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pipewire: implement DPMS

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Pipewire doesn't need to wait for any hardware. The finish_frame() callback is
just artifically delayed to generate the desired framerate.

So when the DPMS level changes, we can just call finish_frame() immediately if
necessary and cancel the timer.

Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
This commit is contained in:
Michael Olbrich 2020-08-19 08:43:15 +02:00
parent d70e712c2f
commit a24a326bb1
1 changed files with 20 additions and 1 deletions
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21
pipewire/pipewire-plugin.c
View file

@ -88,6 +88,7 @@ struct pipewire_output {
struct wl_event_source *finish_frame_timer; struct wl_event_source *finish_frame_timer;
struct wl_list link; struct wl_list link;
bool submitted_frame; bool submitted_frame;
enum dpms_enum dpms;
}; };
struct pipewire_frame_data { struct pipewire_frame_data {
@ -317,7 +318,11 @@ pipewire_output_finish_frame_handler(void *data)
api->finish_frame(output->output, &now, 0); api->finish_frame(output->output, &now, 0);
} }
pipewire_output_timer_update(output); if (output->dpms == WESTON_DPMS_ON)
pipewire_output_timer_update(output);
else
wl_event_source_timer_update(output->finish_frame_timer, 0);
return 0; return 0;
} }
@ -355,6 +360,18 @@ pipewire_output_start_repaint_loop(struct weston_output *base_output)
return 0; return 0;
} }
static void
pipewire_set_dpms(struct weston_output *base_output, enum dpms_enum level)
{
struct pipewire_output *output = lookup_pipewire_output(base_output);
if (output->dpms == level)
return;
output->dpms = level;
pipewire_output_finish_frame_handler(output);
}
static int static int
pipewire_output_connect(struct pipewire_output *output) pipewire_output_connect(struct pipewire_output *output)
{ {
@ -420,12 +437,14 @@ pipewire_output_enable(struct weston_output *base_output)
output->saved_start_repaint_loop = base_output->start_repaint_loop; output->saved_start_repaint_loop = base_output->start_repaint_loop;
base_output->start_repaint_loop = pipewire_output_start_repaint_loop; base_output->start_repaint_loop = pipewire_output_start_repaint_loop;
base_output->set_dpms = pipewire_set_dpms;
loop = wl_display_get_event_loop(c->wl_display); loop = wl_display_get_event_loop(c->wl_display);
output->finish_frame_timer = output->finish_frame_timer =
wl_event_loop_add_timer(loop, wl_event_loop_add_timer(loop,
pipewire_output_finish_frame_handler, pipewire_output_finish_frame_handler,
output); output);
output->dpms = WESTON_DPMS_ON;
return 0; return 0;
} }