dlls/dxgi/surface.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 "dxgi_private.h"
  24
  25 WINE_DEFAULT_DEBUG_CHANNEL(dxgi);
  26
  27 /* Inner IUnknown methods */
  28
  29 static inline struct dxgi_surface *dxgi_surface_from_inner_unknown(IUnknown *iface)
  30 {
  31     return (struct dxgi_surface *)((char*)iface - FIELD_OFFSET(struct dxgi_surface, inner_unknown_vtbl));
  32 }
  33
  34 static HRESULT STDMETHODCALLTYPE dxgi_surface_inner_QueryInterface(IUnknown *iface, REFIID riid, void **object)
  35 {
  36     struct dxgi_surface *This = dxgi_surface_from_inner_unknown(iface);
  37
  38     TRACE("iface %p, riid %s, object %p\n", iface, debugstr_guid(riid), object);
  39
  40     if (IsEqualGUID(riid, &IID_IDXGISurface)
  41             || IsEqualGUID(riid, &IID_IDXGIDeviceSubObject)
  42             || IsEqualGUID(riid, &IID_IDXGIObject)
  43             || IsEqualGUID(riid, &IID_IUnknown))
  44     {
  45         IUnknown_AddRef((IUnknown *)This);
  46         *object = This;
  47         return S_OK;
  48     }
  49
  50     WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid));
  51
  52     *object = NULL;
  53     return E_NOINTERFACE;
  54 }
  55
  56 static ULONG STDMETHODCALLTYPE dxgi_surface_inner_AddRef(IUnknown *iface)
  57 {
  58     struct dxgi_surface *This = dxgi_surface_from_inner_unknown(iface);
  59     ULONG refcount = InterlockedIncrement(&This->refcount);
  60
  61     TRACE("%p increasing refcount to %u\n", This, refcount);
  62
  63     return refcount;
  64 }
  65
  66 static ULONG STDMETHODCALLTYPE dxgi_surface_inner_Release(IUnknown *iface)
  67 {
  68     struct dxgi_surface *This = dxgi_surface_from_inner_unknown(iface);
  69     ULONG refcount = InterlockedDecrement(&This->refcount);
  70
  71     TRACE("%p decreasing refcount to %u\n", This, refcount);
  72
  73     if (!refcount)
  74     {
  75         IDXGIDevice_Release(This->device);
  76         HeapFree(GetProcessHeap(), 0, This);
  77     }
  78
  79     return refcount;
  80 }
  81
  82 /* IUnknown methods */
  83
  84 static HRESULT STDMETHODCALLTYPE dxgi_surface_QueryInterface(IDXGISurface *iface, REFIID riid, void **object)
  85 {
  86     struct dxgi_surface *This = (struct dxgi_surface *)iface;
  87     TRACE("Forwarding to outer IUnknown\n");
  88     return IUnknown_QueryInterface(This->outer_unknown, riid, object);
  89 }
  90
  91 static ULONG STDMETHODCALLTYPE dxgi_surface_AddRef(IDXGISurface *iface)
  92 {
  93     struct dxgi_surface *This = (struct dxgi_surface *)iface;
  94     TRACE("Forwarding to outer IUnknown\n");
  95     return IUnknown_AddRef(This->outer_unknown);
  96 }
  97
  98 static ULONG STDMETHODCALLTYPE dxgi_surface_Release(IDXGISurface *iface)
  99 {
 100     struct dxgi_surface *This = (struct dxgi_surface *)iface;
 101     TRACE("Forwarding to outer IUnknown\n");
 102     return IUnknown_Release(This->outer_unknown);
 103 }
 104
 105 /* IDXGIObject methods */
 106
 107 static HRESULT STDMETHODCALLTYPE dxgi_surface_SetPrivateData(IDXGISurface *iface,
 108         REFGUID guid, UINT data_size, const void *data)
 109 {
 110     FIXME("iface %p, guid %s, data_size %u, data %p stub!\n", iface, debugstr_guid(guid), data_size, data);
 111
 112     return E_NOTIMPL;
 113 }
 114
