git.oblomov.eu Git - wine/blob - 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 /* MAY NOT CONTAIN X11 or DGA specific includes/defines/structs! */
  23
  24 #include <stdarg.h>
  25 #include <stdio.h>
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "wtypes.h"
  30 #include "wingdi.h"
  31 #include "winuser.h"
  32 #include "ddraw.h"
  33 #include "ddrawi.h"
  34 #include "d3d.h"
  35
  36 #include "ddcomimpl.h"
  37
  38 #include "wine/wined3d_interface.h"
  39
  40 /*****************************************************************************
  41  * IParent - a helper interface
  42  *****************************************************************************/
  43 DEFINE_GUID(IID_IParent, 0xc20e4c88, 0x74e7, 0x4940, 0xba, 0x9f, 0x2e, 0x32, 0x3f, 0x9d, 0xc9, 0x81);
  44 typedef struct IParent *LPPARENT, *PPARENT;
  45
  46 #define INTERFACE IParent
  47 DECLARE_INTERFACE_(IParent,IUnknown)
  48 {
  49     /*** IUnknown methods ***/
  50     STDMETHOD_(HRESULT,QueryInterface)(THIS_ REFIID riid, void** ppvObject) PURE;
  51     STDMETHOD_(ULONG,AddRef)(THIS) PURE;
  52     STDMETHOD_(ULONG,Release)(THIS) PURE;
  53 };
  54 #undef INTERFACE
  55
  56 #if !defined(__cplusplus) || defined(CINTERFACE)
  57 /*** IUnknown methods ***/
  58 #define IParent_QueryInterface(p,a,b) (p)->lpVtbl->QueryInterface(p,a,b)
  59 #define IParent_AddRef(p)             (p)->lpVtbl->AddRef(p)
  60 #define IParent_Release(p)            (p)->lpVtbl->Release(p)
  61 #endif
  62
  63
  64 /* Typdef the interfaces */
  65 typedef struct IDirectDrawImpl            IDirectDrawImpl;
  66 typedef struct IDirectDrawSurfaceImpl     IDirectDrawSurfaceImpl;
  67 typedef struct IDirectDrawClipperImpl     IDirectDrawClipperImpl;
  68 typedef struct IDirectDrawPaletteImpl     IDirectDrawPaletteImpl;
  69 typedef struct IDirect3DDeviceImpl        IDirect3DDeviceImpl;
  70 typedef struct IDirect3DLightImpl         IDirect3DLightImpl;
  71 typedef struct IDirect3DViewportImpl      IDirect3DViewportImpl;
  72 typedef struct IDirect3DMaterialImpl      IDirect3DMaterialImpl;
  73 typedef struct IDirect3DExecuteBufferImpl IDirect3DExecuteBufferImpl;
  74 typedef struct IDirect3DVertexBufferImpl  IDirect3DVertexBufferImpl;
  75 typedef struct IParentImpl                IParentImpl;
  76
  77 /*****************************************************************************
  78  * IDirectDraw implementation structure
  79  *****************************************************************************/
  80
  81 struct IDirectDrawImpl
  82 {
  83     /* IUnknown fields */
  84     ICOM_VFIELD_MULTI(IDirectDraw7);
  85     ICOM_VFIELD_MULTI(IDirectDraw4);
  86     ICOM_VFIELD_MULTI(IDirectDraw2);
  87     ICOM_VFIELD_MULTI(IDirectDraw);
  88     ICOM_VFIELD_MULTI(IDirect3D7);
  89     ICOM_VFIELD_MULTI(IDirect3D3);
  90     ICOM_VFIELD_MULTI(IDirect3D2);
  91     ICOM_VFIELD_MULTI(IDirect3D);
  92
  93     LONG              ref;
  94
  95     /* WineD3D linkage */
  96     IWineD3D                *wineD3D;
  97     IWineD3DDevice          *wineD3DDevice;
  98     IDirectDrawSurfaceImpl  *DepthStencilBuffer;
  99     BOOL                    d3d_initialized;
 100
 101     /* misc ddraw fields */
 102     UINT                    total_vidmem;
 103     DWORD                   cur_scanline;
 104     BOOL                    fake_vblank;
 105     BOOL                    initialized;
 106
 107     /* DirectDraw things, which are not handled by WineD3D */
 108     DWORD                   cooperative_level;
 109
 110     DWORD                   orig_width, orig_height;
 111     DWORD                   orig_bpp;
 112
