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d3dx8: Implement D3DXMatrixMultiply.

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This commit is contained in:
David Adam 2007-10-30 14:46:19 +01:00 committed by Alexandre Julliard
parent 720fb79d7f
commit c392a8bc74
4 changed files with 62 additions and 7 deletions
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2
dlls/d3dx8/d3dx8.spec
View file

@ -21,7 +21,7 @@
@ stdcall D3DXVec4BaryCentric(ptr ptr ptr ptr long long)
@ stdcall D3DXVec4Transform(ptr ptr ptr)
@ stdcall D3DXMatrixfDeterminant(ptr)
@ stub D3DXMatrixMultiply
@ stdcall D3DXMatrixMultiply(ptr ptr ptr)
@ stub D3DXMatrixTranspose
@ stub D3DXMatrixInverse
@ stub D3DXMatrixScaling

14
dlls/d3dx8/math.c
View file

@ -44,6 +44,20 @@ FLOAT WINAPI D3DXMatrixfDeterminant(CONST D3DXMATRIX *pm)
return det;
}
D3DXMATRIX* WINAPI D3DXMatrixMultiply(D3DXMATRIX *pout, CONST D3DXMATRIX *pm1, CONST D3DXMATRIX *pm2)
{
int i,j;
for (i=0; i<4; i++)
{
for (j=0; j<4; j++)
{
pout->m[i][j] = pm1->m[i][0] * pm2->m[0][j] + pm1->m[i][1] * pm2->m[1][j] + pm1->m[i][2] * pm2->m[2][j] + pm1->m[i][3] * pm2->m[3][j];
}
}
return pout;
}
/*_________________D3DXQUATERNION________________*/
D3DXQUATERNION* WINAPI D3DXQuaternionNormalize(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq)

