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Merge pull request #1923 from emersion/full-damage-tracking

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Implement full damage tracking
master
Drew DeVault 7 years ago committed by GitHub
parent 3bab37858a 44fcc06efd
commit fbddd34b47
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GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 240 additions and 132 deletions
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4
include/sway/output.h
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@ -37,8 +37,8 @@ void output_damage_whole(struct sway_output *output);
void output_damage_surface(struct sway_output *output, double ox, double oy,
struct wlr_surface *surface, bool whole);
void output_damage_view(struct sway_output *output, struct sway_view *view,
bool whole);
void output_damage_from_view(struct sway_output *output,
struct sway_view *view);
void output_damage_whole_container(struct sway_output *output,
struct sway_container *con);

2
include/sway/tree/view.h
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@ -184,7 +184,7 @@ void view_set_fullscreen(struct sway_view *view, bool fullscreen);
void view_close(struct sway_view *view);
void view_damage(struct sway_view *view, bool whole);
void view_damage_from(struct sway_view *view);
void view_for_each_surface(struct sway_view *view,
wlr_surface_iterator_func_t iterator, void *user_data);

279
sway/desktop/output.c
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@ -163,14 +163,65 @@ static void scale_box(struct wlr_box *box, float scale) {
struct render_data {
struct root_geometry root_geo;
struct sway_output *output;
pixman_region32_t *damage;
float alpha;
};
static void scissor_output(struct wlr_output *wlr_output,
pixman_box32_t *rect) {
struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend);
assert(renderer);
struct wlr_box box = {
.x = rect->x1,
.y = rect->y1,
.width = rect->x2 - rect->x1,
.height = rect->y2 - rect->y1,
};
int ow, oh;
wlr_output_transformed_resolution(wlr_output, &ow, &oh);
enum wl_output_transform transform =
wlr_output_transform_invert(wlr_output->transform);
wlr_box_transform(&box, transform, ow, oh, &box);
wlr_renderer_scissor(renderer, &box);
}
static void render_texture(struct wlr_output *wlr_output,
pixman_region32_t *output_damage, struct wlr_texture *texture,
const struct wlr_box *box, const float matrix[static 9], float alpha) {
struct wlr_renderer *renderer =
wlr_backend_get_renderer(wlr_output->backend);
pixman_region32_t damage;
pixman_region32_init(&damage);
pixman_region32_union_rect(&damage, &damage, box->x, box->y,
box->width, box->height);
pixman_region32_intersect(&damage, &damage, output_damage);
bool damaged = pixman_region32_not_empty(&damage);
if (!damaged) {
goto damage_finish;
}
int nrects;
pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(wlr_output, &rects[i]);
wlr_render_texture_with_matrix(renderer, texture, matrix, alpha);
}
damage_finish:
pixman_region32_fini(&damage);
}
static void render_surface_iterator(struct wlr_surface *surface, int sx, int sy,
void *_data) {
struct render_data *data = _data;
struct wlr_output *wlr_output = data->output->wlr_output;
float rotation = data->root_geo.rotation;
pixman_region32_t *output_damage = data->damage;
float alpha = data->alpha;
if (!wlr_surface_has_buffer(surface)) {
@ -184,13 +235,6 @@ static void render_surface_iterator(struct wlr_surface *surface, int sx, int sy,
return;
}
struct wlr_renderer *renderer =
wlr_backend_get_renderer(wlr_output->backend);
if (!sway_assert(renderer != NULL,
"expected the output backend to have a renderer")) {
return;
}
scale_box(&box, wlr_output->scale);
float matrix[9];
@ -199,38 +243,81 @@ static void render_surface_iterator(struct wlr_surface *surface, int sx, int sy,
wlr_matrix_project_box(matrix, &box, transform, rotation,
wlr_output->transform_matrix);
wlr_render_texture_with_matrix(renderer, surface->texture,
matrix, alpha);
render_texture(wlr_output, output_damage, surface->texture, &box, matrix,
alpha);
}
static void render_layer(struct sway_output *output,
struct wl_list *layer_surfaces) {
struct render_data data = { .output = output, .alpha = 1.0f };
pixman_region32_t *damage, struct wl_list *layer_surfaces) {
struct render_data data = {
.output = output,
.damage = damage,
.alpha = 1.0f,
};
layer_for_each_surface(layer_surfaces, &data.root_geo,
render_surface_iterator, &data);
}
static void render_unmanaged(struct sway_output *output,
struct wl_list *unmanaged) {
struct render_data data = { .output = output, .alpha = 1.0f };
pixman_region32_t *damage, struct wl_list *unmanaged) {
struct render_data data = {
.output = output,
.damage = damage,
