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      1 
      2 #include <wayland-client.h>
      3 #include <wayland-egl.h>
      4 
      5 #include <string.h>
      6 #include <stdio.h>
      7 
      8 #include "cube.h"
      9 #include "cube-egl.h"
     10 #include "cube-gles2.h"
     11 
     12 static struct wl_compositor *s_compositor = NULL;
     13 static struct wl_shell *s_shell = NULL;
     14 static char s_running = 1;
     15 
     16 struct window {
     17 	struct wl_surface *surface;
     18 	struct wl_shell_surface *shell_surface;
     19 	struct wl_egl_window *egl_window;
     20 };
     21 
     22 // listeners
     23 static void registry_add_object(void *data, struct wl_registry *registry, uint32_t name, const char *interface, uint32_t version)
     24 {
     25 	if (!strcmp(interface, "wl_compositor"))
     26 		s_compositor = (struct wl_compositor*)wl_registry_bind(registry, name, &wl_compositor_interface, 0);
     27 	else if (!strcmp(interface, "wl_shell"))
     28 		s_shell = (struct wl_shell*)wl_registry_bind(registry, name, &wl_shell_interface, 0);
     29 }
     30 
     31 static void registry_remove_object(void *data, struct wl_registry *registry, uint32_t name)
     32 {
     33 
     34 }
     35 
     36 static struct wl_registry_listener registry_listener = { &registry_add_object, &registry_remove_object };
     37 
     38 static void shell_surface_ping(void *data, struct wl_shell_surface *shell_surface, uint32_t serial)
     39 {
     40 	wl_shell_surface_pong(shell_surface, serial);
     41 }
     42 
     43 static void shell_surface_configure(void *data, struct wl_shell_surface *shell_surface, uint32_t edges, int32_t width, int32_t height)
     44 {
     45 	struct window *window = (struct window*)data;
     46 
     47 	wl_egl_window_resize(window->egl_window, width, height, 0, 0);
     48 }
     49 
     50 static void shell_surface_popup_done(void *data, struct wl_shell_surface *shell_surface)
     51 {
     52 
     53 }
     54 
     55 static struct wl_shell_surface_listener shell_surface_listener = {
     56 	&shell_surface_ping, &shell_surface_configure, &shell_surface_popup_done
     57 };
     58 
     59 static void create_window(struct window *window, int32_t width, int32_t height)
     60 {
     61 	window->surface = wl_compositor_create_surface(s_compositor);
     62 	window->shell_surface = wl_shell_get_shell_surface(s_shell, window->surface);
     63 	wl_shell_surface_add_listener(window->shell_surface, &shell_surface_listener, window);
     64 	wl_shell_surface_set_toplevel(window->shell_surface);
     65 	window->egl_window = wl_egl_window_create(window->surface, width, height);
     66 }
     67 
     68 static void delete_window(struct window *window)
     69 {
     70 	wl_egl_window_destroy(window->egl_window);
     71 	wl_shell_surface_destroy(window->shell_surface);
     72 	wl_surface_destroy(window->surface);
     73 }
     74 
     75 void main_wl()
     76 {
     77 	struct wl_display *display = wl_display_connect(NULL);
     78 	struct wl_registry *registry = wl_display_get_registry(display);
     79 	wl_registry_add_listener(registry, &registry_listener, NULL);
     80 	wl_display_roundtrip(display);
     81 
     82 	uint32_t width = 600;
     83 	uint32_t height = 600;
     84 
     85 	struct window window;
     86 	create_window(&window, width, height);
     87 
     88 	{
     89 		EglState egl(display);
     90 		EglSurface surface(egl, window.egl_window);
     91 		GlScene scene;
     92 
     93 		scene.set_viewport(width, height);
     94 
     95 		int framenum = 0;
     96 
     97 		while (s_running) {
     98 			wl_display_dispatch_pending(display);
     99 
    100 			surface.make_current();
    101 			scene.draw(framenum++);
    102 			surface.swap_buffers();
    103 		}
    104 	}
    105 
    106 	delete_window(&window);
    107 	wl_display_disconnect(display);
    108 }
    109