Wine Cross Reference
wine/dlls/dxgi/surface.c

   /*
    * Copyright 2009 Henri Verbeet for CodeWeavers
    *
    * This library is free software; you can redistribute it and/or
    * modify it under the terms of the GNU Lesser General Public
    * License as published by the Free Software Foundation; either
    * version 2.1 of the License, or (at your option) any later version.
    *
    * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
   *
   */
  
  #include "config.h"
  #include "wine/port.h"
  
  #include "dxgi_private.h"
  
  WINE_DEFAULT_DEBUG_CHANNEL(dxgi);
  
  /* Inner IUnknown methods */
  
  static inline struct dxgi_surface *dxgi_surface_from_inner_unknown(IUnknown *iface)
  {
      return (struct dxgi_surface *)((char*)iface - FIELD_OFFSET(struct dxgi_surface, inner_unknown_vtbl));
  }
  
  static HRESULT STDMETHODCALLTYPE dxgi_surface_inner_QueryInterface(IUnknown *iface, REFIID riid, void **object)
  {
      struct dxgi_surface *This = dxgi_surface_from_inner_unknown(iface);
  
      TRACE("iface %p, riid %s, object %p\n", iface, debugstr_guid(riid), object);
  
      if (IsEqualGUID(riid, &IID_IDXGISurface)
              || IsEqualGUID(riid, &IID_IDXGIDeviceSubObject)
              || IsEqualGUID(riid, &IID_IDXGIObject)
              || IsEqualGUID(riid, &IID_IUnknown))
      {
          IUnknown_AddRef((IUnknown *)This);
          *object = This;
          return S_OK;
      }
  
      WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid));
  
      *object = NULL;
      return E_NOINTERFACE;
  }
  
  static ULONG STDMETHODCALLTYPE dxgi_surface_inner_AddRef(IUnknown *iface)
  {
      struct dxgi_surface *This = dxgi_surface_from_inner_unknown(iface);
      ULONG refcount = InterlockedIncrement(&This->refcount);
  
      TRACE("%p increasing refcount to %u\n", This, refcount);
  
      return refcount;
  }
  
  static ULONG STDMETHODCALLTYPE dxgi_surface_inner_Release(IUnknown *iface)
  {
      struct dxgi_surface *This = dxgi_surface_from_inner_unknown(iface);
      ULONG refcount = InterlockedDecrement(&This->refcount);
  
      TRACE("%p decreasing refcount to %u\n", This, refcount);
  
      if (!refcount)
      {
          IDXGIDevice_Release(This->device);
          HeapFree(GetProcessHeap(), 0, This);
      }
  
      return refcount;
  }
  
  /* IUnknown methods */
  
  static HRESULT STDMETHODCALLTYPE dxgi_surface_QueryInterface(IDXGISurface *iface, REFIID riid, void **object)
  {
      struct dxgi_surface *This = (struct dxgi_surface *)iface;
      TRACE("Forwarding to outer IUnknown\n");
      return IUnknown_QueryInterface(This->outer_unknown, riid, object);
  }
  
  static ULONG STDMETHODCALLTYPE dxgi_surface_AddRef(IDXGISurface *iface)
  {
      struct dxgi_surface *This = (struct dxgi_surface *)iface;
      TRACE("Forwarding to outer IUnknown\n");
      return IUnknown_AddRef(This->outer_unknown);
  }
  
  static ULONG STDMETHODCALLTYPE dxgi_surface_Release(IDXGISurface *iface)
  {
     struct dxgi_surface *This = (struct dxgi_surface *)iface;
     TRACE("Forwarding to outer IUnknown\n");
     return IUnknown_Release(This->outer_unknown);
 }
 
