/* * Copyright 2006 Stefan Dösinger * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #ifndef __WINE_DLLS_DDRAW_DDRAW_PRIVATE_H #define __WINE_DLLS_DDRAW_DDRAW_PRIVATE_H #include #include #define COBJMACROS #define NONAMELESSSTRUCT #define NONAMELESSUNION #include "wine/debug.h" #include "winbase.h" #include "wingdi.h" #include "winuser.h" #include "d3d.h" #include "ddraw.h" #ifdef DDRAW_INIT_GUID #include "initguid.h" #endif #include "wine/list.h" #include "wine/wined3d.h" extern const struct wined3d_parent_ops ddraw_null_wined3d_parent_ops DECLSPEC_HIDDEN; extern DWORD force_refresh_rate DECLSPEC_HIDDEN; /***************************************************************************** * IDirectDraw implementation structure *****************************************************************************/ struct FvfToDecl { DWORD fvf; struct wined3d_vertex_declaration *decl; }; #define DDRAW_INITIALIZED 0x00000001 #define DDRAW_D3D_INITIALIZED 0x00000002 #define DDRAW_RESTORE_MODE 0x00000004 #define DDRAW_NO3D 0x00000008 #define DDRAW_SCL_DDRAW1 0x00000010 #define DDRAW_SCL_RECURSIVE 0x00000020 #define DDRAW_STRIDE_ALIGNMENT 8 #define DDRAW_WINED3D_FLAGS (WINED3D_LEGACY_DEPTH_BIAS | WINED3D_VIDMEM_ACCOUNTING \ | WINED3D_RESTORE_MODE_ON_ACTIVATE | WINED3D_FOCUS_MESSAGES | WINED3D_PIXEL_CENTER_INTEGER \ | WINED3D_LEGACY_UNBOUND_RESOURCE_COLOR | WINED3D_NO_PRIMITIVE_RESTART \ | WINED3D_LEGACY_CUBEMAP_FILTERING) enum ddraw_device_state { DDRAW_DEVICE_STATE_OK, DDRAW_DEVICE_STATE_LOST, DDRAW_DEVICE_STATE_NOT_RESTORED, }; struct ddraw { /* Interfaces */ IDirectDraw7 IDirectDraw7_iface; IDirectDraw4 IDirectDraw4_iface; IDirectDraw2 IDirectDraw2_iface; IDirectDraw IDirectDraw_iface; IDirect3D7 IDirect3D7_iface; IDirect3D3 IDirect3D3_iface; IDirect3D2 IDirect3D2_iface; IDirect3D IDirect3D_iface; struct wined3d_device_parent device_parent; /* See comment in IDirectDraw::AddRef */ LONG ref7, ref4, ref2, ref3, ref1, numIfaces; struct wined3d *wined3d; struct wined3d_device *wined3d_device; DWORD flags; LONG device_state; struct ddraw_surface *primary; RECT primary_lock; struct wined3d_texture *wined3d_frontbuffer; struct wined3d_swapchain *wined3d_swapchain; HWND swapchain_window; /* DirectDraw things, which are not handled by WineD3D */ DWORD cooperative_level; /* D3D things */ HWND d3d_window; struct d3d_device *d3ddevice; int d3dversion; /* Various HWNDs */ HWND focuswindow; HWND devicewindow; HWND dest_window; /* For the dll unload cleanup code */ struct list ddraw_list_entry; /* The surface list - can't relay this to WineD3D * because of IParent */ struct list surface_list; /* FVF management */ struct FvfToDecl *decls; UINT numConvertedDecls, declArraySize; }; #define DDRAW_WINDOW_CLASS_NAME "DirectDrawDeviceWnd" HRESULT ddraw_init(struct ddraw *ddraw, DWORD flags, enum wined3d_device_type device_type) DECLSPEC_HIDDEN; void ddraw_d3dcaps1_from_7(D3DDEVICEDESC *caps1, D3DDEVICEDESC7 *caps7) DECLSPEC_HIDDEN; HRESULT ddraw_get_d3dcaps(const struct ddraw *ddraw, D3DDEVICEDESC7 *caps) DECLSPEC_HIDDEN; void ddraw_update_lost_surfaces(struct ddraw *ddraw) DECLSPEC_HIDDEN; static inline void ddraw_set_swapchain_window(struct ddraw *ddraw, HWND window) { if (window == GetDesktopWindow()) window = NULL; ddraw->swapchain_window = window; } /* Utility functions */ void DDRAW_Convert_DDSCAPS_1_To_2(const DDSCAPS *pIn, DDSCAPS2 *pOut) DECLSPEC_HIDDEN; void DDRAW_Convert_DDDEVICEIDENTIFIER_2_To_1(const DDDEVICEIDENTIFIER2 *pIn, DDDEVICEIDENTIFIER *pOut) DECLSPEC_HIDDEN; struct wined3d_vertex_declaration *ddraw_find_decl(struct ddraw *ddraw, DWORD fvf) DECLSPEC_HIDDEN; struct ddraw_surface { /* IUnknown fields */ IDirectDrawSurface7 IDirectDrawSurface7_iface; IDirectDrawSurface4 IDirectDrawSurface4_iface; IDirectDrawSurface3 IDirectDrawSurface3_iface; IDirectDrawSurface2 IDirectDrawSurface2_iface; IDirectDrawSurface IDirectDrawSurface_iface; IDirectDrawGammaControl IDirectDrawGammaControl_iface; IDirect3DTexture2 IDirect3DTexture2_iface; IDirect3DTexture IDirect3DTexture_iface; LONG ref7, ref4, ref3, ref2, ref1, iface_count, gamma_count; IUnknown *ifaceToRelease; IUnknown *texture_outer; int version; /* Connections to other Objects */ struct ddraw *ddraw; struct wined3d_texture *wined3d_texture; unsigned int sub_resource_idx; struct wined3d_rendertarget_view *wined3d_rtv; struct wined3d_private_store private_store; struct d3d_device *device1; /* This implementation handles attaching surfaces to other surfaces */ struct ddraw_surface *next_attached; struct ddraw_surface *first_attached; IUnknown *attached_iface; /* Complex surfaces are organized in a tree, although the tree is degenerated to a list in most cases. * In mipmap and primary surfaces each level has only one attachment, which is the next surface level. * Only the cube texture root has 6 surfaces attached, which then have a normal mipmap chain attached * to them. So hardcode the array to 6, a dynamic array or a list would be an overkill. */ #define MAX_COMPLEX_ATTACHED 6 struct ddraw_surface *complex_array[MAX_COMPLEX_ATTACHED]; /* You can't traverse the tree upwards. Only a flag for Surface::Release because it's needed there, * but no pointer to prevent temptations to traverse it in the wrong direction. */ BOOL is_complex_root; BOOL is_lost; /* Surface description, for GetAttachedSurface */ DDSURFACEDESC2 surface_desc; /* Clipper objects */ struct ddraw_clipper *clipper; struct ddraw_palette *palette; /* For the ddraw surface list */ struct list surface_list_entry; DWORD Handle; HDC dc; }; struct ddraw_texture { unsigned int version; DDSURFACEDESC2 surface_desc; struct ddraw_surface *root; struct wined3d_device *wined3d_device; }; HRESULT ddraw_surface_create(struct ddraw *ddraw, const DDSURFACEDESC2 *surface_desc, struct ddraw_surface **surface, IUnknown *outer_unknown, unsigned int version) DECLSPEC_HIDDEN; struct wined3d_rendertarget_view *ddraw_surface_get_rendertarget_view(struct ddraw_surface *surface) DECLSPEC_HIDDEN; void ddraw_surface_init(struct ddraw_surface *surface, struct ddraw *ddraw, struct wined3d_texture *wined3d_texture, unsigned int sub_resource_idx, const struct wined3d_parent_ops **parent_ops) DECLSPEC_HIDDEN; HRESULT ddraw_surface_update_frontbuffer(struct ddraw_surface *surface, const RECT *rect, BOOL read) DECLSPEC_HIDDEN; static inline struct ddraw_surface *impl_from_IDirect3DTexture(IDirect3DTexture *iface) { return CONTAINING_RECORD(iface, struct ddraw_surface, IDirect3DTexture_iface); } static inline struct ddraw_surface *impl_from_IDirect3DTexture2(IDirect3DTexture2 *iface) { return CONTAINING_RECORD(iface, struct ddraw_surface, IDirect3DTexture2_iface); } static inline struct ddraw_surface *impl_from_IDirectDrawSurface(IDirectDrawSurface *iface) { return CONTAINING_RECORD(iface, struct ddraw_surface, IDirectDrawSurface_iface); } static inline struct ddraw_surface *impl_from_IDirectDrawSurface2(IDirectDrawSurface2 *iface) { return CONTAINING_RECORD(iface, struct ddraw_surface, IDirectDrawSurface2_iface); } static inline struct ddraw_surface *impl_from_IDirectDrawSurface3(IDirectDrawSurface3 *iface) { return CONTAINING_RECORD(iface, struct ddraw_surface, IDirectDrawSurface3_iface); } static inline struct ddraw_surface *impl_from_IDirectDrawSurface4(IDirectDrawSurface4 *iface) { return CONTAINING_RECORD(iface, struct ddraw_surface, IDirectDrawSurface4_iface); } static inline struct ddraw_surface *impl_from_IDirectDrawSurface7(IDirectDrawSurface7 *iface) { return CONTAINING_RECORD(iface, struct ddraw_surface, IDirectDrawSurface7_iface); } struct ddraw_surface *unsafe_impl_from_IDirectDrawSurface(IDirectDrawSurface *iface) DECLSPEC_HIDDEN; struct ddraw_surface *unsafe_impl_from_IDirectDrawSurface4(IDirectDrawSurface4 *iface) DECLSPEC_HIDDEN; struct ddraw_surface *unsafe_impl_from_IDirectDrawSurface7(IDirectDrawSurface7 *iface) DECLSPEC_HIDDEN; struct ddraw_surface *unsafe_impl_from_IDirect3DTexture(IDirect3DTexture *iface) DECLSPEC_HIDDEN; struct ddraw_surface *unsafe_impl_from_IDirect3DTexture2(IDirect3DTexture2 *iface) DECLSPEC_HIDDEN; #define DDRAW_INVALID_HANDLE ~0U enum ddraw_handle_type { DDRAW_HANDLE_FREE, DDRAW_HANDLE_MATERIAL, DDRAW_HANDLE_MATRIX, DDRAW_HANDLE_STATEBLOCK, DDRAW_HANDLE_SURFACE, }; struct ddraw_handle_entry { void *object; enum ddraw_handle_type type; }; struct ddraw_handle_table { struct ddraw_handle_entry *entries; struct ddraw_handle_entry *free_entries; UINT table_size; UINT entry_count; }; BOOL ddraw_handle_table_init(struct ddraw_handle_table *t, UINT initial_size) DECLSPEC_HIDDEN; void ddraw_handle_table_destroy(struct ddraw_handle_table *t) DECLSPEC_HIDDEN; DWORD ddraw_allocate_handle(struct ddraw_handle_table *t, void *object, enum ddraw_handle_type type) DECLSPEC_HIDDEN; void *ddraw_free_handle(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type) DECLSPEC_HIDDEN; void *ddraw_get_object(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type) DECLSPEC_HIDDEN; struct d3d_device { /* IUnknown */ IDirect3DDevice7 IDirect3DDevice7_iface; IDirect3DDevice3 IDirect3DDevice3_iface; IDirect3DDevice2 IDirect3DDevice2_iface; IDirect3DDevice IDirect3DDevice_iface; IUnknown IUnknown_inner; LONG ref; UINT version; IUnknown *outer_unknown; struct wined3d_device *wined3d_device; struct ddraw *ddraw; IUnknown *rt_iface; struct wined3d_buffer *index_buffer; UINT index_buffer_size; UINT index_buffer_pos; struct wined3d_buffer *vertex_buffer; UINT vertex_buffer_size; UINT vertex_buffer_pos; /* Viewport management */ struct list viewport_list; struct d3d_viewport *current_viewport; D3DVIEWPORT7 active_viewport; /* Required to keep track which of two available texture blending modes in d3ddevice3 is used */ BOOL legacyTextureBlending; D3DMATRIX legacy_projection; D3DMATRIX legacy_clipspace; /* Light state */ DWORD material; /* Rendering functions to wrap D3D(1-3) to D3D7 */ D3DPRIMITIVETYPE primitive_type; DWORD vertex_type; DWORD render_flags; DWORD nb_vertices; BYTE *sysmem_vertex_buffer; DWORD vertex_size; DWORD buffer_size; /* Handle management */ struct ddraw_handle_table handle_table; D3DMATRIXHANDLE world, proj, view; }; HRESULT