131 lines
4.0 KiB
C
131 lines
4.0 KiB
C
#define _GNU_SOURCE
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/mman.h>
|
|
#include <unistd.h>
|
|
#include <wayland-client.h>
|
|
#include "xdg-shell-client-protocol.h"
|
|
|
|
static struct wl_compositor *compositor;
|
|
static struct wl_shm *shm;
|
|
static struct xdg_wm_base *wm;
|
|
static struct wl_surface *surface;
|
|
|
|
static void ping(void *data, struct xdg_wm_base *base, uint32_t serial) {
|
|
(void)data;
|
|
xdg_wm_base_pong(base, serial);
|
|
}
|
|
|
|
static const struct xdg_wm_base_listener wm_listener = {.ping = ping};
|
|
|
|
static void global(void *data, struct wl_registry *registry, uint32_t name,
|
|
const char *interface, uint32_t version) {
|
|
(void)data;
|
|
(void)version;
|
|
if (!strcmp(interface, "wl_compositor"))
|
|
compositor = wl_registry_bind(registry, name, &wl_compositor_interface, 4);
|
|
else if (!strcmp(interface, "wl_shm"))
|
|
shm = wl_registry_bind(registry, name, &wl_shm_interface, 1);
|
|
else if (!strcmp(interface, "xdg_wm_base")) {
|
|
wm = wl_registry_bind(registry, name, &xdg_wm_base_interface, 1);
|
|
xdg_wm_base_add_listener(wm, &wm_listener, NULL);
|
|
}
|
|
}
|
|
|
|
static void removed(void *data, struct wl_registry *registry, uint32_t name) {
|
|
(void)data;
|
|
(void)registry;
|
|
(void)name;
|
|
}
|
|
|
|
static const struct wl_registry_listener registry_listener = {global, removed};
|
|
|
|
static void configure(void *data, struct xdg_surface *xdg, uint32_t serial) {
|
|
(void)data;
|
|
xdg_surface_ack_configure(xdg, serial);
|
|
}
|
|
|
|
static const struct xdg_surface_listener surface_listener = {.configure = configure};
|
|
|
|
static void size(void *data, struct xdg_toplevel *top, int32_t width, int32_t height,
|
|
struct wl_array *states) {
|
|
(void)data;
|
|
(void)top;
|
|
(void)width;
|
|
(void)height;
|
|
(void)states;
|
|
}
|
|
|
|
static void close_window(void *data, struct xdg_toplevel *top) {
|
|
(void)data;
|
|
(void)top;
|
|
exit(0);
|
|
}
|
|
|
|
static const struct xdg_toplevel_listener top_listener = {
|
|
.configure = size,
|
|
.close = close_window,
|
|
};
|
|
|
|
static void phase(struct wl_display *display, const char *name) {
|
|
if (wl_display_roundtrip(display) < 0)
|
|
exit(5);
|
|
puts(name);
|
|
fflush(stdout);
|
|
if (getchar() == EOF)
|
|
exit(6);
|
|
}
|
|
|
|
int main(void) {
|
|
struct wl_display *display = wl_display_connect(NULL);
|
|
if (!display)
|
|
return 1;
|
|
struct wl_registry *registry = wl_display_get_registry(display);
|
|
wl_registry_add_listener(registry, ®istry_listener, NULL);
|
|
if (wl_display_roundtrip(display) < 0 || !compositor || !shm || !wm)
|
|
return 2;
|
|
|
|
int fd = memfd_create("unmapped-toplevel", MFD_CLOEXEC);
|
|
if (fd < 0 || ftruncate(fd, 64 * 64 * 4))
|
|
return 3;
|
|
uint32_t *pixels = mmap(NULL, 64 * 64 * 4, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
|
|
if (pixels == MAP_FAILED)
|
|
return 4;
|
|
for (size_t i = 0; i < 64 * 64; i++)
|
|
pixels[i] = 0xff3182ce;
|
|
struct wl_shm_pool *pool = wl_shm_create_pool(shm, fd, 64 * 64 * 4);
|
|
struct wl_buffer *buffer = wl_shm_pool_create_buffer(
|
|
pool, 0, 64, 64, 64 * 4, WL_SHM_FORMAT_XRGB8888);
|
|
wl_shm_pool_destroy(pool);
|
|
close(fd);
|
|
|
|
surface = wl_compositor_create_surface(compositor);
|
|
struct xdg_surface *xdg = xdg_wm_base_get_xdg_surface(wm, surface);
|
|
xdg_surface_add_listener(xdg, &surface_listener, NULL);
|
|
struct xdg_toplevel *top = xdg_surface_get_toplevel(xdg);
|
|
xdg_toplevel_add_listener(top, &top_listener, NULL);
|
|
xdg_toplevel_set_app_id(top, "ferese.test.unmapped");
|
|
xdg_toplevel_set_title(top, "Buffer lifecycle test");
|
|
|
|
wl_surface_commit(surface);
|
|
phase(display, "initial-empty");
|
|
|
|
xdg_surface_set_window_geometry(xdg, 0, 0, 64, 64);
|
|
wl_surface_attach(surface, buffer, 0, 0);
|
|
wl_surface_damage(surface, 0, 0, 64, 64);
|
|
wl_surface_commit(surface);
|
|
phase(display, "visible");
|
|
|
|
wl_surface_attach(surface, NULL, 0, 0);
|
|
wl_surface_commit(surface);
|
|
phase(display, "detached");
|
|
|
|
wl_surface_attach(surface, buffer, 0, 0);
|
|
wl_surface_damage(surface, 0, 0, 64, 64);
|
|
wl_surface_commit(surface);
|
|
phase(display, "remapped");
|
|
return 0;
|
|
}
|