d3dx9_36/tests: Avoid a potential out of bound access.
[wine] / dlls / ddraw / ddraw_private.h
1 /*
2  * Copyright 2006 Stefan Dösinger
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17  */
18
19 #ifndef __WINE_DLLS_DDRAW_DDRAW_PRIVATE_H
20 #define __WINE_DLLS_DDRAW_DDRAW_PRIVATE_H
21
22 #include <assert.h>
23 #define COBJMACROS
24 #define NONAMELESSSTRUCT
25 #define NONAMELESSUNION
26 #include "wine/debug.h"
27
28 #include "winbase.h"
29 #include "wingdi.h"
30 #include "winuser.h"
31
32 #include "d3d.h"
33 #include "ddraw.h"
34 #ifdef DDRAW_INIT_GUID
35 #include "initguid.h"
36 #endif
37 #include "wine/list.h"
38 #include "wine/wined3d.h"
39
40 extern const struct wined3d_parent_ops ddraw_null_wined3d_parent_ops DECLSPEC_HIDDEN;
41 extern DWORD force_refresh_rate DECLSPEC_HIDDEN;
42
43 /*****************************************************************************
44  * IDirectDraw implementation structure
45  *****************************************************************************/
46 struct FvfToDecl
47 {
48     DWORD fvf;
49     struct wined3d_vertex_declaration *decl;
50 };
51
52 struct ddraw
53 {
54     /* Interfaces */
55     IDirectDraw7 IDirectDraw7_iface;
56     IDirectDraw4 IDirectDraw4_iface;
57     IDirectDraw2 IDirectDraw2_iface;
58     IDirectDraw IDirectDraw_iface;
59     IDirect3D7 IDirect3D7_iface;
60     IDirect3D3 IDirect3D3_iface;
61     IDirect3D2 IDirect3D2_iface;
62     IDirect3D IDirect3D_iface;
63     struct wined3d_device_parent device_parent;
64
65     /* See comment in IDirectDraw::AddRef */
66     LONG                    ref7, ref4, ref2, ref3, ref1, numIfaces;
67     BOOL initialized;
68
69     struct wined3d *wined3d;
70     struct wined3d_device *wined3d_device;
71     BOOL                    d3d_initialized;
72
73     struct ddraw_surface *primary;
74     RECT primary_lock;
75     struct wined3d_surface *wined3d_frontbuffer;
76     struct wined3d_swapchain *wined3d_swapchain;
77     HWND swapchain_window;
78
79     /* DirectDraw things, which are not handled by WineD3D */
80     DWORD                   cooperative_level;
81
82     DWORD                   orig_width, orig_height;
83     DWORD                   orig_bpp;
84
85     /* D3D things */
86     HWND                    d3d_window;
87     struct d3d_device *d3ddevice;
88     int                     d3dversion;
89
90     /* Various HWNDs */
91     HWND                    focuswindow;
92     HWND                    devicewindow;
93     HWND                    dest_window;
94
95     /* For the dll unload cleanup code */
96     struct list ddraw_list_entry;
97     /* The surface list - can't relay this to WineD3D
98      * because of IParent
99      */
100     struct list surface_list;
101
102     /* FVF management */
103     struct FvfToDecl       *decls;
104     UINT                    numConvertedDecls, declArraySize;
105 };
106
107 #define DDRAW_WINDOW_CLASS_NAME "DirectDrawDeviceWnd"
108
109 HRESULT ddraw_init(struct ddraw *ddraw, enum wined3d_device_type device_type) DECLSPEC_HIDDEN;
110 void ddraw_destroy_swapchain(struct ddraw *ddraw) DECLSPEC_HIDDEN;
111
112 static inline void ddraw_set_swapchain_window(struct ddraw *ddraw, HWND window)
113 {
114     if (window == GetDesktopWindow())
115         window = NULL;
116     ddraw->swapchain_window = window;
117 }
118
