- Don't string copy from uninitialised stack memory. In fact don't
[wine] / dlls / ddraw / dsurface / fakezbuffer.c
1 /*              DirectDraw/Direct3D Z-Buffer stand in
2  *
3  * Copyright 2000 TransGaming Technologies Inc.
4  *
5  * This class provides a DirectDrawSurface implementation that represents
6  * a Z-Buffer surface. However it does not store an image and does not
7  * support Lock/Unlock or GetDC. It is merely a placeholder required by the
8  * Direct3D architecture.
9  */
10
11 #include "config.h"
12
13 #include <stdlib.h>
14 #include <assert.h>
15
16 #include "ddraw.h"
17 #include "d3d.h"
18
19 #include "debugtools.h"
20
21 #include "ddcomimpl.h"
22 #include "ddraw_private.h"
23 #include "dsurface/main.h"
24 #include "dsurface/fakezbuffer.h"
25
26 DEFAULT_DEBUG_CHANNEL(ddraw);
27
28 static ICOM_VTABLE(IDirectDrawSurface7) FakeZBuffer_IDirectDrawSurface7_VTable;
29
30 HRESULT FakeZBuffer_DirectDrawSurface_Construct(IDirectDrawSurfaceImpl *This,
31                                                 IDirectDrawImpl *pDD,
32                                                 const DDSURFACEDESC2 *pDDSD)
33 {
34     HRESULT hr;
35
36     assert(pDDSD->ddsCaps.dwCaps & DDSCAPS_ZBUFFER);
37
38     hr = Main_DirectDrawSurface_Construct(This, pDD, pDDSD);
39     if (FAILED(hr)) return hr;
40
41     ICOM_INIT_INTERFACE(This, IDirectDrawSurface7,
42                         FakeZBuffer_IDirectDrawSurface7_VTable);
43
44     This->final_release = FakeZBuffer_DirectDrawSurface_final_release;
45     This->duplicate_surface = FakeZBuffer_DirectDrawSurface_duplicate_surface;
46
47     return DD_OK;
48 }
49
50 /* Not an API */
51 HRESULT FakeZBuffer_DirectDrawSurface_Create(IDirectDrawImpl* pDD,
52                                              const DDSURFACEDESC2* pDDSD,
53                                              LPDIRECTDRAWSURFACE7* ppSurf,
54                                              IUnknown* pUnkOuter)
55 {
56     IDirectDrawSurfaceImpl* This;
57     HRESULT hr;
58     assert(pUnkOuter == NULL);
59
60     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
61                      sizeof(*This)
62                      + sizeof(FakeZBuffer_DirectDrawSurfaceImpl));
63     if (This == NULL) return E_OUTOFMEMORY;
64
65     This->private = (FakeZBuffer_DirectDrawSurfaceImpl*)(This+1);
66
67     hr = FakeZBuffer_DirectDrawSurface_Construct(This, pDD, pDDSD);
68     if (FAILED(hr))
69         HeapFree(GetProcessHeap(), 0, This);
70     else
71         *ppSurf = ICOM_INTERFACE(This, IDirectDrawSurface7);
72
73     return hr;
74 }
75
76 void
77 FakeZBuffer_DirectDrawSurface_final_release(IDirectDrawSurfaceImpl* This)
78 {
79     return Main_DirectDrawSurface_final_release(This);
80 }
81
82 HRESULT
83 FakeZBuffer_DirectDrawSurface_duplicate_surface(IDirectDrawSurfaceImpl* This,
84                                                 LPDIRECTDRAWSURFACE7* ppDup)
85 {
86     return FakeZBuffer_DirectDrawSurface_Create(This->ddraw_owner,
87                                                 &This->surface_desc, ppDup,
88                                                 NULL);
89 }
90
91 /* put your breakpoint/abort call here */
92 static HRESULT cant_do_that(const char *s)
93 {
94     FIXME("attempt to %s fake z-buffer\n", s);
95     return DDERR_UNSUPPORTED;
96 }
97
98 HRESULT WINAPI
99 FakeZBuffer_DirectDrawSurface_Blt(LPDIRECTDRAWSURFACE7 iface, LPRECT rdst,
100                                   LPDIRECTDRAWSURFACE7 src, LPRECT rsrc,
