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d3dx8: Implement D3DXPlaneNormalize.

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This commit is contained in:
David Adam 2007-11-15 11:27:19 +01:00 committed by Alexandre Julliard
parent d1a3025826
commit 8abfaa04cc
4 changed files with 43 additions and 2 deletions
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2
dlls/d3dx8/d3dx8.spec
View file

@ -61,7 +61,7 @@
@ stub D3DXQuaternionSlerp
@ stub D3DXQuaternionSquad
@ stub D3DXQuaternionBaryCentric
@ stub D3DXPlaneNormalize
@ stdcall D3DXPlaneNormalize(ptr ptr)
@ stub D3DXPlaneIntersectLine
@ stub D3DXPlaneFromPointNormal
@ stub D3DXPlaneFromPoints

24
dlls/d3dx8/math.c
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@ -433,6 +433,30 @@ D3DXMATRIX* WINAPI D3DXMatrixTranspose(D3DXMATRIX *pout, CONST D3DXMATRIX *pm)
return pout;
}
/*_________________D3DXPLANE________________*/
D3DXPLANE* WINAPI D3DXPlaneNormalize(D3DXPLANE *pout, CONST D3DXPLANE *pp)
{
FLOAT norm;
norm = sqrt(pp->a * pp->a + pp->b * pp->b + pp->c * pp->c);
if ( norm )
{
pout->a = pp->a / norm;
pout->b = pp->b / norm;
pout->c = pp->c / norm;
pout->d = pp->d / norm;
}
else
{
pout->a = 0.0f;
pout->b = 0.0f;
pout->c = 0.0f;
pout->d = 0.0f;
}
return pout;
}
/*_________________D3DXQUATERNION________________*/
D3DXQUATERNION* WINAPI D3DXQuaternionNormalize(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq)

17
dlls/d3dx8/tests/math.c
View file

@ -50,6 +50,8 @@
U(gotmat).m[3][0],U(gotmat).m[3][1],U(gotmat).m[3][2],U(gotmat).m[3][3]); \
}
#define expect_plane(expectedplane,gotplane) ok((fabs(expectedplane.a-gotplane.a)<admitted_error)&&(fabs(expectedplane.b-gotplane.b)<admitted_error)&&(fabs(expectedplane.c-gotplane.c)<admitted_error)&&(fabs(expectedplane.d-gotplane.d)<admitted_error),"Expected Plane= (%f, %f, %f, %f)\n , Got Plane= (%f, %f, %f, %f)\n", expectedplane.a, expectedplane.b, expectedplane.c, expectedplane.d, gotplane.a, gotplane.b, gotplane.c, gotplane.d);
#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);
@ -413,7 +415,7 @@ static void D3DXMatrixTest(void)
static void D3DXPlaneTest(void)
{
D3DXPLANE plane;
D3DXPLANE expectedplane, gotplane, nulplane, plane;
D3DXVECTOR4 vec;
FLOAT expected, got;
@ -452,6 +454,19 @@ static void D3DXPlaneTest(void)
expected = 0.0f;
got = D3DXPlaneDotNormal(NULL,NULL),
ok( expected == got, "Expected : %f, Got : %f\n",expected, got);
/*_______________D3DXPlaneDotNormalize______________*/
expectedplane.a = -3.0f/sqrt(26.0f); expectedplane.b = -1.0f/sqrt(26.0f); expectedplane.c = 4.0f/sqrt(26.0f); expectedplane.d = 7.0/sqrt(26.0f);
D3DXPlaneNormalize(&gotplane, &plane);
expect_plane(expectedplane, gotplane);
nulplane.a = 0.0; nulplane.b = 0.0f, nulplane.c = 0.0f; nulplane.d = 0.0f;
expectedplane.a = 0.0f; expectedplane.b = 0.0f; expectedplane.c = 0.0f; expectedplane.d = 0.0f;
D3DXPlaneNormalize(&gotplane, &nulplane);
expect_plane(expectedplane, gotplane);
nulplane.a = 0.0; nulplane.b = 0.0f, nulplane.c = 0.0f; nulplane.d = 4.3f;
expectedplane.a = 0.0f; expectedplane.b = 0.0f; expectedplane.c = 0.0f; expectedplane.d = 0.0f;
D3DXPlaneNormalize(&gotplane, &nulplane);
expect_plane(expectedplane, gotplane);
}
static void D3X8QuaternionTest(void)

2
include/d3dx8math.h
View file

@ -291,6 +291,8 @@ D3DXMATRIX* WINAPI D3DXMatrixScaling(D3DXMATRIX *pout, FLOAT sx, FLOAT sy, FLOAT
D3DXMATRIX* WINAPI D3DXMatrixTranslation(D3DXMATRIX *pout, FLOAT x, FLOAT y, FLOAT z);
D3DXMATRIX* WINAPI D3DXMatrixTranspose(D3DXMATRIX *pout, CONST D3DXMATRIX *pm);
D3DXPLANE* WINAPI D3DXPlaneNormalize(D3DXPLANE *pout, CONST D3DXPLANE *pp);
D3DXQUATERNION* WINAPI D3DXQuaternionNormalize(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq);
D3DXVECTOR2* WINAPI D3DXVec2BaryCentric(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv1, CONST D3DXVECTOR2 *pv2, CONST D3DXVECTOR2 *pv3, FLOAT f, FLOAT g);