119 /* Utility functions */
120 void DDRAW_Convert_DDSCAPS_1_To_2(const DDSCAPS *pIn, DDSCAPS2 *pOut) DECLSPEC_HIDDEN;
121 void DDRAW_Convert_DDDEVICEIDENTIFIER_2_To_1(const DDDEVICEIDENTIFIER2 *pIn, DDDEVICEIDENTIFIER *pOut) DECLSPEC_HIDDEN;
122 struct wined3d_vertex_declaration *ddraw_find_decl(struct ddraw *ddraw, DWORD fvf) DECLSPEC_HIDDEN;
123
124 /* The default surface type */
125 extern enum wined3d_surface_type DefaultSurfaceType DECLSPEC_HIDDEN;
126
127 /*****************************************************************************
128  * IDirectDrawSurface implementation structure
129  *****************************************************************************/
130
131 struct ddraw_surface
132 {
133     /* IUnknown fields */
134     IDirectDrawSurface7 IDirectDrawSurface7_iface;
135     IDirectDrawSurface4 IDirectDrawSurface4_iface;
136     IDirectDrawSurface3 IDirectDrawSurface3_iface;
137     IDirectDrawSurface2 IDirectDrawSurface2_iface;
138     IDirectDrawSurface IDirectDrawSurface_iface;
139     IDirectDrawGammaControl IDirectDrawGammaControl_iface;
140     IDirect3DTexture2 IDirect3DTexture2_iface;
141     IDirect3DTexture IDirect3DTexture_iface;
142
143     LONG                     ref7, ref4, ref3, ref2, ref1, iface_count, gamma_count;
144     IUnknown                *ifaceToRelease;
145     IUnknown *texture_outer;
146
147     int                     version;
148
149     /* Connections to other Objects */
150     struct ddraw *ddraw;
151     struct wined3d_surface *wined3d_surface;
152     struct wined3d_texture *wined3d_texture;
153     struct d3d_device *device1;
154
155     /* This implementation handles attaching surfaces to other surfaces */
156     struct ddraw_surface *next_attached;
157     struct ddraw_surface *first_attached;
158     IUnknown                *attached_iface;
159
160     /* Complex surfaces are organized in a tree, although the tree is degenerated to a list in most cases.
161      * In mipmap and primary surfaces each level has only one attachment, which is the next surface level.
162      * Only the cube texture root has 6 surfaces attached, which then have a normal mipmap chain attached
163      * to them. So hardcode the array to 6, a dynamic array or a list would be an overkill.
164      */
165 #define MAX_COMPLEX_ATTACHED 6
166     struct ddraw_surface *complex_array[MAX_COMPLEX_ATTACHED];
167     /* You can't traverse the tree upwards. Only a flag for Surface::Release because its needed there,
168      * but no pointer to prevent temptations to traverse it in the wrong direction.
169      */
170     BOOL                    is_complex_root;
171
172     /* Surface description, for GetAttachedSurface */
173     DDSURFACEDESC2          surface_desc;
174
175     /* Misc things */
176     DWORD                   uniqueness_value;
177     UINT                    mipmap_level;
178
179     /* Clipper objects */
180     struct ddraw_clipper *clipper;
181
182     /* For the ddraw surface list */
183     struct list             surface_list_entry;
184
185     DWORD                   Handle;
186 };
187
188 HRESULT ddraw_surface_create_texture(struct ddraw_surface *surface) DECLSPEC_HIDDEN;
189 HRESULT ddraw_surface_init(struct ddraw_surface *surface, struct ddraw *ddraw,
190         DDSURFACEDESC2 *desc, UINT mip_level, UINT version) DECLSPEC_HIDDEN;
