1 files changed, 77 insertions, 0 deletions

diff --git a/src/core/hid/input_converter.h b/src/core/hid/input_converter.h
new file mode 100644
index 000000000..3cc32e26a
--- /dev/null
+++ b/src/core/hid/input_converter.h
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+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#pragma once
+
+namespace Input {
+struct CallbackStatus;
+};
+
+namespace Core::HID {
+
+/**
+ * Converts raw input data into a valid battery status.
+ *
+ * @param Supported callbacks: Analog, Battery, Trigger.
+ * @return A valid BatteryStatus object.
+ */
+Input::BatteryStatus TransformToBattery(const Input::CallbackStatus& callback);
+
+/**
+ * Converts raw input data into a valid button status. Applies invert properties to the output.
+ *
+ * @param Supported callbacks: Analog, Button, Trigger.
+ * @return A valid TouchStatus object.
+ */
+Input::ButtonStatus TransformToButton(const Input::CallbackStatus& callback);
+
+/**
+ * Converts raw input data into a valid motion status.
+ *
+ * @param Supported callbacks: Motion.
+ * @return A valid TouchStatus object.
+ */
+Input::MotionStatus TransformToMotion(const Input::CallbackStatus& callback);
+
+/**
+ * Converts raw input data into a valid stick status. Applies offset, deadzone, range and invert
+ * properties to the output.
+ *
+ * @param Supported callbacks: Stick.
+ * @return A valid StickStatus object.
+ */
+Input::StickStatus TransformToStick(const Input::CallbackStatus& callback);
+
+/**
+ * Converts raw input data into a valid touch status.
+ *
+ * @param Supported callbacks: Touch.
+ * @return A valid TouchStatus object.
+ */
+Input::TouchStatus TransformToTouch(const Input::CallbackStatus& callback);
+
+/**
+ * Converts raw input data into a valid trigger status. Applies offset, deadzone, range and
+ * invert properties to the output. Button status uses the threshold property if necessary.
+ *
+ * @param Supported callbacks: Analog, Button, Trigger.
+ * @return A valid TriggerStatus object.
+ */
+Input::TriggerStatus TransformToTrigger(const Input::CallbackStatus& callback);
+
+/**
+ * Converts raw analog data into a valid analog value
+ * @param An analog object containing raw data and properties, bool that determines if the value
+ * needs to be clamped between -1.0f and 1.0f.
+ */
+void SanitizeAnalog(Input::AnalogStatus& analog, bool clamp_value);
+
+/**
+ * Converts raw stick data into a valid stick value
+ * @param Two analog objects containing raw data and properties, bool that determines if the value
+ * needs to be clamped into the unit circle.
+ */
+void SanitizeStick(Input::AnalogStatus& analog_x, Input::AnalogStatus& analog_y, bool clamp_value);
+
+} // namespace Core::HID