôme Gardou
7 * Copyright (C) 2008 Philip Nilsson
8 * Copyright (C) 2008 Henri Verbeet
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 #define NONAMELESSUNION
28 #include "wine/port.h"
32 #include "d3dx9_36_private.h"
34 #include "wine/debug.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
38 static const ID3DXMatrixStackVtbl ID3DXMatrixStack_Vtbl;
40 typedef struct ID3DXMatrixStackImpl
42 ID3DXMatrixStack ID3DXMatrixStack_iface;
46 unsigned int stack_size;
48 } ID3DXMatrixStackImpl;
51 /*_________________D3DXColor____________________*/
53 D3DXCOLOR* WINAPI D3DXColorAdjustContrast(D3DXCOLOR *pout, CONST D3DXCOLOR *pc, FLOAT s)
55 TRACE("(%p, %p, %f)\n", pout, pc, s);
57 pout->r = 0.5f + s * (pc->r - 0.5f);
58 pout->g = 0.5f + s * (pc->g - 0.5f);
59 pout->b = 0.5f + s * (pc->b - 0.5f);
64 D3DXCOLOR* WINAPI D3DXColorAdjustSaturation(D3DXCOLOR *pout, CONST D3DXCOLOR *pc, FLOAT s)
68 TRACE("(%p, %p, %f)\n", pout, pc, s);
70 grey = pc->r * 0.2125f + pc->g * 0.7154f + pc->b * 0.0721f;
71 pout->r = grey + s * (pc->r - grey);
72 pout->g = grey + s * (pc->g - grey);
73 pout->b = grey + s * (pc->b - grey);
78 /*_________________Misc__________________________*/
80 FLOAT WINAPI D3DXFresnelTerm(FLOAT costheta, FLOAT refractionindex)
82 FLOAT a, d, g, result;
84 TRACE("(%f, %f)\n", costheta, refractionindex);
86 g = sqrt(refractionindex * refractionindex + costheta * costheta - 1.0f);
89 result = ( costheta * a - 1.0f ) * ( costheta * a - 1.0f ) / ( ( costheta * d + 1.0f ) * ( costheta * d + 1.0f ) ) + 1.0f;
90 result = result * 0.5f * d * d / ( a * a );
94 /*_________________D3DXMatrix____________________*/
96 D3DXMATRIX* WINAPI D3DXMatrixAffineTransformation(D3DXMATRIX *pout, FLOAT scaling, CONST D3DXVECTOR3 *rotationcenter, CONST D3DXQUATERNION *rotation, CONST D3DXVECTOR3 *translation)
98 D3DXMATRIX m1, m2, m3, m4, m5;
100 TRACE("(%p, %f, %p, %p, %p)\n", pout, scaling, rotationcenter, rotation, translation);
102 D3DXMatrixScaling(&m1, scaling, scaling, scaling);
104 if ( !rotationcenter )
106 D3DXMatrixIdentity(&m2);
107 D3DXMatrixIdentity(&m4);
111 D3DXMatrixTranslation(&m2, -rotationcenter->x, -rotationcenter->y, -rotationcenter->z);
112 D3DXMatrixTranslation(&m4, rotationcenter->x, rotationcenter->y, rotationcenter->z);
115 if ( !rotation ) D3DXMatrixIdentity(&m3);
116 else D3DXMatrixRotationQuaternion(&m3, rotation);
118 if ( !translation ) D3DXMatrixIdentity(&m5);
119 else D3DXMatrixTranslation(&m5, translation->x, translation->y, translation->z);
121 D3DXMatrixMultiply(&m1, &m1, &m2);
122 D3DXMatrixMultiply(&m1, &m1, &m3);
123 D3DXMatrixMultiply(&m1, &m1, &m4);
124 D3DXMatrixMultiply(pout, &m1, &m5);
128 D3DXMATRIX* WINAPI D3DXMatrixAffineTransformation2D(D3DXMATRIX *pout, FLOAT scaling, CONST D3DXVECTOR2 *protationcenter, FLOAT rotation, CONST D3DXVECTOR2 *ptranslation)
130 D3DXMATRIX m1, m2, m3, m4, m5;
132 D3DXVECTOR3 rot_center, trans;
134 TRACE("(%p, %f, %p, %f, %p)\n", pout, scaling, protationcenter, rotation, ptranslation);
136 rot.w=cos(rotation/2.0f);
139 rot.z=sin(rotation/2.0f);
141 if ( protationcenter )
143 rot_center.x=protationcenter->x;
144 rot_center.y=protationcenter->y;
156 trans.x=ptranslation->x;
157 trans.y=ptranslation->y;
167 D3DXMatrixScaling(&m1, scaling, scaling, 1.0f);
168 D3DXMatrixTranslation(&m2, -rot_center.x, -rot_center.y, -rot_center.z);
169 D3DXMatrixTranslation(&m4, rot_center.x, rot_center.y, rot_center.z);
170 D3DXMatrixRotationQuaternion(&m3, &rot);
171 D3DXMatrixTranslation(&m5, trans.x, trans.y, trans.z);
173 D3DXMatrixMultiply(&m1, &m1, &m2);
174 D3DXMatrixMultiply(&m1, &m1, &m3);
175 D3DXMatrixMultiply(&m1, &m1, &m4);
176 D3DXMatrixMultiply(pout, &m1, &m5);
181 HRESULT WINAPI D3DXMatrixDecompose(D3DXVECTOR3 *poutscale, D3DXQUATERNION *poutrotation, D3DXVECTOR3 *pouttranslation, CONST D3DXMATRIX *pm)
183 D3DXMATRIX normalized;
186 TRACE("(%p, %p, %p, %p)\n", poutscale, poutrotation, pouttranslation, pm);
188 /*Compute the scaling part.*/
192 poutscale->x=D3DXVec3Length(&vec);
197 poutscale->y=D3DXVec3Length(&vec);
202 poutscale->z=D3DXVec3Length(&vec);
204 /*Compute the translation part.*/
205 pouttranslation->x=pm->u.m[3][0];
206 pouttranslation->y=pm->u.m[3][1];
207 pouttranslation->z=pm->u.m[3][2];
209 /*Let's calculate the rotation now*/
210 if ( (poutscale->x == 0.0f) || (poutscale->y == 0.0f) || (poutscale->z == 0.0f) ) return D3DERR_INVALIDCALL;
212 normalized.u.m[0][0]=pm->u.m[0][0]/poutscale->x;
213 normalized.u.m[0][1]=pm->u.m[0][1]/poutscale->x;
214 normalized.u.m[0][2]=pm->u.m[0][2]/poutscale->x;
215 normalized.u.m[1][0]=pm->u.m[1][0]/poutscale->y;
216 normalized.u.m[1][1]=pm->u.m[1][1]/poutscale->y;
217 normalized.u.m[1][2]=pm->u.m[1][2]/poutscale->y;
218 normalized.u.m[2][0]=pm->u.m[2][0]/poutscale->z;
219 normalized.u.m[2][1]=pm->u.m[2][1]/poutscale->z;
220 normalized.u.m[2][2]=pm->u.m[2][2]/poutscale->z;
222 D3DXQuaternionRotationMatrix(poutrotation,&normalized);
226 FLOAT WINAPI D3DXMatrixDeterminant(CONST D3DXMATRIX *pm)
228 D3DXVECTOR4 minor, v1, v2, v3;
233 v1.x = pm->u.m[0][0]; v1.y = pm->u.m[1][0]; v1.z = pm->u.m[2][0]; v1.w = pm->u.m[3][0];
234 v2.x = pm->u.m[0][1]; v2.y = pm->u.m[1][1]; v2.z = pm->u.m[2][1]; v2.w = pm->u.m[3][1];
235 v3.x = pm->u.m[0][2]; v3.y = pm->u.m[1][2]; v3.z = pm->u.m[2][2]; v3.w = pm->u.m[3][2];
236 D3DXVec4Cross(&minor, &v1, &v2, &v3);
237 det = - (pm->u.m[0][3] * minor.x + pm->u.m[1][3] * minor.y + pm->u.m[2][3] * minor.z + pm->u.m[3][3] * minor.w);
241 D3DXMATRIX* WINAPI D3DXMatrixInverse(D3DXMATRIX *pout, FLOAT *pdeterminant, CONST D3DXMATRIX *pm)
245 D3DXVECTOR4 v, vec[3];
248 TRACE("(%p, %p, %p)\n", pout, pdeterminant, pm);
250 det = D3DXMatrixDeterminant(pm);
251 if ( !det ) return NULL;
252 if ( pdeterminant ) *pdeterminant = det;
260 if ( j > i ) a = a-1;
261 vec[a].x = pm->u.m[j][0];
262 vec[a].y = pm->u.m[j][1];
263 vec[a].z = pm->u.m[j][2];
264 vec[a].w = pm->u.m[j][3];
267 D3DXVec4Cross(&v, &vec[0], &vec[1], &vec[2]);
268 out.u.m[0][i] = pow(-1.0f, i) * v.x / det;
269 out.u.m[1][i] = pow(-1.0f, i) * v.y / det;
270 out.u.m[2][i] = pow(-1.0f, i) * v.z / det;
271 out.u.m[3][i] = pow(-1.0f, i) * v.w / det;
278 D3DXMATRIX* WINAPI D3DXMatrixLookAtLH(D3DXMATRIX *pout, CONST D3DXVECTOR3 *peye, CONST D3DXVECTOR3 *pat, CONST D3DXVECTOR3 *pup)
280 D3DXVECTOR3 right, rightn, up, upn, vec, vec2;
282 TRACE("(%p, %p, %p, %p)\n", pout, peye, pat, pup);
284 D3DXVec3Subtract(&vec2, pat, peye);
285 D3DXVec3Normalize(&vec, &vec2);
286 D3DXVec3Cross(&right, pup, &vec);
287 D3DXVec3Cross(&up, &vec, &right);
288 D3DXVec3Normalize(&rightn, &right);
289 D3DXVec3Normalize(&upn, &up);
290 pout->u.m[0][0] = rightn.x;
291 pout->u.m[1][0] = rightn.y;
292 pout->u.m[2][0] = rightn.z;
293 pout->u.m[3][0] = -D3DXVec3Dot(&rightn,peye);
294 pout->u.m[0][1] = upn.x;
295 pout->u.m[1][1] = upn.y;
296 pout->u.m[2][1] = upn.z;
297 pout->u.m[3][1] = -D3DXVec3Dot(&upn, peye);
298 pout->u.m[0][2] = vec.x;
299 pout->u.m[1][2] = vec.y;
300 pout->u.m[2][2] = vec.z;
301 pout->u.m[3][2] = -D3DXVec3Dot(&vec, peye);
302 pout->u.m[0][3] = 0.0f;
303 pout->u.m[1][3] = 0.0f;
304 pout->u.m[2][3] = 0.0f;
305 pout->u.m[3][3] = 1.0f;
309 D3DXMATRIX* WINAPI D3DXMatrixLookAtRH(D3DXMATRIX *pout, CONST D3DXVECTOR3 *peye, CONST D3DXVECTOR3 *pat, CONST D3DXVECTOR3 *pup)
311 D3DXVECTOR3 right, rightn, up, upn, vec, vec2;
313 TRACE("(%p, %p, %p, %p)\n", pout, peye, pat, pup);
315 D3DXVec3Subtract(&vec2, pat, peye);
316 D3DXVec3Normalize(&vec, &vec2);
317 D3DXVec3Cross(&right, pup, &vec);
318 D3DXVec3Cross(&up, &vec, &right);
319 D3DXVec3Normalize(&rightn, &right);
320 D3DXVec3Normalize(&upn, &up);
321 pout->u.m[0][0] = -rightn.x;
322 pout->u.m[1][0] = -rightn.y;
323 pout->u.m[2][0] = -rightn.z;
324 pout->u.m[3][0] = D3DXVec3Dot(&rightn,peye);
325 pout->u.m[0][1] = upn.x;
326 pout->u.m[1][1] = upn.y;
327 pout->u.m[2][1] = upn.z;
328 pout->u.m[3][1] = -D3DXVec3Dot(&upn, peye);
329 pout->u.m[0][2] = -vec.x;
330 pout->u.m[1][2] = -vec.y;
331 pout->u.m[2][2] = -vec.z;
332 pout->u.m[3][2] = D3DXVec3Dot(&vec, peye);
333 pout->u.m[0][3] = 0.0f;
334 pout->u.m[1][3] = 0.0f;
335 pout->u.m[2][3] = 0.0f;
336 pout->u.m[3][3] = 1.0f;
340 D3DXMATRIX* WINAPI D3DXMatrixMultiply(D3DXMATRIX *pout, CONST D3DXMATRIX *pm1, CONST D3DXMATRIX *pm2)
345 TRACE("(%p, %p, %p)\n", pout, pm1, pm2);
351 out.u.m[i][j] = pm1->u.m[i][0] * pm2->u.m[0][j] + pm1->u.m[i][1] * pm2->u.m[1][j] + pm1->u.m[i][2] * pm2->u.m[2][j] + pm1->u.m[i][3] * pm2->u.m[3][j];
