dlls/d3drm/tests/vector.c

   1 /*
   2  * Copyright 2007 Vijay Kiran Kamuju
   3  * Copyright 2007 David Adam
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include <math.h>
  21
  22 #include "d3drmdef.h"
  23
  24 #include "wine/test.h"
  25
  26 #define PI (4.0f*atanf(1.0f))
  27 #define admit_error 0.000001f
  28
  29 #define expect_mat( expectedmat, gotmat)\
  30 { \
  31     int i,j,equal=1; \
  32     for (i=0; i<4; i++)\
  33         {\
  34          for (j=0; j<4; j++)\
  35              {\
  36               if (fabs(expectedmat[i][j]-gotmat[i][j])>admit_error)\
  37                  {\
  38                   equal=0;\
  39                  }\
  40              }\
  41         }\
  42     ok(equal, "Expected matrix=\n(%f,%f,%f,%f\n %f,%f,%f,%f\n %f,%f,%f,%f\n %f,%f,%f,%f\n)\n\n" \
  43        "Got matrix=\n(%f,%f,%f,%f\n %f,%f,%f,%f\n %f,%f,%f,%f\n %f,%f,%f,%f)\n", \
  44        expectedmat[0][0],expectedmat[0][1],expectedmat[0][2],expectedmat[0][3], \
  45        expectedmat[1][0],expectedmat[1][1],expectedmat[1][2],expectedmat[1][3], \
  46        expectedmat[2][0],expectedmat[2][1],expectedmat[2][2],expectedmat[2][3], \
  47        expectedmat[3][0],expectedmat[3][1],expectedmat[3][2],expectedmat[3][3], \
  48        gotmat[0][0],gotmat[0][1],gotmat[0][2],gotmat[0][3], \
  49        gotmat[1][0],gotmat[1][1],gotmat[1][2],gotmat[1][3], \
  50        gotmat[2][0],gotmat[2][1],gotmat[2][2],gotmat[2][3], \
  51        gotmat[3][0],gotmat[3][1],gotmat[3][2],gotmat[3][3] ); \
  52 }
  53
  54 #define expect_quat(expectedquat,gotquat) \
  55   ok( (fabs(U1(expectedquat.v).x-U1(gotquat.v).x)<admit_error) &&     \
  56       (fabs(U2(expectedquat.v).y-U2(gotquat.v).y)<admit_error) &&     \
  57       (fabs(U3(expectedquat.v).z-U3(gotquat.v).z)<admit_error) &&     \
  58       (fabs(expectedquat.s-gotquat.s)<admit_error), \
  59   "Expected Quaternion %f %f %f %f , Got Quaternion %f %f %f %f\n", \
  60       expectedquat.s,U1(expectedquat.v).x,U2(expectedquat.v).y,U3(expectedquat.v).z, \
  61       gotquat.s,U1(gotquat.v).x,U2(gotquat.v).y,U3(gotquat.v).z);
  62
  63 #define expect_vec(expectedvec,gotvec) \
  64   ok( ((fabs(U1(expectedvec).x-U1(gotvec).x)<admit_error)&&(fabs(U2(expectedvec).y-U2(gotvec).y)<admit_error)&&(fabs(U3(expectedvec).z-U3(gotvec).z)<admit_error)), \
  65   "Expected Vector= (%f, %f, %f)\n , Got Vector= (%f, %f, %f)\n", \
  66   U1(expectedvec).x,U2(expectedvec).y,U3(expectedvec).z, U1(gotvec).x, U2(gotvec).y, U3(gotvec).z);
  67
  68 static HMODULE d3drm_handle = 0;
  69
  70 static void (WINAPI * pD3DRMMatrixFromQuaternion)(D3DRMMATRIX4D, D3DRMQUATERNION *);
  71 static D3DVECTOR *(WINAPI *pD3DRMVectorAdd)(D3DVECTOR *, D3DVECTOR *, D3DVECTOR *);
  72 static D3DVECTOR *(WINAPI *pD3DRMVectorCrossProduct)(D3DVECTOR *, D3DVECTOR *, D3DVECTOR *);
  73 static D3DVALUE (WINAPI *pD3DRMVectorDotProduct)(D3DVECTOR *, D3DVECTOR *);
  74 static D3DVALUE (WINAPI *pD3DRMVectorModulus)(D3DVECTOR *);
  75 static D3DVECTOR *(WINAPI *pD3DRMVectorNormalize)(D3DVECTOR *);
