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 #include <limits.h>
  24 #include <math.h>
  25 #include <stdbool.h>
  26 #define COBJMACROS
  27 #define NONAMELESSSTRUCT
  28 #define NONAMELESSUNION
  29 #include "wine/debug.h"
  30 #include "wine/heap.h"
  31
  32 #include "winbase.h"
  33 #include "wingdi.h"
  34 #include "winuser.h"
  35
  36 #include "d3d.h"
  37 #include "ddraw.h"
  38 #ifdef DDRAW_INIT_GUID
  39 #include "initguid.h"
  40 #endif
  41 #include "wine/list.h"
  42 #include "wine/wined3d.h"
  43
  44 extern const struct wined3d_parent_ops ddraw_null_wined3d_parent_ops DECLSPEC_HIDDEN;
  45 extern DWORD force_refresh_rate DECLSPEC_HIDDEN;
  46
  47 /*****************************************************************************
  48  * IDirectDraw implementation structure
  49  *****************************************************************************/
  50 struct FvfToDecl
  51 {
  52     DWORD fvf;
  53     struct wined3d_vertex_declaration *decl;
  54 };
  55
  56 #define DDRAW_INITIALIZED       0x00000001
  57 #define DDRAW_D3D_INITIALIZED   0x00000002
  58 #define DDRAW_RESTORE_MODE      0x00000004
  59 #define DDRAW_NO3D              0x00000008
  60 #define DDRAW_SCL_DDRAW1        0x00000010
  61 #define DDRAW_SCL_RECURSIVE     0x00000020
  62 #define DDRAW_SWAPPED           0x00000040
  63
  64 #define DDRAW_STRIDE_ALIGNMENT  8
  65
  66 #define DDRAW_WINED3D_FLAGS     (WINED3D_LEGACY_DEPTH_BIAS | WINED3D_VIDMEM_ACCOUNTING \
  67         | WINED3D_RESTORE_MODE_ON_ACTIVATE | WINED3D_FOCUS_MESSAGES | WINED3D_PIXEL_CENTER_INTEGER \
  68         | WINED3D_LEGACY_UNBOUND_RESOURCE_COLOR | WINED3D_NO_PRIMITIVE_RESTART \
  69         | WINED3D_LEGACY_CUBEMAP_FILTERING)
  70
  71 #define DDRAW_MAX_ACTIVE_LIGHTS 32
  72 #define DDRAW_MAX_TEXTURES 8
  73
  74 enum ddraw_device_state
  75 {
  76     DDRAW_DEVICE_STATE_OK,
  77     DDRAW_DEVICE_STATE_LOST,
  78     DDRAW_DEVICE_STATE_NOT_RESTORED,
  79 };
  80
  81 struct ddraw
  82 {
  83     /* Interfaces */
  84     IDirectDraw7 IDirectDraw7_iface;
  85     IDirectDraw4 IDirectDraw4_iface;
  86     IDirectDraw2 IDirectDraw2_iface;
  87     IDirectDraw IDirectDraw_iface;
  88     IDirect3D7 IDirect3D7_iface;
  89     IDirect3D3 IDirect3D3_iface;
  90     IDirect3D2 IDirect3D2_iface;
  91     IDirect3D IDirect3D_iface;
  92     struct wined3d_device_parent device_parent;
  93
  94     /* See comment in IDirectDraw::AddRef */
  95     LONG                    ref7, ref4, ref2, ref3, ref1, numIfaces;
  96
  97     struct wined3d *wined3d;
  98     struct wined3d_adapter *wined3d_adapter;
  99     struct wined3d_output *wined3d_output;
 100     struct wined3d_device *wined3d_device;
 101     struct wined3d_device_context *immediate_context;
 102     DWORD flags;
 103     LONG device_state;
 104
 105     struct ddraw_surface *primary;
 106     RECT primary_lock;
 107     struct wined3d_texture *wined3d_frontbuffer;
 108     struct wined3d_texture *gdi_surface;
 109     struct wined3d_swapchain *wined3d_swapchain;
 110     struct wined3d_swapchain_state_parent state_parent;
 111     HWND swapchain_window;
 112
 113     /* DirectDraw things, which are not handled by WineD3D */
 114     DWORD                   cooperative_level;
 115
 116     /* D3D things */
 117     HWND                    d3d_window;
 118     struct d3d_device *d3ddevice;
 119     int                     d3dversion;
 120
 121     /* Various HWNDs */
 122     HWND                    focuswindow;
 123     HWND                    devicewindow;
 124     HWND                    dest_window;
 125
 126     /* For the dll unload cleanup code */
 127     struct list ddraw_list_entry;