359 D3DXMATRIX* WINAPI D3DXMatrixMultiplyTranspose(D3DXMATRIX *pout, CONST D3DXMATRIX *pm1, CONST D3DXMATRIX *pm2)
361 TRACE("%p, %p, %p)\n", pout, pm1, pm2);
363 D3DXMatrixMultiply(pout, pm1, pm2);
364 D3DXMatrixTranspose(pout, pout);
368 D3DXMATRIX* WINAPI D3DXMatrixOrthoLH(D3DXMATRIX *pout, FLOAT w, FLOAT h, FLOAT zn, FLOAT zf)
370 TRACE("(%p, %f, %f, %f, %f)\n", pout, w, h, zn, zf);
372 D3DXMatrixIdentity(pout);
373 pout->u.m[0][0] = 2.0f / w;
374 pout->u.m[1][1] = 2.0f / h;
375 pout->u.m[2][2] = 1.0f / (zf - zn);
376 pout->u.m[3][2] = zn / (zn - zf);
380 D3DXMATRIX* WINAPI D3DXMatrixOrthoOffCenterLH(D3DXMATRIX *pout, FLOAT l, FLOAT r, FLOAT b, FLOAT t, FLOAT zn, FLOAT zf)
382 TRACE("(%p, %f, %f, %f, %f, %f, %f)\n", pout, l, r, b, t, zn, zf);
384 D3DXMatrixIdentity(pout);
385 pout->u.m[0][0] = 2.0f / (r - l);
386 pout->u.m[1][1] = 2.0f / (t - b);
387 pout->u.m[2][2] = 1.0f / (zf -zn);
388 pout->u.m[3][0] = -1.0f -2.0f *l / (r - l);
389 pout->u.m[3][1] = 1.0f + 2.0f * t / (b - t);
390 pout->u.m[3][2] = zn / (zn -zf);
394 D3DXMATRIX* WINAPI D3DXMatrixOrthoOffCenterRH(D3DXMATRIX *pout, FLOAT l, FLOAT r, FLOAT b, FLOAT t, FLOAT zn, FLOAT zf)
396 TRACE("(%p, %f, %f, %f, %f, %f, %f)\n", pout, l, r, b, t, zn, zf);
398 D3DXMatrixIdentity(pout);
399 pout->u.m[0][0] = 2.0f / (r - l);
400 pout->u.m[1][1] = 2.0f / (t - b);
401 pout->u.m[2][2] = 1.0f / (zn -zf);
402 pout->u.m[3][0] = -1.0f -2.0f *l / (r - l);
403 pout->u.m[3][1] = 1.0f + 2.0f * t / (b - t);
404 pout->u.m[3][2] = zn / (zn -zf);
408 D3DXMATRIX* WINAPI D3DXMatrixOrthoRH(D3DXMATRIX *pout, FLOAT w, FLOAT h, FLOAT zn, FLOAT zf)
410 TRACE("(%p, %f, %f, %f, %f)\n", pout, w, h, zn, zf);
412 D3DXMatrixIdentity(pout);
413 pout->u.m[0][0] = 2.0f / w;
414 pout->u.m[1][1] = 2.0f / h;
415 pout->u.m[2][2] = 1.0f / (zn - zf);
416 pout->u.m[3][2] = zn / (zn - zf);
420 D3DXMATRIX* WINAPI D3DXMatrixPerspectiveFovLH(D3DXMATRIX *pout, FLOAT fovy, FLOAT aspect, FLOAT zn, FLOAT zf)
422 TRACE("(%p, %f, %f, %f, %f)\n", pout, fovy, aspect, zn, zf);
424 D3DXMatrixIdentity(pout);
425 pout->u.m[0][0] = 1.0f / (aspect * tan(fovy/2.0f));
426 pout->u.m[1][1] = 1.0f / tan(fovy/2.0f);
427 pout->u.m[2][2] = zf / (zf - zn);
428 pout->u.m[2][3] = 1.0f;
429 pout->u.m[3][2] = (zf * zn) / (zn - zf);
430 pout->u.m[3][3] = 0.0f;
434 D3DXMATRIX* WINAPI D3DXMatrixPerspectiveFovRH(D3DXMATRIX *pout, FLOAT fovy, FLOAT aspect, FLOAT zn, FLOAT zf)
436 TRACE("(%p, %f, %f, %f, %f)\n", pout, fovy, aspect, zn, zf);
438 D3DXMatrixIdentity(pout);
439 pout->u.m[0][0] = 1.0f / (aspect * tan(fovy/2.0f));
440 pout->u.m[1][1] = 1.0f / tan(fovy/2.0f);
441 pout->u.m[2][2] = zf / (zn - zf);
442 pout->u.m[2][3] = -1.0f;
443 pout->u.m[3][2] = (zf * zn) / (zn - zf);
444 pout->u.m[3][3] = 0.0f;
448 D3DXMATRIX* WINAPI D3DXMatrixPerspectiveLH(D3DXMATRIX *pout, FLOAT w, FLOAT h, FLOAT zn, FLOAT zf)
450 TRACE("(%p, %f, %f, %f, %f)\n", pout, w, h, zn, zf);
452 D3DXMatrixIdentity(pout);
453 pout->u.m[0][0] = 2.0f * zn / w;
454 pout->u.m[1][1] = 2.0f * zn / h;
455 pout->u.m[2][2] = zf / (zf - zn);
456 pout->u.m[3][2] = (zn * zf) / (zn - zf);
457 pout->u.m[2][3] = 1.0f;
458 pout->u.m[3][3] = 0.0f;
462 D3DXMATRIX* WINAPI D3DXMatrixPerspectiveOffCenterLH(D3DXMATRIX *pout, FLOAT l, FLOAT r, FLOAT b, FLOAT t, FLOAT zn, FLOAT zf)
464 TRACE("(%p, %f, %f, %f, %f, %f, %f)\n", pout, l, r, b, t, zn, zf);
466 D3DXMatrixIdentity(pout);
467 pout->u.m[0][0] = 2.0f * zn / (r - l);
468 pout->u.m[1][1] = -2.0f * zn / (b - t);
469 pout->u.m[2][0] = -1.0f - 2.0f * l / (r - l);
470 pout->u.m[2][1] = 1.0f + 2.0f * t / (b - t);
471 pout->u.m[2][2] = - zf / (zn - zf);
472 pout->u.m[3][2] = (zn * zf) / (zn -zf);
473 pout->u.m[2][3] = 1.0f;
474 pout->u.m[3][3] = 0.0f;
478 D3DXMATRIX* WINAPI D3DXMatrixPerspectiveOffCenterRH(D3DXMATRIX *pout, FLOAT l, FLOAT r, FLOAT b, FLOAT t, FLOAT zn, FLOAT zf)
480 TRACE("(%p, %f, %f, %f, %f, %f, %f)\n", pout, l, r, b, t, zn, zf);
482 D3DXMatrixIdentity(pout);
483 pout->u.m[0][0] = 2.0f * zn / (r - l);
484 pout->u.m[1][1] = -2.0f * zn / (b - t);
485 pout->u.m[2][0] = 1.0f + 2.0f * l / (r - l);
486 pout->u.m[2][1] = -1.0f -2.0f * t / (b - t);
487 pout->u.m[2][2] = zf / (zn - zf);
488 pout->u.m[3][2] = (zn * zf) / (zn -zf);
489 pout->u.m[2][3] = -1.0f;
490 pout->u.m[3][3] = 0.0f;
494 D3DXMATRIX* WINAPI D3DXMatrixPerspectiveRH(D3DXMATRIX *pout, FLOAT w, FLOAT h, FLOAT zn, FLOAT zf)
496 TRACE("(%p, %f, %f, %f, %f)\n", pout, w, h, zn, zf);
498 D3DXMatrixIdentity(pout);
499 pout->u.m[0][0] = 2.0f * zn / w;
500 pout->u.m[1][1] = 2.0f * zn / h;
501 pout->u.m[2][2] = zf / (zn - zf);
502 pout->u.m[3][2] = (zn * zf) / (zn - zf);
503 pout->u.m[2][3] = -1.0f;
504 pout->u.m[3][3] = 0.0f;
508 D3DXMATRIX* WINAPI D3DXMatrixReflect(D3DXMATRIX *pout, CONST D3DXPLANE *pplane)
512 TRACE("(%p, %p)\n", pout, pplane);
514 D3DXPlaneNormalize(&Nplane, pplane);
515 D3DXMatrixIdentity(pout);
516 pout->u.m[0][0] = 1.0f - 2.0f * Nplane.a * Nplane.a;
517 pout->u.m[0][1] = -2.0f * Nplane.a * Nplane.b;
518 pout->u.m[0][2] = -2.0f * Nplane.a * Nplane.c;
519 pout->u.m[1][0] = -2.0f * Nplane.a * Nplane.b;
520 pout->u.m[1][1] = 1.0f - 2.0f * Nplane.b * Nplane.b;
521 pout->u.m[1][2] = -2.0f * Nplane.b * Nplane.c;
522 pout->u.m[2][0] = -2.0f * Nplane.c * Nplane.a;
523 pout->u.m[2][1] = -2.0f * Nplane.c * Nplane.b;
524 pout->u.m[2][2] = 1.0f - 2.0f * Nplane.c * Nplane.c;
525 pout->u.m[3][0] = -2.0f * Nplane.d * Nplane.a;
526 pout->u.m[3][1] = -2.0f * Nplane.d * Nplane.b;
527 pout->u.m[3][2] = -2.0f * Nplane.d * Nplane.c;
531 D3DXMATRIX* WINAPI D3DXMatrixRotationAxis(D3DXMATRIX *pout, CONST D3DXVECTOR3 *pv, FLOAT angle)
535 TRACE("(%p, %p, %f)\n", pout, pv, angle);
537 D3DXVec3Normalize(&v,pv);
538 D3DXMatrixIdentity(pout);
539 pout->u.m[0][0] = (1.0f - cos(angle)) * v.x * v.x + cos(angle);
540 pout->u.m[1][0] = (1.0f - cos(angle)) * v.x * v.y - sin(angle) * v.z;
541 pout->u.m[2][0] = (1.0f - cos(angle)) * v.x * v.z + sin(angle) * v.y;
542 pout->u.m[0][1] = (1.0f - cos(angle)) * v.y * v.x + sin(angle) * v.z;
543 pout->u.m[1][1] = (1.0f - cos(angle)) * v.y * v.y + cos(angle);
544 pout->u.m[2][1] = (1.0f - cos(angle)) * v.y * v.z - sin(angle) * v.x;
545 pout->u.m[0][2] = (1.0f - cos(angle)) * v.z * v.x - sin(angle) * v.y;
546 pout->u.m[1][2] = (1.0f - cos(angle)) * v.z * v.y + sin(angle) * v.x;
547 pout->u.m[2][2] = (1.0f - cos(angle)) * v.z * v.z + cos(angle);
551 D3DXMATRIX* WINAPI D3DXMatrixRotationQuaternion(D3DXMATRIX *pout, CONST D3DXQUATERNION *pq)
553 TRACE("(%p, %p)\n", pout, pq);
555 D3DXMatrixIdentity(pout);
556 pout->u.m[0][0] = 1.0f - 2.0f * (pq->y * pq->y + pq->z * pq->z);
557 pout->u.m[0][1] = 2.0f * (pq->x *pq->y + pq->z * pq->w);
558 pout->u.m[0][2] = 2.0f * (pq->x * pq->z - pq->y * pq->w);
559 pout->u.m[1][0] = 2.0f * (pq->x * pq->y - pq->z * pq->w);
560 pout->u.m[1][1] = 1.0f - 2.0f * (pq->x * pq->x + pq->z * pq->z);
561 pout->u.m[1][2] = 2.0f * (pq->y *pq->z + pq->x *pq->w);
562 pout->u.m[2][0] = 2.0f * (pq->x * pq->z + pq->y * pq->w);
563 pout->u.m[2][1] = 2.0f * (pq->y *pq->z - pq->x *pq->w);
564 pout->u.m[2][2] = 1.0f - 2.0f * (pq->x * pq->x + pq->y * pq->y);
568 D3DXMATRIX* WINAPI D3DXMatrixRotationX(D3DXMATRIX *pout, FLOAT angle)
570 TRACE("(%p, %f)\n", pout, angle);
572 D3DXMatrixIdentity(pout);
573 pout->u.m[1][1] = cos(angle);
574 pout->u.m[2][2] = cos(angle);
575 pout->u.m[1][2] = sin(angle);
576 pout->u.m[2][1] = -sin(angle);
580 D3DXMATRIX* WINAPI D3DXMatrixRotationY(D3DXMATRIX *pout, FLOAT angle)
582 TRACE("(%p, %f)\n", pout, angle);
584 D3DXMatrixIdentity(pout);
585 pout->u.m[0][0] = cos(angle);
586 pout->u.m[2][2] = cos(angle);
587 pout->u.m[0][2] = -sin(angle);
588 pout->u.m[2][0] = sin(angle);
592 D3DXMATRIX* WINAPI D3DXMatrixRotationYawPitchRoll(D3DXMATRIX *pout, FLOAT yaw, FLOAT pitch, FLOAT roll)
596 TRACE("(%p, %f, %f, %f)\n", pout, yaw, pitch, roll);
598 D3DXMatrixIdentity(pout);
599 D3DXMatrixRotationZ(&m, roll);
600 D3DXMatrixMultiply(pout, pout, &m);
601 D3DXMatrixRotationX(&m, pitch);
602 D3DXMatrixMultiply(pout, pout, &m);
603 D3DXMatrixRotationY(&m, yaw);
604 D3DXMatrixMultiply(pout, pout, &m);
608 D3DXMATRIX* WINAPI D3DXMatrixRotationZ(D3DXMATRIX *pout, FLOAT angle)
610 TRACE("(%p, %f)\n", pout, angle);
612 D3DXMatrixIdentity(pout);
613 pout->u.m[0][0] = cos(angle);
614 pout->u.m[1][1] = cos(angle);
615 pout->u.m[0][1] = sin(angle);
616 pout->u.m[1][0] = -sin(angle);
620 D3DXMATRIX* WINAPI D3DXMatrixScaling(D3DXMATRIX *pout, FLOAT sx, FLOAT sy, FLOAT sz)
622 TRACE("(%p, %f, %f, %f)\n", pout, sx, sy, sz);
