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[wine/hacks.git] / dlls / d3d8 / d3d8_private.h
blob4ba399b5d922e546cdeedfedfccfd75d2f0a9292
1 /*
2 * Direct3D 8 private include file
4 * Copyright 2002-2004 Jason Edmeades
5 * Copyright 2003-2004 Raphael Junqueira
6 * Copyright 2004 Christian Costa
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #ifndef __WINE_D3D8_PRIVATE_H
24 #define __WINE_D3D8_PRIVATE_H
26 #include <stdarg.h>
28 #define NONAMELESSUNION
29 #define NONAMELESSSTRUCT
30 #define COBJMACROS
31 #include "windef.h"
32 #include "winbase.h"
33 #include "wingdi.h"
34 #include "wine/debug.h"
35 #include "d3d8.h"
36 #include "wine/wined3d.h"
38 /* CreateVertexShader can return > 0xFFFF */
39 #define VS_HIGHESTFIXEDFXF 0xF0000000
41 /* ===========================================================================
42 Macros
43 =========================================================================== */
44 /* Not nice, but it lets wined3d support different versions of directx */
45 #define WINECAPSTOD3D8CAPS(_pD3D8Caps, _pWineCaps) \
46 _pD3D8Caps->DeviceType = (D3DDEVTYPE) _pWineCaps->DeviceType; \
47 _pD3D8Caps->AdapterOrdinal = _pWineCaps->AdapterOrdinal; \
48 _pD3D8Caps->Caps = _pWineCaps->Caps; \
49 _pD3D8Caps->Caps2 = _pWineCaps->Caps2; \
50 _pD3D8Caps->Caps3 = _pWineCaps->Caps3; \
51 _pD3D8Caps->PresentationIntervals = _pWineCaps->PresentationIntervals; \
52 _pD3D8Caps->CursorCaps = _pWineCaps->CursorCaps; \
53 _pD3D8Caps->DevCaps = _pWineCaps->DevCaps; \
54 _pD3D8Caps->PrimitiveMiscCaps = _pWineCaps->PrimitiveMiscCaps; \
55 _pD3D8Caps->RasterCaps = _pWineCaps->RasterCaps; \
56 _pD3D8Caps->ZCmpCaps = _pWineCaps->ZCmpCaps; \
57 _pD3D8Caps->SrcBlendCaps = _pWineCaps->SrcBlendCaps; \
58 _pD3D8Caps->DestBlendCaps = _pWineCaps->DestBlendCaps; \
59 _pD3D8Caps->AlphaCmpCaps = _pWineCaps->AlphaCmpCaps; \
60 _pD3D8Caps->ShadeCaps = _pWineCaps->ShadeCaps; \
61 _pD3D8Caps->TextureCaps = _pWineCaps->TextureCaps; \
62 _pD3D8Caps->TextureFilterCaps = _pWineCaps->TextureFilterCaps; \
63 _pD3D8Caps->CubeTextureFilterCaps = _pWineCaps->CubeTextureFilterCaps; \
64 _pD3D8Caps->VolumeTextureFilterCaps = _pWineCaps->VolumeTextureFilterCaps; \
65 _pD3D8Caps->TextureAddressCaps = _pWineCaps->TextureAddressCaps; \
66 _pD3D8Caps->VolumeTextureAddressCaps = _pWineCaps->VolumeTextureAddressCaps; \
67 _pD3D8Caps->LineCaps = _pWineCaps->LineCaps; \
68 _pD3D8Caps->MaxTextureWidth = _pWineCaps->MaxTextureWidth; \
69 _pD3D8Caps->MaxTextureHeight = _pWineCaps->MaxTextureHeight; \
70 _pD3D8Caps->MaxVolumeExtent = _pWineCaps->MaxVolumeExtent; \
71 _pD3D8Caps->MaxTextureRepeat = _pWineCaps->MaxTextureRepeat; \
72 _pD3D8Caps->MaxTextureAspectRatio = _pWineCaps->MaxTextureAspectRatio; \
73 _pD3D8Caps->MaxAnisotropy = _pWineCaps->MaxAnisotropy; \
74 _pD3D8Caps->MaxVertexW = _pWineCaps->MaxVertexW; \
75 _pD3D8Caps->GuardBandLeft = _pWineCaps->GuardBandLeft; \
76 _pD3D8Caps->GuardBandTop = _pWineCaps->GuardBandTop; \
77 _pD3D8Caps->GuardBandRight = _pWineCaps->GuardBandRight; \
78 _pD3D8Caps->GuardBandBottom = _pWineCaps->GuardBandBottom; \