 128     /* The surface list - can't relay this to WineD3D
 129      * because of IParent
 130      */
 131     struct list surface_list;
 132
 133     /* FVF management */
 134     struct FvfToDecl       *decls;
 135     UINT                    numConvertedDecls, declArraySize;
 136
 137     struct wined3d_stateblock *state;
 138     const struct wined3d_stateblock_state *stateblock_state;
 139 };
 140
 141 #define DDRAW_WINDOW_CLASS_NAME "DirectDrawDeviceWnd"
 142
 143 HRESULT ddraw_init(struct ddraw *ddraw, DWORD flags, enum wined3d_device_type device_type) DECLSPEC_HIDDEN;
 144 void ddraw_d3dcaps1_from_7(D3DDEVICEDESC *caps1, D3DDEVICEDESC7 *caps7) DECLSPEC_HIDDEN;
 145 HRESULT ddraw_get_d3dcaps(const struct ddraw *ddraw, D3DDEVICEDESC7 *caps) DECLSPEC_HIDDEN;
 146 void ddraw_update_lost_surfaces(struct ddraw *ddraw) DECLSPEC_HIDDEN;
 147
 148 static inline void ddraw_set_swapchain_window(struct ddraw *ddraw, HWND window)
 149 {
 150     if (window == GetDesktopWindow())
 151         window = NULL;
 152     ddraw->swapchain_window = window;
 153 }
 154
 155 /* Utility functions */
 156 void DDRAW_Convert_DDSCAPS_1_To_2(const DDSCAPS *pIn, DDSCAPS2 *pOut) DECLSPEC_HIDDEN;
 157 void DDRAW_Convert_DDDEVICEIDENTIFIER_2_To_1(const DDDEVICEIDENTIFIER2 *pIn, DDDEVICEIDENTIFIER *pOut) DECLSPEC_HIDDEN;
 158 struct wined3d_vertex_declaration *ddraw_find_decl(struct ddraw *ddraw, DWORD fvf) DECLSPEC_HIDDEN;
 159
 160 #define DDRAW_SURFACE_LOCATION_DEFAULT 0x00000001
 161 #define DDRAW_SURFACE_LOCATION_DRAW    0x00000002
 162
 163 struct ddraw_surface
 164 {
 165     /* IUnknown fields */
 166     IDirectDrawSurface7 IDirectDrawSurface7_iface;
 167     IDirectDrawSurface4 IDirectDrawSurface4_iface;
 168     IDirectDrawSurface3 IDirectDrawSurface3_iface;
 169     IDirectDrawSurface2 IDirectDrawSurface2_iface;
 170     IDirectDrawSurface IDirectDrawSurface_iface;
 171     IDirectDrawGammaControl IDirectDrawGammaControl_iface;
 172     IDirect3DTexture2 IDirect3DTexture2_iface;
 173     IDirect3DTexture IDirect3DTexture_iface;
 174
 175     LONG                     ref7, ref4, ref3, ref2, ref1, iface_count, gamma_count;
 176     IUnknown                *ifaceToRelease;
 177     IUnknown *texture_outer;
 178
 179     int                     version;
 180
 181     /* Connections to other Objects */
 182     struct ddraw *ddraw;
 183     unsigned int texture_location;
 184     struct wined3d_texture *wined3d_texture;
 185     struct wined3d_texture *draw_texture;
 186     unsigned int sub_resource_idx;
 187     struct wined3d_rendertarget_view *wined3d_rtv;
 188     struct wined3d_private_store private_store;
 189     struct d3d_device *device1;
 190
 191     /* This implementation handles attaching surfaces to other surfaces */
 192     struct ddraw_surface *next_attached;
 193     struct ddraw_surface *first_attached;
 194     IUnknown                *attached_iface;
 195
 196     /* Complex surfaces are organized in a tree, although the tree is degenerated to a list in most cases.
 197      * In mipmap and primary surfaces each level has only one attachment, which is the next surface level.
 198      * Only the cube texture root has 6 surfaces attached, which then have a normal mipmap chain attached
 199      * to them. So hardcode the array to 6, a dynamic array or a list would be an overkill.
 200      */
 201 #define MAX_COMPLEX_ATTACHED 6
 202     struct ddraw_surface *complex_array[MAX_COMPLEX_ATTACHED];
 203     /* You can't traverse the tree upwards. Only a flag for Surface::Release because it's needed there,
 204      * but no pointer to prevent temptations to traverse it in the wrong direction.
