dlls/dxgi/swapchain.c - wine - Git at Google

 /*
  * Copyright 2008 Henri Verbeet for CodeWeavers
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  *
  */

 #include "config.h"
 #include "wine/port.h"

 #include "dxgi_private.h"

 WINE_DEFAULT_DEBUG_CHANNEL(dxgi);

 static inline struct dxgi_swapchain *impl_from_IDXGISwapChain(IDXGISwapChain *iface)
 {
     return CONTAINING_RECORD(iface, struct dxgi_swapchain, IDXGISwapChain_iface);
 }

 /* IUnknown methods */

 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_QueryInterface(IDXGISwapChain *iface, REFIID riid, void **object)
 {
     TRACE("iface %p, riid %s, object %p\n", iface, debugstr_guid(riid), object);

     if (IsEqualGUID(riid, &IID_IUnknown)
             || IsEqualGUID(riid, &IID_IDXGIObject)
             || IsEqualGUID(riid, &IID_IDXGIDeviceSubObject)
             || IsEqualGUID(riid, &IID_IDXGISwapChain))
     {
         IUnknown_AddRef(iface);
         *object = iface;
         return S_OK;
     }

     WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid));

     *object = NULL;
     return E_NOINTERFACE;
 }

 static ULONG STDMETHODCALLTYPE dxgi_swapchain_AddRef(IDXGISwapChain *iface)
 {
     struct dxgi_swapchain *This = impl_from_IDXGISwapChain(iface);
     ULONG refcount = InterlockedIncrement(&This->refcount);

     TRACE("%p increasing refcount to %u\n", This, refcount);

     if (refcount == 1)
     {
         wined3d_mutex_lock();
         wined3d_swapchain_incref(This->wined3d_swapchain);
         wined3d_mutex_unlock();
     }

     return refcount;
 }

 static ULONG STDMETHODCALLTYPE dxgi_swapchain_Release(IDXGISwapChain *iface)
 {
     struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);
     ULONG refcount = InterlockedDecrement(&swapchain->refcount);

     TRACE("%p decreasing refcount to %u.\n", swapchain, refcount);

     if (!refcount)
     {
         IWineDXGIDevice *device = swapchain->device;
         if (swapchain->target)
         {
             WARN("Releasing fullscreen swapchain.\n");
             IDXGIOutput_Release(swapchain->target);
         }
         if (swapchain->factory)
             IDXGIFactory_Release(swapchain->factory);
         wined3d_mutex_lock();
         wined3d_swapchain_decref(swapchain->wined3d_swapchain);
         wined3d_mutex_unlock();
         if (device)
             IWineDXGIDevice_Release(device);
     }

     return refcount;
 }

 /* IDXGIObject methods */

 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_SetPrivateData(IDXGISwapChain *iface,
         REFGUID guid, UINT data_size, const void *data)
 {
     struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);

     TRACE("iface %p, guid %s, data_size %u, data %p.\n", iface, debugstr_guid(guid), data_size, data);

     return dxgi_set_private_data(&swapchain->private_store, guid, data_size, data);
 }

 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_SetPrivateDataInterface(IDXGISwapChain *iface,
         REFGUID guid, const IUnknown *object)
 {
     struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);

     TRACE("iface %p, guid %s, object %p.\n", iface, debugstr_guid(guid), object);

     return dxgi_set_private_data_interface(&swapchain->private_store, guid, object);
 }

 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetPrivateData(IDXGISwapChain *iface,
         REFGUID guid, UINT *data_size, void *data)
 {
     struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);

     TRACE("iface %p, guid %s, data_size %p, data %p.\n", iface, debugstr_guid(guid), data_size, data);

     return dxgi_get_private_data(&swapchain->private_store, guid, data_size, data);
 }

 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetParent(IDXGISwapChain *iface, REFIID riid, void **parent)
 {
     struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);

     TRACE("iface %p, riid %s, parent %p.\n", iface, debugstr_guid(riid), parent);

     if (!swapchain->factory)
     {
         ERR("Implicit swapchain does not store reference to parent.\n");
         *parent = NULL;
         return E_NOINTERFACE;
     }

     return IDXGIFactory_QueryInterface(swapchain->factory, riid, parent);
 }

 /* IDXGIDeviceSubObject methods */

 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetDevice(IDXGISwapChain *iface, REFIID riid, void **device)
 {
     struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);

     TRACE("iface %p, riid %s, device %p.\n", iface, debugstr_guid(riid), device);

     if (!swapchain->device)
     {
         ERR("Implicit swapchain does not store reference to device.\n");
         *device = NULL;
         return E_NOINTERFACE;
     }

     return IWineDXGIDevice_QueryInterface(swapchain->device, riid, device);
 }

 /* IDXGISwapChain methods */

 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_Present(IDXGISwapChain *iface, UINT sync_interval, UINT flags)
 {
     struct dxgi_swapchain *This = impl_from_IDXGISwapChain(iface);
     HRESULT hr;

