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 = D3D_OK;
 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     if ((wined3d_surface = wined3d_swapchain_get_back_buffer(swapchain->wined3d_swapchain,
 120             backbuffer_idx, (enum wined3d_backbuffer_type)backbuffer_type)))
 121     {
 122         surface_impl = wined3d_surface_get_parent(wined3d_surface);
 123         *backbuffer = &surface_impl->IDirect3DSurface8_iface;
 124         IDirect3DSurface8_AddRef(*backbuffer);
 125     }
 126     else
 127     {
 128         hr = D3DERR_INVALIDCALL;
 129     }
 130     wined3d_mutex_unlock();
 131
 132     return hr;
 133 }
 134
 135 static const IDirect3DSwapChain8Vtbl d3d8_swapchain_vtbl =
 136 {
 137     d3d8_swapchain_QueryInterface,
 138     d3d8_swapchain_AddRef,
 139     d3d8_swapchain_Release,
 140     d3d8_swapchain_Present,
 141     d3d8_swapchain_GetBackBuffer
 142 };
 143
 144 static void STDMETHODCALLTYPE d3d8_swapchain_wined3d_object_released(void *parent)
 145 {
 146     HeapFree(GetProcessHeap(), 0, parent);
 147 }
 148
 149 static const struct wined3d_parent_ops d3d8_swapchain_wined3d_parent_ops =
 150 {
 151     d3d8_swapchain_wined3d_object_released,
 152 };
 153
 154 static HRESULT swapchain_init(struct d3d8_swapchain *swapchain, struct d3d8_device *device,
 155         struct wined3d_swapchain_desc *desc)
 156 {
 157     HRESULT hr;
 158
 159     swapchain->refcount = 1;
 160     swapchain->IDirect3DSwapChain8_iface.lpVtbl = &d3d8_swapchain_vtbl;
 161
 162     wined3d_mutex_lock();
 163     hr = wined3d_swapchain_create(device->wined3d_device, desc,
 164             WINED3D_SURFACE_TYPE_OPENGL, swapchain, &d3d8_swapchain_wined3d_parent_ops,
 165             &swapchain->wined3d_swapchain);
 166     wined3d_mutex_unlock();
 167
 168     if (FAILED(hr))
 169     {
 170         WARN("Failed to create wined3d swapchain, hr %#x.\n", hr);
 171         return hr;
 172     }
 173
 174     swapchain->parent_device = &device->IDirect3DDevice8_iface;
 175     IDirect3DDevice8_AddRef(swapchain->parent_device);
 176
 177     return D3D_OK;
 178 }
 179
 180 HRESULT d3d8_swapchain_create(struct d3d8_device *device, struct wined3d_swapchain_desc *desc,
 181         struct d3d8_swapchain **swapchain)
 182 {
 183     struct d3d8_swapchain *object;
 184     HRESULT hr;
 185
 186     if (!(object = HeapAlloc(GetProcessHeap(),  HEAP_ZERO_MEMORY, sizeof(*object))))
 187     {
 188         ERR("Failed to allocate swapchain memory.\n");
 189         return E_OUTOFMEMORY;
 190     }
 191
 192     if (FAILED(hr = swapchain_init(object, device, desc)))
 193     {
 194         WARN("Failed to initialize swapchain, hr %#x.\n", hr);
 195         HeapFree(GetProcessHeap(), 0, object);
 196         return hr;
 197     }
 198
 199     TRACE("Created swapchain %p.\n", object);
 200     *swapchain = object;
 201
 202     return D3D_OK;
 203 }