 113     DDCAPS                  caps;
 114
 115     LONG                    style;
 116     LONG                    exStyle;
 117
 118     /* D3D things */
 119     IDirectDrawSurfaceImpl  *d3d_target;
 120     HWND                    d3d_window;
 121     IDirect3DDeviceImpl     *d3ddevice;
 122
 123     /* Varios HWNDs */
 124     HWND                    focuswindow;
 125     HWND                    devicewindow;
 126
 127     /* The surface type to request */
 128     WINED3DSURFTYPE ImplType;
 129
 130     /* The surface list - can't relay this to WineD3D
 131      * because of IParent
 132      */
 133     IDirectDrawSurfaceImpl *surface_list;
 134
 135     /* Our private window class */
 136     char classname[32];
 137     WNDCLASSA wnd_class;
 138
 139     /* Helpers for surface creation */
 140     IDirectDrawSurfaceImpl *tex_root;
 141     BOOL                    depthstencil;
 142
 143     /* For the dll unload cleanup code */
 144     IDirectDrawImpl *next;
 145     BOOL DoNotDestroy;
 146     LONG surfaces;
 147 };
 148
 149 /* Declare the VTables. They can be found ddraw.c */
 150 const IDirectDraw7Vtbl IDirectDraw7_Vtbl;
 151 const IDirectDraw4Vtbl IDirectDraw4_Vtbl;
 152 const IDirectDraw2Vtbl IDirectDraw2_Vtbl;
 153 const IDirectDrawVtbl  IDirectDraw1_Vtbl;
 154
 155 /* Helper structures */
 156 typedef struct EnumDisplayModesCBS
 157 {
 158     void *context;
 159     LPDDENUMMODESCALLBACK2 callback;
 160 } EnumDisplayModesCBS;
 161
 162 typedef struct EnumSurfacesCBS
 163 {
 164     void *context;
 165     LPDDENUMSURFACESCALLBACK7 callback;
 166     LPDDSURFACEDESC2 pDDSD;
 167     DWORD Flags;
 168 } EnumSurfacesCBS;
 169
 170 /* Utility functions */
 171 void
 172 DDRAW_Convert_DDSCAPS_1_To_2(const DDSCAPS* pIn,
 173                              DDSCAPS2* pOut);
 174 void
 175 DDRAW_Convert_DDDEVICEIDENTIFIER_2_To_1(const DDDEVICEIDENTIFIER2* pIn,
 176                                         DDDEVICEIDENTIFIER* pOut);
 177 void
 178 IDirectDrawImpl_Destroy(IDirectDrawImpl *This);
 179
 180 HRESULT WINAPI
 181 IDirectDrawImpl_RecreateSurfacesCallback(IDirectDrawSurface7 *surf,
 182                                          DDSURFACEDESC2 *desc,
 183                                          void *Context);
 184 /* The cleanup list */
 185 extern IDirectDrawImpl *ddraw_list;
 186
 187 /* The default surface type */
 188 extern WINED3DSURFTYPE DefaultSurfaceType;
 189
 190 /*****************************************************************************
 191  * IDirectDrawSurface implementation structure
 192  *****************************************************************************/
 193
 194 struct IDirectDrawSurfaceImpl
 195 {
 196     /* IUnknown fields */
 197     ICOM_VFIELD_MULTI(IDirectDrawSurface7);
 198     ICOM_VFIELD_MULTI(IDirectDrawSurface3);
 199     ICOM_VFIELD_MULTI(IDirectDrawGammaControl);
 200     ICOM_VFIELD_MULTI(IDirect3DTexture2);
 201     ICOM_VFIELD_MULTI(IDirect3DTexture);
 202
 203     LONG                     ref;
 204
 205     int                     version;
 206
 207     /* Connections to other Objects */
 208     IDirectDrawImpl         *ddraw;
 209     IWineD3DSurface         *WineD3DSurface;
 210     IWineD3DTexture         *wineD3DTexture;
 211
 212     /* This implementation handles attaching surfaces to other surfaces */
 213     IDirectDrawSurfaceImpl  *next_attached;
 214     IDirectDrawSurfaceImpl  *first_attached;
 215     IDirectDrawSurfaceImpl  *next_complex;
 216     IDirectDrawSurfaceImpl  *first_complex;
 217
 218     /* Surface description, for GetAttachedSurface */
 219     DDSURFACEDESC2          surface_desc;
 220
