Recomposite screen in idle handler.

This commit is contained in:
Kristian Høgsberg 2008-10-11 19:21:35 -04:00
parent f921289954
commit 5ebb317383
5 changed files with 61 additions and 15 deletions

View File

@ -141,11 +141,11 @@ int main(int argc, char *argv[])
cairo_image_surface_get_stride(s));
i = 0;
while (ret = poll(p, 1, 200), ret >= 0) {
while (ret = poll(p, 1, 20), ret >= 0) {
if (ret == 0) {
wl_surface_map(surface,
x + cos(i / 10.0) * 150,
y + sin(i / 10.0) * 150,
x + cos(i / 10.0) * 200,
y + sin(i / 11.0) * 200,
width, height);
i++;
continue;

View File

@ -137,8 +137,9 @@ void notify_surface_attach(struct wl_compositor *compositor,
}
static void
repaint(struct egl_compositor *ec)
repaint(void *data)
{
struct egl_compositor *ec = data;
struct wl_surface_iterator *iterator;
struct wl_surface *surface;
struct surface_data *sd;
@ -197,13 +198,16 @@ void notify_surface_map(struct wl_compositor *compositor,
{
struct egl_compositor *ec = (struct egl_compositor *) compositor;
struct surface_data *sd;
struct wl_event_loop *loop;
sd = wl_surface_get_data(surface);
if (sd == NULL)
return;
sd->map = *map;
repaint(ec);
loop = wl_display_get_event_loop(ec->wl_display);
wl_event_loop_add_idle(loop, repaint, ec);
}
struct wl_compositor_interface interface = {

View File

@ -11,18 +11,20 @@
struct wl_event_loop {
int epoll_fd;
wl_event_loop_idle_func_t idle_func;
void *idle_data;
};
struct wl_event_source {
int fd;
wl_event_loop_func_t func;
wl_event_loop_fd_func_t func;
void *data;
};
struct wl_event_source *
wl_event_loop_add_fd(struct wl_event_loop *loop,
int fd, uint32_t mask,
wl_event_loop_func_t func,
wl_event_loop_fd_func_t func,
void *data)
{
struct wl_event_source *source;
@ -48,16 +50,23 @@ wl_event_loop_add_fd(struct wl_event_loop *loop,
return source;
}
struct wl_event_source idle_source;
int
wl_event_loop_remove_source(struct wl_event_loop *loop,
struct wl_event_source *source)
{
int fd;
if (source == &idle_source) {
loop->idle_func = NULL;
return 0;
} else {
fd = source->fd;
free(source);
return epoll_ctl(loop->epoll_fd, EPOLL_CTL_DEL, fd, NULL);
return epoll_ctl(loop->epoll_fd,
EPOLL_CTL_DEL, fd, NULL);
};
}
int
@ -103,6 +112,17 @@ wl_event_loop_destroy(struct wl_event_loop *loop)
free(loop);
}
struct wl_event_source *
wl_event_loop_add_idle(struct wl_event_loop *loop,
wl_event_loop_idle_func_t func,
void *data)
{
loop->idle_func = func;
loop->idle_data = data;
return &idle_source;
}
#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
int
@ -110,10 +130,15 @@ wl_event_loop_wait(struct wl_event_loop *loop)
{
struct epoll_event ep[32];
struct wl_event_source *source;
int i, count;
int i, count, timeout;
uint32_t mask;
count = epoll_wait(loop->epoll_fd, ep, ARRAY_LENGTH(ep), -1);
if (loop->idle_func)
timeout = 0;
else
timeout = -1;
count = epoll_wait(loop->epoll_fd, ep, ARRAY_LENGTH(ep), timeout);
if (count < 0)
return -1;
@ -128,5 +153,10 @@ wl_event_loop_wait(struct wl_event_loop *loop)
source->func(source->fd, mask, source->data);
}
if (count == 0 && loop->idle_func != NULL) {
loop->idle_func(loop->idle_data);
loop->idle_func = NULL;
}
return 0;
}

View File

@ -469,6 +469,12 @@ wl_display_set_compositor(struct wl_display *display,
display->compositor = compositor;
}
struct wl_event_loop *
wl_display_get_event_loop(struct wl_display *display)
{
return display->loop;
}
void
wl_display_run(struct wl_display *display)
{

View File

@ -10,13 +10,14 @@ enum {
struct wl_event_loop;
struct wl_event_source;
typedef void (*wl_event_loop_func_t)(int fd, uint32_t mask, void *data);
typedef void (*wl_event_loop_fd_func_t)(int fd, uint32_t mask, void *data);
typedef void (*wl_event_loop_idle_func_t)(void *data);
struct wl_event_loop *wl_event_loop_create(void);
void wl_event_loop_destroy(struct wl_event_loop *loop);
struct wl_event_source *wl_event_loop_add_fd(struct wl_event_loop *loop,
int fd, uint32_t mask,
wl_event_loop_func_t func,
wl_event_loop_fd_func_t func,
void *data);
int wl_event_loop_update_source(struct wl_event_loop *loop,
struct wl_event_source *source,
@ -25,6 +26,9 @@ int wl_event_loop_update_source(struct wl_event_loop *loop,
int wl_event_loop_remove_source(struct wl_event_loop *loop,
struct wl_event_source *source);
int wl_event_loop_wait(struct wl_event_loop *loop);
struct wl_event_source *wl_event_loop_add_idle(struct wl_event_loop *loop,
wl_event_loop_idle_func_t func,
void *data);
struct wl_hash {
struct wl_object **objects;
@ -81,6 +85,8 @@ struct wl_map {
int32_t x, y, width, height;
};
struct wl_event_loop *wl_display_get_event_loop(struct wl_display *display);
void wl_surface_set_data(struct wl_surface *surface, void *data);
void *wl_surface_get_data(struct wl_surface *surface);