Correct return value in a couple of error cases.
[wine] / dlls / d3d9 / swapchain.c
1 /*
2  * IDirect3DSwapChain9 implementation
3  *
4  * Copyright 2002-2003 Jason Edmeades
5  *                     Raphael Junqueira
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20  */
21
22 #include "config.h"
23
24 #include <stdarg.h>
25
26 #define NONAMELESSUNION
27 #define NONAMELESSSTRUCT
28 #include "windef.h"
29 #include "winbase.h"
30 #include "winuser.h"
31 #include "wingdi.h"
32 #include "wine/debug.h"
33
34 #include "d3d9_private.h"
35
36 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
37
38 /* IDirect3DSwapChain IUnknown parts follow: */
39 HRESULT WINAPI IDirect3DSwapChain9Impl_QueryInterface(LPDIRECT3DSWAPCHAIN9 iface, REFIID riid, LPVOID* ppobj)
40 {
41     ICOM_THIS(IDirect3DSwapChain9Impl,iface);
42
43     if (IsEqualGUID(riid, &IID_IUnknown)
44         || IsEqualGUID(riid, &IID_IDirect3DSwapChain9)) {
45         IDirect3DSwapChain9Impl_AddRef(iface);
46         *ppobj = This;
47         return D3D_OK;
48     }
49
50     WARN("(%p)->(%s,%p),not found\n", This, debugstr_guid(riid), ppobj);
51     return E_NOINTERFACE;
52 }
53
54 ULONG WINAPI IDirect3DSwapChain9Impl_AddRef(LPDIRECT3DSWAPCHAIN9 iface) {
55     ICOM_THIS(IDirect3DSwapChain9Impl,iface);
56     TRACE("(%p) : AddRef from %ld\n", This, This->ref);
57     return ++(This->ref);
58 }
59
60 ULONG WINAPI IDirect3DSwapChain9Impl_Release(LPDIRECT3DSWAPCHAIN9 iface) {
61     ICOM_THIS(IDirect3DSwapChain9Impl,iface);
62     ULONG ref = --This->ref;
63     TRACE("(%p) : ReleaseRef to %ld\n", This, This->ref);
64     if (ref == 0) {
65         HeapFree(GetProcessHeap(), 0, This);
66     }
67     return ref;
68 }
69
70 /* IDirect3DSwapChain9 parts follow: */
71 HRESULT WINAPI IDirect3DSwapChain9Impl_Present(LPDIRECT3DSWAPCHAIN9 iface, CONST RECT* pSourceRect, CONST RECT* pDestRect, HWND hDestWindowOverride, CONST RGNDATA* pDirtyRegion, DWORD dwFlags) {
72     ICOM_THIS(IDirect3DSwapChain9Impl,iface);
73     FIXME("(%p) : stub\n", This);
74     return D3D_OK;
75 }
76
77 HRESULT WINAPI IDirect3DSwapChain9Impl_GetFrontBufferData(LPDIRECT3DSWAPCHAIN9 iface, IDirect3DSurface9* pDestSurface) {
78     ICOM_THIS(IDirect3DSwapChain9Impl,iface);
79     FIXME("(%p) : stub\n", This);
80     return D3D_OK;
81 }
82
83 HRESULT WINAPI IDirect3DSwapChain9Impl_GetBackBuffer(LPDIRECT3DSWAPCHAIN9 iface, UINT iBackBuffer, D3DBACKBUFFER_TYPE Type, IDirect3DSurface9** ppBackBuffer) {
84     ICOM_THIS(IDirect3DSwapChain9Impl,iface);
85     FIXME("(%p) : stub\n", This);
86     return D3D_OK;
87 }
88
89 HRESULT WINAPI IDirect3DSwapChain9Impl_GetRasterStatus(LPDIRECT3DSWAPCHAIN9 iface, D3DRASTER_STATUS* pRasterStatus) {
90     ICOM_THIS(IDirect3DSwapChain9Impl,iface);
91     FIXME("(%p) : stub\n", This);
92     return D3D_OK;
93 }
94
95 HRESULT WINAPI IDirect3DSwapChain9Impl_GetDisplayMode(LPDIRECT3DSWAPCHAIN9 iface, D3DDISPLAYMODE* pMode) {
96     ICOM_THIS(IDirect3DSwapChain9Impl,iface);
97     FIXME("(%p) : stub\n", This);
98     return D3D_OK;
99 }
100
101 HRESULT WINAPI IDirect3DSwapChain9Impl_GetDevice(LPDIRECT3DSWAPCHAIN9 iface, IDirect3DDevice9** ppDevice) {
102     ICOM_THIS(IDirect3DSwapChain9Impl,iface);  
103     TRACE("(%p) : returning %p\n", This, This->Device);
104     *ppDevice = (LPDIRECT3DDEVICE9) This->Device;
105
106     /* Note  Calling this method will increase the internal reference count 
107        on the IDirect3DDevice9 interface. */
108     IDirect3DDevice9Impl_AddRef(*ppDevice);
109     return D3D_OK;
110 }
111
112 HRESULT WINAPI IDirect3DSwapChain9Impl_GetPresentParameters(LPDIRECT3DSWAPCHAIN9 iface, D3DPRESENT_PARAMETERS* pPresentationParameters) {
113     ICOM_THIS(IDirect3DSwapChain9Impl,iface);
114     FIXME("(%p) : copy\n", This); 
115     memcpy(pPresentationParameters, &This->PresentParms, sizeof(D3DPRESENT_PARAMETERS));
116     return D3D_OK;
117 }
118
119
120 ICOM_VTABLE(IDirect3DSwapChain9) Direct3DSwapChain9_Vtbl =
121 {
122     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
123     IDirect3DSwapChain9Impl_QueryInterface,
124     IDirect3DSwapChain9Impl_AddRef,
125     IDirect3DSwapChain9Impl_Release,
126     IDirect3DSwapChain9Impl_Present,
127     IDirect3DSwapChain9Impl_GetFrontBufferData,
128     IDirect3DSwapChain9Impl_GetBackBuffer,
129     IDirect3DSwapChain9Impl_GetRasterStatus,
130     IDirect3DSwapChain9Impl_GetDisplayMode,
131     IDirect3DSwapChain9Impl_GetDevice,
132     IDirect3DSwapChain9Impl_GetPresentParameters
133 };
134
135
136 /* IDirect3DDevice9 IDirect3DSwapChain9 Methods follow: */
137 HRESULT  WINAPI  IDirect3DDevice9Impl_CreateAdditionalSwapChain(LPDIRECT3DDEVICE9 iface, D3DPRESENT_PARAMETERS* pPresentationParameters, IDirect3DSwapChain9** pSwapChain) {
138     ICOM_THIS(IDirect3DDevice9Impl,iface);
139     FIXME("(%p) : stub\n", This);
140     return D3D_OK;
141 }
142
143 HRESULT  WINAPI  IDirect3DDevice9Impl_GetSwapChain(LPDIRECT3DDEVICE9 iface, UINT iSwapChain, IDirect3DSwapChain9** pSwapChain) {
144     ICOM_THIS(IDirect3DDevice9Impl,iface);
145     FIXME("(%p) : stub\n", This);
146     return D3D_OK;
147 }
148
149 UINT     WINAPI  IDirect3DDevice9Impl_GetNumberOfSwapChains(LPDIRECT3DDEVICE9 iface) {
150     ICOM_THIS(IDirect3DDevice9Impl,iface);
151     FIXME("(%p) : stub\n", This);
152     return 1;
153 }