8 #include <android/window.h>
9 #include "android_native_app_glue.h"
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);
19 static unsigned long get_time_msec(void);
20 static void hide_navbar(struct android_app *state);
22 struct android_app *app;
24 static EGLDisplay dpy;
25 static EGLSurface surf;
26 static EGLContext ctx;
27 static int init_done, paused;
29 static int width, height;
31 static long start_time;
34 void android_main(struct android_app *app_ptr)
38 app->onAppCmd = handle_command;
39 app->onInputEvent = handle_input;
45 printf("Running %d bit version\n", (int)sizeof(void*) << 3);
49 struct android_poll_source *pollsrc;
51 while(ALooper_pollAll(0, 0, &num_events, (void**)&pollsrc) >= 0) {
53 pollsrc->process(app, pollsrc);
57 if(app->destroyRequested) {
60 if(init_done && !paused) {
61 time_msec = (long)get_time_msec() - start_time;
63 eglSwapBuffers(dpy, surf);
68 void swap_buffers(void)
70 eglSwapBuffers(dpy, surf);
73 static void handle_command(struct android_app *app, int32_t cmd)
79 paused = 1; /* TODO: handle timers */
87 case APP_CMD_INIT_WINDOW:
88 ANativeActivity_setWindowFlags(app->activity, AWINDOW_FLAG_KEEP_SCREEN_ON, 0);
92 if(demo_init() == -1) {
95 demo_reshape(width, height);
96 start_time = (long)get_time_msec();
101 case APP_CMD_TERM_WINDOW:
107 case APP_CMD_WINDOW_RESIZED:
108 case APP_CMD_CONFIG_CHANGED:
109 xsz = ANativeWindow_getWidth(app->window);
110 ysz = ANativeWindow_getHeight(app->window);
111 if(xsz != width || ysz != height) {
112 printf("reshape(%d, %d)\n", xsz, ysz);
113 demo_reshape(xsz, ysz);
120 case APP_CMD_SAVE_STATE:
121 case APP_CMD_GAINED_FOCUS:
122 case APP_CMD_LOST_FOCUS:
129 static int handle_input(struct android_app *app, AInputEvent *ev)
131 int evtype = AInputEvent_getType(ev);
134 case AINPUT_EVENT_TYPE_MOTION:
135 return handle_touch_input(app, ev);
143 static int handle_touch_input(struct android_app *app, AInputEvent *ev)
145 int i, pcount, x, y, idx;
147 static int prev_pos[2];
149 action = AMotionEvent_getAction(ev);
151 idx = (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >>
152 AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
154 x = AMotionEvent_getX(ev, idx);
155 y = AMotionEvent_getY(ev, idx);
157 switch(action & AMOTION_EVENT_ACTION_MASK) {
158 case AMOTION_EVENT_ACTION_DOWN:
159 case AMOTION_EVENT_ACTION_POINTER_DOWN:
160 demo_mouse(0, 1, x, y);
166 case AMOTION_EVENT_ACTION_UP:
167 case AMOTION_EVENT_ACTION_POINTER_UP:
168 demo_mouse(0, 0, x, y);
174 case AMOTION_EVENT_ACTION_MOVE:
175 pcount = AMotionEvent_getPointerCount(ev);
176 for(i=0; i<pcount; i++) {
177 int id = AMotionEvent_getPointerId(ev, i);
194 static int init_gl(void)
196 static const int eglattr[] = {
197 EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
198 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
205 static const int ctxattr[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
210 dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
211 if(!dpy || !eglInitialize(dpy, 0, 0)) {
212 fprintf(stderr, "failed to initialize EGL\n");
217 if(!eglChooseConfig(dpy, eglattr, &eglcfg, 1, &count)) {
218 fprintf(stderr, "no matching EGL config found\n");
223 /* configure the native window visual according to the chosen EGL config */
224 eglGetConfigAttrib(dpy, &eglcfg, EGL_NATIVE_VISUAL_ID, &vis);
225 ANativeWindow_setBuffersGeometry(app->window, 0, 0, vis);
227 if(!(surf = eglCreateWindowSurface(dpy, eglcfg, app->window, 0))) {
228 fprintf(stderr, "failed to create window\n");
233 if(!(ctx = eglCreateContext(dpy, eglcfg, EGL_NO_CONTEXT, ctxattr))) {
234 fprintf(stderr, "failed to create OpenGL ES context\n");
238 eglMakeCurrent(dpy, surf, surf, ctx);
240 eglQuerySurface(dpy, surf, EGL_WIDTH, &width);
241 eglQuerySurface(dpy, surf, EGL_HEIGHT, &height);
245 static void destroy_gl(void)
249 eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
252 eglDestroyContext(dpy, ctx);
256 eglDestroySurface(dpy, surf);
264 static unsigned long get_time_msec(void)
267 static struct timespec ts0;
269 clock_gettime(CLOCK_MONOTONIC, &ts);
270 if(ts0.tv_sec == 0 && ts0.tv_nsec == 0) {
274 return (ts.tv_sec - ts0.tv_sec) * 1000 + (ts.tv_nsec - ts0.tv_nsec) / 1000000;
277 static void hide_navbar(struct android_app *state)
280 jclass cactivity, cwin, cview;
282 jmethodID get_window, get_decor_view, set_system_ui_visibility;
283 jfieldID field_flag_fs, field_flag_hidenav, field_flag_immersive;
284 int flag_fs, flag_hidenav, flag_immersive;
286 (*state->activity->vm)->AttachCurrentThread(state->activity->vm, &env, 0);
288 cactivity = (*env)->FindClass(env, "android/app/NativeActivity");
289 get_window = (*env)->GetMethodID(env, cactivity, "getWindow", "()Landroid/view/Window;");
291 cwin = (*env)->FindClass(env, "android/view/Window");
292 get_decor_view = (*env)->GetMethodID(env, cwin, "getDecorView", "()Landroid/view/View;");
294 cview = (*env)->FindClass(env, "android/view/View");
295 set_system_ui_visibility = (*env)->GetMethodID(env, cview, "setSystemUiVisibility", "(I)V");
297 win = (*env)->CallObjectMethod(env, state->activity->clazz, get_window);
298 view = (*env)->CallObjectMethod(env, win, get_decor_view);
300 field_flag_fs = (*env)->GetStaticFieldID(env, cview, "SYSTEM_UI_FLAG_FULLSCREEN", "I");
301 field_flag_hidenav = (*env)->GetStaticFieldID(env, cview, "SYSTEM_UI_FLAG_HIDE_NAVIGATION", "I");
302 field_flag_immersive = (*env)->GetStaticFieldID(env, cview, "SYSTEM_UI_FLAG_IMMERSIVE_STICKY", "I");
304 flag_fs = (*env)->GetStaticIntField(env, cview, field_flag_fs);
305 flag_hidenav = (*env)->GetStaticIntField(env, cview, field_flag_hidenav);
306 flag_immersive = (*env)->GetStaticIntField(env, cview, field_flag_immersive);
308 (*env)->CallVoidMethod(env, view, set_system_ui_visibility, flag_fs | flag_hidenav | flag_immersive);
310 (*state->activity->vm)->DetachCurrentThread(state->activity->vm);