filename | src/gui_android.c |
changeset | 1245:01e0020adf88 |
prev | 1241:74f8e11ab4b8 |
next | 1253:5aa14eeaad5a |
author | nkeynes |
date | Sat Mar 03 16:06:58 2012 +1000 (12 years ago) |
permissions | -rw-r--r-- |
last change | Fully clean the android part before building it - dependencies don't seem to work properly. Add install-adb rule for convenience |
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1 /**
2 * $Id$
3 *
4 * Native shims for the Android front-end (implemented in Java).
5 *
6 * This is complicated by the fact that all the emulation runs in a
7 * separate thread.
8 *
9 * Copyright (c) 2012 Nathan Keynes.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 */
22 #include <jni.h>
23 #include <pthread.h>
24 #include <android/log.h>
25 #include <android/native_window_jni.h>
26 #include <libisofs.h>
27 #include "dream.h"
28 #include "dreamcast.h"
29 #include "gui.h"
30 #include "config.h"
31 #include "lxpaths.h"
32 #include "tqueue.h"
33 #include "display.h"
34 #include "gdlist.h"
35 #include "gdrom/gdrom.h"
36 #include "hotkeys.h"
37 #include "serial.h"
38 #include "aica/audio.h"
39 #include "drivers/video_egl.h"
40 #include "maple/maple.h"
41 #include "vmu/vmulist.h"
43 struct surface_info {
44 ANativeWindow *win;
45 int width, height, format;
46 };
48 static struct surface_info current_surface;
49 static const char *appHome = NULL;
51 /**
52 * Count of running nanoseconds - used to cut back on the GUI runtime
53 */
54 static uint32_t android_gui_nanos = 0;
55 static uint32_t android_gui_ticks = 0;
56 static struct timeval android_gui_lasttv;
59 void android_gui_start( void )
60 {
61 /* Dreamcast starting up hook */
62 }
64 void android_gui_stop( void )
65 {
66 /* Dreamcast stopping hook */
67 }
69 void android_gui_reset( void )
70 {
71 /* Dreamcast reset hook */
72 }
74 /**
75 * The main emulation thread. (as opposed to the UI thread).
76 */
77 void *android_thread_main(void *data)
78 {
79 while(1) {
80 tqueue_process_wait();
81 }
82 return NULL;
83 }
85 int android_set_surface(void *data)
86 {
87 struct surface_info *surface = (struct surface_info *)data;
88 video_egl_set_window(surface->win, surface->width, surface->height, surface->format);
89 return 0;
90 }
92 int android_clear_surface(void *data)
93 {
94 struct surface_info *surface = (struct surface_info *)data;
96 if( dreamcast_is_running() ) {
97 dreamcast_stop();
98 }
99 video_egl_clear_window();
100 ANativeWindow_release(surface->win);
101 surface->win = NULL;
102 return 0;
103 }
105 static pthread_t dreamcast_thread;
107 void android_start_thread()
108 {
109 pthread_attr_t attr;
111 pthread_attr_init(&attr);
112 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
113 int status = pthread_create(&dreamcast_thread, &attr, android_thread_main, NULL);
114 if( status != 0 ) {
115 /* Handle errors */
116 }
117 }
119 /** tqueue callback wrapper to get the right call type for simple events */
120 int android_callback_wrapper( void *fn )
121 {
122 void (*cast_fn)(void) = fn;
123 cast_fn();
124 }
126 int android_mount_disc( void *data )
127 {
128 char *s = (char *)data;
129 ERROR err;
130 gboolean result = gdrom_mount_image( s, &err ); /* TODO: Report error */
131 return result;
132 }
134 int android_toggle_run( void *data )
135 {
136 if( dreamcast_is_running() ) {
137 dreamcast_stop();
138 } else {
139 dreamcast_run();
140 }
141 }
143 uint32_t android_gui_run_slice( uint32_t nanosecs )
144 {
145 android_gui_nanos += nanosecs;
146 if( android_gui_nanos > GUI_TICK_PERIOD ) { /* 10 ms */
147 android_gui_nanos -= GUI_TICK_PERIOD;
148 android_gui_ticks ++;
149 uint32_t current_period = android_gui_ticks * GUI_TICK_PERIOD;
151 // Run the event loop
152 tqueue_process_all();
154 struct timeval tv;
155 gettimeofday(&tv,NULL);
156 uint32_t ns = ((tv.tv_sec - android_gui_lasttv.tv_sec) * 1000000000) +
157 (tv.tv_usec - android_gui_lasttv.tv_usec)*1000;
158 if( (ns * 1.05) < current_period ) {
159 // We've gotten ahead - sleep for a little bit
160 struct timespec tv;
161 tv.tv_sec = 0;
162 tv.tv_nsec = current_period - ns;
163 nanosleep(&tv, &tv);
164 }
166 #if 0
167 /* Update the display every 10 ticks (ie 10 times a second) and
168 * save the current tv value */
169 if( android_gui_ticks > 10 ) {
170 android_gui_ticks -= 10;
172 double speed = (float)( (double)current_period * 100.0 / ns );
173 android_gui_lasttv.tv_sec = tv.tv_sec;
174 android_gui_lasttv.tv_usec = tv.tv_usec;
175 main_window_set_speed( main_win, speed );
176 }
177 #endif
178 }
