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Preserve buffers during transactions

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* Also fix parts of the rendering where it was rendering the pending
state instead of current.
master
Ryan Dwyer 7 years ago
parent 645bf446fa
commit 1c89f32533
5 changed files with 76 additions and 67 deletions
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9
include/sway/tree/view.h
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@ -72,10 +72,11 @@ struct sway_view {
list_t *marks; // char *
list_t *instructions; // struct sway_transaction_instruction *
// If saved_texture is set, the main surface of the view will render this
// texture instead of its own. This is used while waiting for transactions
// to complete.
struct wlr_texture *saved_texture;
// If saved_buffer is set, the main surface of the view will render this
// buffer/texture instead of its own. This is used while waiting for
// transactions to complete.
struct wlr_buffer *saved_buffer;
int saved_surface_width, saved_surface_height;
struct wlr_texture *marks_focused;
struct wlr_texture *marks_focused_inactive;

101
sway/desktop/output.c
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@ -6,6 +6,7 @@
#include <wayland-server.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_buffer.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/types/wlr_output_damage.h>
#include <wlr/types/wlr_output_layout.h>
@ -112,8 +113,8 @@ static bool get_surface_box(struct root_geometry *geo,
static bool get_view_box(struct root_geometry *geo,
struct sway_output *output, struct sway_view *view, int sx, int sy,
struct wlr_box *surface_box) {
int sw = view->width;
int sh = view->height;
int sw = view->saved_surface_width;
int sh = view->saved_surface_height;
double _sx = sx, _sy = sy;
rotate_child_position(&_sx, &_sy, sw, sh, geo->width, geo->height,
@ -157,10 +158,10 @@ static void output_view_for_each_surface(struct sway_view *view,
struct root_geometry *geo, wlr_surface_iterator_func_t iterator,
void *user_data) {
struct render_data *data = user_data;
geo->x = view->x - data->output->swayc->x;
geo->y = view->y - data->output->swayc->y;
geo->width = view->surface->current->width;
geo->height = view->surface->current->height;
geo->x = view->swayc->current.view_x - data->output->swayc->x;
geo->y = view->swayc->current.view_y - data->output->swayc->y;
geo->width = view->swayc->current.view_width;
geo->height = view->swayc->current.view_height;
geo->rotation = 0; // TODO
view_for_each_surface(view, iterator, user_data);
@ -277,11 +278,11 @@ static void render_surface_iterator(struct wlr_surface *surface, int sx, int sy,
struct wlr_box box;
bool intersects;
// If this is the main surface of a view, render the saved_texture instead
// If this is the main surface of a view, render the saved_buffer instead
// if it exists. It exists when we are mid-transaction.
if (data->view && data->view->saved_texture &&
if (data->view && data->view->saved_buffer &&
data->view->surface == surface) {
texture = data->view->saved_texture;
texture = data->view->saved_buffer->texture;
intersects = get_view_box(&data->root_geo, data->output, data->view,
sx, sy, &box);
} else {
@ -405,46 +406,46 @@ static void render_view(struct sway_output *output, pixman_region32_t *damage,
float output_scale = output->wlr_output->scale;
float color[4];
if (view->border != B_NONE) {
if (view->border_left) {
if (con->current.border != B_NONE) {
if (con->current.border_left) {
memcpy(&color, colors->child_border, sizeof(float) * 4);
premultiply_alpha(color, con->alpha);
box.x = con->x;
box.y = view->y;
box.width = view->border_thickness;
box.height = view->height;
box.x = con->current.swayc_x;
box.y = con->current.view_y;
box.width = con->current.border_thickness;
box.height = con->current.view_height;
scale_box(&box, output_scale);
render_rect(output->wlr_output, damage, &box, color);
}
if (view->border_right) {
if (con->current.border_right) {
if (con->parent->children->length == 1
&& con->parent->layout == L_HORIZ) {
&& con->parent->current.layout == L_HORIZ) {
memcpy(&color, colors->indicator, sizeof(float) * 4);
} else {
memcpy(&color, colors->child_border, sizeof(float) * 4);
}
premultiply_alpha(color, con->alpha);
box.x = view->x + view->width;
box.y = view->y;
box.width = view->border_thickness;
box.height = view->height;
box.x = con->current.view_x + con->current.view_width;
box.y = con->current.view_y;
box.width = con->current.border_thickness;
box.height = con->current.view_height;
scale_box(&box, output_scale);
render_rect(output->wlr_output, damage, &box, color);
}
if (view->border_bottom) {
if (con->current.border_bottom) {
if (con->parent->children->length == 1
&& con->parent->layout == L_VERT) {
