istereo2: 643f4ab609a4 src/android/amain.c

istereo2

view src/android/amain.c @ 35:643f4ab609a4

added readme and license

author	John Tsiombikas <nuclear@member.fsf.org>
date	Sat, 31 Oct 2015 05:45:35 +0200
parents	900651a2f401
children

line source

1 #include <stdio.h>

2 #include <stdlib.h>

3 #include <assert.h>

4 #include <EGL/egl.h>

5 #include <jni.h>

6 #include "android_native_app_glue.h"

7 #include <android/window.h>

8 #include <android/sensor.h>

9 #include "logger.h"

10 #include "istereo.h"

12 struct android_app *app;

14 static void handle_command(struct android_app *app, int32_t cmd);

15 static int handle_input(struct android_app *app, AInputEvent *ev);

16 static int handle_touch_input(struct android_app *app, AInputEvent *ev);

17 static int init_gl(void);

18 static void destroy_gl(void);

20 static EGLDisplay dpy;

21 static EGLSurface surf;

22 static EGLContext ctx;

24 static int redisp_pending = 1; /* TODO stop busy-looping */

26 static int width, height;

27 static int init_done;

29 static JavaVM *jvm;

30 static JNIEnv *jni;

31 static jclass activity_class;

32 static jobject activity;

34 void android_main(struct android_app *app_ptr)

35 {

36 app_dummy();

37 app = app_ptr;

39 app->onAppCmd = handle_command;

40 app->onInputEvent = handle_input;

42 //ANativeActivity_setWindowFlags(app->activity, AWINDOW_FLAG_FULLSCREEN, 0);

44 start_logger();

46 jvm = app->activity->vm;

47 if((*jvm)->AttachCurrentThread(jvm, &jni, 0) != 0) {

48 fprintf(stderr, "failed to attach native thread to Java VM\n");

49 exit(1);

50 }

51 activity = app->activity->clazz;

52 activity_class = (*jni)->GetObjectClass(jni, app->activity->clazz);

54 for(;;) {

55 int num_events;

56 struct android_poll_source *pollsrc;

58 while(ALooper_pollAll(0, 0, &num_events, (void**)&pollsrc) >= 0) {

59 if(pollsrc) {

60 pollsrc->process(app, pollsrc);

61 }

62 }

64 if(app->destroyRequested) {

65 return;

66 }

68 if(init_done && redisp_pending) {

69 redraw();

70 eglSwapBuffers(dpy, surf);

71 }

72 }

73 }

75 void set_mouse_pos(int x, int y)

76 {

77 }

79 void set_mouse_cursor(int enable)

80 {

81 }

83 void ad_banner_show(void)

84 {

85 jmethodID method;

86 if(!jvm) return;

88 printf("ad_banner_show called\n");

90 if(!(method = (*jni)->GetMethodID(jni, activity_class, "show_ad", "()V"))) {

91 fprintf(stderr, "failed to retrieve MainActivity.show_ad method\n");

92 return;

93 }

94 (*jni)->CallVoidMethod(jni, activity, method);

95 }

97 void ad_banner_hide(void)

98 {

99 jmethodID method;

100 if(!jvm) return;

101

102 printf("ad_banner_hide called\n");

103

104 if(!(method = (*jni)->GetMethodID(jni, activity_class, "hide_ad", "()V"))) {

105 fprintf(stderr, "failed to retrieve MainActivity.hide_ad method\n");

106 return;

107 }

108 (*jni)->CallVoidMethod(jni, activity, method);

109 }

110

111 static void handle_command(struct android_app *app, int32_t cmd)

112 {

113 switch(cmd) {

114 case APP_CMD_SAVE_STATE:

115 /* save the application state to be reloaded on restart if needed */

116 break;

117

118 case APP_CMD_INIT_WINDOW:

119 printf("APP_CMD_INIT_WINDOW\n");

120 //ad_banner_show();

121

122 if(init_gl() == -1) {

123 exit(1);

124 }

125 /* initialize the application */

126 if(init() == -1) {

127 exit(1); /* initialization failed, quit */

128 }

129 reshape(width, height);

130 init_done = 1;

131 break;

132

133 case APP_CMD_TERM_WINDOW:

134 /* cleanup */

135 printf("APP_CMD_TERM_WINDOW\n");

136 init_done = 0;

137 cleanup();

138 destroy_gl();

139 break;

140

141 case APP_CMD_GAINED_FOCUS:

142 printf("APP_CMD_GAINED_FOCUS\n");

143 /* app focused */

144 break;

145

146 case APP_CMD_LOST_FOCUS:

147 printf("APP_CMD_LOST_FOCUS\n");

148 /* app lost focus */

149 break;

150

151 case APP_CMD_WINDOW_RESIZED:

152 case APP_CMD_CONFIG_CHANGED:

153 {

154 int nx = ANativeWindow_getWidth(app->window);

155 int ny = ANativeWindow_getHeight(app->window);

156 if(nx != width || ny != height) {

157 printf("reshape(%d, %d)\n", nx, ny);