d3d_device_create(struct ddraw *ddraw, struct ddraw_surface *target, IUnknown *rt_iface, UINT version, struct d3d_device **device, IUnknown *outer_unknown) DECLSPEC_HIDDEN; enum wined3d_depth_buffer_type d3d_device_update_depth_stencil(struct d3d_device *device) DECLSPEC_HIDDEN; /* The IID */ extern const GUID IID_D3DDEVICE_WineD3D DECLSPEC_HIDDEN; static inline struct d3d_device *impl_from_IDirect3DDevice(IDirect3DDevice *iface) { return CONTAINING_RECORD(iface, struct d3d_device, IDirect3DDevice_iface); } static inline struct d3d_device *impl_from_IDirect3DDevice2(IDirect3DDevice2 *iface) { return CONTAINING_RECORD(iface, struct d3d_device, IDirect3DDevice2_iface); } static inline struct d3d_device *impl_from_IDirect3DDevice3(IDirect3DDevice3 *iface) { return CONTAINING_RECORD(iface, struct d3d_device, IDirect3DDevice3_iface); } static inline struct d3d_device *impl_from_IDirect3DDevice7(IDirect3DDevice7 *iface) { return CONTAINING_RECORD(iface, struct d3d_device, IDirect3DDevice7_iface); } struct d3d_device *unsafe_impl_from_IDirect3DDevice(IDirect3DDevice *iface) DECLSPEC_HIDDEN; struct d3d_device *unsafe_impl_from_IDirect3DDevice2(IDirect3DDevice2 *iface) DECLSPEC_HIDDEN; struct d3d_device *unsafe_impl_from_IDirect3DDevice3(IDirect3DDevice3 *iface) DECLSPEC_HIDDEN; struct d3d_device *unsafe_impl_from_IDirect3DDevice7(IDirect3DDevice7 *iface) DECLSPEC_HIDDEN; struct ddraw_clipper { IDirectDrawClipper IDirectDrawClipper_iface; LONG ref; HWND window; HRGN region; BOOL initialized; }; HRESULT ddraw_clipper_init(struct ddraw_clipper *clipper) DECLSPEC_HIDDEN; struct ddraw_clipper *unsafe_impl_from_IDirectDrawClipper(IDirectDrawClipper *iface) DECLSPEC_HIDDEN; /***************************************************************************** * IDirectDrawPalette implementation structure *****************************************************************************/ struct ddraw_palette { /* IUnknown fields */ IDirectDrawPalette IDirectDrawPalette_iface; LONG ref; struct wined3d_palette *wined3d_palette; struct ddraw *ddraw; IUnknown *ifaceToRelease; DWORD flags; }; static inline struct ddraw_palette *impl_from_IDirectDrawPalette(IDirectDrawPalette *iface) { return CONTAINING_RECORD(iface, struct ddraw_palette, IDirectDrawPalette_iface); } struct ddraw_palette *unsafe_impl_from_IDirectDrawPalette(IDirectDrawPalette *iface) DECLSPEC_HIDDEN; HRESULT ddraw_palette_init(struct ddraw_palette *palette, struct ddraw *ddraw, DWORD flags, PALETTEENTRY *entries) DECLSPEC_HIDDEN; /* Helper structures */ struct object_creation_info { const CLSID *clsid; HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, REFIID riid, void **ppObj); }; /****************************************************************************** * IDirect3DLight implementation structure - Wraps to D3D7 ******************************************************************************/ struct d3d_light { IDirect3DLight IDirect3DLight_iface; LONG ref; /* IDirect3DLight fields */ struct ddraw *ddraw; /* If this light is active for one viewport, put the viewport here */ struct d3d_viewport *active_viewport; D3DLIGHT2 light; D3DLIGHT7 light7; DWORD dwLightIndex; struct list entry; }; /* Helper functions */ void light_activate(struct d3d_light *light) DECLSPEC_HIDDEN; void light_deactivate(struct d3d_light *light) DECLSPEC_HIDDEN; void d3d_light_init(struct