 /* IDXGIObject methods */
 
 static HRESULT STDMETHODCALLTYPE dxgi_surface_SetPrivateData(IDXGISurface *iface,
         REFGUID guid, UINT data_size, const void *data)
 {
     FIXME("iface %p, guid %s, data_size %u, data %p stub!\n", iface, debugstr_guid(guid), data_size, data);
 
     return E_NOTIMPL;
 }
 
 static HRESULT STDMETHODCALLTYPE dxgi_surface_SetPrivateDataInterface(IDXGISurface *iface,
         REFGUID guid, const IUnknown *object)
 {
     FIXME("iface %p, guid %s, object %p stub!\n", iface, debugstr_guid(guid), object);
 
     return E_NOTIMPL;
 }
 
 static HRESULT STDMETHODCALLTYPE dxgi_surface_GetPrivateData(IDXGISurface *iface,
         REFGUID guid, UINT *data_size, void *data)
 {
     FIXME("iface %p, guid %s, data_size %p, data %p stub!\n", iface, debugstr_guid(guid), data_size, data);
 
     return E_NOTIMPL;
 }
 
 static HRESULT STDMETHODCALLTYPE dxgi_surface_GetParent(IDXGISurface *iface, REFIID riid, void **parent)
 {
     struct dxgi_surface *This = (struct dxgi_surface *)iface;
 
     TRACE("iface %p, riid %s, parent %p.\n", iface, debugstr_guid(riid), parent);
 
     return IDXGIDevice_QueryInterface(This->device, riid, parent);
 }
 
 /* IDXGIDeviceSubObject methods */
 
 static HRESULT STDMETHODCALLTYPE dxgi_surface_GetDevice(IDXGISurface *iface, REFIID riid, void **device)
 {
     struct dxgi_surface *This = (struct dxgi_surface *)iface;
 
     TRACE("iface %p, riid %s, device %p.\n", iface, debugstr_guid(riid), device);
 
     return IDXGIDevice_QueryInterface(This->device, riid, device);
 }
 
 /* IDXGISurface methods */
 static HRESULT STDMETHODCALLTYPE dxgi_surface_GetDesc(IDXGISurface *iface, DXGI_SURFACE_DESC *desc)
 {
     FIXME("iface %p, desc %p stub!\n", iface, desc);
 
     return E_NOTIMPL;
 }
 
 static HRESULT STDMETHODCALLTYPE dxgi_surface_Map(IDXGISurface *iface, DXGI_MAPPED_RECT *mapped_rect, UINT flags)
 {
     FIXME("iface %p, mapped_rect %p, flags %#x stub!\n", iface, mapped_rect, flags);
 
     return E_NOTIMPL;
 }
 
 static HRESULT STDMETHODCALLTYPE dxgi_surface_Unmap(IDXGISurface *iface)
 {
     FIXME("iface %p stub!\n", iface);
 
     return E_NOTIMPL;
 }
 
 static const struct IDXGISurfaceVtbl dxgi_surface_vtbl =
 {
     /* IUnknown methods */
     dxgi_surface_QueryInterface,
     dxgi_surface_AddRef,
     dxgi_surface_Release,
     /* IDXGIObject methods */
     dxgi_surface_SetPrivateData,
     dxgi_surface_SetPrivateDataInterface,
     dxgi_surface_GetPrivateData,
     dxgi_surface_GetParent,
     /* IDXGIDeviceSubObject methods */
     dxgi_surface_GetDevice,
     /* IDXGISurface methods */
     dxgi_surface_GetDesc,
     dxgi_surface_Map,
     dxgi_surface_Unmap,
 };
 
 static const struct IUnknownVtbl dxgi_surface_inner_unknown_vtbl =
 {
     /* IUnknown methods */
     dxgi_surface_inner_QueryInterface,
     dxgi_surface_inner_AddRef,
     dxgi_surface_inner_Release,
 };
 
 HRESULT dxgi_surface_init(struct dxgi_surface *surface, IDXGIDevice *device, IUnknown *outer)
 {
     surface->vtbl = &dxgi_surface_vtbl;
     surface->inner_unknown_vtbl = &dxgi_surface_inner_unknown_vtbl;
     surface->refcount = 1;
     surface->outer_unknown = outer ? outer : (IUnknown *)&surface->inner_unknown_vtbl;
     surface->device = device;
     IDXGIDevice_AddRef(device);
 
     return S_OK;
 }