vbscript: Added Left() implementation.
[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 static inline struct d3d8_swapchain *impl_from_IDirect3DSwapChain8(IDirect3DSwapChain8 *iface)
27 {
28     return CONTAINING_RECORD(iface, struct d3d8_swapchain, IDirect3DSwapChain8_iface);
29 }
30
31 static HRESULT WINAPI d3d8_swapchain_QueryInterface(IDirect3DSwapChain8 *iface, REFIID riid, void **out)
32 {
33     TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
34
35     if (IsEqualGUID(riid, &IID_IDirect3DSwapChain8)
36             || IsEqualGUID(riid, &IID_IUnknown))
37     {
38         IDirect3DSwapChain8_AddRef(iface);
39         *out = iface;
40         return S_OK;
41     }
42
43     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
44
45     *out = NULL;
46     return E_NOINTERFACE;
47 }
48
49 static ULONG WINAPI d3d8_swapchain_AddRef(IDirect3DSwapChain8 *iface)
50 {
51     struct d3d8_swapchain *swapchain = impl_from_IDirect3DSwapChain8(iface);
52     ULONG ref = InterlockedIncrement(&swapchain->refcount);
53
54     TRACE("%p increasing refcount to %u.\n", iface, ref);
55
56     if (ref == 1)
57     {
58         if (swapchain->parent_device)
59             IDirect3DDevice8_AddRef(swapchain->parent_device);
60         wined3d_mutex_lock();
61         wined3d_swapchain_incref(swapchain->wined3d_swapchain);
62         wined3d_mutex_unlock();
63     }
64
65     return ref;
66 }
67
68 static ULONG WINAPI d3d8_swapchain_Release(IDirect3DSwapChain8 *iface)
69 {
70     struct d3d8_swapchain *swapchain = impl_from_IDirect3DSwapChain8(iface);
71     ULONG ref = InterlockedDecrement(&swapchain->refcount);
72
73     TRACE("%p decreasing refcount to %u.\n", iface, ref);
74
75     if (!ref)
76     {
77         IDirect3DDevice8 *parent_device = swapchain->parent_device;
78
79         wined3d_mutex_lock();
80         wined3d_swapchain_decref(swapchain->wined3d_swapchain);
81         wined3d_mutex_unlock();
82
83         if (parent_device)
84             IDirect3DDevice8_Release(parent_device);
85     }
86     return ref;
87 }
88
89 static HRESULT WINAPI d3d8_swapchain_Present(IDirect3DSwapChain8 *iface,
90         const RECT *src_rect, const RECT *dst_rect, HWND dst_window_override,
91         const RGNDATA *dirty_region)
92 {
93     struct d3d8_swapchain *swapchain = impl_from_IDirect3DSwapChain8(iface);
94     HRESULT hr;
95
96     TRACE("iface %p, src_rect %s, dst_rect %s, dst_window_override %p, dirty_region %p.\n",
97             iface, wine_dbgstr_rect(src_rect), wine_dbgstr_rect(dst_rect), dst_window_override, dirty_region);
98
99     wined3d_mutex_lock();
100     hr = wined3d_swapchain_present(swapchain->wined3d_swapchain, src_rect,
101             dst_rect, dst_window_override, dirty_region, 0);
102     wined3d_mutex_unlock();
103
104     return hr;
105 }
106
107 static HRESULT WINAPI d3d8_swapchain_GetBackBuffer(IDirect3DSwapChain8 *iface,
108         UINT backbuffer_idx, D3DBACKBUFFER_TYPE backbuffer_type, IDirect3DSurface8 **backbuffer)
109 {
110     struct d3d8_swapchain *swapchain = impl_from_IDirect3DSwapChain8(iface);
111     struct wined3d_surface *wined3d_surface = NULL;
112     struct d3d8_surface *surface_impl;
113     HRESULT hr;
114
115     TRACE("iface %p, backbuffer_idx %u, backbuffer_type %#x, backbuffer %p.\n",
116             iface, backbuffer_idx, backbuffer_type, backbuffer);
117
118     wined3d_mutex_lock();
119     hr = wined3d_swapchain_get_back_buffer(swapchain->wined3d_swapchain,
120             backbuffer_idx, (enum wined3d_backbuffer_type)backbuffer_type, &wined3d_surface);
121     if (SUCCEEDED(hr) && wined3d_surface)
122     {
123         surface_impl = wined3d_surface_get_parent(wined3d_surface);
124         *backbuffer = &surface_impl->IDirect3DSurface8_iface;
125         IDirect3DSurface8_AddRef(*backbuffer);
126         wined3d_surface_decref(wined3d_surface);
127     }
128     wined3d_mutex_unlock();
129
130     return hr;
131 }
132
133 static const IDirect3DSwapChain8Vtbl d3d8_swapchain_vtbl =
134 {
135     d3d8_swapchain_QueryInterface,
136     d3d8_swapchain_AddRef,
137     d3d8_swapchain_Release,
138     d3d8_swapchain_Present,
139     d3d8_swapchain_GetBackBuffer
140 };
141
142 static void STDMETHODCALLTYPE d3d8_swapchain_wined3d_object_released(void *parent)
143 {
144     HeapFree(GetProcessHeap(), 0, parent);
145 }
146
147 static const struct wined3d_parent_ops d3d8_swapchain_wined3d_parent_ops =
148 {
149     d3d8_swapchain_wined3d_object_released,
150 };
151
152 static HRESULT swapchain_init(struct d3d8_swapchain *swapchain, struct d3d8_device *device,
153         struct wined3d_swapchain_desc *desc)
154 {
155     HRESULT hr;
156
157     swapchain->refcount = 1;
158     swapchain->IDirect3DSwapChain8_iface.lpVtbl = &d3d8_swapchain_vtbl;
159
160     wined3d_mutex_lock();
161     hr = wined3d_swapchain_create(device->wined3d_device, desc,
162             WINED3D_SURFACE_TYPE_OPENGL, swapchain, &d3d8_swapchain_wined3d_parent_ops,
163             &swapchain->wined3d_swapchain);
164     wined3d_mutex_unlock();
165
166     if (FAILED(hr))
167     {
168         WARN("Failed to create wined3d swapchain, hr %#x.\n", hr);
169         return hr;
170     }
171
172     swapchain->parent_device = &device->IDirect3DDevice8_iface;
173     IDirect3DDevice8_AddRef(swapchain->parent_device);
174
175     return D3D_OK;
176 }
177
178 HRESULT d3d8_swapchain_create(struct d3d8_device *device, struct wined3d_swapchain_desc *desc,
179         struct d3d8_swapchain **swapchain)
180 {
181     struct d3d8_swapchain *object;
182     HRESULT hr;
183
184     if (!(object = HeapAlloc(GetProcessHeap(),  HEAP_ZERO_MEMORY, sizeof(*object))))
185     {
186         ERR("Failed to allocate swapchain memory.\n");
187         return E_OUTOFMEMORY;
188     }
189
190     if (FAILED(hr = swapchain_init(object, device, desc)))
191     {
192         WARN("Failed to initialize swapchain, hr %#x.\n", hr);
193         HeapFree(GetProcessHeap(), 0, object);
194         return hr;
195     }
196
197     TRACE("Created swapchain %p.\n", object);
198     *swapchain = object;
199
200     return D3D_OK;
201 }