From e05d2a70b24e550d67fcdd24aae7094ad41745f8 Mon Sep 17 00:00:00 2001 From: Lioncash Date: Mon, 13 Dec 2021 21:09:28 -0500 Subject: common/input: Avoid numerous large copies of CallbackStatus CallbackStatus instances aren't the cheapest things to copy around (relative to everything else), given that they're currently 520 bytes in size and are currently copied numerous times when callbacks are invoked. Instead, we can pass the status by const reference to avoid all the copying. --- src/input_common/helpers/stick_from_buttons.cpp | 75 +++++++++++++++---------- src/input_common/helpers/touch_from_buttons.cpp | 11 ++-- 2 files changed, 51 insertions(+), 35 deletions(-) (limited to 'src/input_common/helpers') diff --git a/src/input_common/helpers/stick_from_buttons.cpp b/src/input_common/helpers/stick_from_buttons.cpp index 77fcd655e..e23394f5f 100644 --- a/src/input_common/helpers/stick_from_buttons.cpp +++ b/src/input_common/helpers/stick_from_buttons.cpp @@ -19,23 +19,36 @@ public: : up(std::move(up_)), down(std::move(down_)), left(std::move(left_)), right(std::move(right_)), modifier(std::move(modifier_)), modifier_scale(modifier_scale_), modifier_angle(modifier_angle_) { - Common::Input::InputCallback button_up_callback{ - [this](Common::Input::CallbackStatus callback_) { UpdateUpButtonStatus(callback_); }}; - Common::Input::InputCallback button_down_callback{ - [this](Common::Input::CallbackStatus callback_) { UpdateDownButtonStatus(callback_); }}; - Common::Input::InputCallback button_left_callback{ - [this](Common::Input::CallbackStatus callback_) { UpdateLeftButtonStatus(callback_); }}; - Common::Input::InputCallback button_right_callback{ - [this](Common::Input::CallbackStatus callback_) { - UpdateRightButtonStatus(callback_); - }}; - Common::Input::InputCallback button_modifier_callback{ - [this](Common::Input::CallbackStatus callback_) { UpdateModButtonStatus(callback_); }}; - up->SetCallback(button_up_callback); - down->SetCallback(button_down_callback); - left->SetCallback(button_left_callback); - right->SetCallback(button_right_callback); - modifier->SetCallback(button_modifier_callback); + up->SetCallback({ + .on_change = + [this](const Common::Input::CallbackStatus& callback_) { + UpdateUpButtonStatus(callback_); + }, + }); + down->SetCallback({ + .on_change = + [this](const Common::Input::CallbackStatus& callback_) { + UpdateDownButtonStatus(callback_); + }, + }); + left->SetCallback({ + .on_change = + [this](const Common::Input::CallbackStatus& callback_) { + UpdateLeftButtonStatus(callback_); + }, + }); + right->SetCallback({ + .on_change = + [this](const Common::Input::CallbackStatus& callback_) { + UpdateRightButtonStatus(callback_); + }, + }); + modifier->SetCallback({ + .on_change = + [this](const Common::Input::CallbackStatus& callback_) { + UpdateModButtonStatus(callback_); + }, + }); last_x_axis_value = 0.0f; last_y_axis_value = 0.0f; } @@ -133,27 +146,27 @@ public: } } - void UpdateUpButtonStatus(Common::Input::CallbackStatus button_callback) { + void UpdateUpButtonStatus(const Common::Input::CallbackStatus& button_callback) { up_status = button_callback.button_status.value; UpdateStatus(); } - void UpdateDownButtonStatus(Common::Input::CallbackStatus button_callback) { + void UpdateDownButtonStatus(const Common::Input::CallbackStatus& button_callback) { down_status = button_callback.button_status.value; UpdateStatus(); } - void UpdateLeftButtonStatus(Common::Input::CallbackStatus button_callback) { + void UpdateLeftButtonStatus(const Common::Input::CallbackStatus& button_callback) { left_status = button_callback.button_status.value; UpdateStatus(); } - void UpdateRightButtonStatus(Common::Input::CallbackStatus button_callback) { + void UpdateRightButtonStatus(const Common::Input::CallbackStatus& button_callback) { right_status = button_callback.button_status.value; UpdateStatus(); } - void UpdateModButtonStatus(Common::Input::CallbackStatus button_callback) { + void UpdateModButtonStatus(const Common::Input::CallbackStatus& button_callback) { modifier_status = button_callback.button_status.value; UpdateStatus(); } @@ -265,18 +278,18 @@ private: Button left; Button right; Button modifier; - float modifier_scale; - float modifier_angle; + float modifier_scale{}; + float modifier_angle{}; float angle{}; float goal_angle{}; float amplitude{}; - bool up_status; - bool down_status; - bool left_status; - bool right_status; - bool modifier_status; - float last_x_axis_value; - float last_y_axis_value; + bool up_status{}; + bool down_status{}; + bool left_status{}; + bool right_status{}; + bool modifier_status{}; + float last_x_axis_value{}; + float last_y_axis_value{}; const Common::Input::AnalogProperties properties{0.0f, 1.0f, 0.5f, 0.0f, false}; std::chrono::time_point last_update; }; diff --git a/src/input_common/helpers/touch_from_buttons.cpp b/src/input_common/helpers/touch_from_buttons.cpp index 35d60bc90..ece1e3b32 100644 --- a/src/input_common/helpers/touch_from_buttons.cpp +++ b/src/input_common/helpers/touch_from_buttons.cpp @@ -14,10 +14,13 @@ public: using Button = std::unique_ptr; TouchFromButtonDevice(Button button_, int touch_id_, float x_, float y_) : button(std::move(button_)), touch_id(touch_id_), x(x_), y(y_) { - Common::Input::InputCallback button_up_callback{ - [this](Common::Input::CallbackStatus callback_) { UpdateButtonStatus(callback_); }}; last_button_value = false; - button->SetCallback(button_up_callback); + button->SetCallback({ + .on_change = + [this](const Common::Input::CallbackStatus& callback_) { + UpdateButtonStatus(callback_); + }, + }); button->ForceUpdate(); } @@ -47,7 +50,7 @@ public: return status; } - void UpdateButtonStatus(Common::Input::CallbackStatus button_callback) { + void UpdateButtonStatus(const Common::Input::CallbackStatus& button_callback) { const Common::Input::CallbackStatus status{ .type = Common::Input::InputType::Touch, .touch_status = GetStatus(button_callback.button_status.value), -- cgit v1.2.3