static struct window *
create_window(struct display *display, int width, int height)
{
struct window *window;
int i;
int ret;
window = zalloc(sizeof *window);
if (!window)
return NULL;
window->callback = NULL;
window->display = display;
window->width = width;
window->height = height;
window->surface = wl_compositor_create_surface(display->compositor);
if (display->shell) {
window->xdg_surface =
xdg_shell_get_xdg_surface(display->shell,
window->surface);
assert(window->xdg_surface);
xdg_surface_add_listener(window->xdg_surface,
&xdg_surface_listener, window);
xdg_surface_set_title(window->xdg_surface, "simple-dmabuf");
} else if (display->fshell) {
zwp_fullscreen_shell_v1_present_surface(display->fshell,
window->surface,
ZWP_FULLSCREEN_SHELL_V1_PRESENT_METHOD_DEFAULT,
NULL);
} else {
assert(0);
}
for (i = 0; i < 2; ++i) {
ret = create_dmabuf_buffer(display, &window->buffers[i],
width, height);
if (ret < 0)
return NULL;
}
return window;
}
static struct buffer *
window_next_buffer(struct window *window)
{
struct buffer *buffer;
int ret = 0;
if (!window->buffers[0].busy)
buffer = &window->buffers[0];
else if (!window->buffers[1].busy)
buffer = &window->buffers[1];
else
return NULL;
if (!buffer->buffer) {
ret = create_dmabuf_buffer(window->display, buffer,
window->width, window->height);
if (ret < 0)
return NULL;
}
return buffer;
}
