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hydrogendeuteride
2025-10-10 22:53:54 +09:00
commit 8853429937
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540
third_party/SDL/src/sensor/SDL_sensor.c vendored Normal file
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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.h"
#include "SDL_atomic.h"
#include "SDL_events.h"
#include "SDL_syssensor.h"
#if !SDL_EVENTS_DISABLED
#include "../events/SDL_events_c.h"
#endif
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
};
static SDL_mutex *SDL_sensor_lock = NULL; /* This needs to support recursive locks */
static SDL_Sensor *SDL_sensors SDL_GUARDED_BY(SDL_sensor_lock) = NULL;
static SDL_atomic_t SDL_next_sensor_instance_id SDL_GUARDED_BY(SDL_sensor_lock);
static SDL_bool SDL_updating_sensor SDL_GUARDED_BY(SDL_sensor_lock) = SDL_FALSE;
void SDL_LockSensors(void) SDL_ACQUIRE(SDL_sensor_lock)
{
SDL_LockMutex(SDL_sensor_lock);
}
void SDL_UnlockSensors(void) SDL_RELEASE(SDL_sensor_lock)
{
SDL_UnlockMutex(SDL_sensor_lock);
}
int SDL_SensorInit(void)
{
int i, status;
/* Create the sensor list lock */
if (SDL_sensor_lock == NULL) {
SDL_sensor_lock = SDL_CreateMutex();
}
#if !SDL_EVENTS_DISABLED
if (SDL_InitSubSystem(SDL_INIT_EVENTS) < 0) {
return -1;
}
#endif /* !SDL_EVENTS_DISABLED */
status = -1;
for (i = 0; i < SDL_arraysize(SDL_sensor_drivers); ++i) {
if (SDL_sensor_drivers[i]->Init() >= 0) {
status = 0;
}
}
return status;
}
/*
* Count the number of sensors attached to the system
*/
int SDL_NumSensors(void)
{
int i, total_sensors = 0;
SDL_LockSensors();
for (i = 0; i < SDL_arraysize(SDL_sensor_drivers); ++i) {
total_sensors += SDL_sensor_drivers[i]->GetCount();
}
SDL_UnlockSensors();
return total_sensors;
}
/*
* Return the next available sensor instance ID
* This may be called by drivers from multiple threads, unprotected by any locks
*/
SDL_SensorID SDL_GetNextSensorInstanceID()
{
return SDL_AtomicIncRef(&SDL_next_sensor_instance_id);
}
/*
* Get the driver and device index for an API device index
* This should be called while the sensor lock is held, to prevent another thread from updating the list
*/
static SDL_bool SDL_GetDriverAndSensorIndex(int device_index, SDL_SensorDriver **driver, int *driver_index)
{
int i, num_sensors, total_sensors = 0;
if (device_index >= 0) {
for (i = 0; i < SDL_arraysize(SDL_sensor_drivers); ++i) {
num_sensors = SDL_sensor_drivers[i]->GetCount();
if (device_index < num_sensors) {
*driver = SDL_sensor_drivers[i];
*driver_index = device_index;
return SDL_TRUE;
}
device_index -= num_sensors;
total_sensors += num_sensors;
}
}
SDL_SetError("There are %d sensors available", total_sensors);
return SDL_FALSE;
}
/*
* Get the implementation dependent name of a sensor
*/
const char *SDL_SensorGetDeviceName(int device_index)
{
SDL_SensorDriver *driver;
const char *name = NULL;
SDL_LockSensors();
if (SDL_GetDriverAndSensorIndex(device_index, &driver, &device_index)) {
name = driver->GetDeviceName(device_index);
}
SDL_UnlockSensors();
/* FIXME: Really we should reference count this name so it doesn't go away after unlock */
return name;
}
SDL_SensorType SDL_SensorGetDeviceType(int device_index)
{
SDL_SensorDriver *driver;
SDL_SensorType type = SDL_SENSOR_INVALID;
SDL_LockSensors();
if (SDL_GetDriverAndSensorIndex(device_index, &driver, &device_index)) {
type = driver->GetDeviceType(device_index);
}
SDL_UnlockSensors();
return type;
}
int SDL_SensorGetDeviceNonPortableType(int device_index)
{
SDL_SensorDriver *driver;
int type = -1;
SDL_LockSensors();
if (SDL_GetDriverAndSensorIndex(device_index, &driver, &device_index)) {
type = driver->GetDeviceNonPortableType(device_index);
}
SDL_UnlockSensors();
return type;
}
SDL_SensorID SDL_SensorGetDeviceInstanceID(int device_index)
{
SDL_SensorDriver *driver;
SDL_SensorID instance_id = -1;
SDL_LockSensors();
if (SDL_GetDriverAndSensorIndex(device_index, &driver, &device_index)) {
instance_id = driver->GetDeviceInstanceID(device_index);
}
SDL_UnlockSensors();
return instance_id;
}
/*
* 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_SensorOpen(int device_index)
{
SDL_SensorDriver *driver;
SDL_SensorID instance_id;
SDL_Sensor *sensor;
SDL_Sensor *sensorlist;
const char *sensorname = NULL;
SDL_LockSensors();
if (!SDL_GetDriverAndSensorIndex(device_index, &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
*/
instance_id = driver->GetDeviceInstanceID(device_index);
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(sizeof(*sensor), 1);
if (sensor == NULL) {
SDL_OutOfMemory();
SDL_UnlockSensors();
return NULL;
}
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) < 0) {
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;
SDL_UnlockSensors();
driver->Update(sensor);
return sensor;
}
/*
* Find the SDL_Sensor that owns this instance id
*/
SDL_Sensor *SDL_SensorFromInstanceID(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;
}
/*
* Checks to make sure the sensor is valid.
