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				https://github.com/swaywm/sway.git
				synced 2025-11-03 09:01:43 -05:00 
			
		
		
		
	Merge pull request #2950 from emersion/presentation-time
Implement the presentation-time protocol
This commit is contained in:
		
						commit
						ea2497d35c
					
				
					 5 changed files with 108 additions and 89 deletions
				
			
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			@ -40,6 +40,7 @@ struct sway_output {
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	struct wl_listener mode;
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	struct wl_listener transform;
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	struct wl_listener scale;
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	struct wl_listener present;
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	struct wl_listener damage_destroy;
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	struct wl_listener damage_frame;
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			@ -8,12 +8,12 @@
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#include <wlr/types/wlr_compositor.h>
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#include <wlr/types/wlr_data_device.h>
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#include <wlr/types/wlr_layer_shell_v1.h>
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#include <wlr/types/wlr_presentation_time.h>
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#include <wlr/types/wlr_server_decoration.h>
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#include <wlr/types/wlr_xdg_shell_v6.h>
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#include <wlr/types/wlr_xdg_shell.h>
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// TODO WLR: make Xwayland optional
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#include "list.h"
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#include "config.h"
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#include "list.h"
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#ifdef HAVE_XWAYLAND
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#include "sway/xwayland.h"
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#endif
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			@ -58,6 +58,8 @@ struct sway_server {
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	struct wl_listener xdg_decoration;
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	struct wl_list xdg_decorations; // sway_xdg_decoration::link
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	struct wlr_presentation *presentation;
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	size_t txn_timeout_ms;
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	list_t *transactions;
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	list_t *dirty_nodes;
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			@ -11,10 +11,11 @@
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#include <wlr/types/wlr_output_damage.h>
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#include <wlr/types/wlr_output_layout.h>
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#include <wlr/types/wlr_output.h>
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#include <wlr/types/wlr_presentation_time.h>
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#include <wlr/types/wlr_surface.h>
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#include <wlr/util/region.h>
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#include "log.h"
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#include "config.h"
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#include "log.h"
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#include "sway/config.h"
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#include "sway/desktop/transaction.h"
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#include "sway/input/input-manager.h"
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			@ -223,6 +224,75 @@ void output_drag_icons_for_each_surface(struct sway_output *output,
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	}
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}
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static void for_each_surface_container_iterator(struct sway_container *con,
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		void *_data) {
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	if (!con->view || !view_is_visible(con->view)) {
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		return;
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	}
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	struct surface_iterator_data *data = _data;
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	output_view_for_each_surface(data->output, con->view,
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		data->user_iterator, data->user_data);
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}
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static void output_for_each_surface(struct sway_output *output,
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		sway_surface_iterator_func_t iterator, void *user_data) {
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	if (output_has_opaque_overlay_layer_surface(output)) {
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		goto overlay;
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	}
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	struct surface_iterator_data data = {
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		.user_iterator = iterator,
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		.user_data = user_data,
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		.output = output,
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	};
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	struct sway_workspace *workspace = output_get_active_workspace(output);
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	if (workspace->current.fullscreen) {
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		for_each_surface_container_iterator(
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			workspace->current.fullscreen, &data);
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		container_for_each_child(workspace->current.fullscreen,
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			for_each_surface_container_iterator, &data);
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		for (int i = 0; i < workspace->current.floating->length; ++i) {
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			struct sway_container *floater =
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				workspace->current.floating->items[i];
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			if (container_is_transient_for(floater,
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					workspace->current.fullscreen)) {
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				for_each_surface_container_iterator(floater, &data);
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			}
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		}
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#ifdef HAVE_XWAYLAND
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		output_unmanaged_for_each_surface(output, &root->xwayland_unmanaged,
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			iterator, user_data);
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#endif
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	} else {
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		output_layer_for_each_surface(output,
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			&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
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			iterator, user_data);
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		output_layer_for_each_surface(output,
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			&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
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			iterator, user_data);
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		workspace_for_each_container(workspace,
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			for_each_surface_container_iterator, &data);
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#ifdef HAVE_XWAYLAND
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		output_unmanaged_for_each_surface(output, &root->xwayland_unmanaged,
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			iterator, user_data);
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#endif
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		output_layer_for_each_surface(output,
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			&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
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			iterator, user_data);
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	}
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overlay:
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	output_layer_for_each_surface(output,
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		&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
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		iterator, user_data);
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	output_drag_icons_for_each_surface(output, &root->drag_icons,
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		iterator, user_data);
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}
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static int scale_length(int length, int offset, float scale) {
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	return round((offset + length) * scale) - round(offset * scale);
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}
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			@ -274,96 +344,13 @@ bool output_has_opaque_overlay_layer_surface(struct sway_output *output) {
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static void send_frame_done_iterator(struct sway_output *output,
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		struct wlr_surface *surface, struct wlr_box *box, float rotation,
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		void *_data) {
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	struct timespec *when = _data;
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		void *data) {
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	struct timespec *when = data;
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	wlr_surface_send_frame_done(surface, when);
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}
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static void send_frame_done_layer(struct sway_output *output,
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		struct wl_list *layer_surfaces, struct timespec *when) {
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	output_layer_for_each_surface(output, layer_surfaces,
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		send_frame_done_iterator, when);
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}
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#ifdef HAVE_XWAYLAND
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static void send_frame_done_unmanaged(struct sway_output *output,
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		struct wl_list *unmanaged, struct timespec *when) {
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	output_unmanaged_for_each_surface(output, unmanaged,
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		send_frame_done_iterator, when);
