David Adam : d3dx8: Implement D3DXMatrixAffineTransformation2D.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4f1d5c26d1fc8bbb6dbd8a34699fb80a192ae4e3
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=4f1d5c26d1fc8bbb6dbd8a3469...

Author: David Adam <david.adam.cnrs(a)gmail.com>
Date:   Wed Nov 12 18:54:50 2008 +0100

d3dx8: Implement D3DXMatrixAffineTransformation2D.

---

 dlls/d3dx9_36/d3dx9_36.spec |    2 +-
 dlls/d3dx9_36/math.c        |   47 +++++++++++++
 dlls/d3dx9_36/tests/math.c  |  160 ++++++++++++++++++++++++++++++++++++++++++-
 include/d3dx9math.h         |    1 +
 4 files changed, 208 insertions(+), 2 deletions(-)

diff --git a/dlls/d3dx9_36/d3dx9_36.spec b/dlls/d3dx9_36/d3dx9_36.spec
index 2e68ba2..9058dd7 100644
--- a/dlls/d3dx9_36/d3dx9_36.spec
+++ b/dlls/d3dx9_36/d3dx9_36.spec
@@ -197,7 +197,7 @@
 @ stub D3DXLoadVolumeFromResourceW
 @ stub D3DXLoadVolumeFromVolume
 @ stdcall D3DXMatrixAffineTransformation(ptr long ptr ptr ptr) d3dx8.D3DXMatrixAffineTransformation
-@ stub D3DXMatrixAffineTransformation2D
+@ stdcall D3DXMatrixAffineTransformation2D(ptr long ptr long ptr)
 @ stdcall D3DXMatrixDecompose(ptr ptr ptr ptr)
 @ stdcall D3DXMatrixDeterminant(ptr) d3dx8.D3DXMatrixfDeterminant
 @ stdcall D3DXMatrixInverse(ptr ptr ptr) d3dx8.D3DXMatrixInverse
diff --git a/dlls/d3dx9_36/math.c b/dlls/d3dx9_36/math.c
index cbfac84..b5cdde2 100644
--- a/dlls/d3dx9_36/math.c
+++ b/dlls/d3dx9_36/math.c
@@ -29,6 +29,53 @@
 WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
 
 /*************************************************************************
+ * D3DXMatrixAffineTransformation2D
+ */
+D3DXMATRIX* WINAPI D3DXMatrixAffineTransformation2D(
+    D3DXMATRIX *pout, FLOAT scaling,
+    CONST D3DXVECTOR2 *protationcenter, FLOAT rotation,
+    CONST D3DXVECTOR2 *ptranslation)
+{
+    D3DXQUATERNION rot;
+    D3DXVECTOR3 rot_center, trans;
+
+    rot.w=cos(rotation/2.0f);
+    rot.x=0.0f;
+    rot.y=0.0f;
+    rot.z=sin(rotation/2.0f);
+
+    if ( protationcenter )
+    {
+        rot_center.x=protationcenter->x;
+        rot_center.y=protationcenter->y;
+        rot_center.z=0.0f;
+    }
+    else
+    {
+        rot_center.x=0.0f;
+        rot_center.y=0.0f;
+        rot_center.z=0.0f;
+    }
+
+    if ( ptranslation )
+    {
+        trans.x=ptranslation->x;
+        trans.y=ptranslation->y;
+        trans.z=0.0f;
+    }
+    else
+    {
+        trans.x=0.0f;
+        trans.y=0.0f;
+        trans.z=0.0f;
+    }
+
+    D3DXMatrixAffineTransformation(pout, scaling, &rot_center, &rot, &trans);
+
+    return pout;
+}
+
+/*************************************************************************
  * D3DXMatrixDecompose
  */
 HRESULT WINAPI D3DXMatrixDecompose(D3DXVECTOR3 *poutscale, D3DXQUATERNION *poutrotation, D3DXVECTOR3 *pouttranslation, D3DXMATRIX *pm)
diff --git a/dlls/d3dx9_36/tests/math.c b/dlls/d3dx9_36/tests/math.c
index ff5e110..2930d34 100644
--- a/dlls/d3dx9_36/tests/math.c
+++ b/dlls/d3dx9_36/tests/math.c
@@ -17,7 +17,7 @@
  */
 
 #include "wine/test.h"
-#include "d3dx9math.h"
+#include "d3dx9.h"
 
 #define ARRAY_SIZE 5
 
@@ -25,6 +25,38 @@
 
 #define relative_error(exp, out) ((exp == out) ? 0.0f : (fabs(out - exp) / fabs(exp)))
 
