2 * Copyright 2006 Stefan Dösinger
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.
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.
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
19 #ifndef __WINE_DLLS_DDRAW_DDRAW_PRIVATE_H
20 #define __WINE_DLLS_DDRAW_DDRAW_PRIVATE_H
24 #define NONAMELESSSTRUCT
25 #define NONAMELESSUNION
26 #include "wine/debug.h"
34 #ifdef DDRAW_INIT_GUID
37 #include "wine/list.h"
38 #include "wine/wined3d.h"
40 extern const struct wined3d_parent_ops ddraw_surface_wined3d_parent_ops DECLSPEC_HIDDEN;
41 extern const struct wined3d_parent_ops ddraw_null_wined3d_parent_ops DECLSPEC_HIDDEN;
43 /* Typdef the interfaces */
44 typedef struct IDirectDrawImpl IDirectDrawImpl;
45 typedef struct IDirectDrawSurfaceImpl IDirectDrawSurfaceImpl;
46 typedef struct IDirectDrawPaletteImpl IDirectDrawPaletteImpl;
47 typedef struct IDirect3DDeviceImpl IDirect3DDeviceImpl;
48 typedef struct IDirect3DLightImpl IDirect3DLightImpl;
49 typedef struct IDirect3DViewportImpl IDirect3DViewportImpl;
50 typedef struct IDirect3DMaterialImpl IDirect3DMaterialImpl;
51 typedef struct IDirect3DExecuteBufferImpl IDirect3DExecuteBufferImpl;
52 typedef struct IDirect3DVertexBufferImpl IDirect3DVertexBufferImpl;
54 extern DWORD force_refresh_rate DECLSPEC_HIDDEN;
56 /*****************************************************************************
57 * IDirectDraw implementation structure
58 *****************************************************************************/
62 struct wined3d_vertex_declaration *decl;
65 struct IDirectDrawImpl
68 IDirectDraw7 IDirectDraw7_iface;
69 IDirectDraw4 IDirectDraw4_iface;
70 IDirectDraw2 IDirectDraw2_iface;
71 IDirectDraw IDirectDraw_iface;
72 IDirect3D7 IDirect3D7_iface;
73 IDirect3D3 IDirect3D3_iface;
74 IDirect3D2 IDirect3D2_iface;
75 IDirect3D IDirect3D_iface;
76 struct wined3d_device_parent device_parent;
78 /* See comment in IDirectDraw::AddRef */
79 LONG ref7, ref4, ref2, ref3, ref1, numIfaces;
82 struct wined3d *wined3d;
83 struct wined3d_device *wined3d_device;
86 IDirectDrawSurfaceImpl *primary;
88 struct wined3d_surface *wined3d_frontbuffer;
89 struct wined3d_swapchain *wined3d_swapchain;
90 HWND swapchain_window;
92 /* DirectDraw things, which are not handled by WineD3D */
93 DWORD cooperative_level;
95 DWORD orig_width, orig_height;
100 IDirect3DDeviceImpl *d3ddevice;
108 /* Helpers for surface creation */
109 IDirectDrawSurfaceImpl *tex_root;
111 /* For the dll unload cleanup code */
112 struct list ddraw_list_entry;
113 /* The surface list - can't relay this to WineD3D
116 struct list surface_list;
119 struct FvfToDecl *decls;
120 UINT numConvertedDecls, declArraySize;
123 #define DDRAW_WINDOW_CLASS_NAME "DirectDrawDeviceWnd"
125 HRESULT ddraw_init(IDirectDrawImpl *ddraw, enum wined3d_device_type device_type) DECLSPEC_HIDDEN;
126 void ddraw_destroy_swapchain(IDirectDrawImpl *ddraw) DECLSPEC_HIDDEN;
128 static inline void ddraw_set_swapchain_window(struct IDirectDrawImpl *ddraw, HWND window)
130 if (window == GetDesktopWindow())
132 ddraw->swapchain_window = window;
135 /* Utility functions */
136 void DDRAW_Convert_DDSCAPS_1_To_2(const DDSCAPS *pIn, DDSCAPS2 *pOut) DECLSPEC_HIDDEN;
137 void DDRAW_Convert_DDDEVICEIDENTIFIER_2_To_1(const DDDEVICEIDENTIFIER2 *pIn, DDDEVICEIDENTIFIER *pOut) DECLSPEC_HIDDEN;