191 ULONG ddraw_surface_release_iface(struct ddraw_surface *This) DECLSPEC_HIDDEN;
192
193 static inline struct ddraw_surface *impl_from_IDirect3DTexture(IDirect3DTexture *iface)
194 {
195     return CONTAINING_RECORD(iface, struct ddraw_surface, IDirect3DTexture_iface);
196 }
197
198 static inline struct ddraw_surface *impl_from_IDirect3DTexture2(IDirect3DTexture2 *iface)
199 {
200     return CONTAINING_RECORD(iface, struct ddraw_surface, IDirect3DTexture2_iface);
201 }
202
203 static inline struct ddraw_surface *impl_from_IDirectDrawSurface(IDirectDrawSurface *iface)
204 {
205     return CONTAINING_RECORD(iface, struct ddraw_surface, IDirectDrawSurface_iface);
206 }
207
208 static inline struct ddraw_surface *impl_from_IDirectDrawSurface2(IDirectDrawSurface2 *iface)
209 {
210     return CONTAINING_RECORD(iface, struct ddraw_surface, IDirectDrawSurface2_iface);
211 }
212
213 static inline struct ddraw_surface *impl_from_IDirectDrawSurface3(IDirectDrawSurface3 *iface)
214 {
215     return CONTAINING_RECORD(iface, struct ddraw_surface, IDirectDrawSurface3_iface);
216 }
217
218 static inline struct ddraw_surface *impl_from_IDirectDrawSurface4(IDirectDrawSurface4 *iface)
219 {
220     return CONTAINING_RECORD(iface, struct ddraw_surface, IDirectDrawSurface4_iface);
221 }
222
223 static inline struct ddraw_surface *impl_from_IDirectDrawSurface7(IDirectDrawSurface7 *iface)
224 {
225     return CONTAINING_RECORD(iface, struct ddraw_surface, IDirectDrawSurface7_iface);
226 }
227
228 struct ddraw_surface *unsafe_impl_from_IDirectDrawSurface(IDirectDrawSurface *iface) DECLSPEC_HIDDEN;
229 struct ddraw_surface *unsafe_impl_from_IDirectDrawSurface4(IDirectDrawSurface4 *iface) DECLSPEC_HIDDEN;
230 struct ddraw_surface *unsafe_impl_from_IDirectDrawSurface7(IDirectDrawSurface7 *iface) DECLSPEC_HIDDEN;
231
232 struct ddraw_surface *unsafe_impl_from_IDirect3DTexture(IDirect3DTexture *iface) DECLSPEC_HIDDEN;
233 struct ddraw_surface *unsafe_impl_from_IDirect3DTexture2(IDirect3DTexture2 *iface) DECLSPEC_HIDDEN;
234
235 #define DDRAW_INVALID_HANDLE ~0U
236
237 enum ddraw_handle_type
238 {
239     DDRAW_HANDLE_FREE,
240     DDRAW_HANDLE_MATERIAL,
241     DDRAW_HANDLE_MATRIX,
242     DDRAW_HANDLE_STATEBLOCK,
243     DDRAW_HANDLE_SURFACE,
244 };
245
246 struct ddraw_handle_entry
247 {
248     void *object;
249     enum ddraw_handle_type type;
250 };
251
252 struct ddraw_handle_table
253 {
254     struct ddraw_handle_entry *entries;
255     struct ddraw_handle_entry *free_entries;
256     UINT table_size;
257     UINT entry_count;
258 };
259
260 BOOL ddraw_handle_table_init(struct ddraw_handle_table *t, UINT initial_size) DECLSPEC_HIDDEN;
261 void ddraw_handle_table_destroy(struct ddraw_handle_table *t) DECLSPEC_HIDDEN;
262 DWORD ddraw_allocate_handle(struct ddraw_handle_table *t, void *object, enum ddraw_handle_type type) DECLSPEC_HIDDEN;
263 void *ddraw_free_handle(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type) DECLSPEC_HIDDEN;
264 void *ddraw_get_object(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type) DECLSPEC_HIDDEN;
265
266 struct d3d_device
267 {
268     /* IUnknown */
269     IDirect3DDevice7 IDirect3DDevice7_iface;
270     IDirect3DDevice3 IDirect3DDevice3_iface;
271     IDirect3DDevice2 IDirect3DDevice2_iface;
272     IDirect3DDevice IDirect3DDevice_iface;