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}
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#endif
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static void send_frame_done_drag_icons(struct sway_output *output,
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		struct wl_list *drag_icons, struct timespec *when) {
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	output_drag_icons_for_each_surface(output, drag_icons,
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		send_frame_done_iterator, when);
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}
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struct send_frame_done_data {
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	struct sway_output *output;
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	struct timespec *when;
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};
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static void send_frame_done_container_iterator(struct sway_container *con,
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		void *_data) {
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	if (!con->view) {
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		return;
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	}
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	if (!view_is_visible(con->view)) {
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		return;
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	}
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	struct send_frame_done_data *data = _data;
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	output_view_for_each_surface(data->output, con->view,
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		send_frame_done_iterator, data->when);
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}
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static void send_frame_done(struct sway_output *output, struct timespec *when) {
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	if (output_has_opaque_overlay_layer_surface(output)) {
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		goto send_frame_overlay;
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	}
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	struct send_frame_done_data data = {
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		.output = output,
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		.when = when,
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	};
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	struct sway_workspace *workspace = output_get_active_workspace(output);
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	if (workspace->current.fullscreen) {
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		send_frame_done_container_iterator(
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				workspace->current.fullscreen, &data);
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		container_for_each_child(workspace->current.fullscreen,
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				send_frame_done_container_iterator, &data);
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		for (int i = 0; i < workspace->current.floating->length; ++i) {
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			struct sway_container *floater =
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				workspace->current.floating->items[i];
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			if (container_is_transient_for(floater,
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						workspace->current.fullscreen)) {
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				send_frame_done_container_iterator(floater, &data);
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			}
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		}
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#ifdef HAVE_XWAYLAND
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		send_frame_done_unmanaged(output, &root->xwayland_unmanaged, when);
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#endif
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	} else {
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		send_frame_done_layer(output,
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			&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND], when);
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		send_frame_done_layer(output,
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			&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM], when);
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		workspace_for_each_container(workspace,
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				send_frame_done_container_iterator, &data);
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#ifdef HAVE_XWAYLAND
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		send_frame_done_unmanaged(output, &root->xwayland_unmanaged, when);
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#endif
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		send_frame_done_layer(output,
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			&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP], when);
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	}
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send_frame_overlay:
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	send_frame_done_layer(output,
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		&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY], when);
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	send_frame_done_drag_icons(output, &root->drag_icons, when);
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	output_for_each_surface(output, send_frame_done_iterator, when);
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}
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static void damage_handle_frame(struct wl_listener *listener, void *data) {
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			@ -545,6 +532,29 @@ static void handle_scale(struct wl_listener *listener, void *data) {
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	transaction_commit_dirty();
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}
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static void send_presented_iterator(struct sway_output *output,
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		struct wlr_surface *surface, struct wlr_box *box, float rotation,
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		void *data) {
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	struct wlr_presentation_event *event = data;
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	wlr_presentation_send_surface_presented(server.presentation,
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		surface, event);
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}
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static void handle_present(struct wl_listener *listener, void *data) {
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	struct sway_output *output = wl_container_of(listener, output, present);
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	struct wlr_output_event_present *output_event = data;
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	struct wlr_presentation_event event = {
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		.output = output->wlr_output,
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		.tv_sec = (uint64_t)output_event->when->tv_sec,
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		.tv_nsec = (uint32_t)output_event->when->tv_nsec,
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		.refresh = (uint32_t)output_event->refresh,
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		.seq = (uint64_t)output_event->seq,
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		.flags = output_event->flags,
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	};
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	output_for_each_surface(output, send_presented_iterator, &event);
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}
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void handle_new_output(struct wl_listener *listener, void *data) {
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	struct sway_server *server = wl_container_of(listener, server, new_output);
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	struct wlr_output *wlr_output = data;
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			@ -571,6 +581,7 @@ void output_add_listeners(struct sway_output *output) {
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	output->mode.notify = handle_mode;
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	output->transform.notify = handle_transform;
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	output->scale.notify = handle_scale;
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	output->present.notify = handle_present;
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	output->damage_frame.notify = damage_handle_frame;
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	output->damage_destroy.notify = damage_handle_destroy;
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}
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			@ -135,6 +135,9 @@ bool server_init(struct sway_server *server) {
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	server->xdg_decoration.notify = handle_xdg_decoration;
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	wl_list_init(&server->xdg_decorations);
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	server->presentation =
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		wlr_presentation_create(server->wl_display, server->backend);
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	wlr_export_dmabuf_manager_v1_create(server->wl_display);
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	wlr_screencopy_manager_v1_create(server->wl_display);
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			@ -103,6 +103,7 @@ void output_enable(struct sway_output *output, struct output_config *oc) {
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	wl_signal_add(&wlr_output->events.mode, &output->mode);
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	wl_signal_add(&wlr_output->events.transform, &output->transform);
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	wl_signal_add(&wlr_output->events.scale, &output->scale);
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	wl_signal_add(&wlr_output->events.present, &output->present);
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	wl_signal_add(&output->damage->events.frame, &output->damage_frame);
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	wl_signal_add(&output->damage->events.destroy, &output->damage_destroy);
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			@ -214,6 +215,7 @@ void output_disable(struct sway_output *output) {
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	wl_list_remove(&output->mode.link);
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	wl_list_remove(&output->transform.link);
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	wl_list_remove(&output->scale.link);
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	wl_list_remove(&output->present.link);
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	wl_list_remove(&output->damage_destroy.link);
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	wl_list_remove(&output->damage_frame.link);
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