 205      */
 206     unsigned int is_complex_root : 1;
 207     unsigned int is_lost : 1;
 208     unsigned int sysmem_fallback : 1;
 209
 210     /* Surface description, for GetAttachedSurface */
 211     DDSURFACEDESC2          surface_desc;
 212
 213     /* Clipper objects */
 214     struct ddraw_clipper *clipper;
 215     struct ddraw_palette *palette;
 216
 217     /* For the ddraw surface list */
 218     struct list             surface_list_entry;
 219
 220     DWORD                   Handle;
 221     HDC dc;
 222 };
 223
 224 struct ddraw_texture
 225 {
 226     unsigned int version;
 227     DDSURFACEDESC2 surface_desc;
 228
 229     struct ddraw_surface *root;
 230     struct wined3d_device *wined3d_device;
 231
 232     void *texture_memory;
 233 };
 234
 235 HRESULT ddraw_surface_create(struct ddraw *ddraw, const DDSURFACEDESC2 *surface_desc,
 236         struct ddraw_surface **surface, IUnknown *outer_unknown, unsigned int version) DECLSPEC_HIDDEN;
 237 struct wined3d_rendertarget_view *ddraw_surface_get_rendertarget_view(struct ddraw_surface *surface) DECLSPEC_HIDDEN;
 238 void ddraw_surface_init(struct ddraw_surface *surface, struct ddraw *ddraw,
 239         struct wined3d_texture *wined3d_texture, unsigned int sub_resource_idx,
 240         const struct wined3d_parent_ops **parent_ops) DECLSPEC_HIDDEN;
 241 HRESULT ddraw_surface_update_frontbuffer(struct ddraw_surface *surface,
 242         const RECT *rect, BOOL read, unsigned int swap_interval) DECLSPEC_HIDDEN;
 243
 244 static inline struct ddraw_surface *impl_from_IDirect3DTexture(IDirect3DTexture *iface)
 245 {
 246     return CONTAINING_RECORD(iface, struct ddraw_surface, IDirect3DTexture_iface);
 247 }
 248
 249 static inline struct ddraw_surface *impl_from_IDirect3DTexture2(IDirect3DTexture2 *iface)
 250 {
 251     return CONTAINING_RECORD(iface, struct ddraw_surface, IDirect3DTexture2_iface);
 252 }
 253
 254 static inline struct ddraw_surface *impl_from_IDirectDrawSurface(IDirectDrawSurface *iface)
 255 {
 256     return CONTAINING_RECORD(iface, struct ddraw_surface, IDirectDrawSurface_iface);
 257 }
 258
 259 static inline struct ddraw_surface *impl_from_IDirectDrawSurface2(IDirectDrawSurface2 *iface)
 260 {
 261     return CONTAINING_RECORD(iface, struct ddraw_surface, IDirectDrawSurface2_iface);
 262 }
 263
 264 static inline struct ddraw_surface *impl_from_IDirectDrawSurface3(IDirectDrawSurface3 *iface)
 265 {
 266     return CONTAINING_RECORD(iface, struct ddraw_surface, IDirectDrawSurface3_iface);
 267 }
 268
 269 static inline struct ddraw_surface *impl_from_IDirectDrawSurface4(IDirectDrawSurface4 *iface)
 270 {
 271     return CONTAINING_RECORD(iface, struct ddraw_surface, IDirectDrawSurface4_iface);
 272 }
 273
 274 static inline struct ddraw_surface *impl_from_IDirectDrawSurface7(IDirectDrawSurface7 *iface)
 275 {
 276     return CONTAINING_RECORD(iface, struct ddraw_surface, IDirectDrawSurface7_iface);
 277 }
 278
 279 struct ddraw_surface *unsafe_impl_from_IDirectDrawSurface(IDirectDrawSurface *iface) DECLSPEC_HIDDEN;
 280 struct ddraw_surface *unsafe_impl_from_IDirectDrawSurface4(IDirectDrawSurface4 *iface) DECLSPEC_HIDDEN;
 281 struct ddraw_surface *unsafe_impl_from_IDirectDrawSurface7(IDirectDrawSurface7 *iface) DECLSPEC_HIDDEN;
 282
 283 struct ddraw_surface *unsafe_impl_from_IDirect3DTexture(IDirect3DTexture *iface) DECLSPEC_HIDDEN;
 284 struct ddraw_surface *unsafe_impl_from_IDirect3DTexture2(IDirect3DTexture2 *iface) DECLSPEC_HIDDEN;
 285
 286 #define DDRAW_INVALID_HANDLE ~0U
 287
 288 enum ddraw_handle_type
 289 {
 290     DDRAW_HANDLE_FREE,
 291     DDRAW_HANDLE_MATERIAL,
 292     DDRAW_HANDLE_MATRIX,
 293     DDRAW_HANDLE_STATEBLOCK,
 294     DDRAW_HANDLE_SURFACE,
 295 };
 296
 297 struct ddraw_handle_entry
 298 {
 299     void *object;
 300     enum ddraw_handle_type type;