79 _pD3D8Caps->ExtentsAdjust = _pWineCaps->ExtentsAdjust; \
80 _pD3D8Caps->StencilCaps = _pWineCaps->StencilCaps; \
81 _pD3D8Caps->FVFCaps = _pWineCaps->FVFCaps; \
82 _pD3D8Caps->TextureOpCaps = _pWineCaps->TextureOpCaps; \
83 _pD3D8Caps->MaxTextureBlendStages = _pWineCaps->MaxTextureBlendStages; \
84 _pD3D8Caps->MaxSimultaneousTextures = _pWineCaps->MaxSimultaneousTextures; \
85 _pD3D8Caps->VertexProcessingCaps = _pWineCaps->VertexProcessingCaps; \
86 _pD3D8Caps->MaxActiveLights = _pWineCaps->MaxActiveLights; \
87 _pD3D8Caps->MaxUserClipPlanes = _pWineCaps->MaxUserClipPlanes; \
88 _pD3D8Caps->MaxVertexBlendMatrices = _pWineCaps->MaxVertexBlendMatrices; \
89 _pD3D8Caps->MaxVertexBlendMatrixIndex = _pWineCaps->MaxVertexBlendMatrixIndex; \
90 _pD3D8Caps->MaxPointSize = _pWineCaps->MaxPointSize; \
91 _pD3D8Caps->MaxPrimitiveCount = _pWineCaps->MaxPrimitiveCount; \
92 _pD3D8Caps->MaxVertexIndex = _pWineCaps->MaxVertexIndex; \
93 _pD3D8Caps->MaxStreams = _pWineCaps->MaxStreams; \
94 _pD3D8Caps->MaxStreamStride = _pWineCaps->MaxStreamStride; \
95 _pD3D8Caps->VertexShaderVersion = _pWineCaps->VertexShaderVersion; \
96 _pD3D8Caps->MaxVertexShaderConst = _pWineCaps->MaxVertexShaderConst; \
97 _pD3D8Caps->PixelShaderVersion = _pWineCaps->PixelShaderVersion; \
98 _pD3D8Caps->MaxPixelShaderValue = _pWineCaps->PixelShader1xMaxValue;
100 void fixup_caps(WINED3DCAPS *pWineCaps) DECLSPEC_HIDDEN;
102 /* Direct3D8 Interfaces: */
103 typedef struct IDirect3DBaseTexture8Impl IDirect3DBaseTexture8Impl;
104 typedef struct IDirect3DVolumeTexture8Impl IDirect3DVolumeTexture8Impl;
105 typedef struct IDirect3D8Impl IDirect3D8Impl;
106 typedef struct IDirect3DDevice8Impl IDirect3DDevice8Impl;
107 typedef struct IDirect3DTexture8Impl IDirect3DTexture8Impl;
108 typedef struct IDirect3DCubeTexture8Impl IDirect3DCubeTexture8Impl;
109 typedef struct IDirect3DIndexBuffer8Impl IDirect3DIndexBuffer8Impl;
110 typedef struct IDirect3DSurface8Impl IDirect3DSurface8Impl;
111 typedef struct IDirect3DSwapChain8Impl IDirect3DSwapChain8Impl;
112 typedef struct IDirect3DResource8Impl IDirect3DResource8Impl;
113 typedef struct IDirect3DVolume8Impl IDirect3DVolume8Impl;
114 typedef struct IDirect3DVertexBuffer8Impl IDirect3DVertexBuffer8Impl;
115 typedef struct IDirect3DVertexShader8Impl IDirect3DVertexShader8Impl;
117 /* ===========================================================================
118 The interfaces themselves
119 =========================================================================== */
121 /* ---------- */
122 /* IDirect3D8 */
123 /* ---------- */
125 /*****************************************************************************
126 * Predeclare the interface implementation structures
128 extern const IDirect3D8Vtbl Direct3D8_Vtbl DECLSPEC_HIDDEN;
130 /*****************************************************************************
131 * IDirect3D implementation structure
133 struct IDirect3D8Impl
135 /* IUnknown fields */
136 const IDirect3D8Vtbl *lpVtbl;
137 LONG ref;
139 /* The WineD3D device */
140 IWineD3D *WineD3D;
143 /*****************************************************************************