     TRACE("iface %p, sync_interval %u, flags %#x\n", iface, sync_interval, flags);

     if (sync_interval) FIXME("Unimplemented sync interval %u\n", sync_interval);
     if (flags) FIXME("Unimplemented flags %#x\n", flags);

     wined3d_mutex_lock();
     hr = wined3d_swapchain_present(This->wined3d_swapchain, NULL, NULL, NULL, 0);
     wined3d_mutex_unlock();

     return hr;
 }

 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetBuffer(IDXGISwapChain *iface,
         UINT buffer_idx, REFIID riid, void **surface)
 {
     struct dxgi_swapchain *This = impl_from_IDXGISwapChain(iface);
     struct wined3d_texture *texture;
     IUnknown *parent;
     HRESULT hr;

     TRACE("iface %p, buffer_idx %u, riid %s, surface %p\n",
             iface, buffer_idx, debugstr_guid(riid), surface);

     wined3d_mutex_lock();

     if (!(texture = wined3d_swapchain_get_back_buffer(This->wined3d_swapchain, buffer_idx)))
     {
         wined3d_mutex_unlock();
         return DXGI_ERROR_INVALID_CALL;
     }

     parent = wined3d_texture_get_parent(texture);
     hr = IUnknown_QueryInterface(parent, riid, surface);
     wined3d_mutex_unlock();

     return hr;
 }

 static HRESULT STDMETHODCALLTYPE DECLSPEC_HOTPATCH dxgi_swapchain_SetFullscreenState(IDXGISwapChain *iface,
         BOOL fullscreen, IDXGIOutput *target)
 {
     struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);
     struct wined3d_swapchain_desc swapchain_desc;
     HRESULT hr;

     TRACE("iface %p, fullscreen %#x, target %p.\n", iface, fullscreen, target);

     if (!fullscreen && target)
     {
         WARN("Invalid call.\n");
         return DXGI_ERROR_INVALID_CALL;
     }

     if (fullscreen)
     {
         if (target)
         {
             IDXGIOutput_AddRef(target);
         }
         else if (FAILED(hr = IDXGISwapChain_GetContainingOutput(iface, &target)))
         {
             WARN("Failed to get default target output for swapchain, hr %#x.\n", hr);
             return hr;
         }
     }

     wined3d_mutex_lock();
     wined3d_swapchain_get_desc(swapchain->wined3d_swapchain, &swapchain_desc);
     swapchain_desc.windowed = !fullscreen;
     hr = wined3d_swapchain_set_fullscreen(swapchain->wined3d_swapchain, &swapchain_desc, NULL);
     wined3d_mutex_unlock();

     if (SUCCEEDED(hr))
     {
         swapchain->fullscreen = fullscreen;
         if (swapchain->target)
             IDXGIOutput_Release(swapchain->target);
         swapchain->target = target;
     }
     else
     {
         IDXGIOutput_Release(target);
     }

     return hr;
 }

 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetFullscreenState(IDXGISwapChain *iface,
         BOOL *fullscreen, IDXGIOutput **target)
 {
     struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);

     TRACE("iface %p, fullscreen %p, target %p.\n", iface, fullscreen, target);

     if (fullscreen)
         *fullscreen = swapchain->fullscreen;

     if (target)
     {
         *target = swapchain->target;
         if (*target)
             IDXGIOutput_AddRef(*target);
     }

     return S_OK;
 }

 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetDesc(IDXGISwapChain *iface, DXGI_SWAP_CHAIN_DESC *desc)
 {
     struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);
     struct wined3d_swapchain_desc wined3d_desc;

     FIXME("iface %p, desc %p partial stub!\n", iface, desc);

     if (desc == NULL)
         return E_INVALIDARG;

     wined3d_mutex_lock();
     wined3d_swapchain_get_desc(swapchain->wined3d_swapchain, &wined3d_desc);
     wined3d_mutex_unlock();

