d3d8: Release non implicit surfaces only if refcount is 0, with test.
[wine] / 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     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         IWineD3DSwapChain_Destroy(This->wineD3DSwapChain, D3D8CB_DestroyRenderTarget);
60         if (This->parentDevice) IUnknown_Release(This->parentDevice);
61         HeapFree(GetProcessHeap(), 0, This);
62     }
63     return ref;
64 }
65
66 /* IDirect3DSwapChain8 parts follow: */
67 static HRESULT WINAPI IDirect3DSwapChain8Impl_Present(LPDIRECT3DSWAPCHAIN8 iface, CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion) {
68     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
69     TRACE("(%p) Relay\n", This);
70     return IWineD3DSwapChain_Present(This->wineD3DSwapChain, pSourceRect, pDestRect, hDestWindowOverride, pDirtyRegion, 0);
71 }
72
73 static HRESULT WINAPI IDirect3DSwapChain8Impl_GetBackBuffer(LPDIRECT3DSWAPCHAIN8 iface, UINT iBackBuffer, D3DBACKBUFFER_TYPE Type, IDirect3DSurface8** ppBackBuffer) {
74     IDirect3DSwapChain8Impl *This = (IDirect3DSwapChain8Impl *)iface;
75     HRESULT hrc = D3D_OK;
76     IWineD3DSurface *mySurface = NULL;
77
78     TRACE("(%p) Relay\n", This);
79
80     hrc = IWineD3DSwapChain_GetBackBuffer(This->wineD3DSwapChain, iBackBuffer, (WINED3DBACKBUFFER_TYPE )Type, &mySurface);
81     if (hrc == D3D_OK && NULL != mySurface) {
82        IWineD3DSurface_GetParent(mySurface, (IUnknown **)ppBackBuffer);
83        IWineD3DSurface_Release(mySurface);
84     }
85     return hrc;
86 }
87
88 const IDirect3DSwapChain8Vtbl Direct3DSwapChain8_Vtbl =
89 {
90     IDirect3DSwapChain8Impl_QueryInterface,
91     IDirect3DSwapChain8Impl_AddRef,
92     IDirect3DSwapChain8Impl_Release,
93     IDirect3DSwapChain8Impl_Present,
94     IDirect3DSwapChain8Impl_GetBackBuffer
95 };