[input_common/mouse, sdl_driver] increase latency of mouse and SDL_vibration threads to 4 "evals" per sec (#2982)

No need to have those nano-sleeps for these threads...

Signed-off-by: lizzie lizzie@eden-emu.dev

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2982
Reviewed-by: Caio Oliveira <caiooliveirafarias0@gmail.com>
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

src/input_common/drivers/mouse.cpp

@@ -14,7 +14,7 @@
 #include "input_common/drivers/mouse.h"
 
 namespace InputCommon {
-constexpr int update_time = 10;
+constexpr int update_time = 250; // 4 TPS
 constexpr float default_panning_sensitivity = 0.0010f;
 constexpr float default_stick_sensitivity = 0.0006f;
 constexpr float default_deadzone_counterweight = 0.01f;
@@ -73,18 +73,14 @@ Mouse::Mouse(std::string input_engine_) : InputEngine(std::move(input_engine_))
     last_mouse_change = {};
     last_motion_change = {};
 
-    update_thread = std::jthread([this](std::stop_token stop_token) { UpdateThread(stop_token); });
-}
-
-void Mouse::UpdateThread(std::stop_token stop_token) {
-    Common::SetCurrentThreadName("Mouse");
-
-    while (!stop_token.stop_requested()) {
-        UpdateStickInput();
-        UpdateMotionInput();
-
-        std::this_thread::sleep_for(std::chrono::milliseconds(update_time));
-    }
+    update_thread = std::jthread([this](std::stop_token stop_token) {
+        Common::SetCurrentThreadName("Mouse");
+        while (!stop_token.stop_requested()) {
+            UpdateStickInput();
+            UpdateMotionInput();
+            std::this_thread::sleep_for(std::chrono::milliseconds(update_time));
+        }
+    });
 }
 
 void Mouse::UpdateStickInput() {

src/input_common/drivers/mouse.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -95,10 +98,8 @@ public:
     Common::Input::ButtonNames GetUIName(const Common::ParamPackage& params) const override;
 
 private:
-    void UpdateThread(std::stop_token stop_token);
     void UpdateStickInput();
     void UpdateMotionInput();
-
     bool IsMousePanningEnabled();
 
     Common::Input::ButtonNames GetUIButtonName(const Common::ParamPackage& params) const;

src/input_common/drivers/sdl_driver.cpp

@@ -548,7 +548,7 @@ SDLDriver::SDLDriver(std::string input_engine_) : InputEngine(std::move(input_en
             using namespace std::chrono_literals;
             while (initialized) {
                 SendVibrations();
-                std::this_thread::sleep_for(10ms);
+                std::this_thread::sleep_for(250ms); // 4 TPS
             }
         });
     }