624 D3DXMatrixIdentity(pout);
625 pout->u.m[0][0] = sx;
626 pout->u.m[1][1] = sy;
627 pout->u.m[2][2] = sz;
631 D3DXMATRIX* WINAPI D3DXMatrixShadow(D3DXMATRIX *pout, CONST D3DXVECTOR4 *plight, CONST D3DXPLANE *pplane)
636 TRACE("(%p, %p, %p)\n", pout, plight, pplane);
638 D3DXPlaneNormalize(&Nplane, pplane);
639 dot = D3DXPlaneDot(&Nplane, plight);
640 pout->u.m[0][0] = dot - Nplane.a * plight->x;
641 pout->u.m[0][1] = -Nplane.a * plight->y;
642 pout->u.m[0][2] = -Nplane.a * plight->z;
643 pout->u.m[0][3] = -Nplane.a * plight->w;
644 pout->u.m[1][0] = -Nplane.b * plight->x;
645 pout->u.m[1][1] = dot - Nplane.b * plight->y;
646 pout->u.m[1][2] = -Nplane.b * plight->z;
647 pout->u.m[1][3] = -Nplane.b * plight->w;
648 pout->u.m[2][0] = -Nplane.c * plight->x;
649 pout->u.m[2][1] = -Nplane.c * plight->y;
650 pout->u.m[2][2] = dot - Nplane.c * plight->z;
651 pout->u.m[2][3] = -Nplane.c * plight->w;
652 pout->u.m[3][0] = -Nplane.d * plight->x;
653 pout->u.m[3][1] = -Nplane.d * plight->y;
654 pout->u.m[3][2] = -Nplane.d * plight->z;
655 pout->u.m[3][3] = dot - Nplane.d * plight->w;
659 D3DXMATRIX* WINAPI D3DXMatrixTransformation(D3DXMATRIX *pout, CONST D3DXVECTOR3 *pscalingcenter, CONST D3DXQUATERNION *pscalingrotation, CONST D3DXVECTOR3 *pscaling, CONST D3DXVECTOR3 *protationcenter, CONST D3DXQUATERNION *protation, CONST D3DXVECTOR3 *ptranslation)
661 D3DXMATRIX m1, m2, m3, m4, m5, m6, m7;
665 TRACE("(%p, %p, %p, %p, %p, %p, %p)\n", pout, pscalingcenter, pscalingrotation, pscaling, protationcenter, protation, ptranslation);
667 if ( !pscalingcenter )
675 psc.x = pscalingcenter->x;
676 psc.y = pscalingcenter->y;
677 psc.z = pscalingcenter->z;
680 if ( !protationcenter )
688 prc.x = protationcenter->x;
689 prc.y = protationcenter->y;
690 prc.z = protationcenter->z;
701 pt.x = ptranslation->x;
702 pt.y = ptranslation->y;
703 pt.z = ptranslation->z;
706 D3DXMatrixTranslation(&m1, -psc.x, -psc.y, -psc.z);
708 if ( !pscalingrotation )
710 D3DXMatrixIdentity(&m2);
711 D3DXMatrixIdentity(&m4);
715 D3DXMatrixRotationQuaternion(&m4, pscalingrotation);
716 D3DXMatrixInverse(&m2, NULL, &m4);
719 if ( !pscaling ) D3DXMatrixIdentity(&m3);
720 else D3DXMatrixScaling(&m3, pscaling->x, pscaling->y, pscaling->z);
722 if ( !protation ) D3DXMatrixIdentity(&m6);
723 else D3DXMatrixRotationQuaternion(&m6, protation);
725 D3DXMatrixTranslation(&m5, psc.x - prc.x, psc.y - prc.y, psc.z - prc.z);
726 D3DXMatrixTranslation(&m7, prc.x + pt.x, prc.y + pt.y, prc.z + pt.z);
727 D3DXMatrixMultiply(&m1, &m1, &m2);
728 D3DXMatrixMultiply(&m1, &m1, &m3);
729 D3DXMatrixMultiply(&m1, &m1, &m4);
730 D3DXMatrixMultiply(&m1, &m1, &m5);
731 D3DXMatrixMultiply(&m1, &m1, &m6);
732 D3DXMatrixMultiply(pout, &m1, &m7);
736 D3DXMATRIX* WINAPI D3DXMatrixTransformation2D(D3DXMATRIX *pout, CONST D3DXVECTOR2 *pscalingcenter, FLOAT scalingrotation, CONST D3DXVECTOR2 *pscaling, CONST D3DXVECTOR2 *protationcenter, FLOAT rotation, CONST D3DXVECTOR2 *ptranslation)
738 D3DXQUATERNION rot, sca_rot;
739 D3DXVECTOR3 rot_center, sca, sca_center, trans;
741 TRACE("(%p, %p, %f, %p, %p, %f, %p)\n", pout, pscalingcenter, scalingrotation, pscaling, protationcenter, rotation, ptranslation);
743 if ( pscalingcenter )
745 sca_center.x=pscalingcenter->x;
746 sca_center.y=pscalingcenter->y;
769 if ( protationcenter )
771 rot_center.x=protationcenter->x;
772 rot_center.y=protationcenter->y;
784 trans.x=ptranslation->x;
785 trans.y=ptranslation->y;
795 rot.w=cos(rotation/2.0f);
798 rot.z=sin(rotation/2.0f);
800 sca_rot.w=cos(scalingrotation/2.0f);
803 sca_rot.z=sin(scalingrotation/2.0f);
805 D3DXMatrixTransformation(pout, &sca_center, &sca_rot, &sca, &rot_center, &rot, &trans);
810 D3DXMATRIX* WINAPI D3DXMatrixTranslation(D3DXMATRIX *pout, FLOAT x, FLOAT y, FLOAT z)
812 TRACE("(%p, %f, %f, %f)\n", pout, x, y, z);
814 D3DXMatrixIdentity(pout);
821 D3DXMATRIX* WINAPI D3DXMatrixTranspose(D3DXMATRIX *pout, CONST D3DXMATRIX *pm)
823 CONST D3DXMATRIX m = *pm;
826 TRACE("(%p, %p)\n", pout, pm);
829 for (j=0; j<4; j++) pout->u.m[i][j] = m.u.m[j][i];
834 /*_________________D3DXMatrixStack____________________*/
836 static const unsigned int INITIAL_STACK_SIZE = 32;
838 HRESULT WINAPI D3DXCreateMatrixStack(DWORD flags, LPD3DXMATRIXSTACK* ppstack)
840 ID3DXMatrixStackImpl* object;
842 TRACE("flags %#x, ppstack %p\n", flags, ppstack);
844 object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
848 return E_OUTOFMEMORY;
850 object->ID3DXMatrixStack_iface.lpVtbl = &ID3DXMatrixStack_Vtbl;
853 object->stack = HeapAlloc(GetProcessHeap(), 0, INITIAL_STACK_SIZE * sizeof(*object->stack));
856 HeapFree(GetProcessHeap(), 0, object);
858 return E_OUTOFMEMORY;
862 object->stack_size = INITIAL_STACK_SIZE;
863 D3DXMatrixIdentity(&object->stack[0]);
865 TRACE("Created matrix stack %p\n", object);
867 *ppstack = &object->ID3DXMatrixStack_iface;
871 static inline ID3DXMatrixStackImpl *impl_from_ID3DXMatrixStack(ID3DXMatrixStack *iface)
873 return CONTAINING_RECORD(iface, ID3DXMatrixStackImpl, ID3DXMatrixStack_iface);
876 static HRESULT WINAPI ID3DXMatrixStackImpl_QueryInterface(ID3DXMatrixStack *iface, REFIID riid, void **out)
878 TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
880 if (IsEqualGUID(riid, &IID_ID3DXMatrixStack)
881 || IsEqualGUID(riid, &IID_IUnknown))
883 ID3DXMatrixStack_AddRef(iface);
888 WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
891 return E_NOINTERFACE;
894 static ULONG WINAPI ID3DXMatrixStackImpl_AddRef(ID3DXMatrixStack *iface)
896 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
897 ULONG ref = InterlockedIncrement(&This->ref);
898 TRACE("(%p) : AddRef from %d\n", This, ref - 1);
902 static ULONG WINAPI ID3DXMatrixStackImpl_Release(ID3DXMatrixStack* iface)
904 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
905 ULONG ref = InterlockedDecrement(&This->ref);
908 HeapFree(GetProcessHeap(), 0, This->stack);
909 HeapFree(GetProcessHeap(), 0, This);
911 TRACE("(%p) : ReleaseRef to %d\n", This, ref);
915 static D3DXMATRIX* WINAPI ID3DXMatrixStackImpl_GetTop(ID3DXMatrixStack *iface)
917 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
919 TRACE("iface %p\n", iface);
921 return &This->stack[This->current];
924 static HRESULT WINAPI ID3DXMatrixStackImpl_LoadIdentity(ID3DXMatrixStack *iface)
926 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
928 TRACE("iface %p\n", iface);
930 D3DXMatrixIdentity(&This->stack[This->current]);
935 static HRESULT WINAPI ID3DXMatrixStackImpl_LoadMatrix(ID3DXMatrixStack *iface, CONST D3DXMATRIX *pm)
937 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
939 TRACE("iface %p\n", iface);
941 This->stack[This->current] = *pm;
946 static HRESULT WINAPI ID3DXMatrixStackImpl_MultMatrix(ID3DXMatrixStack *iface, CONST D3DXMATRIX *pm)
948 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
950 TRACE("iface %p\n", iface);
952 D3DXMatrixMultiply(&This->stack[This->current], &This->stack[This->current], pm);
957 static HRESULT WINAPI ID3DXMatrixStackImpl_MultMatrixLocal(ID3DXMatrixStack *iface, CONST D3DXMATRIX *pm)
959 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
961 TRACE("iface %p\n", iface);
963 D3DXMatrixMultiply(&This->stack[This->current], pm, &This->stack[This->current]);
968 static HRESULT WINAPI ID3DXMatrixStackImpl_Pop(ID3DXMatrixStack *iface)
970 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
972 TRACE("iface %p\n", iface);
974 /* Popping the last element on the stack returns D3D_OK, but does nothing. */
975 if (!This->current) return D3D_OK;
977 if (This->current <= This->stack_size / 4 && This->stack_size >= INITIAL_STACK_SIZE * 2)
979 unsigned int new_size;
980 D3DXMATRIX *new_stack;
982 new_size = This->stack_size / 2;
983 new_stack = HeapReAlloc(GetProcessHeap(), 0, This->stack, new_size * sizeof(*new_stack));
986 This->stack_size = new_size;
987 This->stack = new_stack;
996 static HRESULT WINAPI ID3DXMatrixStackImpl_Push(ID3DXMatrixStack *iface)
998 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
1000 TRACE("iface %p\n", iface);
1002 if (This->current == This->stack_size - 1)
1004 unsigned int new_size;
1005 D3DXMATRIX *new_stack;
1007 if (This->stack_size > UINT_MAX / 2) return E_OUTOFMEMORY;
1009 new_size = This->stack_size * 2;
1010 new_stack = HeapReAlloc(GetProcessHeap(), 0, This->stack, new_size * sizeof(*new_stack));
1011 if (!new_stack) return E_OUTOFMEMORY;
1013 This->stack_size = new_size;
1014 This->stack = new_stack;
1018 This->stack[This->current] = This->stack[This->current - 1];