138 struct wined3d_vertex_declaration *ddraw_find_decl(IDirectDrawImpl *This, DWORD fvf) DECLSPEC_HIDDEN;
140 /* The default surface type */
141 extern WINED3DSURFTYPE DefaultSurfaceType DECLSPEC_HIDDEN;
143 /*****************************************************************************
144 * IDirectDrawSurface implementation structure
145 *****************************************************************************/
147 struct IDirectDrawSurfaceImpl
149 /* IUnknown fields */
150 IDirectDrawSurface7 IDirectDrawSurface7_iface;
151 IDirectDrawSurface4 IDirectDrawSurface4_iface;
152 IDirectDrawSurface3 IDirectDrawSurface3_iface;
153 IDirectDrawSurface2 IDirectDrawSurface2_iface;
154 IDirectDrawSurface IDirectDrawSurface_iface;
155 IDirectDrawGammaControl IDirectDrawGammaControl_iface;
156 IDirect3DTexture2 IDirect3DTexture2_iface;
157 IDirect3DTexture IDirect3DTexture_iface;
159 LONG ref7, ref4, ref3, ref2, ref1, iface_count, gamma_count;
160 IUnknown *ifaceToRelease;
164 /* Connections to other Objects */
165 IDirectDrawImpl *ddraw;
166 struct wined3d_surface *wined3d_surface;
167 struct wined3d_texture *wined3d_texture;
169 /* This implementation handles attaching surfaces to other surfaces */
170 IDirectDrawSurfaceImpl *next_attached;
171 IDirectDrawSurfaceImpl *first_attached;
172 IUnknown *attached_iface;
174 /* Complex surfaces are organized in a tree, although the tree is degenerated to a list in most cases.
175 * In mipmap and primary surfaces each level has only one attachment, which is the next surface level.
176 * Only the cube texture root has 6 surfaces attached, which then have a normal mipmap chain attached
177 * to them. So hardcode the array to 6, a dynamic array or a list would be an overkill.
179 #define MAX_COMPLEX_ATTACHED 6
180 IDirectDrawSurfaceImpl *complex_array[MAX_COMPLEX_ATTACHED];
181 /* You can't traverse the tree upwards. Only a flag for Surface::Release because its needed there,
182 * but no pointer to prevent temptations to traverse it in the wrong direction.
184 BOOL is_complex_root;
186 /* Surface description, for GetAttachedSurface */
187 DDSURFACEDESC2 surface_desc;
190 DWORD uniqueness_value;
193 /* Clipper objects */
194 struct ddraw_clipper *clipper;
196 /* For the ddraw surface list */
197 struct list surface_list_entry;
202 HRESULT ddraw_surface_create_texture(IDirectDrawSurfaceImpl *surface) DECLSPEC_HIDDEN;
203 void ddraw_surface_destroy(IDirectDrawSurfaceImpl *surface) DECLSPEC_HIDDEN;
204 HRESULT ddraw_surface_init(IDirectDrawSurfaceImpl *surface, IDirectDrawImpl *ddraw,
205 DDSURFACEDESC2 *desc, UINT mip_level, UINT version) DECLSPEC_HIDDEN;
206 ULONG ddraw_surface_release_iface(IDirectDrawSurfaceImpl *This) DECLSPEC_HIDDEN;
208 static inline IDirectDrawSurfaceImpl *impl_from_IDirect3DTexture(IDirect3DTexture *iface)
210 return CONTAINING_RECORD(iface, IDirectDrawSurfaceImpl, IDirect3DTexture_iface);
213 static inline IDirectDrawSurfaceImpl *impl_from_IDirect3DTexture2(IDirect3DTexture2 *iface)
215 return CONTAINING_RECORD(iface, IDirectDrawSurfaceImpl, IDirect3DTexture2_iface);
218 static inline IDirectDrawSurfaceImpl *impl_from_IDirectDrawSurface(IDirectDrawSurface *iface)
220 return CONTAINING_RECORD(iface, IDirectDrawSurfaceImpl, IDirectDrawSurface_iface);
