| /* |
| * Copyright 2007 Vijay Kiran Kamuju |
| * Copyright 2007 David Adam |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include <math.h> |
| |
| #include "d3drmdef.h" |
| |
| #include "wine/test.h" |
| |
| #define PI (4.0f*atanf(1.0f)) |
| #define admit_error 0.000001f |
| |
| #define expect_mat( expectedmat, gotmat)\ |
| { \ |
| int i,j; \ |
| BOOL equal = TRUE; \ |
| for (i=0; i<4; i++)\ |
| {\ |
| for (j=0; j<4; j++)\ |
| {\ |
| if (fabs(expectedmat[i][j]-gotmat[i][j])>admit_error)\ |
| {\ |
| equal = FALSE;\ |
| }\ |
| }\ |
| }\ |
| 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" \ |
| "Got matrix=\n(%f,%f,%f,%f\n %f,%f,%f,%f\n %f,%f,%f,%f\n %f,%f,%f,%f)\n", \ |
| expectedmat[0][0],expectedmat[0][1],expectedmat[0][2],expectedmat[0][3], \ |
| expectedmat[1][0],expectedmat[1][1],expectedmat[1][2],expectedmat[1][3], \ |
| expectedmat[2][0],expectedmat[2][1],expectedmat[2][2],expectedmat[2][3], \ |
| expectedmat[3][0],expectedmat[3][1],expectedmat[3][2],expectedmat[3][3], \ |
| gotmat[0][0],gotmat[0][1],gotmat[0][2],gotmat[0][3], \ |
| gotmat[1][0],gotmat[1][1],gotmat[1][2],gotmat[1][3], \ |
| gotmat[2][0],gotmat[2][1],gotmat[2][2],gotmat[2][3], \ |
| gotmat[3][0],gotmat[3][1],gotmat[3][2],gotmat[3][3] ); \ |
| } |
| |
| #define expect_quat(expectedquat,gotquat) \ |
| ok( (fabs(U1(expectedquat.v).x-U1(gotquat.v).x)<admit_error) && \ |
| (fabs(U2(expectedquat.v).y-U2(gotquat.v).y)<admit_error) && \ |
| (fabs(U3(expectedquat.v).z-U3(gotquat.v).z)<admit_error) && \ |
| (fabs(expectedquat.s-gotquat.s)<admit_error), \ |
| "Expected Quaternion %f %f %f %f , Got Quaternion %f %f %f %f\n", \ |
| expectedquat.s,U1(expectedquat.v).x,U2(expectedquat.v).y,U3(expectedquat.v).z, \ |
| gotquat.s,U1(gotquat.v).x,U2(gotquat.v).y,U3(gotquat.v).z); |
| |
| #define expect_vec(expectedvec,gotvec) \ |
| 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)), \ |
| "Expected Vector= (%f, %f, %f)\n , Got Vector= (%f, %f, %f)\n", \ |
| U1(expectedvec).x,U2(expectedvec).y,U3(expectedvec).z, U1(gotvec).x, U2(gotvec).y, U3(gotvec).z); |
| |
| static void VectorTest(void) |
| { |
| D3DVALUE mod,par,theta; |
| D3DVECTOR e,r,u,v,w,axis,casnul,norm,ray,self; |
| |
| U1(u).x=2.0f; U2(u).y=2.0f; U3(u).z=1.0f; |
| U1(v).x=4.0f; U2(v).y=4.0f; U3(v).z=0.0f; |
| |
| |
| /*______________________VectorAdd_________________________________*/ |
| D3DRMVectorAdd(&r,&u,&v); |
| U1(e).x=6.0f; U2(e).y=6.0f; U3(e).z=1.0f; |
| expect_vec(e,r); |
| |
| U1(self).x=9.0f; U2(self).y=18.0f; U3(self).z=27.0f; |
| D3DRMVectorAdd(&self,&self,&u); |
| U1(e).x=11.0f; U2(e).y=20.0f; U3(e).z=28.0f; |
