+#include <stdio.h>
+#include <stdlib.h>
#include <EGL/egl.h>
#include <GLES2/gl2.h>
#include "demo.h"
#include "android_native_app_glue.h"
+static void handle_command(struct android_app *app, int32_t cmd);
+static int handle_input(struct android_app *app, AInputEvent *ev);
+static int handle_touch_input(struct android_app *app, AInputEvent *ev);
+static int init_gl(void);
+static void destroy_gl(void);
+
static struct android_app *app;
static EGLDisplay dpy;
static EGLSurface surf;
static EGLContext ctx;
+static int running;
+
+static int width, height;
+
void android_main(struct android_app *app_ptr)
{
- app_dummy();
app = app_ptr;
app->onAppCmd = handle_command;
while(ALooper_pollAll(0, 0, &num_events, (void**)&pollsrc) >= 0) {
if(pollsrc) {
- pollsrc->process(ap, pollsrc);
+ pollsrc->process(app, pollsrc);
}
}
if(app->destroyRequested) {
return;
}
- if(!paused) {
+ if(running) {
demo_display();
eglSwapBuffers(dpy, surf);
}
}
}
+
+static void handle_command(struct android_app *app, int32_t cmd)
+{
+ int xsz, ysz;
+
+ switch(cmd) {
+ case APP_CMD_PAUSE:
+ running = 0; /* TODO: handle timers */
+ break;
+ case APP_CMD_RESUME:
+ running = 1;
+ break;
+
+ case APP_CMD_INIT_WINDOW:
+ if(init_gl() == -1) {
+ exit(1);
+ }
+ if(demo_init() == -1) {
+ exit(1);
+ }
+ demo_reshape(width, height);
+ running = 1;
+ break;
+
+ case APP_CMD_TERM_WINDOW:
+ running = 0;
+ demo_cleanup();
+ destroy_gl();
+ break;
+
+ case APP_CMD_WINDOW_RESIZED:
+ case APP_CMD_CONFIG_CHANGED:
+ xsz = ANativeWindow_getWidth(app->window);
+ ysz = ANativeWindow_getHeight(app->window);
+ if(xsz != width || ysz != height) {
+ printf("reshape(%d, %d)\n", xsz, ysz);
+ demo_reshape(xsz, ysz);
+ width = xsz;
+ height = ysz;
+ }
+ break;
+
+ /*
+ case APP_CMD_SAVE_STATE:
+ case APP_CMD_GAINED_FOCUS:
+ case APP_CMD_LOST_FOCUS:
+ */
+ default:
+ break;
+ }
+}
+
+static int handle_input(struct android_app *app, AInputEvent *ev)
+{
+ int evtype = AInputEvent_getType(ev);
+
+ switch(evtype) {
+ case AINPUT_EVENT_TYPE_MOTION:
+ return handle_touch_input(app, ev);
+
+ default:
+ break;
+ }
+ return 0;
+}
+
+static int handle_touch_input(struct android_app *app, AInputEvent *ev)
+{
+ int i, pcount, x, y, idx;
+ unsigned int action;
+ static int prev_pos[2];
+
+ action = AMotionEvent_getAction(ev);
+
+ idx = (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >>
+ AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
+
+ x = AMotionEvent_getX(ev, idx);
+ y = AMotionEvent_getY(ev, idx);
+
+ switch(action & AMOTION_EVENT_ACTION_MASK) {
+ case AMOTION_EVENT_ACTION_DOWN:
+ case AMOTION_EVENT_ACTION_POINTER_DOWN:
+ demo_mouse(0, 1, x, y);
+
+ prev_pos[0] = x;
+ prev_pos[1] = y;
+ break;
+
+ case AMOTION_EVENT_ACTION_UP:
+ case AMOTION_EVENT_ACTION_POINTER_UP:
+ demo_mouse(0, 0, x, y);
+
+ prev_pos[0] = x;
+ prev_pos[1] = y;
+ break;
+
+ case AMOTION_EVENT_ACTION_MOVE:
+ pcount = AMotionEvent_getPointerCount(ev);
+ for(i=0; i<pcount; i++) {
+ int id = AMotionEvent_getPointerId(ev, i);
+ if(id == 0) {
+ demo_motion(x, y);
+ prev_pos[0] = x;
+ prev_pos[1] = y;
+ break;
+ }
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ return 1;
+}
+
+static int init_gl(void)
+{
+ static const int eglattr[] = {
+ EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
+ EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+ EGL_RED_SIZE, 5,
+ EGL_GREEN_SIZE, 5,
+ EGL_BLUE_SIZE, 5,
+ EGL_DEPTH_SIZE, 16,
+ EGL_NONE
+ };
+ static const int ctxattr[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
+
+ EGLConfig eglcfg;
+ int count, vis;
+
+ dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+ if(!dpy || !eglInitialize(dpy, 0, 0)) {
+ fprintf(stderr, "failed to initialize EGL\n");
+ destroy_gl();
+ return -1;
+ }
+
+ if(!eglChooseConfig(dpy, eglattr, &eglcfg, 1, &count)) {
+ fprintf(stderr, "no matching EGL config found\n");
+ destroy_gl();
+ return -1;
+ }
+
+ /* configure the native window visual according to the chosen EGL config */
+ eglGetConfigAttrib(dpy, &eglcfg, EGL_NATIVE_VISUAL_ID, &vis);
+ ANativeWindow_setBuffersGeometry(app->window, 0, 0, vis);
+
+ if(!(surf = eglCreateWindowSurface(dpy, eglcfg, app->window, 0))) {
+ fprintf(stderr, "failed to create window\n");
+ destroy_gl();
+ return -1;
+ }
+
+ if(!(ctx = eglCreateContext(dpy, eglcfg, EGL_NO_CONTEXT, ctxattr))) {
+ fprintf(stderr, "failed to create OpenGL ES context\n");
+ destroy_gl();
+ return -1;
+ }
+ eglMakeCurrent(dpy, surf, surf, ctx);
+
+ eglQuerySurface(dpy, surf, EGL_WIDTH, &width);
+ eglQuerySurface(dpy, surf, EGL_HEIGHT, &height);
+ return 0;
+}
+
+static void destroy_gl(void)
+{
+ if(!dpy) return;
+
+ eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+
+ if(ctx) {
+ eglDestroyContext(dpy, ctx);
+ ctx = 0;
+ }
+ if(surf) {
+ eglDestroySurface(dpy, surf);
+ surf = 0;
+ }
+
+ eglTerminate(dpy);
+ dpy = 0;
+}