RetroArch/android/native/jni/main.c
2012-11-02 04:13:35 +01:00

498 lines
16 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
* Copyright (C) 2011-2012 - Daniel De Matteis
*
* 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/>.
*/
#include <stdio.h>
#include <jni.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#include <sys/resource.h>
#include "android_general.h"
#include "../../../general.h"
#include "../../../performance.h"
static inline void android_app_write_cmd(struct android_app* android_app, int8_t cmd)
{
write(android_app->msgwrite, &cmd, sizeof(cmd)) != sizeof(cmd);
}
JNIEXPORT jint JNICALL JNI_OnLoad( JavaVM *vm, void *pvt)
{
return JNI_VERSION_1_2;
}
JNIEXPORT void JNICALL JNI_OnUnLoad( JavaVM *vm, void *pvt) { }
static void print_cur_config(struct android_app* android_app)
{
char lang[2], country[2];
AConfiguration_getLanguage(android_app->config, lang);
AConfiguration_getCountry(android_app->config, country);
/*
LOGV("Config: mcc=%d mnc=%d lang=%c%c cnt=%c%c orien=%d touch=%d dens=%d "
"keys=%d nav=%d keysHid=%d navHid=%d sdk=%d size=%d long=%d "
"modetype=%d modenight=%d",
AConfiguration_getMcc(android_app->config),
AConfiguration_getMnc(android_app->config),
lang[0], lang[1], country[0], country[1],
AConfiguration_getOrientation(android_app->config),
AConfiguration_getTouchscreen(android_app->config),
AConfiguration_getDensity(android_app->config),
AConfiguration_getKeyboard(android_app->config),
AConfiguration_getNavigation(android_app->config),
AConfiguration_getKeysHidden(android_app->config),
AConfiguration_getNavHidden(android_app->config),
AConfiguration_getSdkVersion(android_app->config),
AConfiguration_getScreenSize(android_app->config),
AConfiguration_getScreenLong(android_app->config),
AConfiguration_getUiModeType(android_app->config),
AConfiguration_getUiModeNight(android_app->config));
*/
}
/**
* Process the next main command.
*/
void engine_handle_cmd(struct android_app* android_app, int32_t cmd)
{
switch (cmd)
{
case APP_CMD_INPUT_CHANGED:
RARCH_LOG("engine_handle_cmd: APP_CMD_INPUT_CHANGED.\n");
pthread_mutex_lock(&android_app->mutex);
if (android_app->inputQueue != NULL)
AInputQueue_detachLooper(android_app->inputQueue);
android_app->inputQueue = android_app->pendingInputQueue;
if (android_app->inputQueue != NULL)
AInputQueue_attachLooper(android_app->inputQueue,
android_app->looper, LOOPER_ID_INPUT, NULL,
&android_app->inputPollSource);
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
break;
case APP_CMD_SAVE_STATE:
RARCH_LOG("engine_handle_cmd: APP_CMD_SAVE_STATE.\n");
// The system has asked us to save our current state. Do so.
break;
case APP_CMD_INIT_WINDOW:
RARCH_LOG("engine_handle_cmd: APP_CMD_INIT_WINDOW.\n");
// The window is being shown, get it ready.
pthread_mutex_lock(&android_app->mutex);
android_app->window = android_app->pendingWindow;
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
if (android_app->window != NULL)
g_android.window_inited = true;
break;
case APP_CMD_START:
RARCH_LOG("engine_handle_cmd: APP_CMD_START.\n");
pthread_mutex_lock(&android_app->mutex);
android_app->activityState = cmd;
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
break;
case APP_CMD_RESUME:
RARCH_LOG("engine_handle_cmd: APP_CMD_RESUME.\n");
pthread_mutex_lock(&android_app->mutex);
android_app->activityState = cmd;
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
break;
case APP_CMD_STOP:
RARCH_LOG("engine_handle_cmd: APP_CMD_STOP.\n");
pthread_mutex_lock(&android_app->mutex);
android_app->activityState = cmd;
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
break;
case APP_CMD_PAUSE:
RARCH_LOG("engine_handle_cmd: APP_CMD_PAUSE.\n");
pthread_mutex_lock(&android_app->mutex);
android_app->activityState = cmd;
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
g_android.init_quit = true;
break;
case APP_CMD_TERM_WINDOW:
RARCH_LOG("engine_handle_cmd: APP_CMD_TERM_WINDOW.\n");
// The window is being hidden or closed, clean it up.
