win32u: Implement NtUserGetDisplayConfigBufferSizes.

dlls/win32u/Makefile.in

@@ -37,6 +37,7 @@ C_SRCS = \
 	printdrv.c \
 	region.c \
 	syscall.c \
+	sysparams.c \
 	vertical.c \
 	vulkan.c \
 	window.c \

dlls/win32u/font.c

@@ -620,8 +620,8 @@ static void set_reg_ascii_value( HKEY hkey, const char *name, const char *value
     set_reg_value( hkey, nameW, REG_SZ, valueW, asciiz_to_unicode( valueW, value ));
 }
 
-static ULONG query_reg_value( HKEY hkey, const WCHAR *name,
-                              KEY_VALUE_PARTIAL_INFORMATION *info, ULONG size )
+ULONG query_reg_value( HKEY hkey, const WCHAR *name,
+                       KEY_VALUE_PARTIAL_INFORMATION *info, ULONG size )
 {
     unsigned int name_size = name ? lstrlenW( name ) * sizeof(WCHAR) : 0;
     UNICODE_STRING nameW = { name_size, name_size, (WCHAR *)name };

dlls/win32u/gdiobj.c

@@ -1169,6 +1169,7 @@ static struct unix_funcs unix_funcs =
     NtGdiWidenPath,
     NtUserActivateKeyboardLayout,
     NtUserCountClipboardFormats,
+    NtUserGetDisplayConfigBufferSizes,
     NtUserGetKeyNameText,
     NtUserGetKeyboardLayoutList,
     NtUserGetPriorityClipboardFormat,

dlls/win32u/win32u.spec

@@ -921,7 +921,7 @@
 @ stub NtUserGetDesktopID
 @ stub NtUserGetDisplayAutoRotationPreferences
 @ stub NtUserGetDisplayAutoRotationPreferencesByProcessId
-@ stub NtUserGetDisplayConfigBufferSizes
+@ stdcall NtUserGetDisplayConfigBufferSizes(long ptr ptr)
 @ stub NtUserGetDoubleClickTime
 @ stub NtUserGetDpiForCurrentProcess
 @ stub NtUserGetDpiForMonitor

dlls/win32u/win32u_private.h

@@ -196,6 +196,8 @@ struct unix_funcs
     BOOL     (WINAPI *pNtGdiWidenPath)( HDC hdc );
     HKL      (WINAPI *pNtUserActivateKeyboardLayout)( HKL layout, UINT flags );
     INT      (WINAPI *pNtUserCountClipboardFormats)(void);
+    LONG     (WINAPI *pNtUserGetDisplayConfigBufferSizes)( UINT32 flags, UINT32 *num_path_info,
+                                                           UINT32 *num_mode_info );
     INT      (WINAPI *pNtUserGetKeyNameText)( LONG lparam, WCHAR *buffer, INT size );
     UINT     (WINAPI *pNtUserGetKeyboardLayoutList)( INT size, HKL *layouts );
     INT      (WINAPI *pNtUserGetPriorityClipboardFormat)( UINT *list, INT count );
@@ -240,6 +242,8 @@ extern void winstation_init(void) DECLSPEC_HIDDEN;
 
 extern HKEY reg_open_hkcu_key( const char *name ) DECLSPEC_HIDDEN;
 extern HKEY reg_open_key( HKEY root, const WCHAR *name, ULONG name_len ) DECLSPEC_HIDDEN;
+extern ULONG query_reg_value( HKEY hkey, const WCHAR *name,
+                              KEY_VALUE_PARTIAL_INFORMATION *info, ULONG size ) DECLSPEC_HIDDEN;
 extern ULONG query_reg_ascii_value( HKEY hkey, const char *name,
                                     KEY_VALUE_PARTIAL_INFORMATION *info, ULONG size ) DECLSPEC_HIDDEN;
 

dlls/win32u/wrappers.c

@@ -606,6 +606,12 @@ INT WINAPI NtUserCountClipboardFormats(void)
     return unix_funcs->pNtUserCountClipboardFormats();
 }
 
+LONG WINAPI NtUserGetDisplayConfigBufferSizes( UINT32 flags, UINT32 *num_path_info,
+                                               UINT32 *num_mode_info )
+{
+    return unix_funcs->pNtUserGetDisplayConfigBufferSizes( flags, num_path_info, num_mode_info );
+}
+
 UINT WINAPI NtUserGetKeyboardLayoutList( INT size, HKL *layouts )
 {
     return unix_funcs->pNtUserGetKeyboardLayoutList( size, layouts );

include/ntuser.h

@@ -68,6 +68,8 @@ INT     WINAPI NtUserGetClipboardFormatName( UINT format, WCHAR *buffer, INT max
 HWND    WINAPI NtUserGetClipboardOwner(void);
 DWORD   WINAPI NtUserGetClipboardSequenceNumber(void);
 HWND    WINAPI NtUserGetClipboardViewer(void);
+LONG    WINAPI NtUserGetDisplayConfigBufferSizes( UINT32 flags, UINT32 *num_path_info,
+                                                  UINT32 *num_mode_info );
 INT     WINAPI NtUserGetKeyNameText( LONG lparam, WCHAR *buffer, INT size );
 SHORT   WINAPI NtUserGetKeyState( INT vkey );
 HKL     WINAPI NtUserGetKeyboardLayout( DWORD thread_id );