.alpha = 1.0f,
};
unmanaged_for_each_surface(unmanaged, output, &data.root_geo,
render_surface_iterator, &data);
}
static void render_view(struct sway_view *view, struct sway_output *output) {
struct render_data data = { .output = output, .alpha = view->swayc->alpha };
static void render_view(struct sway_view *view, struct sway_output *output,
pixman_region32_t *damage) {
struct render_data data = {
.output = output,
.damage = damage,
.alpha = view->swayc->alpha,
};
output_view_for_each_surface(
view, &data.root_geo, render_surface_iterator, &data);
}
static void render_rect(struct wlr_output *wlr_output,
pixman_region32_t *output_damage, const struct wlr_box *_box,
float color[static 4]) {
struct wlr_renderer *renderer =
wlr_backend_get_renderer(wlr_output->backend);
struct wlr_box box = *_box;
scale_box(&box, wlr_output->scale);
pixman_region32_t damage;
pixman_region32_init(&damage);
pixman_region32_union_rect(&damage, &damage, box.x, box.y,
box.width, box.height);
pixman_region32_intersect(&damage, &damage, output_damage);
bool damaged = pixman_region32_not_empty(&damage);
if (!damaged) {
goto damage_finish;
}
int nrects;
pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(wlr_output, &rects[i]);
wlr_render_rect(renderer, &box, color,
wlr_output->transform_matrix);
}
damage_finish:
pixman_region32_fini(&damage);
}
/**
* Render decorations for a view with "border normal".
*/
static void render_container_simple_border_normal(struct sway_output *output,
pixman_region32_t *output_damage,
struct sway_container *con, struct border_colors *colors,
struct wlr_texture *title_texture) {
struct wlr_renderer *renderer =
wlr_backend_get_renderer(output->wlr_output->backend);
struct wlr_box box;
float color[4];
@ -241,9 +328,7 @@ static void render_container_simple_border_normal(struct sway_output *output,
box.y = con->y + 1;
box.width = con->sway_view->border_thickness;
box.height = con->height - 1;
scale_box(&box, output->wlr_output->scale);
wlr_render_rect(renderer, &box, color,
output->wlr_output->transform_matrix);
render_rect(output->wlr_output, output_damage, &box, color);
// Child border - right edge
if (con->parent->children->length == 1 && con->parent->layout == L_HORIZ) {
@ -256,9 +341,7 @@ static void render_container_simple_border_normal(struct sway_output *output,
box.y = con->y + 1;
box.width = con->sway_view->border_thickness;
box.height = con->height - 1;
scale_box(&box, output->wlr_output->scale);
wlr_render_rect(renderer, &box, color,
output->wlr_output->transform_matrix);
render_rect(output->wlr_output, output_damage, &box, color);
// Child border - bottom edge
if (con->parent->children->length == 1 && con->parent->layout == L_VERT) {
@ -271,9 +354,7 @@ static void render_container_simple_border_normal(struct sway_output *output,
box.y = con->y + con->height - con->sway_view->border_thickness;
box.width = con->width;
box.height = con->sway_view->border_thickness;
scale_box(&box, output->wlr_output->scale);
wlr_render_rect(renderer, &box, color,
output->wlr_output->transform_matrix);
render_rect(output->wlr_output, output_damage, &box, color);
// Single pixel bar above title
memcpy(&color, colors->border, sizeof(float) * 4);
@ -282,18 +363,14 @@ static void render_container_simple_border_normal(struct sway_output *output,
box.y = con->y;
box.width = con->width;
box.height = 1;
scale_box(&box, output->wlr_output->scale);
wlr_render_rect(renderer, &box, color,
output->wlr_output->transform_matrix);
render_rect(output->wlr_output, output_damage, &box, color);
// Single pixel bar below title
box.x = con->x + con->sway_view->border_thickness;
box.y = con->sway_view->y - 1;
box.width = con->width - con->sway_view->border_thickness * 2;
box.height = 1;
scale_box(&box, output->wlr_output->scale);
wlr_render_rect(renderer, &box, color,
output->wlr_output->transform_matrix);
render_rect(output->wlr_output, output_damage, &box, color);
// Title background
memcpy(&color, colors->background, sizeof(float) * 4);
@ -302,20 +379,24 @@ static void render_container_simple_border_normal(struct sway_output *output,
box.y = con->y + 1;
box.width = con->width - con->sway_view->border_thickness * 2;
box.height = con->sway_view->y - con->y - 2;
scale_box(&box, output->wlr_output->scale);
wlr_render_rect(renderer, &box, color,
output->wlr_output->transform_matrix);
render_rect(output->wlr_output, output_damage, &box, color);
// Title text
if (title_texture) {
struct wlr_box scissor_box;
wlr_box_transform(&box,
wlr_output_transform_invert(output->wlr_output->transform),
output->swayc->width, output->swayc->height, &scissor_box);
wlr_renderer_scissor(renderer, &scissor_box);
wlr_render_texture(renderer, title_texture,