273     IUnknown IUnknown_inner;
274     LONG ref;
275     UINT version;
276
277     IUnknown *outer_unknown;
278     struct wined3d_device *wined3d_device;
279     struct ddraw *ddraw;
280     struct wined3d_buffer *indexbuffer;
281     struct ddraw_surface *target;
282
283     /* Viewport management */
284     struct list viewport_list;
285     struct d3d_viewport *current_viewport;
286     D3DVIEWPORT7 active_viewport;
287
288     /* Required to keep track which of two available texture blending modes in d3ddevice3 is used */
289     BOOL legacyTextureBlending;
290
291     D3DMATRIX legacy_projection;
292     D3DMATRIX legacy_clipspace;
293
294     /* Light state */
295     DWORD material;
296
297     /* Rendering functions to wrap D3D(1-3) to D3D7 */
298     D3DPRIMITIVETYPE primitive_type;
299     DWORD vertex_type;
300     DWORD render_flags;
301     DWORD nb_vertices;
302     LPBYTE vertex_buffer;
303     DWORD vertex_size;
304     DWORD buffer_size;
305
306     /* Handle management */
307     struct ddraw_handle_table handle_table;
308     D3DMATRIXHANDLE          world, proj, view;
309 };
310
311 HRESULT d3d_device_create(struct ddraw *ddraw, struct ddraw_surface *target,
312         UINT version, struct d3d_device **device, IUnknown *outer_unknown) DECLSPEC_HIDDEN;
313 enum wined3d_depth_buffer_type d3d_device_update_depth_stencil(struct d3d_device *device) DECLSPEC_HIDDEN;
314
315 /* The IID */
316 extern const GUID IID_D3DDEVICE_WineD3D DECLSPEC_HIDDEN;
317
318 /* Helper functions */
319 HRESULT IDirect3DImpl_GetCaps(const struct wined3d *wined3d,
320         D3DDEVICEDESC *Desc123, D3DDEVICEDESC7 *Desc7) DECLSPEC_HIDDEN;
321
322 static inline struct d3d_device *impl_from_IDirect3DDevice(IDirect3DDevice *iface)
323 {
324     return CONTAINING_RECORD(iface, struct d3d_device, IDirect3DDevice_iface);
325 }
326
327 static inline struct d3d_device *impl_from_IDirect3DDevice2(IDirect3DDevice2 *iface)
328 {
329     return CONTAINING_RECORD(iface, struct d3d_device, IDirect3DDevice2_iface);
330 }
331
332 static inline struct d3d_device *impl_from_IDirect3DDevice3(IDirect3DDevice3 *iface)
333 {
334     return CONTAINING_RECORD(iface, struct d3d_device, IDirect3DDevice3_iface);
335 }
336
337 static inline struct d3d_device *impl_from_IDirect3DDevice7(IDirect3DDevice7 *iface)
338 {
339     return CONTAINING_RECORD(iface, struct d3d_device, IDirect3DDevice7_iface);
340 }
341
342 struct d3d_device *unsafe_impl_from_IDirect3DDevice(IDirect3DDevice *iface) DECLSPEC_HIDDEN;
343 struct d3d_device *unsafe_impl_from_IDirect3DDevice2(IDirect3DDevice2 *iface) DECLSPEC_HIDDEN;
344 struct d3d_device *unsafe_impl_from_IDirect3DDevice3(IDirect3DDevice3 *iface) DECLSPEC_HIDDEN;
345 struct d3d_device *unsafe_impl_from_IDirect3DDevice7(IDirect3DDevice7 *iface) DECLSPEC_HIDDEN;
346
347 struct ddraw_clipper
348 {
349     IDirectDrawClipper IDirectDrawClipper_iface;
350     LONG ref;
351     HWND window;
352     HRGN region;
353     BOOL initialized;
354 };
355
356 HRESULT ddraw_clipper_init(struct ddraw_clipper *clipper) DECLSPEC_HIDDEN;
357 struct ddraw_clipper *unsafe_impl_from_IDirectDrawClipper(IDirectDrawClipper *iface) DECLSPEC_HIDDEN;
358
359 /*****************************************************************************
360  * IDirectDrawPalette implementation structure
