/* * 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. */ #include "iunknown.h" #include "util/u_atomic.h" #include "nine_helpers.h" #define DBG_CHANNEL DBG_UNKNOWN HRESULT NineUnknown_ctor( struct NineUnknown *This, struct NineUnknownParams *pParams ) { This->refs = pParams->container ? 0 : 1; This->bind = 0; This->forward = !This->refs; This->container = pParams->container; This->device = pParams->device; if (This->refs && This->device) NineUnknown_AddRef(NineUnknown(This->device)); This->vtable = pParams->vtable; This->guids = pParams->guids; This->dtor = pParams->dtor; return D3D_OK; } void NineUnknown_dtor( struct NineUnknown *This ) { FREE(This); } HRESULT WINAPI NineUnknown_QueryInterface( struct NineUnknown *This, REFIID riid, void **ppvObject ) { unsigned i = 0; if (!ppvObject) return E_POINTER; do { if (GUID_equal(This->guids[i], riid)) { *ppvObject = This; assert(This->refs); NineUnknown_AddRef(This); return S_OK; } } while (This->guids[++i]); *ppvObject = NULL; return E_NOINTERFACE; } ULONG WINAPI NineUnknown_AddRef( struct NineUnknown *This ) { ULONG r; if (This->forward) return NineUnknown_AddRef(This->container); else r = p_atomic_inc_return(&This->refs); if (r == 1) { if (This->device) NineUnknown_AddRef(NineUnknown(This->device)); /* This shouldn't be necessary: if (This->container) NineUnknown_Bind(NineUnknown(This->container)); */ } return r; } ULONG WINAPI NineUnknown_Release( struct NineUnknown *This ) { if (This->forward) return NineUnknown_Release(This->container); ULONG r = p_atomic_dec_return(&This->refs); if (r == 0) { if (This->device) { if (NineUnknown_Release(NineUnknown(This->device)) == 0) return r; /* everything's gone */ } if (This->container) { /* NineUnknown_Unbind(NineUnknown(This->container)); */ } else if (This->bind == 0) { This->dtor(This); } } return r; } HRESULT WINAPI NineUnknown_GetDevice( struct NineUnknown *This, IDirect3DDevice9 **ppDevice ) { user_assert(ppDevice, E_POINTER); NineUnknown_AddRef(NineUnknown(This->device)); *ppDevice = (IDirect3DDevice9 *)This->device; return D3D_OK; }