| expect_vec(e,self); |
| |
| /*_______________________VectorSubtract__________________________*/ |
| D3DRMVectorSubtract(&r,&u,&v); |
| U1(e).x=-2.0f; U2(e).y=-2.0f; U3(e).z=1.0f; |
| expect_vec(e,r); |
| |
| U1(self).x=9.0f; U2(self).y=18.0f; U3(self).z=27.0f; |
| D3DRMVectorSubtract(&self,&self,&u); |
| U1(e).x=7.0f; U2(e).y=16.0f; U3(e).z=26.0f; |
| expect_vec(e,self); |
| |
| /*_______________________VectorCrossProduct_______________________*/ |
| D3DRMVectorCrossProduct(&r,&u,&v); |
| U1(e).x=-4.0f; U2(e).y=4.0f; U3(e).z=0.0f; |
| expect_vec(e,r); |
| |
| U1(self).x=9.0f; U2(self).y=18.0f; U3(self).z=27.0f; |
| D3DRMVectorCrossProduct(&self,&self,&u); |
| U1(e).x=-36.0f; U2(e).y=45.0f; U3(e).z=-18.0f; |
| expect_vec(e,self); |
| |
| /*_______________________VectorDotProduct__________________________*/ |
| mod=D3DRMVectorDotProduct(&u,&v); |
| ok((mod == 16.0f), "Expected 16.0f, Got %f\n", mod); |
| |
| /*_______________________VectorModulus_____________________________*/ |
| mod=D3DRMVectorModulus(&u); |
| ok((mod == 3.0f), "Expected 3.0f, Got %f\n", mod); |
| |
| /*_______________________VectorNormalize___________________________*/ |
| D3DRMVectorNormalize(&u); |
| U1(e).x=2.0f/3.0f; U2(e).y=2.0f/3.0f; U3(e).z=1.0f/3.0f; |
| expect_vec(e,u); |
| |
| /* 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. */ |
| |
| U1(casnul).x=0.0f; U2(casnul).y=0.0f; U3(casnul).z=0.0f; |
| D3DRMVectorNormalize(&casnul); |
| U1(e).x=1.0f; U2(e).y=0.0f; U3(e).z=0.0f; |
| expect_vec(e,casnul); |
| |
| /*____________________VectorReflect_________________________________*/ |
| U1(ray).x=3.0f; U2(ray).y=-4.0f; U3(ray).z=5.0f; |
| U1(norm).x=1.0f; U2(norm).y=-2.0f; U3(norm).z=6.0f; |
| U1(e).x=79.0f; U2(e).y=-160.0f; U3(e).z=487.0f; |
| D3DRMVectorReflect(&r,&ray,&norm); |
| expect_vec(e,r); |
| |
| /*_______________________VectorRotate_______________________________*/ |
| U1(w).x=3.0f; U2(w).y=4.0f; U3(w).z=0.0f; |
| U1(axis).x=0.0f; U2(axis).y=0.0f; U3(axis).z=1.0f; |
| theta=2.0f*PI/3.0f; |
| D3DRMVectorRotate(&r,&w,&axis,theta); |
| 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; |
| expect_vec(e,r); |
| |
| /* The same formula gives D3DRMVectorRotate, for theta in [-PI/2;+PI/2] or not. The following test proves this fact.*/ |
| theta=-PI/4.0f; |
| D3DRMVectorRotate(&r,&w,&axis,theta); |
| U1(e).x=1.4f/sqrtf(2.0f); U2(e).y=0.2f/sqrtf(2.0f); U3(e).z=0.0f; |
| expect_vec(e,r); |
| |
| theta=PI/8.0f; |
| D3DRMVectorRotate(&self,&self,&axis,theta); |
| U1(e).x=0.989950; U2(e).y=0.141421f; U3(e).z=0.0f; |
| expect_vec(e,r); |
| |
| /*_______________________VectorScale__________________________*/ |