144 * IDirect3DDevice8 implementation structure
147 #define D3D8_INITIAL_HANDLE_TABLE_SIZE 64
148 #define D3D8_INVALID_HANDLE ~0U
150 enum d3d8_handle_type
152 D3D8_HANDLE_FREE,
153 D3D8_HANDLE_VS,
154 D3D8_HANDLE_PS,
155 D3D8_HANDLE_SB,
158 struct d3d8_handle_entry
160 void *object;
161 enum d3d8_handle_type type;
164 struct d3d8_handle_table
166 struct d3d8_handle_entry *entries;
167 struct d3d8_handle_entry *free_entries;
168 UINT table_size;
169 UINT entry_count;
172 struct FvfToDecl
174 DWORD fvf;
175 struct IDirect3DVertexDeclaration8 *decl;
178 struct IDirect3DDevice8Impl
180 /* IUnknown fields */
181 const IDirect3DDevice8Vtbl *lpVtbl;
182 const IWineD3DDeviceParentVtbl *device_parent_vtbl;
183 LONG ref;
184 /* But what about baseVertexIndex in state blocks? hmm... it may be a better idea to pass this to wined3d */
185 IWineD3DDevice *WineD3DDevice;
186 struct d3d8_handle_table handle_table;
188 /* FVF management */
189 struct FvfToDecl *decls;
190 UINT numConvertedDecls, declArraySize;
192 /* Avoids recursion with nested ReleaseRef to 0 */
193 BOOL inDestruction;
196 HRESULT device_init(IDirect3DDevice8Impl *device, IWineD3D *wined3d, UINT adapter,
197 D3DDEVTYPE device_type, HWND focus_window, DWORD flags, D3DPRESENT_PARAMETERS *parameters) DECLSPEC_HIDDEN;
199 /* ---------------- */
200 /* IDirect3DVolume8 */
201 /* ---------------- */
203 /*****************************************************************************
204 * IDirect3DVolume8 implementation structure
206 struct IDirect3DVolume8Impl
208 /* IUnknown fields */
209 const IDirect3DVolume8Vtbl *lpVtbl;
210 LONG ref;
212 /* IDirect3DVolume8 fields */
213 IWineD3DVolume *wineD3DVolume;
215 /* The volume container */
216 IUnknown *container;
218 /* If set forward refcounting to this object */
219 IUnknown *forwardReference;
222 HRESULT volume_init(IDirect3DVolume8Impl *volume, IDirect3DDevice8Impl *device, UINT width, UINT height,
223 UINT depth, DWORD usage, WINED3DFORMAT format, WINED3DPOOL pool) DECLSPEC_HIDDEN;
225 /* ------------------- */
226 /* IDirect3DSwapChain8 */
227 /* ------------------- */
229 /*****************************************************************************
230 * IDirect3DSwapChain8 implementation structure
232 struct IDirect3DSwapChain8Impl
234 /* IUnknown fields */
235 const IDirect3DSwapChain8Vtbl *lpVtbl;
236 LONG ref;
238 /* IDirect3DSwapChain8 fields */
239 IWineD3DSwapChain *wineD3DSwapChain;
241 /* Parent reference */
242 LPDIRECT3DDEVICE8 parentDevice;
245 HRESULT swapchain_init(IDirect3DSwapChain8Impl *swapchain, IDirect3DDevice8Impl *device,
246 D3DPRESENT_PARAMETERS *present_parameters) DECLSPEC_HIDDEN;
248 /* ----------------- */
249 /* IDirect3DSurface8 */
250 /* ----------------- */
252 /*****************************************************************************
253 * IDirect3DSurface8 implementation structure
255 struct IDirect3DSurface8Impl
257 /* IUnknown fields */
258 const IDirect3DSurface8Vtbl *lpVtbl;
259 LONG ref;
261 /* IDirect3DSurface8 fields */
262 IWineD3DSurface *wineD3DSurface;
264 /* Parent reference */
