[PATCH 4/6] d3dx9: D3DXVec2Transform should support arguments aliasing.
Paul Gofman
gofmanp at gmail.com
Thu Apr 14 07:10:14 CDT 2016
Signed-off-by: Paul Gofman <gofmanp at gmail.com>
---
dlls/d3dx9_36/math.c | 11 +++++++----
dlls/d3dx9_36/tests/math.c | 7 +++++--
2 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/dlls/d3dx9_36/math.c b/dlls/d3dx9_36/math.c
index fb8cad6..18f17ad 100644
--- a/dlls/d3dx9_36/math.c
+++ b/dlls/d3dx9_36/math.c
@@ -1715,12 +1715,15 @@ D3DXVECTOR2* WINAPI D3DXVec2Normalize(D3DXVECTOR2 *pout, const D3DXVECTOR2 *pv)
D3DXVECTOR4* WINAPI D3DXVec2Transform(D3DXVECTOR4 *pout, const D3DXVECTOR2 *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[3][0];
- pout->y = pm->u.m[0][1] * pv->x + pm->u.m[1][1] * pv->y + pm->u.m[3][1];
- pout->z = pm->u.m[0][2] * pv->x + pm->u.m[1][2] * pv->y + pm->u.m[3][2];
- pout->w = pm->u.m[0][3] * pv->x + pm->u.m[1][3] * pv->y + pm->u.m[3][3];
+ out.x = pm->u.m[0][0] * pv->x + pm->u.m[1][0] * pv->y + pm->u.m[3][0];
+ out.y = pm->u.m[0][1] * pv->x + pm->u.m[1][1] * pv->y + pm->u.m[3][1];
+ out.z = pm->u.m[0][2] * pv->x + pm->u.m[1][2] * pv->y + pm->u.m[3][2];
+ out.w = pm->u.m[0][3] * pv->x + pm->u.m[1][3] * pv->y + pm->u.m[3][3];
+ *pout = out;
return pout;
}
diff --git a/dlls/d3dx9_36/tests/math.c b/dlls/d3dx9_36/tests/math.c
index fc2e4be..8300993 100644
--- a/dlls/d3dx9_36/tests/math.c
+++ b/dlls/d3dx9_36/tests/math.c
@@ -1193,8 +1193,11 @@ static void D3DXVector2Test(void)
/*_______________D3DXVec2Transform_______________________*/
expectedtrans.x = 36.0f; expectedtrans.y = 44.0f; expectedtrans.z = 52.0f; expectedtrans.w = 60.0f;
- D3DXVec2Transform(&gottrans,&u,&mat);
- expect_vec4(expectedtrans,gottrans);
+ D3DXVec2Transform(&gottrans, &u, &mat);
+ expect_vec4(expectedtrans, gottrans);
+ gottrans.x = u.x; gottrans.y = u.y;
+ D3DXVec2Transform(&gottrans, (D3DXVECTOR2 *)&gottrans, &mat);
+ expect_vec4(expectedtrans, gottrans);
/*_______________D3DXVec2TransformCoord_______________________*/
expectedvec.x = 0.6f; expectedvec.y = 11.0f/15.0f;
--
2.5.5
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