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Add lite damage tracking

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This skips the renderer if nothing has changed, and renders
everything otherwise.
This commit is contained in:
emersion 2018-03-30 13:18:50 -04:00
parent 5ac5e7d5a6
commit a776ecbb86
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GPG key ID: 0FDE7BE0E88F5E48
11 changed files with 171 additions and 66 deletions
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14
include/sway/output.h
View file

@ -5,6 +5,7 @@
#include <wayland-server.h> #include <wayland-server.h>
#include <wlr/types/wlr_box.h> #include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_output.h> #include <wlr/types/wlr_output.h>
#include "sway/tree/view.h"
struct sway_server; struct sway_server;
struct sway_container; struct sway_container;
@ -13,17 +14,26 @@ struct sway_output {
struct wlr_output *wlr_output; struct wlr_output *wlr_output;
struct sway_container *swayc; struct sway_container *swayc;
struct sway_server *server; struct sway_server *server;
struct timespec last_frame;
struct wl_list layers[4]; // sway_layer_surface::link struct wl_list layers[4]; // sway_layer_surface::link
struct wlr_box usable_area; struct wlr_box usable_area;
struct wl_listener frame; struct timespec last_frame;
struct wlr_output_damage *damage;
struct wl_listener destroy; struct wl_listener destroy;
struct wl_listener mode; struct wl_listener mode;
struct wl_listener transform; struct wl_listener transform;
struct wl_listener damage_destroy;
struct wl_listener damage_frame;
pid_t bg_pid; pid_t bg_pid;
}; };
void output_damage_whole(struct sway_output *output);
void output_damage_whole_view(struct sway_output *output,
struct sway_view *view);
#endif #endif

1
include/sway/server.h
View file

@ -25,7 +25,6 @@ struct sway_server {
struct sway_input_manager *input; struct sway_input_manager *input;
struct wl_listener new_output; struct wl_listener new_output;
struct wl_listener output_frame;
struct wlr_layer_shell *layer_shell; struct wlr_layer_shell *layer_shell;
struct wl_listener layer_shell_surface; struct wl_listener layer_shell_surface;

4
include/sway/tree/view.h
View file

@ -113,4 +113,8 @@ void view_close(struct sway_view *view);
void view_update_outputs(struct sway_view *view, const struct wlr_box *before); void view_update_outputs(struct sway_view *view, const struct wlr_box *before);
void view_damage_whole(struct sway_view *view);
void view_damage_from(struct sway_view *view);
#endif #endif