1023 static HRESULT WINAPI ID3DXMatrixStackImpl_RotateAxis(ID3DXMatrixStack *iface, CONST D3DXVECTOR3 *pv, FLOAT angle)
1026 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
1028 TRACE("iface %p\n", iface);
1030 D3DXMatrixRotationAxis(&temp, pv, angle);
1031 D3DXMatrixMultiply(&This->stack[This->current], &This->stack[This->current], &temp);
1036 static HRESULT WINAPI ID3DXMatrixStackImpl_RotateAxisLocal(ID3DXMatrixStack *iface, CONST D3DXVECTOR3 *pv, FLOAT angle)
1039 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
1041 TRACE("iface %p\n", iface);
1043 D3DXMatrixRotationAxis(&temp, pv, angle);
1044 D3DXMatrixMultiply(&This->stack[This->current], &temp, &This->stack[This->current]);
1049 static HRESULT WINAPI ID3DXMatrixStackImpl_RotateYawPitchRoll(ID3DXMatrixStack *iface, FLOAT x, FLOAT y, FLOAT z)
1052 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
1054 TRACE("iface %p\n", iface);
1056 D3DXMatrixRotationYawPitchRoll(&temp, x, y, z);
1057 D3DXMatrixMultiply(&This->stack[This->current], &This->stack[This->current], &temp);
1062 static HRESULT WINAPI ID3DXMatrixStackImpl_RotateYawPitchRollLocal(ID3DXMatrixStack *iface, FLOAT x, FLOAT y, FLOAT z)
1065 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
1067 TRACE("iface %p\n", iface);
1069 D3DXMatrixRotationYawPitchRoll(&temp, x, y, z);
1070 D3DXMatrixMultiply(&This->stack[This->current], &temp, &This->stack[This->current]);
1075 static HRESULT WINAPI ID3DXMatrixStackImpl_Scale(ID3DXMatrixStack *iface, FLOAT x, FLOAT y, FLOAT z)
1078 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
1080 TRACE("iface %p\n", iface);
1082 D3DXMatrixScaling(&temp, x, y, z);
1083 D3DXMatrixMultiply(&This->stack[This->current], &This->stack[This->current], &temp);
1088 static HRESULT WINAPI ID3DXMatrixStackImpl_ScaleLocal(ID3DXMatrixStack *iface, FLOAT x, FLOAT y, FLOAT z)
1091 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
1093 TRACE("iface %p\n", iface);
1095 D3DXMatrixScaling(&temp, x, y, z);
1096 D3DXMatrixMultiply(&This->stack[This->current], &temp, &This->stack[This->current]);
1101 static HRESULT WINAPI ID3DXMatrixStackImpl_Translate(ID3DXMatrixStack *iface, FLOAT x, FLOAT y, FLOAT z)
1104 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
1106 TRACE("iface %p\n", iface);
1108 D3DXMatrixTranslation(&temp, x, y, z);
1109 D3DXMatrixMultiply(&This->stack[This->current], &This->stack[This->current], &temp);
1114 static HRESULT WINAPI ID3DXMatrixStackImpl_TranslateLocal(ID3DXMatrixStack *iface, FLOAT x, FLOAT y, FLOAT z)
1117 ID3DXMatrixStackImpl *This = impl_from_ID3DXMatrixStack(iface);
1119 TRACE("iface %p\n", iface);
1121 D3DXMatrixTranslation(&temp, x, y, z);
1122 D3DXMatrixMultiply(&This->stack[This->current], &temp,&This->stack[This->current]);
1127 static const ID3DXMatrixStackVtbl ID3DXMatrixStack_Vtbl =
1129 ID3DXMatrixStackImpl_QueryInterface,
1130 ID3DXMatrixStackImpl_AddRef,
1131 ID3DXMatrixStackImpl_Release,
1132 ID3DXMatrixStackImpl_Pop,
1133 ID3DXMatrixStackImpl_Push,
1134 ID3DXMatrixStackImpl_LoadIdentity,
1135 ID3DXMatrixStackImpl_LoadMatrix,
1136 ID3DXMatrixStackImpl_MultMatrix,
1137 ID3DXMatrixStackImpl_MultMatrixLocal,
1138 ID3DXMatrixStackImpl_RotateAxis,
1139 ID3DXMatrixStackImpl_RotateAxisLocal,
1140 ID3DXMatrixStackImpl_RotateYawPitchRoll,
1141 ID3DXMatrixStackImpl_RotateYawPitchRollLocal,
1142 ID3DXMatrixStackImpl_Scale,
1143 ID3DXMatrixStackImpl_ScaleLocal,
1144 ID3DXMatrixStackImpl_Translate,
1145 ID3DXMatrixStackImpl_TranslateLocal,
1146 ID3DXMatrixStackImpl_GetTop
1149 /*_________________D3DXPLANE________________*/
1151 D3DXPLANE* WINAPI D3DXPlaneFromPointNormal(D3DXPLANE *pout, CONST D3DXVECTOR3 *pvpoint, CONST D3DXVECTOR3 *pvnormal)
1153 TRACE("(%p, %p, %p)\n", pout, pvpoint, pvnormal);
1155 pout->a = pvnormal->x;
1156 pout->b = pvnormal->y;
1157 pout->c = pvnormal->z;
1158 pout->d = -D3DXVec3Dot(pvpoint, pvnormal);
1162 D3DXPLANE* WINAPI D3DXPlaneFromPoints(D3DXPLANE *pout, CONST D3DXVECTOR3 *pv1, CONST D3DXVECTOR3 *pv2, CONST D3DXVECTOR3 *pv3)
1164 D3DXVECTOR3 edge1, edge2, normal, Nnormal;
1166 TRACE("(%p, %p, %p, %p)\n", pout, pv1, pv2, pv3);
1168 edge1.x = 0.0f; edge1.y = 0.0f; edge1.z = 0.0f;
1169 edge2.x = 0.0f; edge2.y = 0.0f; edge2.z = 0.0f;
1170 D3DXVec3Subtract(&edge1, pv2, pv1);
1171 D3DXVec3Subtract(&edge2, pv3, pv1);
1172 D3DXVec3Cross(&normal, &edge1, &edge2);
1173 D3DXVec3Normalize(&Nnormal, &normal);
1174 D3DXPlaneFromPointNormal(pout, pv1, &Nnormal);
1178 D3DXVECTOR3* WINAPI D3DXPlaneIntersectLine(D3DXVECTOR3 *pout, CONST D3DXPLANE *pp, CONST D3DXVECTOR3 *pv1, CONST D3DXVECTOR3 *pv2)
1180 D3DXVECTOR3 direction, normal;
1183 TRACE("(%p, %p, %p, %p)\n", pout, pp, pv1, pv2);
1188 direction.x = pv2->x - pv1->x;
1189 direction.y = pv2->y - pv1->y;
1190 direction.z = pv2->z - pv1->z;
1191 dot = D3DXVec3Dot(&normal, &direction);
1192 if ( !dot ) return NULL;
1193 temp = ( pp->d + D3DXVec3Dot(&normal, pv1) ) / dot;
1194 pout->x = pv1->x - temp * direction.x;
1195 pout->y = pv1->y - temp * direction.y;
1196 pout->z = pv1->z - temp * direction.z;
1200 D3DXPLANE* WINAPI D3DXPlaneNormalize(D3DXPLANE *pout, CONST D3DXPLANE *pp)
1205 TRACE("(%p, %p)\n", pout, pp);
1207 norm = sqrt(pp->a * pp->a + pp->b * pp->b + pp->c * pp->c);
1210 out.a = pp->a / norm;
1211 out.b = pp->b / norm;
1212 out.c = pp->c / norm;
1213 out.d = pp->d / norm;
1226 D3DXPLANE* WINAPI D3DXPlaneTransform(D3DXPLANE *pout, CONST D3DXPLANE *pplane, CONST D3DXMATRIX *pm)
1228 CONST D3DXPLANE plane = *pplane;
1230 TRACE("(%p, %p, %p)\n", pout, pplane, pm);
1232 pout->a = pm->u.m[0][0] * plane.a + pm->u.m[1][0] * plane.b + pm->u.m[2][0] * plane.c + pm->u.m[3][0] * plane.d;
1233 pout->b = pm->u.m[0][1] * plane.a + pm->u.m[1][1] * plane.b + pm->u.m[2][1] * plane.c + pm->u.m[3][1] * plane.d;
1234 pout->c = pm->u.m[0][2] * plane.a + pm->u.m[1][2] * plane.b + pm->u.m[2][2] * plane.c + pm->u.m[3][2] * plane.d;
1235 pout->d = pm->u.m[0][3] * plane.a + pm->u.m[1][3] * plane.b + pm->u.m[2][3] * plane.c + pm->u.m[3][3] * plane.d;
1239 D3DXPLANE* WINAPI D3DXPlaneTransformArray(D3DXPLANE* out, UINT outstride, CONST D3DXPLANE* in, UINT instride, CONST D3DXMATRIX* matrix, UINT elements)
1243 TRACE("(%p, %u, %p, %u, %p, %u)\n", out, outstride, in, instride, matrix, elements);
1245 for (i = 0; i < elements; ++i) {
1247 (D3DXPLANE*)((char*)out + outstride * i),
1248 (CONST D3DXPLANE*)((const char*)in + instride * i),
1254 /*_________________D3DXQUATERNION________________*/
1256 D3DXQUATERNION* WINAPI D3DXQuaternionBaryCentric(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq1, CONST D3DXQUATERNION *pq2, CONST D3DXQUATERNION *pq3, FLOAT f, FLOAT g)
1258 D3DXQUATERNION temp1, temp2;
1260 TRACE("(%p, %p, %p, %p, %f, %f)\n", pout, pq1, pq2, pq3, f, g);
1262 D3DXQuaternionSlerp(pout, D3DXQuaternionSlerp(&temp1, pq1, pq2, f + g), D3DXQuaternionSlerp(&temp2, pq1, pq3, f+g), g / (f + g));
1266 D3DXQUATERNION* WINAPI D3DXQuaternionExp(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq)
1270 TRACE("(%p, %p)\n", pout, pq);
1272 norm = sqrt(pq->x * pq->x + pq->y * pq->y + pq->z * pq->z);
1275 pout->x = sin(norm) * pq->x / norm;
1276 pout->y = sin(norm) * pq->y / norm;
1277 pout->z = sin(norm) * pq->z / norm;
1278 pout->w = cos(norm);
1290 D3DXQUATERNION* WINAPI D3DXQuaternionInverse(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq)
1295 TRACE("(%p, %p)\n", pout, pq);
1297 norm = D3DXQuaternionLengthSq(pq);
1299 out.x = -pq->x / norm;
1300 out.y = -pq->y / norm;
1301 out.z = -pq->z / norm;
1302 out.w = pq->w / norm;
1308 D3DXQUATERNION* WINAPI D3DXQuaternionLn(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq)
1312 TRACE("(%p, %p)\n", pout, pq);
1314 if ( (pq->w >= 1.0f) || (pq->w == -1.0f) )
1317 t = acos( pq->w ) / sqrt( 1.0f - pq->w * pq->w );
1319 pout->x = t * pq->x;
1320 pout->y = t * pq->y;
1321 pout->z = t * pq->z;
1327 D3DXQUATERNION* WINAPI D3DXQuaternionMultiply(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq1, CONST D3DXQUATERNION *pq2)
1331 TRACE("(%p, %p, %p)\n", pout, pq1, pq2);
1333 out.x = pq2->w * pq1->x + pq2->x * pq1->w + pq2->y * pq1->z - pq2->z * pq1->y;
1334 out.y = pq2->w * pq1->y - pq2->x * pq1->z + pq2->y * pq1->w + pq2->z * pq1->x;
1335 out.z = pq2->w * pq1->z + pq2->x * pq1->y - pq2->y * pq1->x + pq2->z * pq1->w;
1336 out.w = pq2->w * pq1->w - pq2->x * pq1->x - pq2->y * pq1->y - pq2->z * pq1->z;
1341 D3DXQUATERNION* WINAPI D3DXQuaternionNormalize(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq)