265 LPDIRECT3DDEVICE8 parentDevice;
267 /* The surface container */
268 IUnknown *container;
270 /* If set forward refcounting to this object */
271 IUnknown *forwardReference;
274 HRESULT surface_init(IDirect3DSurface8Impl *surface, IDirect3DDevice8Impl *device,
275 UINT width, UINT height, D3DFORMAT format, BOOL lockable, BOOL discard, UINT level,
276 DWORD usage, D3DPOOL pool, D3DMULTISAMPLE_TYPE multisample_type, DWORD multisample_quality) DECLSPEC_HIDDEN;
278 struct IDirect3DResource8Impl
280 /* IUnknown fields */
281 const IDirect3DResource8Vtbl *lpVtbl;
282 LONG ref;
284 /* IDirect3DResource8 fields */
285 IWineD3DResource *wineD3DResource;
288 /* ---------------------- */
289 /* IDirect3DVertexBuffer8 */
290 /* ---------------------- */
292 /*****************************************************************************
293 * IDirect3DVertexBuffer8 implementation structure
295 struct IDirect3DVertexBuffer8Impl
297 /* IUnknown fields */
298 const IDirect3DVertexBuffer8Vtbl *lpVtbl;
299 LONG ref;
301 /* IDirect3DResource8 fields */
302 IWineD3DBuffer *wineD3DVertexBuffer;
304 /* Parent reference */
305 LPDIRECT3DDEVICE8 parentDevice;
307 DWORD fvf;
310 HRESULT vertexbuffer_init(IDirect3DVertexBuffer8Impl *buffer, IDirect3DDevice8Impl *device,
311 UINT size, DWORD usage, DWORD fvf, D3DPOOL pool) DECLSPEC_HIDDEN;
313 /* --------------------- */
314 /* IDirect3DIndexBuffer8 */
315 /* --------------------- */
317 /*****************************************************************************
318 * IDirect3DIndexBuffer8 implementation structure
320 struct IDirect3DIndexBuffer8Impl
322 /* IUnknown fields */
323 const IDirect3DIndexBuffer8Vtbl *lpVtbl;
324 LONG ref;
326 /* IDirect3DResource8 fields */
327 IWineD3DBuffer *wineD3DIndexBuffer;
329 /* Parent reference */
330 LPDIRECT3DDEVICE8 parentDevice;
332 WINED3DFORMAT format;
335 HRESULT indexbuffer_init(IDirect3DIndexBuffer8Impl *buffer, IDirect3DDevice8Impl *device,
336 UINT size, DWORD usage, D3DFORMAT format, D3DPOOL pool) DECLSPEC_HIDDEN;
338 /* --------------------- */
339 /* IDirect3DBaseTexture8 */
340 /* --------------------- */
342 /*****************************************************************************
343 * IDirect3DBaseTexture8 implementation structure
345 struct IDirect3DBaseTexture8Impl
347 /* IUnknown fields */
348 const IDirect3DBaseTexture8Vtbl *lpVtbl;
349 LONG ref;
351 /* IDirect3DResource8 fields */
352 IWineD3DBaseTexture *wineD3DBaseTexture;
355 /* --------------------- */
356 /* IDirect3DCubeTexture8 */
357 /* --------------------- */
359 /*****************************************************************************
360 * IDirect3DCubeTexture8 implementation structure
362 struct IDirect3DCubeTexture8Impl
364 /* IUnknown fields */
365 const IDirect3DCubeTexture8Vtbl *lpVtbl;
366 LONG ref;
368 /* IDirect3DResource8 fields */
369 IWineD3DCubeTexture *wineD3DCubeTexture;
371 /* Parent reference */
372 LPDIRECT3DDEVICE8 parentDevice;
375 HRESULT cubetexture_init(IDirect3DCubeTexture8Impl *texture, IDirect3DDevice8Impl *device,