output->wlr_output->transform_matrix, box.x, box.y, 1);
wlr_renderer_scissor(renderer, NULL);
float output_scale = output->wlr_output->scale;
struct wlr_box texture_box = {
.x = box.x * output_scale,
.y = box.y * output_scale,
};
wlr_texture_get_size(title_texture,
&texture_box.width, &texture_box.height);
float matrix[9];
wlr_matrix_project_box(matrix, &texture_box, WL_OUTPUT_TRANSFORM_NORMAL,
0.0, output->wlr_output->transform_matrix);
render_texture(output->wlr_output, output_damage, title_texture,
&texture_box, matrix, 1.0);
}
}
@ -323,9 +404,8 @@ static void render_container_simple_border_normal(struct sway_output *output,
* Render decorations for a view with "border pixel".
*/
static void render_container_simple_border_pixel(struct sway_output *output,
struct sway_container *con, struct border_colors *colors) {
struct wlr_renderer *renderer =
wlr_backend_get_renderer(output->wlr_output->backend);
pixman_region32_t *output_damage, struct sway_container *con,
struct border_colors *colors) {
struct wlr_box box;
float color[4];
@ -336,9 +416,7 @@ static void render_container_simple_border_pixel(struct sway_output *output,
box.y = con->y;
box.width = con->sway_view->border_thickness;
box.height = con->height;
scale_box(&box, output->wlr_output->scale);
wlr_render_rect(renderer, &box, color,
output->wlr_output->transform_matrix);
render_rect(output->wlr_output, output_damage, &box, color);
// Child border - right edge
if (con->parent->children->length == 1 && con->parent->layout == L_HORIZ) {
@ -351,18 +429,14 @@ static void render_container_simple_border_pixel(struct sway_output *output,
box.y = con->y;
box.width = con->sway_view->border_thickness;
box.height = con->height;
scale_box(&box, output->wlr_output->scale);
wlr_render_rect(renderer, &box, color,
output->wlr_output->transform_matrix);
render_rect(output->wlr_output, output_damage, &box, color);
// Child border - top edge
box.x = con->x;
box.y = con->y;
box.width = con->width;
box.height = con->sway_view->border_thickness;
scale_box(&box, output->wlr_output->scale);
wlr_render_rect(renderer, &box, color,
output->wlr_output->transform_matrix);
render_rect(output->wlr_output, output_damage, &box, color);
// Child border - bottom edge
if (con->parent->children->length == 1 && con->parent->layout == L_VERT) {
@ -375,13 +449,11 @@ static void render_container_simple_border_pixel(struct sway_output *output,
box.y = con->y + con->height - con->sway_view->border_thickness;
box.width = con->width;
box.height = con->sway_view->border_thickness;
scale_box(&box, output->wlr_output->scale);
wlr_render_rect(renderer, &box, color,
output->wlr_output->transform_matrix);
render_rect(output->wlr_output, output_damage, &box, color);
}
static void render_container(struct sway_output *output,
struct sway_container *con);
pixman_region32_t *damage, struct sway_container *con);
/**
* Render a container's children using a L_HORIZ or L_VERT layout.
@ -390,7 +462,7 @@ static void render_container(struct sway_output *output,
* they'll apply their own borders to their children.
*/
static void render_container_simple(struct sway_output *output,
struct sway_container *con) {
pixman_region32_t *damage, struct sway_container *con) {
struct sway_seat *seat = input_manager_current_seat(input_manager);
struct sway_container *focus = seat_get_focus(seat);
@ -413,15 +485,16 @@ static void render_container_simple(struct sway_output *output,
}
if (child->sway_view->border == B_NORMAL) {
render_container_simple_border_normal(output, child,
colors, title_texture);
render_container_simple_border_normal(output, damage,
child, colors, title_texture);
} else {
render_container_simple_border_pixel(output, child, colors);
render_container_simple_border_pixel(output, damage, child,
colors);
}
}
render_view(child->sway_view, output);
render_view(child->sway_view, output, damage);
} else {
render_container(output, child);
render_container(output, damage, child);
}
}
}
@ -430,7 +503,7 @@ static void render_container_simple(struct sway_output *output,
* Render a container's children using the L_TABBED layout.
*/
static void render_container_tabbed(struct sway_output *output,
struct sway_container *con) {
pixman_region32_t *damage, struct sway_container *con) {
// TODO
}
@ -438,23 +511,23 @@ static void render_container_tabbed(struct sway_output *output,
* Render a container's children using the L_STACKED layout.
*/
static void render_container_stacked(struct sway_output *output,
struct sway_container *con) {
pixman_region32_t *damage, struct sway_container *con) {
// TODO
}
static void render_container(struct sway_output *output,
struct sway_container *con) {
pixman_region32_t *damage, struct sway_container *con) {
switch (con->layout) {