158 reshape(nx, ny);

159 width = nx;

160 height = ny;

161 }

162 }

163 break;

164

165 default:

166 break;

167 }

168 }

169

170 static int handle_input(struct android_app *app, AInputEvent *ev)

171 {

172 int evtype = AInputEvent_getType(ev);

173

174 switch(evtype) {

175 case AINPUT_EVENT_TYPE_MOTION:

176 return handle_touch_input(app, ev);

177

178 default:

179 break;

180 }

181 return 0;

182 }

183

184 #define MAX_TOUCH_IDS 32

185

186 static int handle_touch_input(struct android_app *app, AInputEvent *ev)

187 {

188 int x, y, idx, touch_id;

189 unsigned int action;

190 static int prev_pos[MAX_TOUCH_IDS][2];

191

192 action = AMotionEvent_getAction(ev);

193

194 idx = (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >>

195 AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;

196 touch_id = AMotionEvent_getPointerId(ev, idx);

197

198 x = AMotionEvent_getX(ev, idx);

199 y = AMotionEvent_getY(ev, idx);

200

201 switch(action & AMOTION_EVENT_ACTION_MASK) {

202 case AMOTION_EVENT_ACTION_DOWN:

203 case AMOTION_EVENT_ACTION_POINTER_DOWN:

204 if(touch_id == 0) {

205 mouse_button(0, 1, x, y);

206 }

207 if(touch_id < MAX_TOUCH_IDS) {

208 prev_pos[touch_id][0] = x;

209 prev_pos[touch_id][1] = y;

210 }

211 break;

212

213 case AMOTION_EVENT_ACTION_UP:

214 case AMOTION_EVENT_ACTION_POINTER_UP:

215 if(touch_id == 0) {

216 mouse_button(0, 0, x, y);

217 }

218 if(touch_id < MAX_TOUCH_IDS) {

219 prev_pos[touch_id][0] = x;

220 prev_pos[touch_id][1] = y;

221 }

222 break;

223

224 case AMOTION_EVENT_ACTION_MOVE:

225 {

226 int i, pcount = AMotionEvent_getPointerCount(ev);

227 for(i=0; i<pcount; i++) {

228 int id = AMotionEvent_getPointerId(ev, i);

229 if(id < MAX_TOUCH_IDS && x != prev_pos[id][0] && y != prev_pos[id][1]) {

230 if(id == 0) {

231 mouse_motion(x, y);

232 }

233 prev_pos[id][0] = x;

234 prev_pos[id][1] = y;

235 }

236 }

237 }

238 break;

239

240 default:

241 break;

242 }

243

244 return 1;

245 }

246

247

248 static int init_gl(void)

249 {

250 static const int eglattr[] = {

251 EGL_SURFACE_TYPE, EGL_WINDOW_BIT,

252 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,

253 EGL_RED_SIZE, 5,

254 EGL_GREEN_SIZE, 5,

255 EGL_BLUE_SIZE, 5,

256 EGL_DEPTH_SIZE, 16,

257 EGL_NONE

258 };

259 static const int ctxattr[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };

260

261 EGLConfig eglcfg;

262 int count, vis;

263

264 dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);

265 if(!dpy || !eglInitialize(dpy, 0, 0)) {

266 fprintf(stderr, "failed to initialize EGL\n");

267 destroy_gl();

268 return -1;

269 }

270

271 if(!eglChooseConfig(dpy, eglattr, &eglcfg, 1, &count)) {

272 fprintf(stderr, "no matching EGL config found\n");

273 destroy_gl();

274 return -1;

275 }

276

277 /* configure the native window visual according to the chosen EGL config */

278 eglGetConfigAttrib(dpy, &eglcfg, EGL_NATIVE_VISUAL_ID, &vis);

279 ANativeWindow_setBuffersGeometry(app->window, 0, 0, vis);

280

281 if(!(surf = eglCreateWindowSurface(dpy, eglcfg, app->window, 0))) {

282 fprintf(stderr, "failed to create window\n");

283 destroy_gl();

284 return -1;

285 }

286

287 if(!(ctx = eglCreateContext(dpy, eglcfg, EGL_NO_CONTEXT, ctxattr))) {

288 fprintf(stderr, "failed to create OpenGL ES context\n");

289 destroy_gl();

290 return -1;

291 }

292 eglMakeCurrent(dpy, surf, surf, ctx);

293

294 eglQuerySurface(dpy, surf, EGL_WIDTH, &width);

295 eglQuerySurface(dpy, surf, EGL_HEIGHT, &height);

296 printf("initial reshape call: %dx%d\n", width, height);

297 reshape(width, height);

298

299 return 0;

300 }

301

302 static void destroy_gl(void)

303 {

304 if(!dpy) return;

305

306 eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);

307

308 if(ctx) {

309 eglDestroyContext(dpy, ctx);

310 ctx = 0;

311 }

312 if(surf) {

313 eglDestroySurface(dpy, surf);

314 surf = 0;

315 }

316

317 eglTerminate(dpy);

318 dpy = 0;

319 }