26
sway/desktop/layer_shell.c
View file

@ -4,12 +4,13 @@
#include <wayland-server.h> #include <wayland-server.h>
#include <wlr/types/wlr_box.h> #include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_layer_shell.h> #include <wlr/types/wlr_layer_shell.h>
#include <wlr/types/wlr_output_damage.h>
#include <wlr/types/wlr_output.h> #include <wlr/types/wlr_output.h>
#include <wlr/util/log.h> #include <wlr/util/log.h>
#include "sway/layers.h" #include "sway/layers.h"
#include "sway/tree/layout.h"
#include "sway/output.h" #include "sway/output.h"
#include "sway/server.h" #include "sway/server.h"
#include "sway/tree/layout.h"
static void apply_exclusive(struct wlr_box *usable_area, static void apply_exclusive(struct wlr_box *usable_area,
uint32_t anchor, int32_t exclusive, uint32_t anchor, int32_t exclusive,
@ -210,20 +211,26 @@ static void handle_surface_commit(struct wl_listener *listener, void *data) {
} else { } else {
// TODO DAMAGE from surface damage // TODO DAMAGE from surface damage
} }
wlr_output_damage_add_box(output->damage, &old_geo);
wlr_output_damage_add_box(output->damage, &layer->geo);
} }
} }
static void unmap(struct wlr_layer_surface *layer_surface) { static void unmap(struct sway_layer_surface *sway_layer) {
// TODO DAMAGE struct wlr_output *wlr_output = sway_layer->layer_surface->output;
if (wlr_output != NULL) {
struct sway_output *output = wlr_output->data;
wlr_output_damage_add_box(output->damage, &sway_layer->geo);
}
} }
static void handle_destroy(struct wl_listener *listener, void *data) { static void handle_destroy(struct wl_listener *listener, void *data) {
struct sway_layer_surface *sway_layer = wl_container_of( struct sway_layer_surface *sway_layer = wl_container_of(listener,
listener, sway_layer, destroy); sway_layer, destroy);
wlr_log(L_DEBUG, "Layer surface destroyed (%s)", wlr_log(L_DEBUG, "Layer surface destroyed (%s)",
sway_layer->layer_surface->namespace); sway_layer->layer_surface->namespace);
if (sway_layer->layer_surface->mapped) { if (sway_layer->layer_surface->mapped) {
unmap(sway_layer->layer_surface); unmap(sway_layer);
} }
wl_list_remove(&sway_layer->link); wl_list_remove(&sway_layer->link);
wl_list_remove(&sway_layer->destroy.link); wl_list_remove(&sway_layer->destroy.link);
@ -239,13 +246,16 @@ static void handle_destroy(struct wl_listener *listener, void *data) {
} }
static void handle_map(struct wl_listener *listener, void *data) { static void handle_map(struct wl_listener *listener, void *data) {
// TODO DAMAGE struct sway_layer_surface *sway_layer = wl_container_of(listener,
sway_layer, map);
struct sway_output *output = sway_layer->layer_surface->output->data;
wlr_output_damage_add_box(output->damage, &sway_layer->geo);
} }
static void handle_unmap(struct wl_listener *listener, void *data) { static void handle_unmap(struct wl_listener *listener, void *data) {
struct sway_layer_surface *sway_layer = wl_container_of( struct sway_layer_surface *sway_layer = wl_container_of(
listener, sway_layer, unmap); listener, sway_layer, unmap);
unmap(sway_layer->layer_surface); unmap(sway_layer);
} }
void handle_layer_shell_surface(struct wl_listener *listener, void *data) { void handle_layer_shell_surface(struct wl_listener *listener, void *data) {

