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d3dx8: Implement D3DXMatrixPerspectiveLH.

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David Adam 2007-11-03 09:46:37 +01:00 committed by Alexandre Julliard
parent 5154b203b0
commit bde962f0ff
4 changed files with 22 additions and 1 deletions
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2
dlls/d3dx8/d3dx8.spec
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@ -37,7 +37,7 @@
@ stdcall D3DXMatrixLookAtRH(ptr ptr ptr ptr ptr)
@ stdcall D3DXMatrixLookAtLH(ptr ptr ptr ptr)
@ stdcall D3DXMatrixPerspectiveRH(ptr long long long long)
@ stub D3DXMatrixPerspectiveLH
@ stdcall D3DXMatrixPerspectiveLH(ptr long long long long)
@ stub D3DXMatrixPerspectiveFovRH
@ stub D3DXMatrixPerspectiveFovLH
@ stub D3DXMatrixPerspectiveOffCenterRH

12
dlls/d3dx8/math.c
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@ -116,6 +116,18 @@ D3DXMATRIX* WINAPI D3DXMatrixMultiply(D3DXMATRIX *pout, CONST D3DXMATRIX *pm1, C
return pout;
}
D3DXMATRIX* WINAPI D3DXMatrixPerspectiveLH(D3DXMATRIX *pout, FLOAT w, FLOAT h, FLOAT zn, FLOAT zf)
{
D3DXMatrixIdentity(pout);
pout->m[0][0] = 2.0f * zn / w;
pout->m[1][1] = 2.0f * zn / h;
pout->m[2][2] = zf / (zf - zn);
pout->m[3][2] = (zn * zf) / (zn - zf);
pout->m[2][3] = 1.0f;
pout->m[3][3] = 0.0f;
return pout;
}
D3DXMATRIX* WINAPI D3DXMatrixPerspectiveRH(D3DXMATRIX *pout, FLOAT w, FLOAT h, FLOAT zn, FLOAT zf)
{
D3DXMatrixIdentity(pout);

8
dlls/d3dx8/tests/math.c
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@ -222,6 +222,14 @@ static void D3DXMatrixTest(void)
D3DXMatrixMultiply(&gotmat,&mat,&mat2);
expect_mat(expectedmat,gotmat);
/*____________D3DXMatrixPerspectiveLH_______________*/
expectedmat.m[0][0] = -24.0f; expectedmat.m[0][1] = -0.0f; expectedmat.m[0][2] = 0.0f; expectedmat.m[0][3] = 0.0f;
expectedmat.m[1][0] = 0.0f; expectedmat.m[1][1] = -6.4f; expectedmat.m[1][2] = 0.0; expectedmat.m[1][3] = 0.0f;
expectedmat.m[2][0] = 0.0f; expectedmat.m[2][1] = 0.0f; expectedmat.m[2][2] = 0.783784f; expectedmat.m[2][3] = 1.0f;
expectedmat.m[3][0] = 0.0f; expectedmat.m[3][1] = 0.0f; expectedmat.m[3][2] = 1.881081f; expectedmat.m[3][3] = 0.0f;
D3DXMatrixPerspectiveLH(&gotmat, 0.2f, 0.75f, -2.4f, 8.7f);
expect_mat(expectedmat,gotmat);
/*____________D3DXMatrixPerspectiveRH_______________*/
expectedmat.m[0][0] = -24.0f; expectedmat.m[0][1] = -0.0f; expectedmat.m[0][2] = 0.0f; expectedmat.m[0][3] = 0.0f;
expectedmat.m[1][0] = 0.0f; expectedmat.m[1][1] = -6.4f; expectedmat.m[1][2] = 0.0; expectedmat.m[1][3] = 0.0f;

1
include/d3dx8math.h
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@ -62,6 +62,7 @@ FLOAT WINAPI D3DXMatrixfDeterminant(CONST D3DXMATRIX *pm);
D3DXMATRIX* WINAPI D3DXMatrixLookAtLH(D3DXMATRIX *pout, CONST D3DXVECTOR3 *peye, CONST D3DXVECTOR3 *pat, CONST D3DXVECTOR3 *pup);
D3DXMATRIX* WINAPI D3DXMatrixLookAtRH(D3DXMATRIX *pout, CONST D3DXVECTOR3 *peye, CONST D3DXVECTOR3 *pat, CONST D3DXVECTOR3 *pup);
D3DXMATRIX* WINAPI D3DXMatrixMultiply(D3DXMATRIX *pout, CONST D3DXMATRIX *pm1, CONST D3DXMATRIX *pm2);
D3DXMATRIX* WINAPI D3DXMatrixPerspectiveLH(D3DXMATRIX *pout, FLOAT w, FLOAT h, FLOAT zn, FLOAT zf);
D3DXMATRIX* WINAPI D3DXMatrixPerspectiveRH(D3DXMATRIX *pout, FLOAT w, FLOAT h, FLOAT zn, FLOAT zf);
D3DXMATRIX* WINAPI D3DXMatrixRotationAxis(D3DXMATRIX *pout, CONST D3DXVECTOR3 *pv, FLOAT angle);
D3DXMATRIX* WINAPI D3DXMatrixRotationQuaternion(D3DXMATRIX *pout, CONST D3DXQUATERNION *pq);