101                                   DWORD dwFlags, LPDDBLTFX lpbltfx)
102 {
103     return cant_do_that("blt to a");
104 }
105
106 HRESULT WINAPI
107 FakeZBuffer_DirectDrawSurface_BltFast(LPDIRECTDRAWSURFACE7 iface, DWORD dstx,
108                                       DWORD dsty, LPDIRECTDRAWSURFACE7 src,
109                                       LPRECT rsrc, DWORD trans)
110 {
111     return cant_do_that("bltfast to a");
112 }
113
114 HRESULT WINAPI
115 FakeZBuffer_DirectDrawSurface_GetDC(LPDIRECTDRAWSURFACE7 iface, HDC *phDC)
116 {
117     return cant_do_that("get a DC for a");
118 }
119
120 HRESULT WINAPI
121 FakeZBuffer_DirectDrawSurface_ReleaseDC(LPDIRECTDRAWSURFACE7 iface, HDC hDC)
122 {
123     return cant_do_that("release a DC for a");
124 }
125
126 HRESULT WINAPI
127 FakeZBuffer_DirectDrawSurface_Restore(LPDIRECTDRAWSURFACE7 iface)
128 {
129     return DD_OK;
130 }
131
132 HRESULT WINAPI
133 FakeZBuffer_DirectDrawSurface_SetSurfaceDesc(LPDIRECTDRAWSURFACE7 iface,
134                                              LPDDSURFACEDESC2 pDDSD,
135                                              DWORD dwFlags)
136 {
137     /* XXX */
138     abort();
139     return E_FAIL;
140 }
141
142
143 static ICOM_VTABLE(IDirectDrawSurface7) FakeZBuffer_IDirectDrawSurface7_VTable=
144 {
145     Main_DirectDrawSurface_QueryInterface,
146     Main_DirectDrawSurface_AddRef,
147     Main_DirectDrawSurface_Release,
148     Main_DirectDrawSurface_AddAttachedSurface,
149     Main_DirectDrawSurface_AddOverlayDirtyRect,
150     FakeZBuffer_DirectDrawSurface_Blt,
151     Main_DirectDrawSurface_BltBatch,
152     FakeZBuffer_DirectDrawSurface_BltFast,
153     Main_DirectDrawSurface_DeleteAttachedSurface,
154     Main_DirectDrawSurface_EnumAttachedSurfaces,
155     Main_DirectDrawSurface_EnumOverlayZOrders,
156     Main_DirectDrawSurface_Flip,
157     Main_DirectDrawSurface_GetAttachedSurface,
158     Main_DirectDrawSurface_GetBltStatus,
159     Main_DirectDrawSurface_GetCaps,
160     Main_DirectDrawSurface_GetClipper,
161     Main_DirectDrawSurface_GetColorKey,
162     FakeZBuffer_DirectDrawSurface_GetDC,
163     Main_DirectDrawSurface_GetFlipStatus,
164     Main_DirectDrawSurface_GetOverlayPosition,
165     Main_DirectDrawSurface_GetPalette,
166     Main_DirectDrawSurface_GetPixelFormat,
167     Main_DirectDrawSurface_GetSurfaceDesc,
168     Main_DirectDrawSurface_Initialize,
169     Main_DirectDrawSurface_IsLost,
170     Main_DirectDrawSurface_Lock,
171     FakeZBuffer_DirectDrawSurface_ReleaseDC,
172     FakeZBuffer_DirectDrawSurface_Restore,
173     Main_DirectDrawSurface_SetClipper,
174     Main_DirectDrawSurface_SetColorKey,
175     Main_DirectDrawSurface_SetOverlayPosition,
176     Main_DirectDrawSurface_SetPalette,
177     Main_DirectDrawSurface_Unlock,
178     Main_DirectDrawSurface_UpdateOverlay,
179     Main_DirectDrawSurface_UpdateOverlayDisplay,
180     Main_DirectDrawSurface_UpdateOverlayZOrder,
181     Main_DirectDrawSurface_GetDDInterface,
182     Main_DirectDrawSurface_PageLock,
183     Main_DirectDrawSurface_PageUnlock,
184     FakeZBuffer_DirectDrawSurface_SetSurfaceDesc,
185     Main_DirectDrawSurface_SetPrivateData,
186     Main_DirectDrawSurface_GetPrivateData,
187     Main_DirectDrawSurface_FreePrivateData,
188     Main_DirectDrawSurface_GetUniquenessValue,
189     Main_DirectDrawSurface_ChangeUniquenessValue,
190     Main_DirectDrawSurface_SetPriority,
191     Main_DirectDrawSurface_GetPriority,
192     Main_DirectDrawSurface_SetLOD,
193     Main_DirectDrawSurface_GetLOD
194 };