dlls/d3d8/swapchain.c

   1 /*
   2  * IDirect3DSwapChain8 implementation
   3  *
   4  * Copyright 2002 Jason Edmeades
   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
  23 #include <stdarg.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "wingdi.h"
  29 #include "wine/debug.h"
  30
  31 #include "d3d8_private.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
  34
  35 /* IDirect3DSwapChain IUnknown parts follow: */
  36 HRESULT WINAPI IDirect3DSwapChain8Impl_QueryInterface(LPDIRECT3DSWAPCHAIN8 iface,REFIID riid,LPVOID *ppobj)
  37 {
  38     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  39
  40     if (IsEqualGUID(riid, &IID_IUnknown)
  41         || IsEqualGUID(riid, &IID_IDirect3DSwapChain8)) {
  42         IDirect3DSwapChain8Impl_AddRef(iface);
  43         *ppobj = This;
  44         return D3D_OK;
  45     }
  46
  47     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
  48     return E_NOINTERFACE;
  49 }
  50
  51 ULONG WINAPI IDirect3DSwapChain8Impl_AddRef(LPDIRECT3DSWAPCHAIN8 iface) {
  52     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  53     ULONG ref = InterlockedIncrement(&This->ref);
  54
  55     TRACE("(%p) : AddRef from %ld\n", This, ref - 1);
  56
  57     return ref;
  58 }
  59
  60 ULONG WINAPI IDirect3DSwapChain8Impl_Release(LPDIRECT3DSWAPCHAIN8 iface) {
  61     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  62     ULONG ref = InterlockedDecrement(&This->ref);
  63
  64     TRACE("(%p) : ReleaseRef to %ld\n", This, ref);
  65
  66     if (ref == 0) {
  67         HeapFree(GetProcessHeap(), 0, This);
  68     }
  69     return ref;
  70 }
  71
  72 /* IDirect3DSwapChain parts follow: */
  73 HRESULT WINAPI IDirect3DSwapChain8Impl_Present(LPDIRECT3DSWAPCHAIN8 iface, CONST RECT* pSourceRect, CONST RECT* pDestRect, HWND hDestWindowOverride,CONST RGNDATA* pDirtyRegion) {
  74     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  75     FIXME("(%p) : stub\n", This);
  76     return D3D_OK;
  77 }
  78
  79 HRESULT WINAPI IDirect3DSwapChain8Impl_GetBackBuffer(LPDIRECT3DSWAPCHAIN8 iface, UINT BackBuffer, D3DBACKBUFFER_TYPE Type, IDirect3DSurface8** ppBackBuffer) {
  80     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
  81     *ppBackBuffer = (LPDIRECT3DSURFACE8) This->backBuffer;
  82     TRACE("(%p) : BackBuf %d Type %d returning %p\n", This, BackBuffer, Type, *ppBackBuffer);
  83
  84     if (BackBuffer > This->PresentParms.BackBufferCount - 1) {
  85         FIXME("Only one backBuffer currently supported\n");
  86         return D3DERR_INVALIDCALL;
  87     }
  88
  89     /* Note inc ref on returned surface */
  90     IDirect3DSurface8Impl_AddRef((LPDIRECT3DSURFACE8) *ppBackBuffer);
  91     return D3D_OK;
  92 }
  93
  94 const IDirect3DSwapChain8Vtbl Direct3DSwapChain8_Vtbl =
  95 {
  96     IDirect3DSwapChain8Impl_QueryInterface,
  97     IDirect3DSwapChain8Impl_AddRef,
  98     IDirect3DSwapChain8Impl_Release,
  99     IDirect3DSwapChain8Impl_Present,
 100     IDirect3DSwapChain8Impl_GetBackBuffer
 101 };