 221     /* Misc things */
 222     DWORD                   uniqueness_value;
 223     UINT                    mipmap_level;
 224     WINED3DSURFTYPE         ImplType;
 225
 226     /* For D3DDevice creation */
 227     BOOL                    isRenderTarget;
 228
 229     /* Clipper objects */
 230     IDirectDrawClipperImpl  *clipper;
 231
 232     /* For the ddraw surface list */
 233     IDirectDrawSurfaceImpl *next;
 234     IDirectDrawSurfaceImpl *prev;
 235 };
 236
 237 /* VTable declaration. It's located in surface.c / surface_thunks.c */
 238 const IDirectDrawSurface7Vtbl IDirectDrawSurface7_Vtbl;
 239 const IDirectDrawSurface3Vtbl IDirectDrawSurface3_Vtbl;
 240 const IDirectDrawGammaControlVtbl IDirectDrawGammaControl_Vtbl;
 241 const IDirect3DTexture2Vtbl IDirect3DTexture2_Vtbl;
 242 const IDirect3DTextureVtbl IDirect3DTexture1_Vtbl;
 243
 244 /* Get the number of bytes per pixel for a given surface */
 245 #define PFGET_BPP(pf) (pf.dwFlags&DDPF_PALETTEINDEXED8?1:((pf.dwRGBBitCount+7)/8))
 246 #define GET_BPP(desc) PFGET_BPP(desc.ddpfPixelFormat)
 247
 248 /*****************************************************************************
 249  * IParent Implementation
 250  *****************************************************************************/
 251 struct IParentImpl
 252 {
 253     /* IUnknown fields */
 254     ICOM_VFIELD_MULTI(IParent);
 255     LONG                    ref;
 256
 257     /* IParentImpl fields */
 258     IUnknown      *child;
 259
 260 };
 261
 262 const IParentVtbl IParent_Vtbl;
 263
 264 /*****************************************************************************
 265  * IDirect3DDevice implementation
 266  *****************************************************************************/
 267 struct IDirect3DDeviceImpl
 268 {
 269     /* IUnknown */
 270     ICOM_VFIELD_MULTI(IDirect3DDevice7);
 271     ICOM_VFIELD_MULTI(IDirect3DDevice3);
 272     ICOM_VFIELD_MULTI(IDirect3DDevice2);
 273     ICOM_VFIELD_MULTI(IDirect3DDevice);
 274     LONG                    ref;
 275
 276     /* Other object connections */
 277     IWineD3DDevice          *wineD3DDevice;
 278     IDirectDrawImpl         *ddraw;
 279     IWineD3DIndexBuffer     *indexbuffer;
 280     IDirectDrawSurfaceImpl  *target;
 281     BOOL                    OffScreenTarget;
 282
 283     /* Viewport management */
 284     IDirect3DViewportImpl *viewport_list;
 285     IDirect3DViewportImpl *current_viewport;
 286     D3DVIEWPORT7 active_viewport;
 287
 288     /* Light state */
 289     DWORD material;
 290
 291     /* Rendering functions to wrap D3D(1-3) to D3D7 */
 292     D3DPRIMITIVETYPE primitive_type;
 293     DWORD vertex_type;
 294     DWORD render_flags;
 295     DWORD nb_vertices;
 296     LPBYTE vertex_buffer;
 297     DWORD vertex_size;
 298     DWORD buffer_size;
 299 };
 300
 301 /* Vtables in various versions */
 302 const IDirect3DDevice7Vtbl IDirect3DDevice7_Vtbl;
 303 const IDirect3DDevice3Vtbl IDirect3DDevice3_Vtbl;
 304 const IDirect3DDevice2Vtbl IDirect3DDevice2_Vtbl;
 305 const IDirect3DDeviceVtbl  IDirect3DDevice1_Vtbl;
 306
 307 /* The IID */
 308 const GUID IID_D3DDEVICE_WineD3D;
 309
 310 /* Helper functions */
 311 HRESULT IDirect3DImpl_GetCaps(IWineD3D *WineD3D, D3DDEVICEDESC *Desc123, D3DDEVICEDESC7 *Desc7);
 312
 313 /* Structures */
 314 struct EnumTextureFormatsCBS
 315 {
 316     LPD3DENUMTEXTUREFORMATSCALLBACK cbv2;
 317     LPD3DENUMPIXELFORMATSCALLBACK cbv7;
 318     void *Context;
 319 };
 320
 321 /*****************************************************************************
 322  * IDirect3D implementation
 323  *****************************************************************************/