148
sway/desktop/output.c
View file

@ -6,18 +6,19 @@
#include <wlr/render/wlr_renderer.h> #include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_box.h> #include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_matrix.h> #include <wlr/types/wlr_matrix.h>
#include <wlr/types/wlr_output.h> #include <wlr/types/wlr_output_damage.h>
#include <wlr/types/wlr_output_layout.h> #include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_surface.h> #include <wlr/types/wlr_surface.h>
#include <wlr/types/wlr_wl_shell.h> #include <wlr/types/wlr_wl_shell.h>
#include "log.h" #include "log.h"
#include "sway/tree/container.h"
#include "sway/input/input-manager.h" #include "sway/input/input-manager.h"
#include "sway/input/seat.h" #include "sway/input/seat.h"
#include "sway/layers.h" #include "sway/layers.h"
#include "sway/tree/layout.h"
#include "sway/output.h" #include "sway/output.h"
#include "sway/server.h" #include "sway/server.h"
#include "sway/tree/container.h"
#include "sway/tree/layout.h"
#include "sway/tree/view.h" #include "sway/tree/view.h"
/** /**
@ -145,13 +146,13 @@ static void render_wl_shell_surface(struct wlr_wl_shell_surface *surface,
struct render_data { struct render_data {
struct sway_output *output; struct sway_output *output;
struct timespec *now; struct timespec *when;
}; };
static void output_frame_view(struct sway_container *view, void *data) { static void render_view(struct sway_container *view, void *data) {
struct render_data *rdata = data; struct render_data *rdata = data;
struct sway_output *output = rdata->output; struct sway_output *output = rdata->output;
struct timespec *now = rdata->now; struct timespec *when = rdata->when;
struct wlr_output *wlr_output = output->wlr_output; struct wlr_output *wlr_output = output->wlr_output;
struct sway_view *sway_view = view->sway_view; struct sway_view *sway_view = view->sway_view;
struct wlr_surface *surface = sway_view->surface; struct wlr_surface *surface = sway_view->surface;
@ -164,18 +165,18 @@ static void output_frame_view(struct sway_container *view, void *data) {
case SWAY_XDG_SHELL_V6_VIEW: { case SWAY_XDG_SHELL_V6_VIEW: {
int window_offset_x = view->sway_view->wlr_xdg_surface_v6->geometry.x; int window_offset_x = view->sway_view->wlr_xdg_surface_v6->geometry.x;
int window_offset_y = view->sway_view->wlr_xdg_surface_v6->geometry.y; int window_offset_y = view->sway_view->wlr_xdg_surface_v6->geometry.y;
render_surface(surface, wlr_output, now, render_surface(surface, wlr_output, when,
view->x - window_offset_x, view->y - window_offset_y, 0); view->x - window_offset_x, view->y - window_offset_y, 0);
render_xdg_v6_popups(sway_view->wlr_xdg_surface_v6, wlr_output, render_xdg_v6_popups(sway_view->wlr_xdg_surface_v6, wlr_output,
now, view->x - window_offset_x, view->y - window_offset_y, 0); when, view->x - window_offset_x, view->y - window_offset_y, 0);
break; break;
} }
case SWAY_WL_SHELL_VIEW: case SWAY_WL_SHELL_VIEW:
render_wl_shell_surface(sway_view->wlr_wl_shell_surface, wlr_output, render_wl_shell_surface(sway_view->wlr_wl_shell_surface, wlr_output,
now, view->x, view->y, 0, false); when, view->x, view->y, 0, false);
break; break;
case SWAY_XWAYLAND_VIEW: case SWAY_XWAYLAND_VIEW:
render_surface(surface, wlr_output, now, view->x, view->y, 0); render_surface(surface, wlr_output, when, view->x, view->y, 0);
break; break;
default: default:
break; break;
@ -195,82 +196,134 @@ static void render_layer(struct sway_output *output,
} }
} }
static void handle_output_frame(struct wl_listener *listener, void *data) { static void render_output(struct sway_output *output, struct timespec *when,
struct sway_output *soutput = wl_container_of(listener, soutput, frame); pixman_region32_t *damage) {
struct wlr_output *wlr_output = data; wlr_log(L_DEBUG, "render");
struct wlr_output *wlr_output = output->wlr_output;
struct wlr_renderer *renderer = struct wlr_renderer *renderer =
wlr_backend_get_renderer(wlr_output->backend); wlr_backend_get_renderer(wlr_output->backend);
