2 * Copyright 2007 Vijay Kiran Kamuju
3 * Copyright 2007 David Adam
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.
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.
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
24 #include "wine/test.h"
26 #define PI (4*atan(1.0))
27 #define admit_error 0.000001
29 #define expect_mat( expectedmat, gotmat)\
36 if (fabs(expectedmat[i][j]-gotmat[i][j])>admit_error)\
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] ); \
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);
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);
68 static HMODULE d3drm_handle = 0;
70 static void (WINAPI * pD3DRMMatrixFromQuaternion)(D3DRMMATRIX4D, LPD3DRMQUATERNION);
71 static LPD3DVECTOR (WINAPI* pD3DRMVectorAdd)(LPD3DVECTOR, LPD3DVECTOR, LPD3DVECTOR);
72 static LPD3DVECTOR (WINAPI* pD3DRMVectorCrossProduct)(LPD3DVECTOR, LPD3DVECTOR, LPD3DVECTOR);
73 static D3DVALUE (WINAPI* pD3DRMVectorDotProduct)(LPD3DVECTOR, LPD3DVECTOR);
74 static D3DVALUE (WINAPI* pD3DRMVectorModulus)(LPD3DVECTOR);
75 static LPD3DVECTOR (WINAPI * pD3DRMVectorNormalize)(LPD3DVECTOR);
76 static LPD3DVECTOR (WINAPI * pD3DRMVectorReflect)(LPD3DVECTOR, LPD3DVECTOR, LPD3DVECTOR);
77 static LPD3DVECTOR (WINAPI * pD3DRMVectorRotate)(LPD3DVECTOR, LPD3DVECTOR, LPD3DVECTOR, D3DVALUE);
78 static LPD3DVECTOR (WINAPI * pD3DRMVectorScale)(LPD3DVECTOR, LPD3DVECTOR, D3DVALUE);
79 static LPD3DVECTOR (WINAPI * pD3DRMVectorSubtract)(LPD3DVECTOR, LPD3DVECTOR, LPD3DVECTOR);
80 static LPD3DRMQUATERNION (WINAPI * pD3DRMQuaternionFromRotation)(LPD3DRMQUATERNION, LPD3DVECTOR, D3DVALUE);
81 static LPD3DRMQUATERNION (WINAPI * pD3DRMQuaternionSlerp)(LPD3DRMQUATERNION, LPD3DRMQUATERNION, LPD3DRMQUATERNION, D3DVALUE);
83 #define D3DRM_GET_PROC(func) \
84 p ## func = (void*)GetProcAddress(d3drm_handle, #func); \
86 trace("GetProcAddress(%s) failed\n", #func); \
87 FreeLibrary(d3drm_handle); \
91 static BOOL InitFunctionPtrs(void)
93 d3drm_handle = LoadLibraryA("d3drm.dll");
97 skip("Could not load d3drm.dll\n");
101 D3DRM_GET_PROC(D3DRMMatrixFromQuaternion)
102 D3DRM_GET_PROC(D3DRMVectorAdd)
103 D3DRM_GET_PROC(D3DRMVectorCrossProduct)
104 D3DRM_GET_PROC(D3DRMVectorDotProduct)
105 D3DRM_GET_PROC(D3DRMVectorModulus)
106 D3DRM_GET_PROC(D3DRMVectorNormalize)
107 D3DRM_GET_PROC(D3DRMVectorReflect)
108 D3DRM_GET_PROC(D3DRMVectorRotate)
109 D3DRM_GET_PROC(D3DRMVectorScale)
110 D3DRM_GET_PROC(D3DRMVectorSubtract)
111 D3DRM_GET_PROC(D3DRMQuaternionFromRotation)
112 D3DRM_GET_PROC(D3DRMQuaternionSlerp)
118 static void VectorTest(void)
120 D3DVALUE mod,par,theta;
121 D3DVECTOR e,r,u,v,w,axis,casnul,norm,ray;
123 U1(u).x=2.0;U2(u).y=2.0;U3(u).z=1.0;
124 U1(v).x=4.0;U2(v).y=4.0;U3(v).z=0.0;
126 /*______________________VectorAdd_________________________________*/
127 pD3DRMVectorAdd(&r,&u,&v);
128 U1(e).x=6.0;U2(e).y=6.0;U3(e).z=1.0;
131 /*_______________________VectorSubtract__________________________*/
132 pD3DRMVectorSubtract(&r,&u,&v);
133 U1(e).x=-2.0;U2(e).y=-2.0;U3(e).z=1.0;
136 /*_______________________VectorCrossProduct_______________________*/
137 pD3DRMVectorCrossProduct(&r,&u,&v);
138 U1(e).x=-4.0;U2(e).y=4.0;U3(e).z=0.0;
141 /*_______________________VectorDotProduct__________________________*/
142 mod=pD3DRMVectorDotProduct(&u,&v);
143 ok((mod == 16.0), "Expected 16.0, Got %f\n",mod);
145 /*_______________________VectorModulus_____________________________*/
146 mod=pD3DRMVectorModulus(&u);
