RetroArch/frontend/drivers/platform_linux.h
2017-01-22 13:40:32 +01:00

342 lines
10 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2012-2015 - Michael Lelli
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _PLATFORM_LINUX_H
#define _PLATFORM_LINUX_H
#include <stdint.h>
#include <sys/cdefs.h>
#include <boolean.h>
#ifndef MAX_PADS
#define MAX_PADS 8
#endif
#ifndef MAX_AXIS
#define MAX_AXIS 10
#endif
#ifdef ANDROID
#include <jni.h>
#include <poll.h>
#include <sched.h>
#include <android/looper.h>
#include <android/configuration.h>
#include <android/native_activity.h>
#include <android/window.h>
#include <android/sensor.h>
#include <rthreads/rthreads.h>
bool test_permissions(const char *path);
char internal_storage_path[PATH_MAX_LENGTH];
char internal_storage_app_path[PATH_MAX_LENGTH];
struct android_app;
struct android_poll_source
{
/* The identifier of this source. May be LOOPER_ID_MAIN or
* LOOPER_ID_INPUT. */
int32_t id;
/* The android_app this ident is associated with. */
struct android_app* app;
/* Function to call to perform the standard processing of data from
* this source. */
void (*process)(struct android_app* app, struct android_poll_source* source);
};
struct android_app
{
/* The application can place a pointer to its own state object
* here if it likes. */
void* userData;
/* Fill this in with the function to process main app commands (APP_CMD_*) */
void (*onAppCmd)(struct android_app* app, int32_t cmd);
/* Fill this in with the function to process input events. At this point
* the event has already been pre-dispatched, and it will be finished upon
* return. Return 1 if you have handled the event, 0 for any default
* dispatching. */
int32_t (*onInputEvent)(struct android_app* app, AInputEvent* event);
/* The ANativeActivity object instance that this app is running in. */
ANativeActivity* activity;
/* The current configuration the app is running in. */
AConfiguration *config;
/* This is the last instance's saved state, as provided at creation time.
* It is NULL if there was no state. You can use this as you need; the
* memory will remain around until you call android_app_exec_cmd() for
* APP_CMD_RESUME, at which point it will be freed and savedState set to NULL.
* These variables should only be changed when processing a APP_CMD_SAVE_STATE,
* at which point they will be initialized to NULL and you can malloc your
* state and place the information here. In that case the memory will be
* freed for you later.
*/
void* savedState;
size_t savedStateSize;
/* The ALooper associated with the app's thread. */
ALooper* looper;
/* When non-NULL, this is the input queue from which the app will
* receive user input events. */
AInputQueue* inputQueue;
/* When non-NULL, this is the window surface that the app can draw in. */
ANativeWindow* window;
/* Current state of the app's activity. May be either APP_CMD_START,
* APP_CMD_RESUME, APP_CMD_PAUSE, or APP_CMD_STOP; see below. */
int activityState;
int reinitRequested;
/* This is non-zero when the application's NativeActivity is being
* destroyed and waiting for the app thread to complete. */
int destroyRequested;
/* Below are "private" implementation of the glue code. */
slock_t *mutex;
scond_t *cond;
int msgread;
int msgwrite;
sthread_t *thread;
struct android_poll_source cmdPollSource;
struct android_poll_source inputPollSource;
int running;
int stateSaved;
int destroyed;
AInputQueue* pendingInputQueue;
ANativeWindow* pendingWindow;
/* Below are "private" implementation of RA code. */
bool unfocused;
unsigned accelerometer_event_rate;
ASensorManager *sensorManager;
ASensorEventQueue *sensorEventQueue;
const ASensor* accelerometerSensor;
uint64_t sensor_state_mask;
char current_ime[PATH_MAX_LENGTH];
bool input_alive;
int16_t analog_state[MAX_PADS][MAX_AXIS];
int8_t hat_state[MAX_PADS][2];
jmethodID getIntent;
jmethodID onRetroArchExit;
jmethodID getStringExtra;
jmethodID clearPendingIntent;
jmethodID hasPendingIntent;
jmethodID getPendingIntentConfigPath;
jmethodID getPendingIntentLibretroPath;
jmethodID getPendingIntentFullPath;
jmethodID getPendingIntentIME;
jmethodID getPendingIntentStorageLocation;
jmethodID getPendingIntentDownloadsLocation;
jmethodID getPendingIntentScreenshotsLocation;
};
enum
{
LOOPER_ID_MAIN = 1,
LOOPER_ID_INPUT,
LOOPER_ID_USER,
LOOPER_ID_INPUT_MSG
};
enum
{
APP_CMD_INPUT_CHANGED,
/**
* Command from main thread: a new ANativeWindow is ready for use. Upon
* receiving this command, android_app->window will contain the new window
* surface.
*/
APP_CMD_INIT_WINDOW,
/**
* Command from main thread: the existing ANativeWindow needs to be
* terminated. Upon receiving this command, android_app->window still
* contains the existing window; after calling android_app_exec_cmd
* it will be set to NULL.
*/
APP_CMD_TERM_WINDOW,
/**
* Command from main thread: the current ANativeWindow has been resized.