1346 TRACE("(%p, %p)\n", pout, pq);
1348 norm = D3DXQuaternionLength(pq);
1350 out.x = pq->x / norm;
1351 out.y = pq->y / norm;
1352 out.z = pq->z / norm;
1353 out.w = pq->w / norm;
1360 D3DXQUATERNION* WINAPI D3DXQuaternionRotationAxis(D3DXQUATERNION *pout, CONST D3DXVECTOR3 *pv, FLOAT angle)
1364 TRACE("(%p, %p, %f)\n", pout, pv, angle);
1366 D3DXVec3Normalize(&temp, pv);
1367 pout->x = sin( angle / 2.0f ) * temp.x;
1368 pout->y = sin( angle / 2.0f ) * temp.y;
1369 pout->z = sin( angle / 2.0f ) * temp.z;
1370 pout->w = cos( angle / 2.0f );
1374 D3DXQUATERNION* WINAPI D3DXQuaternionRotationMatrix(D3DXQUATERNION *pout, CONST D3DXMATRIX *pm)
1377 FLOAT maxdiag, S, trace;
1379 TRACE("(%p, %p)\n", pout, pm);
1381 trace = pm->u.m[0][0] + pm->u.m[1][1] + pm->u.m[2][2] + 1.0f;
1384 pout->x = ( pm->u.m[1][2] - pm->u.m[2][1] ) / ( 2.0f * sqrt(trace) );
1385 pout->y = ( pm->u.m[2][0] - pm->u.m[0][2] ) / ( 2.0f * sqrt(trace) );
1386 pout->z = ( pm->u.m[0][1] - pm->u.m[1][0] ) / ( 2.0f * sqrt(trace) );
1387 pout->w = sqrt(trace) / 2.0f;
1391 maxdiag = pm->u.m[0][0];
1394 if ( pm->u.m[i][i] > maxdiag )
1397 maxdiag = pm->u.m[i][i];
1403 S = 2.0f * sqrt(1.0f + pm->u.m[0][0] - pm->u.m[1][1] - pm->u.m[2][2]);
1404 pout->x = 0.25f * S;
1405 pout->y = ( pm->u.m[0][1] + pm->u.m[1][0] ) / S;
1406 pout->z = ( pm->u.m[0][2] + pm->u.m[2][0] ) / S;
1407 pout->w = ( pm->u.m[1][2] - pm->u.m[2][1] ) / S;
1410 S = 2.0f * sqrt(1.0f + pm->u.m[1][1] - pm->u.m[0][0] - pm->u.m[2][2]);
1411 pout->x = ( pm->u.m[0][1] + pm->u.m[1][0] ) / S;
1412 pout->y = 0.25f * S;
1413 pout->z = ( pm->u.m[1][2] + pm->u.m[2][1] ) / S;
1414 pout->w = ( pm->u.m[2][0] - pm->u.m[0][2] ) / S;
1417 S = 2.0f * sqrt(1.0f + pm->u.m[2][2] - pm->u.m[0][0] - pm->u.m[1][1]);
1418 pout->x = ( pm->u.m[0][2] + pm->u.m[2][0] ) / S;
1419 pout->y = ( pm->u.m[1][2] + pm->u.m[2][1] ) / S;
1420 pout->z = 0.25f * S;
1421 pout->w = ( pm->u.m[0][1] - pm->u.m[1][0] ) / S;
1427 D3DXQUATERNION* WINAPI D3DXQuaternionRotationYawPitchRoll(D3DXQUATERNION *pout, FLOAT yaw, FLOAT pitch, FLOAT roll)
1429 TRACE("(%p, %f, %f, %f)\n", pout, yaw, pitch, roll);
1431 pout->x = sin( yaw / 2.0f) * cos(pitch / 2.0f) * sin(roll / 2.0f) + cos(yaw / 2.0f) * sin(pitch / 2.0f) * cos(roll / 2.0f);
1432 pout->y = sin( yaw / 2.0f) * cos(pitch / 2.0f) * cos(roll / 2.0f) - cos(yaw / 2.0f) * sin(pitch / 2.0f) * sin(roll / 2.0f);
1433 pout->z = cos(yaw / 2.0f) * cos(pitch / 2.0f) * sin(roll / 2.0f) - sin( yaw / 2.0f) * sin(pitch / 2.0f) * cos(roll / 2.0f);
1434 pout->w = cos( yaw / 2.0f) * cos(pitch / 2.0f) * cos(roll / 2.0f) + sin(yaw / 2.0f) * sin(pitch / 2.0f) * sin(roll / 2.0f);
1438 D3DXQUATERNION* WINAPI D3DXQuaternionSlerp(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq1, CONST D3DXQUATERNION *pq2, FLOAT t)
1440 FLOAT dot, epsilon, temp, theta, u;
1442 TRACE("(%p, %p, %p, %f)\n", pout, pq1, pq2, t);
1447 dot = D3DXQuaternionDot(pq1, pq2);
1453 if( 1.0f - dot > 0.001f )
1456 temp = sin(theta * temp) / sin(theta);
1457 u = sin(theta * u) / sin(theta);
1459 pout->x = temp * pq1->x + epsilon * u * pq2->x;
1460 pout->y = temp * pq1->y + epsilon * u * pq2->y;
1461 pout->z = temp * pq1->z + epsilon * u * pq2->z;
1462 pout->w = temp * pq1->w + epsilon * u * pq2->w;
1466 D3DXQUATERNION* WINAPI D3DXQuaternionSquad(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq1, CONST D3DXQUATERNION *pq2, CONST D3DXQUATERNION *pq3, CONST D3DXQUATERNION *pq4, FLOAT t)
1468 D3DXQUATERNION temp1, temp2;
1470 TRACE("(%p, %p, %p, %p, %p, %f)\n", pout, pq1, pq2, pq3, pq4, t);
1472 D3DXQuaternionSlerp(pout, D3DXQuaternionSlerp(&temp1, pq1, pq4, t), D3DXQuaternionSlerp(&temp2, pq2, pq3, t), 2.0f * t * (1.0f - t));
1476 static D3DXQUATERNION add_diff(CONST D3DXQUATERNION *q1, CONST D3DXQUATERNION *q2, CONST FLOAT add)
1478 D3DXQUATERNION temp;
1480 temp.x = q1->x + add * q2->x;
1481 temp.y = q1->y + add * q2->y;
1482 temp.z = q1->z + add * q2->z;
1483 temp.w = q1->w + add * q2->w;
1488 void WINAPI D3DXQuaternionSquadSetup(D3DXQUATERNION *paout, D3DXQUATERNION *pbout, D3DXQUATERNION *pcout, CONST D3DXQUATERNION *pq0, CONST D3DXQUATERNION *pq1, CONST D3DXQUATERNION *pq2, CONST D3DXQUATERNION *pq3)
1490 D3DXQUATERNION q, temp1, temp2, temp3, zero;
1492 TRACE("(%p, %p, %p, %p, %p, %p, %p)\n", paout, pbout, pcout, pq0, pq1, pq2, pq3);
1499 if ( D3DXQuaternionDot(pq0, pq1) < 0.0f )
1500 temp2 = add_diff(&zero, pq0, -1.0f);
1504 if ( D3DXQuaternionDot(pq1, pq2) < 0.0f )
1505 *pcout = add_diff(&zero, pq2, -1.0f);
1509 if ( D3DXQuaternionDot(pcout, pq3) < 0.0f )
1510 temp3 = add_diff(&zero, pq3, -1.0f);
1514 D3DXQuaternionInverse(&temp1, pq1);
1515 D3DXQuaternionMultiply(&temp2, &temp1, &temp2);
1516 D3DXQuaternionLn(&temp2, &temp2);
1517 D3DXQuaternionMultiply(&q, &temp1, pcout);
1518 D3DXQuaternionLn(&q, &q);
1519 temp1 = add_diff(&temp2, &q, 1.0f);
1524 D3DXQuaternionExp(&temp1, &temp1);
1525 D3DXQuaternionMultiply(paout, pq1, &temp1);
1527 D3DXQuaternionInverse(&temp1, pcout);
1528 D3DXQuaternionMultiply(&temp2, &temp1, pq1);
1529 D3DXQuaternionLn(&temp2, &temp2);
1530 D3DXQuaternionMultiply(&q, &temp1, &temp3);
1531 D3DXQuaternionLn(&q, &q);
1532 temp1 = add_diff(&temp2, &q, 1.0f);
1537 D3DXQuaternionExp(&temp1, &temp1);
1538 D3DXQuaternionMultiply(pbout, pcout, &temp1);
1543 void WINAPI D3DXQuaternionToAxisAngle(CONST D3DXQUATERNION *pq, D3DXVECTOR3 *paxis, FLOAT *pangle)
1545 TRACE("(%p, %p, %p)\n", pq, paxis, pangle);
1550 *pangle = 2.0f * acos(pq->w);
1553 /*_________________D3DXVec2_____________________*/
1555 D3DXVECTOR2* WINAPI D3DXVec2BaryCentric(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv1, CONST D3DXVECTOR2 *pv2, CONST D3DXVECTOR2 *pv3, FLOAT f, FLOAT g)
1557 TRACE("(%p, %p, %p, %p, %f, %f)\n", pout, pv1, pv2, pv3, f, g);
1559 pout->x = (1.0f-f-g) * (pv1->x) + f * (pv2->x) + g * (pv3->x);
1560 pout->y = (1.0f-f-g) * (pv1->y) + f * (pv2->y) + g * (pv3->y);
1564 D3DXVECTOR2* WINAPI D3DXVec2CatmullRom(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv0, CONST D3DXVECTOR2 *pv1, CONST D3DXVECTOR2 *pv2, CONST D3DXVECTOR2 *pv3, FLOAT s)
1566 TRACE("(%p, %p, %p, %p, %p, %f)\n", pout, pv0, pv1, pv2, pv3, s);
1568 pout->x = 0.5f * (2.0f * pv1->x + (pv2->x - pv0->x) *s + (2.0f *pv0->x - 5.0f * pv1->x + 4.0f * pv2->x - pv3->x) * s * s + (pv3->x -3.0f * pv2->x + 3.0f * pv1->x - pv0->x) * s * s * s);
1569 pout->y = 0.5f * (2.0f * pv1->y + (pv2->y - pv0->y) *s + (2.0f *pv0->y - 5.0f * pv1->y + 4.0f * pv2->y - pv3->y) * s * s + (pv3->y -3.0f * pv2->y + 3.0f * pv1->y - pv0->y) * s * s * s);
1573 D3DXVECTOR2* WINAPI D3DXVec2Hermite(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv1, CONST D3DXVECTOR2 *pt1, CONST D3DXVECTOR2 *pv2, CONST D3DXVECTOR2 *pt2, FLOAT s)
1575 FLOAT h1, h2, h3, h4;
1577 TRACE("(%p, %p, %p, %p, %p, %f)\n", pout, pv1, pt1, pv2, pt2, s);
1579 h1 = 2.0f * s * s * s - 3.0f * s * s + 1.0f;
1580 h2 = s * s * s - 2.0f * s * s + s;
1581 h3 = -2.0f * s * s * s + 3.0f * s * s;
1582 h4 = s * s * s - s * s;
1584 pout->x = h1 * (pv1->x) + h2 * (pt1->x) + h3 * (pv2->x) + h4 * (pt2->x);
1585 pout->y = h1 * (pv1->y) + h2 * (pt1->y) + h3 * (pv2->y) + h4 * (pt2->y);
1589 D3DXVECTOR2* WINAPI D3DXVec2Normalize(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv)
1594 TRACE("(%p, %p)\n", pout, pv);
1596 norm = D3DXVec2Length(pv);
1604 out.x = pv->x / norm;
1605 out.y = pv->y / norm;
1611 D3DXVECTOR4* WINAPI D3DXVec2Transform(D3DXVECTOR4 *pout, CONST D3DXVECTOR2 *pv, CONST D3DXMATRIX *pm)
1613 TRACE("(%p, %p, %p)\n", pout, pv, pm);
1615 pout->x = pm->u.m[0][0] * pv->x + pm->u.m[1][0] * pv->y + pm->u.m[3][0];
1616 pout->y = pm->u.m[0][1] * pv->x + pm->u.m[1][1] * pv->y + pm->u.m[3][1];
1617 pout->z = pm->u.m[0][2] * pv->x + pm->u.m[1][2] * pv->y + pm->u.m[3][2];
1618 pout->w = pm->u.m[0][3] * pv->x + pm->u.m[1][3] * pv->y + pm->u.m[3][3];
1622 D3DXVECTOR4* WINAPI D3DXVec2TransformArray(D3DXVECTOR4* out, UINT outstride, CONST D3DXVECTOR2* in, UINT instride, CONST D3DXMATRIX* matrix, UINT elements)
1626 TRACE("(%p, %u, %p, %u, %p, %u)\n", out, outstride, in, instride, matrix, elements);
1628 for (i = 0; i < elements; ++i) {
1630 (D3DXVECTOR4*)((char*)out + outstride * i),
1631 (CONST D3DXVECTOR2*)((const char*)in + instride * i),
1637 D3DXVECTOR2* WINAPI D3DXVec2TransformCoord(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv, CONST D3DXMATRIX *pm)
1642 TRACE("(%p, %p, %p)\n", pout, pv, pm);
1645 norm = pm->u.m[0][3] * pv->x + pm->u.m[1][3] * pv->y + pm->u.m[3][3];