| par=2.5f; |
| D3DRMVectorScale(&r,&v,par); |
| U1(e).x=10.0f; U2(e).y=10.0f; U3(e).z=0.0f; |
| expect_vec(e,r); |
| |
| U1(self).x=9.0f; U2(self).y=18.0f; U3(self).z=27.0f; |
| D3DRMVectorScale(&self,&self,2); |
| U1(e).x=18.0f; U2(e).y=36.0f; U3(e).z=54.0f; |
| expect_vec(e,self); |
| } |
| |
| static void MatrixTest(void) |
| { |
| D3DRMQUATERNION q; |
| D3DRMMATRIX4D exp,mat; |
| |
| exp[0][0]=-49.0f; exp[0][1]=4.0f; exp[0][2]=22.0f; exp[0][3]=0.0f; |
| exp[1][0]=20.0f; exp[1][1]=-39.0f; exp[1][2]=20.0f; exp[1][3]=0.0f; |
| exp[2][0]=10.0f; exp[2][1]=28.0f; exp[2][2]=-25.0f; exp[2][3]=0.0f; |
| exp[3][0]=0.0f; exp[3][1]=0.0f; exp[3][2]=0.0f; exp[3][3]=1.0f; |
| q.s=1.0f; U1(q.v).x=2.0f; U2(q.v).y=3.0f; U3(q.v).z=4.0f; |
| |
| D3DRMMatrixFromQuaternion(mat,&q); |
| expect_mat(exp,mat); |
| } |
| |
| static void QuaternionTest(void) |
| { |
| D3DVECTOR axis; |
| D3DVALUE par,theta; |
| D3DRMQUATERNION q,q1,q1final,q2,q2final,r; |
| |
| /*_________________QuaternionFromRotation___________________*/ |
| U1(axis).x=1.0f; U2(axis).y=1.0f; U3(axis).z=1.0f; |
| theta=2.0f*PI/3.0f; |
| D3DRMQuaternionFromRotation(&r,&axis,theta); |
| q.s=0.5f; U1(q.v).x=0.5f; U2(q.v).y=0.5f; U3(q.v).z=0.5f; |
| expect_quat(q,r); |
| |
| /*_________________QuaternionSlerp_________________________*/ |
| /* If the angle of the two quaternions is in ]PI/2;3PI/2[, QuaternionSlerp |
| * interpolates between the first quaternion and the opposite of the second one. |
| * The test proves this fact. */ |
| par=0.31f; |
| q1.s=1.0f; U1(q1.v).x=2.0f; U2(q1.v).y=3.0f; U3(q1.v).z=50.0f; |
| q2.s=-4.0f; U1(q2.v).x=6.0f; U2(q2.v).y=7.0f; U3(q2.v).z=8.0f; |
| /* The angle between q1 and q2 is in [-PI/2,PI/2]. So, one interpolates between q1 and q2. */ |
| q.s = -0.55f; U1(q.v).x=3.24f; U2(q.v).y=4.24f; U3(q.v).z=36.98f; |
| D3DRMQuaternionSlerp(&r,&q1,&q2,par); |
| expect_quat(q,r); |
| |
| q1.s=1.0f; U1(q1.v).x=2.0f; U2(q1.v).y=3.0f; U3(q1.v).z=50.0f; |
| q2.s=-94.0f; U1(q2.v).x=6.0f; U2(q2.v).y=7.0f; U3(q2.v).z=-8.0f; |
| /* The angle between q1 and q2 is not in [-PI/2,PI/2]. So, one interpolates between q1 and -q2. */ |
| q.s=29.83f; U1(q.v).x=-0.48f; U2(q.v).y=-0.10f; U3(q.v).z=36.98f; |
| D3DRMQuaternionSlerp(&r,&q1,&q2,par); |
| expect_quat(q,r); |
| |
| /* Test the spherical interpolation part */ |
| q1.s=0.1f; U1(q1.v).x=0.2f; U2(q1.v).y=0.3f; U3(q1.v).z=0.4f; |
| q2.s=0.5f; U1(q2.v).x=0.6f; U2(q2.v).y=0.7f; U3(q2.v).z=0.8f; |
| q.s = 0.243943f; U1(q.v).x = 0.351172f; U2(q.v).y = 0.458401f; U3(q.v).z = 0.565629f; |
| |
| q1final=q1; |
| q2final=q2; |
