1/* 2 * Copyright 2011 Joakim Sindholt <opensource@zhasha.com> 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * on the rights to use, copy, modify, merge, publish, distribute, sub 8 * license, and/or sell copies of the Software, and to permit persons to whom 9 * the Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */ 22 23#ifndef _NINE_IUNKNOWN_H_ 24#define _NINE_IUNKNOWN_H_ 25 26#include "pipe/p_compiler.h" 27 28#include "util/u_atomic.h" 29#include "util/u_memory.h" 30 31#include "guid.h" 32#include "nine_flags.h" 33#include "nine_debug.h" 34#include "nine_quirk.h" 35 36#include "d3d9.h" 37 38struct Nine9; 39struct NineDevice9; 40 41struct NineUnknown 42{ 43 /* pointer to vtable (can be overriden outside gallium nine) */ 44 void *vtable; 45 /* pointer to internal vtable */ 46 void *vtable_internal; 47 48 int32_t refs; /* external reference count */ 49 int32_t bind; /* internal bind count */ 50 boolean forward; /* whether to forward references to the container */ 51 52 /* container: for surfaces and volumes only. 53 * Can be a texture, a volume texture or a swapchain. 54 * forward is set to false for the swapchain case. 55 * If forward is set, refs are passed to the container if forward is set 56 * and the container has bind increased if the object has non null bind. */ 57 struct NineUnknown *container; 58 struct NineDevice9 *device; /* referenced if (refs) */ 59 60 const GUID **guids; /* for QueryInterface */ 61 62 /* for [GS]etPrivateData/FreePrivateData */ 63 struct util_hash_table *pdata; 64 65 void (*dtor)(void *data); /* top-level dtor */ 66}; 67static inline struct NineUnknown * 68NineUnknown( void *data ) 69{ 70 return (struct NineUnknown *)data; 71} 72 73/* Use this instead of a shitload of arguments: */ 74struct NineUnknownParams 75{ 76 void *vtable; 77 const GUID **guids; 78 void (*dtor)(void *data); 79 struct NineUnknown *container; 80 struct NineDevice9 *device; 81}; 82 83HRESULT 84NineUnknown_ctor( struct NineUnknown *This, 85 struct NineUnknownParams *pParams ); 86 87void 88NineUnknown_dtor( struct NineUnknown *This ); 89 90/*** Direct3D public methods ***/ 91 92HRESULT NINE_WINAPI 93NineUnknown_QueryInterface( struct NineUnknown *This, 94 REFIID riid, 95 void **ppvObject ); 96 97ULONG NINE_WINAPI 98NineUnknown_AddRef( struct NineUnknown *This ); 99 100ULONG NINE_WINAPI 101NineUnknown_Release( struct NineUnknown *This ); 102 103ULONG NINE_WINAPI 104NineUnknown_ReleaseWithDtorLock( struct NineUnknown *This ); 105 106HRESULT NINE_WINAPI 107NineUnknown_GetDevice( struct NineUnknown *This, 108 IDirect3DDevice9 **ppDevice ); 109 110HRESULT NINE_WINAPI 111NineUnknown_SetPrivateData( struct NineUnknown *This, 112 REFGUID refguid, 113 const void *pData, 114 DWORD SizeOfData, 115 DWORD Flags ); 116 117HRESULT NINE_WINAPI 118NineUnknown_GetPrivateData( struct NineUnknown *This, 119 REFGUID refguid, 120 void *pData, 121 DWORD *pSizeOfData ); 122 123HRESULT NINE_WINAPI 124NineUnknown_FreePrivateData( struct NineUnknown *This, 125 REFGUID refguid ); 126 127/*** Nine private methods ***/ 128 129static inline void 130NineUnknown_Destroy( struct NineUnknown *This ) 131{ 132 assert(!(This->refs | This->bind)); 133 This->dtor(This); 134} 135 136static inline UINT 137NineUnknown_Bind( struct NineUnknown *This ) 138{ 139 UINT b = p_atomic_inc_return(&This->bind); 140 assert(b); 141 142 if (b == 1 && This->forward) 143 NineUnknown_Bind(This->container); 144 145 return b; 146} 147 148static inline UINT 149NineUnknown_Unbind( struct NineUnknown *This ) 150{ 151 UINT b = p_atomic_dec_return(&This->bind); 152 153 if (b == 0 && This->forward) 154 NineUnknown_Unbind(This->container); 155 else if (b == 0 && This->refs == 0 && !This->container) 156 This->dtor(This); 157 158 return b; 159} 160 161static inline void 162NineUnknown_ConvertRefToBind( struct NineUnknown *This ) 163{ 164 NineUnknown_Bind(This); 165 NineUnknown_Release(This); 166} 167 168/* Detach from container. */ 169static inline void 170NineUnknown_Detach( struct NineUnknown *This ) 171{ 172 assert(This->container && !This->forward); 173 174 This->container = NULL; 175 if (!(This->refs | This->bind)) 176 This->dtor(This); 177} 178 179#endif /* _NINE_IUNKNOWN_H_ */ 180