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., 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     TRACE("iface %p, riid %s, object %p.\n", iface, debugstr_guid(riid), ppobj);
  32
  33     if (IsEqualGUID(riid, &IID_IUnknown)
  34         || IsEqualGUID(riid, &IID_IDirect3DSwapChain8)) {
  35         IUnknown_AddRef(iface);
  36         *ppobj = This;
  37         return S_OK;
  38     }
  39
  40     WARN("(%p)->(%s,%p),not found\n", This, debugstr_guid(riid), ppobj);
  41     *ppobj = NULL;
  42     return E_NOINTERFACE;
  43 }
  44
  45 static ULONG WINAPI IDirect3DSwapChain8Impl_AddRef(LPDIRECT3DSWAPCHAIN8 iface) {
  46     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  47     ULONG ref = InterlockedIncrement(&This->ref);
  48
  49     TRACE("%p increasing refcount to %u.\n", iface, ref);
  50
  51     return ref;
  52 }
  53
  54 static ULONG WINAPI IDirect3DSwapChain8Impl_Release(LPDIRECT3DSWAPCHAIN8 iface) {
  55     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  56     ULONG ref = InterlockedDecrement(&This->ref);
  57
  58     TRACE("%p decreasing refcount to %u.\n", iface, ref);
  59
  60     if (ref == 0) {
  61         wined3d_mutex_lock();
  62         IWineD3DSwapChain_Destroy(This->wineD3DSwapChain);
  63         wined3d_mutex_unlock();
  64
  65         if (This->parentDevice) IUnknown_Release(This->parentDevice);
  66         HeapFree(GetProcessHeap(), 0, This);
  67     }
  68     return ref;
  69 }
  70
  71 /* IDirect3DSwapChain8 parts follow: */
  72 static HRESULT WINAPI IDirect3DSwapChain8Impl_Present(LPDIRECT3DSWAPCHAIN8 iface, CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion) {
  73     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  74     HRESULT hr;
  75
  76     TRACE("iface %p, src_rect %p, dst_rect %p, dst_window_override %p, dirty_region %p.\n",
  77             iface, pSourceRect, pDestRect, hDestWindowOverride, pDirtyRegion);
  78
  79     wined3d_mutex_lock();
  80     hr = IWineD3DSwapChain_Present(This->wineD3DSwapChain, pSourceRect, pDestRect, hDestWindowOverride, pDirtyRegion, 0);
  81     wined3d_mutex_unlock();
  82
  83     return hr;
  84 }
  85
  86 static HRESULT WINAPI IDirect3DSwapChain8Impl_GetBackBuffer(LPDIRECT3DSWAPCHAIN8 iface, UINT iBackBuffer, D3DBACKBUFFER_TYPE Type, IDirect3DSurface8** ppBackBuffer) {
  87     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  88     HRESULT hrc = D3D_OK;
  89     IWineD3DSurface *mySurface = NULL;
  90
  91     TRACE("iface %p, backbuffer_idx %u, backbuffer_type %#x, backbuffer %p.\n",
  92             iface, iBackBuffer, Type, ppBackBuffer);
  93
  94     wined3d_mutex_lock();
  95     hrc = IWineD3DSwapChain_GetBackBuffer(This->wineD3DSwapChain, iBackBuffer, (WINED3DBACKBUFFER_TYPE )Type, &mySurface);
  96     if (hrc == D3D_OK && NULL != mySurface) {
  97        IWineD3DSurface_GetParent(mySurface, (IUnknown **)ppBackBuffer);
  98        IWineD3DSurface_Release(mySurface);
  99     }
 100     wined3d_mutex_unlock();
 101
 102     return hrc;
 103 }
 104
 105 const IDirect3DSwapChain8Vtbl Direct3DSwapChain8_Vtbl =
 106 {
 107     IDirect3DSwapChain8Impl_QueryInterface,
 108     IDirect3DSwapChain8Impl_AddRef,
 109     IDirect3DSwapChain8Impl_Release,
 110     IDirect3DSwapChain8Impl_Present,
 111     IDirect3DSwapChain8Impl_GetBackBuffer
 112 };