wined3d: Lock wined3d mutex in wined3d_swapchain_present().

dlls/d3d8/swapchain.c

@@ -88,7 +88,6 @@ static HRESULT WINAPI DECLSPEC_HOTPATCH d3d8_swapchain_Present(IDirect3DSwapChai
 {
     struct d3d8_swapchain *swapchain = impl_from_IDirect3DSwapChain8(iface);
     struct d3d8_device *device = impl_from_IDirect3DDevice8(swapchain->parent_device);
-    HRESULT hr;
 
     TRACE("iface %p, src_rect %s, dst_rect %s, dst_window_override %p, dirty_region %p.\n",
             iface, wine_dbgstr_rect(src_rect), wine_dbgstr_rect(dst_rect), dst_window_override, dirty_region);
@@ -99,12 +98,8 @@ static HRESULT WINAPI DECLSPEC_HOTPATCH d3d8_swapchain_Present(IDirect3DSwapChai
     if (dirty_region)
         FIXME("Ignoring dirty_region %p.\n", dirty_region);
 
-    wined3d_mutex_lock();
-    hr = wined3d_swapchain_present(swapchain->wined3d_swapchain,
+    return wined3d_swapchain_present(swapchain->wined3d_swapchain,
             src_rect, dst_rect, dst_window_override, swapchain->swap_interval, 0);
-    wined3d_mutex_unlock();
-
-    return hr;
 }
 
 static HRESULT WINAPI d3d8_swapchain_GetBackBuffer(IDirect3DSwapChain8 *iface,

dlls/d3d9/swapchain.c

@@ -140,7 +140,6 @@ static HRESULT WINAPI DECLSPEC_HOTPATCH d3d9_swapchain_Present(IDirect3DSwapChai
 {
     struct d3d9_swapchain *swapchain = impl_from_IDirect3DSwapChain9Ex(iface);
     struct d3d9_device *device = impl_from_IDirect3DDevice9Ex(swapchain->parent_device);
-    HRESULT hr;
 
     TRACE("iface %p, src_rect %s, dst_rect %s, dst_window_override %p, dirty_region %p, flags %#x.\n",
             iface, wine_dbgstr_rect(src_rect), wine_dbgstr_rect(dst_rect),
@@ -152,12 +151,8 @@ static HRESULT WINAPI DECLSPEC_HOTPATCH d3d9_swapchain_Present(IDirect3DSwapChai
     if (dirty_region)
         FIXME("Ignoring dirty_region %p.\n", dirty_region);
 
-    wined3d_mutex_lock();
-    hr = wined3d_swapchain_present(swapchain->wined3d_swapchain,
+    return wined3d_swapchain_present(swapchain->wined3d_swapchain,
             src_rect, dst_rect, dst_window_override, swapchain->swap_interval, flags);
-    wined3d_mutex_unlock();
-
-    return hr;
 }
 
 static HRESULT WINAPI d3d9_swapchain_GetFrontBufferData(IDirect3DSwapChain9Ex *iface, IDirect3DSurface9 *surface)

dlls/dxgi/swapchain.c

@@ -602,7 +602,6 @@ static HRESULT STDMETHODCALLTYPE d3d11_swapchain_Present1(IDXGISwapChain1 *iface
         UINT sync_interval, UINT flags, const DXGI_PRESENT_PARAMETERS *present_parameters)
 {
     struct d3d11_swapchain *swapchain = d3d11_swapchain_from_IDXGISwapChain1(iface);
-    HRESULT hr;
 
     TRACE("iface %p, sync_interval %u, flags %#x, present_parameters %p.\n",
             iface, sync_interval, flags, present_parameters);
@@ -624,11 +623,7 @@ static HRESULT STDMETHODCALLTYPE d3d11_swapchain_Present1(IDXGISwapChain1 *iface
     if (present_parameters)
         FIXME("Ignored present parameters %p.\n", present_parameters);
 
-    wined3d_mutex_lock();
-    hr = wined3d_swapchain_present(swapchain->wined3d_swapchain, NULL, NULL, NULL, sync_interval, 0);
-    wined3d_mutex_unlock();
-
-    return hr;
+    return wined3d_swapchain_present(swapchain->wined3d_swapchain, NULL, NULL, NULL, sync_interval, 0);
 }
 
 static BOOL STDMETHODCALLTYPE d3d11_swapchain_IsTemporaryMonoSupported(IDXGISwapChain1 *iface)

dlls/wined3d/swapchain.c

@@ -164,9 +164,12 @@ HRESULT CDECL wined3d_swapchain_present(struct wined3d_swapchain *swapchain,
     if (flags)
         FIXME("Ignoring flags %#x.\n", flags);
 
+    wined3d_mutex_lock();
+
     if (!swapchain->back_buffers)
     {
         WARN("Swapchain doesn't have a backbuffer, returning WINED3DERR_INVALIDCALL.\n");
+        wined3d_mutex_unlock();
         return WINED3DERR_INVALIDCALL;
     }
 
@@ -186,6 +189,8 @@ HRESULT CDECL wined3d_swapchain_present(struct wined3d_swapchain *swapchain,
     wined3d_cs_emit_present(swapchain->device->cs, swapchain, src_rect,
             dst_rect, dst_window_override, swap_interval, flags);
 
+    wined3d_mutex_unlock();
+
     return WINED3D_OK;
 }