     FIXME("Ignoring ScanlineOrdering, Scaling and SwapEffect.\n");

     desc->BufferDesc.Width = wined3d_desc.backbuffer_width;
     desc->BufferDesc.Height = wined3d_desc.backbuffer_height;
     desc->BufferDesc.RefreshRate.Numerator = wined3d_desc.refresh_rate;
     desc->BufferDesc.RefreshRate.Denominator = 1;
     desc->BufferDesc.Format = dxgi_format_from_wined3dformat(wined3d_desc.backbuffer_format);
     desc->BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
     desc->BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
     dxgi_sample_desc_from_wined3d(&desc->SampleDesc, wined3d_desc.multisample_type, wined3d_desc.multisample_quality);
     desc->BufferCount = wined3d_desc.backbuffer_count;
     desc->OutputWindow = wined3d_desc.device_window;
     desc->Windowed = wined3d_desc.windowed;
     desc->SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
     desc->Flags = dxgi_swapchain_flags_from_wined3d(wined3d_desc.flags);

     return S_OK;
 }

 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_ResizeBuffers(IDXGISwapChain *iface,
         UINT buffer_count, UINT width, UINT height, DXGI_FORMAT format, UINT flags)
 {
     struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);
     struct wined3d_swapchain_desc wined3d_desc;
     struct wined3d_texture *texture;
     IUnknown *parent;
     unsigned int i;
     HRESULT hr;

     TRACE("iface %p, buffer_count %u, width %u, height %u, format %s, flags %#x.\n",
             iface, buffer_count, width, height, debug_dxgi_format(format), flags);

     if (flags)
         FIXME("Ignoring flags %#x.\n", flags);

     wined3d_mutex_lock();
     wined3d_swapchain_get_desc(swapchain->wined3d_swapchain, &wined3d_desc);
     for (i = 0; i < wined3d_desc.backbuffer_count; ++i)
     {
         texture = wined3d_swapchain_get_back_buffer(swapchain->wined3d_swapchain, i);
         parent = wined3d_texture_get_parent(texture);
         IUnknown_AddRef(parent);
         if (IUnknown_Release(parent))
         {
             wined3d_mutex_unlock();
             return DXGI_ERROR_INVALID_CALL;
         }
     }
     if (format != DXGI_FORMAT_UNKNOWN)
         wined3d_desc.backbuffer_format = wined3dformat_from_dxgi_format(format);
     hr = wined3d_swapchain_resize_buffers(swapchain->wined3d_swapchain, buffer_count, width, height,
             wined3d_desc.backbuffer_format, wined3d_desc.multisample_type, wined3d_desc.multisample_quality);
     wined3d_mutex_unlock();

     return hr;
 }

 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_ResizeTarget(IDXGISwapChain *iface,
         const DXGI_MODE_DESC *target_mode_desc)
 {
     struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);
     struct wined3d_display_mode mode;
     HRESULT hr;

     TRACE("iface %p, target_mode_desc %p.\n", iface, target_mode_desc);

     if (!target_mode_desc)
         return DXGI_ERROR_INVALID_CALL;

     TRACE("Mode: %s.\n", debug_dxgi_mode(target_mode_desc));

     if (target_mode_desc->Scaling)
         FIXME("Ignoring scaling %#x.\n", target_mode_desc->Scaling);

     wined3d_display_mode_from_dxgi(&mode, target_mode_desc);

     wined3d_mutex_lock();
     hr = wined3d_swapchain_resize_target(swapchain->wined3d_swapchain, &mode);
     wined3d_mutex_unlock();

     return hr;
 }

 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetContainingOutput(IDXGISwapChain *iface, IDXGIOutput **output)
 {
     struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);
     IDXGIAdapter *adapter;
     IDXGIDevice *device;
     HRESULT hr;

     TRACE("iface %p, output %p.\n", iface, output);

     if (swapchain->target)
     {
         IDXGIOutput_AddRef(*output = swapchain->target);
         return S_OK;
     }

     if (FAILED(hr = dxgi_swapchain_GetDevice(iface, &IID_IDXGIDevice, (void **)&device)))
         return hr;

     hr = IDXGIDevice_GetAdapter(device, &adapter);
     IDXGIDevice_Release(device);
     if (FAILED(hr))
     {
         WARN("GetAdapter failed, hr %#x.\n", hr);
         return hr;
     }

     if (SUCCEEDED(IDXGIAdapter_EnumOutputs(adapter, 1, output)))
     {
         FIXME("Adapter has got multiple outputs, returning the first one.\n");
         IDXGIOutput_Release(*output);
     }

     hr = IDXGIAdapter_EnumOutputs(adapter, 0, output);
     IDXGIAdapter_Release(adapter);
     return hr;
 }

 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetFrameStatistics(IDXGISwapChain *iface, DXGI_FRAME_STATISTICS *stats)
 {
     FIXME("iface %p, stats %p stub!\n", iface, stats);

     return E_NOTIMPL;
 }

 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetLastPresentCount(IDXGISwapChain *iface, UINT *last_present_count)
 {
     FIXME("iface %p, last_present_count %p stub!\n", iface, last_present_count);

     return E_NOTIMPL;
 }

 static const struct IDXGISwapChainVtbl dxgi_swapchain_vtbl =
 {
     /* IUnknown methods */
     dxgi_swapchain_QueryInterface,
     dxgi_swapchain_AddRef,
     dxgi_swapchain_Release,
     /* IDXGIObject methods */
     dxgi_swapchain_SetPrivateData,
     dxgi_swapchain_SetPrivateDataInterface,
     dxgi_swapchain_GetPrivateData,
     dxgi_swapchain_GetParent,
     /* IDXGIDeviceSubObject methods */
     dxgi_swapchain_GetDevice,
     /* IDXGISwapChain methods */
     dxgi_swapchain_Present,
     dxgi_swapchain_GetBuffer,
     dxgi_swapchain_SetFullscreenState,
     dxgi_swapchain_GetFullscreenState,
     dxgi_swapchain_GetDesc,
     dxgi_swapchain_ResizeBuffers,
     dxgi_swapchain_ResizeTarget,
     dxgi_swapchain_GetContainingOutput,
     dxgi_swapchain_GetFrameStatistics,
     dxgi_swapchain_GetLastPresentCount,
 };

 static void STDMETHODCALLTYPE dxgi_swapchain_wined3d_object_released(void *parent)
 {
     struct dxgi_swapchain *swapchain = parent;

     wined3d_private_store_cleanup(&swapchain->private_store);
     HeapFree(GetProcessHeap(), 0, parent);
 }

 static const struct wined3d_parent_ops dxgi_swapchain_wined3d_parent_ops =
 {
     dxgi_swapchain_wined3d_object_released,
 };

 HRESULT dxgi_swapchain_init(struct dxgi_swapchain *swapchain, struct dxgi_device *device,
         struct wined3d_swapchain_desc *desc, BOOL implicit)
 {
     HRESULT hr;

     /**
      * A reference to the implicit swapchain is held by the wined3d device.
      * In order to avoid circular references we do not keep a reference
      * to the device in the implicit swapchain.
      */
     if (!implicit)
     {
         if (FAILED(hr = IDXGIAdapter1_GetParent(device->adapter, &IID_IDXGIFactory,
                 (void **)&swapchain->factory)))
         {
             WARN("Failed to get adapter parent, hr %#x.\n", hr);
             return hr;
         }
         IWineDXGIDevice_AddRef(swapchain->device = &device->IWineDXGIDevice_iface);
     }
     else
     {
         swapchain->device = NULL;
         swapchain->factory = NULL;
     }

     swapchain->IDXGISwapChain_iface.lpVtbl = &dxgi_swapchain_vtbl;
     swapchain->refcount = 1;
     wined3d_mutex_lock();
     wined3d_private_store_init(&swapchain->private_store);

     if (!desc->windowed && (!desc->backbuffer_width || !desc->backbuffer_height))
         FIXME("Fullscreen swapchain with back buffer width/height equal to 0 not supported properly.\n");

     swapchain->fullscreen = !desc->windowed;
     desc->windowed = TRUE;
     if (FAILED(hr = wined3d_swapchain_create(device->wined3d_device, desc, swapchain,
             &dxgi_swapchain_wined3d_parent_ops, &swapchain->wined3d_swapchain)))
     {
         WARN("Failed to create wined3d swapchain, hr %#x.\n", hr);
         goto cleanup;
     }

     swapchain->target = NULL;
     if (swapchain->fullscreen)
     {
         desc->windowed = FALSE;
         if (FAILED(hr = wined3d_swapchain_set_fullscreen(swapchain->wined3d_swapchain,
                 desc, NULL)))
         {
             WARN("Failed to set fullscreen state, hr %#x.\n", hr);
             wined3d_swapchain_decref(swapchain->wined3d_swapchain);
             goto cleanup;
         }

         if (FAILED(hr = IDXGISwapChain_GetContainingOutput(&swapchain->IDXGISwapChain_iface,
                 &swapchain->target)))
         {
             WARN("Failed to get target output for fullscreen swapchain, hr %#x.\n", hr);
             wined3d_swapchain_decref(swapchain->wined3d_swapchain);
             goto cleanup;
         }
     }
     wined3d_mutex_unlock();

     return S_OK;

 cleanup:
     wined3d_private_store_cleanup(&swapchain->private_store);
     wined3d_mutex_unlock();
     if (swapchain->factory)
         IDXGIFactory_Release(swapchain->factory);
     if (swapchain->device)
         IWineDXGIDevice_Release(swapchain->device);
     return hr;
 }
	/*
	* Copyright 2008 Henri Verbeet for CodeWeavers
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
	*
	*/

	#include "config.h"
	#include "wine/port.h"

	#include "dxgi_private.h"

	WINE_DEFAULT_DEBUG_CHANNEL(dxgi);

	static inline struct dxgi_swapchain impl_from_IDXGISwapChain(IDXGISwapChain iface)
	{
	return CONTAINING_RECORD(iface, struct dxgi_swapchain, IDXGISwapChain_iface);
	}

	/* IUnknown methods */

	static HRESULT STDMETHODCALLTYPE dxgi_swapchain_QueryInterface(IDXGISwapChain iface, REFIID riid, void *object)
	{
	TRACE("iface %p, riid %s, object %p\n", iface, debugstr_guid(riid), object);

	if (IsEqualGUID(riid, &IID_IUnknown)
	\|\| IsEqualGUID(riid, &IID_IDXGIObject)
	\|\| IsEqualGUID(riid, &IID_IDXGIDeviceSubObject)
	\|\| IsEqualGUID(riid, &IID_IDXGISwapChain))
	{
	IUnknown_AddRef(iface);
	*object = iface;
	return S_OK;
	}

	WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid));

	*object = NULL;
	return E_NOINTERFACE;
	}

	static ULONG STDMETHODCALLTYPE dxgi_swapchain_AddRef(IDXGISwapChain *iface)
	{
	struct dxgi_swapchain *This = impl_from_IDXGISwapChain(iface);
	ULONG refcount = InterlockedIncrement(&This->refcount);

	TRACE("%p increasing refcount to %u\n", This, refcount);

	if (refcount == 1)
	{
	wined3d_mutex_lock();
	wined3d_swapchain_incref(This->wined3d_swapchain);
	wined3d_mutex_unlock();
	}

	return refcount;
	}

	static ULONG STDMETHODCALLTYPE dxgi_swapchain_Release(IDXGISwapChain *iface)
	{
	struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);
	ULONG refcount = InterlockedDecrement(&swapchain->refcount);

	TRACE("%p decreasing refcount to %u.\n", swapchain, refcount);

	if (!refcount)
	{
	IWineDXGIDevice *device = swapchain->device;
	if (swapchain->target)
	{
	WARN("Releasing fullscreen swapchain.\n");
	IDXGIOutput_Release(swapchain->target);
	}
	if (swapchain->factory)
	IDXGIFactory_Release(swapchain->factory);
	wined3d_mutex_lock();
	wined3d_swapchain_decref(swapchain->wined3d_swapchain);
	wined3d_mutex_unlock();
	if (device)
	IWineDXGIDevice_Release(device);
	}

	return refcount;
	}

	/* IDXGIObject methods */

	static HRESULT STDMETHODCALLTYPE dxgi_swapchain_SetPrivateData(IDXGISwapChain *iface,
	REFGUID guid, UINT data_size, const void *data)
	{
	struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);

	TRACE("iface %p, guid %s, data_size %u, data %p.\n", iface, debugstr_guid(guid), data_size, data);

	return dxgi_set_private_data(&swapchain->private_store, guid, data_size, data);
	}

	static HRESULT STDMETHODCALLTYPE dxgi_swapchain_SetPrivateDataInterface(IDXGISwapChain *iface,
	REFGUID guid, const IUnknown *object)
	{
	struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);

	TRACE("iface %p, guid %s, object %p.\n", iface, debugstr_guid(guid), object);

	return dxgi_set_private_data_interface(&swapchain->private_store, guid, object);
	}

	static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetPrivateData(IDXGISwapChain *iface,
	REFGUID guid, UINT data_size, void data)
	{
	struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);

	TRACE("iface %p, guid %s, data_size %p, data %p.\n", iface, debugstr_guid(guid), data_size, data);

	return dxgi_get_private_data(&swapchain->private_store, guid, data_size, data);
	}

	static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetParent(IDXGISwapChain iface, REFIID riid, void *parent)
	{
	struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);

	TRACE("iface %p, riid %s, parent %p.\n", iface, debugstr_guid(riid), parent);

	if (!swapchain->factory)
	{
	ERR("Implicit swapchain does not store reference to parent.\n");
	*parent = NULL;
	return E_NOINTERFACE;
	}

	return IDXGIFactory_QueryInterface(swapchain->factory, riid, parent);
	}

	/* IDXGIDeviceSubObject methods */

	static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetDevice(IDXGISwapChain iface, REFIID riid, void *device)
	{
	struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);

	TRACE("iface %p, riid %s, device %p.\n", iface, debugstr_guid(riid), device);

	if (!swapchain->device)
	{
	ERR("Implicit swapchain does not store reference to device.\n");
	*device = NULL;
	return E_NOINTERFACE;
	}

	return IWineDXGIDevice_QueryInterface(swapchain->device, riid, device);
	}

	/* IDXGISwapChain methods */

	static HRESULT STDMETHODCALLTYPE dxgi_swapchain_Present(IDXGISwapChain *iface, UINT sync_interval, UINT flags)
	{
	struct dxgi_swapchain *This = impl_from_IDXGISwapChain(iface);
	HRESULT hr;

	TRACE("iface %p, sync_interval %u, flags %#x\n", iface, sync_interval, flags);

	if (sync_interval) FIXME("Unimplemented sync interval %u\n", sync_interval);
	if (flags) FIXME("Unimplemented flags %#x\n", flags);

	wined3d_mutex_lock();
	hr = wined3d_swapchain_present(This->wined3d_swapchain, NULL, NULL, NULL, 0);
	wined3d_mutex_unlock();

	return hr;
	}

	static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetBuffer(IDXGISwapChain *iface,
	UINT buffer_idx, REFIID riid, void **surface)
	{
	struct dxgi_swapchain *This = impl_from_IDXGISwapChain(iface);
	struct wined3d_texture *texture;
	IUnknown *parent;
	HRESULT hr;

	TRACE("iface %p, buffer_idx %u, riid %s, surface %p\n",
	iface, buffer_idx, debugstr_guid(riid), surface);

	wined3d_mutex_lock();

	if (!(texture = wined3d_swapchain_get_back_buffer(This->wined3d_swapchain, buffer_idx)))
	{
	wined3d_mutex_unlock();
	return DXGI_ERROR_INVALID_CALL;
	}

	parent = wined3d_texture_get_parent(texture);
	hr = IUnknown_QueryInterface(parent, riid, surface);
	wined3d_mutex_unlock();

	return hr;
	}

	static HRESULT STDMETHODCALLTYPE DECLSPEC_HOTPATCH dxgi_swapchain_SetFullscreenState(IDXGISwapChain *iface,
	BOOL fullscreen, IDXGIOutput *target)
	{
	struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);
	struct wined3d_swapchain_desc swapchain_desc;
	HRESULT hr;

	TRACE("iface %p, fullscreen %#x, target %p.\n", iface, fullscreen, target);

	if (!fullscreen && target)
	{
	WARN("Invalid call.\n");
	return DXGI_ERROR_INVALID_CALL;
	}

	if (fullscreen)
	{
	if (target)
	{
	IDXGIOutput_AddRef(target);
	}
	else if (FAILED(hr = IDXGISwapChain_GetContainingOutput(iface, &target)))
	{
	WARN("Failed to get default target output for swapchain, hr %#x.\n", hr);
	return hr;
	}
	}

	wined3d_mutex_lock();
	wined3d_swapchain_get_desc(swapchain->wined3d_swapchain, &swapchain_desc);
	swapchain_desc.windowed = !fullscreen;
	hr = wined3d_swapchain_set_fullscreen(swapchain->wined3d_swapchain, &swapchain_desc, NULL);
	wined3d_mutex_unlock();

	if (SUCCEEDED(hr))
	{
	swapchain->fullscreen = fullscreen;
	if (swapchain->target)
	IDXGIOutput_Release(swapchain->target);
	swapchain->target = target;
	}
	else
	{
	IDXGIOutput_Release(target);
	}

	return hr;
	}

	static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetFullscreenState(IDXGISwapChain *iface,
	BOOL fullscreen, IDXGIOutput *target)
	{
	struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);

	TRACE("iface %p, fullscreen %p, target %p.\n", iface, fullscreen, target);

	if (fullscreen)
	*fullscreen = swapchain->fullscreen;

	if (target)
	{
	*target = swapchain->target;
	if (*target)
	IDXGIOutput_AddRef(*target);
	}

	return S_OK;
	}

	static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetDesc(IDXGISwapChain iface, DXGI_SWAP_CHAIN_DESC desc)
	{
	struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);
	struct wined3d_swapchain_desc wined3d_desc;

	FIXME("iface %p, desc %p partial stub!\n", iface, desc);

	if (desc == NULL)
	return E_INVALIDARG;

	wined3d_mutex_lock();
	wined3d_swapchain_get_desc(swapchain->wined3d_swapchain, &wined3d_desc);
	wined3d_mutex_unlock();

	FIXME("Ignoring ScanlineOrdering, Scaling and SwapEffect.\n");

	desc->BufferDesc.Width = wined3d_desc.backbuffer_width;
	desc->BufferDesc.Height = wined3d_desc.backbuffer_height;
	desc->BufferDesc.RefreshRate.Numerator = wined3d_desc.refresh_rate;
	desc->BufferDesc.RefreshRate.Denominator = 1;
	desc->BufferDesc.Format = dxgi_format_from_wined3dformat(wined3d_desc.backbuffer_format);
	desc->BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
	desc->BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
	dxgi_sample_desc_from_wined3d(&desc->SampleDesc, wined3d_desc.multisample_type, wined3d_desc.multisample_quality);
	desc->BufferCount = wined3d_desc.backbuffer_count;
	desc->OutputWindow = wined3d_desc.device_window;
	desc->Windowed = wined3d_desc.windowed;
	desc->SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
	desc->Flags = dxgi_swapchain_flags_from_wined3d(wined3d_desc.flags);

	return S_OK;
	}

	static HRESULT STDMETHODCALLTYPE dxgi_swapchain_ResizeBuffers(IDXGISwapChain *iface,
	UINT buffer_count, UINT width, UINT height, DXGI_FORMAT format, UINT flags)
	{
	struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);
	struct wined3d_swapchain_desc wined3d_desc;
	struct wined3d_texture *texture;
	IUnknown *parent;
	unsigned int i;
	HRESULT hr;

	TRACE("iface %p, buffer_count %u, width %u, height %u, format %s, flags %#x.\n",
	iface, buffer_count, width, height, debug_dxgi_format(format), flags);

	if (flags)
	FIXME("Ignoring flags %#x.\n", flags);

	wined3d_mutex_lock();
	wined3d_swapchain_get_desc(swapchain->wined3d_swapchain, &wined3d_desc);
	for (i = 0; i < wined3d_desc.backbuffer_count; ++i)
	{
	texture = wined3d_swapchain_get_back_buffer(swapchain->wined3d_swapchain, i);
	parent = wined3d_texture_get_parent(texture);
	IUnknown_AddRef(parent);
	if (IUnknown_Release(parent))
	{
	wined3d_mutex_unlock();
	return DXGI_ERROR_INVALID_CALL;
	}
	}
	if (format != DXGI_FORMAT_UNKNOWN)
	wined3d_desc.backbuffer_format = wined3dformat_from_dxgi_format(format);
	hr = wined3d_swapchain_resize_buffers(swapchain->wined3d_swapchain, buffer_count, width, height,
	wined3d_desc.backbuffer_format, wined3d_desc.multisample_type, wined3d_desc.multisample_quality);
	wined3d_mutex_unlock();

	return hr;
	}

	static HRESULT STDMETHODCALLTYPE dxgi_swapchain_ResizeTarget(IDXGISwapChain *iface,
	const DXGI_MODE_DESC *target_mode_desc)
	{
	struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);
	struct wined3d_display_mode mode;
	HRESULT hr;

	TRACE("iface %p, target_mode_desc %p.\n", iface, target_mode_desc);

	if (!target_mode_desc)
	return DXGI_ERROR_INVALID_CALL;

	TRACE("Mode: %s.\n", debug_dxgi_mode(target_mode_desc));

	if (target_mode_desc->Scaling)
	FIXME("Ignoring scaling %#x.\n", target_mode_desc->Scaling);

	wined3d_display_mode_from_dxgi(&mode, target_mode_desc);

	wined3d_mutex_lock();
	hr = wined3d_swapchain_resize_target(swapchain->wined3d_swapchain, &mode);
	wined3d_mutex_unlock();

	return hr;
	}

	static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetContainingOutput(IDXGISwapChain iface, IDXGIOutput *output)
	{
	struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);
	IDXGIAdapter *adapter;
	IDXGIDevice *device;
	HRESULT hr;

	TRACE("iface %p, output %p.\n", iface, output);

	if (swapchain->target)
	{
	IDXGIOutput_AddRef(*output = swapchain->target);
	return S_OK;
	}

	if (FAILED(hr = dxgi_swapchain_GetDevice(iface, &IID_IDXGIDevice, (void **)&device)))
	return hr;

	hr = IDXGIDevice_GetAdapter(device, &adapter);
	IDXGIDevice_Release(device);
	if (FAILED(hr))
	{
	WARN("GetAdapter failed, hr %#x.\n", hr);
	return hr;
	}

	if (SUCCEEDED(IDXGIAdapter_EnumOutputs(adapter, 1, output)))
	{
	FIXME("Adapter has got multiple outputs, returning the first one.\n");
	IDXGIOutput_Release(*output);
	}

	hr = IDXGIAdapter_EnumOutputs(adapter, 0, output);
	IDXGIAdapter_Release(adapter);
	return hr;
	}

	static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetFrameStatistics(IDXGISwapChain iface, DXGI_FRAME_STATISTICS stats)
	{
	FIXME("iface %p, stats %p stub!\n", iface, stats);

