ndktest

annotate src/main.c @ 0:1310df7cdf25

find changesets by author, revision, files, or words in the commit message
initial commit
author John Tsiombikas <nuclear@member.fsf.org>
date Thu, 23 Apr 2015 20:54:02 +0300
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nuclear@0 1 #include <stdio.h>
nuclear@0 2 #include <stdlib.h>
nuclear@0 3 #include <string.h>
nuclear@0 4 #include <GLES/gl.h>
nuclear@0 5 #include <GLES/glext.h>
nuclear@0 6 #include <EGL/egl.h>
nuclear@0 7 #include <android_native_app_glue.h>
nuclear@0 8 #include "app.h"
nuclear@0 9 #include "logger.h"
nuclear@0 10
nuclear@0 11 static void handle_command(struct android_app *app, int32_t cmd);
nuclear@0 12 static int handle_input(struct android_app *app, AInputEvent *ev);
nuclear@0 13 static int handle_touch_input(struct android_app *app, AInputEvent *ev);
nuclear@0 14 static int init_gl(void);
nuclear@0 15 static void destroy_gl(void);
nuclear@0 16
nuclear@0 17 static struct android_app *app;
nuclear@0 18 static int win_width, win_height;
nuclear@0 19
nuclear@0 20 void android_main(struct android_app *app_ptr)
nuclear@0 21 {
nuclear@0 22 app_dummy();
nuclear@0 23 app = app_ptr;
nuclear@0 24
nuclear@0 25 app->onAppCmd = handle_command;
nuclear@0 26 app->onInputEvent = handle_input;
nuclear@0 27
nuclear@0 28 start_logger();
nuclear@0 29
nuclear@0 30 for(;;) {
nuclear@0 31 int num_events;
nuclear@0 32 struct android_poll_source *pollsrc;
nuclear@0 33
nuclear@0 34 while(ALooper_pollAll(0, 0, &num_events, (void**)&pollsrc) >= 0) {
nuclear@0 35 if(pollsrc) {
nuclear@0 36 pollsrc->process(app, pollsrc);
nuclear@0 37 }
nuclear@0 38 }
nuclear@0 39
nuclear@0 40 if(app->destroyRequested) {
nuclear@0 41 return;
nuclear@0 42 }
nuclear@0 43
nuclear@0 44 app_display();
nuclear@0 45 }
nuclear@0 46 }
nuclear@0 47
nuclear@0 48 static void handle_command(struct android_app *app, int32_t cmd)
nuclear@0 49 {
nuclear@0 50 switch(cmd) {
nuclear@0 51 case APP_CMD_SAVE_STATE:
nuclear@0 52 /* save the application state to be reloaded on restart if needed */
nuclear@0 53 break;
nuclear@0 54
nuclear@0 55 case APP_CMD_INIT_WINDOW:
nuclear@0 56 if(init_gl() == -1) {
nuclear@0 57 exit(1);
nuclear@0 58 }
nuclear@0 59 /* initialize the application */
nuclear@0 60 if(app_init() == -1) {
nuclear@0 61 exit(1); /* initialization failed, quit */
nuclear@0 62 }
nuclear@0 63 break;
nuclear@0 64
nuclear@0 65 case APP_CMD_TERM_WINDOW:
nuclear@0 66 /* cleanup */
nuclear@0 67 app_cleanup();
nuclear@0 68 destroy_gl();
nuclear@0 69 break;
nuclear@0 70
nuclear@0 71 case APP_CMD_GAINED_FOCUS:
nuclear@0 72 /* app focused */
nuclear@0 73 break;
nuclear@0 74
nuclear@0 75 case APP_CMD_LOST_FOCUS:
nuclear@0 76 /* app lost focus */
nuclear@0 77 break;
nuclear@0 78
nuclear@0 79 case APP_CMD_WINDOW_RESIZED:
