dlls/wined3d/view.c

   1 /*
   2  * Copyright 2009 Henri Verbeet for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  *
  18  */
  19
  20 #include "config.h"
  21 #include "wine/port.h"
  22
  23 #include "wined3d_private.h"
  24
  25 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
  26
  27 /* IUnknown methods */
  28
  29 static HRESULT STDMETHODCALLTYPE rendertarget_view_QueryInterface(IWineD3DRendertargetView *iface,
  30         REFIID riid, void **object)
  31 {
  32     TRACE("iface %p, riid %s, object %p\n", iface, debugstr_guid(riid), object);
  33
  34     if (IsEqualGUID(riid, &IID_IWineD3DRendertargetView)
  35             || IsEqualGUID(riid, &IID_IWineD3DBase)
  36             || IsEqualGUID(riid, &IID_IUnknown))
  37     {
  38         IUnknown_AddRef(iface);
  39         *object = iface;
  40         return S_OK;
  41     }
  42
  43     WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid));
  44
  45     *object = NULL;
  46     return E_NOINTERFACE;
  47 }
  48
  49 static ULONG STDMETHODCALLTYPE rendertarget_view_AddRef(IWineD3DRendertargetView *iface)
  50 {
  51     struct wined3d_rendertarget_view *This = (struct wined3d_rendertarget_view *)iface;
  52     ULONG refcount = InterlockedIncrement(&This->refcount);
  53
  54     TRACE("%p increasing refcount to %u\n", This, refcount);
  55
  56     return refcount;
  57 }
  58
  59 static ULONG STDMETHODCALLTYPE rendertarget_view_Release(IWineD3DRendertargetView *iface)
  60 {
  61     struct wined3d_rendertarget_view *This = (struct wined3d_rendertarget_view *)iface;
  62     ULONG refcount = InterlockedDecrement(&This->refcount);
  63
  64     TRACE("%p decreasing refcount to %u\n", This, refcount);
  65
  66     if (!refcount)
  67     {
  68         IWineD3DResource_Release(This->resource);
  69         HeapFree(GetProcessHeap(), 0, This);
  70     }
  71
  72     return refcount;
  73 }
  74
  75 /* IWineD3DBase methods */
  76
  77 static HRESULT STDMETHODCALLTYPE rendertarget_view_GetParent(IWineD3DRendertargetView *iface, IUnknown **parent)
  78 {
  79     struct wined3d_rendertarget_view *This = (struct wined3d_rendertarget_view *)iface;
  80
  81     IUnknown_AddRef(This->parent);
  82     *parent = This->parent;
  83
  84     return WINED3D_OK;
  85 }
  86
  87 /* IWineD3DRendertargetView methods */
  88
  89 static HRESULT STDMETHODCALLTYPE rendertarget_view_GetResource(IWineD3DRendertargetView *iface,
  90         IWineD3DResource **resource)
  91 {
  92     struct wined3d_rendertarget_view *This = (struct wined3d_rendertarget_view *)iface;
  93
  94     IWineD3DResource_AddRef(This->resource);
  95     *resource = This->resource;
  96
  97     return WINED3D_OK;
  98 }
  99
 100 static const struct IWineD3DRendertargetViewVtbl wined3d_rendertarget_view_vtbl =
 101 {
 102     /* IUnknown methods */
 103     rendertarget_view_QueryInterface,
 104     rendertarget_view_AddRef,
 105     rendertarget_view_Release,
 106     /* IWineD3DBase methods */
 107     rendertarget_view_GetParent,
 108     /* IWineD3DRendertargetView methods */
 109     rendertarget_view_GetResource,
 110 };
 111
 112 void wined3d_rendertarget_view_init(struct wined3d_rendertarget_view *view,
 113         IWineD3DResource *resource, IUnknown *parent)
 114 {
 115     view->vtbl = &wined3d_rendertarget_view_vtbl;
 116     view->refcount = 1;
 117     IWineD3DResource_AddRef(resource);
 118     view->resource = resource;
 119     view->parent = parent;
 120 }