case L_NONE:
case L_HORIZ:
case L_VERT:
render_container_simple(output, con);
render_container_simple(output, damage, con);
break;
case L_STACKED:
render_container_stacked(output, con);
render_container_stacked(output, damage, con);
break;
case L_TABBED:
render_container_tabbed(output, con);
render_container_tabbed(output, damage, con);
break;
case L_FLOATING:
// TODO
@ -496,37 +569,51 @@ static void render_output(struct sway_output *output, struct timespec *when,
goto renderer_end;
}
// TODO: don't damage the whole output
int width, height;
wlr_output_transformed_resolution(wlr_output, &width, &height);
pixman_region32_union_rect(damage, damage, 0, 0, width, height);
//wlr_renderer_clear(renderer, (float[]){1, 1, 0, 1});
struct sway_container *workspace = output_get_active_workspace(output);
if (workspace->sway_workspace->fullscreen) {
float clear_color[] = {0.0f, 0.0f, 0.0f, 1.0f};
int nrects;
pixman_box32_t *rects = pixman_region32_rectangles(damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(wlr_output, &rects[i]);
wlr_renderer_clear(renderer, clear_color);
}
// TODO: handle views smaller than the output
render_view(workspace->sway_workspace->fullscreen, output);
render_view(workspace->sway_workspace->fullscreen, output, damage);
if (workspace->sway_workspace->fullscreen->type == SWAY_VIEW_XWAYLAND) {
render_unmanaged(output,
render_unmanaged(output, damage,
&root_container.sway_root->xwayland_unmanaged);
}
} else {
float clear_color[] = {0.25f, 0.25f, 0.25f, 1.0f};
int nrects;
pixman_box32_t *rects = pixman_region32_rectangles(damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(wlr_output, &rects[i]);
wlr_renderer_clear(renderer, clear_color);
}
render_layer(output,
render_layer(output, damage,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND]);
render_layer(output, &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]);
render_layer(output, damage,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]);
render_container(output, workspace);
render_container(output, damage, workspace);
render_unmanaged(output, &root_container.sway_root->xwayland_unmanaged);
render_layer(output, &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]);
render_unmanaged(output, damage,
&root_container.sway_root->xwayland_unmanaged);
render_layer(output, damage,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]);
}
render_layer(output, &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]);
render_layer(output, damage,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]);
renderer_end:
if (root_container.sway_root->debug_tree) {
@ -534,6 +621,7 @@ renderer_end:
wlr_output->transform_matrix, 0, 0, 1);
}
wlr_renderer_scissor(renderer, NULL);
wlr_renderer_end(renderer);
if (!wlr_output_damage_swap_buffers(output->damage, when, damage)) {
return;
@ -663,10 +751,6 @@ static void damage_surface_iterator(struct wlr_surface *surface, int sx, int sy,
scale_box(&box, output->wlr_output->scale);
if (whole) {
wlr_box_rotated_bounds(&box, rotation, &box);
wlr_output_damage_add_box(output->damage, &box);
} else {
int center_x = box.x + box.width/2;
int center_y = box.y + box.height/2;
@ -685,6 +769,10 @@ static void damage_surface_iterator(struct wlr_surface *surface, int sx, int sy,
center_x, center_y);
wlr_output_damage_add(output->damage, &damage);
pixman_region32_fini(&damage);
if (whole) {
wlr_box_rotated_bounds(&box, rotation, &box);
wlr_output_damage_add_box(output->damage, &box);
}
}
@ -699,8 +787,8 @@ void output_damage_surface(struct sway_output *output, double ox, double oy,
damage_surface_iterator, &data);
}
void output_damage_view(struct sway_output *output, struct sway_view *view,
bool whole) {
static void output_damage_view(struct sway_output *output,
struct sway_view *view, bool whole) {
if (!sway_assert(view->swayc != NULL, "expected a view in the tree")) {
return;
}
@ -720,6 +808,11 @@ void output_damage_view(struct sway_output *output, struct sway_view *view,
damage_surface_iterator, &data);
}
void output_damage_from_view(struct sway_output *output,
struct sway_view *view) {
output_damage_view(output, view, false);
}
static void output_damage_whole_container_iterator(struct sway_container *con,
void *data) {
struct sway_output *output = data;
@ -742,8 +835,12 @@ void output_damage_whole_container(struct sway_output *output,
};
wlr_output_damage_add_box(output->damage, &box);
container_descendants(con, C_VIEW, output_damage_whole_container_iterator,
output);
if (con->type == C_VIEW) {
output_damage_whole_container_iterator(con, output);
} else {
container_descendants(con, C_VIEW,
output_damage_whole_container_iterator, output);
}
}
static void damage_handle_destroy(struct wl_listener *listener, void *data) {