223 static inline IDirectDrawSurfaceImpl *impl_from_IDirectDrawSurface2(IDirectDrawSurface2 *iface)
225 return CONTAINING_RECORD(iface, IDirectDrawSurfaceImpl, IDirectDrawSurface2_iface);
228 static inline IDirectDrawSurfaceImpl *impl_from_IDirectDrawSurface3(IDirectDrawSurface3 *iface)
230 return CONTAINING_RECORD(iface, IDirectDrawSurfaceImpl, IDirectDrawSurface3_iface);
233 static inline IDirectDrawSurfaceImpl *impl_from_IDirectDrawSurface4(IDirectDrawSurface4 *iface)
235 return CONTAINING_RECORD(iface, IDirectDrawSurfaceImpl, IDirectDrawSurface4_iface);
238 static inline IDirectDrawSurfaceImpl *impl_from_IDirectDrawSurface7(IDirectDrawSurface7 *iface)
240 return CONTAINING_RECORD(iface, IDirectDrawSurfaceImpl, IDirectDrawSurface7_iface);
243 IDirectDrawSurfaceImpl *unsafe_impl_from_IDirectDrawSurface(IDirectDrawSurface *iface) DECLSPEC_HIDDEN;
244 IDirectDrawSurfaceImpl *unsafe_impl_from_IDirectDrawSurface4(IDirectDrawSurface4 *iface) DECLSPEC_HIDDEN;
245 IDirectDrawSurfaceImpl *unsafe_impl_from_IDirectDrawSurface7(IDirectDrawSurface7 *iface) DECLSPEC_HIDDEN;
247 IDirectDrawSurfaceImpl *unsafe_impl_from_IDirect3DTexture(IDirect3DTexture *iface) DECLSPEC_HIDDEN;
248 IDirectDrawSurfaceImpl *unsafe_impl_from_IDirect3DTexture2(IDirect3DTexture2 *iface) DECLSPEC_HIDDEN;
250 #define DDRAW_INVALID_HANDLE ~0U
252 enum ddraw_handle_type
255 DDRAW_HANDLE_MATERIAL,
257 DDRAW_HANDLE_STATEBLOCK,
258 DDRAW_HANDLE_SURFACE,
261 struct ddraw_handle_entry
264 enum ddraw_handle_type type;
267 struct ddraw_handle_table
269 struct ddraw_handle_entry *entries;
270 struct ddraw_handle_entry *free_entries;
275 BOOL ddraw_handle_table_init(struct ddraw_handle_table *t, UINT initial_size) DECLSPEC_HIDDEN;
276 void ddraw_handle_table_destroy(struct ddraw_handle_table *t) DECLSPEC_HIDDEN;
277 DWORD ddraw_allocate_handle(struct ddraw_handle_table *t, void *object, enum ddraw_handle_type type) DECLSPEC_HIDDEN;
278 void *ddraw_free_handle(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type) DECLSPEC_HIDDEN;
279 void *ddraw_get_object(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type) DECLSPEC_HIDDEN;
281 struct IDirect3DDeviceImpl
284 IDirect3DDevice7 IDirect3DDevice7_iface;
285 IDirect3DDevice3 IDirect3DDevice3_iface;
286 IDirect3DDevice2 IDirect3DDevice2_iface;
287 IDirect3DDevice IDirect3DDevice_iface;
290 /* Other object connections */
291 struct wined3d_device *wined3d_device;
292 IDirectDrawImpl *ddraw;
293 struct wined3d_buffer *indexbuffer;
294 IDirectDrawSurfaceImpl *target;
296 /* Viewport management */
297 struct list viewport_list;
298 IDirect3DViewportImpl *current_viewport;
299 D3DVIEWPORT7 active_viewport;
301 /* Required to keep track which of two available texture blending modes in d3ddevice3 is used */
302 BOOL legacyTextureBlending;
303 D3DMATRIX legacy_projection;
304 D3DMATRIX legacy_clipspace;
309 /* Rendering functions to wrap D3D(1-3) to D3D7 */
310 D3DPRIMITIVETYPE primitive_type;
314 LPBYTE vertex_buffer;
318 /* Handle management */
319 struct ddraw_handle_table handle_table;
320 D3DMATRIXHANDLE world, proj, view;
323 HRESULT d3d_device_init(IDirect3DDeviceImpl *device, IDirectDrawImpl *ddraw,
324 IDirectDrawSurfaceImpl *target) DECLSPEC_HIDDEN;
327 extern const GUID IID_D3DDEVICE_WineD3D DECLSPEC_HIDDEN;
329 /* Helper functions */