376 UINT edge_length, UINT levels, DWORD usage, D3DFORMAT format, D3DPOOL pool) DECLSPEC_HIDDEN;
378 /* ----------------- */
379 /* IDirect3DTexture8 */
380 /* ----------------- */
382 /*****************************************************************************
383 * IDirect3DTexture8 implementation structure
385 struct IDirect3DTexture8Impl
387 /* IUnknown fields */
388 const IDirect3DTexture8Vtbl *lpVtbl;
389 LONG ref;
391 /* IDirect3DResourc8 fields */
392 IWineD3DTexture *wineD3DTexture;
394 /* Parent reference */
395 LPDIRECT3DDEVICE8 parentDevice;
398 HRESULT texture_init(IDirect3DTexture8Impl *texture, IDirect3DDevice8Impl *device,
399 UINT width, UINT height, UINT levels, DWORD usage, D3DFORMAT format, D3DPOOL pool) DECLSPEC_HIDDEN;
401 /* ----------------------- */
402 /* IDirect3DVolumeTexture8 */
403 /* ----------------------- */
405 /*****************************************************************************
406 * IDirect3DVolumeTexture8 implementation structure
408 struct IDirect3DVolumeTexture8Impl
410 /* IUnknown fields */
411 const IDirect3DVolumeTexture8Vtbl *lpVtbl;
412 LONG ref;
414 /* IDirect3DResource8 fields */
415 IWineD3DVolumeTexture *wineD3DVolumeTexture;
417 /* Parent reference */
418 LPDIRECT3DDEVICE8 parentDevice;
421 HRESULT volumetexture_init(IDirect3DVolumeTexture8Impl *texture, IDirect3DDevice8Impl *device,
422 UINT width, UINT height, UINT depth, UINT levels, DWORD usage, D3DFORMAT format, D3DPOOL pool) DECLSPEC_HIDDEN;
424 DEFINE_GUID(IID_IDirect3DVertexDeclaration8,
425 0x5dd7478d, 0xcbf3, 0x41a6, 0x8c, 0xfd, 0xfd, 0x19, 0x2b, 0x11, 0xc7, 0x90);
427 DEFINE_GUID(IID_IDirect3DVertexShader8,
428 0xefc5557e, 0x6265, 0x4613, 0x8a, 0x94, 0x43, 0x85, 0x78, 0x89, 0xeb, 0x36);
430 DEFINE_GUID(IID_IDirect3DPixelShader8,
431 0x6d3bdbdc, 0x5b02, 0x4415, 0xb8, 0x52, 0xce, 0x5e, 0x8b, 0xcc, 0xb2, 0x89);
433 /*****************************************************************************
434 * IDirect3DVertexDeclaration8 interface
436 #define INTERFACE IDirect3DVertexDeclaration8
437 DECLARE_INTERFACE_(IDirect3DVertexDeclaration8, IUnknown)
439 /*** IUnknown methods ***/
440 STDMETHOD_(HRESULT,QueryInterface)(THIS_ REFIID riid, void** obj_ptr) PURE;
441 STDMETHOD_(ULONG,AddRef)(THIS) PURE;
442 STDMETHOD_(ULONG,Release)(THIS) PURE;
444 #undef INTERFACE
446 /*** IUnknown methods ***/
447 #define IDirect3DVertexDeclaration8_QueryInterface(p,a,b) (p)->lpVtbl->QueryInterface(p,a,b)
448 #define IDirect3DVertexDeclaration8_AddRef(p) (p)->lpVtbl->AddRef(p)
449 #define IDirect3DVertexDeclaration8_Release(p) (p)->lpVtbl->Release(p)
451 typedef struct {
452 const IDirect3DVertexDeclaration8Vtbl *lpVtbl;
453 LONG ref_count;
455 DWORD *elements;
456 DWORD elements_size; /* Size of elements, in bytes */
458 IWineD3DVertexDeclaration *wined3d_vertex_declaration;
459 DWORD shader_handle;
460 } IDirect3DVertexDeclaration8Impl;
462 HRESULT vertexdeclaration_init(IDirect3DVertexDeclaration8Impl *declaration,
463 IDirect3DDevice8Impl *device, const DWORD *elements, DWORD shader_handle) DECLSPEC_HIDDEN;
464 HRESULT vertexdeclaration_init_fvf(IDirect3DVertexDeclaration8Impl *declaration,