*/
static int SDL_PrivateSensorValid(SDL_Sensor *sensor)
{
int valid;
if (sensor == NULL) {
SDL_SetError("Sensor hasn't been opened yet");
valid = 0;
} else {
valid = 1;
}
return valid;
}
/*
* Get the friendly name of this sensor
*/
const char *SDL_SensorGetName(SDL_Sensor *sensor)
{
if (!SDL_PrivateSensorValid(sensor)) {
return NULL;
}
return sensor->name;
}
/*
* Get the type of this sensor
*/
SDL_SensorType SDL_SensorGetType(SDL_Sensor *sensor)
{
if (!SDL_PrivateSensorValid(sensor)) {
return SDL_SENSOR_INVALID;
}
return sensor->type;
}
/*
* Get the platform dependent type of this sensor
*/
int SDL_SensorGetNonPortableType(SDL_Sensor *sensor)
{
if (!SDL_PrivateSensorValid(sensor)) {
return -1;
}
return sensor->non_portable_type;
}
/*
* Get the instance id for this opened sensor
*/
SDL_SensorID SDL_SensorGetInstanceID(SDL_Sensor *sensor)
{
if (!SDL_PrivateSensorValid(sensor)) {
return -1;
}
return sensor->instance_id;
}
/*
* Get the current state of this sensor
*/
int SDL_SensorGetData(SDL_Sensor *sensor, float *data, int num_values)
{
return SDL_SensorGetDataWithTimestamp(sensor, NULL, data, num_values);
}
/*
* Get the current state of this sensor
*/
int SDL_SensorGetDataWithTimestamp(SDL_Sensor *sensor, Uint64 *timestamp, float *data, int num_values)
{
if (!SDL_PrivateSensorValid(sensor)) {
return -1;
}
num_values = SDL_min(num_values, SDL_arraysize(sensor->data));
SDL_memcpy(data, sensor->data, num_values * sizeof(*data));
if (timestamp) {
*timestamp = sensor->timestamp_us;
}
return 0;
}
/*
* Close a sensor previously opened with SDL_SensorOpen()
*/
void SDL_SensorClose(SDL_Sensor *sensor)
{
SDL_Sensor *sensorlist;
SDL_Sensor *sensorlistprev;
if (!SDL_PrivateSensorValid(sensor)) {
return;
}
SDL_LockSensors();
/* First decrement ref count */
if (--sensor->ref_count > 0) {
SDL_UnlockSensors();
return;
}
if (SDL_updating_sensor) {
SDL_UnlockSensors();
return;
}
sensor->driver->Close(sensor);
sensor->hwdata = NULL;
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;
}
SDL_free(sensor->name);
/* Free the data associated with this sensor */
SDL_free(sensor);
SDL_UnlockSensors();
}
void SDL_SensorQuit(void)
{
int i;
SDL_LockSensors();
/* Make sure we're not getting called in the middle of updating sensors */
SDL_assert(!SDL_updating_sensor);
/* Stop the event polling */
while (SDL_sensors) {
SDL_sensors->ref_count = 1;
SDL_SensorClose(SDL_sensors);
}
/* Quit the sensor setup */
for (i = 0; i < SDL_arraysize(SDL_sensor_drivers); ++i) {
SDL_sensor_drivers[i]->Quit();
}
SDL_UnlockSensors();
#if !SDL_EVENTS_DISABLED
SDL_QuitSubSystem(SDL_INIT_EVENTS);
#endif
if (SDL_sensor_lock) {
SDL_DestroyMutex(SDL_sensor_lock);
SDL_sensor_lock = NULL;
}
}
/* These are global for SDL_syssensor.c and SDL_events.c */
int SDL_PrivateSensorUpdate(SDL_Sensor *sensor, Uint64 timestamp_us, float *data, int num_values)
{
int posted;
/* 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));
sensor->timestamp_us = timestamp_us;
/* Post the event, if desired */
posted = 0;
#if !SDL_EVENTS_DISABLED
if (SDL_GetEventState(SDL_SENSORUPDATE) == SDL_ENABLE) {
SDL_Event event;
event.type = SDL_SENSORUPDATE;
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.timestamp_us = timestamp_us;
posted = SDL_PushEvent(&event) == 1;
}
#endif /* !SDL_EVENTS_DISABLED */
return posted;
}
void SDL_SensorUpdate(void)
{
int i;
SDL_Sensor *sensor, *next;
if (!SDL_WasInit(SDL_INIT_SENSOR)) {
return;
}
SDL_LockSensors();
if (SDL_updating_sensor) {
/* The sensors are already being updated */
SDL_UnlockSensors();
return;
}
SDL_updating_sensor = SDL_TRUE;
for (sensor = SDL_sensors; sensor; sensor = sensor->next) {
sensor->driver->Update(sensor);
}
SDL_updating_sensor = SDL_FALSE;
/* If any sensors were closed while updating, free them here */
for (sensor = SDL_sensors; sensor; sensor = next) {
next = sensor->next;
if (sensor->ref_count <= 0) {
SDL_SensorClose(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();
}
/* vi: set ts=4 sw=4 expandtab: */

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third_party/SDL/src/sensor/SDL_sensor_c.h vendored Normal file
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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.
*/
#ifndef SDL_sensor_c_h_
#define SDL_sensor_c_h_
#include "SDL_config.h"
struct _SDL_SensorDriver;
/* Useful functions and variables from SDL_sensor.c */
#include "SDL_sensor.h"
/* Function to get the next available sensor instance ID */
extern SDL_SensorID SDL_GetNextSensorInstanceID(void);
/* Initialization and shutdown functions */
extern int SDL_SensorInit(void);
extern void SDL_SensorQuit(void);
/* Internal event queueing functions */
extern int SDL_PrivateSensorUpdate(SDL_Sensor *sensor, Uint64 timestamp_us, float *data, int num_values);
#endif /* SDL_sensor_c_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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.
*/
#ifndef SDL_syssensor_c_h_
#define SDL_syssensor_c_h_
#include "SDL_config.h"
/* This is the system specific header for the SDL sensor API */
#include "SDL_sensor.h"
#include "SDL_sensor_c.h"
/* The SDL sensor structure */
struct _SDL_Sensor
{
SDL_SensorID instance_id; /* Device instance, monotonically increasing from 0 */
char *name; /* Sensor name - system dependent */
SDL_SensorType type; /* Type of the sensor */
int non_portable_type; /* Platform dependent type of the sensor */
Uint64 timestamp_us; /* The timestamp of the last sensor update */
float data[16]; /* The current state of the sensor */
struct _SDL_SensorDriver *driver;
struct sensor_hwdata *hwdata; /* Driver dependent information */
int ref_count; /* Reference count for multiple opens */
struct _SDL_Sensor *next; /* pointer to next sensor we have allocated */
};
typedef struct _SDL_SensorDriver
{
/* Function to scan the system for sensors.
* sensor 0 should be the system default sensor.
* This function should return 0, or -1 on an unrecoverable fatal error.
*/
int (*Init)(void);
/* Function to return the number of sensors available right now */
int (*GetCount)(void);
/* Function to check to see if the available sensors have changed */
void (*Detect)(void);
/* Function to get the device-dependent name of a sensor */
const char *(*GetDeviceName)(int device_index);
/* Function to get the type of a sensor */
SDL_SensorType (*GetDeviceType)(int device_index);
/* Function to get the platform dependent type of a sensor */
int (*GetDeviceNonPortableType)(int device_index);
/* Function to get the current instance id of the sensor located at device_index */
SDL_SensorID (*GetDeviceInstanceID)(int device_index);
/* Function to open a sensor for use.
The sensor to open is specified by the device index.
It returns 0, or -1 if there is an error.
*/
int (*Open)(SDL_Sensor *sensor, int device_index);
/* Function to update the state of a sensor - called as a device poll.
* This function shouldn't update the sensor structure directly,
* but instead should call SDL_PrivateSensorUpdate() to deliver events
* and update sensor device state.