nuclear@0 80 case APP_CMD_CONFIG_CHANGED:
nuclear@0 81 {
nuclear@0 82 int nx = ANativeWindow_getWidth(app->window);
nuclear@0 83 int ny = ANativeWindow_getHeight(app->window);
nuclear@0 84 if(nx != win_width || ny != win_height) {
nuclear@0 85 app_resize(nx, ny);
nuclear@0 86 win_width = nx;
nuclear@0 87 win_height = ny;
nuclear@0 88 }
nuclear@0 89 }
nuclear@0 90 break;
nuclear@0 91
nuclear@0 92 default:
nuclear@0 93 break;
nuclear@0 94 }
nuclear@0 95 }
nuclear@0 96
nuclear@0 97 static int handle_input(struct android_app *app, AInputEvent *ev)
nuclear@0 98 {
nuclear@0 99 int evtype = AInputEvent_getType(ev);
nuclear@0 100
nuclear@0 101 switch(evtype) {
nuclear@0 102 case AINPUT_EVENT_TYPE_MOTION:
nuclear@0 103 return handle_touch_input(app, ev);
nuclear@0 104
nuclear@0 105 default:
nuclear@0 106 break;
nuclear@0 107 }
nuclear@0 108 return 0;
nuclear@0 109 }
nuclear@0 110
nuclear@0 111 #define MAX_TOUCH_IDS 32
nuclear@0 112
nuclear@0 113 static int handle_touch_input(struct android_app *app, AInputEvent *ev)
nuclear@0 114 {
nuclear@0 115 int x, y, idx, touch_id;
nuclear@0 116 unsigned int action;
nuclear@0 117 static int prev_pos[MAX_TOUCH_IDS][2];
nuclear@0 118
nuclear@0 119 action = AMotionEvent_getAction(ev);
nuclear@0 120
nuclear@0 121 idx = (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >>
nuclear@0 122 AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
nuclear@0 123 touch_id = AMotionEvent_getPointerId(ev, idx);
nuclear@0 124
nuclear@0 125 x = AMotionEvent_getX(ev, idx);
nuclear@0 126 y = AMotionEvent_getY(ev, idx);
nuclear@0 127
nuclear@0 128 switch(action & AMOTION_EVENT_ACTION_MASK) {
nuclear@0 129 case AMOTION_EVENT_ACTION_DOWN:
nuclear@0 130 case AMOTION_EVENT_ACTION_POINTER_DOWN:
nuclear@0 131 app_touch(touch_id, 1, x, y);
nuclear@0 132 if(touch_id < MAX_TOUCH_IDS) {
nuclear@0 133 prev_pos[touch_id][0] = x;
nuclear@0 134 prev_pos[touch_id][1] = y;
nuclear@0 135 }
nuclear@0 136 break;
nuclear@0 137
nuclear@0 138 case AMOTION_EVENT_ACTION_UP:
nuclear@0 139 case AMOTION_EVENT_ACTION_POINTER_UP:
nuclear@0 140 app_touch(touch_id, 0, x, y);
nuclear@0 141 if(touch_id < MAX_TOUCH_IDS) {
nuclear@0 142 prev_pos[touch_id][0] = x;
nuclear@0 143 prev_pos[touch_id][1] = y;
nuclear@0 144 }
nuclear@0 145 break;
nuclear@0 146
nuclear@0 147 case AMOTION_EVENT_ACTION_MOVE:
nuclear@0 148 {
nuclear@0 149 int i, pcount = AMotionEvent_getPointerCount(ev);
nuclear@0 150 for(i=0; i<pcount; i++) {
nuclear@0 151 int id = AMotionEvent_getPointerId(ev, i);
nuclear@0 152 if(id < MAX_TOUCH_IDS && x != prev_pos[id][0] && y != prev_pos[id][1]) {
nuclear@0 153 app_drag(id, x, y);
nuclear@0 154 prev_pos[id][0] = x;
nuclear@0 155 prev_pos[id][1] = y;
nuclear@0 156 }
nuclear@0 157 }
nuclear@0 158 }