d3d_light *light, struct ddraw *ddraw) DECLSPEC_HIDDEN; struct d3d_light *unsafe_impl_from_IDirect3DLight(IDirect3DLight *iface) DECLSPEC_HIDDEN; /****************************************************************************** * IDirect3DMaterial implementation structure - Wraps to D3D7 ******************************************************************************/ struct d3d_material { IDirect3DMaterial3 IDirect3DMaterial3_iface; IDirect3DMaterial2 IDirect3DMaterial2_iface; IDirect3DMaterial IDirect3DMaterial_iface; LONG ref; /* IDirect3DMaterial2 fields */ struct ddraw *ddraw; struct d3d_device *active_device; D3DMATERIAL mat; DWORD Handle; }; /* Helper functions */ void material_activate(struct d3d_material *material) DECLSPEC_HIDDEN; struct d3d_material *d3d_material_create(struct ddraw *ddraw) DECLSPEC_HIDDEN; /***************************************************************************** * IDirect3DViewport - Wraps to D3D7 *****************************************************************************/ struct d3d_viewport { IDirect3DViewport3 IDirect3DViewport3_iface; LONG ref; /* IDirect3DViewport fields */ struct ddraw *ddraw; /* If this viewport is active for one device, put the device here */ struct d3d_device *active_device; DWORD num_lights; DWORD map_lights; int use_vp2; union { D3DVIEWPORT vp1; D3DVIEWPORT2 vp2; } viewports; struct list entry; struct list light_list; struct d3d_material *background; }; struct d3d_viewport *unsafe_impl_from_IDirect3DViewport3(IDirect3DViewport3 *iface) DECLSPEC_HIDDEN; struct d3d_viewport *unsafe_impl_from_IDirect3DViewport2(IDirect3DViewport2 *iface) DECLSPEC_HIDDEN; struct d3d_viewport *unsafe_impl_from_IDirect3DViewport(IDirect3DViewport *iface) DECLSPEC_HIDDEN; /* Helper functions */ void viewport_activate(struct d3d_viewport *viewport, BOOL ignore_lights) DECLSPEC_HIDDEN; void d3d_viewport_init(struct d3d_viewport *viewport, struct ddraw *ddraw) DECLSPEC_HIDDEN; /***************************************************************************** * IDirect3DExecuteBuffer - Wraps to D3D7 *****************************************************************************/ struct d3d_execute_buffer { IDirect3DExecuteBuffer IDirect3DExecuteBuffer_iface; LONG ref; /* IDirect3DExecuteBuffer fields */ struct ddraw *ddraw; struct d3d_device *d3ddev; D3DEXECUTEBUFFERDESC desc; D3DEXECUTEDATA data; /* This buffer will store the transformed vertices */ unsigned int index_size, index_pos; unsigned int vertex_size, src_vertex_pos; struct wined3d_buffer *src_vertex_buffer, *dst_vertex_buffer, *index_buffer; /* This flags is set to TRUE if we allocated ourselves the * data buffer */ BOOL need_free; }; HRESULT d3d_execute_buffer_init(struct d3d_execute_buffer *execute_buffer, struct d3d_device *device, D3DEXECUTEBUFFERDESC *desc) DECLSPEC_HIDDEN; struct d3d_execute_buffer *unsafe_impl_from_IDirect3DExecuteBuffer(IDirect3DExecuteBuffer *iface) DECLSPEC_HIDDEN; /* The execute function */ HRESULT d3d_execute_buffer_execute(struct d3d_execute_buffer *execute_buffer, struct d3d_device *device, struct d3d_viewport *viewport) DECLSPEC_HIDDEN; /***************************************************************************** * IDirect3DVertexBuffer *****************************************************************************/ struct d3d_vertex_buffer { IDirect3DVertexBuffer7 