David Adam : d3dx8: Implement D3DXPlaneColorSubtract.

Alexandre Julliard julliard at winehq.org
Wed Oct 24 11:04:51 CDT 2007


Module: wine
Branch: master
Commit: 5b685e6ad73c79fa21ad57f88490bbcfe0eb11ba
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=5b685e6ad73c79fa21ad57f88490bbcfe0eb11ba

Author: David Adam <David.Adam at math.cnrs.fr>
Date:   Tue Oct 23 13:19:27 2007 +0200

d3dx8: Implement D3DXPlaneColorSubtract.

---

 dlls/d3dx8/tests/math.c |   12 ++++++++++++
 include/d3dx8math.inl   |   10 ++++++++++
 2 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/dlls/d3dx8/tests/math.c b/dlls/d3dx8/tests/math.c
index 2f6633f..7b80988 100644
--- a/dlls/d3dx8/tests/math.c
+++ b/dlls/d3dx8/tests/math.c
@@ -108,6 +108,18 @@ static void D3DXColorTest(void)
     ok(funcpointer == NULL, "Expected: %p, Got: %p\n", NULL, funcpointer);
     funcpointer = D3DXColorScale(NULL,NULL,scale);
     ok(funcpointer == NULL, "Expected: %p, Got: %p\n", NULL, funcpointer);
+
+/*_______________D3DXColorSubtract_______________*/
+    expected.r = -0.1f; expected.g = 0.25f; expected.b = -0.35f, expected.a = 0.82f;
+    D3DXColorSubtract(&got,&color,&color2);
+    expect_color(expected,got);
+    /* Test the NULL case */
+    funcpointer = D3DXColorSubtract(&got,NULL,&color2);
+    ok(funcpointer == NULL, "Expected: %p, Got: %p\n", NULL, funcpointer);
+    funcpointer = D3DXColorSubtract(NULL,NULL,&color2);
+    ok(funcpointer == NULL, "Expected: %p, Got: %p\n", NULL, funcpointer);
+    funcpointer = D3DXColorSubtract(NULL,NULL,NULL);
+    ok(funcpointer == NULL, "Expected: %p, Got: %p\n", NULL, funcpointer);
 }
 
 static void D3DXPlaneTest(void)
diff --git a/include/d3dx8math.inl b/include/d3dx8math.inl
index 78ef7c5..d9f0b3d 100644
--- a/include/d3dx8math.inl
+++ b/include/d3dx8math.inl
@@ -71,6 +71,16 @@ static inline D3DXCOLOR* D3DXColorScale(D3DXCOLOR *pout, CONST D3DXCOLOR *pc, FL
     return pout;
 }
 
+static inline D3DXCOLOR* D3DXColorSubtract(D3DXCOLOR *pout, CONST D3DXCOLOR *pc1, CONST D3DXCOLOR *pc2)
+{
+    if ( !pout || !pc1 || !pc2 ) return NULL;
+    pout->r = (pc1->r) - (pc2->r);
+    pout->g = (pc1->g) - (pc2->g);
+    pout->b = (pc1->b) - (pc2->b);
+    pout->a = (pc1->a) - (pc2->a);
+    return pout;
+}
+
 /*_______________D3DXVECTOR2________________________*/
 
 static inline D3DXVECTOR2* D3DXVec2Add(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv1, CONST D3DXVECTOR2 *pv2)




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