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_lock(&android_app->mutex);
android_app->window = NULL;
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
break;
case APP_CMD_GAINED_FOCUS:
RARCH_LOG("engine_handle_cmd: APP_CMD_GAINED_FOCUS.\n");
// When our app gains focus, we start monitoring the accelerometer.
break;
case APP_CMD_LOST_FOCUS:
RARCH_LOG("engine_handle_cmd: APP_CMD_LOST_FOCUS.\n");
/*
if (!g_android.window_inited)
{
}
*/
break;
case APP_CMD_CONFIG_CHANGED:
RARCH_LOG("engine_handle_cmd: APP_CMD_CONFIG_CHANGED.\n");
AConfiguration_fromAssetManager(android_app->config,
android_app->activity->assetManager);
print_cur_config(android_app);
break;
case APP_CMD_DESTROY:
RARCH_LOG("engine_handle_cmd: APP_CMD_DESTROY.\n");
android_app->destroyRequested = 1;
break;
}
}
static void android_get_char_argv(char *argv, size_t sizeof_argv, const char *arg_name)
{
JNIEnv *env;
JavaVM *rarch_vm = g_android.app->activity->vm;
(*rarch_vm)->AttachCurrentThread(rarch_vm, &env, 0);
jobject me = g_android.app->activity->clazz;
jclass acl = (*env)->GetObjectClass(env, me); //class pointer of NativeActivity
jmethodID giid = (*env)->GetMethodID(env, acl, "getIntent", "()Landroid/content/Intent;");
jobject intent = (*env)->CallObjectMethod(env, me, giid); //Got our intent
jclass icl = (*env)->GetObjectClass(env, intent); //class pointer of Intent
jmethodID gseid = (*env)->GetMethodID(env, icl, "getStringExtra", "(Ljava/lang/String;)Ljava/lang/String;");
jstring jsParam1 = (*env)->CallObjectMethod(env, intent, gseid, (*env)->NewStringUTF(env, arg_name));
const char *test_argv = (*env)->GetStringUTFChars(env, jsParam1, 0);
strncpy(argv, test_argv, sizeof_argv);
(*env)->ReleaseStringUTFChars(env, jsParam1, test_argv);
(*rarch_vm)->DetachCurrentThread(rarch_vm);
}
#define MAX_ARGS 32
/**
* This is the main entry point of a native application that is using
* android_native_app_glue. It runs in its own thread, with its own
* event loop for receiving input events and doing other things.
*/
void android_main(struct android_app* state)
{
// Make sure glue isn't stripped.
app_dummy();
rarch_main_clear_state();
RARCH_LOG("Native Activity started.\n");
g_android.app = state;
struct android_app* android_app = g_android.app;
char rom_path[512];
char libretro_path[512];
// Get arguments */
android_get_char_argv(rom_path, sizeof(rom_path), "ROM");
android_get_char_argv(libretro_path, sizeof(libretro_path), "LIBRETRO");
RARCH_LOG("Checking arguments passed...\n");
RARCH_LOG("ROM Filename: [%s].\n", rom_path);
RARCH_LOG("Libretro path: [%s].\n", libretro_path);
/* ugly hack for now - hardcode libretro path to 'allowed' dir */
snprintf(libretro_path, sizeof(libretro_path), "/data/data/com.retroarch/lib/libretro.so");
int argc = 0;
char *argv[MAX_ARGS] = {NULL};
argv[argc++] = strdup("retroarch");
argv[argc++] = strdup(rom_path);
argv[argc++] = strdup("-L");
argv[argc++] = strdup(libretro_path);
argv[argc++] = strdup("-v");
g_extern.verbose = true;
while(!g_android.window_inited)
{
// Read all pending events.
