Enumeration of ZBuffer formats

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Hi all,

This patch add enumeration of one dummy Z buffer format... This is enough to
fool most applications (ie the ones that do NOT lock the Z Buffer).

Changelog:
 - add enumeration of ZBuffer format

-- 
		 Lionel Ulmer - http://www.bbrox.org/
Index: dlls/ddraw/direct3d/mesa.c
===================================================================
RCS file: /home/wine/wine/dlls/ddraw/direct3d/mesa.c,v
retrieving revision 1.15
diff -u -r1.15 mesa.c
--- dlls/ddraw/direct3d/mesa.c	24 Nov 2002 22:33:41 -0000	1.15
+++ dlls/ddraw/direct3d/mesa.c	28 Nov 2002 21:30:56 -0000
@@ -267,6 +267,32 @@
     return d3ddevice_find(This, lpD3DDFS, lpD3DFDR, 3);
 }
 
+HRESULT WINAPI
+GL_IDirect3DImpl_7_3T_EnumZBufferFormats(LPDIRECT3D7 iface,
+					 REFCLSID riidDevice,
+					 LPD3DENUMPIXELFORMATSCALLBACK lpEnumCallback,
+					 LPVOID lpContext)
+{
+    ICOM_THIS_FROM(IDirect3DImpl, IDirect3D7, iface);
+    DDPIXELFORMAT pformat;
+    
+    TRACE("(%p/%p)->(%s,%p,%p)\n", This, iface, debugstr_guid(riidDevice), lpEnumCallback, lpContext);
+
+    memset(&pformat, 0, sizeof(pformat));
+    pformat.dwSize = sizeof(DDPIXELFORMAT);
+    pformat.dwFourCC = 0;   
+    TRACE("Enumerating dummy ZBuffer format (16 bits)\n");
+    pformat.dwFlags = DDPF_ZBUFFER;
+    pformat.u1.dwZBufferBitDepth = 16;
+    pformat.u3.dwZBitMask =    0x0000FFFF;
+    pformat.u5.dwRGBZBitMask = 0x0000FFFF;
+
+    /* Whatever the return value, stop here.. */
+    lpEnumCallback(&pformat, lpContext);
+    
+    return D3D_OK;
+}
+
 static void light_released(IDirect3DImpl *This, GLenum light_num)
 {
     IDirect3DGLImpl *glThis = (IDirect3DGLImpl *) This;
@@ -288,7 +314,7 @@
     XCAST(EnumDevices) Main_IDirect3DImpl_7_EnumDevices,
     XCAST(CreateDevice) Main_IDirect3DImpl_7_CreateDevice,
     XCAST(CreateVertexBuffer) Main_IDirect3DImpl_7_3T_CreateVertexBuffer,
-    XCAST(EnumZBufferFormats) Main_IDirect3DImpl_7_3T_EnumZBufferFormats,
+    XCAST(EnumZBufferFormats) GL_IDirect3DImpl_7_3T_EnumZBufferFormats,
     XCAST(EvictManagedTextures) Main_IDirect3DImpl_7_3T_EvictManagedTextures,
 };
 

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