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wayland: fill in refresh_interval in GdkFrameTimings

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Track the outputs that a window is on, and use the refresh rate from
a random one of those outputs for the refresh_interval in
GdkFrameTimings.

https://bugzilla.gnome.org/show_bug.cgi?id=698864
This commit is contained in:
Owen W. Taylor 2013-04-25 11:19:31 -04:00
parent f1ce727b06
commit 23031defde
3 changed files with 69 additions and 0 deletions
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2
gdk/wayland/gdkprivate-wayland.h
View File

@ -164,6 +164,8 @@ void _gdk_wayland_screen_add_output (GdkScreen *screen,
struct wl_output *output);
void _gdk_wayland_screen_remove_output (GdkScreen *screen,
guint32 id);
int _gdk_wayland_screen_get_output_refresh_rate (GdkScreen *screen,
struct wl_output *output);
void _gdk_wayland_display_manager_add_display (GdkDisplayManager *manager,
GdkDisplay *display);

20
gdk/wayland/gdkscreen-wayland.c
View File

@ -87,6 +87,7 @@ struct _GdkWaylandMonitor
int height_mm;
char * output_name;
char * manufacturer;
int refresh_rate;
};
G_DEFINE_TYPE (GdkWaylandScreen, _gdk_wayland_screen, GDK_TYPE_SCREEN)
@ -917,6 +918,7 @@ output_handle_mode(void *data,
monitor->geometry.width = width;
monitor->geometry.height = height;
monitor->refresh_rate = refresh;
g_signal_emit_by_name (monitor->screen, "monitors-changed");
update_screen_size (monitor->screen);
@ -965,3 +967,21 @@ _gdk_wayland_screen_remove_output (GdkScreen *screen,
}
}
}
int
_gdk_wayland_screen_get_output_refresh_rate (GdkScreen *screen,
struct wl_output *output)
{
GdkWaylandScreen *screen_wayland = GDK_WAYLAND_SCREEN (screen);
int i;
for (i = 0; i < screen_wayland->monitors->len; i++)
{
GdkWaylandMonitor *monitor = screen_wayland->monitors->pdata[i];
if (monitor->output == output)
return monitor->refresh_rate;
}
return 0;
}

47
gdk/wayland/gdkwindow-wayland.c
View File

@ -96,6 +96,9 @@ struct _GdkWindowImplWayland
GdkCursor *cursor;
/* The wl_outputs that this window currently touches */
GSList *outputs;
struct wl_surface *surface;
struct wl_shell_surface *shell_surface;
unsigned int mapped : 1;
@ -267,6 +270,7 @@ frame_callback (void *data,
{
GdkWindow *window = data;
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
GdkWaylandDisplay *wayland_display = GDK_WAYLAND_DISPLAY (gdk_window_get_display (window));
GdkFrameClock *clock = gdk_window_get_frame_clock (window);
GdkFrameTimings *timings;
@ -279,6 +283,17 @@ frame_callback (void *data,
if (timings == NULL)
return;
timings->refresh_interval = 16667; /* default to 1/60th of a second */
if (impl->outputs)
{
/* We pick a random output out of the outputs that the window touches
* The rate here is in milli-hertz */
int refresh_rate = _gdk_wayland_screen_get_output_refresh_rate (wayland_display->screen,
impl->outputs->data);
if (refresh_rate != 0)
timings->refresh_interval = G_GINT64_CONSTANT(1000000000) / refresh_rate;
}
timings->complete = TRUE;
#ifdef G_ENABLE_DEBUG
@ -712,6 +727,28 @@ gdk_wayland_window_map (GdkWindow *window)
}
}
static void
surface_enter (void *data,
struct wl_surface *wl_surface,
struct wl_output *output)
{
GdkWindow *window = GDK_WINDOW (data);
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
impl->outputs = g_slist_prepend (impl->outputs, output);
}
static void
surface_leave (void *data,
struct wl_surface *wl_surface,
struct wl_output *output)
{
GdkWindow *window = GDK_WINDOW (data);
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
impl->outputs = g_slist_remove (impl->outputs, output);
}
static void
shell_surface_handle_configure(void *data,
struct wl_shell_surface *shell_surface,
@ -760,6 +797,11 @@ shell_surface_ping (void *data,
wl_shell_surface_pong(shell_surface, serial);
}
static const struct wl_surface_listener surface_listener = {
surface_enter,
surface_leave
};
static const struct wl_shell_surface_listener shell_surface_listener = {
shell_surface_ping,
shell_surface_handle_configure,
@ -775,6 +817,8 @@ gdk_wayland_window_create_surface (GdkWindow *window)
impl->surface = wl_compositor_create_surface (display_wayland->compositor);
wl_surface_set_user_data(impl->surface, window);
wl_surface_add_listener(impl->surface,
&surface_listener, window);
}
static void
@ -838,6 +882,9 @@ gdk_wayland_window_hide_surface (GdkWindow *window,
{
wl_surface_destroy(impl->surface);
impl->surface = NULL;
g_slist_free (impl->outputs);
impl->outputs = NULL;
}
impl->shell_surface = NULL;
cairo_surface_destroy(impl->server_surface);