/* * Copyright 2011 Joakim Sindholt * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * on the rights to use, copy, modify, merge, publish, distribute, sub * license, and/or sell copies of the Software, and to permit persons to whom * the Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _NINE_IUNKNOWN_H_ #define _NINE_IUNKNOWN_H_ #include "pipe/p_compiler.h" #include "util/u_atomic.h" #include "util/u_memory.h" #include "guid.h" #include "nine_flags.h" #include "nine_debug.h" #include "nine_quirk.h" #include "d3d9.h" struct Nine9; struct NineDevice9; struct NineUnknown { /* pointer to vtable (can be overriden outside gallium nine) */ void *vtable; /* pointer to internal vtable */ void *vtable_internal; int32_t refs; /* external reference count */ int32_t bind; /* internal bind count */ boolean forward; /* whether to forward references to the container */ /* container: for surfaces and volumes only. * Can be a texture, a volume texture or a swapchain. * forward is set to false for the swapchain case. * If forward is set, refs are passed to the container if forward is set * and the container has bind increased if the object has non null bind. */ struct NineUnknown *container; struct NineDevice9 *device; /* referenced if (refs) */ const GUID **guids; /* for QueryInterface */ /* for [GS]etPrivateData/FreePrivateData */ struct util_hash_table *pdata; void (*dtor)(void *data); /* top-level dtor */ }; static inline struct NineUnknown * NineUnknown( void *data ) { return (struct NineUnknown *)data; } /* Use this instead of a shitload of arguments: */ struct NineUnknownParams { void *vtable; const GUID **guids; void (*dtor)(void *data); struct NineUnknown *container; struct NineDevice9 *device; bool start_with_bind_not_ref; }; HRESULT NineUnknown_ctor( struct NineUnknown *This, struct NineUnknownParams *pParams ); void NineUnknown_dtor( struct NineUnknown *This ); /*** Direct3D public methods ***/ HRESULT NINE_WINAPI NineUnknown_QueryInterface( struct NineUnknown *This, REFIID riid, void **ppvObject ); ULONG NINE_WINAPI NineUnknown_AddRef( struct NineUnknown *This ); ULONG NINE_WINAPI NineUnknown_Release( struct NineUnknown *This ); ULONG NINE_WINAPI NineUnknown_ReleaseWithDtorLock( struct NineUnknown *This ); HRESULT NINE_WINAPI NineUnknown_GetDevice( struct NineUnknown *This, IDirect3DDevice9 **ppDevice ); HRESULT NINE_WINAPI NineUnknown_SetPrivateData( struct NineUnknown *This, REFGUID refguid, const void *pData, DWORD SizeOfData, DWORD Flags ); HRESULT NINE_WINAPI NineUnknown_GetPrivateData( struct NineUnknown *This, REFGUID refguid, void *pData, DWORD *pSizeOfData ); HRESULT NINE_WINAPI NineUnknown_FreePrivateData( struct NineUnknown *This, REFGUID refguid ); /*** Nine private methods ***/ static inline void NineUnknown_Destroy( struct NineUnknown *This ) { assert(!(This->refs | This->bind)); This->dtor(This); } static inline UINT NineUnknown_Bind( struct NineUnknown *This ) { UINT b = p_atomic_inc_return(&This->bind); assert(b); if (b == 1 && This->forward) NineUnknown_Bind(This->container); return b; } static inline UINT NineUnknown_Unbind( struct NineUnknown *This ) { UINT b = p_atomic_dec_return(&This->bind); if (b == 0 && This->forward) NineUnknown_Unbind(This->container); else if (b == 0 && This->refs == 0 && !This->container) This->dtor(This); return b; } static inline void NineUnknown_ConvertRefToBind( struct NineUnknown *This ) { NineUnknown_Bind(This); NineUnknown_Release(This); } /* Detach from container. */ static inline void NineUnknown_Detach( struct NineUnknown *This ) { assert(This->container && !This->forward); This->container = NULL; if (!(This->refs | This->bind)) This->dtor(This); } #endif /* _NINE_IUNKNOWN_H_ */