&& con->parent->current.layout == L_VERT) {
memcpy(&color, colors->indicator, sizeof(float) * 4);
} else {
memcpy(&color, colors->child_border, sizeof(float) * 4);
}
premultiply_alpha(color, con->alpha);
box.x = con->x;
box.y = view->y + view->height;
box.width = con->width;
box.height = view->border_thickness;
box.x = con->current.swayc_x;
box.y = con->current.view_y + con->current.view_height;
box.width = con->current.swayc_width;
box.height = con->current.border_thickness;
scale_box(&box, output_scale);
render_rect(output->wlr_output, damage, &box, color);
}
@ -468,9 +469,8 @@ static void render_titlebar(struct sway_output *output,
struct wlr_texture *marks_texture) {
struct wlr_box box;
float color[4];
struct sway_view *view = con->type == C_VIEW ? con->sway_view : NULL;
float output_scale = output->wlr_output->scale;
enum sway_container_layout layout = con->parent->layout;
enum sway_container_layout layout = con->parent->current.layout;
bool is_last_child =
con->parent->children->items[con->parent->children->length - 1] == con;
@ -489,9 +489,11 @@ static void render_titlebar(struct sway_output *output,
bool connects_sides = false;
if (layout == L_HORIZ || layout == L_VERT ||
(layout == L_STACKED && is_last_child)) {
if (view) {
left_offset = view->border_left * view->border_thickness;
right_offset = view->border_right * view->border_thickness;
if (con->type == C_VIEW) {
left_offset =
con->current.border_left * con->current.border_thickness;
right_offset =
con->current.border_right * con->current.border_thickness;
connects_sides = true;
}
}
@ -612,15 +614,16 @@ static void render_titlebar(struct sway_output *output,
// Left pixel in line with bottom bar
box.x = x;
box.y = y + container_titlebar_height() - TITLEBAR_BORDER_THICKNESS;
box.width = view->border_thickness * view->border_left;
box.width = con->current.border_thickness * con->current.border_left;
box.height = TITLEBAR_BORDER_THICKNESS;
scale_box(&box, output_scale);
render_rect(output->wlr_output, output_damage, &box, color);
// Right pixel in line with bottom bar
box.x = x + width - view->border_thickness * view->border_right;
box.x = x + width -
con->current.border_thickness * con->current.border_right;
box.y = y + container_titlebar_height() - TITLEBAR_BORDER_THICKNESS;
box.width = view->border_thickness * view->border_right;
box.width = con->current.border_thickness * con->current.border_right;
box.height = TITLEBAR_BORDER_THICKNESS;
scale_box(&box, output_scale);
render_rect(output->wlr_output, output_damage, &box, color);
@ -633,8 +636,7 @@ static void render_titlebar(struct sway_output *output,
static void render_top_border(struct sway_output *output,
pixman_region32_t *output_damage, struct sway_container *con,
struct border_colors *colors) {
struct sway_view *view = con->sway_view;
if (!view->border_top) {
if (!con->current.border_top) {
return;
}
struct wlr_box box;
@ -644,10 +646,10 @@ static void render_top_border(struct sway_output *output,
// Child border - top edge
memcpy(&color, colors->child_border, sizeof(float) * 4);
premultiply_alpha(color, con->alpha);
box.x = con->x;
box.y = con->y;
box.width = con->width;
box.height = view->border_thickness;
box.x = con->current.swayc_x;
box.y = con->current.swayc_y;
box.width = con->current.swayc_width;
box.height = con->current.border_thickness;
scale_box(&box, output_scale);
render_rect(output->wlr_output, output_damage, &box, color);
}
@ -688,9 +690,10 @@ static void render_container_simple(struct sway_output *output,
marks_texture = child->sway_view->marks_unfocused;
}
if (child->sway_view->border == B_NORMAL) {
render_titlebar(output, damage, child, child->x, child->y,
child->width, colors, title_texture, marks_texture);
if (child->current.border == B_NORMAL) {
render_titlebar(output, damage, child, child->current.swayc_x,
child->current.swayc_y, child->current.swayc_width,
colors, title_texture, marks_texture);
} else {
render_top_border(output, damage, child, colors);
}
@ -739,15 +742,15 @@ static void render_container_tabbed(struct sway_output *output,
marks_texture = view ? view->marks_unfocused : NULL;
}
int tab_width = con->width / con->children->length;
int x = con->x + tab_width * i;
int tab_width = con->current.swayc_width / con->children->length;
int x = con->current.swayc_x + tab_width * i;
// Make last tab use the remaining width of the parent
if (i == con->children->length - 1) {
tab_width = con->width - tab_width * i;
tab_width = con->current.swayc_width - tab_width * i;
}
render_titlebar(output, damage, child, x, child->y, tab_width, colors,
title_texture, marks_texture);
render_titlebar(output, damage, child, x, child->current.swayc_y,
tab_width, colors, title_texture, marks_texture);
if (child == current) {
current_colors = colors;

