shcore: Add GetScaleFactorForDevice() stub.

dlls/shcore/main.c

@@ -86,6 +86,13 @@ HRESULT WINAPI GetScaleFactorForMonitor(HMONITOR monitor, DEVICE_SCALE_FACTOR *s
     return S_OK;
 }
 
+DEVICE_SCALE_FACTOR WINAPI GetScaleFactorForDevice(DISPLAY_DEVICE_TYPE device_type)
+{
+    FIXME("%d\n", device_type);
+
+    return SCALE_100_PERCENT;
+}
+
 HRESULT WINAPI _IStream_Read(IStream *stream, void *dest, ULONG size)
 {
     ULONG read;

dlls/shcore/shcore.spec

@@ -11,7 +11,7 @@
 @ stub GetDpiForShellUIComponent
 @ stdcall GetProcessDpiAwareness(long ptr)
 @ stdcall GetProcessReference(ptr)
-@ stub GetScaleFactorForDevice
+@ stdcall GetScaleFactorForDevice(long)
 @ stdcall GetScaleFactorForMonitor(long ptr)
 @ stub IStream_Copy
 @ stdcall IStream_Read(ptr ptr long) _IStream_Read

include/shellscalingapi.h

@@ -36,8 +36,15 @@ typedef enum PROCESS_DPI_AWARENESS
     PROCESS_PER_MONITOR_DPI_AWARE
 } PROCESS_DPI_AWARENESS;
 
+typedef enum
+{
+    DEVICE_PRIMARY   = 0,
+    DEVICE_IMMERSIVE = 1,
+} DISPLAY_DEVICE_TYPE;
+
 HRESULT WINAPI GetDpiForMonitor(HMONITOR,MONITOR_DPI_TYPE,UINT*,UINT*);
 HRESULT WINAPI GetProcessDpiAwareness(HANDLE,PROCESS_DPI_AWARENESS*);
+DEVICE_SCALE_FACTOR WINAPI GetScaleFactorForDevice(DISPLAY_DEVICE_TYPE device_type);
 HRESULT WINAPI GetScaleFactorForMonitor(HMONITOR,DEVICE_SCALE_FACTOR*);
 HRESULT WINAPI SetProcessDpiAwareness(PROCESS_DPI_AWARENESS);