330 HRESULT IDirect3DImpl_GetCaps(const struct wined3d *wined3d,
331 D3DDEVICEDESC *Desc123, D3DDEVICEDESC7 *Desc7) DECLSPEC_HIDDEN;
332 enum wined3d_depth_buffer_type IDirect3DDeviceImpl_UpdateDepthStencil(IDirect3DDeviceImpl *device) DECLSPEC_HIDDEN;
334 static inline IDirect3DDeviceImpl *impl_from_IDirect3DDevice(IDirect3DDevice *iface)
336 return CONTAINING_RECORD(iface, IDirect3DDeviceImpl, IDirect3DDevice_iface);
339 static inline IDirect3DDeviceImpl *impl_from_IDirect3DDevice2(IDirect3DDevice2 *iface)
341 return CONTAINING_RECORD(iface, IDirect3DDeviceImpl, IDirect3DDevice2_iface);
344 static inline IDirect3DDeviceImpl *impl_from_IDirect3DDevice3(IDirect3DDevice3 *iface)
346 return CONTAINING_RECORD(iface, IDirect3DDeviceImpl, IDirect3DDevice3_iface);
349 static inline IDirect3DDeviceImpl *impl_from_IDirect3DDevice7(IDirect3DDevice7 *iface)
351 return CONTAINING_RECORD(iface, IDirect3DDeviceImpl, IDirect3DDevice7_iface);
354 IDirect3DDeviceImpl *unsafe_impl_from_IDirect3DDevice(IDirect3DDevice *iface) DECLSPEC_HIDDEN;
355 IDirect3DDeviceImpl *unsafe_impl_from_IDirect3DDevice2(IDirect3DDevice2 *iface) DECLSPEC_HIDDEN;
356 IDirect3DDeviceImpl *unsafe_impl_from_IDirect3DDevice3(IDirect3DDevice3 *iface) DECLSPEC_HIDDEN;
357 IDirect3DDeviceImpl *unsafe_impl_from_IDirect3DDevice7(IDirect3DDevice7 *iface) DECLSPEC_HIDDEN;
361 IDirectDrawClipper IDirectDrawClipper_iface;
368 HRESULT ddraw_clipper_init(struct ddraw_clipper *clipper) DECLSPEC_HIDDEN;
369 struct ddraw_clipper *unsafe_impl_from_IDirectDrawClipper(IDirectDrawClipper *iface) DECLSPEC_HIDDEN;
371 /*****************************************************************************
372 * IDirectDrawPalette implementation structure
373 *****************************************************************************/
374 struct IDirectDrawPaletteImpl
376 /* IUnknown fields */
377 IDirectDrawPalette IDirectDrawPalette_iface;
380 struct wined3d_palette *wineD3DPalette;
382 /* IDirectDrawPalette fields */
383 IUnknown *ifaceToRelease;
386 static inline IDirectDrawPaletteImpl *impl_from_IDirectDrawPalette(IDirectDrawPalette *iface)
388 return CONTAINING_RECORD(iface, IDirectDrawPaletteImpl, IDirectDrawPalette_iface);
391 IDirectDrawPaletteImpl *unsafe_impl_from_IDirectDrawPalette(IDirectDrawPalette *iface) DECLSPEC_HIDDEN;
393 HRESULT ddraw_palette_init(IDirectDrawPaletteImpl *palette,
394 IDirectDrawImpl *ddraw, DWORD flags, PALETTEENTRY *entries) DECLSPEC_HIDDEN;
396 /* Helper structures */
397 struct object_creation_info
400 HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, REFIID riid,
404 /******************************************************************************
405 * IDirect3DLight implementation structure - Wraps to D3D7
406 ******************************************************************************/
407 struct IDirect3DLightImpl
409 IDirect3DLight IDirect3DLight_iface;
412 /* IDirect3DLight fields */
413 IDirectDrawImpl *ddraw;
415 /* If this light is active for one viewport, put the viewport here */
416 IDirect3DViewportImpl *active_viewport;
426 /* Helper functions */
427 void light_activate(IDirect3DLightImpl *light) DECLSPEC_HIDDEN;
428 void light_deactivate(IDirect3DLightImpl *light) DECLSPEC_HIDDEN;
429 void d3d_light_init(IDirect3DLightImpl *light, IDirectDrawImpl *ddraw) DECLSPEC_HIDDEN;
