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 "d3d8_private.h"
  22
  23 WINE_DEFAULT_DEBUG_CHANNEL(d3d8);
  24
  25 static inline struct d3d8_swapchain *impl_from_IDirect3DSwapChain8(IDirect3DSwapChain8 *iface)
  26 {
  27     return CONTAINING_RECORD(iface, struct d3d8_swapchain, IDirect3DSwapChain8_iface);
  28 }
  29
  30 static HRESULT WINAPI d3d8_swapchain_QueryInterface(IDirect3DSwapChain8 *iface, REFIID riid, void **out)
  31 {
  32     TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
  33
  34     if (IsEqualGUID(riid, &IID_IDirect3DSwapChain8)
  35             || IsEqualGUID(riid, &IID_IUnknown))
  36     {
  37         IDirect3DSwapChain8_AddRef(iface);
  38         *out = iface;
  39         return S_OK;
  40     }
  41
  42     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
  43
  44     *out = NULL;
  45     return E_NOINTERFACE;
  46 }
  47
  48 static ULONG WINAPI d3d8_swapchain_AddRef(IDirect3DSwapChain8 *iface)
  49 {
  50     struct d3d8_swapchain *swapchain = impl_from_IDirect3DSwapChain8(iface);
  51     ULONG ref = InterlockedIncrement(&swapchain->refcount);
  52
  53     TRACE("%p increasing refcount to %u.\n", iface, ref);
  54
  55     if (ref == 1)
  56     {
  57         if (swapchain->parent_device)
  58             IDirect3DDevice8_AddRef(swapchain->parent_device);
  59         wined3d_swapchain_incref(swapchain->wined3d_swapchain);
  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_swapchain_decref(swapchain->wined3d_swapchain);
  77
  78         if (parent_device)
  79             IDirect3DDevice8_Release(parent_device);
  80     }
  81     return ref;
  82 }
  83
  84 static HRESULT WINAPI DECLSPEC_HOTPATCH d3d8_swapchain_Present(IDirect3DSwapChain8 *iface,
  85         const RECT *src_rect, const RECT *dst_rect, HWND dst_window_override,
  86         const RGNDATA *dirty_region)
  87 {
  88     struct d3d8_swapchain *swapchain = impl_from_IDirect3DSwapChain8(iface);
  89     struct d3d8_device *device = impl_from_IDirect3DDevice8(swapchain->parent_device);
  90
  91     TRACE("iface %p, src_rect %s, dst_rect %s, dst_window_override %p, dirty_region %p.\n",
  92             iface, wine_dbgstr_rect(src_rect), wine_dbgstr_rect(dst_rect), dst_window_override, dirty_region);
  93
  94     if (device->device_state != D3D8_DEVICE_STATE_OK)
  95         return D3DERR_DEVICELOST;
  96
  97     if (dirty_region)
  98         FIXME("Ignoring dirty_region %p.\n", dirty_region);
  99
 100     return wined3d_swapchain_present(swapchain->wined3d_swapchain,
 101             src_rect, dst_rect, dst_window_override, swapchain->swap_interval, 0);
 102 }
 103
 104 static HRESULT WINAPI d3d8_swapchain_GetBackBuffer(IDirect3DSwapChain8 *iface,
 105         UINT backbuffer_idx, D3DBACKBUFFER_TYPE backbuffer_type, IDirect3DSurface8 **backbuffer)
 106 {
 107     struct d3d8_swapchain *swapchain = impl_from_IDirect3DSwapChain8(iface);
 108     struct wined3d_texture *wined3d_texture;
 109     struct d3d8_surface *surface_impl;
 110     HRESULT hr = D3D_OK;
 111
 112     TRACE("iface %p, backbuffer_idx %u, backbuffer_type %#x, backbuffer %p.\n",
 113             iface, backbuffer_idx, backbuffer_type, backbuffer);
 114
 115     /* backbuffer_type is ignored by native. */
 116
 117     if (!backbuffer)
 118     {
 119         WARN("The output pointer is NULL, returning D3DERR_INVALIDCALL.\n");
 120         return D3DERR_INVALIDCALL;
 121     }
 122
 123     wined3d_mutex_lock();
 124     if ((wined3d_texture = wined3d_swapchain_get_back_buffer(swapchain->wined3d_swapchain, backbuffer_idx)))
 125     {
 126         surface_impl = wined3d_texture_get_sub_resource_parent(wined3d_texture, 0);
 127         *backbuffer = &surface_impl->IDirect3DSurface8_iface;
 128         IDirect3DSurface8_AddRef(*backbuffer);
 129     }
 130     else
 131     {
 132         /* Do not set *backbuffer = NULL, see tests/device.c, test_swapchain(). */
 133         hr = D3DERR_INVALIDCALL;
 134     }
 135     wined3d_mutex_unlock();
 136
 137     return hr;
 138 }
 139
 140 static const IDirect3DSwapChain8Vtbl d3d8_swapchain_vtbl =
 141 {
 142     d3d8_swapchain_QueryInterface,
 143     d3d8_swapchain_AddRef,
 144     d3d8_swapchain_Release,
 145     d3d8_swapchain_Present,
 146     d3d8_swapchain_GetBackBuffer
 147 };
 148
 149 static void STDMETHODCALLTYPE d3d8_swapchain_wined3d_object_released(void *parent)
 150 {
 151     heap_free(parent);
 152 }
 153
 154 static const struct wined3d_parent_ops d3d8_swapchain_wined3d_parent_ops =
 155 {
 156     d3d8_swapchain_wined3d_object_released,
 157 };
 158
 159 static HRESULT swapchain_init(struct d3d8_swapchain *swapchain, struct d3d8_device *device,
 160         struct wined3d_swapchain_desc *desc, unsigned int swap_interval)
 161 {
 162     HRESULT hr;
 163
 164     swapchain->refcount = 1;
 165     swapchain->IDirect3DSwapChain8_iface.lpVtbl = &d3d8_swapchain_vtbl;
 166     swapchain->swap_interval = swap_interval;
 167
 168     if (FAILED(hr = wined3d_swapchain_create(device->wined3d_device, desc, swapchain,
 169             &d3d8_swapchain_wined3d_parent_ops, &swapchain->wined3d_swapchain)))
 170     {
 171         WARN("Failed to create wined3d swapchain, hr %#x.\n", hr);
 172         return hr;
 173     }
 174
 175     swapchain->parent_device = &device->IDirect3DDevice8_iface;
 176     IDirect3DDevice8_AddRef(swapchain->parent_device);
 177
 178     return D3D_OK;
 179 }
 180
 181 HRESULT d3d8_swapchain_create(struct d3d8_device *device, struct wined3d_swapchain_desc *desc,
 182         unsigned int swap_interval, struct d3d8_swapchain **swapchain)
 183 {
 184     struct d3d8_swapchain *object;
 185     HRESULT hr;
 186
 187     if (!(object = heap_alloc_zero(sizeof(*object))))
 188         return E_OUTOFMEMORY;
 189
 190     if (FAILED(hr = swapchain_init(object, device, desc, swap_interval)))
 191     {
 192         WARN("Failed to initialize swapchain, hr %#x.\n", hr);
 193         heap_free(object);
 194         return hr;
 195     }
 196
 197     TRACE("Created swapchain %p.\n", object);
 198     *swapchain = object;
 199
 200     return D3D_OK;
 201 }