[PATCH] Implement D3DXMatrixOrthoLH with a test
David Adam
David.Adam at math.cnrs.fr
Sat Nov 3 03:59:33 CDT 2007
---
dlls/d3dx8/d3dx8.spec | 2 +-
dlls/d3dx8/math.c | 10 ++++++++++
dlls/d3dx8/tests/math.c | 6 ++++++
include/d3dx8math.h | 1 +
4 files changed, 18 insertions(+), 1 deletions(-)
diff --git a/dlls/d3dx8/d3dx8.spec b/dlls/d3dx8/d3dx8.spec
index 8621e60..14500af 100644
--- a/dlls/d3dx8/d3dx8.spec
+++ b/dlls/d3dx8/d3dx8.spec
@@ -43,7 +43,7 @@
@ stdcall D3DXMatrixPerspectiveOffCenterRH(ptr long long long long long lon=
g)
@ stdcall D3DXMatrixPerspectiveOffCenterLH(ptr long long long long long lon=
g)
@ stdcall D3DXMatrixOrthoRH(ptr long long long long)
-@ stub D3DXMatrixOrthoLH
+@ stdcall D3DXMatrixOrthoLH(ptr long long long long)
@ stub D3DXMatrixOrthoOffCenterRH
@ stub D3DXMatrixOrthoOffCenterLH
@ stub D3DXMatrixShadow
diff --git a/dlls/d3dx8/math.c b/dlls/d3dx8/math.c
index ef38f0b..7070895 100644
--- a/dlls/d3dx8/math.c
+++ b/dlls/d3dx8/math.c
@@ -116,6 +116,16 @@ D3DXMATRIX* WINAPI D3DXMatrixMultiply(D3DXMATRIX *pout,=
CONST D3DXMATRIX *pm1, C
return pout;
}
=20
+D3DXMATRIX* WINAPI D3DXMatrixOrthoLH(D3DXMATRIX *pout, FLOAT w, FLOAT h, FL=
OAT zn, FLOAT zf)
+{
+ D3DXMatrixIdentity(pout);
+ pout->m[0][0] =3D 2.0f / w;
+ pout->m[1][1] =3D 2.0f / h;
+ pout->m[2][2] =3D 1.0f / (zf - zn);
+ pout->m[3][2] =3D zn / (zn - zf);
+ return pout;
+}
+
D3DXMATRIX* WINAPI D3DXMatrixOrthoRH(D3DXMATRIX *pout, FLOAT w, FLOAT h, FL=
OAT zn, FLOAT zf)
{
D3DXMatrixIdentity(pout);
diff --git a/dlls/d3dx8/tests/math.c b/dlls/d3dx8/tests/math.c
index ba285f2..f84426d 100644
--- a/dlls/d3dx8/tests/math.c
+++ b/dlls/d3dx8/tests/math.c
@@ -222,6 +222,12 @@ static void D3DXMatrixTest(void)
D3DXMatrixMultiply(&gotmat,&mat,&mat2);
expect_mat(expectedmat,gotmat);
=20
+/*____________D3DXMatrixOrthoLH_______________*/
+ D3DXMatrixIdentity(&expectedmat);
+ expectedmat.m[0][0] =3D 0.8f; expectedmat.m[1][1] =3D 0.270270f; expect=
edmat.m[2][2] =3D -0.151515f; expectedmat.m[3][2] =3D -0.484848f;
+ D3DXMatrixOrthoLH(&gotmat, 2.5f, 7.4f, -3.2f, -9.8f);
+ expect_mat(expectedmat,gotmat);
+
/*____________D3DXMatrixOrthoRH_______________*/
D3DXMatrixIdentity(&expectedmat);
expectedmat.m[0][0] =3D 0.8f; expectedmat.m[1][1] =3D 0.270270f; expect=
edmat.m[2][2] =3D 0.151515f; expectedmat.m[3][2] =3D -0.484848f;
diff --git a/include/d3dx8math.h b/include/d3dx8math.h
index 59389d2..f17fd5c 100644
--- a/include/d3dx8math.h
+++ b/include/d3dx8math.h
@@ -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 *p=
m1, CONST D3DXMATRIX *pm2);
+D3DXMATRIX* WINAPI D3DXMatrixOrthoLH(D3DXMATRIX *pout, FLOAT w, FLOAT h, FL=
OAT zn, FLOAT zf);
D3DXMATRIX* WINAPI D3DXMatrixOrthoRH(D3DXMATRIX *pout, FLOAT w, FLOAT h, FL=
OAT zn, FLOAT zf);
D3DXMATRIX* WINAPI D3DXMatrixPerspectiveFovLH(D3DXMATRIX *pout, FLOAT fovy,=
FLOAT aspect, FLOAT zn, FLOAT zf);
D3DXMATRIX* WINAPI D3DXMatrixPerspectiveFovRH(D3DXMATRIX *pout, FLOAT fovy,=
FLOAT aspect, FLOAT zn, FLOAT zf);
--=20
1.5.3.2
--=_65cci16rtnk0--
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