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[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     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 };