istereo2: 74b50b538858 src/android/amain.c

istereo2

view src/android/amain.c @ 28:74b50b538858

added nexus7 device id for ad testing

author	John Tsiombikas <nuclear@member.fsf.org>
date	Mon, 05 Oct 2015 17:16:31 +0300
parents	9d53a4938ce8
children	c6c45fa9658d

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;

33 void android_main(struct android_app *app_ptr)

34 {

35 app_dummy();

36 app = app_ptr;

38 app->onAppCmd = handle_command;

39 app->onInputEvent = handle_input;

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

43 start_logger();

45 jvm = app->activity->vm;

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

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

48 exit(1);

49 }

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

52 for(;;) {

53 int num_events;

54 struct android_poll_source *pollsrc;

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

57 if(pollsrc) {

58 pollsrc->process(app, pollsrc);

59 }

60 }

62 if(app->destroyRequested) {

63 return;

64 }

66 if(init_done && redisp_pending) {

67 redraw();

68 eglSwapBuffers(dpy, surf);

69 }

70 }

71 }

73 void set_mouse_pos(int x, int y)

74 {

75 }

77 void set_mouse_cursor(int enable)

78 {

79 }

81 /* TODO */

82 void ad_banner_show(void)

83 {

84 jmethodID method;

85 if(!jvm) return;

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

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

89 return;

90 }

91 (*jni)->CallVoidMethod(jni, activity_class, method);

92 }

94 void ad_banner_hide(void)

95 {

96 jmethodID method;

97 if(!jvm) return;

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

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

101 return;

102 }

103 (*jni)->CallVoidMethod(jni, activity_class, method);

104 }

105

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

107 {

108 switch(cmd) {

109 case APP_CMD_SAVE_STATE:

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

111 break;

112

113 case APP_CMD_INIT_WINDOW:

114 printf("APP_CMD_INIT_WINDOW\n");

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

116 exit(1);

117 }

118 /* initialize the application */

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

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

121 }

122 reshape(width, height);

123 init_done = 1;

124 break;

125

126 case APP_CMD_TERM_WINDOW:

127 /* cleanup */

128 printf("APP_CMD_TERM_WINDOW\n");

129 init_done = 0;

130 cleanup();

131 destroy_gl();

132 break;

133

134 case APP_CMD_GAINED_FOCUS:

135 printf("APP_CMD_GAINED_FOCUS\n");

136 /* app focused */

137 break;

138

139 case APP_CMD_LOST_FOCUS:

140 printf("APP_CMD_LOST_FOCUS\n");

141 /* app lost focus */

142 break;

143

144 case APP_CMD_WINDOW_RESIZED:

145 case APP_CMD_CONFIG_CHANGED:

146 {

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

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

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

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

151 reshape(nx, ny);

152 width = nx;

153 height = ny;

154 }

155 }

156 break;

157

158 default:

159 break;

160 }

161 }

162

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

164 {

165 int evtype = AInputEvent_getType(ev);

166

167 switch(evtype) {

168 case AINPUT_EVENT_TYPE_MOTION:

169 return handle_touch_input(app, ev);

170

171 default:

172 break;

173 }

174 return 0;

175 }

176

177 #define MAX_TOUCH_IDS 32

178

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

180 {

181 int x, y, idx, touch_id;

182 unsigned int action;

183 static int prev_pos[MAX_TOUCH_IDS][2];

184

185 action = AMotionEvent_getAction(ev);

186

187 idx = (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >>

188 AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;

189 touch_id = AMotionEvent_getPointerId(ev, idx);

190

191 x = AMotionEvent_getX(ev, idx);

192 y = AMotionEvent_getY(ev, idx);

193

194 switch(action & AMOTION_EVENT_ACTION_MASK) {

195 case AMOTION_EVENT_ACTION_DOWN:

196 case AMOTION_EVENT_ACTION_POINTER_DOWN:

197 if(touch_id == 0) {

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

199 }

200 if(touch_id < MAX_TOUCH_IDS) {

201 prev_pos[touch_id][0] = x;

202 prev_pos[touch_id][1] = y;

203 }

204 break;

205

206 case AMOTION_EVENT_ACTION_UP:

207 case AMOTION_EVENT_ACTION_POINTER_UP:

208 if(touch_id == 0) {

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

210 }

211 if(touch_id < MAX_TOUCH_IDS) {

212 prev_pos[touch_id][0] = x;

213 prev_pos[touch_id][1] = y;

214 }

215 break;

216

217 case AMOTION_EVENT_ACTION_MOVE:

218 {

219 int i, pcount = AMotionEvent_getPointerCount(ev);

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

221 int id = AMotionEvent_getPointerId(ev, i);

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

223 if(id == 0) {

224 mouse_motion(x, y);

225 }

226 prev_pos[id][0] = x;

227 prev_pos[id][1] = y;

228 }

229 }

230 }

231 break;

232

233 default:

234 break;

235 }

236

237 return 1;

238 }

239

240

241 static int init_gl(void)

242 {

243 static const int eglattr[] = {

244 EGL_SURFACE_TYPE, EGL_WINDOW_BIT,

245 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,

246 EGL_RED_SIZE, 5,

247 EGL_GREEN_SIZE, 5,

248 EGL_BLUE_SIZE, 5,

249 EGL_DEPTH_SIZE, 16,

250 EGL_NONE

251 };

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

253

254 EGLConfig eglcfg;

255 int count, vis;

256

257 dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);

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

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

260 destroy_gl();

261 return -1;

262 }

263

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

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

266 destroy_gl();

267 return -1;

268 }

269

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

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

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

273

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

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

276 destroy_gl();

277 return -1;

278 }

279

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

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

282 destroy_gl();

283 return -1;

284 }

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

286

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

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

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

290 reshape(width, height);

291

292 return 0;

293 }

294

295 static void destroy_gl(void)

296 {

297 if(!dpy) return;

298

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

300

301 if(ctx) {

302 eglDestroyContext(dpy, ctx);

303 ctx = 0;

304 }

305 if(surf) {

306 eglDestroySurface(dpy, surf);

307 surf = 0;

308 }

309

310 eglTerminate(dpy);

311 dpy = 0;

312 }