wlr_output_make_current(wlr_output, NULL);
wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height); wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height);
if (!pixman_region32_not_empty(damage)) {
// Output isn't damaged but needs buffer swap
goto renderer_end;
}
// TODO
int width, height;
wlr_output_transformed_resolution(wlr_output, &width, &height);
pixman_region32_union_rect(damage, damage, 0, 0, width, height);
float clear_color[] = {0.25f, 0.25f, 0.25f, 1.0f}; float clear_color[] = {0.25f, 0.25f, 0.25f, 1.0f};
wlr_renderer_clear(renderer, clear_color); wlr_renderer_clear(renderer, clear_color);
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
struct wlr_output_layout *layout = root_container.sway_root->output_layout; struct wlr_output_layout *layout = root_container.sway_root->output_layout;
const struct wlr_box *output_box = wlr_output_layout_get_box( const struct wlr_box *output_box =
layout, wlr_output); wlr_output_layout_get_box(layout, wlr_output);
render_layer(soutput, output_box, &now, render_layer(output, output_box, when,
&soutput->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND]); &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND]);
render_layer(soutput, output_box, &now, render_layer(output, output_box, when,
&soutput->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]); &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]);
struct sway_seat *seat = input_manager_current_seat(input_manager); struct sway_seat *seat = input_manager_current_seat(input_manager);
struct sway_container *focus = struct sway_container *focus =
sway_seat_get_focus_inactive(seat, soutput->swayc); sway_seat_get_focus_inactive(seat, output->swayc);
struct sway_container *workspace = (focus->type == C_WORKSPACE ? struct sway_container *workspace = (focus->type == C_WORKSPACE ?
focus : focus :
container_parent(focus, C_WORKSPACE)); container_parent(focus, C_WORKSPACE));
struct render_data rdata = { struct render_data rdata = {
.output = soutput, .output = output,
.now = &now, .when = when,
}; };
container_descendants(workspace, C_VIEW, output_frame_view, &rdata); container_descendants(workspace, C_VIEW, render_view, &rdata);
// render unmanaged views on top // render unmanaged views on top
struct sway_view *view; struct sway_view *view;
wl_list_for_each(view, &root_container.sway_root->unmanaged_views, wl_list_for_each(view, &root_container.sway_root->unmanaged_views,
unmanaged_view_link) { unmanaged_view_link) {
if (view->type == SWAY_XWAYLAND_VIEW) { if (view->type == SWAY_XWAYLAND_VIEW) {
// the only kind of unamanged view right now is xwayland override redirect // the only kind of unamanged view right now is xwayland override
// redirect
int view_x = view->wlr_xwayland_surface->x; int view_x = view->wlr_xwayland_surface->x;
int view_y = view->wlr_xwayland_surface->y; int view_y = view->wlr_xwayland_surface->y;
render_surface(view->surface, wlr_output, &soutput->last_frame, render_surface(view->surface, wlr_output, &output->last_frame,
view_x, view_y, 0); view_x, view_y, 0);
} }
} }
// TODO: Consider revising this when fullscreen windows are supported // TODO: Consider revising this when fullscreen windows are supported
render_layer(soutput, output_box, &now, render_layer(output, output_box, when,
&soutput->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]); &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]);
render_layer(soutput, output_box, &now, render_layer(output, output_box, when,
&soutput->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]); &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]);
renderer_end:
wlr_renderer_end(renderer); wlr_renderer_end(renderer);
wlr_output_swap_buffers(wlr_output, &now, NULL); if (!wlr_output_damage_swap_buffers(output->damage, when, damage)) {
soutput->last_frame = now; return;
}
output->last_frame = *when;
} }
static void handle_output_destroy(struct wl_listener *listener, void *data) { static void damage_handle_frame(struct wl_listener *listener, void *data) {