  76 static D3DVECTOR *(WINAPI *pD3DRMVectorReflect)(D3DVECTOR *, D3DVECTOR *, D3DVECTOR *);
  77 static D3DVECTOR *(WINAPI *pD3DRMVectorRotate)(D3DVECTOR *, D3DVECTOR *, D3DVECTOR *, D3DVALUE);
  78 static D3DVECTOR *(WINAPI *pD3DRMVectorScale)(D3DVECTOR *, D3DVECTOR *, D3DVALUE);
  79 static D3DVECTOR *(WINAPI *pD3DRMVectorSubtract)(D3DVECTOR *, D3DVECTOR *, D3DVECTOR *);
  80 static D3DRMQUATERNION *(WINAPI *pD3DRMQuaternionFromRotation)(D3DRMQUATERNION*, D3DVECTOR *, D3DVALUE);
  81 static D3DRMQUATERNION *(WINAPI * pD3DRMQuaternionSlerp)(D3DRMQUATERNION *,
  82         D3DRMQUATERNION *, D3DRMQUATERNION *, D3DVALUE);
  83 static D3DCOLOR (WINAPI * pD3DRMCreateColorRGB)(D3DVALUE, D3DVALUE, D3DVALUE);
  84 static D3DCOLOR (WINAPI * pD3DRMCreateColorRGBA)(D3DVALUE, D3DVALUE, D3DVALUE, D3DVALUE);
  85 static D3DVALUE (WINAPI * pD3DRMColorGetAlpha)(D3DCOLOR);
  86 static D3DVALUE (WINAPI * pD3DRMColorGetBlue)(D3DCOLOR);
  87 static D3DVALUE (WINAPI * pD3DRMColorGetGreen)(D3DCOLOR);
  88 static D3DVALUE (WINAPI * pD3DRMColorGetRed)(D3DCOLOR);
  89
  90 #define D3DRM_GET_PROC(func) \
  91     p ## func = (void*)GetProcAddress(d3drm_handle, #func); \
  92     if(!p ## func) { \
  93       trace("GetProcAddress(%s) failed\n", #func); \
  94       FreeLibrary(d3drm_handle); \
  95       return FALSE; \
  96     }
  97
  98 static BOOL InitFunctionPtrs(void)
  99 {
 100     d3drm_handle = LoadLibraryA("d3drm.dll");
 101
 102     if(!d3drm_handle)
 103     {
 104         skip("Could not load d3drm.dll\n");
 105         return FALSE;
 106     }
 107
 108     D3DRM_GET_PROC(D3DRMMatrixFromQuaternion)
 109     D3DRM_GET_PROC(D3DRMVectorAdd)
 110     D3DRM_GET_PROC(D3DRMVectorCrossProduct)
 111     D3DRM_GET_PROC(D3DRMVectorDotProduct)
 112     D3DRM_GET_PROC(D3DRMVectorModulus)
 113     D3DRM_GET_PROC(D3DRMVectorNormalize)
 114     D3DRM_GET_PROC(D3DRMVectorReflect)
 115     D3DRM_GET_PROC(D3DRMVectorRotate)
 116     D3DRM_GET_PROC(D3DRMVectorScale)
 117     D3DRM_GET_PROC(D3DRMVectorSubtract)
 118     D3DRM_GET_PROC(D3DRMQuaternionFromRotation)
 119     D3DRM_GET_PROC(D3DRMQuaternionSlerp)
 120     D3DRM_GET_PROC(D3DRMCreateColorRGB)
 121     D3DRM_GET_PROC(D3DRMCreateColorRGBA)
 122     D3DRM_GET_PROC(D3DRMColorGetAlpha)
 123     D3DRM_GET_PROC(D3DRMColorGetBlue)
 124     D3DRM_GET_PROC(D3DRMColorGetGreen)
 125     D3DRM_GET_PROC(D3DRMColorGetRed)
 126
 127     return TRUE;
 128 }
 129
 130
 131 static void VectorTest(void)
 132 {
 133     D3DVALUE mod,par,theta;
 134     D3DVECTOR e,r,u,v,w,axis,casnul,norm,ray,self;
 135
 136     U1(u).x=2.0f; U2(u).y=2.0f; U3(u).z=1.0f;
 137     U1(v).x=4.0f; U2(v).y=4.0f; U3(v).z=0.0f;
 138
 139
 140 /*______________________VectorAdd_________________________________*/
 141     pD3DRMVectorAdd(&r,&u,&v);
 142     U1(e).x=6.0f; U2(e).y=6.0f; U3(e).z=1.0f;
 143     expect_vec(e,r);
 144
 145     U1(self).x=9.0f; U2(self).y=18.0f; U3(self).z=27.0f;
 146     pD3DRMVectorAdd(&self,&self,&u);