int id;
// Block forever waiting for events.
while ((id = ALooper_pollOnce(0, NULL, 0, NULL)) >= 0)
{
// Process this event.
if (id)
{
int8_t cmd;
if (!read(android_app->msgread, &cmd, sizeof(cmd)) == sizeof(cmd))
cmd = -1;
engine_handle_cmd(android_app, cmd);
}
// Check if we are exiting.
if (android_app->destroyRequested != 0)
return;
}
}
RARCH_LOG("Starting RetroArch...\n");
rarch_main(argc, argv);
}
void app_dummy()
{
}
static void* android_app_entry(void* param)
{
struct android_app* android_app = (struct android_app*)param;
/* Init */
android_app->config = AConfiguration_new();
AConfiguration_fromAssetManager(android_app->config, android_app->activity->assetManager);
print_cur_config(android_app);
android_app->cmdPollSource = LOOPER_ID_MAIN;
android_app->inputPollSource = LOOPER_ID_INPUT;
ALooper* looper = ALooper_prepare(ALOOPER_PREPARE_ALLOW_NON_CALLBACKS);
ALooper_addFd(looper, android_app->msgread, LOOPER_ID_MAIN, ALOOPER_EVENT_INPUT, NULL,
&android_app->cmdPollSource);
android_app->looper = looper;
pthread_mutex_lock(&android_app->mutex);
android_app->running = 1;
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
/* Main function */
android_main(android_app);
/* Destroy */
pthread_mutex_lock(&android_app->mutex);
if (android_app->inputQueue != NULL)
AInputQueue_detachLooper(android_app->inputQueue);
AConfiguration_delete(android_app->config);
android_app->destroyed = 1;
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
// Can't touch android_app object after this.
return NULL;
}
// --------------------------------------------------------------------
// Native activity interaction (called from main thread)
// --------------------------------------------------------------------
static struct android_app* android_app_create(ANativeActivity* activity,
void* savedState, size_t savedStateSize)
{
struct android_app* android_app = (struct android_app*)malloc(sizeof(struct android_app));
memset(android_app, 0, sizeof(struct android_app));
android_app->activity = activity;
pthread_mutex_init(&android_app->mutex, NULL);
pthread_cond_init(&android_app->cond, NULL);
int msgpipe[2];
if (pipe(msgpipe))
return NULL;
android_app->msgread = msgpipe[0];
android_app->msgwrite = msgpipe[1];
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
pthread_create(&android_app->thread, &attr, android_app_entry, android_app);
// Wait for thread to start.
pthread_mutex_lock(&android_app->mutex);
while (!android_app->running)
pthread_cond_wait(&android_app->cond, &android_app->mutex);
pthread_mutex_unlock(&android_app->mutex);
return android_app;
}
static void android_app_set_input(struct android_app* android_app,
AInputQueue* inputQueue)
{
pthread_mutex_lock(&android_app->mutex);
android_app->pendingInputQueue = inputQueue;
android_app_write_cmd(android_app, APP_CMD_INPUT_CHANGED);
while (android_app->inputQueue != android_app->pendingInputQueue)
pthread_cond_wait(&android_app->cond, &android_app->mutex);
pthread_mutex_unlock(&android_app->mutex);
}
static void android_app_set_window(struct android_app* android_app, ANativeWindow* window)
{
pthread_mutex_lock(&android_app->mutex);
if (android_app->pendingWindow != NULL)
android_app_write_cmd(android_app, APP_CMD_TERM_WINDOW);
android_app->pendingWindow = window;
if (window != NULL)
android_app_write_cmd(android_app, APP_CMD_INIT_WINDOW);
while (android_app->window != android_app->pendingWindow)
pthread_cond_wait(&android_app->cond, &android_app->mutex);
pthread_mutex_unlock(&android_app->mutex);
}
static void android_app_set_activity_state(struct android_app* android_app, int8_t cmd)