465 IDirect3DDevice8Impl *device, DWORD fvf) DECLSPEC_HIDDEN;
467 /*****************************************************************************
468 * IDirect3DVertexShader8 interface
470 #define INTERFACE IDirect3DVertexShader8
471 DECLARE_INTERFACE_(IDirect3DVertexShader8, IUnknown)
473 /*** IUnknown methods ***/
474 STDMETHOD_(HRESULT,QueryInterface)(THIS_ REFIID riid, void** ppvObject) PURE;
475 STDMETHOD_(ULONG,AddRef)(THIS) PURE;
476 STDMETHOD_(ULONG,Release)(THIS) PURE;
478 #undef INTERFACE
480 /*** IUnknown methods ***/
481 #define IDirect3DVertexShader8_QueryInterface(p,a,b) (p)->lpVtbl->QueryInterface(p,a,b)
482 #define IDirect3DVertexShader8_AddRef(p) (p)->lpVtbl->AddRef(p)
483 #define IDirect3DVertexShader8_Release(p) (p)->lpVtbl->Release(p)
485 /* ------------------------- */
486 /* IDirect3DVertexShader8Impl */
487 /* ------------------------- */
489 /*****************************************************************************
490 * IDirect3DPixelShader8 interface
492 #define INTERFACE IDirect3DPixelShader8
493 DECLARE_INTERFACE_(IDirect3DPixelShader8,IUnknown)
495 /*** IUnknown methods ***/
496 STDMETHOD_(HRESULT,QueryInterface)(THIS_ REFIID riid, void** ppvObject) PURE;
497 STDMETHOD_(ULONG,AddRef)(THIS) PURE;
498 STDMETHOD_(ULONG,Release)(THIS) PURE;
500 #undef INTERFACE
502 /*** IUnknown methods ***/
503 #define IDirect3DPixelShader8_QueryInterface(p,a,b) (p)->lpVtbl->QueryInterface(p,a,b)
504 #define IDirect3DPixelShader8_AddRef(p) (p)->lpVtbl->AddRef(p)
505 #define IDirect3DPixelShader8_Release(p) (p)->lpVtbl->Release(p)
507 /*****************************************************************************
508 * IDirect3DVertexShader implementation structure
511 struct IDirect3DVertexShader8Impl {
512 const IDirect3DVertexShader8Vtbl *lpVtbl;
513 LONG ref;
515 IDirect3DVertexDeclaration8 *vertex_declaration;
516 IWineD3DVertexShader *wineD3DVertexShader;
519 HRESULT vertexshader_init(IDirect3DVertexShader8Impl *shader, IDirect3DDevice8Impl *device,
520 const DWORD *declaration, const DWORD *byte_code, DWORD shader_handle, DWORD usage) DECLSPEC_HIDDEN;
522 #define D3D8_MAX_VERTEX_SHADER_CONSTANTF 256
524 /*****************************************************************************
525 * IDirect3DPixelShader implementation structure
527 typedef struct IDirect3DPixelShader8Impl {
528 const IDirect3DPixelShader8Vtbl *lpVtbl;
529 LONG ref;
531 DWORD handle;
532 IWineD3DPixelShader *wineD3DPixelShader;
533 } IDirect3DPixelShader8Impl;
535 HRESULT pixelshader_init(IDirect3DPixelShader8Impl *shader, IDirect3DDevice8Impl *device,
536 const DWORD *byte_code, DWORD shader_handle) DECLSPEC_HIDDEN;
539 * Internals functions
541 * to see how not defined it here
543 D3DFORMAT d3dformat_from_wined3dformat(WINED3DFORMAT format) DECLSPEC_HIDDEN;
544 WINED3DFORMAT wined3dformat_from_d3dformat(D3DFORMAT format) DECLSPEC_HIDDEN;
545 void load_local_constants(const DWORD *d3d8_elements, IWineD3DVertexShader *wined3d_vertex_shader) DECLSPEC_HIDDEN;
546 size_t parse_token(const DWORD *pToken) DECLSPEC_HIDDEN;
548 #endif /* __WINE_D3DX8_PRIVATE_H */