1647 pout->x = (pm->u.m[0][0] * v.x + pm->u.m[1][0] * v.y + pm->u.m[3][0]) / norm;
1648 pout->y = (pm->u.m[0][1] * v.x + pm->u.m[1][1] * v.y + pm->u.m[3][1]) / norm;
1653 D3DXVECTOR2* WINAPI D3DXVec2TransformCoordArray(D3DXVECTOR2* out, UINT outstride, CONST D3DXVECTOR2* in, UINT instride, CONST D3DXMATRIX* matrix, UINT elements)
1657 TRACE("(%p, %u, %p, %u, %p, %u)\n", out, outstride, in, instride, matrix, elements);
1659 for (i = 0; i < elements; ++i) {
1660 D3DXVec2TransformCoord(
1661 (D3DXVECTOR2*)((char*)out + outstride * i),
1662 (CONST D3DXVECTOR2*)((const char*)in + instride * i),
1668 D3DXVECTOR2* WINAPI D3DXVec2TransformNormal(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv, CONST D3DXMATRIX *pm)
1670 CONST D3DXVECTOR2 v = *pv;
1671 pout->x = pm->u.m[0][0] * v.x + pm->u.m[1][0] * v.y;
1672 pout->y = pm->u.m[0][1] * v.x + pm->u.m[1][1] * v.y;
1676 D3DXVECTOR2* WINAPI D3DXVec2TransformNormalArray(D3DXVECTOR2* out, UINT outstride, CONST D3DXVECTOR2 *in, UINT instride, CONST D3DXMATRIX *matrix, UINT elements)
1680 TRACE("(%p, %u, %p, %u, %p, %u)\n", out, outstride, in, instride, matrix, elements);
1682 for (i = 0; i < elements; ++i) {
1683 D3DXVec2TransformNormal(
1684 (D3DXVECTOR2*)((char*)out + outstride * i),
1685 (CONST D3DXVECTOR2*)((const char*)in + instride * i),
1691 /*_________________D3DXVec3_____________________*/
1693 D3DXVECTOR3* WINAPI D3DXVec3BaryCentric(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv1, CONST D3DXVECTOR3 *pv2, CONST D3DXVECTOR3 *pv3, FLOAT f, FLOAT g)
1695 TRACE("(%p, %p, %p, %p, %f, %f)\n", pout, pv1, pv2, pv3, f, g);
1697 pout->x = (1.0f-f-g) * (pv1->x) + f * (pv2->x) + g * (pv3->x);
1698 pout->y = (1.0f-f-g) * (pv1->y) + f * (pv2->y) + g * (pv3->y);
1699 pout->z = (1.0f-f-g) * (pv1->z) + f * (pv2->z) + g * (pv3->z);
1703 D3DXVECTOR3* WINAPI D3DXVec3CatmullRom( D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv0, CONST D3DXVECTOR3 *pv1, CONST D3DXVECTOR3 *pv2, CONST D3DXVECTOR3 *pv3, FLOAT s)
1705 TRACE("(%p, %p, %p, %p, %p, %f)\n", pout, pv0, pv1, pv2, pv3, s);
1707 pout->x = 0.5f * (2.0f * pv1->x + (pv2->x - pv0->x) *s + (2.0f *pv0->x - 5.0f * pv1->x + 4.0f * pv2->x - pv3->x) * s * s + (pv3->x -3.0f * pv2->x + 3.0f * pv1->x - pv0->x) * s * s * s);
1708 pout->y = 0.5f * (2.0f * pv1->y + (pv2->y - pv0->y) *s + (2.0f *pv0->y - 5.0f * pv1->y + 4.0f * pv2->y - pv3->y) * s * s + (pv3->y -3.0f * pv2->y + 3.0f * pv1->y - pv0->y) * s * s * s);
1709 pout->z = 0.5f * (2.0f * pv1->z + (pv2->z - pv0->z) *s + (2.0f *pv0->z - 5.0f * pv1->z + 4.0f * pv2->z - pv3->z) * s * s + (pv3->z -3.0f * pv2->z + 3.0f * pv1->z - pv0->z) * s * s * s);
1713 D3DXVECTOR3* WINAPI D3DXVec3Hermite(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv1, CONST D3DXVECTOR3 *pt1, CONST D3DXVECTOR3 *pv2, CONST D3DXVECTOR3 *pt2, FLOAT s)
1715 FLOAT h1, h2, h3, h4;
1717 TRACE("(%p, %p, %p, %p, %p, %f)\n", pout, pv1, pt1, pv2, pt2, s);
1719 h1 = 2.0f * s * s * s - 3.0f * s * s + 1.0f;
1720 h2 = s * s * s - 2.0f * s * s + s;
1721 h3 = -2.0f * s * s * s + 3.0f * s * s;
1722 h4 = s * s * s - s * s;
1724 pout->x = h1 * (pv1->x) + h2 * (pt1->x) + h3 * (pv2->x) + h4 * (pt2->x);
1725 pout->y = h1 * (pv1->y) + h2 * (pt1->y) + h3 * (pv2->y) + h4 * (pt2->y);
1726 pout->z = h1 * (pv1->z) + h2 * (pt1->z) + h3 * (pv2->z) + h4 * (pt2->z);
1730 D3DXVECTOR3* WINAPI D3DXVec3Normalize(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv)
1735 TRACE("(%p, %p)\n", pout, pv);
1737 norm = D3DXVec3Length(pv);
1746 out.x = pv->x / norm;
1747 out.y = pv->y / norm;
1748 out.z = pv->z / norm;
1754 D3DXVECTOR3* WINAPI D3DXVec3Project(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv, CONST D3DVIEWPORT9 *pviewport, CONST D3DXMATRIX *pprojection, CONST D3DXMATRIX *pview, CONST D3DXMATRIX *pworld)
1759 TRACE("(%p, %p, %p, %p, %p, %p)\n", pout, pv, pviewport, pprojection, pview, pworld);
1761 D3DXMatrixMultiply(&m, pworld, pview);
1762 D3DXMatrixMultiply(&m, &m, pprojection);
1763 D3DXVec3TransformCoord(&out, pv, &m);
1764 out.x = pviewport->X + ( 1.0f + out.x ) * pviewport->Width / 2.0f;
1765 out.y = pviewport->Y + ( 1.0f - out.y ) * pviewport->Height / 2.0f;
1766 out.z = pviewport->MinZ + out.z * ( pviewport->MaxZ - pviewport->MinZ );
1771 D3DXVECTOR3* WINAPI D3DXVec3ProjectArray(D3DXVECTOR3* out, UINT outstride, CONST D3DXVECTOR3* in, UINT instride, CONST D3DVIEWPORT9* viewport, CONST D3DXMATRIX* projection, CONST D3DXMATRIX* view, CONST D3DXMATRIX* world, UINT elements)
1775 TRACE("(%p, %u, %p, %u, %p, %p, %p, %p, %u)\n", out, outstride, in, instride, viewport, projection, view, world, elements);
1777 for (i = 0; i < elements; ++i) {
1779 (D3DXVECTOR3*)((char*)out + outstride * i),
1780 (CONST D3DXVECTOR3*)((const char*)in + instride * i),
1781 viewport, projection, view, world);
1786 D3DXVECTOR4* WINAPI D3DXVec3Transform(D3DXVECTOR4 *pout, CONST D3DXVECTOR3 *pv, CONST D3DXMATRIX *pm)
1788 TRACE("(%p, %p, %p)\n", pout, pv, pm);
1790 pout->x = pm->u.m[0][0] * pv->x + pm->u.m[1][0] * pv->y + pm->u.m[2][0] * pv->z + pm->u.m[3][0];
1791 pout->y = pm->u.m[0][1] * pv->x + pm->u.m[1][1] * pv->y + pm->u.m[2][1] * pv->z + pm->u.m[3][1];
1792 pout->z = pm->u.m[0][2] * pv->x + pm->u.m[1][2] * pv->y + pm->u.m[2][2] * pv->z + pm->u.m[3][2];
1793 pout->w = pm->u.m[0][3] * pv->x + pm->u.m[1][3] * pv->y + pm->u.m[2][3] * pv->z + pm->u.m[3][3];
1797 D3DXVECTOR4* WINAPI D3DXVec3TransformArray(D3DXVECTOR4* out, UINT outstride, CONST D3DXVECTOR3* in, UINT instride, CONST D3DXMATRIX* matrix, UINT elements)
1801 TRACE("(%p, %u, %p, %u, %p, %u)\n", out, outstride, in, instride, matrix, elements);
1803 for (i = 0; i < elements; ++i) {
1805 (D3DXVECTOR4*)((char*)out + outstride * i),
1806 (CONST D3DXVECTOR3*)((const char*)in + instride * i),
1812 D3DXVECTOR3* WINAPI D3DXVec3TransformCoord(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv, CONST D3DXMATRIX *pm)
1817 TRACE("(%p, %p, %p)\n", pout, pv, pm);
1819 norm = pm->u.m[0][3] * pv->x + pm->u.m[1][3] * pv->y + pm->u.m[2][3] *pv->z + pm->u.m[3][3];
1821 out.x = (pm->u.m[0][0] * pv->x + pm->u.m[1][0] * pv->y + pm->u.m[2][0] * pv->z + pm->u.m[3][0]) / norm;
1822 out.y = (pm->u.m[0][1] * pv->x + pm->u.m[1][1] * pv->y + pm->u.m[2][1] * pv->z + pm->u.m[3][1]) / norm;
1823 out.z = (pm->u.m[0][2] * pv->x + pm->u.m[1][2] * pv->y + pm->u.m[2][2] * pv->z + pm->u.m[3][2]) / norm;
1830 D3DXVECTOR3* WINAPI D3DXVec3TransformCoordArray(D3DXVECTOR3* out, UINT outstride, CONST D3DXVECTOR3* in, UINT instride, CONST D3DXMATRIX* matrix, UINT elements)
1834 TRACE("(%p, %u, %p, %u, %p, %u)\n", out, outstride, in, instride, matrix, elements);
1836 for (i = 0; i < elements; ++i) {
1837 D3DXVec3TransformCoord(
1838 (D3DXVECTOR3*)((char*)out + outstride * i),
1839 (CONST D3DXVECTOR3*)((const char*)in + instride * i),
1845 D3DXVECTOR3* WINAPI D3DXVec3TransformNormal(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv, CONST D3DXMATRIX *pm)
1847 CONST D3DXVECTOR3 v = *pv;
1849 TRACE("(%p, %p, %p)\n", pout, pv, pm);
1851 pout->x = pm->u.m[0][0] * v.x + pm->u.m[1][0] * v.y + pm->u.m[2][0] * v.z;
1852 pout->y = pm->u.m[0][1] * v.x + pm->u.m[1][1] * v.y + pm->u.m[2][1] * v.z;
1853 pout->z = pm->u.m[0][2] * v.x + pm->u.m[1][2] * v.y + pm->u.m[2][2] * v.z;
1858 D3DXVECTOR3* WINAPI D3DXVec3TransformNormalArray(D3DXVECTOR3* out, UINT outstride, CONST D3DXVECTOR3* in, UINT instride, CONST D3DXMATRIX* matrix, UINT elements)
1862 TRACE("(%p, %u, %p, %u, %p, %u)\n", out, outstride, in, instride, matrix, elements);
1864 for (i = 0; i < elements; ++i) {
1865 D3DXVec3TransformNormal(
1866 (D3DXVECTOR3*)((char*)out + outstride * i),
1867 (CONST D3DXVECTOR3*)((const char*)in + instride * i),
1873 D3DXVECTOR3* WINAPI D3DXVec3Unproject(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv, CONST D3DVIEWPORT9 *pviewport, CONST D3DXMATRIX *pprojection, CONST D3DXMATRIX *pview, CONST D3DXMATRIX *pworld)
1878 TRACE("(%p, %p, %p, %p, %p, %p)\n", pout, pv, pviewport, pprojection, pview, pworld);
1881 D3DXMatrixMultiply(&m, pworld, pview);
1882 D3DXMatrixMultiply(&m, &m, pprojection);
1884 D3DXMatrixMultiply(&m, pview, pprojection);
1886 D3DXMatrixInverse(&m, NULL, &m);
1887 out.x = 2.0f * ( pv->x - pviewport->X ) / pviewport->Width - 1.0f;
1888 out.y = 1.0f - 2.0f * ( pv->y - pviewport->Y ) / pviewport->Height;
1889 out.z = ( pv->z - pviewport->MinZ) / ( pviewport->MaxZ - pviewport->MinZ );
1890 D3DXVec3TransformCoord(&out, &out, &m);
