From d9ee7c32975bb8d840cf93a086d6b4be39d7bfd2 Mon Sep 17 00:00:00 2001 From: Narr the Reg Date: Thu, 19 Jan 2023 20:20:19 -0600 Subject: [PATCH] core: hid: Make use of SCOPE_EXIT and SCOPE_GUARD where applicable --- src/core/hid/emulated_controller.cpp | 105 ++++++++++----------------- 1 file changed, 38 insertions(+), 67 deletions(-) diff --git a/src/core/hid/emulated_controller.cpp b/src/core/hid/emulated_controller.cpp index f83abad05..0e06468da 100644 --- a/src/core/hid/emulated_controller.cpp +++ b/src/core/hid/emulated_controller.cpp @@ -2,6 +2,7 @@ // SPDX-License-Identifier: GPL-2.0-or-later #include +#include #include "common/polyfill_ranges.h" #include "common/thread.h" @@ -834,17 +835,21 @@ void EmulatedController::SetStick(const Common::Input::CallbackStatus& callback, if (index >= controller.stick_values.size()) { return; } - std::unique_lock lock{mutex}; + auto trigger_guard = + SCOPE_GUARD({ TriggerOnChange(ControllerTriggerType::Stick, !is_configuring); }); + std::scoped_lock lock{mutex}; const auto stick_value = TransformToStick(callback); // Only read stick values that have the same uuid or are over the threshold to avoid flapping if (controller.stick_values[index].uuid != uuid) { const bool is_tas = uuid == TAS_UUID; if (is_tas && stick_value.x.value == 0 && stick_value.y.value == 0) { + trigger_guard.Cancel(); return; } if (!is_tas && !stick_value.down && !stick_value.up && !stick_value.left && !stick_value.right) { + trigger_guard.Cancel(); return; } } @@ -855,8 +860,6 @@ void EmulatedController::SetStick(const Common::Input::CallbackStatus& callback, if (is_configuring) { controller.analog_stick_state.left = {}; controller.analog_stick_state.right = {}; - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Stick, false); return; } @@ -881,9 +884,6 @@ void EmulatedController::SetStick(const Common::Input::CallbackStatus& callback, controller.npad_button_state.stick_r_down.Assign(controller.stick_values[index].down); break; } - - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Stick, true); } void EmulatedController::SetTrigger(const Common::Input::CallbackStatus& callback, @@ -891,7 +891,9 @@ void EmulatedController::SetTrigger(const Common::Input::CallbackStatus& callbac if (index >= controller.trigger_values.size()) { return; } - std::unique_lock lock{mutex}; + auto trigger_guard = + SCOPE_GUARD({ TriggerOnChange(ControllerTriggerType::Trigger, !is_configuring); }); + std::scoped_lock lock{mutex}; const auto trigger_value = TransformToTrigger(callback); // Only read trigger values that have the same uuid or are pressed once @@ -907,13 +909,12 @@ void EmulatedController::SetTrigger(const Common::Input::CallbackStatus& callbac if (is_configuring) { controller.gc_trigger_state.left = 0; controller.gc_trigger_state.right = 0; - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Trigger, false); return; } // Only GC controllers have analog triggers if (npad_type != NpadStyleIndex::GameCube) { + trigger_guard.Cancel(); return; } @@ -930,9 +931,6 @@ void EmulatedController::SetTrigger(const Common::Input::CallbackStatus& callbac controller.npad_button_state.zr.Assign(trigger.pressed.value); break; } - - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Trigger, true); } void EmulatedController::SetMotion(const Common::Input::CallbackStatus& callback, @@ -940,7 +938,8 @@ void EmulatedController::SetMotion(const Common::Input::CallbackStatus& callback if (index >= controller.motion_values.size()) { return; } - std::unique_lock lock{mutex}; + SCOPE_EXIT({ TriggerOnChange(ControllerTriggerType::Motion, !is_configuring); }); + std::scoped_lock lock{mutex}; auto& raw_status = controller.motion_values[index].raw_status; auto& emulated = controller.motion_values[index].emulated; @@ -961,8 +960,6 @@ void EmulatedController::SetMotion(const Common::Input::CallbackStatus& callback force_update_motion = raw_status.force_update; if (is_configuring) { - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Motion, false); return; } @@ -972,9 +969,6 @@ void EmulatedController::SetMotion(const Common::Input::CallbackStatus& callback motion.rotation = emulated.GetRotations(); motion.orientation = emulated.GetOrientation(); motion.is_at_rest = !emulated.IsMoving(motion_sensitivity); - - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Motion, true); } void EmulatedController::SetColors(const Common::Input::CallbackStatus& callback, @@ -982,16 +976,17 @@ void EmulatedController::SetColors(const Common::Input::CallbackStatus& callback if (index >= controller.color_values.size()) { return; } - std::unique_lock lock{mutex}; + auto trigger_guard = + SCOPE_GUARD({ TriggerOnChange(ControllerTriggerType::Color, !is_configuring); }); + std::scoped_lock lock{mutex}; controller.color_values[index] = TransformToColor(callback); if (is_configuring) { - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Color, false); return; } if (controller.color_values[index].body == 0) { + trigger_guard.Cancel(); return; } @@ -1024,9 +1019,6 @@ void EmulatedController::SetColors(const Common::Input::CallbackStatus& callback break; } } - - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Color, true); } void EmulatedController::SetBattery(const Common::Input::CallbackStatus& callback, @@ -1034,12 +1026,11 @@ void EmulatedController::SetBattery(const Common::Input::CallbackStatus& callbac if (index >= controller.battery_values.size()) { return; } - std::unique_lock lock{mutex}; + SCOPE_EXIT({ TriggerOnChange(ControllerTriggerType::Battery, !is_configuring); }); + std::scoped_lock lock{mutex}; controller.battery_values[index] = TransformToBattery(callback); if (is_configuring) { - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Battery, false); return; } @@ -1095,18 +1086,14 @@ void EmulatedController::SetBattery(const Common::Input::CallbackStatus& callbac }; break; } - - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Battery, true); } void EmulatedController::SetCamera(const Common::Input::CallbackStatus& callback) { - std::unique_lock lock{mutex}; + SCOPE_EXIT({ TriggerOnChange(ControllerTriggerType::IrSensor, !is_configuring); }); + std::scoped_lock lock{mutex}; controller.camera_values = TransformToCamera(callback); if (is_configuring) { - lock.unlock(); - TriggerOnChange(ControllerTriggerType::IrSensor, false); return; } @@ -1114,36 +1101,28 @@ void EmulatedController::SetCamera(const Common::Input::CallbackStatus& callback controller.camera_state.format = static_cast(controller.camera_values.format); controller.camera_state.data = controller.camera_values.data; - - lock.unlock(); - TriggerOnChange(ControllerTriggerType::IrSensor, true); } void EmulatedController::SetRingAnalog(const Common::Input::CallbackStatus& callback) { - std::unique_lock lock{mutex}; + SCOPE_EXIT({ TriggerOnChange(ControllerTriggerType::RingController, !is_configuring); }); + std::scoped_lock lock{mutex}; const auto force_value = TransformToStick(callback); controller.ring_analog_value = force_value.x; if (is_configuring) { - lock.unlock(); - TriggerOnChange(ControllerTriggerType::RingController, false); return; } controller.ring_analog_state.force = force_value.x.value; - - lock.unlock(); - TriggerOnChange(ControllerTriggerType::RingController, true); } void EmulatedController::SetNfc(const Common::Input::CallbackStatus& callback) { - std::unique_lock lock{mutex}; + SCOPE_EXIT({ TriggerOnChange(ControllerTriggerType::Nfc, !is_configuring); }); + std::scoped_lock lock{mutex}; controller.nfc_values = TransformToNfc(callback); if (is_configuring) { - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Nfc, false); return; } @@ -1151,9 +1130,6 @@ void EmulatedController::SetNfc(const Common::Input::CallbackStatus& callback) { controller.nfc_values.state, controller.nfc_values.data, }; - - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Nfc, true); } bool EmulatedController::SetVibration(std::size_t device_index, VibrationValue vibration) { @@ -1412,39 +1388,35 @@ void EmulatedController::Connect(bool use_temporary_value) { return; } - std::unique_lock lock{mutex}; + auto trigger_guard = + SCOPE_GUARD({ TriggerOnChange(ControllerTriggerType::Connected, !is_configuring); }); + std::scoped_lock lock{mutex}; if (is_configuring) { tmp_is_connected = true; - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Connected, false); return; } if (is_connected) { + trigger_guard.Cancel(); return; } is_connected = true; - - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Connected, true); } void EmulatedController::Disconnect() { - std::unique_lock lock{mutex}; + auto trigger_guard = + SCOPE_GUARD({ TriggerOnChange(ControllerTriggerType::Disconnected, !is_configuring); }); + std::scoped_lock lock{mutex}; if (is_configuring) { tmp_is_connected = false; - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Disconnected, false); return; } if (!is_connected) { + trigger_guard.Cancel(); return; } is_connected = false; - - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Disconnected, true); } bool EmulatedController::IsConnected(bool get_temporary_value) const { @@ -1469,19 +1441,21 @@ NpadStyleIndex EmulatedController::GetNpadStyleIndex(bool get_temporary_value) c } void EmulatedController::SetNpadStyleIndex(NpadStyleIndex npad_type_) { - std::unique_lock lock{mutex}; + auto trigger_guard = + SCOPE_GUARD({ TriggerOnChange(ControllerTriggerType::Type, !is_configuring); }); + std::scoped_lock lock{mutex}; if (is_configuring) { if (tmp_npad_type == npad_type_) { + trigger_guard.Cancel(); return; } tmp_npad_type = npad_type_; - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Type, false); return; } if (npad_type == npad_type_) { + trigger_guard.Cancel(); return; } if (is_connected) { @@ -1489,9 +1463,6 @@ void EmulatedController::SetNpadStyleIndex(NpadStyleIndex npad_type_) { NpadIdTypeToIndex(npad_id_type)); } npad_type = npad_type_; - - lock.unlock(); - TriggerOnChange(ControllerTriggerType::Type, true); } LedPattern EmulatedController::GetLedPattern() const { @@ -1589,7 +1560,7 @@ DebugPadButton EmulatedController::GetDebugPadButtons() const { } AnalogSticks EmulatedController::GetSticks() const { - std::unique_lock lock{mutex}; + std::scoped_lock lock{mutex}; if (is_configuring) { return {};