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clutter: Paint views with individual frame clocks

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Replace the default master clock with multiple frame clocks, each
driving its own stage view. As each stage view represents one CRTC, this
means we draw each CRTC with its own designated frame clock,
disconnected from all the others.

For example this means we when using the native backend will never need
to wait for one monitor to vsync before painting another, so e.g. having
a 144 Hz monitor next to a 60 Hz monitor, things including both Wayland
and X11 applications and shell UI will be able to render at the
corresponding monitor refresh rate.

This also changes a warning about missed frames when sending
_NETWM_FRAME_TIMINGS messages to a debug log entry, as it's expected
that we'll start missing frames e.g. when a X11 window (via Xwayland) is
exclusively within a stage view that was not painted, while another one
was, still increasing the global frame clock.

Addititonally, this also requires the X11 window actor to schedule
timeouts for _NET_WM_FRAME_DRAWN/_NET_WM_FRAME_TIMINGS event emitting,
if the actor wasn't on any stage views, as now we'll only get the frame
callbacks on actors when they actually were painted, while in the past,
we'd invoke that vfunc when anything was painted.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/903
Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/3

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1285
This commit is contained in:
Jonas Ådahl
2020-05-30 00:27:56 +02:00
parent 57a2f7b4a3
commit a9a9a0d1c5
38 changed files with 542 additions and 1910 deletions
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15
src/backends/meta-cursor-renderer.c
View File

@ -32,6 +32,7 @@
#include "clutter/clutter.h"
#include "clutter/clutter-mutter.h"
#include "cogl/cogl.h"
#include "core/boxes-private.h"
#include "meta/meta-backend.h"
#include "meta/util.h"
@ -155,13 +156,25 @@ queue_redraw (MetaCursorRenderer *renderer,
static void
meta_cursor_renderer_after_paint (ClutterStage *stage,
ClutterStageView *stage_view,
MetaCursorRenderer *renderer)
{
MetaCursorRendererPrivate *priv =
meta_cursor_renderer_get_instance_private (renderer);
if (priv->displayed_cursor && !priv->handled_by_backend)
meta_cursor_renderer_emit_painted (renderer, priv->displayed_cursor);
{
graphene_rect_t rect;
MetaRectangle view_layout;
graphene_rect_t view_rect;
rect = meta_cursor_renderer_calculate_rect (renderer,
priv->displayed_cursor);
clutter_stage_view_get_layout (stage_view, &view_layout);
view_rect = meta_rectangle_to_graphene_rect (&view_layout);
if (graphene_rect_intersection (&rect, &view_rect, NULL))
meta_cursor_renderer_emit_painted (renderer, priv->displayed_cursor);
}
}
static gboolean