1895 D3DXVECTOR3* WINAPI D3DXVec3UnprojectArray(D3DXVECTOR3* out, UINT outstride, CONST D3DXVECTOR3* in, UINT instride, CONST D3DVIEWPORT9* viewport, CONST D3DXMATRIX* projection, CONST D3DXMATRIX* view, CONST D3DXMATRIX* world, UINT elements)
1899 TRACE("(%p, %u, %p, %u, %p, %p, %p, %p, %u)\n", out, outstride, in, instride, viewport, projection, view, world, elements);
1901 for (i = 0; i < elements; ++i) {
1903 (D3DXVECTOR3*)((char*)out + outstride * i),
1904 (CONST D3DXVECTOR3*)((const char*)in + instride * i),
1905 viewport, projection, view, world);
1910 /*_________________D3DXVec4_____________________*/
1912 D3DXVECTOR4* WINAPI D3DXVec4BaryCentric(D3DXVECTOR4 *pout, CONST D3DXVECTOR4 *pv1, CONST D3DXVECTOR4 *pv2, CONST D3DXVECTOR4 *pv3, FLOAT f, FLOAT g)
1914 TRACE("(%p, %p, %p, %p, %f, %f)\n", pout, pv1, pv2, pv3, f, g);
1916 pout->x = (1.0f-f-g) * (pv1->x) + f * (pv2->x) + g * (pv3->x);
1917 pout->y = (1.0f-f-g) * (pv1->y) + f * (pv2->y) + g * (pv3->y);
1918 pout->z = (1.0f-f-g) * (pv1->z) + f * (pv2->z) + g * (pv3->z);
1919 pout->w = (1.0f-f-g) * (pv1->w) + f * (pv2->w) + g * (pv3->w);
1923 D3DXVECTOR4* WINAPI D3DXVec4CatmullRom(D3DXVECTOR4 *pout, CONST D3DXVECTOR4 *pv0, CONST D3DXVECTOR4 *pv1, CONST D3DXVECTOR4 *pv2, CONST D3DXVECTOR4 *pv3, FLOAT s)
1925 TRACE("(%p, %p, %p, %p, %p, %f)\n", pout, pv0, pv1, pv2, pv3, s);
1927 pout->x = 0.5f * (2.0f * pv1->x + (pv2->x - pv0->x) *s + (2.0f *pv0->x - 5.0f * pv1->x + 4.0f * pv2->x - pv3->x) * s * s + (pv3->x -3.0f * pv2->x + 3.0f * pv1->x - pv0->x) * s * s * s);
1928 pout->y = 0.5f * (2.0f * pv1->y + (pv2->y - pv0->y) *s + (2.0f *pv0->y - 5.0f * pv1->y + 4.0f * pv2->y - pv3->y) * s * s + (pv3->y -3.0f * pv2->y + 3.0f * pv1->y - pv0->y) * s * s * s);
1929 pout->z = 0.5f * (2.0f * pv1->z + (pv2->z - pv0->z) *s + (2.0f *pv0->z - 5.0f * pv1->z + 4.0f * pv2->z - pv3->z) * s * s + (pv3->z -3.0f * pv2->z + 3.0f * pv1->z - pv0->z) * s * s * s);
1930 pout->w = 0.5f * (2.0f * pv1->w + (pv2->w - pv0->w) *s + (2.0f *pv0->w - 5.0f * pv1->w + 4.0f * pv2->w - pv3->w) * s * s + (pv3->w -3.0f * pv2->w + 3.0f * pv1->w - pv0->w) * s * s * s);
1934 D3DXVECTOR4* WINAPI D3DXVec4Cross(D3DXVECTOR4 *pout, CONST D3DXVECTOR4 *pv1, CONST D3DXVECTOR4 *pv2, CONST D3DXVECTOR4 *pv3)
1938 TRACE("(%p, %p, %p, %p)\n", pout, pv1, pv2, pv3);
1940 out.x = pv1->y * (pv2->z * pv3->w - pv3->z * pv2->w) - pv1->z * (pv2->y * pv3->w - pv3->y * pv2->w) + pv1->w * (pv2->y * pv3->z - pv2->z *pv3->y);
1941 out.y = -(pv1->x * (pv2->z * pv3->w - pv3->z * pv2->w) - pv1->z * (pv2->x * pv3->w - pv3->x * pv2->w) + pv1->w * (pv2->x * pv3->z - pv3->x * pv2->z));
1942 out.z = pv1->x * (pv2->y * pv3->w - pv3->y * pv2->w) - pv1->y * (pv2->x *pv3->w - pv3->x * pv2->w) + pv1->w * (pv2->x * pv3->y - pv3->x * pv2->y);
1943 out.w = -(pv1->x * (pv2->y * pv3->z - pv3->y * pv2->z) - pv1->y * (pv2->x * pv3->z - pv3->x *pv2->z) + pv1->z * (pv2->x * pv3->y - pv3->x * pv2->y));
1948 D3DXVECTOR4* WINAPI D3DXVec4Hermite(D3DXVECTOR4 *pout, CONST D3DXVECTOR4 *pv1, CONST D3DXVECTOR4 *pt1, CONST D3DXVECTOR4 *pv2, CONST D3DXVECTOR4 *pt2, FLOAT s)
1950 FLOAT h1, h2, h3, h4;
1952 TRACE("(%p, %p, %p, %p, %p, %f)\n", pout, pv1, pt1, pv2, pt2, s);
1954 h1 = 2.0f * s * s * s - 3.0f * s * s + 1.0f;
1955 h2 = s * s * s - 2.0f * s * s + s;
1956 h3 = -2.0f * s * s * s + 3.0f * s * s;
1957 h4 = s * s * s - s * s;
1959 pout->x = h1 * (pv1->x) + h2 * (pt1->x) + h3 * (pv2->x) + h4 * (pt2->x);
1960 pout->y = h1 * (pv1->y) + h2 * (pt1->y) + h3 * (pv2->y) + h4 * (pt2->y);
1961 pout->z = h1 * (pv1->z) + h2 * (pt1->z) + h3 * (pv2->z) + h4 * (pt2->z);
1962 pout->w = h1 * (pv1->w) + h2 * (pt1->w) + h3 * (pv2->w) + h4 * (pt2->w);
1966 D3DXVECTOR4* WINAPI D3DXVec4Normalize(D3DXVECTOR4 *pout, CONST D3DXVECTOR4 *pv)
1971 TRACE("(%p, %p)\n", pout, pv);
1973 norm = D3DXVec4Length(pv);
1975 out.x = pv->x / norm;
1976 out.y = pv->y / norm;
1977 out.z = pv->z / norm;
1978 out.w = pv->w / norm;
1984 D3DXVECTOR4* WINAPI D3DXVec4Transform(D3DXVECTOR4 *pout, CONST D3DXVECTOR4 *pv, CONST D3DXMATRIX *pm)
1988 TRACE("(%p, %p, %p)\n", pout, pv, pm);
1990 out.x = pm->u.m[0][0] * pv->x + pm->u.m[1][0] * pv->y + pm->u.m[2][0] * pv->z + pm->u.m[3][0] * pv->w;
1991 out.y = pm->u.m[0][1] * pv->x + pm->u.m[1][1] * pv->y + pm->u.m[2][1] * pv->z + pm->u.m[3][1] * pv->w;
1992 out.z = pm->u.m[0][2] * pv->x + pm->u.m[1][2] * pv->y + pm->u.m[2][2] * pv->z + pm->u.m[3][2] * pv->w;
1993 out.w = pm->u.m[0][3] * pv->x + pm->u.m[1][3] * pv->y + pm->u.m[2][3] * pv->z + pm->u.m[3][3] * pv->w;
1998 D3DXVECTOR4* WINAPI D3DXVec4TransformArray(D3DXVECTOR4* out, UINT outstride, CONST D3DXVECTOR4* in, UINT instride, CONST D3DXMATRIX* matrix, UINT elements)
2002 TRACE("(%p, %u, %p, %u, %p, %u)\n", out, outstride, in, instride, matrix, elements);
2004 for (i = 0; i < elements; ++i) {
2006 (D3DXVECTOR4*)((char*)out + outstride * i),
2007 (CONST D3DXVECTOR4*)((const char*)in + instride * i),
2013 static inline unsigned short float_32_to_16(const float in)
2015 int exp = 0, origexp;
2016 float tmp = fabs(in);
2017 int sign = (copysignf(1, in) < 0);
2018 unsigned int mantissa;
2021 /* Deal with special numbers */
2022 if (isinf(in)) return (sign ? 0xffff : 0x7fff);
2023 if (isnan(in)) return (sign ? 0xffff : 0x7fff);
2024 if (in == 0.0f) return (sign ? 0x8000 : 0x0000);
2026 if (tmp < powf(2, 10))
2032 } while (tmp < powf(2, 10));
2034 else if (tmp >= powf(2, 11))
2040 } while (tmp >= powf(2, 11));
2043 exp += 10; /* Normalize the mantissa */
2044 exp += 15; /* Exponent is encoded with excess 15 */
2048 mantissa = (unsigned int) tmp;
2049 if ((tmp - mantissa == 0.5f && mantissa % 2 == 1) || /* round half to even */
2050 (tmp - mantissa > 0.5f))
2052 mantissa++; /* round to nearest, away from zero */
2054 if (mantissa == 2048)
2063 ret = 0x7fff; /* INF */
2067 unsigned int rounding = 0;
2069 /* Denormalized half float */
2071 /* return 0x0000 (=0.0) for numbers too small to represent in half floats */
2073 return (sign ? 0x8000 : 0x0000);
2077 /* the 13 extra bits from single precision are used for rounding */
2078 mantissa = (unsigned int)(tmp * powf(2, 13));
2079 mantissa >>= 1 - exp; /* denormalize */
2081 mantissa -= ~(mantissa >> 13) & 1; /* round half to even */
2082 /* remove 13 least significant bits to get half float precision */
2084 rounding = mantissa & 1;
2087 ret = mantissa + rounding;
2091 ret = (exp << 10) | (mantissa & 0x3ff);
2094 ret |= ((sign ? 1 : 0) << 15); /* Add the sign */
2098 D3DXFLOAT16 *WINAPI D3DXFloat32To16Array(D3DXFLOAT16 *pout, CONST FLOAT *pin, UINT n)
2102 TRACE("(%p, %p, %u)\n", pout, pin, n);
2104 for (i = 0; i < n; ++i)
2106 pout[i].value = float_32_to_16(pin[i]);
2112 /* Native d3dx9's D3DXFloat16to32Array lacks support for NaN and Inf. Specifically, e = 16 is treated as a
2113 * regular number - e.g., 0x7fff is converted to 131008.0 and 0xffff to -131008.0. */
2114 static inline float float_16_to_32(const unsigned short in)
2116 const unsigned short s = (in & 0x8000);
2117 const unsigned short e = (in & 0x7C00) >> 10;
2118 const unsigned short m = in & 0x3FF;
2119 const float sgn = (s ? -1.0f : 1.0f);
2123 if (m == 0) return sgn * 0.0f; /* +0.0 or -0.0 */
2124 else return sgn * powf(2, -14.0f) * (m / 1024.0f);
2128 return sgn * powf(2, e - 15.0f) * (1.0f + (m / 1024.0f));
2132 FLOAT *WINAPI D3DXFloat16To32Array(FLOAT *pout, CONST D3DXFLOAT16 *pin, UINT n)
2136 TRACE("(%p, %p, %u)\n", pout, pin, n);
2138 for (i = 0; i < n; ++i)
2140 pout[i] = float_16_to_32(pin[i].value);
2146 /*_________________D3DXSH________________*/
2148 FLOAT* WINAPI D3DXSHAdd(FLOAT *out, UINT order, const FLOAT *a, const FLOAT *b)
2152 TRACE("out %p, order %u, a %p, b %p\n", out, order, a, b);
2154 for (i = 0; i < order * order; i++)
2155 out[i] = a[i] + b[i];
2160 FLOAT WINAPI D3DXSHDot(UINT order, CONST FLOAT *a, CONST FLOAT *b)
2165 TRACE("order %u, a %p, b %p\n", order, a, b);
2168 for (i = 1; i < order * order; i++)
2174 FLOAT* WINAPI D3DXSHEvalDirection(FLOAT *out, UINT order, CONST D3DXVECTOR3 *dir)
2177 TRACE("(%p, %u, %p)\n", out, order, dir);
2179 if ( (order < D3DXSH_MINORDER) || (order > D3DXSH_MAXORDER) )
2182 out[0] = 0.5f / sqrt(D3DX_PI);
2183 out[1] = -0.5f / sqrt(D3DX_PI / 3.0f) * dir->y;
2184 out[2] = 0.5f / sqrt(D3DX_PI / 3.0f) * dir->z;
2185 out[3] = -0.5f / sqrt(D3DX_PI / 3.0f) * dir->x;
2189 out[4] = 0.5f / sqrt(D3DX_PI / 15.0f) * dir->x * dir->y;
2190 out[5] = -0.5f / sqrt(D3DX_PI / 15.0f) * dir->y * dir->z;
2191 out[6] = 0.25f / sqrt(D3DX_PI / 5.0f) * ( 3.0f * dir->z * dir->z - 1.0f );
2192 out[7] = -0.5f / sqrt(D3DX_PI / 15.0f) * dir->x * dir->z;