+static inline BOOL compare_matrix(const D3DXMATRIX *m1, const D3DXMATRIX *m2)
+{
+    int i, j;
+
+    for (i = 0; i < 4; ++i)
+    {
+        for (j = 0; j < 4; ++j)
+        {
+            if (fabs(U(*m1).m[i][j] - U(*m2).m[i][j]) > admitted_error)
+                return FALSE;
+        }
+    }
+
+    return TRUE;
+}
+
+#define expect_mat(expectedmat, gotmat) \
+do { \
+    const D3DXMATRIX *__m1 = (expectedmat); \
+    const D3DXMATRIX *__m2 = (gotmat); \
+    ok(compare_matrix(__m1, __m2), "Expected matrix=\n(%f,%f,%f,%f\n %f,%f,%f,%f\n %f,%f,%f,%f\n %f,%f,%f,%f\n)\n\n" \
+            "Got matrix=\n(%f,%f,%f,%f\n %f,%f,%f,%f\n %f,%f,%f,%f\n %f,%f,%f,%f)\n", \
+            U(*__m1).m[0][0], U(*__m1).m[0][1], U(*__m1).m[0][2], U(*__m1).m[0][3], \
+            U(*__m1).m[1][0], U(*__m1).m[1][1], U(*__m1).m[1][2], U(*__m1).m[1][3], \
+            U(*__m1).m[2][0], U(*__m1).m[2][1], U(*__m1).m[2][2], U(*__m1).m[2][3], \
+            U(*__m1).m[3][0], U(*__m1).m[3][1], U(*__m1).m[3][2], U(*__m1).m[3][3], \
+            U(*__m2).m[0][0], U(*__m2).m[0][1], U(*__m2).m[0][2], U(*__m2).m[0][3], \
+            U(*__m2).m[1][0], U(*__m2).m[1][1], U(*__m2).m[1][2], U(*__m2).m[1][3], \
+            U(*__m2).m[2][0], U(*__m2).m[2][1], U(*__m2).m[2][2], U(*__m2).m[2][3], \
+            U(*__m2).m[3][0], U(*__m2).m[3][1], U(*__m2).m[3][2], U(*__m2).m[3][3]); \
+} while(0)
+
 #define compare_rotation(exp, got) \
     ok(fabs(exp.w - got.w) < admitted_error && \
        fabs(exp.x - got.x) < admitted_error && \
@@ -88,6 +120,131 @@
  *     says so too).
  */
 
