From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Fri, 6 Mar 2026 13:30:59 -0800 Subject: Move contrib libraries to contrib repo --- contrib/SDL-3.2.8/src/sensor/SDL_sensor.c | 622 ------------------------------ 1 file changed, 622 deletions(-) delete mode 100644 contrib/SDL-3.2.8/src/sensor/SDL_sensor.c (limited to 'contrib/SDL-3.2.8/src/sensor/SDL_sensor.c') diff --git a/contrib/SDL-3.2.8/src/sensor/SDL_sensor.c b/contrib/SDL-3.2.8/src/sensor/SDL_sensor.c deleted file mode 100644 index 60e829a..0000000 --- a/contrib/SDL-3.2.8/src/sensor/SDL_sensor.c +++ /dev/null @@ -1,622 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2025 Sam Lantinga - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ -#include "SDL_internal.h" - -// This is the sensor API for Simple DirectMedia Layer - -#include "SDL_syssensor.h" - -#include "../events/SDL_events_c.h" -#include "../joystick/SDL_gamepad_c.h" - -static SDL_SensorDriver *SDL_sensor_drivers[] = { -#ifdef SDL_SENSOR_ANDROID - &SDL_ANDROID_SensorDriver, -#endif -#ifdef SDL_SENSOR_COREMOTION - &SDL_COREMOTION_SensorDriver, -#endif -#ifdef SDL_SENSOR_WINDOWS - &SDL_WINDOWS_SensorDriver, -#endif -#ifdef SDL_SENSOR_VITA - &SDL_VITA_SensorDriver, -#endif -#ifdef SDL_SENSOR_N3DS - &SDL_N3DS_SensorDriver, -#endif -#if defined(SDL_SENSOR_DUMMY) || defined(SDL_SENSOR_DISABLED) - &SDL_DUMMY_SensorDriver -#endif -}; - -#ifndef SDL_THREAD_SAFETY_ANALYSIS -static -#endif -SDL_Mutex *SDL_sensor_lock = NULL; // This needs to support recursive locks -static SDL_AtomicInt SDL_sensor_lock_pending; -static int SDL_sensors_locked; -static bool SDL_sensors_initialized; -static SDL_Sensor *SDL_sensors SDL_GUARDED_BY(SDL_sensor_lock) = NULL; - -#define CHECK_SENSOR_MAGIC(sensor, result) \ - if (!SDL_ObjectValid(sensor, SDL_OBJECT_TYPE_SENSOR)) { \ - SDL_InvalidParamError("sensor"); \ - SDL_UnlockSensors(); \ - return result; \ - } - -bool SDL_SensorsInitialized(void) -{ - return SDL_sensors_initialized; -} - -void SDL_LockSensors(void) -{ - (void)SDL_AtomicIncRef(&SDL_sensor_lock_pending); - SDL_LockMutex(SDL_sensor_lock); - (void)SDL_AtomicDecRef(&SDL_sensor_lock_pending); - - ++SDL_sensors_locked; -} - -void SDL_UnlockSensors(void) -{ - bool last_unlock = false; - - --SDL_sensors_locked; - - if (!SDL_sensors_initialized) { - // NOTE: There's a small window here where another thread could lock the mutex after we've checked for pending locks - if (!SDL_sensors_locked && SDL_GetAtomicInt(&SDL_sensor_lock_pending) == 0) { - last_unlock = true; - } - } - - /* The last unlock after sensors are uninitialized will cleanup the mutex, - * allowing applications to lock sensors while reinitializing the system. - */ - if (last_unlock) { - SDL_Mutex *sensor_lock = SDL_sensor_lock; - - SDL_LockMutex(sensor_lock); - { - SDL_UnlockMutex(SDL_sensor_lock); - - SDL_sensor_lock = NULL; - } - SDL_UnlockMutex(sensor_lock); - SDL_DestroyMutex(sensor_lock); - } else { - SDL_UnlockMutex(SDL_sensor_lock); - } -} - -bool SDL_SensorsLocked(void) -{ - return (SDL_sensors_locked > 0); -} - -void SDL_AssertSensorsLocked(void) -{ - SDL_assert(SDL_SensorsLocked()); -} - -bool SDL_InitSensors(void) -{ - int i; - bool status; - - // Create the sensor list lock - if (SDL_sensor_lock == NULL) { - SDL_sensor_lock = SDL_CreateMutex(); - } - - if (!SDL_InitSubSystem(SDL_INIT_EVENTS)) { - return false; - } - - SDL_LockSensors(); - - SDL_sensors_initialized = true; - - status = false; - for (i = 0; i < SDL_arraysize(SDL_sensor_drivers); ++i) { - if (SDL_sensor_drivers[i]->Init()) { - status = true; - } - } - - SDL_UnlockSensors(); - - if (!status) { - SDL_QuitSensors(); - } - - return status; -} - -bool SDL_SensorsOpened(void) -{ - bool opened; - - SDL_LockSensors(); - { - if (SDL_sensors != NULL) { - opened = true; - } else { - opened = false; - } - } - SDL_UnlockSensors(); - - return opened; -} - -SDL_SensorID *SDL_GetSensors(int *count) -{ - int i, num_sensors, device_index; - int sensor_index = 0, total_sensors = 0; - SDL_SensorID *sensors; - - SDL_LockSensors(); - { - for (i = 0; i < SDL_arraysize(SDL_sensor_drivers); ++i) { - total_sensors += SDL_sensor_drivers[i]->GetCount(); - } - - sensors = (SDL_SensorID *)SDL_malloc((total_sensors + 1) * sizeof(*sensors)); - if (sensors) { - if (count) { - *count = total_sensors; - } - - for (i = 0; i < SDL_arraysize(SDL_sensor_drivers); ++i) { - num_sensors = SDL_sensor_drivers[i]->GetCount(); - for (device_index = 0; device_index < num_sensors; ++device_index) { - SDL_assert(sensor_index < total_sensors); - sensors[sensor_index] = SDL_sensor_drivers[i]->GetDeviceInstanceID(device_index); - SDL_assert(sensors[sensor_index] > 0); - ++sensor_index; - } - } - SDL_assert(sensor_index == total_sensors); - sensors[sensor_index] = 0; - } else { - if (count) { - *count = 0; - } - } - } - SDL_UnlockSensors(); - - return sensors; -} - -/* - * Get the driver and device index for a sensor instance ID - * This should be called while the sensor lock is held, to prevent another thread from updating the list - */ -static bool SDL_GetDriverAndSensorIndex(SDL_SensorID instance_id, SDL_SensorDriver **driver, int *driver_index) -{ - int i, num_sensors, device_index; - - if (instance_id > 0) { - for (i = 0; i < SDL_arraysize(SDL_sensor_drivers); ++i) { - num_sensors = SDL_sensor_drivers[i]->GetCount(); - for (device_index = 0; device_index < num_sensors; ++device_index) { - SDL_SensorID sensor_id = SDL_sensor_drivers[i]->GetDeviceInstanceID(device_index); - if (sensor_id == instance_id) { - *driver = SDL_sensor_drivers[i]; - *driver_index = device_index; - return true; - } - } - } - } - SDL_SetError("Sensor %" SDL_PRIu32 " not found", instance_id); - return false; -} - -/* - * Get the implementation dependent name of a sensor - */ -const char *SDL_GetSensorNameForID(SDL_SensorID instance_id) -{ - SDL_SensorDriver *driver; - int device_index; - const char *name = NULL; - - SDL_LockSensors(); - if (SDL_GetDriverAndSensorIndex(instance_id, &driver, &device_index)) { - name = SDL_GetPersistentString(driver->GetDeviceName(device_index)); - } - SDL_UnlockSensors(); - - return name; -} - -SDL_SensorType SDL_GetSensorTypeForID(SDL_SensorID instance_id) -{ - SDL_SensorDriver *driver; - int device_index; - SDL_SensorType type = SDL_SENSOR_INVALID; - - SDL_LockSensors(); - if (SDL_GetDriverAndSensorIndex(instance_id, &driver, &device_index)) { - type = driver->GetDeviceType(device_index); - } - SDL_UnlockSensors(); - - return type; -} - -int SDL_GetSensorNonPortableTypeForID(SDL_SensorID instance_id) -{ - SDL_SensorDriver *driver; - int device_index; - int type = -1; - - SDL_LockSensors(); - if (SDL_GetDriverAndSensorIndex(instance_id, &driver, &device_index)) { - type = driver->GetDeviceNonPortableType(device_index); - } - SDL_UnlockSensors(); - - return type; -} - -/* - * Open a sensor for use - the index passed as an argument refers to - * the N'th sensor on the system. This index is the value which will - * identify this sensor in future sensor events. - * - * This