2193 out[8] = 0.25f / sqrt(D3DX_PI / 15.0f) * ( dir->x * dir->x - dir->y * dir->y );
2197 out[9] = -sqrt(70.0f / D3DX_PI) / 8.0f * dir->y * (3.0f * dir->x * dir->x - dir->y * dir->y );
2198 out[10] = sqrt(105.0f / D3DX_PI) / 2.0f * dir->x * dir->y * dir->z;
2199 out[11] = -sqrt(42.0 / D3DX_PI) / 8.0f * dir->y * ( -1.0f + 5.0f * dir->z * dir->z );
2200 out[12] = sqrt(7.0f / D3DX_PI) / 4.0f * dir->z * ( 5.0f * dir->z * dir->z - 3.0f );
2201 out[13] = sqrt(42.0 / D3DX_PI) / 8.0f * dir->x * ( 1.0f - 5.0f * dir->z * dir->z );
2202 out[14] = sqrt(105.0f / D3DX_PI) / 4.0f * dir->z * ( dir->x * dir->x - dir->y * dir->y );
2203 out[15] = -sqrt(70.0f / D3DX_PI) / 8.0f * dir->x * ( dir->x * dir->x - 3.0f * dir->y * dir->y );
2207 out[16] = 0.75f * sqrt(35.0f / D3DX_PI) * dir->x * dir->y * (dir->x * dir->x - dir->y * dir->y );
2208 out[17] = 3.0f * dir->z * out[9];
2209 out[18] = 0.75f * sqrt(5.0f / D3DX_PI) * dir->x * dir->y * ( 7.0f * dir->z * dir->z - 1.0f );
2210 out[19] = 0.375f * sqrt(10.0f / D3DX_PI) * dir->y * dir->z * ( 3.0f - 7.0f * dir->z * dir->z );
2211 out[20] = 3.0f / ( 16.0f * sqrt(D3DX_PI) ) * ( 35.0f * dir->z * dir->z * dir->z * dir->z - 30.f * dir->z * dir->z + 3.0f );
2212 out[21] = 0.375f * sqrt(10.0f / D3DX_PI) * dir->x * dir->z * ( 3.0f - 7.0f * dir->z * dir->z );
2213 out[22] = 0.375f * sqrt(5.0f / D3DX_PI) * ( dir->x * dir->x - dir->y * dir->y ) * ( 7.0f * dir->z * dir->z - 1.0f);
2214 out[23] = 3.0 * dir->z * out[15];
2215 out[24] = 3.0f / 16.0f * sqrt(35.0f / D3DX_PI) * ( dir->x * dir->x * dir->x * dir->x- 6.0f * dir->x * dir->x * dir->y * dir->y + dir->y * dir->y * dir->y * dir->y );
2219 out[25] = -3.0f/ 32.0f * sqrt(154.0f / D3DX_PI) * dir->y * ( 5.0f * dir->x * dir->x * dir->x * dir->x - 10.0f * dir->x * dir->x * dir->y * dir->y + dir->y * dir->y * dir->y * dir->y );
2220 out[26] = 0.75f * sqrt(385.0f / D3DX_PI) * dir->x * dir->y * dir->z * ( dir->x * dir->x - dir->y * dir->y );
2221 out[27] = sqrt(770.0f / D3DX_PI) / 32.0f * dir->y * ( 3.0f * dir->x * dir->x - dir->y * dir->y ) * ( 1.0f - 9.0f * dir->z * dir->z );
2222 out[28] = sqrt(1155.0f / D3DX_PI) / 4.0f * dir->x * dir->y * dir->z * ( 3.0f * dir->z * dir->z - 1.0f);
2223 out[29] = sqrt(165.0f / D3DX_PI) / 16.0f * dir->y * ( 14.0f * dir->z * dir->z - 21.0f * dir->z * dir->z * dir->z * dir->z - 1.0f );
2224 out[30] = sqrt(11.0f / D3DX_PI) / 16.0f * dir->z * ( 63.0f * dir->z * dir->z * dir->z * dir->z - 70.0f * dir->z * dir->z + 15.0f );
2225 out[31] = sqrt(165.0f / D3DX_PI) / 16.0f * dir->x * ( 14.0f * dir->z * dir->z - 21.0f * dir->z * dir->z * dir->z * dir->z - 1.0f );
2226 out[32] = sqrt(1155.0f / D3DX_PI) / 8.0f * dir->z * ( dir->x * dir->x - dir->y * dir->y ) * ( 3.0f * dir->z * dir->z - 1.0f );
2227 out[33] = sqrt(770.0f / D3DX_PI) / 32.0f * dir->x * ( dir->x * dir->x - 3.0f * dir->y * dir->y ) * ( 1.0f - 9.0f * dir->z * dir->z );
2228 out[34] = 3.0f / 16.0f * sqrt(385.0f / D3DX_PI) * dir->z * ( dir->x * dir->x * dir->x * dir->x - 6.0 * dir->x * dir->x * dir->y * dir->y + dir->y * dir->y * dir->y * dir->y );
2229 out[35] = -3.0f/ 32.0f * sqrt(154.0f / D3DX_PI) * dir->x * ( dir->x * dir->x * dir->x * dir->x - 10.0f * dir->x * dir->x * dir->y * dir->y + 5.0f * dir->y * dir->y * dir->y * dir->y );
2234 FLOAT* WINAPI D3DXSHMultiply2(FLOAT *out, CONST FLOAT *a, CONST FLOAT *b)
2238 TRACE("(%p, %p, %p)\n", out, a, b);
2240 ta = 0.28209479f * a[0];
2241 tb = 0.28209479f * b[0];
2243 out[0]= 0.28209479f * D3DXSHDot(2, a, b);
2244 out[1] = ta * b[1] + tb * a[1];
2245 out[2] = ta * b[2] + tb * a[2];
2246 out[3] = ta * b[3] + tb * a[3];
2251 FLOAT* WINAPI D3DXSHMultiply3(FLOAT *out, CONST FLOAT *a, CONST FLOAT *b)
2255 TRACE("(%p, %p, %p)\n", out, a, b);
2257 out[0]= 0.28209479f * a[0] * b[0];
2259 ta = 0.28209479f * a[0] - 0.12615662f * a[6] - 0.21850968f * a[8];
2260 tb = 0.28209479f * b[0] - 0.12615662f * b[6] - 0.21850968f * b[8];
2261 out[1] = ta * b[1] + tb * a[1];
2263 out[0] += 0.28209479f * t;
2264 out[6] = -0.12615662f * t;
2265 out[8] = -0.21850968f * t;
2267 ta = 0.21850968f * a[5];
2268 tb = 0.21850968f * b[5];
2269 out[1] += ta * b[2] + tb * a[2];
2270 out[2] = ta * b[1] + tb * a[1];
2271 t = a[1] * b[2] +a[2] * b[1];
2272 out[5] = 0.21850968f * t;
2274 ta = 0.21850968f * a[4];
2275 tb = 0.21850968f * b[4];
2276 out[1] += ta * b[3] + tb * a[3];
2277 out[3] = ta * b[1] + tb * a[1];
2278 t = a[1] * b[3] + a[3] * b[1];
2279 out[4] = 0.21850968f * t;
2281 ta = 0.28209480f * a[0] + 0.25231326f * a[6];
2282 tb = 0.28209480f * b[0] + 0.25231326f * b[6];
2283 out[2] += ta * b[2] + tb * a[2];
2285 out[0] += 0.28209480f * t;
2286 out[6] += 0.25231326f * t;
2288 ta = 0.21850969f * a[7];
2289 tb = 0.21850969f * b[7];
2290 out[2] += ta * b[3] + tb * a[3];
2291 out[3] += ta * b[2] + tb * a[2];
2292 t = a[2] * b[3] + a[3] * b[2];
2293 out[7] = 0.21850969f * t;
2295 ta = 0.28209479f * a[0] - 0.12615663f * a[6] + 0.21850969f * a[8];
2296 tb = 0.28209479f * b[0] - 0.12615663f * b[6] + 0.21850969f * b[8];
2297 out[3] += ta * b[3] + tb * a[3];
2299 out[0] += 0.28209479f * t;
2300 out[6] -= 0.12615663f * t;
2301 out[8] += 0.21850969f * t;
2303 ta = 0.28209479f * a[0] - 0.18022375f * a[6];
2304 tb = 0.28209479f * b[0] - 0.18022375f * b[6];
2305 out[4] += ta * b[4] + tb * a[4];
2307 out[0] += 0.28209479f * t;
2308 out[6] -= 0.18022375f * t;
2310 ta = 0.15607835f * a[7];
2311 tb = 0.15607835f * b[7];
2312 out[4] += ta * b[5] + tb * a[5];
2313 out[5] += ta * b[4] + tb * a[4];
2314 t = a[4] * b[5] + a[5] * b[4];
2315 out[7] += 0.15607834f * t;
2317 ta = 0.28209479f * a[0] + 0.09011186 * a[6] - 0.15607835f * a[8];
2318 tb = 0.28209479f * b[0] + 0.09011186 * b[6] - 0.15607835f * b[8];
2319 out[5] += ta * b[5] + tb * a[5];
2321 out[0] += 0.28209479f * t;
2322 out[6] += 0.09011186f * t;
2323 out[8] -= 0.15607835f * t;
2325 ta = 0.28209480f * a[0];
2326 tb = 0.28209480f * b[0];
2327 out[6] += ta * b[6] + tb * a[6];
2329 out[0] += 0.28209480f * t;
2330 out[6] += 0.18022376f * t;
2332 ta = 0.28209479f * a[0] + 0.09011186 * a[6] + 0.15607835f * a[8];
2333 tb = 0.28209479f * b[0] + 0.09011186 * b[6] + 0.15607835f * b[8];
2334 out[7] += ta * b[7] + tb * a[7];
2336 out[0] += 0.28209479f * t;
2337 out[6] += 0.09011186f * t;
2338 out[8] += 0.15607835f * t;
2340 ta = 0.28209479f * a[0] - 0.18022375f * a[6];
2341 tb = 0.28209479f * b[0] - 0.18022375f * b[6];
2342 out[8] += ta * b[8] + tb * a[8];
2344 out[0] += 0.28209479f * t;
2345 out[6] -= 0.18022375f * t;
2350 FLOAT* WINAPI D3DXSHRotateZ(FLOAT *out, UINT order, FLOAT angle, CONST FLOAT *in)
2352 FLOAT c1a, c2a, c3a, c4a, c5a, s1a, s2a, s3a, s4a, s5a;
2354 TRACE("%p, %u, %f, %p)\n", out, order, angle, in);
2357 c2a = cos( 2.0f * angle );
2358 c3a = cos( 3.0f * angle );
2359 c4a = cos( 4.0f * angle );
2360 c5a = cos( 5.0f * angle );
2362 s2a = sin( 2.0f * angle );
2363 s3a = sin( 3.0f * angle );
2364 s4a = sin( 4.0f * angle );
2365 s5a = sin( 5.0f * angle );
2368 out[1] = c1a * in[1] + s1a * in[3];
2370 out[3] = c1a * in[3] - s1a * in[1];
2371 if ( order <= D3DXSH_MINORDER )
2374 out[4] = c2a * in[4] + s2a * in[8];
2375 out[5] = c1a * in[5] + s1a * in[7];
2377 out[7] = c1a * in[7] - s1a * in[5];
2378 out[8] = c2a * in[8] - s2a * in[4];
2382 out[9] = c3a * in[9] + s3a * in[15];
2383 out[10] = c2a * in[10] + s2a * in[14];
2384 out[11] = c1a * in[11] + s1a * in[13];
2386 out[13] = c1a * in[13] - s1a * in[11];
2387 out[14] = c2a * in[14] - s2a * in[10];
2388 out[15] = c3a * in[15] - s3a * in[9];
2392 out[16] = c4a * in[16] + s4a * in[24];
2393 out[17] = c3a * in[17] + s3a * in[23];
2394 out[18] = c2a * in[18] + s2a * in[22];
2395 out[19] = c1a * in[19] + s1a * in[21];
2397 out[21] = c1a * in[21] - s1a * in[19];
2398 out[22] = c2a * in[22] - s2a * in[18];
2399 out[23] = c3a * in[23] - s3a * in[17];
2400 out[24] = c4a * in[24] - s4a * in[16];
2404 out[25] = c5a * in[25] + s5a * in[35];
2405 out[26] = c4a * in[26] + s4a * in[34];
2406 out[27] = c3a * in[27] + s3a * in[33];
2407 out[28] = c2a * in[28] + s2a * in[32];
2408 out[29] = c1a * in[29] + s1a * in[31];
2410 out[31] = c1a * in[31] - s1a * in[29];
2411 out[32] = c2a * in[32] - s2a * in[28];
2412 out[33] = c3a * in[33] - s3a * in[27];
2413 out[34] = c4a * in[34] - s4a * in[26];
2414 out[35] = c5a * in[35] - s5a * in[25];
2419 FLOAT* WINAPI D3DXSHScale(FLOAT *out, UINT order, CONST FLOAT *a, CONST FLOAT scale)
2423 TRACE("out %p, order %u, a %p, scale %f\n", out, order, a, scale);
2425 for (i = 0; i < order * order; i++)
2426 out[i] = a[i] * scale;