| D3DRMQuaternionSlerp(&r,&q1,&q2,par); |
| expect_quat(q,r); |
| |
| /* Test to show that the input quaternions are not changed */ |
| expect_quat(q1,q1final); |
| expect_quat(q2,q2final); |
| } |
| |
| static void ColorTest(void) |
| { |
| D3DCOLOR color, expected_color, got_color; |
| D3DVALUE expected, got, red, green, blue, alpha; |
| |
| /*___________D3DRMCreateColorRGB_________________________*/ |
| red=0.8f; |
| green=0.3f; |
| blue=0.55f; |
| expected_color=0xffcc4c8c; |
| got_color=D3DRMCreateColorRGB(red,green,blue); |
| ok((expected_color==got_color),"Expected color=%x, Got color=%x\n",expected_color,got_color); |
| |
| /*___________D3DRMCreateColorRGBA________________________*/ |
| red=0.1f; |
| green=0.4f; |
| blue=0.7f; |
| alpha=0.58f; |
| expected_color=0x931966b2; |
| got_color=D3DRMCreateColorRGBA(red,green,blue,alpha); |
| ok((expected_color==got_color),"Expected color=%x, Got color=%x\n",expected_color,got_color); |
| |
| /* 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). */ |
| red=-0.88f; |
| green=0.4f; |
| blue=0.6f; |
| alpha=0.41f; |
| expected_color=0x68006699; |
| got_color=D3DRMCreateColorRGBA(red,green,blue,alpha); |
| ok((expected_color==got_color),"Expected color=%x, Got color=%x\n",expected_color,got_color); |
| |
| /* 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). */ |
| red=2.37f; |
| green=0.4f; |
| blue=0.6f; |
| alpha=0.41f; |
| expected_color=0x68ff6699; |
| got_color=D3DRMCreateColorRGBA(red,green,blue,alpha); |
| ok((expected_color==got_color),"Expected color=%x, Got color=%x\n",expected_color,got_color); |
| |
| /*___________D3DRMColorGetAlpha_________________________*/ |
| color=0x0e4921bf; |
| expected=14.0f/255.0f; |
| got=D3DRMColorGetAlpha(color); |
| ok((fabs(expected-got)<admit_error),"Expected=%f, Got=%f\n",expected,got); |
| |
| /*___________D3DRMColorGetBlue__________________________*/ |
| color=0xc82a1455; |
| expected=1.0f/3.0f; |
| got=D3DRMColorGetBlue(color); |
| ok((fabs(expected-got)<admit_error),"Expected=%f, Got=%f\n",expected,got); |
| |
| /*___________D3DRMColorGetGreen_________________________*/ |
| color=0xad971203; |
| expected=6.0f/85.0f; |
| got=D3DRMColorGetGreen(color); |
| ok((fabs(expected-got)<admit_error),"Expected=%f, Got=%f\n",expected,got); |
| |
| /*___________D3DRMColorGetRed__________________________*/ |
| color=0xb62d7a1c; |
| expected=3.0f/17.0f; |
| got=D3DRMColorGetRed(color); |
| ok((fabs(expected-got)<admit_error),"Expected=%f, Got=%f\n",expected,got); |
| } |
| |
| START_TEST(vector) |
| { |
| VectorTest(); |
| MatrixTest(); |
| QuaternionTest(); |
| ColorTest(); |
| } |