dll/directx/wine/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 "d3d8_private.h"
  22
  23 static inline struct d3d8_swapchain *impl_from_IDirect3DSwapChain8(IDirect3DSwapChain8 *iface)
  24 {
  25     return CONTAINING_RECORD(iface, struct d3d8_swapchain, IDirect3DSwapChain8_iface);
  26 }
  27
  28 static HRESULT WINAPI d3d8_swapchain_QueryInterface(IDirect3DSwapChain8 *iface, REFIID riid, void **out)
  29 {
  30     TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
  31
  32     if (IsEqualGUID(riid, &IID_IDirect3DSwapChain8)
  33             || IsEqualGUID(riid, &IID_IUnknown))
  34     {
  35         IDirect3DSwapChain8_AddRef(iface);
  36         *out = iface;
  37         return S_OK;
  38     }
  39
  40     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
  41
  42     *out = NULL;
  43     return E_NOINTERFACE;
  44 }
  45
  46 static ULONG WINAPI d3d8_swapchain_AddRef(IDirect3DSwapChain8 *iface)
  47 {
  48     struct d3d8_swapchain *swapchain = impl_from_IDirect3DSwapChain8(iface);
  49     ULONG ref = InterlockedIncrement(&swapchain->refcount);
  50
  51     TRACE("%p increasing refcount to %u.\n", iface, ref);
  52
  53     if (ref == 1)
  54     {
  55         if (swapchain->parent_device)
  56             IDirect3DDevice8_AddRef(swapchain->parent_device);
  57         wined3d_mutex_lock();
  58         wined3d_swapchain_incref(swapchain->wined3d_swapchain);
  59         wined3d_mutex_unlock();
  60     }
  61
  62     return ref;
  63 }
  64
  65 static ULONG WINAPI d3d8_swapchain_Release(IDirect3DSwapChain8 *iface)
  66 {
  67     struct d3d8_swapchain *swapchain = impl_from_IDirect3DSwapChain8(iface);
  68     ULONG ref = InterlockedDecrement(&swapchain->refcount);
  69
  70     TRACE("%p decreasing refcount to %u.\n", iface, ref);
  71
  72     if (!ref)
  73     {
  74         IDirect3DDevice8 *parent_device = swapchain->parent_device;
  75
  76         wined3d_mutex_lock();
  77         wined3d_swapchain_decref(swapchain->wined3d_swapchain);
  78         wined3d_mutex_unlock();
  79
  80         if (parent_device)
  81             IDirect3DDevice8_Release(parent_device);
  82     }
  83     return ref;
  84 }
  85
  86 static HRESULT WINAPI d3d8_swapchain_Present(IDirect3DSwapChain8 *iface,
  87         const RECT *src_rect, const RECT *dst_rect, HWND dst_window_override,
  88         const RGNDATA *dirty_region)
  89 {
  90     struct d3d8_swapchain *swapchain = impl_from_IDirect3DSwapChain8(iface);
  91     struct d3d8_device *device = impl_from_IDirect3DDevice8(swapchain->parent_device);
  92     HRESULT hr;
  93
  94     TRACE("iface %p, src_rect %s, dst_rect %s, dst_window_override %p, dirty_region %p.\n",
  95             iface, wine_dbgstr_rect(src_rect), wine_dbgstr_rect(dst_rect), dst_window_override, dirty_region);
  96
  97     if (device->device_state != D3D8_DEVICE_STATE_OK)
  98         return D3DERR_DEVICELOST;
  99
 100     wined3d_mutex_lock();
 101     hr = wined3d_swapchain_present(swapchain->wined3d_swapchain, src_rect,
 102             dst_rect, dst_window_override, dirty_region, 0);
 103     wined3d_mutex_unlock();
 104
 105     return hr;
 106 }
 107
 108 static HRESULT WINAPI d3d8_swapchain_GetBackBuffer(IDirect3DSwapChain8 *iface,
 109         UINT backbuffer_idx, D3DBACKBUFFER_TYPE backbuffer_type, IDirect3DSurface8 **backbuffer)
 110 {
 111     struct d3d8_swapchain *swapchain = impl_from_IDirect3DSwapChain8(iface);
 112     struct wined3d_surface *wined3d_surface = NULL;
 113     struct d3d8_surface *surface_impl;
 114     HRESULT hr = D3D_OK;
 115
 116     TRACE("iface %p, backbuffer_idx %u, backbuffer_type %#x, backbuffer %p.\n",
 117             iface, backbuffer_idx, backbuffer_type, backbuffer);
 118
 119     wined3d_mutex_lock();
 120     if ((wined3d_surface = wined3d_swapchain_get_back_buffer(swapchain->wined3d_swapchain,
 121             backbuffer_idx, (enum wined3d_backbuffer_type)backbuffer_type)))
 122     {
 123         surface_impl = wined3d_surface_get_parent(wined3d_surface);
 124         *backbuffer = &surface_impl->IDirect3DSurface8_iface;
 125         IDirect3DSurface8_AddRef(*backbuffer);
 126     }
 127     else
 128     {
 129         hr = D3DERR_INVALIDCALL;
 130     }
 131     wined3d_mutex_unlock();
 132
 133     return hr;
 134 }
 135
 136 static const IDirect3DSwapChain8Vtbl d3d8_swapchain_vtbl =
 137 {
 138     d3d8_swapchain_QueryInterface,
 139     d3d8_swapchain_AddRef,
 140     d3d8_swapchain_Release,
 141     d3d8_swapchain_Present,
 142     d3d8_swapchain_GetBackBuffer
 143 };
 144
 145 static void STDMETHODCALLTYPE d3d8_swapchain_wined3d_object_released(void *parent)
 146 {
 147     HeapFree(GetProcessHeap(), 0, parent);
 148 }
 149
 150 static const struct wined3d_parent_ops d3d8_swapchain_wined3d_parent_ops =
 151 {
 152     d3d8_swapchain_wined3d_object_released,
 153 };
 154
 155 static HRESULT swapchain_init(struct d3d8_swapchain *swapchain, struct d3d8_device *device,
 156         struct wined3d_swapchain_desc *desc)
 157 {
 158     HRESULT hr;
 159
 160     swapchain->refcount = 1;
 161     swapchain->IDirect3DSwapChain8_iface.lpVtbl = &d3d8_swapchain_vtbl;
 162
 163     wined3d_mutex_lock();
 164     hr = wined3d_swapchain_create(device->wined3d_device, desc, swapchain,
 165             &d3d8_swapchain_wined3d_parent_ops, &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         return E_OUTOFMEMORY;
 188
 189     if (FAILED(hr = swapchain_init(object, device, desc)))
 190     {
 191         WARN("Failed to initialize swapchain, hr %#x.\n", hr);
 192         HeapFree(GetProcessHeap(), 0, object);
 193         return hr;
 194     }
 195
 196     TRACE("Created swapchain %p.\n", object);
 197     *swapchain = object;
 198
 199     return D3D_OK;
 200 }