 147     U1(e).x=11.0f; U2(e).y=20.0f; U3(e).z=28.0f;
 148     expect_vec(e,self);
 149
 150 /*_______________________VectorSubtract__________________________*/
 151     pD3DRMVectorSubtract(&r,&u,&v);
 152     U1(e).x=-2.0f; U2(e).y=-2.0f; U3(e).z=1.0f;
 153     expect_vec(e,r);
 154
 155     U1(self).x=9.0f; U2(self).y=18.0f; U3(self).z=27.0f;
 156     pD3DRMVectorSubtract(&self,&self,&u);
 157     U1(e).x=7.0f; U2(e).y=16.0f; U3(e).z=26.0f;
 158     expect_vec(e,self);
 159
 160 /*_______________________VectorCrossProduct_______________________*/
 161     pD3DRMVectorCrossProduct(&r,&u,&v);
 162     U1(e).x=-4.0f; U2(e).y=4.0f; U3(e).z=0.0f;
 163     expect_vec(e,r);
 164
 165     U1(self).x=9.0f; U2(self).y=18.0f; U3(self).z=27.0f;
 166     pD3DRMVectorCrossProduct(&self,&self,&u);
 167     U1(e).x=-36.0f; U2(e).y=45.0f; U3(e).z=-18.0f;
 168     expect_vec(e,self);
 169
 170 /*_______________________VectorDotProduct__________________________*/
 171     mod=pD3DRMVectorDotProduct(&u,&v);
 172     ok((mod == 16.0f), "Expected 16.0f, Got %f\n", mod);
 173
 174 /*_______________________VectorModulus_____________________________*/
 175     mod=pD3DRMVectorModulus(&u);
 176     ok((mod == 3.0f), "Expected 3.0f, Got %f\n", mod);
 177
 178 /*_______________________VectorNormalize___________________________*/
 179     pD3DRMVectorNormalize(&u);
 180     U1(e).x=2.0f/3.0f; U2(e).y=2.0f/3.0f; U3(e).z=1.0f/3.0f;
 181     expect_vec(e,u);
 182
 183 /* If u is the NULL vector, MSDN says that the return vector is NULL. In fact, the returned vector is (1,0,0). The following test case prove it. */
 184
 185     U1(casnul).x=0.0f; U2(casnul).y=0.0f; U3(casnul).z=0.0f;
 186     pD3DRMVectorNormalize(&casnul);
 187     U1(e).x=1.0f; U2(e).y=0.0f; U3(e).z=0.0f;
 188     expect_vec(e,casnul);
 189
 190 /*____________________VectorReflect_________________________________*/
 191     U1(ray).x=3.0f; U2(ray).y=-4.0f; U3(ray).z=5.0f;
 192     U1(norm).x=1.0f; U2(norm).y=-2.0f; U3(norm).z=6.0f;
 193     U1(e).x=79.0f; U2(e).y=-160.0f; U3(e).z=487.0f;
 194     pD3DRMVectorReflect(&r,&ray,&norm);
 195     expect_vec(e,r);
 196
 197 /*_______________________VectorRotate_______________________________*/
 198     U1(w).x=3.0f; U2(w).y=4.0f; U3(w).z=0.0f;
 199     U1(axis).x=0.0f; U2(axis).y=0.0f; U3(axis).z=1.0f;
 200     theta=2.0f*PI/3.0f;
 201     pD3DRMVectorRotate(&r,&w,&axis,theta);
 202     U1(e).x=-0.3f-0.4f*sqrtf(3.0f); U2(e).y=0.3f*sqrtf(3.0f)-0.4f; U3(e).z=0.0f;
 203     expect_vec(e,r);
 204
 205 /* The same formula gives D3DRMVectorRotate, for theta in [-PI/2;+PI/2] or not. The following test proves this fact.*/
 206     theta=-PI/4.0f;
 207     pD3DRMVectorRotate(&r,&w,&axis,theta);
 208     U1(e).x=1.4f/sqrtf(2.0f); U2(e).y=0.2f/sqrtf(2.0f); U3(e).z=0.0f;
 209     expect_vec(e,r);
 210
 211     theta=PI/8.0f;
 212     pD3DRMVectorRotate(&self,&self,&axis,theta);
 213     U1(e).x=0.989950; U2(e).y=0.141421f; U3(e).z=0.0f;
 214     expect_vec(e,r);
 215
 216 /*_______________________VectorScale__________________________*/
