David Adam : d3dx8: Implement D3DXPlaneDotNormalize.
Alexandre Julliard
julliard at winehq.org
Wed Oct 24 11:04:49 CDT 2007
Module: wine
Branch: master
Commit: a00353b394547356e6f8bb99b0e40079f996cba6
URL: http://source.winehq.org/git/wine.git/?a=commit;h=a00353b394547356e6f8bb99b0e40079f996cba6
Author: David Adam <David.Adam at math.cnrs.fr>
Date: Tue Oct 23 11:06:33 2007 +0200
d3dx8: Implement D3DXPlaneDotNormalize.
---
dlls/d3dx8/tests/math.c | 11 +++++++++++
include/d3dx8math.inl | 6 ++++++
2 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/dlls/d3dx8/tests/math.c b/dlls/d3dx8/tests/math.c
index c318a45..e73a619 100644
--- a/dlls/d3dx8/tests/math.c
+++ b/dlls/d3dx8/tests/math.c
@@ -60,6 +60,17 @@ static void D3DXPlaneTest(void)
expected = 0.0f;
got = D3DXPlaneDotCoord(NULL,NULL),
ok( expected == got, "Expected : %f, Got : %f\n",expected, got);
+
+/*_______________D3DXPlaneDotNormal______________*/
+ expected = -35.0f;
+ got = D3DXPlaneDotNormal(&plane,&vec),
+ ok( expected == got, "Expected : %f, Got : %f\n",expected, got);
+ expected = 0.0f;
+ got = D3DXPlaneDotNormal(NULL,&vec),
+ ok( expected == got, "Expected : %f, Got : %f\n",expected, got);
+ expected = 0.0f;
+ got = D3DXPlaneDotNormal(NULL,NULL),
+ ok( expected == got, "Expected : %f, Got : %f\n",expected, got);
}
static void D3X8QuaternionTest(void)
diff --git a/include/d3dx8math.inl b/include/d3dx8math.inl
index e8e6a02..71f9641 100644
--- a/include/d3dx8math.inl
+++ b/include/d3dx8math.inl
@@ -270,6 +270,12 @@ static inline FLOAT D3DXPlaneDotCoord(CONST D3DXPLANE *pp, CONST D3DXVECTOR4 *pv
return ( (pp->a) * (pv->x) + (pp->b) * (pv->y) + (pp->c) * (pv->z) + (pp->d) );
}
+static inline FLOAT D3DXPlaneDotNormal(CONST D3DXPLANE *pp, CONST D3DXVECTOR4 *pv)
+{
+ if ( !pp || !pv ) return 0.0f;
+ return ( (pp->a) * (pv->x) + (pp->b) * (pv->y) + (pp->c) * (pv->z) );
+}
+
/*__________________D3DXQUATERNION____________________*/
static inline D3DXQUATERNION* D3DXQuaternionConjugate(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq)
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