179 return nanosecs;
182 }
184 struct dreamcast_module android_gui_module = { "gui", NULL,
185 android_gui_reset,
186 android_gui_start,
187 android_gui_run_slice,
188 android_gui_stop,
189 NULL, NULL };
191 gboolean gui_error_dialog( const char *fmt, ... )
192 {
193 return FALSE; /* TODO */
194 }
196 void gui_update_state()
197 {
198 /* TODO */
199 }
201 void gui_set_use_grab( gboolean grab )
202 {
203 /* No implementation - mouse grab doesn't exist */
204 }
206 void gui_update_io_activity( io_activity_type activity, gboolean active )
207 {
208 /* No implementation */
209 }
211 void gui_do_later( do_later_callback_t func )
212 {
213 func(); /* TODO */
214 }
216 static void android_init( const char *appHomeDir )
217 {
218 set_global_log_level("info");
219 appHome = appHomeDir;
220 const char *confFile = g_strdup_printf("%s/lxdreamrc", appHome);
221 set_user_data_path(appHome);
222 lxdream_set_config_filename( confFile );
223 lxdream_make_config_dir( );
224 lxdream_load_config( );
225 iso_init();
226 gdrom_list_init();
227 vmulist_init();
228 dreamcast_init(1);
230 dreamcast_register_module( &android_gui_module );
231 audio_init_driver(NULL);
232 display_driver_t display_driver = get_display_driver_by_name(NULL);
233 display_set_driver(display_driver);
235 hotkeys_init();
236 serial_init();
237 maple_reattach_all();
238 INFO( "%s! ready...", APP_NAME );
239 android_start_thread();
240 }
243 /************************* Dreamcast native entry points **************************/
245 static char *getStringChars( JNIEnv *env, jstring str );
247 /**
248 * Main initialization entry point. We need to do all the setup that main()
249 * would normally do, as well as any UI specific setup.
250 */
251 JNIEXPORT void JNICALL Java_org_lxdream_Dreamcast_init(JNIEnv * env, jclass obj, jstring homeDir )
252 {
253 android_init( getStringChars(env, homeDir) );
254 }
256 JNIEXPORT void JNICALL Java_org_lxdream_Dreamcast_run(JNIEnv * env, jclass obj)
257 {
258 tqueue_post_message( android_callback_wrapper, dreamcast_run );
259 }
261 JNIEXPORT void JNICALL Java_org_lxdream_Dreamcast_toggleRun(JNIEnv * env, jclass obj)
262 {
263 tqueue_post_message( android_toggle_run, NULL );
264 }
266 JNIEXPORT void JNICALL Java_org_lxdream_Dreamcast_reset(JNIEnv * env, jclass obj)
267 {
268 tqueue_post_message( android_callback_wrapper, dreamcast_reset );
269 }
271 JNIEXPORT void JNICALL Java_org_lxdream_Dreamcast_stop(JNIEnv * env, jclass obj)
272 {
273 /* Need to make sure this completely shuts down before we return */
274 tqueue_send_message( android_callback_wrapper, dreamcast_stop );
275 }
277 JNIEXPORT jboolean JNICALL Java_org_lxdream_Dreamcast_isRunning(JNIEnv *env, jclass obj)
278 {
279 return dreamcast_is_running();
280 }
282 JNIEXPORT jboolean JNICALL Java_org_lxdream_Dreamcast_isRunnable(JNIEnv *env, jclass obj)
283 {
284 return dreamcast_can_run();
285 }
287 JNIEXPORT jboolean JNICALL Java_org_lxdream_Dreamcast_mount(JNIEnv *env, jclass obj, jstring str)
288 {
289 char *s = getStringChars(env, str);
290 return tqueue_send_message( android_mount_disc, s );
291 }
293 JNIEXPORT jboolean JNICALL Java_org_lxdream_Dreamcast_unmount(JNIEnv *env, jclass obj)
294 {
295 tqueue_post_message( android_callback_wrapper, gdrom_unmount_disc );
296 }
299 /************************* LxdreamView native entry points **************************/
301 JNIEXPORT void JNICALL Java_org_lxdream_LxdreamView_setSurface(JNIEnv * env, jobject view, jobject surface, jint width, jint height)
302 {
303 current_surface.win = ANativeWindow_fromSurface(env, surface);
304 current_surface.width = width;
305 current_surface.height = height;
306 int fmt = ANativeWindow_getFormat(current_surface.win);
307 if( fmt == WINDOW_FORMAT_RGB_565 ) {
308 current_surface.format = COLFMT_RGB565;
309 } else {
310 current_surface.format = COLFMT_RGB888;
311 }
312 tqueue_post_message( android_set_surface, ¤t_surface );
313 }
315 JNIEXPORT void JNICALL Java_org_lxdream_LxdreamView_clearSurface(JNIEnv * env, jobject view, jobject surface)
316 {
317 /* Need to make sure this completely shuts down before we return */
318 tqueue_send_message( android_clear_surface, ¤t_surface );
319 }
322 /************************* JNI Support functions **************************/
324 static char *getStringChars( JNIEnv *env, jstring str )
325 {
326 jboolean iscopy;
327 const char *p = (*env)->GetStringUTFChars(env, str, &iscopy);
328 char *result = strdup(p);
329 (*env)->ReleaseStringUTFChars(env,str,p);
330 return result;
331 }
.