2
sway/desktop/wl_shell.c
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@ -85,7 +85,7 @@ static void handle_commit(struct wl_listener *listener, void *data) {
// TODO: Let floating views do whatever
view_update_size(view, wl_shell_view->pending_width,
wl_shell_view->pending_height);
view_damage(view, false);
view_damage_from(view);
}
static void handle_destroy(struct wl_listener *listener, void *data) {

2
sway/desktop/xdg_shell_v6.c
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@ -177,7 +177,7 @@ static void handle_commit(struct wl_listener *listener, void *data) {
view_update_size(view, xdg_shell_v6_view->pending_width,
xdg_shell_v6_view->pending_height);
view_update_title(view, false);
view_damage(view, false);
view_damage_from(view);
}
static void handle_new_popup(struct wl_listener *listener, void *data) {

2
sway/desktop/xwayland.c
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@ -222,7 +222,7 @@ static void handle_commit(struct wl_listener *listener, void *data) {
// TODO: Let floating views do whatever
view_update_size(view, xwayland_view->pending_width,
xwayland_view->pending_height);
view_damage(view, false);
view_damage_from(view);
view_update_title(view, false);
}

5
sway/input/seat.c
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@ -530,6 +530,7 @@ void seat_set_focus_warp(struct sway_seat *seat,
if (container->type == C_VIEW) {
seat_send_focus(seat, container);
}
container_damage_whole(container);
}
// clean up unfocused empty workspace on new output
@ -575,6 +576,10 @@ void seat_set_focus_warp(struct sway_seat *seat,
}
}
if (last_focus) {
container_damage_whole(last_focus);
}
if (last_focus && last_focus->type == C_VIEW &&
!input_manager_has_focus(seat->input, last_focus)) {
struct sway_view *view = last_focus->sway_view;

