[PATCH] Implement basic functions for MatrixStack

[David Adam]

---
 dlls/d3dx8/d3dx8_private.h |   15 +++++++++++++++
 dlls/d3dx8/math.c          |   42 +++++++++++++++++++++++++++++++++++++++++=
-
 2 files changed, 56 insertions(+), 1 deletions(-)

diff --git a/dlls/d3dx8/d3dx8_private.h b/dlls/d3dx8/d3dx8_private.h
index 63cc91e..29df662 100644
--- a/dlls/d3dx8/d3dx8_private.h
+++ b/dlls/d3dx8/d3dx8_private.h
@@ -30,6 +30,7 @@
 /* Interfaces */
 typedef struct ID3DXBufferImpl ID3DXBufferImpl;
 typedef struct ID3DXFontImpl   ID3DXFontImpl;
+typedef struct ID3DXMatrixStackImpl ID3DXMatrixStackImpl;
=20
 /* ----------- */
 /* ID3DXBuffer */
@@ -70,4 +71,18 @@ struct ID3DXFontImpl
   /* ID3DXFont fields */
 };
=20
+/* ----------- */
+/* ID3DXMatrix */
+/* ----------- */
+
+/**************************************************************************=
***
+ * ID3DXMatrixStackImpl implementation structure
+ */
+struct ID3DXMatrixStackImpl
+{
+  /* IUnknown fields */
+  const ID3DXMatrixStackVtbl *lpVtbl;
+  LONG                   ref;
+};
+
 #endif /*__WINE_D3DX8_PRIVATE_H */
diff --git a/dlls/d3dx8/math.c b/dlls/d3dx8/math.c
index 18115b4..c8b5ebd 100644
--- a/dlls/d3dx8/math.c
+++ b/dlls/d3dx8/math.c
@@ -26,7 +26,7 @@
 #include "windef.h"
 #include "winbase.h"
 #include "wingdi.h"
-#include "d3dx8.h"
+#include "d3dx8_private.h"
=20
 #include "wine/debug.h"
=20
@@ -583,6 +583,46 @@ D3DXMATRIX* WINAPI D3DXMatrixTranspose(D3DXMATRIX *pout=
, CONST D3DXMATRIX *pm)
     return pout;
 }
=20
+/*_________________D3DXMatrixStack____________________*/
+
+ULONG WINAPI ID3DXMatrixStackImpl_AddRef(ID3DXMatrixStack* iface)
+{
+    ID3DXMatrixStackImpl *This =3D (ID3DXMatrixStackImpl *)iface;
+    ULONG ref =3D InterlockedIncrement(&This->ref);
+    TRACE("(%p) : AddRef from %d\n", This, ref - 1);
+    return ref;
+}
+
+HRESULT WINAPI ID3DXMatrixStackImpl_QueryInterface(ID3DXMatrixStack *iface,=
 REFIID riid, void **ppobj)
+{
+    ID3DXMatrixStackImpl *This =3D (ID3DXMatrixStackImpl *)iface;
+    if (IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_ID3DXMat=
rixStack))
+    {
+     ID3DXMatrixStack_AddRef(iface);
+     *ppobj =3D This;
+     return S_OK;
+    }
+    *ppobj =3D NULL;
+    ERR("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
+    return E_NOINTERFACE;
+}
+
+ULONG WINAPI ID3DXMatrixStackImpl_Release(ID3DXMatrixStack* iface)
+{
+    ID3DXMatrixStackImpl *This =3D (ID3DXMatrixStackImpl *)iface;
+    ULONG ref =3D InterlockedDecrement(&This->ref);
+    if ( !ref ) HeapFree(GetProcessHeap(), 0, This);
+    TRACE("(%p) : ReleaseRef to %d\n", This, ref);
+    return ref;
+}
+
+static const ID3DXMatrixStackVtbl ID3DXMatrixStack_Vtbl =3D
+{
+    ID3DXMatrixStackImpl_QueryInterface,
+    ID3DXMatrixStackImpl_AddRef,
+    ID3DXMatrixStackImpl_Release
+};
+
 /*_________________D3DXPLANE________________*/
=20
 D3DXPLANE* WINAPI D3DXPlaneFromPointNormal(D3DXPLANE *pout, CONST D3DXVECTO=
R3 *pvpoint, CONST D3DXVECTOR3 *pvnormal)
--=20
1.5.3.2


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