istereo2: 900651a2f401 src/android/amain.c

istereo2

view src/android/amain.c @ 30:900651a2f401

foo

author	John Tsiombikas <nuclear@member.fsf.org>
date	Thu, 08 Oct 2015 06:54:18 +0300
parents	c6c45fa9658d
children	48a0660bac82

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

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

90 return;

91 }

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

93 }

95 void ad_banner_hide(void)

96 {

97 jmethodID method;

98 if(!jvm) return;

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

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

102 return;

103 }

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

105 }

106

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

108 {

109 switch(cmd) {

110 case APP_CMD_SAVE_STATE:

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

112 break;

113

114 case APP_CMD_INIT_WINDOW:

115 printf("APP_CMD_INIT_WINDOW\n");

116 ad_banner_show();

117

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

119 exit(1);

120 }

121 /* initialize the application */

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

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

124 }

125 reshape(width, height);

126 init_done = 1;

127 break;

128

129 case APP_CMD_TERM_WINDOW:

130 /* cleanup */

131 printf("APP_CMD_TERM_WINDOW\n");

132 init_done = 0;

133 cleanup();

134 destroy_gl();

135 break;

136

137 case APP_CMD_GAINED_FOCUS:

138 printf("APP_CMD_GAINED_FOCUS\n");

139 /* app focused */

140 break;

141

142 case APP_CMD_LOST_FOCUS:

143 printf("APP_CMD_LOST_FOCUS\n");

144 /* app lost focus */

145 break;

146

147 case APP_CMD_WINDOW_RESIZED:

148 case APP_CMD_CONFIG_CHANGED:

149 {

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

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

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

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

154 reshape(nx, ny);

155 width = nx;

156 height = ny;

157 }

158 }

159 break;

160

161 default:

162 break;

163 }

164 }

165

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

167 {

168 int evtype = AInputEvent_getType(ev);

169

170 switch(evtype) {

171 case AINPUT_EVENT_TYPE_MOTION:

172 return handle_touch_input(app, ev);

173

174 default:

175 break;

176 }

177 return 0;

178 }

179

180 #define MAX_TOUCH_IDS 32

181

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

183 {

184 int x, y, idx, touch_id;

185 unsigned int action;

186 static int prev_pos[MAX_TOUCH_IDS][2];

187

188 action = AMotionEvent_getAction(ev);

189

190 idx = (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >>

191 AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;

192 touch_id = AMotionEvent_getPointerId(ev, idx);

193

194 x = AMotionEvent_getX(ev, idx);

195 y = AMotionEvent_getY(ev, idx);

196

197 switch(action & AMOTION_EVENT_ACTION_MASK) {

198 case AMOTION_EVENT_ACTION_DOWN:

199 case AMOTION_EVENT_ACTION_POINTER_DOWN:

200 if(touch_id == 0) {

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

202 }

203 if(touch_id < MAX_TOUCH_IDS) {

204 prev_pos[touch_id][0] = x;

205 prev_pos[touch_id][1] = y;

206 }

207 break;

208

209 case AMOTION_EVENT_ACTION_UP:

210 case AMOTION_EVENT_ACTION_POINTER_UP:

211 if(touch_id == 0) {

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

213 }

214 if(touch_id < MAX_TOUCH_IDS) {

215 prev_pos[touch_id][0] = x;

216 prev_pos[touch_id][1] = y;

217 }

218 break;

219

220 case AMOTION_EVENT_ACTION_MOVE:

221 {

222 int i, pcount = AMotionEvent_getPointerCount(ev);

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

224 int id = AMotionEvent_getPointerId(ev, i);

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

226 if(id == 0) {

227 mouse_motion(x, y);

228 }

229 prev_pos[id][0] = x;

230 prev_pos[id][1] = y;

231 }

232 }

233 }

234 break;

235

236 default:

237 break;

238 }

239

240 return 1;

241 }

242

243

244 static int init_gl(void)

245 {

246 static const int eglattr[] = {

247 EGL_SURFACE_TYPE, EGL_WINDOW_BIT,

248 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,

249 EGL_RED_SIZE, 5,

250 EGL_GREEN_SIZE, 5,

251 EGL_BLUE_SIZE, 5,

252 EGL_DEPTH_SIZE, 16,

253 EGL_NONE

254 };

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

256

257 EGLConfig eglcfg;

258 int count, vis;

259

260 dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);

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

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

263 destroy_gl();

264 return -1;

265 }

266

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

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

269 destroy_gl();

270 return -1;

271 }

272

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

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

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

276

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

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

279 destroy_gl();

280 return -1;

281 }

282

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

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

285 destroy_gl();

286 return -1;

287 }

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

289

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

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

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

293 reshape(width, height);

294

295 return 0;

296 }

297

298 static void destroy_gl(void)

299 {

300 if(!dpy) return;

301

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

303

304 if(ctx) {

305 eglDestroyContext(dpy, ctx);

306 ctx = 0;

307 }

308 if(surf) {

309 eglDestroySurface(dpy, surf);

310 surf = 0;

311 }

312

313 eglTerminate(dpy);

314 dpy = 0;

315 }