dxgi: Implement dxgi_swapchain_GetFullscreenDesc().

dlls/dxgi/swapchain.c

@@ -465,9 +465,30 @@ static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetDesc1(IDXGISwapChain1 *iface,
 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetFullscreenDesc(IDXGISwapChain1 *iface,
         DXGI_SWAP_CHAIN_FULLSCREEN_DESC *desc)
 {
-    FIXME("iface %p, desc %p stub!\n", iface, desc);
+    struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain1(iface);
+    struct wined3d_swapchain_desc wined3d_desc;
 
-    return E_NOTIMPL;
+    TRACE("iface %p, desc %p.\n", iface, desc);
+
+    if (!desc)
+    {
+        WARN("Invalid pointer.\n");
+        return E_INVALIDARG;
+    }
+
+    wined3d_mutex_lock();
+    wined3d_swapchain_get_desc(swapchain->wined3d_swapchain, &wined3d_desc);
+    wined3d_mutex_unlock();
+
+    FIXME("Ignoring ScanlineOrdering and Scaling.\n");
+
+    desc->RefreshRate.Numerator = wined3d_desc.refresh_rate;
+    desc->RefreshRate.Denominator = 1;
+    desc->ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
+    desc->Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
+    desc->Windowed = wined3d_desc.windowed;
+
+    return S_OK;
 }
 
 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetHwnd(IDXGISwapChain1 *iface, HWND *hwnd)

dlls/dxgi/tests/device.c

@@ -868,6 +868,7 @@ static void test_create_swapchain(void)
     struct swapchain_fullscreen_state initial_state, expected_state;
     unsigned int  i, expected_width, expected_height;
     DXGI_SWAP_CHAIN_DESC creation_desc, result_desc;
+    DXGI_SWAP_CHAIN_FULLSCREEN_DESC fullscreen_desc;
     DXGI_SWAP_CHAIN_DESC1 swapchain_desc;
     IDXGIDevice *device, *bgra_device;
     ULONG refcount, expected_refcount;
@@ -978,6 +979,12 @@ static void test_create_swapchain(void)
                 "Got unexpected scaling %#x.\n", swapchain_desc.Scaling);
         ok(swapchain_desc.AlphaMode == DXGI_ALPHA_MODE_IGNORE,
                 "Got unexpected alpha mode %#x.\n", swapchain_desc.AlphaMode);
+        hr = IDXGISwapChain1_GetFullscreenDesc(swapchain1, NULL);
+        ok(hr == E_INVALIDARG, "Got unexpected hr %#x.\n", hr);
+        hr = IDXGISwapChain1_GetFullscreenDesc(swapchain1, &fullscreen_desc);
+        ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
+        ok(fullscreen_desc.Windowed == creation_desc.Windowed,
+                "Got unexpected windowed %#x.\n", fullscreen_desc.Windowed);
         hr = IDXGISwapChain1_GetHwnd(swapchain1, &window);
         ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
         ok(window == creation_desc.OutputWindow, "Got unexpected window %p.\n", window);