function returns a sensor identifier, or NULL if an error occurred. - */ -SDL_Sensor *SDL_OpenSensor(SDL_SensorID instance_id) -{ - SDL_SensorDriver *driver; - int device_index; - SDL_Sensor *sensor; - SDL_Sensor *sensorlist; - const char *sensorname = NULL; - - SDL_LockSensors(); - - if (!SDL_GetDriverAndSensorIndex(instance_id, &driver, &device_index)) { - SDL_UnlockSensors(); - return NULL; - } - - sensorlist = SDL_sensors; - /* If the sensor is already open, return it - * it is important that we have a single sensor * for each instance id - */ - while (sensorlist) { - if (instance_id == sensorlist->instance_id) { - sensor = sensorlist; - ++sensor->ref_count; - SDL_UnlockSensors(); - return sensor; - } - sensorlist = sensorlist->next; - } - - // Create and initialize the sensor - sensor = (SDL_Sensor *)SDL_calloc(1, sizeof(*sensor)); - if (!sensor) { - SDL_UnlockSensors(); - return NULL; - } - SDL_SetObjectValid(sensor, SDL_OBJECT_TYPE_SENSOR, true); - sensor->driver = driver; - sensor->instance_id = instance_id; - sensor->type = driver->GetDeviceType(device_index); - sensor->non_portable_type = driver->GetDeviceNonPortableType(device_index); - - if (!driver->Open(sensor, device_index)) { - SDL_SetObjectValid(sensor, SDL_OBJECT_TYPE_SENSOR, false); - SDL_free(sensor); - SDL_UnlockSensors(); - return NULL; - } - - sensorname = driver->GetDeviceName(device_index); - if (sensorname) { - sensor->name = SDL_strdup(sensorname); - } else { - sensor->name = NULL; - } - - // Add sensor to list - ++sensor->ref_count; - // Link the sensor in the list - sensor->next = SDL_sensors; - SDL_sensors = sensor; - - driver->Update(sensor); - - SDL_UnlockSensors(); - - return sensor; -} - -/* - * Find the SDL_Sensor that owns this instance id - */ -SDL_Sensor *SDL_GetSensorFromID(SDL_SensorID instance_id) -{ - SDL_Sensor *sensor; - - SDL_LockSensors(); - for (sensor = SDL_sensors; sensor; sensor = sensor->next) { - if (sensor->instance_id == instance_id) { - break; - } - } - SDL_UnlockSensors(); - return sensor; -} - -/* - * Get the properties associated with a sensor. - */ -SDL_PropertiesID SDL_GetSensorProperties(SDL_Sensor *sensor) -{ - SDL_PropertiesID result; - - SDL_LockSensors(); - { - CHECK_SENSOR_MAGIC(sensor, 0); - - if (sensor->props == 0) { - sensor->props = SDL_CreateProperties(); - } - result = sensor->props; - } - SDL_UnlockSensors(); - - return result; -} - -/* - * Get the friendly name of this sensor - */ -const char *SDL_GetSensorName(SDL_Sensor *sensor) -{ - const char *result; - - SDL_LockSensors(); - { - CHECK_SENSOR_MAGIC(sensor, NULL); - - result = SDL_GetPersistentString(sensor->name); - } - SDL_UnlockSensors(); - - return result; -} - -/* - * Get the type of this sensor - */ -SDL_SensorType SDL_GetSensorType(SDL_Sensor *sensor) -{ - SDL_SensorType result; - - SDL_LockSensors(); - { - CHECK_SENSOR_MAGIC(sensor, SDL_SENSOR_INVALID); - - result = sensor->type; - } - SDL_UnlockSensors(); - - return result; -} - -/* - * Get the platform dependent type of this sensor - */ -int SDL_GetSensorNonPortableType(SDL_Sensor *sensor) -{ - int result; - - SDL_LockSensors(); - { - CHECK_SENSOR_MAGIC(sensor, -1); - - result = sensor->non_portable_type; - } - SDL_UnlockSensors(); - - return result; -} - -/* - * Get the instance id for this opened sensor - */ -SDL_SensorID SDL_GetSensorID(SDL_Sensor *sensor) -{ - SDL_SensorID result; - - SDL_LockSensors(); - { - CHECK_SENSOR_MAGIC(sensor, 0); - - result = sensor->instance_id; - } - SDL_UnlockSensors(); - - return