nuclear@0 159 break;
nuclear@0 160
nuclear@0 161 default:
nuclear@0 162 break;
nuclear@0 163 }
nuclear@0 164
nuclear@0 165 return 1;
nuclear@0 166 }
nuclear@0 167
nuclear@0 168
nuclear@0 169 static int init_gl(void)
nuclear@0 170 {
nuclear@0 171 static const int eglattr[] = {
nuclear@0 172 EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
nuclear@0 173 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT,
nuclear@0 174 EGL_RED_SIZE, 5,
nuclear@0 175 EGL_GREEN_SIZE, 5,
nuclear@0 176 EGL_BLUE_SIZE, 5,
nuclear@0 177 EGL_DEPTH_SIZE, 16,
nuclear@0 178 EGL_NONE
nuclear@0 179 };
nuclear@0 180 static const int ctxattr[] = { EGL_CONTEXT_CLIENT_VERSION, 1, EGL_NONE };
nuclear@0 181
nuclear@0 182 EGLConfig eglcfg;
nuclear@0 183 int count, vis;
nuclear@0 184
nuclear@0 185 dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
nuclear@0 186 if(!dpy || !eglInitialize(dpy, 0, 0)) {
nuclear@0 187 fprintf(stderr, "failed to initialize EGL\n");
nuclear@0 188 destroy_gl();
nuclear@0 189 return -1;
nuclear@0 190 }
nuclear@0 191
nuclear@0 192 if(!eglChooseConfig(dpy, eglattr, &eglcfg, 1, &count)) {
nuclear@0 193 fprintf(stderr, "no matching EGL config found\n");
nuclear@0 194 destroy_gl();
nuclear@0 195 return -1;
nuclear@0 196 }
nuclear@0 197
nuclear@0 198 /* configure the native window visual according to the chosen EGL config */
nuclear@0 199 eglGetConfigAttrib(dpy, &eglcfg, EGL_NATIVE_VISUAL_ID, &vis);
nuclear@0 200 ANativeWindow_setBuffersGeometry(app->window, 0, 0, vis);
nuclear@0 201
nuclear@0 202 if(!(surf = eglCreateWindowSurface(dpy, eglcfg, app->window, 0))) {
nuclear@0 203 fprintf(stderr, "failed to create window\n");
nuclear@0 204 destroy_gl();
nuclear@0 205 return -1;
nuclear@0 206 }
nuclear@0 207
nuclear@0 208 if(!(ctx = eglCreateContext(dpy, eglcfg, EGL_NO_CONTEXT, ctxattr))) {
nuclear@0 209 fprintf(stderr, "failed to create OpenGL ES context\n");
nuclear@0 210 destroy_gl();
nuclear@0 211 return -1;
nuclear@0 212 }
nuclear@0 213 eglMakeCurrent(dpy, surf, surf, ctx);
nuclear@0 214
nuclear@0 215 eglQuerySurface(dpy, surf, EGL_WIDTH, &win_width);
nuclear@0 216 eglQuerySurface(dpy, surf, EGL_HEIGHT, &win_height);
nuclear@0 217 app_resize(win_width, win_height);
nuclear@0 218
nuclear@0 219 return 0;
nuclear@0 220 }
nuclear@0 221
nuclear@0 222 static void destroy_gl(void)
nuclear@0 223 {
nuclear@0 224 if(!dpy) return;
nuclear@0 225
nuclear@0 226 eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
nuclear@0 227
nuclear@0 228 if(ctx) {
nuclear@0 229 eglDestroyContext(dpy, ctx);
nuclear@0 230 ctx = 0;
nuclear@0 231 }
nuclear@0 232 if(surf) {
nuclear@0 233 eglDestroySurface(dpy, surf);
nuclear@0 234 surf = 0;
nuclear@0 235 }
nuclear@0 236
nuclear@0 237 eglTerminate(dpy);
nuclear@0 238 dpy = 0;
nuclear@0 239 }
nuclear@0 240