apk build (not done)
[andemo] / src / android / main.c
index 7b971d5..2ec85b6 100644 (file)
@@ -1,17 +1,28 @@
+#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;
@@ -23,16 +34,202 @@ void android_main(struct android_app *app_ptr)
 
                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;
+}