147 ok((mod == 3.0), "Expected 3.0, Got %f\n",mod);
149 /*_______________________VectorNormalize___________________________*/
150 pD3DRMVectorNormalize(&u);
151 U1(e).x=2.0/3.0;U2(e).y=2.0/3.0;U3(e).z=1.0/3.0;
154 /* 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. */
156 U1(casnul).x=0.0; U2(casnul).y=0.0; U3(casnul).z=0.0;
157 pD3DRMVectorNormalize(&casnul);
158 U1(e).x=1.0; U2(e).y=0.0; U3(e).z=0.0;
159 expect_vec(e,casnul);
161 /*____________________VectorReflect_________________________________*/
162 U1(ray).x=3.0; U2(ray).y=-4.0; U3(ray).z=5.0;
163 U1(norm).x=1.0; U2(norm).y=-2.0; U3(norm).z=6.0;
164 U1(e).x=79.0; U2(e).y=-160.0; U3(e).z=487.0;
165 pD3DRMVectorReflect(&r,&ray,&norm);
168 /*_______________________VectorRotate_______________________________*/
169 U1(w).x=3.0; U2(w).y=4.0; U3(w).z=0.0;
170 U1(axis).x=0.0; U2(axis).y=0.0; U3(axis).z=1.0;
172 pD3DRMVectorRotate(&r,&w,&axis,theta);
173 U1(e).x=-0.3-0.4*sqrt(3.0); U2(e).y=0.3*sqrt(3.0)-0.4; U3(e).z=0.0;
176 /* The same formula gives D3DRMVectorRotate, for theta in [-PI/2;+PI/2] or not. The following test proves this fact.*/
178 pD3DRMVectorRotate(&r,&w,&axis,-PI/4);
179 U1(e).x=1.4/sqrt(2.0); U2(e).y=0.2/sqrt(2.0); U3(e).z=0.0;
182 /*_______________________VectorScale__________________________*/
184 pD3DRMVectorScale(&r,&v,par);
185 U1(e).x=10.0; U2(e).y=10.0; U3(e).z=0.0;
189 static void MatrixTest(void)
192 D3DRMMATRIX4D exp,mat;
194 exp[0][0]=-49.0; exp[0][1]=4.0; exp[0][2]=22.0; exp[0][3]=0.0;
195 exp[1][0]=20.0; exp[1][1]=-39.0; exp[1][2]=20.0; exp[1][3]=0.0;
196 exp[2][0]=10.0; exp[2][1]=28.0; exp[2][2]=-25.0; exp[2][3]=0.0;
197 exp[3][0]=0.0; exp[3][1]=0.0; exp[3][2]=0.0; exp[3][3]=1.0;
198 q.s=1.0; U1(q.v).x=2.0; U2(q.v).y=3.0; U3(q.v).z=4.0;
200 pD3DRMMatrixFromQuaternion(mat,&q);
204 static void QuaternionTest(void)
207 D3DVALUE g,h,epsilon,par,theta;
208 D3DRMQUATERNION q,q1,q2,r;
210 /*_________________QuaternionFromRotation___________________*/
211 U1(axis).x=1.0; U2(axis).y=1.0; U3(axis).z=1.0;
213 pD3DRMQuaternionFromRotation(&r,&axis,theta);
214 q.s=0.5; U1(q.v).x=0.5; U2(q.v).y=0.5; U3(q.v).z=0.5;
217 /*_________________QuaternionSlerp_________________________*/
218 /* Interpolation slerp is in fact a linear interpolation, not a spherical linear
219 * interpolation. Moreover, if the angle of the two quaternions is in ]PI/2;3PI/2[, QuaternionSlerp
220 * interpolates between the first quaternion and the opposite of the second one. The test proves
221 * these two facts. */
223 q1.s=1.0; U1(q1.v).x=2.0; U2(q1.v).y=3.0; U3(q1.v).z=50.0;
224 q2.s=-4.0; U1(q2.v).x=6.0; U2(q2.v).y=7.0; U3(q2.v).z=8.0;
225 /* The angle between q1 and q2 is in [-PI/2,PI/2]. So, one interpolates between q1 and q2. */
227 g=1.0-par; h=epsilon*par;
228 /* Part of the test proving that the interpolation is linear. */
230 U1(q.v).x=g*U1(q1.v).x+h*U1(q2.v).x;
231 U2(q.v).y=g*U2(q1.v).y+h*U2(q2.v).y;
232 U3(q.v).z=g*U3(q1.v).z+h*U3(q2.v).z;
233 pD3DRMQuaternionSlerp(&r,&q1,&q2,par);
236 q1.s=1.0; U1(q1.v).x=2.0; U2(q1.v).y=3.0; U3(q1.v).z=50.0;
237 q2.s=-94.0; U1(q2.v).x=6.0; U2(q2.v).y=7.0; U3(q2.v).z=-8.0;
238 /* The angle between q1 and q2 is not in [-PI/2,PI/2]. So, one interpolates between q1 and -q2. */
240 g=1.0-par; h=epsilon*par;
242 U1(q.v).x=g*U1(q1.v).x+h*U1(q2.v).x;
243 U2(q.v).y=g*U2(q1.v).y+h*U2(q2.v).y;
244 U3(q.v).z=g*U3(q1.v).z+h*U3(q2.v).z;
245 pD3DRMQuaternionSlerp(&r,&q1,&q2,par);
251 if(!InitFunctionPtrs())
258 FreeLibrary(d3drm_handle);