*/
void (*Update)(SDL_Sensor *sensor);
/* Function to close a sensor after use */
void (*Close)(SDL_Sensor *sensor);
/* Function to perform any system-specific sensor related cleanup */
void (*Quit)(void);
} SDL_SensorDriver;
/* The available sensor drivers */
extern SDL_SensorDriver SDL_ANDROID_SensorDriver;
extern SDL_SensorDriver SDL_COREMOTION_SensorDriver;
extern SDL_SensorDriver SDL_WINDOWS_SensorDriver;
extern SDL_SensorDriver SDL_DUMMY_SensorDriver;
extern SDL_SensorDriver SDL_VITA_SensorDriver;
extern SDL_SensorDriver SDL_N3DS_SensorDriver;
#endif /* SDL_syssensor_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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"
#include "SDL_config.h"
#ifdef SDL_SENSOR_ANDROID
/* This is the system specific header for the SDL sensor API */
#include <android/sensor.h>
#include "SDL_error.h"
#include "SDL_sensor.h"
#include "SDL_androidsensor.h"
#include "../SDL_syssensor.h"
#include "../SDL_sensor_c.h"
#ifndef LOOPER_ID_USER
#define LOOPER_ID_USER 3
#endif
typedef struct
{
ASensorRef asensor;
SDL_SensorID instance_id;
} SDL_AndroidSensor;
static ASensorManager *SDL_sensor_manager;
static ALooper *SDL_sensor_looper;
static SDL_AndroidSensor *SDL_sensors;
static int SDL_sensors_count;
static int SDL_ANDROID_SensorInit(void)
{
int i, sensors_count;
ASensorList sensors;
SDL_sensor_manager = ASensorManager_getInstance();
if (SDL_sensor_manager == NULL) {
return SDL_SetError("Couldn't create sensor manager");
}
SDL_sensor_looper = ALooper_forThread();
if (SDL_sensor_looper == NULL) {
SDL_sensor_looper = ALooper_prepare(ALOOPER_PREPARE_ALLOW_NON_CALLBACKS);
if (SDL_sensor_looper == NULL) {
return SDL_SetError("Couldn't create sensor event loop");
}
}
/* FIXME: Is the sensor list dynamic? */
sensors_count = ASensorManager_getSensorList(SDL_sensor_manager, &sensors);
if (sensors_count > 0) {
SDL_sensors = (SDL_AndroidSensor *)SDL_calloc(sensors_count, sizeof(*SDL_sensors));
if (SDL_sensors == NULL) {
return SDL_OutOfMemory();
}
for (i = 0; i < sensors_count; ++i) {
SDL_sensors[i].asensor = sensors[i];
SDL_sensors[i].instance_id = SDL_GetNextSensorInstanceID();
}
SDL_sensors_count = sensors_count;
}
return 0;
}
static int SDL_ANDROID_SensorGetCount(void)
{
return SDL_sensors_count;
}
static void SDL_ANDROID_SensorDetect(void)
{
}
static const char *SDL_ANDROID_SensorGetDeviceName(int device_index)
{
return ASensor_getName(SDL_sensors[device_index].asensor);
}
static SDL_SensorType SDL_ANDROID_SensorGetDeviceType(int device_index)
{
switch (ASensor_getType(SDL_sensors[device_index].asensor)) {
case 0x00000001:
return SDL_SENSOR_ACCEL;
case 0x00000004:
return SDL_SENSOR_GYRO;
default:
return SDL_SENSOR_UNKNOWN;
}
}
static int SDL_ANDROID_SensorGetDeviceNonPortableType(int device_index)
{
return ASensor_getType(SDL_sensors[device_index].asensor);
}
static SDL_SensorID SDL_ANDROID_SensorGetDeviceInstanceID(int device_index)
{
return SDL_sensors[device_index].instance_id;
}
static int SDL_ANDROID_SensorOpen(SDL_Sensor *sensor, int device_index)
{
struct sensor_hwdata *hwdata;
int delay_us, min_delay_us;
hwdata = (struct sensor_hwdata *)SDL_calloc(1, sizeof(*hwdata));
if (hwdata == NULL) {
return SDL_OutOfMemory();
}
hwdata->asensor = SDL_sensors[device_index].asensor;
hwdata->eventqueue = ASensorManager_createEventQueue(SDL_sensor_manager, SDL_sensor_looper, LOOPER_ID_USER, NULL, NULL);
if (!hwdata->eventqueue) {
SDL_free(hwdata);
return SDL_SetError("Couldn't create sensor event queue");
}
if (ASensorEventQueue_enableSensor(hwdata->eventqueue, hwdata->asensor) < 0) {
ASensorManager_destroyEventQueue(SDL_sensor_manager, hwdata->eventqueue);
SDL_free(hwdata);
return SDL_SetError("Couldn't enable sensor");
}
/* Use 60 Hz update rate if possible */
/* FIXME: Maybe add a hint for this? */
delay_us = 1000000 / 60;
min_delay_us = ASensor_getMinDelay(hwdata->asensor);
if (delay_us < min_delay_us) {
delay_us = min_delay_us;
}
ASensorEventQueue_setEventRate(hwdata->eventqueue, hwdata->asensor, delay_us);
sensor->hwdata = hwdata;
return 0;
}
static void SDL_ANDROID_SensorUpdate(SDL_Sensor *sensor)
{
int events;
ASensorEvent event;
struct android_poll_source *source;
if (ALooper_pollAll(0, NULL, &events, (void **)&source) == LOOPER_ID_USER) {
SDL_zero(event);
while (ASensorEventQueue_getEvents(sensor->hwdata->eventqueue, &event, 1) > 0) {
SDL_PrivateSensorUpdate(sensor, 0, event.data, SDL_arraysize(event.data));
}
}
}
static void SDL_ANDROID_SensorClose(SDL_Sensor *sensor)
{
if (sensor->hwdata) {
ASensorEventQueue_disableSensor(sensor->hwdata->eventqueue, sensor->hwdata->asensor);
ASensorManager_destroyEventQueue(SDL_sensor_manager, sensor->hwdata->eventqueue);
SDL_free(sensor->hwdata);
sensor->hwdata = NULL;
}
}
static void SDL_ANDROID_SensorQuit(void)
{
if (SDL_sensors) {
SDL_free(SDL_sensors);
SDL_sensors = NULL;
SDL_sensors_count = 0;
}
}
SDL_SensorDriver SDL_ANDROID_SensorDriver = {
SDL_ANDROID_SensorInit,
SDL_ANDROID_SensorGetCount,
SDL_ANDROID_SensorDetect,
SDL_ANDROID_SensorGetDeviceName,
SDL_ANDROID_SensorGetDeviceType,
SDL_ANDROID_SensorGetDeviceNonPortableType,
SDL_ANDROID_SensorGetDeviceInstanceID,
SDL_ANDROID_SensorOpen,
SDL_ANDROID_SensorUpdate,
SDL_ANDROID_SensorClose,
SDL_ANDROID_SensorQuit,
};
#endif /* SDL_SENSOR_ANDROID */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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_config.h"
/* The private structure used to keep track of a sensor */
struct sensor_hwdata
{
ASensorRef asensor;
ASensorEventQueue *eventqueue;
};
/* vi: set ts=4 sw=4 expandtab: */

29