361  *****************************************************************************/
362 struct ddraw_palette
363 {
364     /* IUnknown fields */
365     IDirectDrawPalette IDirectDrawPalette_iface;
366     LONG ref;
367
368     struct wined3d_palette *wineD3DPalette;
369
370     /* IDirectDrawPalette fields */
371     IUnknown                  *ifaceToRelease;
372 };
373
374 static inline struct ddraw_palette *impl_from_IDirectDrawPalette(IDirectDrawPalette *iface)
375 {
376     return CONTAINING_RECORD(iface, struct ddraw_palette, IDirectDrawPalette_iface);
377 }
378
379 struct ddraw_palette *unsafe_impl_from_IDirectDrawPalette(IDirectDrawPalette *iface) DECLSPEC_HIDDEN;
380
381 HRESULT ddraw_palette_init(struct ddraw_palette *palette,
382         struct ddraw *ddraw, DWORD flags, PALETTEENTRY *entries) DECLSPEC_HIDDEN;
383
384 /* Helper structures */
385 struct object_creation_info
386 {
387     const CLSID *clsid;
388     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, REFIID riid,
389                                  void **ppObj);
390 };
391
392 /******************************************************************************
393  * IDirect3DLight implementation structure - Wraps to D3D7
394  ******************************************************************************/
395 struct d3d_light
396 {
397     IDirect3DLight IDirect3DLight_iface;
398     LONG ref;
399
400     /* IDirect3DLight fields */
401     struct ddraw *ddraw;
402
403     /* If this light is active for one viewport, put the viewport here */
404     struct d3d_viewport *active_viewport;
405
406     D3DLIGHT2 light;
407     D3DLIGHT7 light7;
408
409     DWORD dwLightIndex;
410
411     struct list entry;
412 };
413
414 /* Helper functions */
415 void light_activate(struct d3d_light *light) DECLSPEC_HIDDEN;
416 void light_deactivate(struct d3d_light *light) DECLSPEC_HIDDEN;
417 void d3d_light_init(struct d3d_light *light, struct ddraw *ddraw) DECLSPEC_HIDDEN;
418 struct d3d_light *unsafe_impl_from_IDirect3DLight(IDirect3DLight *iface) DECLSPEC_HIDDEN;
419
420 /******************************************************************************
421  * IDirect3DMaterial implementation structure - Wraps to D3D7
422  ******************************************************************************/
423 struct d3d_material
424 {
425     IDirect3DMaterial3 IDirect3DMaterial3_iface;
426     IDirect3DMaterial2 IDirect3DMaterial2_iface;
427     IDirect3DMaterial IDirect3DMaterial_iface;
428     LONG  ref;
429
430     /* IDirect3DMaterial2 fields */
431     struct ddraw *ddraw;
432     struct d3d_device *active_device;
433
434     D3DMATERIAL mat;
435     DWORD Handle;
436 };
437
438 /* Helper functions */
439 void material_activate(struct d3d_material *material) DECLSPEC_HIDDEN;
440 struct d3d_material *d3d_material_create(struct ddraw *ddraw) DECLSPEC_HIDDEN;
441
442 /*****************************************************************************
443  * IDirect3DViewport - Wraps to D3D7
444  *****************************************************************************/
445 struct d3d_viewport
446 {
447     IDirect3DViewport3 IDirect3DViewport3_iface;
448     LONG ref;
449
450     /* IDirect3DViewport fields */
451     struct ddraw *ddraw;
452
453     /* If this viewport is active for one device, put the device here */
454     struct d3d_device *active_device;