 301 };
 302
 303 struct ddraw_handle_table
 304 {
 305     struct ddraw_handle_entry *entries;
 306     struct ddraw_handle_entry *free_entries;
 307     UINT table_size;
 308     UINT entry_count;
 309 };
 310
 311 BOOL ddraw_handle_table_init(struct ddraw_handle_table *t, UINT initial_size) DECLSPEC_HIDDEN;
 312 void ddraw_handle_table_destroy(struct ddraw_handle_table *t) DECLSPEC_HIDDEN;
 313 DWORD ddraw_allocate_handle(struct ddraw_handle_table *t, void *object, enum ddraw_handle_type type) DECLSPEC_HIDDEN;
 314 void *ddraw_free_handle(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type) DECLSPEC_HIDDEN;
 315 void *ddraw_get_object(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type) DECLSPEC_HIDDEN;
 316
 317 struct d3d_device
 318 {
 319     /* IUnknown */
 320     IDirect3DDevice7 IDirect3DDevice7_iface;
 321     IDirect3DDevice3 IDirect3DDevice3_iface;
 322     IDirect3DDevice2 IDirect3DDevice2_iface;
 323     IDirect3DDevice IDirect3DDevice_iface;
 324     IUnknown IUnknown_inner;
 325     LONG ref;
 326     UINT version;
 327     BOOL hardware_device;
 328
 329     IUnknown *outer_unknown;
 330     struct wined3d_device *wined3d_device;
 331     struct wined3d_device_context *immediate_context;
 332     struct ddraw *ddraw;
 333     IUnknown *rt_iface;
 334
 335     struct wined3d_buffer *index_buffer;
 336     UINT index_buffer_size;
 337     UINT index_buffer_pos;
 338
 339     struct wined3d_buffer *vertex_buffer;
 340     UINT vertex_buffer_size;
 341     UINT vertex_buffer_pos;
 342
 343     /* Viewport management */
 344     struct list viewport_list;
 345     struct d3d_viewport *current_viewport;
 346     D3DVIEWPORT7 active_viewport;
 347
 348     /* Required to keep track which of two available texture blending modes in d3ddevice3 is used */
 349     BOOL legacyTextureBlending;
 350     D3DTEXTUREBLEND texture_map_blend;
 351
 352     struct wined3d_matrix legacy_projection, legacy_clipspace;
 353
 354     /* Light state */
 355     DWORD material;
 356
 357     /* Rendering functions to wrap D3D(1-3) to D3D7 */
 358     D3DPRIMITIVETYPE primitive_type;
 359     DWORD vertex_type;
 360     DWORD render_flags;
 361     DWORD nb_vertices;
 362     BYTE *sysmem_vertex_buffer;
 363     DWORD vertex_size;
 364     DWORD buffer_size;
 365
 366     /* Handle management */
 367     struct ddraw_handle_table handle_table;
 368     D3DMATRIXHANDLE          world, proj, view;
 369
 370     struct wined3d_vec4 user_clip_planes[D3DMAXUSERCLIPPLANES];
 371
 372     struct wined3d_stateblock *recording, *state, *update_state;
 373     const struct wined3d_stateblock_state *stateblock_state;
 374 };
 375
 376 HRESULT d3d_device_create(struct ddraw *ddraw, const GUID *guid, struct ddraw_surface *target, IUnknown *rt_iface,
 377         UINT version, struct d3d_device **device, IUnknown *outer_unknown) DECLSPEC_HIDDEN;
 378 enum wined3d_depth_buffer_type d3d_device_update_depth_stencil(struct d3d_device *device) DECLSPEC_HIDDEN;
 379
 380 /* The IID */
 381 extern const GUID IID_D3DDEVICE_WineD3D DECLSPEC_HIDDEN;
 382
 383 static inline struct d3d_device *impl_from_IDirect3DDevice(IDirect3DDevice *iface)
 384 {
 385     return CONTAINING_RECORD(iface, struct d3d_device, IDirect3DDevice_iface);
 386 }
 387
 388 static inline struct d3d_device *impl_from_IDirect3DDevice2(IDirect3DDevice2 *iface)
 389 {
 390     return CONTAINING_RECORD(iface, struct d3d_device, IDirect3DDevice2_iface);
 391 }
 392
 393 static inline struct d3d_device *impl_from_IDirect3DDevice3(IDirect3DDevice3 *iface)
 394 {
 395     return CONTAINING_RECORD(iface, struct d3d_device, IDirect3DDevice3_iface);
 396 }
 397
 398 static inline struct d3d_device *impl_from_IDirect3DDevice7(IDirect3DDevice7 *iface)
 399 {
 400     return CONTAINING_RECORD(iface, struct d3d_device, IDirect3DDevice7_iface);