third_party/SDL/src/sensor/coremotion/SDL_coremotionsensor.h vendored Normal file
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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_config.h"
/* The private structure used to keep track of a sensor */
struct sensor_hwdata
{
float data[3];
};
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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_config.h"
#ifdef SDL_SENSOR_COREMOTION
/* This is the system specific header for the SDL sensor API */
#include <CoreMotion/CoreMotion.h>
#include "SDL_error.h"
#include "SDL_sensor.h"
#include "SDL_coremotionsensor.h"
#include "../SDL_syssensor.h"
#include "../SDL_sensor_c.h"
typedef struct
{
SDL_SensorType type;
SDL_SensorID instance_id;
} SDL_CoreMotionSensor;
static CMMotionManager *SDL_motion_manager;
static SDL_CoreMotionSensor *SDL_sensors;
static int SDL_sensors_count;
static int SDL_COREMOTION_SensorInit(void)
{
int i, sensors_count = 0;
if (!SDL_motion_manager) {
SDL_motion_manager = [[CMMotionManager alloc] init];
}
if (SDL_motion_manager.accelerometerAvailable) {
++sensors_count;
}
if (SDL_motion_manager.gyroAvailable) {
++sensors_count;
}
if (sensors_count > 0) {
SDL_sensors = (SDL_CoreMotionSensor *)SDL_calloc(sensors_count, sizeof(*SDL_sensors));
if (!SDL_sensors) {
return SDL_OutOfMemory();
}
i = 0;
if (SDL_motion_manager.accelerometerAvailable) {
SDL_sensors[i].type = SDL_SENSOR_ACCEL;
SDL_sensors[i].instance_id = SDL_GetNextSensorInstanceID();
++i;
}
if (SDL_motion_manager.gyroAvailable) {
SDL_sensors[i].type = SDL_SENSOR_GYRO;
SDL_sensors[i].instance_id = SDL_GetNextSensorInstanceID();
++i;
}
SDL_sensors_count = sensors_count;
}
return 0;
}
static int SDL_COREMOTION_SensorGetCount(void)
{
return SDL_sensors_count;
}
static void SDL_COREMOTION_SensorDetect(void)
{
}
static const char *SDL_COREMOTION_SensorGetDeviceName(int device_index)
{
switch (SDL_sensors[device_index].type) {
case SDL_SENSOR_ACCEL:
return "Accelerometer";
case SDL_SENSOR_GYRO:
return "Gyro";
default:
return "Unknown";
}
}
static SDL_SensorType SDL_COREMOTION_SensorGetDeviceType(int device_index)
{
return SDL_sensors[device_index].type;
}
static int SDL_COREMOTION_SensorGetDeviceNonPortableType(int device_index)
{
return SDL_sensors[device_index].type;
}
static SDL_SensorID SDL_COREMOTION_SensorGetDeviceInstanceID(int device_index)
{
return SDL_sensors[device_index].instance_id;
}
static int SDL_COREMOTION_SensorOpen(SDL_Sensor *sensor, int device_index)
{
struct sensor_hwdata *hwdata;
hwdata = (struct sensor_hwdata *)SDL_calloc(1, sizeof(*hwdata));
if (hwdata == NULL) {
return SDL_OutOfMemory();
}
sensor->hwdata = hwdata;
switch (sensor->type) {
case SDL_SENSOR_ACCEL:
[SDL_motion_manager startAccelerometerUpdates];
break;
case SDL_SENSOR_GYRO:
[SDL_motion_manager startGyroUpdates];
break;
default:
break;
}
return 0;
}
static void SDL_COREMOTION_SensorUpdate(SDL_Sensor *sensor)
{
switch (sensor->type) {
case SDL_SENSOR_ACCEL:
{
CMAccelerometerData *accelerometerData = SDL_motion_manager.accelerometerData;
if (accelerometerData) {
CMAcceleration acceleration = accelerometerData.acceleration;
float data[3];
data[0] = -acceleration.x * SDL_STANDARD_GRAVITY;
data[1] = -acceleration.y * SDL_STANDARD_GRAVITY;
data[2] = -acceleration.z * SDL_STANDARD_GRAVITY;
if (SDL_memcmp(data, sensor->hwdata->data, sizeof(data)) != 0) {
SDL_PrivateSensorUpdate(sensor, 0, data, SDL_arraysize(data));
SDL_memcpy(sensor->hwdata->data, data, sizeof(data));
}
}
} break;
case SDL_SENSOR_GYRO:
{
CMGyroData *gyroData = SDL_motion_manager.gyroData;
if (gyroData) {
CMRotationRate rotationRate = gyroData.rotationRate;
float data[3];
data[0] = rotationRate.x;
data[1] = rotationRate.y;
data[2] = rotationRate.z;
if (SDL_memcmp(data, sensor->hwdata->data, sizeof(data)) != 0) {
SDL_PrivateSensorUpdate(sensor, 0, data, SDL_arraysize(data));
SDL_memcpy(sensor->hwdata->data, data, sizeof(data));
}
}
} break;
default:
break;
}
}
static void SDL_COREMOTION_SensorClose(SDL_Sensor *sensor)
{
if (sensor->hwdata) {
switch (sensor->type) {
case SDL_SENSOR_ACCEL:
[SDL_motion_manager stopAccelerometerUpdates];
break;
case SDL_SENSOR_GYRO:
[SDL_motion_manager stopGyroUpdates];
break;
default:
break;
}
SDL_free(sensor->hwdata);
sensor->hwdata = NULL;
}
}
static void SDL_COREMOTION_SensorQuit(void)
{
}
SDL_SensorDriver SDL_COREMOTION_SensorDriver = {
SDL_COREMOTION_SensorInit,
SDL_COREMOTION_SensorGetCount,
SDL_COREMOTION_SensorDetect,
SDL_COREMOTION_SensorGetDeviceName,
SDL_COREMOTION_SensorGetDeviceType,
SDL_COREMOTION_SensorGetDeviceNonPortableType,
SDL_COREMOTION_SensorGetDeviceInstanceID,
SDL_COREMOTION_SensorOpen,
SDL_COREMOTION_SensorUpdate,
SDL_COREMOTION_SensorClose,
SDL_COREMOTION_SensorQuit,
};
#endif /* SDL_SENSOR_COREMOTION */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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"
#include "SDL_config.h"
#if defined(SDL_SENSOR_DUMMY) || defined(SDL_SENSOR_DISABLED)
#include "SDL_error.h"
#include "SDL_sensor.h"
#include "SDL_dummysensor.h"
#include "../SDL_syssensor.h"
static int SDL_DUMMY_SensorInit(void)
{
return 0;
}
static int SDL_DUMMY_SensorGetCount(void)
{
return 0;
}
static void SDL_DUMMY_SensorDetect(void)
{
}
static const char *SDL_DUMMY_SensorGetDeviceName(int device_index)
{
return NULL;
}
static SDL_SensorType SDL_DUMMY_SensorGetDeviceType(int device_index)
{
return SDL_SENSOR_INVALID;
}
static int SDL_DUMMY_SensorGetDeviceNonPortableType(int device_index)
{
return -1;
}
static SDL_SensorID SDL_DUMMY_SensorGetDeviceInstanceID(int device_index)
{
return -1;
}
