reactos/dll/directx/wine/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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 static 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 S_OK;
  36     }
  37
  38     WARN("(%p)->(%s,%p),not found\n", This, debugstr_guid(riid), ppobj);
  39     *ppobj = NULL;
  40     return E_NOINTERFACE;
  41 }
  42
  43 static ULONG WINAPI IDirect3DSwapChain8Impl_AddRef(LPDIRECT3DSWAPCHAIN8 iface) {
  44     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  45     ULONG ref = InterlockedIncrement(&This->ref);
  46
  47     TRACE("(%p) : AddRef from %d\n", This, ref - 1);
  48
  49     return ref;
  50 }
  51
  52 static ULONG WINAPI IDirect3DSwapChain8Impl_Release(LPDIRECT3DSWAPCHAIN8 iface) {
  53     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  54     ULONG ref = InterlockedDecrement(&This->ref);
  55
  56     TRACE("(%p) : ReleaseRef to %d\n", This, ref);
  57
  58     if (ref == 0) {
  59         EnterCriticalSection(&d3d8_cs);
  60         IWineD3DSwapChain_Destroy(This->wineD3DSwapChain, D3D8CB_DestroyRenderTarget);
  61         LeaveCriticalSection(&d3d8_cs);
  62         if (This->parentDevice) IUnknown_Release(This->parentDevice);
  63         HeapFree(GetProcessHeap(), 0, This);
  64     }
  65     return ref;
  66 }
  67
  68 /* IDirect3DSwapChain8 parts follow: */
  69 static HRESULT WINAPI IDirect3DSwapChain8Impl_Present(LPDIRECT3DSWAPCHAIN8 iface, CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion) {
  70     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  71     HRESULT hr;
  72     TRACE("(%p) Relay\n", This);
  73
  74     EnterCriticalSection(&d3d8_cs);
  75     hr = IWineD3DSwapChain_Present(This->wineD3DSwapChain, pSourceRect, pDestRect, hDestWindowOverride, pDirtyRegion, 0);
  76     LeaveCriticalSection(&d3d8_cs);
  77     return hr;
  78 }
  79
  80 static HRESULT WINAPI IDirect3DSwapChain8Impl_GetBackBuffer(LPDIRECT3DSWAPCHAIN8 iface, UINT iBackBuffer, D3DBACKBUFFER_TYPE Type, IDirect3DSurface8** ppBackBuffer) {
  81     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  82     HRESULT hrc = D3D_OK;
  83     IWineD3DSurface *mySurface = NULL;
  84
  85     TRACE("(%p) Relay\n", This);
  86
  87     EnterCriticalSection(&d3d8_cs);
  88     hrc = IWineD3DSwapChain_GetBackBuffer(This->wineD3DSwapChain, iBackBuffer, (WINED3DBACKBUFFER_TYPE )Type, &mySurface);
  89     if (hrc == D3D_OK && NULL != mySurface) {
  90        IWineD3DSurface_GetParent(mySurface, (IUnknown **)ppBackBuffer);
  91        IWineD3DSurface_Release(mySurface);
  92     }
  93     LeaveCriticalSection(&d3d8_cs);
  94     return hrc;
  95 }
  96
  97 const IDirect3DSwapChain8Vtbl Direct3DSwapChain8_Vtbl =
  98 {
  99     IDirect3DSwapChain8Impl_QueryInterface,
 100     IDirect3DSwapChain8Impl_AddRef,
 101     IDirect3DSwapChain8Impl_Release,
 102     IDirect3DSwapChain8Impl_Present,
 103     IDirect3DSwapChain8Impl_GetBackBuffer
 104 };