 401 }
 402
 403 struct d3d_device *unsafe_impl_from_IDirect3DDevice(IDirect3DDevice *iface) DECLSPEC_HIDDEN;
 404 struct d3d_device *unsafe_impl_from_IDirect3DDevice2(IDirect3DDevice2 *iface) DECLSPEC_HIDDEN;
 405 struct d3d_device *unsafe_impl_from_IDirect3DDevice3(IDirect3DDevice3 *iface) DECLSPEC_HIDDEN;
 406 struct d3d_device *unsafe_impl_from_IDirect3DDevice7(IDirect3DDevice7 *iface) DECLSPEC_HIDDEN;
 407
 408 struct ddraw_clipper
 409 {
 410     IDirectDrawClipper IDirectDrawClipper_iface;
 411     LONG ref;
 412     HWND window;
 413     HRGN region;
 414     BOOL initialized;
 415 };
 416
 417 HRESULT ddraw_clipper_init(struct ddraw_clipper *clipper) DECLSPEC_HIDDEN;
 418 struct ddraw_clipper *unsafe_impl_from_IDirectDrawClipper(IDirectDrawClipper *iface) DECLSPEC_HIDDEN;
 419 BOOL ddraw_clipper_is_valid(const struct ddraw_clipper *clipper) DECLSPEC_HIDDEN;
 420
 421 /*****************************************************************************
 422  * IDirectDrawPalette implementation structure
 423  *****************************************************************************/
 424 struct ddraw_palette
 425 {
 426     /* IUnknown fields */
 427     IDirectDrawPalette IDirectDrawPalette_iface;
 428     LONG ref;
 429
 430     struct wined3d_palette *wined3d_palette;
 431     struct ddraw *ddraw;
 432     IUnknown *ifaceToRelease;
 433     DWORD flags;
 434 };
 435
 436 static inline struct ddraw_palette *impl_from_IDirectDrawPalette(IDirectDrawPalette *iface)
 437 {
 438     return CONTAINING_RECORD(iface, struct ddraw_palette, IDirectDrawPalette_iface);
 439 }
 440
 441 struct ddraw_palette *unsafe_impl_from_IDirectDrawPalette(IDirectDrawPalette *iface) DECLSPEC_HIDDEN;
 442
 443 HRESULT ddraw_palette_init(struct ddraw_palette *palette,
 444         struct ddraw *ddraw, DWORD flags, PALETTEENTRY *entries) DECLSPEC_HIDDEN;
 445
 446 /* Helper structures */
 447 struct object_creation_info
 448 {
 449     const CLSID *clsid;
 450     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, REFIID riid,
 451                                  void **ppObj);
 452 };
 453
 454 /******************************************************************************
 455  * IDirect3DLight implementation structure - Wraps to D3D7
 456  ******************************************************************************/
 457 struct d3d_light
 458 {
 459     IDirect3DLight IDirect3DLight_iface;
 460     LONG ref;
 461
 462     /* IDirect3DLight fields */
 463     struct ddraw *ddraw;
 464
 465     /* If this light is active for one viewport, put the viewport here */
 466     struct d3d_viewport *active_viewport;
 467
 468     D3DLIGHT2 light;
 469     D3DLIGHT7 light7;
 470
 471     DWORD active_light_index;
 472
 473     struct list entry;
 474 };
 475
 476 /* Helper functions */
 477 void light_activate(struct d3d_light *light) DECLSPEC_HIDDEN;
 478 void light_deactivate(struct d3d_light *light) DECLSPEC_HIDDEN;
 479 void d3d_light_init(struct d3d_light *light, struct ddraw *ddraw) DECLSPEC_HIDDEN;
 480 struct d3d_light *unsafe_impl_from_IDirect3DLight(IDirect3DLight *iface) DECLSPEC_HIDDEN;
 481
 482 /******************************************************************************
 483  * IDirect3DMaterial implementation structure - Wraps to D3D7
 484  ******************************************************************************/
 485 struct d3d_material
 486 {
 487     IDirect3DMaterial3 IDirect3DMaterial3_iface;
 488     IDirect3DMaterial2 IDirect3DMaterial2_iface;
 489     IDirect3DMaterial IDirect3DMaterial_iface;
 490     LONG  ref;
 491
 492     /* IDirect3DMaterial2 fields */
 493     struct ddraw *ddraw;
 494     struct d3d_device *active_device;
 495
 496     D3DMATERIAL mat;
 497     DWORD Handle;
 498 };
 499
 500 /* Helper functions */