455
456     DWORD                     num_lights;
457     DWORD                     map_lights;
458
459     int                       use_vp2;
460
461     union
462     {
463         D3DVIEWPORT vp1;
464         D3DVIEWPORT2 vp2;
465     } viewports;
466
467     struct list entry;
468     struct list light_list;
469     struct d3d_material *background;
470 };
471
472 struct d3d_viewport *unsafe_impl_from_IDirect3DViewport3(IDirect3DViewport3 *iface) DECLSPEC_HIDDEN;
473 struct d3d_viewport *unsafe_impl_from_IDirect3DViewport2(IDirect3DViewport2 *iface) DECLSPEC_HIDDEN;
474 struct d3d_viewport *unsafe_impl_from_IDirect3DViewport(IDirect3DViewport *iface) DECLSPEC_HIDDEN;
475
476 /* Helper functions */
477 void viewport_activate(struct d3d_viewport *viewport, BOOL ignore_lights) DECLSPEC_HIDDEN;
478 void d3d_viewport_init(struct d3d_viewport *viewport, struct ddraw *ddraw) DECLSPEC_HIDDEN;
479
480 /*****************************************************************************
481  * IDirect3DExecuteBuffer - Wraps to D3D7
482  *****************************************************************************/
483 struct d3d_execute_buffer
484 {
485     IDirect3DExecuteBuffer IDirect3DExecuteBuffer_iface;
486     LONG ref;
487     /* IDirect3DExecuteBuffer fields */
488     struct ddraw *ddraw;
489     struct d3d_device *d3ddev;
490
491     D3DEXECUTEBUFFERDESC desc;
492     D3DEXECUTEDATA       data;
493
494     /* This buffer will store the transformed vertices */
495     void                 *vertex_data;
496     WORD                 *indices;
497     int                  nb_indices;
498
499     /* This flags is set to TRUE if we allocated ourselves the
500      * data buffer
501      */
502     BOOL                 need_free;
503 };
504
505 HRESULT d3d_execute_buffer_init(struct d3d_execute_buffer *execute_buffer,
506         struct d3d_device *device, D3DEXECUTEBUFFERDESC *desc) DECLSPEC_HIDDEN;
507 struct d3d_execute_buffer *unsafe_impl_from_IDirect3DExecuteBuffer(IDirect3DExecuteBuffer *iface) DECLSPEC_HIDDEN;
508
509 /* The execute function */
510 HRESULT d3d_execute_buffer_execute(struct d3d_execute_buffer *execute_buffer,
511         struct d3d_device *device, struct d3d_viewport *viewport) DECLSPEC_HIDDEN;
512
513 /*****************************************************************************
514  * IDirect3DVertexBuffer
515  *****************************************************************************/
516 struct d3d_vertex_buffer
517 {
518     IDirect3DVertexBuffer7 IDirect3DVertexBuffer7_iface;
519     IDirect3DVertexBuffer IDirect3DVertexBuffer_iface;
520     LONG ref;
521
522     /*** WineD3D and ddraw links ***/
523     struct wined3d_buffer *wineD3DVertexBuffer;
524     struct wined3d_vertex_declaration *wineD3DVertexDeclaration;
525     struct ddraw *ddraw;
526
527     /*** Storage for D3D7 specific things ***/
528     DWORD                Caps;
529     DWORD                fvf;
530 };
531
532 HRESULT d3d_vertex_buffer_create(struct d3d_vertex_buffer **buffer, struct ddraw *ddraw,
533         D3DVERTEXBUFFERDESC *desc) DECLSPEC_HIDDEN;
534 struct d3d_vertex_buffer *unsafe_impl_from_IDirect3DVertexBuffer(IDirect3DVertexBuffer *iface) DECLSPEC_HIDDEN;
535 struct d3d_vertex_buffer *unsafe_impl_from_IDirect3DVertexBuffer7(IDirect3DVertexBuffer7 *iface) DECLSPEC_HIDDEN;