+static void test_Matrix_AffineTransformation2D(void)
+{
+    D3DXMATRIX exp_mat, got_mat;
+    D3DXVECTOR2 center, position;
+    FLOAT angle, scale;
+
+    center.x = 3.0f;
+    center.y = 4.0f;
+
+    position.x = -6.0f;
+    position.y = 7.0f;
+
+    angle = D3DX_PI/3.0f;
+
+    scale = 20.0f;
+
+    exp_mat.m[0][0] = 10.0f;
+    exp_mat.m[1][0] = -17.320507f;
+    exp_mat.m[2][0] = 0.0f;
+    exp_mat.m[3][0] = -1.035898f;
+    exp_mat.m[0][1] = 17.320507f;
+    exp_mat.m[1][1] = 10.0f;
+    exp_mat.m[2][1] = 0.0f;
+    exp_mat.m[3][1] = 6.401924f;
+    exp_mat.m[0][2] = 0.0f;
+    exp_mat.m[1][2] = 0.0f;
+    exp_mat.m[2][2] = 20.0f;
+    exp_mat.m[3][2] = 0.0f;
+    exp_mat.m[0][3] = 0.0f;
+    exp_mat.m[1][3] = 0.0f;
+    exp_mat.m[2][3] = 0.0f;
+    exp_mat.m[3][3] = 1.0f;
+
+    D3DXMatrixAffineTransformation2D(&got_mat, scale, ¢er, angle, &position);
+
+    expect_mat(&exp_mat, &got_mat);
+
+/*______________*/
+
+    center.x = 3.0f;
+    center.y = 4.0f;
+
+    angle = D3DX_PI/3.0f;
+
+    scale = 20.0f;
+
+    exp_mat.m[0][0] = 10.0f;
+    exp_mat.m[1][0] = -17.320507f;
+    exp_mat.m[2][0] = 0.0f;
+    exp_mat.m[3][0] = 4.964102f;
+    exp_mat.m[0][1] = 17.320507f;
+    exp_mat.m[1][1] = 10.0f;
+    exp_mat.m[2][1] = 0.0f;
+    exp_mat.m[3][1] = -0.598076f;
+    exp_mat.m[0][2] = 0.0f;
+    exp_mat.m[1][2] = 0.0f;
+    exp_mat.m[2][2] = 20.0f;
+    exp_mat.m[3][2] = 0.0f;
+    exp_mat.m[0][3] = 0.0f;
+    exp_mat.m[1][3] = 0.0f;
+    exp_mat.m[2][3] = 0.0f;
+    exp_mat.m[3][3] = 1.0f;
+
+    D3DXMatrixAffineTransformation2D(&got_mat, scale, ¢er, angle, NULL);
+
+    expect_mat(&exp_mat, &got_mat);
+
+/*______________*/
+
+    position.x = -6.0f;
+    position.y = 7.0f;
+
+    angle = D3DX_PI/3.0f;
+
+    scale = 20.0f;
+
+    exp_mat.m[0][0] = 10.0f;
+    exp_mat.m[1][0] = -17.320507f;
+    exp_mat.m[2][0] = 0.0f;
+    exp_mat.m[3][0] = -6.0f;
+    exp_mat.m[0][1] = 17.320507f;
+    exp_mat.m[1][1] = 10.0f;
+    exp_mat.m[2][1] = 0.0f;
+    exp_mat.m[3][1] = 7.0f;
+    exp_mat.m[0][2] = 0.0f;
+    exp_mat.m[1][2] = 0.0f;
+    exp_mat.m[2][2] = 20.0f;
+    exp_mat.m[3][2] = 0.0f;
+    exp_mat.m[0][3] = 0.0f;
+    exp_mat.m[1][3] = 0.0f;
+    exp_mat.m[2][3] = 0.0f;
+    exp_mat.m[3][3] = 1.0f;
+
+    D3DXMatrixAffineTransformation2D(&got_mat, scale, NULL, angle, &position);
+
+    expect_mat(&exp_mat, &got_mat);
+
+/*______________*/
+
+    angle = 5.0f * D3DX_PI/4.0f;
+
+    scale = -20.0f;
+
+    exp_mat.m[0][0] = 14.142133f;
+    exp_mat.m[1][0] = -14.142133f;
+    exp_mat.m[2][0] = 0.0f;
+    exp_mat.m[3][0] = 0.0f;
+    exp_mat.m[0][1] = 14.142133;
+    exp_mat.m[1][1] = 14.142133f;
+    exp_mat.m[2][1] = 0.0f;
+    exp_mat.m[3][1] = 0.0f;
+    exp_mat.m[0][2] = 0.0f;
+    exp_mat.m[1][2] = 0.0f;
+    exp_mat.m[2][2] = -20.0f;
+    exp_mat.m[3][2] = 0.0f;
+    exp_mat.m[0][3] = 0.0f;
+    exp_mat.m[1][3] = 0.0f;
+    exp_mat.m[2][3] = 0.0f;
+    exp_mat.m[3][3] = 1.0f;
+
+    D3DXMatrixAffineTransformation2D(&got_mat, scale, NULL, angle, NULL);
+
+    expect_mat(&exp_mat, &got_mat);
+}
+
 static void test_Matrix_Decompose(void)
 {
     D3DXMATRIX pm;
@@ -566,6 +723,7 @@ static void test_D3DXVec_Array(void)
 
 START_TEST(math)
 {
+    test_Matrix_AffineTransformation2D();
     test_Matrix_Decompose();
     test_D3DXVec_Array();
 }
diff --git a/include/d3dx9math.h b/include/d3dx9math.h
index 54e7762..9992919 100644
--- a/include/d3dx9math.h
+++ b/include/d3dx9math.h
@@ -267,6 +267,7 @@ D3DXCOLOR* WINAPI D3DXColorAdjustContrast(D3DXCOLOR *pout, CONST D3DXCOLOR *pc,
 D3DXCOLOR* WINAPI D3DXColorAdjustSaturation(D3DXCOLOR *pout, CONST D3DXCOLOR *pc, FLOAT s);
 
 D3DXMATRIX* WINAPI D3DXMatrixAffineTransformation(D3DXMATRIX *pout, float scaling, D3DXVECTOR3 *rotationcenter, D3DXQUATERNION *rotation, D3DXVECTOR3 *translation);
+D3DXMATRIX* WINAPI D3DXMatrixAffineTransformation2D(D3DXMATRIX *pout, FLOAT scaling, CONST D3DXVECTOR2 *protationcenter, FLOAT rotation, CONST D3DXVECTOR2 *ptranslation);
 HRESULT WINAPI D3DXMatrixDecompose(D3DXVECTOR3 *poutscale, D3DXQUATERNION *poutrotation, D3DXVECTOR3 *pouttranslation, D3DXMATRIX *pm);
 FLOAT WINAPI D3DXMatrixDeterminant(CONST D3DXMATRIX *pm);
 D3DXMATRIX* WINAPI D3DXMatrixInverse(D3DXMATRIX *pout, FLOAT *pdeterminant, CONST D3DXMATRIX *pm);