 217     par=2.5f;
 218     pD3DRMVectorScale(&r,&v,par);
 219     U1(e).x=10.0f; U2(e).y=10.0f; U3(e).z=0.0f;
 220     expect_vec(e,r);
 221
 222     U1(self).x=9.0f; U2(self).y=18.0f; U3(self).z=27.0f;
 223     pD3DRMVectorScale(&self,&self,2);
 224     U1(e).x=18.0f; U2(e).y=36.0f; U3(e).z=54.0f;
 225     expect_vec(e,self);
 226 }
 227
 228 static void MatrixTest(void)
 229 {
 230     D3DRMQUATERNION q;
 231     D3DRMMATRIX4D exp,mat;
 232
 233     exp[0][0]=-49.0f; exp[0][1]=4.0f;   exp[0][2]=22.0f;  exp[0][3]=0.0f;
 234     exp[1][0]=20.0f;  exp[1][1]=-39.0f; exp[1][2]=20.0f;  exp[1][3]=0.0f;
 235     exp[2][0]=10.0f;  exp[2][1]=28.0f;  exp[2][2]=-25.0f; exp[2][3]=0.0f;
 236     exp[3][0]=0.0f;   exp[3][1]=0.0f;   exp[3][2]=0.0f;   exp[3][3]=1.0f;
 237     q.s=1.0f; U1(q.v).x=2.0f; U2(q.v).y=3.0f; U3(q.v).z=4.0f;
 238
 239    pD3DRMMatrixFromQuaternion(mat,&q);
 240    expect_mat(exp,mat);
 241 }
 242
 243 static void QuaternionTest(void)
 244 {
 245     D3DVECTOR axis;
 246     D3DVALUE par,theta;
 247     D3DRMQUATERNION q,q1,q1final,q2,q2final,r;
 248
 249 /*_________________QuaternionFromRotation___________________*/
 250     U1(axis).x=1.0f; U2(axis).y=1.0f; U3(axis).z=1.0f;
 251     theta=2.0f*PI/3.0f;
 252     pD3DRMQuaternionFromRotation(&r,&axis,theta);
 253     q.s=0.5f; U1(q.v).x=0.5f; U2(q.v).y=0.5f; U3(q.v).z=0.5f;
 254     expect_quat(q,r);
 255
 256 /*_________________QuaternionSlerp_________________________*/
 257 /* If the angle of the two quaternions is in ]PI/2;3PI/2[, QuaternionSlerp
 258  * interpolates between the first quaternion and the opposite of the second one.
 259  * The test proves this fact. */
 260     par=0.31f;
 261     q1.s=1.0f; U1(q1.v).x=2.0f; U2(q1.v).y=3.0f; U3(q1.v).z=50.0f;
 262     q2.s=-4.0f; U1(q2.v).x=6.0f; U2(q2.v).y=7.0f; U3(q2.v).z=8.0f;
 263 /* The angle between q1 and q2 is in [-PI/2,PI/2]. So, one interpolates between q1 and q2. */
 264     q.s = -0.55f; U1(q.v).x=3.24f; U2(q.v).y=4.24f; U3(q.v).z=36.98f;
 265     pD3DRMQuaternionSlerp(&r,&q1,&q2,par);
 266     expect_quat(q,r);
 267
 268     q1.s=1.0f; U1(q1.v).x=2.0f; U2(q1.v).y=3.0f; U3(q1.v).z=50.0f;
 269     q2.s=-94.0f; U1(q2.v).x=6.0f; U2(q2.v).y=7.0f; U3(q2.v).z=-8.0f;
 270 /* The angle between q1 and q2 is not in [-PI/2,PI/2]. So, one interpolates between q1 and -q2. */
 271     q.s=29.83f; U1(q.v).x=-0.48f; U2(q.v).y=-0.10f; U3(q.v).z=36.98f;
 272     pD3DRMQuaternionSlerp(&r,&q1,&q2,par);
 273     expect_quat(q,r);
 274
 275 /* Test the spherical interpolation part */
 276     q1.s=0.1f; U1(q1.v).x=0.2f; U2(q1.v).y=0.3f; U3(q1.v).z=0.4f;
 277     q2.s=0.5f; U1(q2.v).x=0.6f; U2(q2.v).y=0.7f; U3(q2.v).z=0.8f;
 278     q.s = 0.243943f; U1(q.v).x = 0.351172f; U2(q.v).y = 0.458401f; U3(q.v).z = 0.565629f;
 279
 280     q1final=q1;
 281     q2final=q2;
 282     pD3DRMQuaternionSlerp(&r,&q1,&q2,par);
 283     expect_quat(q,r);
 284
 285 /* Test to show that the input quaternions are not changed */
 286     expect_quat(q1,q1final);
