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d3dx9: D3DXVec3Transform should support input and output parameter overlap.

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Signed-off-by: Paul Gofman <gofmanp@gmail.com>
Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Paul Gofman 2016-04-12 13:09:17 +03:00 committed by Alexandre Julliard
parent a3401dfaf2
commit 1ba9cfb5c3
2 changed files with 13 additions and 6 deletions
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11
dlls/d3dx9_36/math.c
View File

@ -1898,12 +1898,15 @@ D3DXVECTOR3* WINAPI D3DXVec3ProjectArray(D3DXVECTOR3* out, UINT outstride, const
D3DXVECTOR4* WINAPI D3DXVec3Transform(D3DXVECTOR4 *pout, const D3DXVECTOR3 *pv, const D3DXMATRIX *pm)
{
D3DXVECTOR4 out;
TRACE("pout %p, pv %p, pm %p\n", pout, pv, pm);
pout->x = pm->u.m[0][0] * pv->x + pm->u.m[1][0] * pv->y + pm->u.m[2][0] * pv->z + pm->u.m[3][0];
pout->y = pm->u.m[0][1] * pv->x + pm->u.m[1][1] * pv->y + pm->u.m[2][1] * pv->z + pm->u.m[3][1];
pout->z = pm->u.m[0][2] * pv->x + pm->u.m[1][2] * pv->y + pm->u.m[2][2] * pv->z + pm->u.m[3][2];
pout->w = pm->u.m[0][3] * pv->x + pm->u.m[1][3] * pv->y + pm->u.m[2][3] * pv->z + pm->u.m[3][3];
out.x = pm->u.m[0][0] * pv->x + pm->u.m[1][0] * pv->y + pm->u.m[2][0] * pv->z + pm->u.m[3][0];
out.y = pm->u.m[0][1] * pv->x + pm->u.m[1][1] * pv->y + pm->u.m[2][1] * pv->z + pm->u.m[3][1];
out.z = pm->u.m[0][2] * pv->x + pm->u.m[1][2] * pv->y + pm->u.m[2][2] * pv->z + pm->u.m[3][2];
out.w = pm->u.m[0][3] * pv->x + pm->u.m[1][3] * pv->y + pm->u.m[2][3] * pv->z + pm->u.m[3][3];
*pout = out;
return pout;
}

8
dlls/d3dx9_36/tests/math.c
View File

@ -1361,8 +1361,12 @@ static void D3DXVector3Test(void)
/*_______________D3DXVec3Transform_______________________*/
expectedtrans.x = 70.0f; expectedtrans.y = 88.0f; expectedtrans.z = 106.0f; expectedtrans.w = 124.0f;
D3DXVec3Transform(&gottrans,&u,&mat);
expect_vec4(expectedtrans,gottrans);
D3DXVec3Transform(&gottrans, &u, &mat);
expect_vec4(expectedtrans, gottrans);
gottrans.x = u.x; gottrans.y = u.y; gottrans.z = u.z;
D3DXVec3Transform(&gottrans, (D3DXVECTOR3 *)&gottrans, &mat);
expect_vec4(expectedtrans, gottrans);
/*_______________D3DXVec3TransformCoord_______________________*/
expectedvec.x = 70.0f/124.0f; expectedvec.y = 88.0f/124.0f; expectedvec.z = 106.0f/124.0f;