52
dlls/d3dx8/tests/math.c
View file

@ -25,6 +25,31 @@
#define expect_color(expectedcolor,gotcolor) ok((fabs(expectedcolor.r-gotcolor.r)<admitted_error)&&(fabs(expectedcolor.g-gotcolor.g)<admitted_error)&&(fabs(expectedcolor.b-gotcolor.b)<admitted_error)&&(fabs(expectedcolor.a-gotcolor.a)<admitted_error),"Expected Color= (%f, %f, %f, %f)\n , Got Color= (%f, %f, %f, %f)\n", expectedcolor.r, expectedcolor.g, expectedcolor.b, expectedcolor.a, gotcolor.r, gotcolor.g, gotcolor.b, gotcolor.a);
#define expect_mat(expectedmat,gotmat)\
{ \
int i,j,equal=1; \
for (i=0; i<4; i++)\
{\
for (j=0; j<4; j++)\
{\
if (fabs(expectedmat.m[i][j]-gotmat.m[i][j])>admitted_error)\
{\
equal=0;\
}\
}\
}\
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.m[0][0],expectedmat.m[0][1],expectedmat.m[0][2],expectedmat.m[0][3], \
expectedmat.m[1][0],expectedmat.m[1][1],expectedmat.m[1][2],expectedmat.m[1][3], \
expectedmat.m[2][0],expectedmat.m[2][1],expectedmat.m[2][2],expectedmat.m[2][3], \
expectedmat.m[3][0],expectedmat.m[3][1],expectedmat.m[3][2],expectedmat.m[3][3], \
gotmat.m[0][0],gotmat.m[0][1],gotmat.m[0][2],gotmat.m[0][3], \
gotmat.m[1][0],gotmat.m[1][1],gotmat.m[1][2],gotmat.m[1][3], \
gotmat.m[2][0],gotmat.m[2][1],gotmat.m[2][2],gotmat.m[2][3], \
gotmat.m[3][0],gotmat.m[3][1],gotmat.m[3][2],gotmat.m[3][3]); \
}
#define expect_vec(expectedvec,gotvec) ok((fabs(expectedvec.x-gotvec.x)<admitted_error)&&(fabs(expectedvec.y-gotvec.y)<admitted_error),"Expected Vector= (%f, %f)\n , Got Vector= (%f, %f)\n", expectedvec.x, expectedvec.y, gotvec.x, gotvec.y);
#define expect_vec3(expectedvec,gotvec) ok((fabs(expectedvec.x-gotvec.x)<admitted_error)&&(fabs(expectedvec.y-gotvec.y)<admitted_error)&&(fabs(expectedvec.z-gotvec.z)<admitted_error),"Expected Vector= (%f, %f, %f)\n , Got Vector= (%f, %f, %f)\n", expectedvec.x, expectedvec.y, expectedvec.z, gotvec.x, gotvec.y, gotvec.z);
@ -123,7 +148,7 @@ static void D3DXColorTest(void)
static void D3DXMatrixTest(void)
{
D3DXMATRIX mat;
D3DXMATRIX expectedmat, gotmat, mat, mat2, mat3;
BOOL expected, got;
FLOAT expectedfloat, gotfloat;
@ -134,6 +159,13 @@ static void D3DXMatrixTest(void)
U(mat).m[0][0] = 10.0f; U(mat).m[1][1] = 20.0f; U(mat).m[2][2] = 30.0f;
U(mat).m[3][3] = -40.0f;
mat2.m[0][0] = 1.0f; mat2.m[1][0] = 2.0f; mat2.m[2][0] = 3.0f;
mat2.m[3][0] = 4.0f; mat2.m[0][1] = 5.0f; mat2.m[1][1] = 6.0f;
mat2.m[2][1] = 7.0f; mat2.m[3][1] = 8.0f; mat2.m[0][2] = -8.0f;
mat2.m[1][2] = -7.0f; mat2.m[2][2] = -6.0f; mat2.m[3][2] = -5.0f;
mat2.m[0][3] = -4.0f; mat2.m[1][3] = -3.0f; mat2.m[2][3] = -2.0f;
mat2.m[3][3] = -1.0f;
/*____________D3DXMatrixfDeterminant_____________*/
expectedfloat = -147888.0f;
gotfloat = D3DXMatrixfDeterminant(&mat);
@ -141,20 +173,28 @@ static void D3DXMatrixTest(void)
/*____________D3DXMatrixIsIdentity______________*/
expected = FALSE;
got = D3DXMatrixIsIdentity(&mat);
got = D3DXMatrixIsIdentity(&mat3);
ok(expected == got, "Expected : %d, Got : %d\n", expected, got);
D3DXMatrixIdentity(&mat);
D3DXMatrixIdentity(&mat3);
expected = TRUE;
got = D3DXMatrixIsIdentity(&mat);
got = D3DXMatrixIsIdentity(&mat3);
ok(expected == got, "Expected : %d, Got : %d\n", expected, got);
U(mat).m[0][0] = 0.000009f;
U(mat3).m[0][0] = 0.000009f;
expected = FALSE;
got = D3DXMatrixIsIdentity(&mat);
got = D3DXMatrixIsIdentity(&mat3);
ok(expected == got, "Expected : %d, Got : %d\n", expected, got);
/* Test the NULL case */
expected = FALSE;
got = D3DXMatrixIsIdentity(NULL);
ok(expected == got, "Expected : %d, Got : %d\n", expected, got);
/*____________D3DXMatrixMultiply______________*/
expectedmat.m[0][0] = 73.0f; expectedmat.m[0][1] = 193.0f; expectedmat.m[0][2] = -197.0f; expectedmat.m[0][3] = -77.0f;
expectedmat.m[1][0] = 231.0f; expectedmat.m[1][1] = 551.0f; expectedmat.m[1][2] = -489.0f; expectedmat.m[1][3] = -169.0;
expectedmat.m[2][0] = 239.0f; expectedmat.m[2][1] = 523.0f; expectedmat.m[2][2] = -400.0f; expectedmat.m[2][3] = -116.0f;
expectedmat.m[3][0] = -164.0f; expectedmat.m[3][1] = -320.0f; expectedmat.m[3][2] = 187.0f; expectedmat.m[3][3] = 31.0f;
D3DXMatrixMultiply(&gotmat,&mat,&mat2);
expect_mat(expectedmat,gotmat);
}
static void D3DXPlaneTest(void)

1
include/d3dx8math.h
View file

@ -59,6 +59,7 @@ typedef struct D3DXCOLOR
} D3DXCOLOR, *LPD3DXCOLOR;
FLOAT WINAPI D3DXMatrixfDeterminant(CONST D3DXMATRIX *pm);
D3DXMATRIX* WINAPI D3DXMatrixMultiply(D3DXMATRIX *pout, CONST D3DXMATRIX *pm1, CONST D3DXMATRIX *pm2);
D3DXQUATERNION* WINAPI D3DXQuaternionNormalize(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq);