[PATCH 3/5] wined3d: Specify a wined3d output for swapchain creation.

Zhiyi Zhang zzhang at codeweavers.com
Tue May 12 07:49:31 CDT 2020


As tests showed, DirectDraw, Direct3D 8 and 9 always use the adapter
specified in the device creation parameters regardless of the device
window position when creating a swapchain. Whereas DXGI uses the device
window position to determine which DXGI output to use.

Signed-off-by: Zhiyi Zhang <zzhang at codeweavers.com>
---
 dlls/d3d8/device.c       | 21 +++++++++++++------
 dlls/d3d9/device.c       | 21 ++++++++++++-------
 dlls/ddraw/ddraw.c       |  1 +
 dlls/dxgi/device.c       | 45 ++++++++++++++++++++++++++++++++++++++--
 dlls/dxgi/dxgi_private.h |  4 +++-
 dlls/dxgi/swapchain.c    | 33 +++++++++++++++++++++++++----
 dlls/dxgi/utils.c        |  8 +++++--
 dlls/wined3d/device.c    |  1 +
 dlls/wined3d/swapchain.c | 14 +++----------
 include/wine/wined3d.h   |  1 +
 10 files changed, 116 insertions(+), 33 deletions(-)

diff --git a/dlls/d3d8/device.c b/dlls/d3d8/device.c
index d3a88acc35d..f4bdb748275 100644
--- a/dlls/d3d8/device.c
+++ b/dlls/d3d8/device.c
@@ -262,8 +262,8 @@ static enum wined3d_multisample_type wined3d_multisample_type_from_d3d(D3DMULTIS
     return (enum wined3d_multisample_type)type;
 }
 
-static BOOL wined3d_swapchain_desc_from_present_parameters(struct wined3d_swapchain_desc *swapchain_desc,
-        const D3DPRESENT_PARAMETERS *present_parameters)
+static BOOL wined3d_swapchain_desc_from_d3d8(struct wined3d_swapchain_desc *swapchain_desc,
+        struct wined3d_output *output, const D3DPRESENT_PARAMETERS *present_parameters)
 {
     if (!present_parameters->SwapEffect || present_parameters->SwapEffect > D3DSWAPEFFECT_COPY_VSYNC)
     {
@@ -293,6 +293,7 @@ static BOOL wined3d_swapchain_desc_from_present_parameters(struct wined3d_swapch
             return FALSE;
     }
 
+    swapchain_desc->output = output;
     swapchain_desc->backbuffer_width = present_parameters->BackBufferWidth;
     swapchain_desc->backbuffer_height = present_parameters->BackBufferHeight;
     swapchain_desc->backbuffer_format = wined3dformat_from_d3dformat(present_parameters->BackBufferFormat);
@@ -846,6 +847,7 @@ static HRESULT WINAPI d3d8_device_CreateAdditionalSwapChain(IDirect3DDevice8 *if
     struct wined3d_swapchain_desc desc;
     struct d3d8_swapchain *object;
     unsigned int swap_interval;
+    unsigned int output_idx;
     unsigned int i, count;
     HRESULT hr;
 
@@ -876,7 +878,9 @@ static HRESULT WINAPI d3d8_device_CreateAdditionalSwapChain(IDirect3DDevice8 *if
     }
     wined3d_mutex_unlock();
 
-    if (!wined3d_swapchain_desc_from_present_parameters(&desc, present_parameters))
+    output_idx = device->adapter_ordinal;
+    if (!wined3d_swapchain_desc_from_d3d8(&desc, device->d3d_parent->wined3d_outputs[output_idx],
+            present_parameters))
         return D3DERR_INVALIDCALL;
     swap_interval = wined3dswapinterval_from_d3d(present_parameters->FullScreen_PresentationInterval);
     if (SUCCEEDED(hr = d3d8_swapchain_create(device, &desc, swap_interval, &object)))
@@ -941,6 +945,7 @@ static HRESULT WINAPI d3d8_device_Reset(IDirect3DDevice8 *iface,
     struct d3d8_device *device = impl_from_IDirect3DDevice8(iface);
     struct wined3d_swapchain_desc swapchain_desc;
     struct d3d8_swapchain *implicit_swapchain;
+    unsigned int output_idx;
     HRESULT hr;
 
     TRACE("iface %p, present_parameters %p.\n", iface, present_parameters);
@@ -950,7 +955,9 @@ static HRESULT WINAPI d3d8_device_Reset(IDirect3DDevice8 *iface,
         WARN("App not active, returning D3DERR_DEVICELOST.\n");
         return D3DERR_DEVICELOST;
     }
-    if (!wined3d_swapchain_desc_from_present_parameters(&swapchain_desc, present_parameters))
+    output_idx = device->adapter_ordinal;
+    if (!wined3d_swapchain_desc_from_d3d8(&swapchain_desc,
+            device->d3d_parent->wined3d_outputs[output_idx], present_parameters))
         return D3DERR_INVALIDCALL;
     swapchain_desc.flags |= WINED3D_SWAPCHAIN_IMPLICIT;
 
@@ -3718,6 +3725,7 @@ HRESULT device_init(struct d3d8_device *device, struct d3d8 *parent, struct wine
     struct wined3d_swapchain_desc swapchain_desc;
     struct wined3d_swapchain *wined3d_swapchain;
     struct wined3d_adapter *wined3d_adapter;
+    struct wined3d_output *wined3d_output;
     struct d3d8_swapchain *d3d_swapchain;
     struct wined3d_caps caps;
     unsigned int output_idx;
@@ -3750,7 +3758,8 @@ HRESULT device_init(struct d3d8_device *device, struct d3d8 *parent, struct wine
     if (!(flags & D3DCREATE_FPU_PRESERVE)) setup_fpu();
 
     wined3d_mutex_lock();
-    wined3d_adapter = wined3d_output_get_adapter(parent->wined3d_outputs[output_idx]);
+    wined3d_output = parent->wined3d_outputs[output_idx];
+    wined3d_adapter = wined3d_output_get_adapter(wined3d_output);
     if (FAILED(hr = wined3d_device_create(wined3d, wined3d_adapter, wined3d_device_type_from_d3d(device_type),
             focus_window, flags, 4, feature_levels, ARRAY_SIZE(feature_levels),
             &device->device_parent, &device->wined3d_device)))
@@ -3792,7 +3801,7 @@ HRESULT device_init(struct d3d8_device *device, struct d3d8 *parent, struct wine
     if (flags & D3DCREATE_MULTITHREADED)
         wined3d_device_set_multithreaded(device->wined3d_device);
 
-    if (!wined3d_swapchain_desc_from_present_parameters(&swapchain_desc, parameters))
+    if (!wined3d_swapchain_desc_from_d3d8(&swapchain_desc, wined3d_output, parameters))
     {
         wined3d_device_release_focus_window(device->wined3d_device);
         wined3d_device_decref(device->wined3d_device);
diff --git a/dlls/d3d9/device.c b/dlls/d3d9/device.c
index 61aee971a1d..2ee582b4c54 100644
--- a/dlls/d3d9/device.c
+++ b/dlls/d3d9/device.c
@@ -300,8 +300,9 @@ static enum wined3d_swap_interval wined3dswapinterval_from_d3d(DWORD interval)
     }
 }
 
-static BOOL wined3d_swapchain_desc_from_present_parameters(struct wined3d_swapchain_desc *swapchain_desc,
-        const D3DPRESENT_PARAMETERS *present_parameters, BOOL extended)
+static BOOL wined3d_swapchain_desc_from_d3d9(struct wined3d_swapchain_desc *swapchain_desc,
+        struct wined3d_output *output, const D3DPRESENT_PARAMETERS *present_parameters,
+        BOOL extended)
 {
     D3DSWAPEFFECT highest_swapeffect = extended ? D3DSWAPEFFECT_FLIPEX : D3DSWAPEFFECT_COPY;
     UINT highest_bb_count = extended ? 30 : 3;
@@ -332,6 +333,7 @@ static BOOL wined3d_swapchain_desc_from_present_parameters(struct wined3d_swapch
             return FALSE;
     }
 
+    swapchain_desc->output = output;
     swapchain_desc->backbuffer_width = present_parameters->BackBufferWidth;
     swapchain_desc->backbuffer_height = present_parameters->BackBufferHeight;
     swapchain_desc->backbuffer_format = wined3dformat_from_d3dformat(present_parameters->BackBufferFormat);
@@ -887,6 +889,7 @@ static HRESULT WINAPI DECLSPEC_HOTPATCH d3d9_device_CreateAdditionalSwapChain(ID
     struct wined3d_swapchain_desc desc;
     struct d3d9_swapchain *object;
     unsigned int swap_interval;
+    unsigned int output_idx;
     unsigned int i, count;
     HRESULT hr;
 
@@ -917,8 +920,9 @@ static HRESULT WINAPI DECLSPEC_HOTPATCH d3d9_device_CreateAdditionalSwapChain(ID
     }
     wined3d_mutex_unlock();
 
-    if (!wined3d_swapchain_desc_from_present_parameters(&desc, present_parameters,
-            device->d3d_parent->extended))
+    output_idx = device->adapter_ordinal;
+    if (!wined3d_swapchain_desc_from_d3d9(&desc, device->d3d_parent->wined3d_outputs[output_idx],
+            present_parameters, device->d3d_parent->extended))
         return D3DERR_INVALIDCALL;
     swap_interval = wined3dswapinterval_from_d3d(present_parameters->PresentationInterval);
     if (SUCCEEDED(hr = d3d9_swapchain_create(device, &desc, swap_interval, &object)))
@@ -1042,6 +1046,7 @@ static HRESULT d3d9_device_reset(struct d3d9_device *device,
     struct wined3d_display_mode wined3d_mode;
     struct wined3d_rendertarget_view *rtv;
     struct d3d9_swapchain *d3d9_swapchain;
+    unsigned int output_idx;
     unsigned int i;
     HRESULT hr;
 
@@ -1060,7 +1065,9 @@ static HRESULT d3d9_device_reset(struct d3d9_device *device,
         wined3d_mode.scanline_ordering = wined3d_scanline_ordering_from_d3d(mode->ScanLineOrdering);
     }
 
-    if (!wined3d_swapchain_desc_from_present_parameters(&swapchain_desc, present_parameters, extended))
+    output_idx = device->adapter_ordinal;
+    if (!wined3d_swapchain_desc_from_d3d9(&swapchain_desc,
+            device->d3d_parent->wined3d_outputs[output_idx], present_parameters, extended))
         return D3DERR_INVALIDCALL;
     swapchain_desc.flags |= WINED3D_SWAPCHAIN_IMPLICIT;
 
@@ -4763,8 +4770,8 @@ HRESULT device_init(struct d3d9_device *device, struct d3d9 *parent, struct wine
 
     for (i = 0; i < count; ++i)
     {
-        if (!wined3d_swapchain_desc_from_present_parameters(&swapchain_desc[i], &parameters[i],
-                parent->extended))
+        if (!wined3d_swapchain_desc_from_d3d9(&swapchain_desc[i],
+                parent->wined3d_outputs[output_idx + i], &parameters[i], parent->extended))
         {
             wined3d_device_release_focus_window(device->wined3d_device);
             wined3d_device_decref(device->wined3d_device);
diff --git a/dlls/ddraw/ddraw.c b/dlls/ddraw/ddraw.c
index 866b7089080..6f640ef422a 100644
--- a/dlls/ddraw/ddraw.c
+++ b/dlls/ddraw/ddraw.c
@@ -563,6 +563,7 @@ static HRESULT ddraw_attach_d3d_device(struct ddraw *ddraw, HWND window,
     }
 
     memset(&swapchain_desc, 0, sizeof(swapchain_desc));
+    swapchain_desc.output = ddraw->wined3d_output;
     swapchain_desc.backbuffer_width = mode.width;
     swapchain_desc.backbuffer_height = mode.height;
     swapchain_desc.backbuffer_format = mode.format_id;
diff --git a/dlls/dxgi/device.c b/dlls/dxgi/device.c
index 5edd431199a..5f0c40f2e47 100644
--- a/dlls/dxgi/device.c
+++ b/dlls/dxgi/device.c
@@ -427,13 +427,37 @@ static HRESULT STDMETHODCALLTYPE dxgi_swapchain_factory_create_swapchain(IWineDX
 {
     struct dxgi_device *device = impl_from_IWineDXGISwapChainFactory(iface);
     struct wined3d_swapchain_desc wined3d_desc;
+    struct IDXGIOutput *containing_output;
     struct d3d11_swapchain *object;
+    struct IDXGIAdapter *adapter;
     HRESULT hr;
 
     TRACE("iface %p, factory %p, window %p, desc %p, fullscreen_desc %p, output %p, swapchain %p.\n",
             iface, factory, window, desc, fullscreen_desc, output, swapchain);
 
-    if (FAILED(hr = wined3d_swapchain_desc_from_dxgi(&wined3d_desc, window, desc, fullscreen_desc)))
+    if (FAILED(hr = dxgi_get_output_from_window(factory, window, &containing_output)))
+    {
+        WARN("Failed to get output from window %p, hr %#x.\n", window, hr);
+
+        /* FIXME: As wined3d only supports one output currently, even if a window is on a
+         * non-primary output, the swapchain will use the primary output. Keep this behaviour
+         * until all outputs are correctly enumerated. Otherwise it will create a regression
+         * for applications that specify a device window on a non-primary output */
+        if (FAILED(hr = IDXGIFactory_EnumAdapters(factory, 0, &adapter)))
+            return hr;
+
+        hr = IDXGIAdapter_EnumOutputs(adapter, 0, &containing_output);
+        IDXGIAdapter_Release(adapter);
+        if (FAILED(hr))
+            return hr;
+
+        FIXME("Using the primary output for the device window that is on a non-primary output.\n");
+    }
+
+    hr = wined3d_swapchain_desc_from_dxgi(&wined3d_desc, containing_output, window, desc,
+            fullscreen_desc);
+    IDXGIOutput_Release(containing_output);
+    if (FAILED(hr))
         return hr;
 
     if (!(object = heap_alloc_zero(sizeof(*object))))
@@ -474,7 +498,10 @@ HRESULT dxgi_device_init(struct dxgi_device *device, struct dxgi_device_layer *l
     struct d3d11_swapchain *swapchain;
     struct dxgi_adapter *dxgi_adapter;
     struct dxgi_factory *dxgi_factory;
+    struct dxgi_output *dxgi_output;
+    struct IDXGIOutput *output;
     void *layer_base;
+    HWND window;
     HRESULT hr;
 
     if (!(dxgi_factory = unsafe_impl_from_IDXGIFactory(factory)))
@@ -530,11 +557,25 @@ HRESULT dxgi_device_init(struct dxgi_device *device, struct dxgi_device_layer *l
         return hr;
     }
 
+    window = dxgi_factory_get_device_window(dxgi_factory);
+    if (FAILED(hr = dxgi_get_output_from_window(factory, window, &output)))
+    {
+        ERR("Failed to get output from window %p.\n", window);
+        wined3d_device_decref(device->wined3d_device);
+        IUnknown_Release(device->child_layer);
+        wined3d_private_store_cleanup(&device->private_store);
+        wined3d_mutex_unlock();
+        return hr;
+    }
+    dxgi_output = unsafe_impl_from_IDXGIOutput(output);
+
     memset(&swapchain_desc, 0, sizeof(swapchain_desc));
     swapchain_desc.swap_effect = WINED3D_SWAP_EFFECT_DISCARD;
-    swapchain_desc.device_window = dxgi_factory_get_device_window(dxgi_factory);
+    swapchain_desc.device_window = window;
     swapchain_desc.windowed = TRUE;
     swapchain_desc.flags = WINED3D_SWAPCHAIN_IMPLICIT;
+    swapchain_desc.output = dxgi_output->wined3d_output;
+    IDXGIOutput_Release(output);
 
     if (!(swapchain = heap_alloc_zero(sizeof(*swapchain))))
     {
diff --git a/dlls/dxgi/dxgi_private.h b/dlls/dxgi/dxgi_private.h
index 117fe5e692c..a125a7667d9 100644
--- a/dlls/dxgi/dxgi_private.h
+++ b/dlls/dxgi/dxgi_private.h
@@ -96,8 +96,10 @@ void wined3d_display_mode_from_dxgi1(struct wined3d_display_mode *wined3d_mode,
 DXGI_USAGE dxgi_usage_from_wined3d_bind_flags(unsigned int wined3d_bind_flags) DECLSPEC_HIDDEN;
 unsigned int wined3d_bind_flags_from_dxgi_usage(DXGI_USAGE usage) DECLSPEC_HIDDEN;
 unsigned int dxgi_swapchain_flags_from_wined3d(unsigned int wined3d_flags) DECLSPEC_HIDDEN;
+HRESULT dxgi_get_output_from_window(IDXGIFactory *factory, HWND window, IDXGIOutput **dxgi_output)
+        DECLSPEC_HIDDEN;
 HRESULT wined3d_swapchain_desc_from_dxgi(struct wined3d_swapchain_desc *wined3d_desc,
-        HWND window, const DXGI_SWAP_CHAIN_DESC1 *dxgi_desc,
+        IDXGIOutput *dxgi_containing_output, HWND window, const DXGI_SWAP_CHAIN_DESC1 *dxgi_desc,
         const DXGI_SWAP_CHAIN_FULLSCREEN_DESC *dxgi_fullscreen_desc) DECLSPEC_HIDDEN;
 
 HRESULT dxgi_get_private_data(struct wined3d_private_store *store,
diff --git a/dlls/dxgi/swapchain.c b/dlls/dxgi/swapchain.c
index 81ba50942ad..5351c69cdd0 100644
--- a/dlls/dxgi/swapchain.c
+++ b/dlls/dxgi/swapchain.c
@@ -111,8 +111,7 @@ BOOL dxgi_validate_swapchain_desc(const DXGI_SWAP_CHAIN_DESC1 *desc)
     return TRUE;
 }
 
-static HRESULT dxgi_get_output_from_window(IDXGIFactory *factory, HWND window,
-        IDXGIOutput **dxgi_output)
+HRESULT dxgi_get_output_from_window(IDXGIFactory *factory, HWND window, IDXGIOutput **dxgi_output)
 {
     unsigned int adapter_idx, output_idx;
     DXGI_OUTPUT_DESC desc;
@@ -415,6 +414,7 @@ static HRESULT STDMETHODCALLTYPE DECLSPEC_HOTPATCH d3d11_swapchain_SetFullscreen
     struct d3d11_swapchain *swapchain = d3d11_swapchain_from_IDXGISwapChain1(iface);
     struct wined3d_swapchain_desc swapchain_desc;
     struct wined3d_swapchain_state *state;
+    struct dxgi_output *dxgi_output;
     HRESULT hr;
 
     TRACE("iface %p, fullscreen %#x, target %p.\n", iface, fullscreen, target);
@@ -434,10 +434,12 @@ static HRESULT STDMETHODCALLTYPE DECLSPEC_HOTPATCH d3d11_swapchain_SetFullscreen
         WARN("Failed to get target output for swapchain, hr %#x.\n", hr);
         return hr;
     }
+    dxgi_output = unsafe_impl_from_IDXGIOutput(target);
 
     wined3d_mutex_lock();
     state = wined3d_swapchain_get_state(swapchain->wined3d_swapchain);
     wined3d_swapchain_get_desc(swapchain->wined3d_swapchain, &swapchain_desc);
+    swapchain_desc.output = dxgi_output->wined3d_output;
     swapchain_desc.windowed = !fullscreen;
     hr = dxgi_swapchain_set_fullscreen_state(state, &swapchain_desc, target);
     wined3d_mutex_unlock();
@@ -2261,7 +2263,8 @@ static HRESULT STDMETHODCALLTYPE DECLSPEC_HOTPATCH d3d12_swapchain_SetFullscreen
         return hr;
     }
 
-    if (FAILED(hr = wined3d_swapchain_desc_from_dxgi(&wined3d_desc, window, swapchain_desc, fullscreen_desc)))
+    if (FAILED(hr = wined3d_swapchain_desc_from_dxgi(&wined3d_desc, target, window, swapchain_desc,
+            fullscreen_desc)))
         goto fail;
     wined3d_mutex_lock();
     wined3d_desc.windowed = !fullscreen;
@@ -2928,6 +2931,7 @@ static HRESULT d3d12_swapchain_init(struct d3d12_swapchain *swapchain, IWineDXGI
     IUnknown *device_parent;
     VkInstance vk_instance;
     IDXGIAdapter *adapter;
+    IDXGIOutput *output;
     VkBool32 supported;
     VkDevice vk_device;
     VkFence vk_fence;
@@ -2970,8 +2974,29 @@ static HRESULT d3d12_swapchain_init(struct d3d12_swapchain *swapchain, IWineDXGI
     if (FAILED(hr = IUnknown_QueryInterface(device_parent, &IID_IDXGIAdapter, (void **)&adapter)))
         return hr;
     dxgi_adapter = unsafe_impl_from_IDXGIAdapter(adapter);
+
+    if (FAILED(hr = dxgi_get_output_from_window((IDXGIFactory *)factory, window, &output)))
+    {
+        WARN("Failed to get output from window %p, hr %#x.\n", window, hr);
+
+        /* FIXME: As wined3d only supports one output currently, even if a window is on a
+         * non-primary output, the swapchain will use the primary output. Keep this behaviour
+         * until all outputs are correctly enumerated. Otherwise it will create a regression
+         * for applications that specify a device window on a non-primary output */
+        if (FAILED(hr = IDXGIAdapter_EnumOutputs(adapter, 0, &output)))
+        {
+            IDXGIAdapter_Release(adapter);
+            return hr;
+        }
+
+        FIXME("Using the primary output for the device window that is on a non-primary output.\n");
+    }
     IDXGIAdapter_Release(adapter);
-    if (FAILED(hr = wined3d_swapchain_desc_from_dxgi(&wined3d_desc, window, swapchain_desc, fullscreen_desc)))
+
+    hr = wined3d_swapchain_desc_from_dxgi(&wined3d_desc, output, window, swapchain_desc,
+            fullscreen_desc);
+    IDXGIOutput_Release(output);
+    if (FAILED(hr))
         return hr;
     if (FAILED(hr = wined3d_swapchain_state_create(&wined3d_desc, window,
             dxgi_adapter->factory->wined3d, &swapchain->state)))
diff --git a/dlls/dxgi/utils.c b/dlls/dxgi/utils.c
index a32c7ee1294..ca87e3c1942 100644
--- a/dlls/dxgi/utils.c
+++ b/dlls/dxgi/utils.c
@@ -561,9 +561,12 @@ static unsigned int wined3d_swapchain_flags_from_dxgi(unsigned int flags)
     return wined3d_flags;
 }
 
-HRESULT wined3d_swapchain_desc_from_dxgi(struct wined3d_swapchain_desc *wined3d_desc, HWND window,
-        const DXGI_SWAP_CHAIN_DESC1 *dxgi_desc, const DXGI_SWAP_CHAIN_FULLSCREEN_DESC *dxgi_fullscreen_desc)
+HRESULT wined3d_swapchain_desc_from_dxgi(struct wined3d_swapchain_desc *wined3d_desc,
+        IDXGIOutput *dxgi_containing_output, HWND window, const DXGI_SWAP_CHAIN_DESC1 *dxgi_desc,
+        const DXGI_SWAP_CHAIN_FULLSCREEN_DESC *dxgi_fullscreen_desc)
 {
+    struct dxgi_output *dxgi_output = unsafe_impl_from_IDXGIOutput(dxgi_containing_output);
+
     if (dxgi_desc->Scaling != DXGI_SCALING_STRETCH)
         FIXME("Ignoring scaling %#x.\n", dxgi_desc->Scaling);
     if (dxgi_desc->AlphaMode != DXGI_ALPHA_MODE_IGNORE)
@@ -592,6 +595,7 @@ HRESULT wined3d_swapchain_desc_from_dxgi(struct wined3d_swapchain_desc *wined3d_
             return DXGI_ERROR_INVALID_CALL;
     }
 