result; -} - -/* - * Get the current state of this sensor - */ -bool SDL_GetSensorData(SDL_Sensor *sensor, float *data, int num_values) -{ - SDL_LockSensors(); - { - CHECK_SENSOR_MAGIC(sensor, false); - - num_values = SDL_min(num_values, SDL_arraysize(sensor->data)); - SDL_memcpy(data, sensor->data, num_values * sizeof(*data)); - } - SDL_UnlockSensors(); - - return true; -} - -/* - * Close a sensor previously opened with SDL_OpenSensor() - */ -void SDL_CloseSensor(SDL_Sensor *sensor) -{ - SDL_Sensor *sensorlist; - SDL_Sensor *sensorlistprev; - - SDL_LockSensors(); - { - CHECK_SENSOR_MAGIC(sensor,); - - // First decrement ref count - if (--sensor->ref_count > 0) { - SDL_UnlockSensors(); - return; - } - - SDL_DestroyProperties(sensor->props); - - sensor->driver->Close(sensor); - sensor->hwdata = NULL; - SDL_SetObjectValid(sensor, SDL_OBJECT_TYPE_SENSOR, false); - - sensorlist = SDL_sensors; - sensorlistprev = NULL; - while (sensorlist) { - if (sensor == sensorlist) { - if (sensorlistprev) { - // unlink this entry - sensorlistprev->next = sensorlist->next; - } else { - SDL_sensors = sensor->next; - } - break; - } - sensorlistprev = sensorlist; - sensorlist = sensorlist->next; - } - - // Free the data associated with this sensor - SDL_free(sensor->name); - SDL_free(sensor); - } - SDL_UnlockSensors(); -} - -void SDL_QuitSensors(void) -{ - int i; - - SDL_LockSensors(); - - // Stop the event polling - while (SDL_sensors) { - SDL_sensors->ref_count = 1; - SDL_CloseSensor(SDL_sensors); - } - - // Quit the sensor setup - for (i = 0; i < SDL_arraysize(SDL_sensor_drivers); ++i) { - SDL_sensor_drivers[i]->Quit(); - } - - SDL_QuitSubSystem(SDL_INIT_EVENTS); - - SDL_sensors_initialized = false; - - SDL_UnlockSensors(); -} - -// These are global for SDL_syssensor.c and SDL_events.c - -void SDL_SendSensorUpdate(Uint64 timestamp, SDL_Sensor *sensor, Uint64 sensor_timestamp, float *data, int num_values) -{ - SDL_AssertSensorsLocked(); - - // Allow duplicate events, for things like steps and heartbeats - - // Update internal sensor state - num_values = SDL_min(num_values, SDL_arraysize(sensor->data)); - SDL_memcpy(sensor->data, data, num_values * sizeof(*data)); - - // Post the event, if desired - if (SDL_EventEnabled(SDL_EVENT_SENSOR_UPDATE)) { - SDL_Event event; - event.type = SDL_EVENT_SENSOR_UPDATE; - event.common.timestamp = timestamp; - event.sensor.which = sensor->instance_id; - num_values = SDL_min(num_values, SDL_arraysize(event.sensor.data)); - SDL_memset(event.sensor.data, 0, sizeof(event.sensor.data)); - SDL_memcpy(event.sensor.data, data, num_values * sizeof(*data)); - event.sensor.sensor_timestamp = sensor_timestamp; - SDL_PushEvent(&event); - } - - SDL_GamepadSensorWatcher(timestamp, sensor->instance_id, sensor_timestamp, data, num_values); -} - -void SDL_UpdateSensor(SDL_Sensor *sensor) -{ - SDL_LockSensors(); - { - CHECK_SENSOR_MAGIC(sensor,); - - sensor->driver->Update(sensor); - } - SDL_UnlockSensors(); -} - -void SDL_UpdateSensors(void) -{ - int i; - SDL_Sensor *sensor; - - if (!SDL_WasInit(SDL_INIT_SENSOR)) { - return; - } - - SDL_LockSensors(); - - for (sensor = SDL_sensors; sensor; sensor = sensor->next) { - sensor->driver->Update(sensor); - } - - /* this needs to happen AFTER walking the sensor list above, so that any - dangling hardware data from removed devices can be free'd - */ - for (i = 0; i < SDL_arraysize(SDL_sensor_drivers); ++i) { - SDL_sensor_drivers[i]->Detect(); - } - - SDL_UnlockSensors(); -} -- cgit v1.2.3