static int SDL_DUMMY_SensorOpen(SDL_Sensor *sensor, int device_index)
{
return SDL_Unsupported();
}
static void SDL_DUMMY_SensorUpdate(SDL_Sensor *sensor)
{
}
static void SDL_DUMMY_SensorClose(SDL_Sensor *sensor)
{
}
static void SDL_DUMMY_SensorQuit(void)
{
}
SDL_SensorDriver SDL_DUMMY_SensorDriver = {
SDL_DUMMY_SensorInit,
SDL_DUMMY_SensorGetCount,
SDL_DUMMY_SensorDetect,
SDL_DUMMY_SensorGetDeviceName,
SDL_DUMMY_SensorGetDeviceType,
SDL_DUMMY_SensorGetDeviceNonPortableType,
SDL_DUMMY_SensorGetDeviceInstanceID,
SDL_DUMMY_SensorOpen,
SDL_DUMMY_SensorUpdate,
SDL_DUMMY_SensorClose,
SDL_DUMMY_SensorQuit,
};
#endif /* SDL_SENSOR_DUMMY || SDL_SENSOR_DISABLED */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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_config.h"
/* vi: set ts=4 sw=4 expandtab: */

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third_party/SDL/src/sensor/n3ds/SDL_n3dssensor.c vendored Normal file
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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"
#ifdef SDL_SENSOR_N3DS
#include <3ds.h>
#include "../SDL_syssensor.h"
/* 1 accelerometer and 1 gyroscope */
#define N3DS_SENSOR_COUNT 2
typedef struct
{
SDL_SensorType type;
SDL_SensorID instance_id;
} SDL_N3DSSensor;
static SDL_N3DSSensor N3DS_sensors[N3DS_SENSOR_COUNT];
SDL_FORCE_INLINE int InitN3DSServices(void);
SDL_FORCE_INLINE void UpdateN3DSAccelerometer(SDL_Sensor *sensor);
SDL_FORCE_INLINE void UpdateN3DSGyroscope(SDL_Sensor *sensor);
SDL_FORCE_INLINE SDL_bool
IsDeviceIndexValid(int device_index)
{
return device_index >= 0 && device_index < N3DS_SENSOR_COUNT;
}
static int N3DS_SensorInit(void)
{
if (InitN3DSServices() < 0) {
return SDL_SetError("Failed to initialise N3DS services");
}
N3DS_sensors[0].type = SDL_SENSOR_ACCEL;
N3DS_sensors[0].instance_id = SDL_GetNextSensorInstanceID();
N3DS_sensors[1].type = SDL_SENSOR_GYRO;
N3DS_sensors[1].instance_id = SDL_GetNextSensorInstanceID();
return 0;
}
SDL_FORCE_INLINE int
InitN3DSServices(void)
{
if (R_FAILED(hidInit())) {
return -1;
}
if (R_FAILED(HIDUSER_EnableAccelerometer())) {
return -1;
}
if (R_FAILED(HIDUSER_EnableGyroscope())) {
return -1;
}
return 0;
}
static int N3DS_SensorGetCount(void)
{
return N3DS_SENSOR_COUNT;
}
static void N3DS_SensorDetect(void)
{
}
static const char *N3DS_SensorGetDeviceName(int device_index)
{
if (IsDeviceIndexValid(device_index)) {
switch (N3DS_sensors[device_index].type) {
case SDL_SENSOR_ACCEL:
return "Accelerometer";
case SDL_SENSOR_GYRO:
return "Gyroscope";
default:
return "Unknown";
}
}
return NULL;
}
static SDL_SensorType N3DS_SensorGetDeviceType(int device_index)
{
if (IsDeviceIndexValid(device_index)) {
return N3DS_sensors[device_index].type;
}
return SDL_SENSOR_INVALID;
}
static int N3DS_SensorGetDeviceNonPortableType(int device_index)
{
return (int)N3DS_SensorGetDeviceType(device_index);
}
static SDL_SensorID N3DS_SensorGetDeviceInstanceID(int device_index)
{
if (IsDeviceIndexValid(device_index)) {
return N3DS_sensors[device_index].instance_id;
}
return -1;
}
static int N3DS_SensorOpen(SDL_Sensor *sensor, int device_index)
{
return 0;
}
static void N3DS_SensorUpdate(SDL_Sensor *sensor)
{
switch (sensor->type) {
case SDL_SENSOR_ACCEL:
UpdateN3DSAccelerometer(sensor);
break;
case SDL_SENSOR_GYRO:
UpdateN3DSGyroscope(sensor);
break;
default:
break;
}
}
SDL_FORCE_INLINE void
UpdateN3DSAccelerometer(SDL_Sensor *sensor)
{
static accelVector previous_state = { 0, 0, 0 };
accelVector current_state;
float data[3];
hidAccelRead(&current_state);
if (SDL_memcmp(&previous_state, &current_state, sizeof(accelVector)) != 0) {
SDL_memcpy(&previous_state, &current_state, sizeof(accelVector));
data[0] = (float)current_state.x * SDL_STANDARD_GRAVITY;
data[1] = (float)current_state.y * SDL_STANDARD_GRAVITY;
data[2] = (float)current_state.z * SDL_STANDARD_GRAVITY;
SDL_PrivateSensorUpdate(sensor, 0, data, sizeof(data));
}
}
SDL_FORCE_INLINE void
UpdateN3DSGyroscope(SDL_Sensor *sensor)
{
static angularRate previous_state = { 0, 0, 0 };
angularRate current_state;
float data[3];
hidGyroRead(&current_state);
if (SDL_memcmp(&previous_state, &current_state, sizeof(angularRate)) != 0) {
SDL_memcpy(&previous_state, &current_state, sizeof(angularRate));
data[0] = (float)current_state.x;
data[1] = (float)current_state.y;
data[2] = (float)current_state.z;
SDL_PrivateSensorUpdate(sensor, 0, data, sizeof(data));
}
}
static void N3DS_SensorClose(SDL_Sensor *sensor)
{
}
static void N3DS_SensorQuit(void)
{
HIDUSER_DisableGyroscope();
HIDUSER_DisableAccelerometer();
hidExit();
}
SDL_SensorDriver SDL_N3DS_SensorDriver = {
.Init = N3DS_SensorInit,
.GetCount = N3DS_SensorGetCount,
.Detect = N3DS_SensorDetect,
.GetDeviceName = N3DS_SensorGetDeviceName,
.GetDeviceType = N3DS_SensorGetDeviceType,
.GetDeviceNonPortableType = N3DS_SensorGetDeviceNonPortableType,
.GetDeviceInstanceID = N3DS_SensorGetDeviceInstanceID,
.Open = N3DS_SensorOpen,
.Update = N3DS_SensorUpdate,
.Close = N3DS_SensorClose,
.Quit = N3DS_SensorQuit,
};
#endif /* SDL_SENSOR_N3DS */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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_config.h"
#if defined(SDL_SENSOR_VITA)
#include "SDL_error.h"
#include "SDL_sensor.h"
#include "SDL_vitasensor.h"
#include "../SDL_syssensor.h"
#include <psp2/motion.h>
#if !defined(SCE_MOTION_MAX_NUM_STATES)
#define SCE_MOTION_MAX_NUM_STATES 64
#endif
typedef struct
{
SDL_SensorType type;
SDL_SensorID instance_id;
} SDL_VitaSensor;
static SDL_VitaSensor *SDL_sensors;
static int SDL_sensors_count;
static int SDL_VITA_SensorInit(void)