 501 void material_activate(struct d3d_material *material) DECLSPEC_HIDDEN;
 502 struct d3d_material *d3d_material_create(struct ddraw *ddraw) DECLSPEC_HIDDEN;
 503
 504 enum ddraw_viewport_version
 505 {
 506     DDRAW_VIEWPORT_VERSION_NONE,
 507     DDRAW_VIEWPORT_VERSION_1,
 508     DDRAW_VIEWPORT_VERSION_2,
 509 };
 510
 511 /*****************************************************************************
 512  * IDirect3DViewport - Wraps to D3D7
 513  *****************************************************************************/
 514 struct d3d_viewport
 515 {
 516     IDirect3DViewport3 IDirect3DViewport3_iface;
 517     LONG ref;
 518
 519     /* IDirect3DViewport fields */
 520     struct ddraw *ddraw;
 521
 522     /* If this viewport is active for one device, put the device here */
 523     struct d3d_device *active_device;
 524
 525     DWORD                     active_lights_count;
 526     DWORD                     map_lights;
 527
 528     enum ddraw_viewport_version version;
 529
 530     union
 531     {
 532         D3DVIEWPORT vp1;
 533         D3DVIEWPORT2 vp2;
 534     } viewports;
 535
 536     struct list entry;
 537     struct list light_list;
 538     struct d3d_material *background;
 539 };
 540
 541 struct d3d_viewport *unsafe_impl_from_IDirect3DViewport3(IDirect3DViewport3 *iface) DECLSPEC_HIDDEN;
 542 struct d3d_viewport *unsafe_impl_from_IDirect3DViewport2(IDirect3DViewport2 *iface) DECLSPEC_HIDDEN;
 543 struct d3d_viewport *unsafe_impl_from_IDirect3DViewport(IDirect3DViewport *iface) DECLSPEC_HIDDEN;
 544
 545 /* Helper functions */
 546 void viewport_activate(struct d3d_viewport *viewport, BOOL ignore_lights) DECLSPEC_HIDDEN;
 547 void viewport_deactivate(struct d3d_viewport *viewport) DECLSPEC_HIDDEN;
 548 void d3d_viewport_init(struct d3d_viewport *viewport, struct ddraw *ddraw) DECLSPEC_HIDDEN;
 549
 550 /*****************************************************************************
 551  * IDirect3DExecuteBuffer - Wraps to D3D7
 552  *****************************************************************************/
 553 struct d3d_execute_buffer
 554 {
 555     IDirect3DExecuteBuffer IDirect3DExecuteBuffer_iface;
 556     LONG ref;
 557     /* IDirect3DExecuteBuffer fields */
 558     struct ddraw *ddraw;
 559     struct d3d_device *d3ddev;
 560
 561     D3DEXECUTEBUFFERDESC desc;
 562     D3DEXECUTEDATA       data;
 563
 564     /* This buffer will store the transformed vertices */
 565     unsigned int         index_size, index_pos;
 566     unsigned int         vertex_size, src_vertex_pos;
 567     struct wined3d_buffer *src_vertex_buffer, *dst_vertex_buffer, *index_buffer;
 568
 569     /* This flags is set to TRUE if we allocated ourselves the
 570      * data buffer
 571      */
 572     BOOL                 need_free;
 573 };
 574
 575 HRESULT d3d_execute_buffer_init(struct d3d_execute_buffer *execute_buffer,
 576         struct d3d_device *device, D3DEXECUTEBUFFERDESC *desc) DECLSPEC_HIDDEN;
 577 struct d3d_execute_buffer *unsafe_impl_from_IDirect3DExecuteBuffer(IDirect3DExecuteBuffer *iface) DECLSPEC_HIDDEN;
 578
 579 /* The execute function */
 580 HRESULT d3d_execute_buffer_execute(struct d3d_execute_buffer *execute_buffer,
 581         struct d3d_device *device) DECLSPEC_HIDDEN;
 582
 583 /*****************************************************************************
 584  * IDirect3DVertexBuffer
 585  *****************************************************************************/
 586 struct d3d_vertex_buffer
 587 {
 588     IDirect3DVertexBuffer7 IDirect3DVertexBuffer7_iface;
 589     LONG ref;
 590     unsigned int version;
 591
 592     /*** WineD3D and ddraw links ***/
 593     struct wined3d_buffer *wined3d_buffer;
 594     struct wined3d_vertex_declaration *wined3d_declaration;
 595     struct ddraw *ddraw;
 596
 597     /*** Storage for D3D7 specific things ***/