 324
 325 /* No implementation structure as this is only another interface to DirectDraw */
 326
 327 /* the Vtables */
 328 const IDirect3DVtbl  IDirect3D1_Vtbl;
 329 const IDirect3D2Vtbl IDirect3D2_Vtbl;
 330 const IDirect3D3Vtbl IDirect3D3_Vtbl;
 331 const IDirect3D7Vtbl IDirect3D7_Vtbl;
 332
 333 /* Structure for EnumZBufferFormats */
 334 struct EnumZBufferFormatsData
 335 {
 336     LPD3DENUMPIXELFORMATSCALLBACK Callback;
 337     void *Context;
 338 };
 339
 340 /*****************************************************************************
 341  * IDirectDrawClipper implementation structure
 342  *****************************************************************************/
 343 struct IDirectDrawClipperImpl
 344 {
 345     /* IUnknown fields */
 346     ICOM_VFIELD_MULTI(IDirectDrawClipper);
 347     LONG ref;
 348
 349     /* IDirectDrawClipper fields */
 350     HWND hWnd;
 351
 352     IDirectDrawImpl* ddraw_owner;
 353     struct IDirectDrawClipperImpl* prev_ddraw;
 354     struct IDirectDrawClipperImpl* next_ddraw;
 355 };
 356
 357 const IDirectDrawClipperVtbl IDirectDrawClipper_Vtbl;
 358
 359 /*****************************************************************************
 360  * IDirectDrawPalette implementation structure
 361  *****************************************************************************/
 362 struct IDirectDrawPaletteImpl
 363 {
 364     /* IUnknown fields */
 365     ICOM_VFIELD_MULTI(IDirectDrawPalette);
 366     LONG ref;
 367
 368     /* WineD3D uplink */
 369     IWineD3DPalette           *wineD3DPalette;
 370
 371     /* IDirectDrawPalette fields */
 372     IDirectDrawImpl           *ddraw_owner;
 373 };
 374 const IDirectDrawPaletteVtbl IDirectDrawPalette_Vtbl;
 375
 376 /******************************************************************************
 377  * DirectDraw ClassFactory Implementation - incomplete
 378  ******************************************************************************/
 379 typedef struct
 380 {
 381     ICOM_VFIELD_MULTI(IClassFactory);
 382
 383     LONG ref;
 384     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, REFIID iid, LPVOID *ppObj);
 385 } IClassFactoryImpl;
 386
 387 /* Helper structures */
 388 struct object_creation_info
 389 {
 390     const CLSID *clsid;
 391     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, REFIID riid,
 392                                  void **ppObj);
 393 };
 394
 395 /******************************************************************************
 396  * IDirect3DLight implementation structure - Wraps to D3D7
 397  ******************************************************************************/
 398 struct IDirect3DLightImpl
 399 {
 400     ICOM_VFIELD_MULTI(IDirect3DLight);
 401     LONG ref;
 402
 403     /* IDirect3DLight fields */
 404     IDirectDrawImpl           *ddraw;
 405
 406     /* If this light is active for one viewport, put the viewport here */
 407     IDirect3DViewportImpl     *active_viewport;
 408
 409     D3DLIGHT2 light;
 410     D3DLIGHT7 light7;
 411
 412     DWORD dwLightIndex;
 413
 414     /* Chained list used for adding / removing from viewports */
 415     IDirect3DLightImpl        *next;
 416
 417     /* Activation function */
 418     void                      (*activate)(IDirect3DLightImpl*);
 419     void                      (*desactivate)(IDirect3DLightImpl*);
 420     void                      (*update)(IDirect3DLightImpl*);
 421 };
 422
 423 /* Vtable */
 424 const IDirect3DLightVtbl IDirect3DLight_Vtbl;
 425
 426 /* Helper functions */
 427 void light_update(IDirect3DLightImpl* This);