28
sway/desktop/transaction.c
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@ -2,6 +2,7 @@
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <wlr/types/wlr_buffer.h>
#include <wlr/types/wlr_linux_dmabuf.h>
#include "sway/debug.h"
#include "sway/desktop/transaction.h"
@ -112,16 +113,23 @@ void transaction_add_damage(struct sway_transaction *transaction,
list_add(transaction->damage, box);
}
static void save_view_texture(struct sway_view *view) {
wlr_texture_destroy(view->saved_texture);
view->saved_texture = NULL;
// TODO: Copy the texture and store it in view->saved_texture.
static void save_view_buffer(struct sway_view *view) {
if (view->saved_buffer) {
wlr_buffer_unref(view->saved_buffer);
}
wlr_buffer_ref(view->surface->buffer);
view->saved_buffer = view->surface->buffer;
view->saved_surface_width = view->surface->current->width;
view->saved_surface_height = view->surface->current->height;
}
static void remove_saved_view_texture(struct sway_view *view) {
wlr_texture_destroy(view->saved_texture);
view->saved_texture = NULL;
static void remove_saved_view_buffer(struct sway_view *view) {
if (view->saved_buffer) {
wlr_buffer_unref(view->saved_buffer);
view->saved_buffer = NULL;
view->saved_surface_width = 0;
view->saved_surface_height = 0;
}
}
/**
@ -141,7 +149,7 @@ static void transaction_apply(struct sway_transaction *transaction) {
sizeof(struct sway_container_state));
if (container->type == C_VIEW) {
remove_saved_view_texture(container->sway_view);
remove_saved_view_buffer(container->sway_view);
}
}
@ -183,7 +191,7 @@ void transaction_commit(struct sway_transaction *transaction) {
instruction->state.view_width,
instruction->state.view_height);
if (instruction->serial) {
save_view_texture(con->sway_view);
save_view_buffer(con->sway_view);
list_add(con->sway_view->instructions, instruction);
++transaction->num_waiting;
}

2
sway/desktop/xwayland.c
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@ -261,8 +261,8 @@ static void handle_commit(struct wl_listener *listener, void *data) {
view_update_size(view, view->swayc->width, view->swayc->height);
}
view_update_position(view, view->x, view->y);
view_damage_from(view);
}
view_damage_from(view);
}
static void handle_unmap(struct wl_listener *listener, void *data) {

3
sway/tree/container.c
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@ -766,9 +766,6 @@ static void update_title_texture(struct sway_container *con,
"Unexpected type %s", container_type_to_str(con->type))) {
return;
}
if (!con->width) {
return;
}
struct sway_container *output = container_parent(con, C_OUTPUT);
if (!output) {
return;

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