 598     DWORD                Caps;
 599     DWORD                fvf;
 600     DWORD                size;
 601     BOOL                 dynamic;
 602     bool discarded;
 603 };
 604
 605 HRESULT d3d_vertex_buffer_create(struct d3d_vertex_buffer **buffer, struct ddraw *ddraw,
 606         D3DVERTEXBUFFERDESC *desc) DECLSPEC_HIDDEN;
 607 struct d3d_vertex_buffer *unsafe_impl_from_IDirect3DVertexBuffer(IDirect3DVertexBuffer *iface) DECLSPEC_HIDDEN;
 608 struct d3d_vertex_buffer *unsafe_impl_from_IDirect3DVertexBuffer7(IDirect3DVertexBuffer7 *iface) DECLSPEC_HIDDEN;
 609
 610 /*****************************************************************************
 611  * Helper functions from utils.c
 612  *****************************************************************************/
 613
 614 #define GET_TEXCOUNT_FROM_FVF(d3dvtVertexType) \
 615     (((d3dvtVertexType) & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT)
 616
 617 #define GET_TEXCOORD_SIZE_FROM_FVF(d3dvtVertexType, tex_num) \
 618     (((((d3dvtVertexType) >> (16 + (2 * (tex_num)))) + 1) & 0x03) + 1)
 619
 620 void ddrawformat_from_wined3dformat(DDPIXELFORMAT *ddraw_format,
 621         enum wined3d_format_id wined3d_format) DECLSPEC_HIDDEN;
 622 BOOL wined3d_colour_from_ddraw_colour(const DDPIXELFORMAT *pf, const struct ddraw_palette *palette,
 623         DWORD colour, struct wined3d_color *wined3d_colour) DECLSPEC_HIDDEN;
 624 enum wined3d_format_id wined3dformat_from_ddrawformat(const DDPIXELFORMAT *format) DECLSPEC_HIDDEN;
 625 unsigned int wined3dmapflags_from_ddrawmapflags(unsigned int flags) DECLSPEC_HIDDEN;
 626 void DDRAW_dump_surface_desc(const DDSURFACEDESC2 *lpddsd) DECLSPEC_HIDDEN;
 627 void dump_D3DMATRIX(const D3DMATRIX *mat) DECLSPEC_HIDDEN;
 628 void DDRAW_dump_DDCAPS(const DDCAPS *lpcaps) DECLSPEC_HIDDEN;
 629 DWORD get_flexible_vertex_size(DWORD d3dvtVertexType) DECLSPEC_HIDDEN;
 630 void DDRAW_dump_DDSCAPS2(const DDSCAPS2 *in) DECLSPEC_HIDDEN;
 631 void DDRAW_dump_cooperativelevel(DWORD cooplevel) DECLSPEC_HIDDEN;
 632 void DDSD_to_DDSD2(const DDSURFACEDESC *in, DDSURFACEDESC2 *out) DECLSPEC_HIDDEN;
 633 void DDSD2_to_DDSD(const DDSURFACEDESC2 *in, DDSURFACEDESC *out) DECLSPEC_HIDDEN;
 634
 635 void multiply_matrix(struct wined3d_matrix *dst, const struct wined3d_matrix *src1,
 636         const struct wined3d_matrix *src2) DECLSPEC_HIDDEN;
 637
 638 static inline BOOL format_is_compressed(const DDPIXELFORMAT *format)
 639 {
 640     return (format->dwFlags & DDPF_FOURCC) && (format->dwFourCC == WINED3DFMT_DXT1
 641             || format->dwFourCC == WINED3DFMT_DXT2 || format->dwFourCC == WINED3DFMT_DXT3
 642             || format->dwFourCC == WINED3DFMT_DXT4 || format->dwFourCC == WINED3DFMT_DXT5);
 643 }
 644
 645 static inline BOOL format_is_paletteindexed(const DDPIXELFORMAT *fmt)
 646 {
 647     DWORD flags = DDPF_PALETTEINDEXED1 | DDPF_PALETTEINDEXED2 | DDPF_PALETTEINDEXED4
 648             | DDPF_PALETTEINDEXED8 | DDPF_PALETTEINDEXEDTO8;
 649     return !!(fmt->dwFlags & flags);
 650 }
 651
 652 static inline BOOL ddraw_surface_can_be_lost(const struct ddraw_surface *surface)
 653 {
 654     DWORD caps = surface->surface_desc.ddsCaps.dwCaps;
 655
 656     /* Testing with DDCREATE_EMULATIONONLY showed that primary surfaces and Z buffers can
 657      * be lost even if created with explicit DDCAPS_SYSTEMMEMORY. Textures can or cannot be lost
 658      * depending on whether _SYSTEMMEMORY was given explicitly by the application. */
 659     if (!(caps & DDSCAPS_SYSTEMMEMORY) || caps & (DDSCAPS_PRIMARYSURFACE | DDSCAPS_ZBUFFER))
 660         return TRUE;
 661
 662     return surface->sysmem_fallback;
 663 }
 664
 665 #define DDRAW_SURFACE_READ   0x00000001
 666 #define DDRAW_SURFACE_WRITE  0x00000002
 667 #define DDRAW_SURFACE_RW (DDRAW_SURFACE_READ | DDRAW_SURFACE_WRITE)