12
sway/tree/container.c
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@ -547,12 +547,13 @@ bool container_has_child(struct sway_container *con,
return container_find(con, find_child_func, child);
}
void container_damage_whole(struct sway_container *con) {
struct sway_container *output = con;
if (output->type != C_OUTPUT) {
output = container_parent(output, C_OUTPUT);
void container_damage_whole(struct sway_container *container) {
for (int i = 0; i < root_container.children->length; ++i) {
struct sway_container *cont = root_container.children->items[i];
if (cont->type == C_OUTPUT) {
output_damage_whole_container(cont->sway_output, container);
}
}
output_damage_whole_container(output->sway_output, con);
}
static void update_title_texture(struct sway_container *con,
@ -620,6 +621,7 @@ void container_update_title_textures(struct sway_container *container) {
&config->border_colors.unfocused);
update_title_texture(container, &container->title_urgent,
&config->border_colors.urgent);
container_damage_whole(container);
}
void container_calculate_title_height(struct sway_container *container) {

26
sway/tree/view.c
Unescape View File

@ -199,11 +199,11 @@ void view_close(struct sway_view *view) {
}
}
void view_damage(struct sway_view *view, bool whole) {
void view_damage_from(struct sway_view *view) {
for (int i = 0; i < root_container.children->length; ++i) {
struct sway_container *cont = root_container.children->items[i];
if (cont->type == C_OUTPUT) {
output_damage_view(cont->sway_output, view, whole);
output_damage_from_view(cont->sway_output, view);
}
}
}
@ -333,7 +333,7 @@ void view_map(struct sway_view *view, struct wlr_surface *wlr_surface) {
arrange_children_of(cont->parent);
input_manager_set_focus(input_manager, cont);
view_damage(view, true);
container_damage_whole(cont);
view_handle_container_reparent(&view->container_reparent, NULL);
view_execute_criteria(view);
@ -351,7 +351,7 @@ void view_unmap(struct sway_view *view) {
ws->sway_workspace->fullscreen = NULL;
}
view_damage(view, true);
container_damage_whole(view->swayc);
wl_list_remove(&view->surface_new_subsurface.link);
wl_list_remove(&view->container_reparent.link);
@ -380,10 +380,10 @@ void view_update_position(struct sway_view *view, double ox, double oy) {
// TODO: Only allow this if the view is floating (this function will only be
// called in response to wayland clients wanting to reposition themselves).
view_damage(view, true);
container_damage_whole(view->swayc);
view->swayc->x = ox;
view->swayc->y = oy;
view_damage(view, true);
container_damage_whole(view->swayc);
}
void view_update_size(struct sway_view *view, int width, int height) {
@ -391,11 +391,11 @@ void view_update_size(struct sway_view *view, int width, int height) {
return;
}
view_damage(view, true);
container_damage_whole(view->swayc);
// Should we update the swayc width/height here too?
view->width = width;
view->height = height;
view_damage(view, true);
container_damage_whole(view->swayc);
}
@ -414,7 +414,7 @@ static void view_child_handle_surface_commit(struct wl_listener *listener,
struct sway_view_child *child =
wl_container_of(listener, child, surface_commit);
// TODO: only accumulate damage from the child
view_damage(child->view, false);
view_damage_from(child->view);
}
static void view_child_handle_surface_new_subsurface(
@ -476,12 +476,16 @@ void view_child_init(struct sway_view_child *child,
view_init_subsurfaces(child->view, surface);
// TODO: only damage the whole child
view_damage(child->view, true);
if (child->view->swayc) {
container_damage_whole(child->view->swayc);
}
}
void view_child_destroy(struct sway_view_child *child) {
// TODO: only damage the whole child
view_damage(child->view, true);
if (child->view->swayc) {
container_damage_whole(child->view->swayc);
}
wl_list_remove(&child->surface_commit.link);
wl_list_remove(&child->surface_destroy.link);

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