430 IDirect3DLightImpl *unsafe_impl_from_IDirect3DLight(IDirect3DLight *iface) DECLSPEC_HIDDEN;
432 /******************************************************************************
433 * IDirect3DMaterial implementation structure - Wraps to D3D7
434 ******************************************************************************/
435 struct IDirect3DMaterialImpl
437 IDirect3DMaterial3 IDirect3DMaterial3_iface;
438 IDirect3DMaterial2 IDirect3DMaterial2_iface;
439 IDirect3DMaterial IDirect3DMaterial_iface;
442 /* IDirect3DMaterial2 fields */
443 IDirectDrawImpl *ddraw;
444 IDirect3DDeviceImpl *active_device;
450 /* Helper functions */
451 void material_activate(IDirect3DMaterialImpl* This) DECLSPEC_HIDDEN;
452 IDirect3DMaterialImpl *d3d_material_create(IDirectDrawImpl *ddraw) DECLSPEC_HIDDEN;
454 /*****************************************************************************
455 * IDirect3DViewport - Wraps to D3D7
456 *****************************************************************************/
457 struct IDirect3DViewportImpl
459 IDirect3DViewport3 IDirect3DViewport3_iface;
462 /* IDirect3DViewport fields */
463 IDirectDrawImpl *ddraw;
465 /* If this viewport is active for one device, put the device here */
466 IDirect3DDeviceImpl *active_device;
480 struct list light_list;
482 /* Background material */
483 IDirect3DMaterialImpl *background;
486 IDirect3DViewportImpl *unsafe_impl_from_IDirect3DViewport3(IDirect3DViewport3 *iface) DECLSPEC_HIDDEN;
487 IDirect3DViewportImpl *unsafe_impl_from_IDirect3DViewport2(IDirect3DViewport2 *iface) DECLSPEC_HIDDEN;
488 IDirect3DViewportImpl *unsafe_impl_from_IDirect3DViewport(IDirect3DViewport *iface) DECLSPEC_HIDDEN;
490 /* Helper functions */
491 void viewport_activate(IDirect3DViewportImpl* This, BOOL ignore_lights) DECLSPEC_HIDDEN;
492 void d3d_viewport_init(IDirect3DViewportImpl *viewport, IDirectDrawImpl *ddraw) DECLSPEC_HIDDEN;
494 /*****************************************************************************
495 * IDirect3DExecuteBuffer - Wraps to D3D7
496 *****************************************************************************/
497 struct IDirect3DExecuteBufferImpl
499 IDirect3DExecuteBuffer IDirect3DExecuteBuffer_iface;
501 /* IDirect3DExecuteBuffer fields */
502 IDirectDrawImpl *ddraw;
503 IDirect3DDeviceImpl *d3ddev;
505 D3DEXECUTEBUFFERDESC desc;
508 /* This buffer will store the transformed vertices */
513 /* This flags is set to TRUE if we allocated ourselves the
519 HRESULT d3d_execute_buffer_init(IDirect3DExecuteBufferImpl *execute_buffer,
520 IDirect3DDeviceImpl *device, D3DEXECUTEBUFFERDESC *desc) DECLSPEC_HIDDEN;
521 IDirect3DExecuteBufferImpl *unsafe_impl_from_IDirect3DExecuteBuffer(IDirect3DExecuteBuffer *iface) DECLSPEC_HIDDEN;
523 /* The execute function */
524 HRESULT d3d_execute_buffer_execute(IDirect3DExecuteBufferImpl *execute_buffer,
525 IDirect3DDeviceImpl *device, IDirect3DViewportImpl *viewport) DECLSPEC_HIDDEN;
527 /*****************************************************************************
528 * IDirect3DVertexBuffer
529 *****************************************************************************/
530 struct IDirect3DVertexBufferImpl
532 IDirect3DVertexBuffer7 IDirect3DVertexBuffer7_iface;
533 IDirect3DVertexBuffer IDirect3DVertexBuffer_iface;