{
sceMotionReset();
sceMotionStartSampling();
// not sure if these are needed, we are reading unfiltered state
sceMotionSetAngleThreshold(0);
sceMotionSetDeadband(SCE_FALSE);
sceMotionSetTiltCorrection(SCE_FALSE);
SDL_sensors_count = 2;
SDL_sensors = (SDL_VitaSensor *)SDL_calloc(SDL_sensors_count, sizeof(*SDL_sensors));
if (SDL_sensors == NULL) {
return SDL_OutOfMemory();
}
SDL_sensors[0].type = SDL_SENSOR_ACCEL;
SDL_sensors[0].instance_id = SDL_GetNextSensorInstanceID();
SDL_sensors[1].type = SDL_SENSOR_GYRO;
SDL_sensors[1].instance_id = SDL_GetNextSensorInstanceID();
return 0;
}
static int SDL_VITA_SensorGetCount(void)
{
return SDL_sensors_count;
}
static void SDL_VITA_SensorDetect(void)
{
}
static const char *SDL_VITA_SensorGetDeviceName(int device_index)
{
if (device_index < SDL_sensors_count) {
switch (SDL_sensors[device_index].type) {
case SDL_SENSOR_ACCEL:
return "Accelerometer";
case SDL_SENSOR_GYRO:
return "Gyro";
default:
return "Unknown";
}
}
return NULL;
}
static SDL_SensorType SDL_VITA_SensorGetDeviceType(int device_index)
{
if (device_index < SDL_sensors_count) {
return SDL_sensors[device_index].type;
}
return SDL_SENSOR_INVALID;
}
static int SDL_VITA_SensorGetDeviceNonPortableType(int device_index)
{
if (device_index < SDL_sensors_count) {
return SDL_sensors[device_index].type;
}
return -1;
}
static SDL_SensorID SDL_VITA_SensorGetDeviceInstanceID(int device_index)
{
if (device_index < SDL_sensors_count) {
return SDL_sensors[device_index].instance_id;
}
return -1;
}
static int SDL_VITA_SensorOpen(SDL_Sensor *sensor, int device_index)
{
struct sensor_hwdata *hwdata;
hwdata = (struct sensor_hwdata *)SDL_calloc(1, sizeof(*hwdata));
if (hwdata == NULL) {
return SDL_OutOfMemory();
}
sensor->hwdata = hwdata;
return 0;
}
static void SDL_VITA_SensorUpdate(SDL_Sensor *sensor)
{
int err = 0;
SceMotionSensorState motionState[SCE_MOTION_MAX_NUM_STATES];
SDL_memset(motionState, 0, sizeof(motionState));
err = sceMotionGetSensorState(motionState, SCE_MOTION_MAX_NUM_STATES);
if (err != 0) {
return;
}
for (int i = 0; i < SCE_MOTION_MAX_NUM_STATES; i++) {
if (sensor->hwdata->counter < motionState[i].counter) {
unsigned int timestamp = motionState[i].timestamp;
sensor->hwdata->counter = motionState[i].counter;
if (sensor->hwdata->timestamp_us) {
unsigned int delta;
if (sensor->hwdata->last_timestamp > timestamp) {
SDL_COMPILE_TIME_ASSERT(timestamp, sizeof(timestamp) == sizeof(Uint32));
delta = (SDL_MAX_UINT32 - sensor->hwdata->last_timestamp + timestamp + 1);
} else {
delta = (timestamp - sensor->hwdata->last_timestamp);
}
sensor->hwdata->timestamp_us += delta;
} else {
sensor->hwdata->timestamp_us = timestamp;
}
sensor->hwdata->last_timestamp = timestamp;
switch (sensor->type) {
case SDL_SENSOR_ACCEL:
{
float data[3];
data[0] = motionState[i].accelerometer.x * SDL_STANDARD_GRAVITY;
data[1] = motionState[i].accelerometer.y * SDL_STANDARD_GRAVITY;
data[2] = motionState[i].accelerometer.z * SDL_STANDARD_GRAVITY;
SDL_PrivateSensorUpdate(sensor, sensor->hwdata->timestamp_us, data, SDL_arraysize(data));
} break;
case SDL_SENSOR_GYRO:
{
float data[3];
data[0] = motionState[i].gyro.x;
data[1] = motionState[i].gyro.y;
data[2] = motionState[i].gyro.z;
SDL_PrivateSensorUpdate(sensor, sensor->hwdata->timestamp_us, data, SDL_arraysize(data));
} break;
default:
break;
}
}
}
}
static void SDL_VITA_SensorClose(SDL_Sensor *sensor)
{
}
static void SDL_VITA_SensorQuit(void)
{
sceMotionStopSampling();
}
SDL_SensorDriver SDL_VITA_SensorDriver = {
SDL_VITA_SensorInit,
SDL_VITA_SensorGetCount,
SDL_VITA_SensorDetect,
SDL_VITA_SensorGetDeviceName,
SDL_VITA_SensorGetDeviceType,
SDL_VITA_SensorGetDeviceNonPortableType,
SDL_VITA_SensorGetDeviceInstanceID,
SDL_VITA_SensorOpen,
SDL_VITA_SensorUpdate,
SDL_VITA_SensorClose,
SDL_VITA_SensorQuit,
};
#endif /* SDL_SENSOR_VITA */
/* vi: set ts=4 sw=4 expandtab: */

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third_party/SDL/src/sensor/vita/SDL_vitasensor.h vendored Normal file
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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_config.h"
/* The private structure used to keep track of a sensor */
struct sensor_hwdata
{
Uint32 counter;
unsigned int last_timestamp;
Uint64 timestamp_us;
};
/* vi: set ts=4 sw=4 expandtab: */

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third_party/SDL/src/sensor/windows/SDL_windowssensor.c vendored Normal file
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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"
#include "SDL_config.h"
#if defined(SDL_SENSOR_WINDOWS)
#include "SDL_error.h"
#include "SDL_mutex.h"
#include "SDL_sensor.h"
#include "SDL_windowssensor.h"
#include "../SDL_syssensor.h"
#include "../../core/windows/SDL_windows.h"
#define COBJMACROS
#include <initguid.h>
#include <sensorsapi.h>
#include <sensors.h>
DEFINE_GUID(SDL_CLSID_SensorManager, 0x77A1C827, 0xFCD2, 0x4689, 0x89, 0x15, 0x9D, 0x61, 0x3C, 0xC5, 0xFA, 0x3E);
DEFINE_GUID(SDL_IID_SensorManager, 0xBD77DB67, 0x45A8, 0x42DC, 0x8D, 0x00, 0x6D, 0xCF, 0x15, 0xF8, 0x37, 0x7A);
DEFINE_GUID(SDL_IID_SensorManagerEvents, 0x9B3B0B86, 0x266A, 0x4AAD, 0xB2, 0x1F, 0xFD, 0xE5, 0x50, 0x10, 0x01, 0xB7);
DEFINE_GUID(SDL_IID_SensorEvents, 0x5D8DCC91, 0x4641, 0x47E7, 0xB7, 0xC3, 0xB7, 0x4F, 0x48, 0xA6, 0xC3, 0x91);
/* These constants aren't available in Visual Studio 2015 or earlier Windows SDK */
DEFINE_PROPERTYKEY(SDL_SENSOR_DATA_TYPE_ANGULAR_VELOCITY_X_DEGREES_PER_SECOND, 0X3F8A69A2, 0X7C5, 0X4E48, 0XA9, 0X65, 0XCD, 0X79, 0X7A, 0XAB, 0X56, 0XD5, 10); //[VT_R8]