struct sway_output *output = wl_container_of(listener, output, destroy); struct sway_output *output =
wl_container_of(listener, output, damage_frame);
struct wlr_output *wlr_output = data; struct wlr_output *wlr_output = data;
wlr_log(L_DEBUG, "Output %p %s removed", wlr_output, wlr_output->name);
if (!wlr_output->enabled) {
return;
}
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
bool needs_swap;
pixman_region32_t damage;
pixman_region32_init(&damage);
if (!wlr_output_damage_make_current(output->damage, &needs_swap, &damage)) {
return;
}
if (needs_swap) {
render_output(output, &now, &damage);
}
pixman_region32_fini(&damage);
// TODO: send frame done events here instead of inside render_surface
}
void output_damage_whole(struct sway_output *output) {
wlr_output_damage_add_whole(output->damage);
}
void output_damage_whole_view(struct sway_output *output,
struct sway_view *view) {
// TODO
output_damage_whole(output);
}
static void damage_handle_destroy(struct wl_listener *listener, void *data) {
struct sway_output *output =
wl_container_of(listener, output, damage_destroy);
container_output_destroy(output->swayc); container_output_destroy(output->swayc);
} }
static void handle_output_mode(struct wl_listener *listener, void *data) { static void handle_destroy(struct wl_listener *listener, void *data) {
struct sway_output *output = wl_container_of(listener, output, destroy);
container_output_destroy(output->swayc);
}
static void handle_mode(struct wl_listener *listener, void *data) {
struct sway_output *output = wl_container_of(listener, output, mode); struct sway_output *output = wl_container_of(listener, output, mode);
arrange_layers(output); arrange_layers(output);
arrange_windows(output->swayc, -1, -1); arrange_windows(output->swayc, -1, -1);
} }
static void handle_output_transform(struct wl_listener *listener, void *data) { static void handle_transform(struct wl_listener *listener, void *data) {
struct sway_output *output = wl_container_of(listener, output, transform); struct sway_output *output = wl_container_of(listener, output, transform);
arrange_layers(output); arrange_layers(output);
arrange_windows(output->swayc, -1, -1); arrange_windows(output->swayc, -1, -1);
@ -295,6 +348,8 @@ void handle_new_output(struct wl_listener *listener, void *data) {
wlr_output_set_mode(wlr_output, mode); wlr_output_set_mode(wlr_output, mode);
} }
output->damage = wlr_output_damage_create(wlr_output);
output->swayc = container_output_create(output); output->swayc = container_output_create(output);
if (!output->swayc) { if (!output->swayc) {
free(output); free(output);
@ -308,14 +363,17 @@ void handle_new_output(struct wl_listener *listener, void *data) {
sway_input_manager_configure_xcursor(input_manager); sway_input_manager_configure_xcursor(input_manager);
wl_signal_add(&wlr_output->events.frame, &output->frame);
output->frame.notify = handle_output_frame;
wl_signal_add(&wlr_output->events.destroy, &output->destroy); wl_signal_add(&wlr_output->events.destroy, &output->destroy);
output->destroy.notify = handle_output_destroy; output->destroy.notify = handle_destroy;
wl_signal_add(&wlr_output->events.mode, &output->mode); wl_signal_add(&wlr_output->events.mode, &output->mode);
output->mode.notify = handle_output_mode; output->mode.notify = handle_mode;
wl_signal_add(&wlr_output->events.transform, &output->transform); wl_signal_add(&wlr_output->events.transform, &output->transform);
output->transform.notify = handle_output_transform; output->transform.notify = handle_transform;
wl_signal_add(&output->damage->events.frame, &output->damage_frame);
output->damage_frame.notify = damage_handle_frame;
wl_signal_add(&output->damage->events.destroy, &output->damage_destroy);
output->damage_destroy.notify = damage_handle_destroy;
arrange_layers(output); arrange_layers(output);
arrange_windows(&root_container, -1, -1); arrange_windows(&root_container, -1, -1);

