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view: Save all buffers associated with view

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During the execution of a resize transaction, the buffer associated
with a view's surface is saved and reused until the client acknowledges
the resulting configure event.

However, only one the main buffer of the main surface was stored and
rendered, meaning that subsurfaces disappear during resize.

Iterate over all, store and render buffers from all surfaces in the view
to ensure that correct rendering is preserved.
This commit is contained in:
Kenny Levinsen 2020-05-31 01:37:43 +02:00 • committed by Simon Ser
parent 613abdda6f
commit fcd0ab8f33
5 changed files with 86 additions and 54 deletions
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23
sway/desktop/transaction.c
View file

@ -210,14 +210,17 @@ static void apply_container_state(struct sway_container *container,
struct sway_view *view = container->view;
// Damage the old location
desktop_damage_whole_container(container);
if (view && view->saved_buffer) {
struct wlr_box box = {
.x = container->current.content_x - view->saved_geometry.x,
.y = container->current.content_y - view->saved_geometry.y,
.width = view->saved_buffer_width,
.height = view->saved_buffer_height,
};
desktop_damage_box(&box);
if (view && !wl_list_empty(&view->saved_buffers)) {
struct sway_saved_buffer *saved_buf;
wl_list_for_each(saved_buf, &view->saved_buffers, link) {
struct wlr_box box = {
.x = container->current.content_x - view->saved_geometry.x + saved_buf->x,
.y = container->current.content_y - view->saved_geometry.y + saved_buf->y,
.width = saved_buf->width,
.height = saved_buf->height,
};
desktop_damage_box(&box);
}
}
// There are separate children lists for each instruction state, the
@ -229,7 +232,7 @@ static void apply_container_state(struct sway_container *container,
memcpy(&container->current, state, sizeof(struct sway_container_state));
if (view && view->saved_buffer) {
if (view && !wl_list_empty(&view->saved_buffers)) {
if (!container->node.destroying || container->node.ntxnrefs == 1) {
view_remove_saved_buffer(view);
}
@ -432,7 +435,7 @@ static void transaction_commit(struct sway_transaction *transaction) {
wlr_surface_send_frame_done(
node->sway_container->view->surface, &now);
}
if (node_is_view(node) && !node->sway_container->view->saved_buffer) {
if (node_is_view(node) && wl_list_empty(&node->sway_container->view->saved_buffers)) {
view_save_buffer(node->sway_container->view);
memcpy(&node->sway_container->view->saved_geometry,
&node->sway_container->view->geometry,