IDirect3DVertexBuffer7_iface; LONG ref; unsigned int version; /*** WineD3D and ddraw links ***/ struct wined3d_buffer *wined3d_buffer; struct wined3d_vertex_declaration *wined3d_declaration; struct ddraw *ddraw; /*** Storage for D3D7 specific things ***/ DWORD Caps; DWORD fvf; DWORD size; BOOL dynamic; }; HRESULT d3d_vertex_buffer_create(struct d3d_vertex_buffer **buffer, struct ddraw *ddraw, D3DVERTEXBUFFERDESC *desc) DECLSPEC_HIDDEN; struct d3d_vertex_buffer *unsafe_impl_from_IDirect3DVertexBuffer(IDirect3DVertexBuffer *iface) DECLSPEC_HIDDEN; struct d3d_vertex_buffer *unsafe_impl_from_IDirect3DVertexBuffer7(IDirect3DVertexBuffer7 *iface) DECLSPEC_HIDDEN; /***************************************************************************** * Helper functions from utils.c *****************************************************************************/ #define GET_TEXCOUNT_FROM_FVF(d3dvtVertexType) \ (((d3dvtVertexType) & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT) #define GET_TEXCOORD_SIZE_FROM_FVF(d3dvtVertexType, tex_num) \ (((((d3dvtVertexType) >> (16 + (2 * (tex_num)))) + 1) & 0x03) + 1) void ddrawformat_from_wined3dformat(DDPIXELFORMAT *ddraw_format, enum wined3d_format_id wined3d_format) DECLSPEC_HIDDEN; enum wined3d_format_id wined3dformat_from_ddrawformat(const DDPIXELFORMAT *format) DECLSPEC_HIDDEN; void DDRAW_dump_surface_desc(const DDSURFACEDESC2 *lpddsd) DECLSPEC_HIDDEN; void dump_D3DMATRIX(const D3DMATRIX *mat) DECLSPEC_HIDDEN; void DDRAW_dump_DDCAPS(const DDCAPS *lpcaps) DECLSPEC_HIDDEN; DWORD get_flexible_vertex_size(DWORD d3dvtVertexType) DECLSPEC_HIDDEN; void DDRAW_dump_DDSCAPS2(const DDSCAPS2 *in) DECLSPEC_HIDDEN; void DDRAW_dump_cooperativelevel(DWORD cooplevel) DECLSPEC_HIDDEN; void DDSD_to_DDSD2(const DDSURFACEDESC *in, DDSURFACEDESC2 *out) DECLSPEC_HIDDEN; void DDSD2_to_DDSD(const DDSURFACEDESC2 *in, DDSURFACEDESC *out) DECLSPEC_HIDDEN; void multiply_matrix(D3DMATRIX *dst, const D3DMATRIX *src1, const D3DMATRIX *src2) DECLSPEC_HIDDEN; static inline BOOL format_is_compressed(const DDPIXELFORMAT *format) { return (format->dwFlags & DDPF_FOURCC) && (format->dwFourCC == WINED3DFMT_DXT1 || format->dwFourCC == WINED3DFMT_DXT2 || format->dwFourCC == WINED3DFMT_DXT3 || format->dwFourCC == WINED3DFMT_DXT4 || format->dwFourCC == WINED3DFMT_DXT5); } static inline BOOL format_is_paletteindexed(const DDPIXELFORMAT *fmt) { DWORD flags = DDPF_PALETTEINDEXED1 | DDPF_PALETTEINDEXED2 | DDPF_PALETTEINDEXED4 | DDPF_PALETTEINDEXED8 | DDPF_PALETTEINDEXEDTO8; return !!(fmt->dwFlags & flags); } /* Used for generic dumping */ struct flag_info { DWORD val; const char *name; }; #define FE(x) { x, #x } struct member_info { DWORD val; const char *name; void (*func)(const void *); ptrdiff_t offset; }; /* Structure copy */ #define ME(x,f,e) { x, #x, (void (*)(const void *))(f), offsetof(STRUCT, e) } #define DD_STRUCT_COPY_BYSIZE_(to,from,to_size,from_size) \ do { \ DWORD __size = (to)->dwSize; \ DWORD __resetsize = min(to_size, sizeof(*to)); \ DWORD __copysize = min(__resetsize, from_size); \ assert(to != from); \ memcpy(to, from, __copysize); \ memset((char*)(to) + __copysize, 0, __resetsize - __copysize); \ (to)->dwSize = __size; /* restore size */ \ } while (0) #define DD_STRUCT_COPY_BYSIZE(to,from) DD_STRUCT_COPY_BYSIZE_(to,from,(to)->dwSize,(from)->dwSize) HRESULT hr_ddraw_from_wined3d(HRESULT hr) DECLSPEC_HIDDEN; #endif