 668
 669 static inline struct wined3d_texture *ddraw_surface_get_default_texture(struct ddraw_surface *surface, unsigned int flags)
 670 {
 671     if (surface->draw_texture)
 672     {
 673         if (flags & DDRAW_SURFACE_READ && !(surface->texture_location & DDRAW_SURFACE_LOCATION_DEFAULT))
 674         {
 675             wined3d_device_context_copy_sub_resource_region(surface->ddraw->immediate_context,
 676                     wined3d_texture_get_resource(surface->wined3d_texture), surface->sub_resource_idx, 0, 0, 0,
 677                     wined3d_texture_get_resource(surface->draw_texture), surface->sub_resource_idx, NULL, 0);
 678             surface->texture_location |= DDRAW_SURFACE_LOCATION_DEFAULT;
 679         }
 680
 681         if (flags & DDRAW_SURFACE_WRITE)
 682             surface->texture_location = DDRAW_SURFACE_LOCATION_DEFAULT;
 683     }
 684     return surface->wined3d_texture;
 685 }
 686
 687 static inline struct wined3d_texture *ddraw_surface_get_draw_texture(struct ddraw_surface *surface, unsigned int flags)
 688 {
 689     if (!surface->draw_texture)
 690         return surface->wined3d_texture;
 691
 692     if (flags & DDRAW_SURFACE_READ && !(surface->texture_location & DDRAW_SURFACE_LOCATION_DRAW))
 693     {
 694         wined3d_device_context_copy_sub_resource_region(surface->ddraw->immediate_context,
 695                 wined3d_texture_get_resource(surface->draw_texture), surface->sub_resource_idx, 0, 0, 0,
 696                 wined3d_texture_get_resource(surface->wined3d_texture), surface->sub_resource_idx, NULL, 0);
 697         surface->texture_location |= DDRAW_SURFACE_LOCATION_DRAW;
 698     }
 699
 700     if (flags & DDRAW_SURFACE_WRITE)
 701         surface->texture_location = DDRAW_SURFACE_LOCATION_DRAW;
 702
 703     return surface->draw_texture;
 704 }
 705
 706 static inline struct wined3d_texture *ddraw_surface_get_any_texture(struct ddraw_surface *surface, unsigned int flags)
 707 {
 708     if (surface->texture_location & DDRAW_SURFACE_LOCATION_DEFAULT)
 709         return ddraw_surface_get_default_texture(surface, flags);
 710
 711     assert(surface->texture_location & DDRAW_SURFACE_LOCATION_DRAW);
 712     return ddraw_surface_get_draw_texture(surface, flags);
 713 }
 714
 715 void d3d_device_sync_surfaces(struct d3d_device *device) DECLSPEC_HIDDEN;
 716
 717 /* Used for generic dumping */
 718 struct flag_info
 719 {
 720     DWORD val;
 721     const char *name;
 722 };
 723
 724 #define FE(x) { x, #x }
 725
 726 struct member_info
 727 {
 728     DWORD val;
 729     const char *name;
 730     void (*func)(const void *);
 731     ptrdiff_t offset;
 732 };
 733
 734 /* Structure copy */
 735 #define ME(x,f,e) { x, #x, (void (*)(const void *))(f), offsetof(STRUCT, e) }
 736
 737 #define DD_STRUCT_COPY_BYSIZE_(to,from,to_size,from_size)         \
 738     do {                                                          \
 739         DWORD __size = (to)->dwSize;                              \
 740         DWORD __resetsize = min(to_size, sizeof(*to));            \
 741         DWORD __copysize = min(__resetsize, from_size);           \
 742         assert(to != from);                                       \
 743         memcpy(to, from, __copysize);                             \
 744         memset((char*)(to) + __copysize, 0, __resetsize - __copysize); \
 745         (to)->dwSize = __size; /* restore size */                 \
 746     } while (0)
 747
 748 #define DD_STRUCT_COPY_BYSIZE(to,from) DD_STRUCT_COPY_BYSIZE_(to,from,(to)->dwSize,(from)->dwSize)
 749
 750 HRESULT hr_ddraw_from_wined3d(HRESULT hr) DECLSPEC_HIDDEN;
 751
 752 void viewport_alloc_active_light_index(struct d3d_light *light) DECLSPEC_HIDDEN;
 753 void viewport_free_active_light_index(struct d3d_light *light) DECLSPEC_HIDDEN;
 754
 755 #endif