1
sway/desktop/wl_shell.c
View file

@ -67,6 +67,7 @@ static void handle_commit(struct wl_listener *listener, void *data) {
// TODO: Let floating views do whatever // TODO: Let floating views do whatever
view->width = sway_surface->pending_width; view->width = sway_surface->pending_width;
view->height = sway_surface->pending_height; view->height = sway_surface->pending_height;
view_damage_from(view);
} }
static void handle_destroy(struct wl_listener *listener, void *data) { static void handle_destroy(struct wl_listener *listener, void *data) {

1
sway/desktop/xdg_shell_v6.c
View file

@ -76,6 +76,7 @@ static void handle_commit(struct wl_listener *listener, void *data) {
// TODO: Let floating views do whatever // TODO: Let floating views do whatever
view->width = sway_surface->pending_width; view->width = sway_surface->pending_width;
view->height = sway_surface->pending_height; view->height = sway_surface->pending_height;
view_damage_from(view);
} }
static void handle_destroy(struct wl_listener *listener, void *data) { static void handle_destroy(struct wl_listener *listener, void *data) {

11
sway/desktop/xwayland.c
View file

@ -14,10 +14,10 @@
#include "sway/input/input-manager.h" #include "sway/input/input-manager.h"
#include "log.h" #include "log.h"
static bool assert_xwayland(struct sway_view *view) { static bool assert_xwayland(struct sway_view *view) {
return sway_assert(view->type == SWAY_XWAYLAND_VIEW && view->wlr_xwayland_surface, return sway_assert(view->type == SWAY_XWAYLAND_VIEW,
"Expected xwayland view!"); "Expected xwayland view!");
} }
static const char *get_prop(struct sway_view *view, enum sway_view_prop prop) { static const char *get_prop(struct sway_view *view, enum sway_view_prop prop) {
if (!assert_xwayland(view)) { if (!assert_xwayland(view)) {
@ -99,6 +99,7 @@ static void handle_commit(struct wl_listener *listener, void *data) {
// TODO: Let floating views do whatever // TODO: Let floating views do whatever
view->width = sway_surface->pending_width; view->width = sway_surface->pending_width;
view->height = sway_surface->pending_height; view->height = sway_surface->pending_height;
view_damage_from(view);
} }
static void handle_destroy(struct wl_listener *listener, void *data) { static void handle_destroy(struct wl_listener *listener, void *data) {
@ -117,7 +118,7 @@ static void handle_destroy(struct wl_listener *listener, void *data) {
static void handle_unmap(struct wl_listener *listener, void *data) { static void handle_unmap(struct wl_listener *listener, void *data) {
struct sway_xwayland_surface *sway_surface = struct sway_xwayland_surface *sway_surface =
wl_container_of(listener, sway_surface, unmap); wl_container_of(listener, sway_surface, unmap);
view_damage_whole(sway_surface->view);
wl_list_remove(&sway_surface->view->unmanaged_view_link); wl_list_remove(&sway_surface->view->unmanaged_view_link);
wl_list_init(&sway_surface->view->unmanaged_view_link); wl_list_init(&sway_surface->view->unmanaged_view_link);
container_view_destroy(sway_surface->view->swayc); container_view_destroy(sway_surface->view->swayc);
@ -150,6 +151,8 @@ static void handle_map(struct wl_listener *listener, void *data) {
arrange_windows(cont->parent, -1, -1); arrange_windows(cont->parent, -1, -1);
sway_input_manager_set_focus(input_manager, cont); sway_input_manager_set_focus(input_manager, cont);
} }
view_damage_whole(sway_surface->view);
} }
static void handle_configure_request(struct wl_listener *listener, void *data) { static void handle_configure_request(struct wl_listener *listener, void *data) {

2
sway/tree/container.c
View file

@ -6,8 +6,8 @@
#include <wayland-server.h> #include <wayland-server.h>
#include <wlr/types/wlr_output_layout.h> #include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_wl_shell.h> #include <wlr/types/wlr_wl_shell.h>
#include "log.h"
#include "sway/config.h" #include "sway/config.h"
#include "sway/tree/container.h"
#include "sway/input/input-manager.h" #include "sway/input/input-manager.h"
#include "sway/input/seat.h" #include "sway/input/seat.h"
#include "sway/ipc-server.h" #include "sway/ipc-server.h"

5
sway/tree/output.c
View file

@ -26,9 +26,12 @@ struct sway_container *container_output_destroy(struct sway_container *output) {
} }
} }
wl_list_remove(&output->sway_output->frame.link);
wl_list_remove(&output->sway_output->destroy.link); wl_list_remove(&output->sway_output->destroy.link);
wl_list_remove(&output->sway_output->mode.link); wl_list_remove(&output->sway_output->mode.link);
wl_list_remove(&output->sway_output->transform.link);
wl_list_remove(&output->sway_output->damage_destroy.link);
wl_list_remove(&output->sway_output->damage_frame.link);
wlr_log(L_DEBUG, "OUTPUT: Destroying output '%s'", output->name); wlr_log(L_DEBUG, "OUTPUT: Destroying output '%s'", output->name);
container_destroy(output); container_destroy(output);

18
sway/tree/view.c
View file

@ -1,9 +1,10 @@
#include <wayland-server.h> #include <wayland-server.h>
#include <wlr/types/wlr_output_layout.h> #include <wlr/types/wlr_output_layout.h>
#include "log.h"
#include "sway/output.h"
#include "sway/tree/container.h" #include "sway/tree/container.h"
#include "sway/tree/layout.h" #include "sway/tree/layout.h"
#include "sway/tree/view.h" #include "sway/tree/view.h"
#include "log.h"
const char *view_get_title(struct sway_view *view) { const char *view_get_title(struct sway_view *view) {
if (view->iface.get_prop) { if (view->iface.get_prop) {
@ -105,3 +106,18 @@ struct sway_container *container_view_destroy(struct sway_container *view) {
arrange_windows(parent, -1, -1); arrange_windows(parent, -1, -1);
return parent; return parent;
} }
void view_damage_whole(struct sway_view *view) {
struct sway_container *cont = NULL;
for (int i = 0; i < root_container.children->length; ++i) {
cont = root_container.children->items[i];
if (cont->type == C_OUTPUT) {
output_damage_whole_view(cont->sway_output, view);
}
}
}
void view_damage_from(struct sway_view *view) {
// TODO
view_damage_whole(view);
}