 287     expect_quat(q2,q2final);
 288 }
 289
 290 static void ColorTest(void)
 291 {
 292     D3DCOLOR color, expected_color, got_color;
 293     D3DVALUE expected, got, red, green, blue, alpha;
 294
 295 /*___________D3DRMCreateColorRGB_________________________*/
 296     red=0.8f;
 297     green=0.3f;
 298     blue=0.55f;
 299     expected_color=0xffcc4c8c;
 300     got_color=pD3DRMCreateColorRGB(red,green,blue);
 301     ok((expected_color==got_color),"Expected color=%x, Got color=%x\n",expected_color,got_color);
 302
 303 /*___________D3DRMCreateColorRGBA________________________*/
 304     red=0.1f;
 305     green=0.4f;
 306     blue=0.7f;
 307     alpha=0.58f;
 308     expected_color=0x931966b2;
 309     got_color=pD3DRMCreateColorRGBA(red,green,blue,alpha);
 310     ok((expected_color==got_color),"Expected color=%x, Got color=%x\n",expected_color,got_color);
 311
 312 /* if a component is <0 then, then one considers this component as 0. The following test proves this fact (test only with the red component). */
 313     red=-0.88f;
 314     green=0.4f;
 315     blue=0.6f;
 316     alpha=0.41f;
 317     expected_color=0x68006699;
 318     got_color=pD3DRMCreateColorRGBA(red,green,blue,alpha);
 319     ok((expected_color==got_color),"Expected color=%x, Got color=%x\n",expected_color,got_color);
 320
 321 /* if a component is >1 then, then one considers this component as 1. The following test proves this fact (test only with the red component). */
 322     red=2.37f;
 323     green=0.4f;
 324     blue=0.6f;
 325     alpha=0.41f;
 326     expected_color=0x68ff6699;
 327     got_color=pD3DRMCreateColorRGBA(red,green,blue,alpha);
 328     ok((expected_color==got_color),"Expected color=%x, Got color=%x\n",expected_color,got_color);
 329
 330 /*___________D3DRMColorGetAlpha_________________________*/
 331     color=0x0e4921bf;
 332     expected=14.0f/255.0f;
 333     got=pD3DRMColorGetAlpha(color);
 334     ok((fabs(expected-got)<admit_error),"Expected=%f, Got=%f\n",expected,got);
 335
 336 /*___________D3DRMColorGetBlue__________________________*/
 337     color=0xc82a1455;
 338     expected=1.0f/3.0f;
 339     got=pD3DRMColorGetBlue(color);
 340     ok((fabs(expected-got)<admit_error),"Expected=%f, Got=%f\n",expected,got);
 341
 342 /*___________D3DRMColorGetGreen_________________________*/
 343     color=0xad971203;
 344     expected=6.0f/85.0f;
 345     got=pD3DRMColorGetGreen(color);
 346     ok((fabs(expected-got)<admit_error),"Expected=%f, Got=%f\n",expected,got);
 347
 348 /*___________D3DRMColorGetRed__________________________*/
 349     color=0xb62d7a1c;
 350     expected=3.0f/17.0f;
 351     got=pD3DRMColorGetRed(color);
 352     ok((fabs(expected-got)<admit_error),"Expected=%f, Got=%f\n",expected,got);
 353 }
 354
 355 START_TEST(vector)
 356 {
 357     if(!InitFunctionPtrs())
 358         return;
 359
 360     VectorTest();
 361     MatrixTest();
 362     QuaternionTest();
 363     ColorTest();
 364
 365     FreeLibrary(d3drm_handle);
 366 }