{
pthread_mutex_lock(&android_app->mutex);
android_app_write_cmd(android_app, cmd);
while (android_app->activityState != cmd)
pthread_cond_wait(&android_app->cond, &android_app->mutex);
pthread_mutex_unlock(&android_app->mutex);
}
static void android_app_free(struct android_app* android_app)
{
pthread_mutex_lock(&android_app->mutex);
android_app_write_cmd(android_app, APP_CMD_DESTROY);
while (!android_app->destroyed)
pthread_cond_wait(&android_app->cond, &android_app->mutex);
pthread_mutex_unlock(&android_app->mutex);
close(android_app->msgread);
close(android_app->msgwrite);
pthread_cond_destroy(&android_app->cond);
pthread_mutex_destroy(&android_app->mutex);
free(android_app);
}
static void onDestroy(ANativeActivity* activity)
{
android_app_free((struct android_app*)activity->instance);
}
static void onStart(ANativeActivity* activity)
{
android_app_set_activity_state((struct android_app*)activity->instance, APP_CMD_START);
}
static void onResume(ANativeActivity* activity)
{
android_app_set_activity_state((struct android_app*)activity->instance, APP_CMD_RESUME);
}
static void* onSaveInstanceState(ANativeActivity* activity, size_t* outLen)
{
return NULL;
}
static void onPause(ANativeActivity* activity)
{
android_app_set_activity_state((struct android_app*)activity->instance, APP_CMD_PAUSE);
}
static void onStop(ANativeActivity* activity)
{
android_app_set_activity_state((struct android_app*)activity->instance, APP_CMD_STOP);
}
static void onConfigurationChanged(ANativeActivity* activity)
{
struct android_app* android_app = (struct android_app*)activity->instance;
android_app_write_cmd(android_app, APP_CMD_CONFIG_CHANGED);
}
static void onLowMemory(ANativeActivity* activity)
{
struct android_app* android_app = (struct android_app*)activity->instance;
android_app_write_cmd(android_app, APP_CMD_LOW_MEMORY);
}
static void onWindowFocusChanged(ANativeActivity* activity, int focused)
{
android_app_write_cmd((struct android_app*)activity->instance,
focused ? APP_CMD_GAINED_FOCUS : APP_CMD_LOST_FOCUS);
}
static void onNativeWindowCreated(ANativeActivity* activity, ANativeWindow* window)
{
android_app_set_window((struct android_app*)activity->instance, window);
}
static void onNativeWindowDestroyed(ANativeActivity* activity, ANativeWindow* window)
{
android_app_set_window((struct android_app*)activity->instance, NULL);
}
static void onInputQueueCreated(ANativeActivity* activity, AInputQueue* queue)
{
android_app_set_input((struct android_app*)activity->instance, queue);
}
static void onInputQueueDestroyed(ANativeActivity* activity, AInputQueue* queue)
{
android_app_set_input((struct android_app*)activity->instance, NULL);
}
void ANativeActivity_onCreate(ANativeActivity* activity, void* savedState,
size_t savedStateSize)
{
activity->callbacks->onDestroy = onDestroy;
activity->callbacks->onStart = onStart;
activity->callbacks->onResume = onResume;
activity->callbacks->onPause = onPause;
activity->callbacks->onStop = onStop;
activity->callbacks->onConfigurationChanged = onConfigurationChanged;
activity->callbacks->onLowMemory = onLowMemory;
activity->callbacks->onWindowFocusChanged = onWindowFocusChanged;
activity->callbacks->onNativeWindowCreated = onNativeWindowCreated;
activity->callbacks->onNativeWindowDestroyed = onNativeWindowDestroyed;
activity->callbacks->onInputQueueCreated = onInputQueueCreated;
activity->callbacks->onInputQueueDestroyed = onInputQueueDestroyed;
activity->instance = android_app_create(activity, savedState, savedStateSize);
}