536
537 /*****************************************************************************
538  * Helper functions from utils.c
539  *****************************************************************************/
540
541 #define GET_TEXCOUNT_FROM_FVF(d3dvtVertexType) \
542     (((d3dvtVertexType) & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT)
543
544 #define GET_TEXCOORD_SIZE_FROM_FVF(d3dvtVertexType, tex_num) \
545     (((((d3dvtVertexType) >> (16 + (2 * (tex_num)))) + 1) & 0x03) + 1)
546
547 void PixelFormat_WineD3DtoDD(DDPIXELFORMAT *DDPixelFormat, enum wined3d_format_id WineD3DFormat) DECLSPEC_HIDDEN;
548 enum wined3d_format_id PixelFormat_DD2WineD3D(const DDPIXELFORMAT *DDPixelFormat) DECLSPEC_HIDDEN;
549 void DDRAW_dump_surface_desc(const DDSURFACEDESC2 *lpddsd) DECLSPEC_HIDDEN;
550 void dump_D3DMATRIX(const D3DMATRIX *mat) DECLSPEC_HIDDEN;
551 void DDRAW_dump_DDCAPS(const DDCAPS *lpcaps) DECLSPEC_HIDDEN;
552 DWORD get_flexible_vertex_size(DWORD d3dvtVertexType) DECLSPEC_HIDDEN;
553 void DDRAW_dump_DDSCAPS2(const DDSCAPS2 *in) DECLSPEC_HIDDEN;
554 void DDRAW_dump_cooperativelevel(DWORD cooplevel) DECLSPEC_HIDDEN;
555 void DDSD_to_DDSD2(const DDSURFACEDESC *in, DDSURFACEDESC2 *out) DECLSPEC_HIDDEN;
556 void DDSD2_to_DDSD(const DDSURFACEDESC2 *in, DDSURFACEDESC *out) DECLSPEC_HIDDEN;
557
558 /* This only needs to be here as long the processvertices functionality of
559  * IDirect3DExecuteBuffer isn't in WineD3D */
560 void multiply_matrix(LPD3DMATRIX dest, const D3DMATRIX *src1, const D3DMATRIX *src2) DECLSPEC_HIDDEN;
561
562 /* Used for generic dumping */
563 struct flag_info
564 {
565     DWORD val;
566     const char *name;
567 };
568
569 #define FE(x) { x, #x }
570
571 struct member_info
572 {
573     DWORD val;
574     const char *name;
575     void (*func)(const void *);
576     ptrdiff_t offset;
577 };
578
579 /* Structure copy */
580 #define ME(x,f,e) { x, #x, (void (*)(const void *))(f), offsetof(STRUCT, e) }
581
582 #define DD_STRUCT_COPY_BYSIZE_(to,from,from_size)                 \
583     do {                                                          \
584         DWORD __size = (to)->dwSize;                              \
585         DWORD __resetsize = min(__size, sizeof(*to));             \
586         DWORD __copysize = min(__resetsize, from_size);           \
587         assert(to != from);                                       \
588         memcpy(to, from, __copysize);                             \
589         memset((char*)(to) + __copysize, 0, __resetsize - __copysize); \
590         (to)->dwSize = __size; /* restore size */                 \
591     } while (0)
592
593 #define DD_STRUCT_COPY_BYSIZE(to,from) DD_STRUCT_COPY_BYSIZE_(to,from,(from)->dwSize)
594
595 #define SIZEOF_END_PADDING(type, last_field) \
596     (sizeof(type) - offsetof(type, last_field) - sizeof(((type *)0)->last_field))
597
598 static inline void copy_to_surfacedesc2(DDSURFACEDESC2 *to, DDSURFACEDESC2 *from)
599 {
600     DWORD from_size = from->dwSize;
601     if (from_size == sizeof(DDSURFACEDESC))
602         from_size -= SIZEOF_END_PADDING(DDSURFACEDESC, ddsCaps);
603     to->dwSize = sizeof(DDSURFACEDESC2); /* for struct copy */
604     DD_STRUCT_COPY_BYSIZE_(to, from, from_size);
605 }
606
607 HRESULT hr_ddraw_from_wined3d(HRESULT hr) DECLSPEC_HIDDEN;
608
609 #endif