dxgi: Retrieve d3d12 swapchain fullscreen state from wined3d.

Once Alt+Enter handling is implemented, the fullscreen state may change
without dxgi necessarily being aware of it.

Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/dxgi/swapchain.c

@@ -2276,7 +2276,11 @@ static HRESULT STDMETHODCALLTYPE d3d12_swapchain_GetFullscreenState(IDXGISwapCha
     TRACE("iface %p, fullscreen %p, target %p.\n", iface, fullscreen, target);
 
     if (fullscreen)
-        *fullscreen = !swapchain->fullscreen_desc.Windowed;
+    {
+        wined3d_mutex_lock();
+        *fullscreen = !wined3d_swapchain_state_is_windowed(swapchain->state);
+        wined3d_mutex_unlock();
+    }
 
     if (target && (*target = swapchain->target))
         IDXGIOutput_AddRef(*target);
@@ -2289,6 +2293,7 @@ static HRESULT STDMETHODCALLTYPE d3d12_swapchain_GetDesc(IDXGISwapChain4 *iface,
     struct d3d12_swapchain *swapchain = d3d12_swapchain_from_IDXGISwapChain4(iface);
     const DXGI_SWAP_CHAIN_FULLSCREEN_DESC *fullscreen_desc = &swapchain->fullscreen_desc;
     const DXGI_SWAP_CHAIN_DESC1 *swapchain_desc = &swapchain->desc;
+    BOOL windowed;
 
     TRACE("iface %p, desc %p.\n", iface, desc);
 
@@ -2298,6 +2303,10 @@ static HRESULT STDMETHODCALLTYPE d3d12_swapchain_GetDesc(IDXGISwapChain4 *iface,
         return E_INVALIDARG;
     }
 
+    wined3d_mutex_lock();
+    windowed = wined3d_swapchain_state_is_windowed(swapchain->state);
+    wined3d_mutex_unlock();
+
     desc->BufferDesc.Width = swapchain_desc->Width;
     desc->BufferDesc.Height = swapchain_desc->Height;
     desc->BufferDesc.RefreshRate = fullscreen_desc->RefreshRate;
@@ -2308,7 +2317,7 @@ static HRESULT STDMETHODCALLTYPE d3d12_swapchain_GetDesc(IDXGISwapChain4 *iface,
     desc->BufferUsage = swapchain_desc->BufferUsage;
     desc->BufferCount = swapchain_desc->BufferCount;
     desc->OutputWindow = swapchain->window;
-    desc->Windowed = fullscreen_desc->Windowed;
+    desc->Windowed = windowed;
     desc->SwapEffect = swapchain_desc->SwapEffect;
     desc->Flags = swapchain_desc->Flags;
 
@@ -2470,6 +2479,7 @@ static HRESULT STDMETHODCALLTYPE d3d12_swapchain_GetFullscreenDesc(IDXGISwapChai
         DXGI_SWAP_CHAIN_FULLSCREEN_DESC *desc)
 {
     struct d3d12_swapchain *swapchain = d3d12_swapchain_from_IDXGISwapChain4(iface);
+    BOOL windowed;
 
     TRACE("iface %p, desc %p.\n", iface, desc);
 
@@ -2479,7 +2489,12 @@ static HRESULT STDMETHODCALLTYPE d3d12_swapchain_GetFullscreenDesc(IDXGISwapChai
         return E_INVALIDARG;
     }
 
+    wined3d_mutex_lock();
+    windowed = wined3d_swapchain_state_is_windowed(swapchain->state);
+    wined3d_mutex_unlock();
+
     *desc = swapchain->fullscreen_desc;
+    desc->Windowed = windowed;
     return S_OK;
 }
 

dlls/wined3d/swapchain.c

@@ -2266,6 +2266,13 @@ HRESULT CDECL wined3d_swapchain_state_set_fullscreen(struct wined3d_swapchain_st
     return WINED3D_OK;
 }
 
+BOOL CDECL wined3d_swapchain_state_is_windowed(const struct wined3d_swapchain_state *state)
+{
+    TRACE("state %p.\n", state);
+
+    return state->desc.windowed;
+}
+
 void CDECL wined3d_swapchain_state_destroy(struct wined3d_swapchain_state *state)
 {
     heap_free(state);

dlls/wined3d/wined3d.spec

@@ -291,6 +291,7 @@
 
 @ cdecl wined3d_swapchain_state_create(ptr ptr ptr)
 @ cdecl wined3d_swapchain_state_destroy(ptr)
+@ cdecl wined3d_swapchain_state_is_windowed(ptr)
 @ cdecl wined3d_swapchain_state_resize_target(ptr ptr)
 @ cdecl wined3d_swapchain_state_set_fullscreen(ptr ptr ptr)
 

include/wine/wined3d.h

@@ -2806,6 +2806,7 @@ void __cdecl wined3d_swapchain_set_window(struct wined3d_swapchain *swapchain, H
 HRESULT __cdecl wined3d_swapchain_state_create(const struct wined3d_swapchain_desc *desc,
         HWND window, struct wined3d_swapchain_state **state);
 void __cdecl wined3d_swapchain_state_destroy(struct wined3d_swapchain_state *state);
+BOOL __cdecl wined3d_swapchain_state_is_windowed(const struct wined3d_swapchain_state *state);
 HRESULT __cdecl wined3d_swapchain_state_resize_target(struct wined3d_swapchain_state *state,
         const struct wined3d_display_mode *mode);
 HRESULT __cdecl wined3d_swapchain_state_set_fullscreen(struct wined3d_swapchain_state *state,