Nozomi Kodama : d3dx9_36: Implementation of D3DXSHDot.
Alexandre Julliard
julliard at winehq.org
Thu Jun 28 13:55:15 CDT 2012
Module: wine
Branch: master
Commit: b56227cbf1e1686a8d3b7d57ca0d28b7a24fe699
URL: http://source.winehq.org/git/wine.git/?a=commit;h=b56227cbf1e1686a8d3b7d57ca0d28b7a24fe699
Author: Nozomi Kodama <Nozomi.Kodama at yahoo.com>
Date: Wed Jun 27 14:50:07 2012 +0800
d3dx9_36: Implementation of D3DXSHDot.
---
dlls/d3dx9_36/d3dx9_36.spec | 2 +-
dlls/d3dx9_36/math.c | 14 ++++++++++++++
dlls/d3dx9_36/tests/math.c | 24 ++++++++++++++++++++++++
include/d3dx9math.h | 1 +
4 files changed, 40 insertions(+), 1 deletions(-)
diff --git a/dlls/d3dx9_36/d3dx9_36.spec b/dlls/d3dx9_36/d3dx9_36.spec
index 338585a..2ed971c5 100644
--- a/dlls/d3dx9_36/d3dx9_36.spec
+++ b/dlls/d3dx9_36/d3dx9_36.spec
@@ -273,7 +273,7 @@
@ stub D3DXSaveVolumeToFileInMemory(ptr long ptr ptr ptr)
@ stub D3DXSaveVolumeToFileW(ptr long ptr ptr ptr)
@ stdcall D3DXSHAdd(ptr long ptr ptr)
-@ stub D3DXSHDot(long ptr ptr)
+@ stdcall D3DXSHDot(long ptr ptr)
@ stub D3DXSHEvalConeLight(long ptr long long long long ptr ptr ptr)
@ stub D3DXSHEvalDirection(ptr long ptr)
@ stub D3DXSHEvalDirectionalLight(long ptr long long long long ptr ptr ptr)
diff --git a/dlls/d3dx9_36/math.c b/dlls/d3dx9_36/math.c
index 529665b..28958ae 100644
--- a/dlls/d3dx9_36/math.c
+++ b/dlls/d3dx9_36/math.c
@@ -1981,6 +1981,20 @@ FLOAT* WINAPI D3DXSHAdd(FLOAT *out, UINT order, const FLOAT *a, const FLOAT *b)
return out;
}
+FLOAT WINAPI D3DXSHDot(UINT order, CONST FLOAT *a, CONST FLOAT *b)
+{
+ FLOAT s;
+ UINT i;
+
+ TRACE("order %u, a %p, b %p\n", order, a, b);
+
+ s = a[0] * b[0];
+ for (i = 1; i < order * order; i++)
+ s += a[i] * b[i];
+
+ return s;
+}
+
FLOAT* WINAPI D3DXSHMultiply3(FLOAT *out, CONST FLOAT *a, CONST FLOAT *b)
{
FLOAT t, ta, tb;
diff --git a/dlls/d3dx9_36/tests/math.c b/dlls/d3dx9_36/tests/math.c
index 70290bf..cc6170f 100644
--- a/dlls/d3dx9_36/tests/math.c
+++ b/dlls/d3dx9_36/tests/math.c
@@ -2399,6 +2399,29 @@ static void test_D3DXSHAdd(void)
}
}
+static void test_D3DXSHDot(void)
+{
+ unsigned int i;
+ FLOAT a[64], b[64], got;
+ CONST FLOAT expected[] =
+ { 0.5f, 0.5f, 25.0f, 262.5f, 1428.0f, 5362.0f, 15873.0f, 39812.0f, 88400.0f, };
+
+ for (i = 0; i < 64; i++)
+ {
+ a[i] = (FLOAT)i + 1.0f;
+ b[i] = (FLOAT)i + 0.5f;
+ }
+
+ /* D3DXSHDot computes by using order * order elements */
+ for (i = 0; i < 9; i++)
+ {
+ got = D3DXSHDot(i, a, b);
+ ok(relative_error(got, expected[i]) < admitted_error, "order %d: expected %f, received %f\n", i, expected[i], got);
+ }
+
+ return;
+}
+
static void test_D3DXSHMultiply3(void)
{
unsigned int i;
@@ -2438,5 +2461,6 @@ START_TEST(math)
test_D3DXVec_Array();
test_D3DXFloat_Array();
test_D3DXSHAdd();
+ test_D3DXSHDot();
test_D3DXSHMultiply3();
}
diff --git a/include/d3dx9math.h b/include/d3dx9math.h
index b650b48..0cffad4 100644
--- a/include/d3dx9math.h
+++ b/include/d3dx9math.h
@@ -378,6 +378,7 @@ D3DXFLOAT16 *WINAPI D3DXFloat32To16Array(D3DXFLOAT16 *pout, CONST FLOAT *pin, UI
FLOAT *WINAPI D3DXFloat16To32Array(FLOAT *pout, CONST D3DXFLOAT16 *pin, UINT n);
FLOAT* WINAPI D3DXSHAdd(FLOAT *out, UINT order, CONST FLOAT *a, CONST FLOAT *b);
+FLOAT WINAPI D3DXSHDot(UINT order, CONST FLOAT *a, CONST FLOAT *b);
FLOAT* WINAPI D3DXSHMultiply3(FLOAT *out, CONST FLOAT *a, CONST FLOAT *b);
#ifdef __cplusplus
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