	return E_NOTIMPL;
	}

	static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetLastPresentCount(IDXGISwapChain iface, UINT last_present_count)
	{
	FIXME("iface %p, last_present_count %p stub!\n", iface, last_present_count);

	return E_NOTIMPL;
	}

	static const struct IDXGISwapChainVtbl dxgi_swapchain_vtbl =
	{
	/* IUnknown methods */
	dxgi_swapchain_QueryInterface,
	dxgi_swapchain_AddRef,
	dxgi_swapchain_Release,
	/* IDXGIObject methods */
	dxgi_swapchain_SetPrivateData,
	dxgi_swapchain_SetPrivateDataInterface,
	dxgi_swapchain_GetPrivateData,
	dxgi_swapchain_GetParent,
	/* IDXGIDeviceSubObject methods */
	dxgi_swapchain_GetDevice,
	/* IDXGISwapChain methods */
	dxgi_swapchain_Present,
	dxgi_swapchain_GetBuffer,
	dxgi_swapchain_SetFullscreenState,
	dxgi_swapchain_GetFullscreenState,
	dxgi_swapchain_GetDesc,
	dxgi_swapchain_ResizeBuffers,
	dxgi_swapchain_ResizeTarget,
	dxgi_swapchain_GetContainingOutput,
	dxgi_swapchain_GetFrameStatistics,
	dxgi_swapchain_GetLastPresentCount,
	};

	static void STDMETHODCALLTYPE dxgi_swapchain_wined3d_object_released(void *parent)
	{
	struct dxgi_swapchain *swapchain = parent;

	wined3d_private_store_cleanup(&swapchain->private_store);
	HeapFree(GetProcessHeap(), 0, parent);
	}

	static const struct wined3d_parent_ops dxgi_swapchain_wined3d_parent_ops =
	{
	dxgi_swapchain_wined3d_object_released,
	};

	HRESULT dxgi_swapchain_init(struct dxgi_swapchain swapchain, struct dxgi_device device,
	struct wined3d_swapchain_desc *desc, BOOL implicit)
	{
	HRESULT hr;

	/**
	* A reference to the implicit swapchain is held by the wined3d device.
	* In order to avoid circular references we do not keep a reference
	* to the device in the implicit swapchain.
	*/
	if (!implicit)
	{
	if (FAILED(hr = IDXGIAdapter1_GetParent(device->adapter, &IID_IDXGIFactory,
	(void **)&swapchain->factory)))
	{
	WARN("Failed to get adapter parent, hr %#x.\n", hr);
	return hr;
	}
	IWineDXGIDevice_AddRef(swapchain->device = &device->IWineDXGIDevice_iface);
	}
	else
	{
	swapchain->device = NULL;
	swapchain->factory = NULL;
	}

	swapchain->IDXGISwapChain_iface.lpVtbl = &dxgi_swapchain_vtbl;
	swapchain->refcount = 1;
	wined3d_mutex_lock();
	wined3d_private_store_init(&swapchain->private_store);

	if (!desc->windowed && (!desc->backbuffer_width \|\| !desc->backbuffer_height))
	FIXME("Fullscreen swapchain with back buffer width/height equal to 0 not supported properly.\n");

	swapchain->fullscreen = !desc->windowed;
	desc->windowed = TRUE;
	if (FAILED(hr = wined3d_swapchain_create(device->wined3d_device, desc, swapchain,
	&dxgi_swapchain_wined3d_parent_ops, &swapchain->wined3d_swapchain)))
	{
	WARN("Failed to create wined3d swapchain, hr %#x.\n", hr);
	goto cleanup;
	}

	swapchain->target = NULL;
	if (swapchain->fullscreen)
	{
	desc->windowed = FALSE;
	if (FAILED(hr = wined3d_swapchain_set_fullscreen(swapchain->wined3d_swapchain,
	desc, NULL)))
	{
	WARN("Failed to set fullscreen state, hr %#x.\n", hr);
	wined3d_swapchain_decref(swapchain->wined3d_swapchain);
	goto cleanup;
	}

	if (FAILED(hr = IDXGISwapChain_GetContainingOutput(&swapchain->IDXGISwapChain_iface,
	&swapchain->target)))
	{
	WARN("Failed to get target output for fullscreen swapchain, hr %#x.\n", hr);
	wined3d_swapchain_decref(swapchain->wined3d_swapchain);
	goto cleanup;
	}
	}
	wined3d_mutex_unlock();

	return S_OK;

	cleanup:
	wined3d_private_store_cleanup(&swapchain->private_store);
	wined3d_mutex_unlock();
	if (swapchain->factory)
	IDXGIFactory_Release(swapchain->factory);
	if (swapchain->device)
	IWineDXGIDevice_Release(swapchain->device);
	return hr;
	}