* Please redraw with its new size.
*/
APP_CMD_WINDOW_RESIZED,
/**
* Command from main thread: the system needs that the current ANativeWindow
* be redrawn. You should redraw the window before handing this to
* android_app_exec_cmd() in order to avoid transient drawing glitches.
*/
APP_CMD_WINDOW_REDRAW_NEEDED,
/**
* Command from main thread: the content area of the window has changed,
* such as from the soft input window being shown or hidden. You can
* find the new content rect in android_app::contentRect.
*/
APP_CMD_CONTENT_RECT_CHANGED,
/**
* Command from main thread: the app's activity window has gained
* input focus.
*/
APP_CMD_GAINED_FOCUS,
/**
* Command from main thread: the app's activity window has lost
* input focus.
*/
APP_CMD_LOST_FOCUS,
/**
* Command from main thread: the current device configuration has changed.
*/
APP_CMD_CONFIG_CHANGED,
/**
* Command from main thread: the system is running low on memory.
* Try to reduce your memory use.
*/
APP_CMD_LOW_MEMORY,
/**
* Command from main thread: the app's activity has been started.
*/
APP_CMD_START,
/**
* Command from main thread: the app's activity has been resumed.
*/
APP_CMD_RESUME,
/**
* Command from main thread: the app should generate a new saved state
* for itself, to restore from later if needed.
*/
APP_CMD_SAVE_STATE,
/**
* Command from main thread: the app's activity has been paused.
*/
APP_CMD_PAUSE,
/**
* Command from main thread: the app's activity has been stopped.
*/
APP_CMD_STOP,
/**
* Command from main thread: the app's activity is being destroyed,
* and waiting for the app thread to clean up and exit before proceeding.
*/
APP_CMD_DESTROY,
APP_CMD_REINIT_DONE
};
#define JNI_EXCEPTION(env) \
if ((*env)->ExceptionOccurred(env)) \
{ \
(*env)->ExceptionDescribe(env); \
(*env)->ExceptionClear(env); \
}
#define FIND_CLASS(env, var, classname) \
var = (*env)->FindClass(env, classname); \
JNI_EXCEPTION(env)
#define GET_OBJECT_CLASS(env, var, clazz_obj) \
var = (*env)->GetObjectClass(env, clazz_obj); \
JNI_EXCEPTION(env)
#define GET_FIELD_ID(env, var, clazz, fieldName, fieldDescriptor) \
var = (*env)->GetFieldID(env, clazz, fieldName, fieldDescriptor); \
JNI_EXCEPTION(env)
#define GET_METHOD_ID(env, var, clazz, methodName, fieldDescriptor) \
var = (*env)->GetMethodID(env, clazz, methodName, fieldDescriptor); \
JNI_EXCEPTION(env)
#define GET_STATIC_METHOD_ID(env, var, clazz, methodName, fieldDescriptor) \
var = (*env)->GetStaticMethodID(env, clazz, methodName, fieldDescriptor); \
JNI_EXCEPTION(env)
#define CALL_OBJ_METHOD(env, var, clazz_obj, methodId) \
var = (*env)->CallObjectMethod(env, clazz_obj, methodId); \
JNI_EXCEPTION(env)
#define CALL_OBJ_STATIC_METHOD(env, var, clazz, methodId) \
var = (*env)->CallStaticObjectMethod(env, clazz, methodId); \
JNI_EXCEPTION(env)
#define CALL_OBJ_STATIC_METHOD_PARAM(env, var, clazz, methodId, ...) \
var = (*env)->CallStaticObjectMethod(env, clazz, methodId, __VA_ARGS__); \
JNI_EXCEPTION(env)
#define CALL_OBJ_METHOD_PARAM(env, var, clazz_obj, methodId, ...) \
var = (*env)->CallObjectMethod(env, clazz_obj, methodId, __VA_ARGS__); \
JNI_EXCEPTION(env)
#define CALL_VOID_METHOD(env, clazz_obj, methodId) \
(*env)->CallVoidMethod(env, clazz_obj, methodId); \
JNI_EXCEPTION(env)
#define CALL_VOID_METHOD_PARAM(env, clazz_obj, methodId, ...) \
(*env)->CallVoidMethod(env, clazz_obj, methodId, __VA_ARGS__); \
JNI_EXCEPTION(env)
#define CALL_BOOLEAN_METHOD(env, var, clazz_obj, methodId) \
var = (*env)->CallBooleanMethod(env, clazz_obj, methodId); \
JNI_EXCEPTION(env)
#define CALL_DOUBLE_METHOD(env, var, clazz_obj, methodId) \
var = (*env)->CallDoubleMethod(env, clazz_obj, methodId); \
JNI_EXCEPTION(env)
#define CALL_INT_METHOD(env, var, clazz_obj, methodId) \
var = (*env)->CallIntMethod(env, clazz_obj, methodId); \
JNI_EXCEPTION(env)
extern JNIEnv *jni_thread_getenv(void);
void android_app_write_cmd(struct android_app *android_app, int8_t cmd);
extern struct android_app *g_android;
#else
#endif
#endif