DEFINE_PROPERTYKEY(SDL_SENSOR_DATA_TYPE_ANGULAR_VELOCITY_Y_DEGREES_PER_SECOND, 0X3F8A69A2, 0X7C5, 0X4E48, 0XA9, 0X65, 0XCD, 0X79, 0X7A, 0XAB, 0X56, 0XD5, 11); //[VT_R8]
DEFINE_PROPERTYKEY(SDL_SENSOR_DATA_TYPE_ANGULAR_VELOCITY_Z_DEGREES_PER_SECOND, 0X3F8A69A2, 0X7C5, 0X4E48, 0XA9, 0X65, 0XCD, 0X79, 0X7A, 0XAB, 0X56, 0XD5, 12); //[VT_R8]
typedef struct
{
SDL_SensorID id;
ISensor *sensor;
SENSOR_ID sensor_id;
char *name;
SDL_SensorType type;
SDL_Sensor *sensor_opened;
} SDL_Windows_Sensor;
static SDL_bool SDL_windowscoinit;
static ISensorManager *SDL_sensor_manager;
static int SDL_num_sensors;
static SDL_Windows_Sensor *SDL_sensors;
static int ConnectSensor(ISensor *sensor);
static int DisconnectSensor(ISensor *sensor);
static HRESULT STDMETHODCALLTYPE ISensorManagerEventsVtbl_QueryInterface(ISensorManagerEvents *This, REFIID riid, void **ppvObject)
{
if (ppvObject == NULL) {
return E_INVALIDARG;
}
*ppvObject = NULL;
if (WIN_IsEqualIID(riid, &IID_IUnknown) || WIN_IsEqualIID(riid, &SDL_IID_SensorManagerEvents)) {
*ppvObject = This;
return S_OK;
}
return E_NOINTERFACE;
}
static ULONG STDMETHODCALLTYPE ISensorManagerEventsVtbl_AddRef(ISensorManagerEvents *This)
{
return 1;
}
static ULONG STDMETHODCALLTYPE ISensorManagerEventsVtbl_Release(ISensorManagerEvents *This)
{
return 1;
}
static HRESULT STDMETHODCALLTYPE ISensorManagerEventsVtbl_OnSensorEnter(ISensorManagerEvents *This, ISensor *pSensor, SensorState state)
{
ConnectSensor(pSensor);
return S_OK;
}
static ISensorManagerEventsVtbl sensor_manager_events_vtbl = {
ISensorManagerEventsVtbl_QueryInterface,
ISensorManagerEventsVtbl_AddRef,
ISensorManagerEventsVtbl_Release,
ISensorManagerEventsVtbl_OnSensorEnter
};
static ISensorManagerEvents sensor_manager_events = {
&sensor_manager_events_vtbl
};
static HRESULT STDMETHODCALLTYPE ISensorEventsVtbl_QueryInterface(ISensorEvents *This, REFIID riid, void **ppvObject)
{
if (ppvObject == NULL) {
return E_INVALIDARG;
}
*ppvObject = NULL;
if (WIN_IsEqualIID(riid, &IID_IUnknown) || WIN_IsEqualIID(riid, &SDL_IID_SensorEvents)) {
*ppvObject = This;
return S_OK;
}
return E_NOINTERFACE;
}
static ULONG STDMETHODCALLTYPE ISensorEventsVtbl_AddRef(ISensorEvents *This)
{
return 1;
}
static ULONG STDMETHODCALLTYPE ISensorEventsVtbl_Release(ISensorEvents *This)
{
return 1;
}
static HRESULT STDMETHODCALLTYPE ISensorEventsVtbl_OnStateChanged(ISensorEvents *This, ISensor *pSensor, SensorState state)
{
#ifdef DEBUG_SENSORS
int i;
SDL_LockSensors();
for (i = 0; i < SDL_num_sensors; ++i) {
if (pSensor == SDL_sensors[i].sensor) {
SDL_Log("Sensor %s state changed to %d\n", SDL_sensors[i].name, state);
}
}
SDL_UnlockSensors();
#endif
return S_OK;
}
static HRESULT STDMETHODCALLTYPE ISensorEventsVtbl_OnDataUpdated(ISensorEvents *This, ISensor *pSensor, ISensorDataReport *pNewData)
{
int i;
SDL_LockSensors();
for (i = 0; i < SDL_num_sensors; ++i) {
if (pSensor == SDL_sensors[i].sensor) {
if (SDL_sensors[i].sensor_opened) {
HRESULT hrX, hrY, hrZ;
PROPVARIANT valueX, valueY, valueZ;
#ifdef DEBUG_SENSORS
SDL_Log("Sensor %s data updated\n", SDL_sensors[i].name);
#endif
switch (SDL_sensors[i].type) {
case SDL_SENSOR_ACCEL:
hrX = ISensorDataReport_GetSensorValue(pNewData, &SENSOR_DATA_TYPE_ACCELERATION_X_G, &valueX);
hrY = ISensorDataReport_GetSensorValue(pNewData, &SENSOR_DATA_TYPE_ACCELERATION_Y_G, &valueY);
hrZ = ISensorDataReport_GetSensorValue(pNewData, &SENSOR_DATA_TYPE_ACCELERATION_Z_G, &valueZ);
if (SUCCEEDED(hrX) && SUCCEEDED(hrY) && SUCCEEDED(hrZ) &&
valueX.vt == VT_R8 && valueY.vt == VT_R8 && valueZ.vt == VT_R8) {
float values[3];
values[0] = (float)valueX.dblVal * SDL_STANDARD_GRAVITY;
values[1] = (float)valueY.dblVal * SDL_STANDARD_GRAVITY;
values[2] = (float)valueZ.dblVal * SDL_STANDARD_GRAVITY;
SDL_PrivateSensorUpdate(SDL_sensors[i].sensor_opened, 0, values, 3);
}
break;
case SDL_SENSOR_GYRO:
hrX = ISensorDataReport_GetSensorValue(pNewData, &SDL_SENSOR_DATA_TYPE_ANGULAR_VELOCITY_X_DEGREES_PER_SECOND, &valueX);
hrY = ISensorDataReport_GetSensorValue(pNewData, &SDL_SENSOR_DATA_TYPE_ANGULAR_VELOCITY_Y_DEGREES_PER_SECOND, &valueY);
hrZ = ISensorDataReport_GetSensorValue(pNewData, &SDL_SENSOR_DATA_TYPE_ANGULAR_VELOCITY_Z_DEGREES_PER_SECOND, &valueZ);
if (SUCCEEDED(hrX) && SUCCEEDED(hrY) && SUCCEEDED(hrZ) &&
valueX.vt == VT_R8 && valueY.vt == VT_R8 && valueZ.vt == VT_R8) {
const float DEGREES_TO_RADIANS = (float)(M_PI / 180.0f);
float values[3];
values[0] = (float)valueX.dblVal * DEGREES_TO_RADIANS;
values[1] = (float)valueY.dblVal * DEGREES_TO_RADIANS;
values[2] = (float)valueZ.dblVal * DEGREES_TO_RADIANS;
SDL_PrivateSensorUpdate(SDL_sensors[i].sensor_opened, 0, values, 3);
}
break;
default:
/* FIXME: Need to know how to interpret the data for this sensor */
break;
}
}
break;
}
}
SDL_UnlockSensors();
return S_OK;
}
static HRESULT STDMETHODCALLTYPE ISensorEventsVtbl_OnEvent(ISensorEvents *This, ISensor *pSensor, REFGUID eventID, IPortableDeviceValues *pEventData)
{
#ifdef DEBUG_SENSORS
int i;
SDL_LockSensors();
for (i = 0; i < SDL_num_sensors; ++i) {
if (pSensor == SDL_sensors[i].sensor) {
SDL_Log("Sensor %s event occurred\n", SDL_sensors[i].name);
}
}
SDL_UnlockSensors();
#endif
return S_OK;
}
static HRESULT STDMETHODCALLTYPE ISensorEventsVtbl_OnLeave(ISensorEvents *This, REFSENSOR_ID ID)
{
int i;
SDL_LockSensors();
for (i = 0; i < SDL_num_sensors; ++i) {
if (WIN_IsEqualIID(ID, &SDL_sensors[i].sensor_id)) {
#ifdef DEBUG_SENSORS
SDL_Log("Sensor %s disconnected\n", SDL_sensors[i].name);
#endif
DisconnectSensor(SDL_sensors[i].sensor);
}
}
SDL_UnlockSensors();
return S_OK;
}
static ISensorEventsVtbl sensor_events_vtbl = {