 115 static HRESULT STDMETHODCALLTYPE dxgi_surface_SetPrivateDataInterface(IDXGISurface *iface,
 116         REFGUID guid, const IUnknown *object)
 117 {
 118     FIXME("iface %p, guid %s, object %p stub!\n", iface, debugstr_guid(guid), object);
 119
 120     return E_NOTIMPL;
 121 }
 122
 123 static HRESULT STDMETHODCALLTYPE dxgi_surface_GetPrivateData(IDXGISurface *iface,
 124         REFGUID guid, UINT *data_size, void *data)
 125 {
 126     FIXME("iface %p, guid %s, data_size %p, data %p stub!\n", iface, debugstr_guid(guid), data_size, data);
 127
 128     return E_NOTIMPL;
 129 }
 130
 131 static HRESULT STDMETHODCALLTYPE dxgi_surface_GetParent(IDXGISurface *iface, REFIID riid, void **parent)
 132 {
 133     struct dxgi_surface *This = (struct dxgi_surface *)iface;
 134
 135     TRACE("iface %p, riid %s, parent %p.\n", iface, debugstr_guid(riid), parent);
 136
 137     return IDXGIDevice_QueryInterface(This->device, riid, parent);
 138 }
 139
 140 /* IDXGIDeviceSubObject methods */
 141
 142 static HRESULT STDMETHODCALLTYPE dxgi_surface_GetDevice(IDXGISurface *iface, REFIID riid, void **device)
 143 {
 144     struct dxgi_surface *This = (struct dxgi_surface *)iface;
 145
 146     TRACE("iface %p, riid %s, device %p.\n", iface, debugstr_guid(riid), device);
 147
 148     return IDXGIDevice_QueryInterface(This->device, riid, device);
 149 }
 150
 151 /* IDXGISurface methods */
 152 static HRESULT STDMETHODCALLTYPE dxgi_surface_GetDesc(IDXGISurface *iface, DXGI_SURFACE_DESC *desc)
 153 {
 154     FIXME("iface %p, desc %p stub!\n", iface, desc);
 155
 156     return E_NOTIMPL;
 157 }
 158
 159 static HRESULT STDMETHODCALLTYPE dxgi_surface_Map(IDXGISurface *iface, DXGI_MAPPED_RECT *mapped_rect, UINT flags)
 160 {
 161     FIXME("iface %p, mapped_rect %p, flags %#x stub!\n", iface, mapped_rect, flags);
 162
 163     return E_NOTIMPL;
 164 }
 165
 166 static HRESULT STDMETHODCALLTYPE dxgi_surface_Unmap(IDXGISurface *iface)
 167 {
 168     FIXME("iface %p stub!\n", iface);
 169
 170     return E_NOTIMPL;
 171 }
 172
 173 static const struct IDXGISurfaceVtbl dxgi_surface_vtbl =
 174 {
 175     /* IUnknown methods */
 176     dxgi_surface_QueryInterface,
 177     dxgi_surface_AddRef,
 178     dxgi_surface_Release,
 179     /* IDXGIObject methods */
 180     dxgi_surface_SetPrivateData,
 181     dxgi_surface_SetPrivateDataInterface,
 182     dxgi_surface_GetPrivateData,
 183     dxgi_surface_GetParent,
 184     /* IDXGIDeviceSubObject methods */
 185     dxgi_surface_GetDevice,
 186     /* IDXGISurface methods */
 187     dxgi_surface_GetDesc,
 188     dxgi_surface_Map,
 189     dxgi_surface_Unmap,
 190 };
 191
 192 static const struct IUnknownVtbl dxgi_surface_inner_unknown_vtbl =
 193 {
 194     /* IUnknown methods */
 195     dxgi_surface_inner_QueryInterface,
 196     dxgi_surface_inner_AddRef,
 197     dxgi_surface_inner_Release,
 198 };
 199
 200 HRESULT dxgi_surface_init(struct dxgi_surface *surface, IDXGIDevice *device, IUnknown *outer)
 201 {
 202     surface->vtbl = &dxgi_surface_vtbl;
 203     surface->inner_unknown_vtbl = &dxgi_surface_inner_unknown_vtbl;
 204     surface->refcount = 1;
 205     surface->outer_unknown = outer ? outer : (IUnknown *)&surface->inner_unknown_vtbl;
 206     surface->device = device;
 207     IDXGIDevice_AddRef(device);
 208
 209     return S_OK;
 210 }