+    wined3d_desc->output = dxgi_output->wined3d_output;
     wined3d_desc->backbuffer_width = dxgi_desc->Width;
     wined3d_desc->backbuffer_height = dxgi_desc->Height;
     wined3d_desc->backbuffer_format = wined3dformat_from_dxgi_format(dxgi_desc->Format);
diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 1711014c8d2..cc13ab4863e 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -4910,6 +4910,7 @@ HRESULT CDECL wined3d_device_reset(struct wined3d_device *device,
     }
 
     TRACE("New params:\n");
+    TRACE("output %p\n", swapchain_desc->output);
     TRACE("backbuffer_width %u\n", swapchain_desc->backbuffer_width);
     TRACE("backbuffer_height %u\n", swapchain_desc->backbuffer_height);
     TRACE("backbuffer_format %s\n", debug_d3dformat(swapchain_desc->backbuffer_format));
diff --git a/dlls/wined3d/swapchain.c b/dlls/wined3d/swapchain.c
index 466bcd95cae..3e303789f6e 100644
--- a/dlls/wined3d/swapchain.c
+++ b/dlls/wined3d/swapchain.c
@@ -873,7 +873,6 @@ static HRESULT wined3d_swapchain_init(struct wined3d_swapchain *swapchain, struc
 {
     struct wined3d_resource_desc texture_desc;
     struct wined3d_output_desc output_desc;
-    struct wined3d_output *output;
     BOOL displaymode_set = FALSE;
     DWORD texture_flags = 0;
     HRESULT hr = E_FAIL;
@@ -934,13 +933,7 @@ static HRESULT wined3d_swapchain_init(struct wined3d_swapchain *swapchain, struc
     }
     else
     {
-        if (!(output = wined3d_swapchain_get_output(swapchain)))
-        {
-            ERR("Failed to get output from swapchain %p.\n", swapchain);
-            goto err;
-        }
-
-        if (FAILED(hr = wined3d_output_get_desc(output, &output_desc)))
+        if (FAILED(hr = wined3d_output_get_desc(desc->output, &output_desc)))
         {
             ERR("Failed to get output description, hr %#x.\n", hr);
             goto err;
@@ -996,8 +989,7 @@ static HRESULT wined3d_swapchain_init(struct wined3d_swapchain *swapchain, struc
     if (!desc->windowed && desc->flags & WINED3D_SWAPCHAIN_ALLOW_MODE_SWITCH)
     {
         /* Change the display settings */
-        output = wined3d_swapchain_get_output(swapchain);
-        if (!output || FAILED(hr = wined3d_output_set_display_mode(output,
+        if (FAILED(hr = wined3d_output_set_display_mode(desc->output,
                 &swapchain->state.d3d_mode)))
         {
             WARN("Failed to set display mode, hr %#x.\n", hr);
@@ -1081,7 +1073,7 @@ static HRESULT wined3d_swapchain_init(struct wined3d_swapchain *swapchain, struc
 err:
     if (displaymode_set)
     {
-        if (!output || FAILED(wined3d_output_set_display_mode(output,
+        if (FAILED(wined3d_output_set_display_mode(desc->output,
                 &swapchain->state.original_mode)))
             ERR("Failed to restore display mode.\n");
     }
diff --git a/include/wine/wined3d.h b/include/wine/wined3d.h
index d3eb8100cd8..cfec8f10c8c 100644
--- a/include/wine/wined3d.h
+++ b/include/wine/wined3d.h
@@ -1756,6 +1756,7 @@ struct wined3d_adapter_identifier
 
 struct wined3d_swapchain_desc
 {
+    struct wined3d_output *output;
     unsigned int backbuffer_width;
     unsigned int backbuffer_height;
     enum wined3d_format_id backbuffer_format;
-- 
2.25.1




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