dlls/d3d8/swapchain.c

   1 /*
   2  * IDirect3DSwapChain8 implementation
   3  *
   4  * Copyright 2005 Oliver Stieber
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include "d3d8_private.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(d3d8);
  25
  26 /* IDirect3DSwapChain IUnknown parts follow: */
  27 HRESULT WINAPI IDirect3DSwapChain8Impl_QueryInterface(LPDIRECT3DSWAPCHAIN8 iface, REFIID riid, LPVOID* ppobj)
  28 {
  29     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  30
  31     if (IsEqualGUID(riid, &IID_IUnknown)
  32         || IsEqualGUID(riid, &IID_IDirect3DSwapChain8)) {
  33         IUnknown_AddRef(iface);
  34         *ppobj = This;
  35         return D3D_OK;
  36     }
  37
  38     WARN("(%p)->(%s,%p),not found\n", This, debugstr_guid(riid), ppobj);
  39     return E_NOINTERFACE;
  40 }
  41
  42 ULONG WINAPI IDirect3DSwapChain8Impl_AddRef(LPDIRECT3DSWAPCHAIN8 iface) {
  43     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  44     ULONG ref = InterlockedIncrement(&This->ref);
  45
  46     TRACE("(%p) : AddRef from %ld\n", This, ref - 1);
  47
  48     return ref;
  49 }
  50
  51 ULONG WINAPI IDirect3DSwapChain8Impl_Release(LPDIRECT3DSWAPCHAIN8 iface) {
  52     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  53     ULONG ref = InterlockedDecrement(&This->ref);
  54
  55     TRACE("(%p) : ReleaseRef to %ld\n", This, ref);
  56
  57     if (ref == 0) {
  58         IWineD3DSwapChain_Release(This->wineD3DSwapChain);
  59         HeapFree(GetProcessHeap(), 0, This);
  60     }
  61     return ref;
  62 }
  63
  64 /* IDirect3DSwapChain8 parts follow: */
  65 HRESULT WINAPI IDirect3DSwapChain8Impl_Present(LPDIRECT3DSWAPCHAIN8 iface, CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion) {
  66     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  67     TRACE("(%p) Relay\n", This);
  68     return IWineD3DSwapChain_Present(This->wineD3DSwapChain, pSourceRect, pDestRect, hDestWindowOverride, pDirtyRegion, 0);
  69 }
  70
  71 HRESULT WINAPI IDirect3DSwapChain8Impl_GetBackBuffer(LPDIRECT3DSWAPCHAIN8 iface, UINT iBackBuffer, D3DBACKBUFFER_TYPE Type, IDirect3DSurface8** ppBackBuffer) {
  72     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  73     HRESULT hrc = D3D_OK;
  74     IWineD3DSurface *mySurface = NULL;
  75
  76     TRACE("(%p) Relay\n", This);
  77
  78     hrc = IWineD3DSwapChain_GetBackBuffer(This->wineD3DSwapChain, iBackBuffer, Type, &mySurface);
  79     if (hrc == D3D_OK && NULL != mySurface) {
  80        IWineD3DSurface_GetParent(mySurface, (IUnknown **)ppBackBuffer);
  81        IWineD3DSurface_Release(mySurface);
  82     }
  83     return hrc;
  84 }
  85
  86 const IDirect3DSwapChain8Vtbl Direct3DSwapChain8_Vtbl =
  87 {
  88     IDirect3DSwapChain8Impl_QueryInterface,
  89     IDirect3DSwapChain8Impl_AddRef,
  90     IDirect3DSwapChain8Impl_Release,
  91     IDirect3DSwapChain8Impl_Present,
  92     IDirect3DSwapChain8Impl_GetBackBuffer
  93 };