user32: Throttle device list updates from GetRawInputDeviceList.

Up to once every 2s. This fixes a regression from c2c78a2f, which caused severe FPS drop in Samurai Shodown. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51282Signed-off-by: Rémi Bernon <rbernon@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

user32: Throttle device list updates from GetRawInputDeviceList.
a80f7681 · Rémi Bernon · Alexandre Julliard · 6a30f12e · a80f7681
Commit a80f7681 authored Dec 14, 2021 by Rémi Bernon Committed by Alexandre Julliard Dec 15, 2021
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Showing with 7 additions and 2 deletions

rawinput.c dlls/user32/rawinput.c +7 -2

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--- a/dlls/user32/rawinput.c
+++ b/dlls/user32/rawinput.c
@@ -418,7 +418,8 @@ BOOL rawinput_from_hardware_message(RAWINPUT *rawinput, const struct hardware_ms
 */
 UINT WINAPI GetRawInputDeviceList(RAWINPUTDEVICELIST *devices, UINT *device_count, UINT size)
 {
-    UINT i;
+    static UINT last_check;
+    UINT i, ticks = GetTickCount();

    TRACE("devices %p, device_count %p, size %u.\n", devices, device_count, size);

@@ -434,7 +435,11 @@ UINT WINAPI GetRawInputDeviceList(RAWINPUTDEVICELIST *devices, UINT *device_coun
        return ~0U;
    }

-    rawinput_update_device_list();
+    if (ticks - last_check > 2000)
+    {
+        last_check = ticks;
+        rawinput_update_device_list();
+    }

    if (!devices)
    {