ISensorEventsVtbl_QueryInterface,
ISensorEventsVtbl_AddRef,
ISensorEventsVtbl_Release,
ISensorEventsVtbl_OnStateChanged,
ISensorEventsVtbl_OnDataUpdated,
ISensorEventsVtbl_OnEvent,
ISensorEventsVtbl_OnLeave
};
static ISensorEvents sensor_events = {
&sensor_events_vtbl
};
static int ConnectSensor(ISensor *sensor)
{
SDL_Windows_Sensor *new_sensor, *new_sensors;
HRESULT hr;
SENSOR_ID sensor_id;
SENSOR_TYPE_ID type_id;
SDL_SensorType type;
BSTR bstr_name = NULL;
char *name;
hr = ISensor_GetID(sensor, &sensor_id);
if (FAILED(hr)) {
return WIN_SetErrorFromHRESULT("Couldn't get sensor ID", hr);
}
hr = ISensor_GetType(sensor, &type_id);
if (FAILED(hr)) {
return WIN_SetErrorFromHRESULT("Couldn't get sensor type", hr);
}
if (WIN_IsEqualIID(&type_id, &SENSOR_TYPE_ACCELEROMETER_3D)) {
type = SDL_SENSOR_ACCEL;
} else if (WIN_IsEqualIID(&type_id, &SENSOR_TYPE_GYROMETER_3D)) {
type = SDL_SENSOR_GYRO;
} else {
return SDL_SetError("Unknown sensor type");
}
hr = ISensor_GetFriendlyName(sensor, &bstr_name);
if (SUCCEEDED(hr) && bstr_name) {
name = WIN_StringToUTF8W(bstr_name);
} else {
name = SDL_strdup("Unknown Sensor");
}
if (bstr_name != NULL) {
SysFreeString(bstr_name);
}
if (name == NULL) {
return SDL_OutOfMemory();
}
SDL_LockSensors();
new_sensors = (SDL_Windows_Sensor *)SDL_realloc(SDL_sensors, (SDL_num_sensors + 1) * sizeof(SDL_Windows_Sensor));
if (new_sensors == NULL) {
SDL_UnlockSensors();
SDL_free(name);
return SDL_OutOfMemory();
}
ISensor_AddRef(sensor);
ISensor_SetEventSink(sensor, &sensor_events);
SDL_sensors = new_sensors;
new_sensor = &SDL_sensors[SDL_num_sensors];
++SDL_num_sensors;
SDL_zerop(new_sensor);
new_sensor->id = SDL_GetNextSensorInstanceID();
new_sensor->sensor = sensor;
new_sensor->type = type;
new_sensor->name = name;
SDL_UnlockSensors();
return 0;
}
static int DisconnectSensor(ISensor *sensor)
{
SDL_Windows_Sensor *old_sensor;
int i;
SDL_LockSensors();
for (i = 0; i < SDL_num_sensors; ++i) {
old_sensor = &SDL_sensors[i];
if (sensor == old_sensor->sensor) {
/* This call hangs for some reason:
* https://github.com/libsdl-org/SDL/issues/5288
*/
/*ISensor_SetEventSink(sensor, NULL);*/
ISensor_Release(sensor);
SDL_free(old_sensor->name);
--SDL_num_sensors;
if (i < SDL_num_sensors) {
SDL_memmove(&SDL_sensors[i], &SDL_sensors[i + 1], (SDL_num_sensors - i) * sizeof(SDL_sensors[i]));
}
break;
}
}
SDL_UnlockSensors();
return 0;
}
static int SDL_WINDOWS_SensorInit(void)
{
HRESULT hr;
ISensorCollection *sensor_collection = NULL;
if (WIN_CoInitialize() == S_OK) {
SDL_windowscoinit = SDL_TRUE;
}
hr = CoCreateInstance(&SDL_CLSID_SensorManager, NULL, CLSCTX_INPROC_SERVER, &SDL_IID_SensorManager, (LPVOID *)&SDL_sensor_manager);
if (FAILED(hr)) {
/* If we can't create a sensor manager (i.e. on Wine), we won't have any sensors, but don't fail the init */
return 0; /* WIN_SetErrorFromHRESULT("Couldn't create the sensor manager", hr); */
}
hr = ISensorManager_SetEventSink(SDL_sensor_manager, &sensor_manager_events);
if (FAILED(hr)) {
ISensorManager_Release(SDL_sensor_manager);
SDL_sensor_manager = NULL;
return WIN_SetErrorFromHRESULT("Couldn't set the sensor manager event sink", hr);
}
hr = ISensorManager_GetSensorsByCategory(SDL_sensor_manager, &SENSOR_CATEGORY_ALL, &sensor_collection);
if (SUCCEEDED(hr)) {
ULONG i, count;
hr = ISensorCollection_GetCount(sensor_collection, &count);
if (SUCCEEDED(hr)) {
for (i = 0; i < count; ++i) {
ISensor *sensor;
hr = ISensorCollection_GetAt(sensor_collection, i, &sensor);
if (SUCCEEDED(hr)) {
SensorState state;
hr = ISensor_GetState(sensor, &state);
if (SUCCEEDED(hr)) {
ISensorManagerEventsVtbl_OnSensorEnter(&sensor_manager_events, sensor, state);
}
ISensorManager_Release(sensor);
}
}
}
ISensorCollection_Release(sensor_collection);
}
return 0;
}
static int SDL_WINDOWS_SensorGetCount(void)
{
return SDL_num_sensors;
}
static void SDL_WINDOWS_SensorDetect(void)
{
}
static const char *SDL_WINDOWS_SensorGetDeviceName(int device_index)
{
return SDL_sensors[device_index].name;
}
static SDL_SensorType SDL_WINDOWS_SensorGetDeviceType(int device_index)
{
return SDL_sensors[device_index].type;
}
static int SDL_WINDOWS_SensorGetDeviceNonPortableType(int device_index)
{
return -1;
}
static SDL_SensorID SDL_WINDOWS_SensorGetDeviceInstanceID(int device_index)
{
return SDL_sensors[device_index].id;
}
static int SDL_WINDOWS_SensorOpen(SDL_Sensor *sensor, int device_index)
{
SDL_sensors[device_index].sensor_opened = sensor;
return 0;
}
static void SDL_WINDOWS_SensorUpdate(SDL_Sensor *sensor)
{
}
static void SDL_WINDOWS_SensorClose(SDL_Sensor *sensor)
{
int i;
for (i = 0; i < SDL_num_sensors; ++i) {
if (sensor == SDL_sensors[i].sensor_opened) {
SDL_sensors[i].sensor_opened = NULL;
break;
}
}
}
static void SDL_WINDOWS_SensorQuit(void)
{
while (SDL_num_sensors > 0) {
DisconnectSensor(SDL_sensors[0].sensor);
}
if (SDL_sensor_manager) {
ISensorManager_SetEventSink(SDL_sensor_manager, NULL);
ISensorManager_Release(SDL_sensor_manager);
SDL_sensor_manager = NULL;
}
if (SDL_windowscoinit) {
WIN_CoUninitialize();
}
}
SDL_SensorDriver SDL_WINDOWS_SensorDriver = {
SDL_WINDOWS_SensorInit,
SDL_WINDOWS_SensorGetCount,
SDL_WINDOWS_SensorDetect,
SDL_WINDOWS_SensorGetDeviceName,
SDL_WINDOWS_SensorGetDeviceType,
SDL_WINDOWS_SensorGetDeviceNonPortableType,
SDL_WINDOWS_SensorGetDeviceInstanceID,
SDL_WINDOWS_SensorOpen,
SDL_WINDOWS_SensorUpdate,
SDL_WINDOWS_SensorClose,
SDL_WINDOWS_SensorQuit,
};
#endif /* SDL_SENSOR_WINDOWS */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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_config.h"
/* vi: set ts=4 sw=4 expandtab: */