 428 void light_activate(IDirect3DLightImpl* This);
 429 void light_desactivate(IDirect3DLightImpl* This);
 430
 431 /******************************************************************************
 432  * IDirect3DMaterial implementation structure - Wraps to D3D7
 433  ******************************************************************************/
 434 struct IDirect3DMaterialImpl
 435 {
 436     ICOM_VFIELD_MULTI(IDirect3DMaterial3);
 437     ICOM_VFIELD_MULTI(IDirect3DMaterial2);
 438     ICOM_VFIELD_MULTI(IDirect3DMaterial);
 439     LONG  ref;
 440
 441     /* IDirect3DMaterial2 fields */
 442     IDirectDrawImpl               *ddraw;
 443     IDirect3DDeviceImpl           *active_device;
 444
 445     D3DMATERIAL mat;
 446
 447     void (*activate)(IDirect3DMaterialImpl* this);
 448 };
 449
 450 /* VTables in varios versions */
 451 const IDirect3DMaterialVtbl IDirect3DMaterial_Vtbl;
 452 const IDirect3DMaterial2Vtbl IDirect3DMaterial2_Vtbl;
 453 const IDirect3DMaterial3Vtbl IDirect3DMaterial3_Vtbl;
 454
 455 /* Helper functions */
 456 void material_activate(IDirect3DMaterialImpl* This);
 457
 458 /*****************************************************************************
 459  * IDirect3DViewport - Wraps to D3D7
 460  *****************************************************************************/
 461 struct IDirect3DViewportImpl
 462 {
 463     ICOM_VFIELD_MULTI(IDirect3DViewport3);
 464     LONG ref;
 465
 466     /* IDirect3DViewport fields */
 467     IDirectDrawImpl           *ddraw;
 468
 469     /* If this viewport is active for one device, put the device here */
 470     IDirect3DDeviceImpl       *active_device;
 471
 472     DWORD                     num_lights;
 473     DWORD                     map_lights;
 474
 475     int                       use_vp2;
 476
 477     union
 478     {
 479         D3DVIEWPORT vp1;
 480         D3DVIEWPORT2 vp2;
 481     } viewports;
 482
 483     /* Activation function */
 484     void                      (*activate)(IDirect3DViewportImpl*);
 485
 486     /* Field used to chain viewports together */
 487     IDirect3DViewportImpl     *next;
 488
 489     /* Lights list */
 490     IDirect3DLightImpl        *lights;
 491
 492     /* Background material */
 493     IDirect3DMaterialImpl     *background;
 494 };
 495
 496 /* Vtable */
 497 const IDirect3DViewport3Vtbl IDirect3DViewport3_Vtbl;
 498
 499 /* Helper functions */
 500 void viewport_activate(IDirect3DViewportImpl* This);
 501
 502 /*****************************************************************************
 503  * IDirect3DExecuteBuffer - Wraps to D3D7
 504  *****************************************************************************/
 505 struct IDirect3DExecuteBufferImpl
 506 {
 507     /* IUnknown */
 508     ICOM_VFIELD_MULTI(IDirect3DExecuteBuffer);
 509     LONG                 ref;
 510
 511     /* IDirect3DExecuteBuffer fields */
 512     IDirectDrawImpl      *ddraw;
 513     IDirect3DDeviceImpl  *d3ddev;
 514
 515     D3DEXECUTEBUFFERDESC desc;
 516     D3DEXECUTEDATA       data;
 517
 518     /* This buffer will store the transformed vertices */
 519     void                 *vertex_data;
 520     WORD                 *indices;
 521     int                  nb_indices;
 522
 523     /* This flags is set to TRUE if we allocated ourselves the
 524      * data buffer
 525      */
 526     BOOL                 need_free;
 527 };
 528
 529 /* The VTable */
 530 const IDirect3DExecuteBufferVtbl IDirect3DExecuteBuffer_Vtbl;
 531
 532 /* The execute function */
 533 void
 534 IDirect3DExecuteBufferImpl_Execute(IDirect3DExecuteBufferImpl *This,
