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godotengine
GitHub Repository: godotengine/godot
 Path: blob/master/thirdparty/sdl/sensor/SDL_sensor_c.h
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/*

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  Simple DirectMedia Layer

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  Copyright (C) 1997-2025 Sam Lantinga <[email protected]>

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  This software is provided 'as-is', without any express or implied

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  warranty.  In no event will the authors be held liable for any damages

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  arising from the use of this software.

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  Permission is granted to anyone to use this software for any purpose,

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  including commercial applications, and to alter it and redistribute it

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  freely, subject to the following restrictions:

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  1. The origin of this software must not be misrepresented; you must not

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     claim that you wrote the original software. If you use this software

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     in a product, an acknowledgment in the product documentation would be

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     appreciated but is not required.

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  2. Altered source versions must be plainly marked as such, and must not be

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     misrepresented as being the original software.

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  3. This notice may not be removed or altered from any source distribution.

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*/

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#include "SDL_internal.h"

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#ifndef SDL_sensor_c_h_

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#define SDL_sensor_c_h_

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#ifdef SDL_THREAD_SAFETY_ANALYSIS

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extern SDL_Mutex *SDL_sensor_lock;

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#endif

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struct SDL_SensorDriver;

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// Useful functions and variables from SDL_sensor.c

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// Initialization and shutdown functions

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extern bool SDL_InitSensors(void);

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extern void SDL_QuitSensors(void);

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// Return whether the sensor system is currently initialized

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extern bool SDL_SensorsInitialized(void);

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// Return whether the sensors are currently locked

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extern bool SDL_SensorsLocked(void);

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// Make sure we currently have the sensors locked

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extern void SDL_AssertSensorsLocked(void) SDL_ASSERT_CAPABILITY(SDL_sensor_lock);

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extern void SDL_LockSensors(void) SDL_ACQUIRE(SDL_sensor_lock);

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extern void SDL_UnlockSensors(void) SDL_RELEASE(SDL_sensor_lock);

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// Function to return whether there are any sensors opened by the application

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extern bool SDL_SensorsOpened(void);

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// Update an individual sensor, used by gamepad sensor fusion

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extern void SDL_UpdateSensor(SDL_Sensor *sensor);

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// Internal event queueing functions

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extern void SDL_SendSensorUpdate(Uint64 timestamp, SDL_Sensor *sensor, Uint64 sensor_timestamp, float *data, int num_values);

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#endif // SDL_sensor_c_h_

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