536 /*** WineD3D and ddraw links ***/
537 struct wined3d_buffer *wineD3DVertexBuffer;
538 struct wined3d_vertex_declaration *wineD3DVertexDeclaration;
539 IDirectDrawImpl *ddraw;
541 /*** Storage for D3D7 specific things ***/
546 HRESULT d3d_vertex_buffer_create(IDirect3DVertexBufferImpl **vertex_buf, IDirectDrawImpl *ddraw,
547 D3DVERTEXBUFFERDESC *desc) DECLSPEC_HIDDEN;
548 IDirect3DVertexBufferImpl *unsafe_impl_from_IDirect3DVertexBuffer(IDirect3DVertexBuffer *iface) DECLSPEC_HIDDEN;
549 IDirect3DVertexBufferImpl *unsafe_impl_from_IDirect3DVertexBuffer7(IDirect3DVertexBuffer7 *iface) DECLSPEC_HIDDEN;
551 /*****************************************************************************
552 * Helper functions from utils.c
553 *****************************************************************************/
555 #define GET_TEXCOUNT_FROM_FVF(d3dvtVertexType) \
556 (((d3dvtVertexType) & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT)
558 #define GET_TEXCOORD_SIZE_FROM_FVF(d3dvtVertexType, tex_num) \
559 (((((d3dvtVertexType) >> (16 + (2 * (tex_num)))) + 1) & 0x03) + 1)
561 void PixelFormat_WineD3DtoDD(DDPIXELFORMAT *DDPixelFormat, enum wined3d_format_id WineD3DFormat) DECLSPEC_HIDDEN;
562 enum wined3d_format_id PixelFormat_DD2WineD3D(const DDPIXELFORMAT *DDPixelFormat) DECLSPEC_HIDDEN;
563 void DDRAW_dump_surface_desc(const DDSURFACEDESC2 *lpddsd) DECLSPEC_HIDDEN;
564 void dump_D3DMATRIX(const D3DMATRIX *mat) DECLSPEC_HIDDEN;
565 void DDRAW_dump_DDCAPS(const DDCAPS *lpcaps) DECLSPEC_HIDDEN;
566 DWORD get_flexible_vertex_size(DWORD d3dvtVertexType) DECLSPEC_HIDDEN;
567 void DDRAW_dump_DDSCAPS2(const DDSCAPS2 *in) DECLSPEC_HIDDEN;
568 void DDRAW_dump_cooperativelevel(DWORD cooplevel) DECLSPEC_HIDDEN;
569 void DDSD_to_DDSD2(const DDSURFACEDESC *in, DDSURFACEDESC2 *out) DECLSPEC_HIDDEN;
570 void DDSD2_to_DDSD(const DDSURFACEDESC2 *in, DDSURFACEDESC *out) DECLSPEC_HIDDEN;
572 /* This only needs to be here as long the processvertices functionality of
573 * IDirect3DExecuteBuffer isn't in WineD3D */
574 void multiply_matrix(LPD3DMATRIX dest, const D3DMATRIX *src1, const D3DMATRIX *src2) DECLSPEC_HIDDEN;
576 /* Used for generic dumping */
583 #define FE(x) { x, #x }
589 void (*func)(const void *);
594 #define ME(x,f,e) { x, #x, (void (*)(const void *))(f), offsetof(STRUCT, e) }
596 #define DD_STRUCT_COPY_BYSIZE_(to,from,from_size) \
598 DWORD __size = (to)->dwSize; \
599 DWORD __resetsize = min(__size, sizeof(*to)); \
600 DWORD __copysize = min(__resetsize, from_size); \
601 assert(to != from); \
602 memcpy(to, from, __copysize); \
603 memset((char*)(to) + __copysize, 0, __resetsize - __copysize); \
604 (to)->dwSize = __size; /* restore size */ \
607 #define DD_STRUCT_COPY_BYSIZE(to,from) DD_STRUCT_COPY_BYSIZE_(to,from,(from)->dwSize)
609 #define SIZEOF_END_PADDING(type, last_field) \
610 (sizeof(type) - offsetof(type, last_field) - sizeof(((type *)0)->last_field))
612 static inline void copy_to_surfacedesc2(DDSURFACEDESC2 *to, DDSURFACEDESC2 *from)
614 DWORD from_size = from->dwSize;
615 if (from_size == sizeof(DDSURFACEDESC))
616 from_size -= SIZEOF_END_PADDING(DDSURFACEDESC, ddsCaps);
617 to->dwSize = sizeof(DDSURFACEDESC2); /* for struct copy */
618 DD_STRUCT_COPY_BYSIZE_(to, from, from_size);
621 HRESULT hr_ddraw_from_wined3d(HRESULT hr) DECLSPEC_HIDDEN;