 535                                    IDirect3DDeviceImpl *Device,
 536                                    IDirect3DViewportImpl *ViewportImpl);
 537
 538 /*****************************************************************************
 539  * IDirect3DVertexBuffer
 540  *****************************************************************************/
 541 struct IDirect3DVertexBufferImpl
 542 {
 543     /*** IUnknown Methods ***/
 544     ICOM_VFIELD_MULTI(IDirect3DVertexBuffer7);
 545     ICOM_VFIELD_MULTI(IDirect3DVertexBuffer);
 546     LONG                 ref;
 547
 548     /*** WineD3D link ***/
 549     IWineD3DVertexBuffer *wineD3DVertexBuffer;
 550
 551     /*** Storage for D3D7 specific things ***/
 552     DWORD                Caps;
 553 };
 554
 555 /* The Vtables */
 556 const IDirect3DVertexBuffer7Vtbl IDirect3DVertexBuffer7_Vtbl;
 557 const IDirect3DVertexBufferVtbl IDirect3DVertexBuffer1_Vtbl;
 558
 559 /*****************************************************************************
 560  * Helper functions from utils.c
 561  *****************************************************************************/
 562
 563 #define GET_TEXCOUNT_FROM_FVF(d3dvtVertexType) \
 564     (((d3dvtVertexType) & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT)
 565
 566 #define GET_TEXCOORD_SIZE_FROM_FVF(d3dvtVertexType, tex_num) \
 567     (((((d3dvtVertexType) >> (16 + (2 * (tex_num)))) + 1) & 0x03) + 1)
 568
 569 void PixelFormat_WineD3DtoDD(DDPIXELFORMAT *DDPixelFormat, WINED3DFORMAT WineD3DFormat);
 570 WINED3DFORMAT PixelFormat_DD2WineD3D(DDPIXELFORMAT *DDPixelFormat);
 571 void DDRAW_dump_surface_desc(const DDSURFACEDESC2 *lpddsd);
 572 void DDRAW_dump_pixelformat(const DDPIXELFORMAT *PixelFormat);
 573 void dump_D3DMATRIX(D3DMATRIX *mat);
 574 void DDRAW_dump_DDCAPS(const DDCAPS *lpcaps);
 575 DWORD get_flexible_vertex_size(DWORD d3dvtVertexType);
 576 void DDRAW_dump_DDSCAPS2(const DDSCAPS2 *in);
 577 void DDRAW_dump_cooperativelevel(DWORD cooplevel);
 578
 579 /* This only needs to be here as long the processvertices functionality of
 580  * IDirect3DExecuteBuffer isn't in WineD3D */
 581 void multiply_matrix(LPD3DMATRIX dest, LPD3DMATRIX src1, LPD3DMATRIX src2);
 582
 583 /* Used for generic dumping */
 584 typedef struct
 585 {
 586     DWORD val;
 587     const char* name;
 588 } flag_info;
 589
 590 #define FE(x) { x, #x }
 591
 592 typedef struct
 593 {
 594     DWORD val;
 595     const char* name;
 596     void (*func)(const void *);
 597     ptrdiff_t offset;
 598 } member_info;
 599
 600 /* Structure copy */
 601 #define DDRAW_dump_flags(flags,names,num_names) DDRAW_dump_flags_(flags, names, num_names, 1)
 602 #define ME(x,f,e) { x, #x, (void (*)(const void *))(f), offsetof(STRUCT, e) }
 603
 604 #define DD_STRUCT_COPY_BYSIZE(to,from)                  \
 605         do {                                            \
 606                 DWORD __size = (to)->dwSize;            \
 607                 DWORD __copysize = __size;              \
 608                 DWORD __resetsize = __size;             \
 609                 assert(to != from);                     \
 610                 if (__resetsize > sizeof(*to))          \
 611                     __resetsize = sizeof(*to);          \
 612                 memset(to,0,__resetsize);               \
 613                 if ((from)->dwSize < __size)            \
 614                     __copysize = (from)->dwSize;        \
 615                 memcpy(to,from,__copysize);             \
 616                 (to)->dwSize = __size;/*restore size*/  \
 617         } while (0)
 618
 619
 620 #endif
 621
 622 HRESULT hr_ddraw_from_wined3d(HRESULT hr);