circlecloud/tmux
1
0
Fork 0
mirror of https://github.com/tmux/tmux.git synced 2026-06-21 09:45:41 +00:00
Code Issues Projects Releases Wiki Activity

Cache scene for client and invalidate when changes.

Browse Source
This commit is contained in:
Nicholas Marriott
2026-06-16 23:04:57 +01:00
parent 2af751d78d
commit b7fa115aab
6 changed files with 77 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
screen-redraw.c
View File

@@ -149,6 +149,8 @@ struct redraw_scene {
struct client *c;
struct window *w;
uint64_t generation;
u_int sx;
u_int sy;
u_int ox;
@@ -818,6 +820,7 @@ screen_redraw_make_scene(struct client *c)
scene = xcalloc(1, sizeof *scene);
scene->c = c;
scene->w = bctx.w;
scene->generation = bctx.w->redraw_scene_generation;
scene->sx = bctx.sx;
scene->sy = bctx.sy;
scene->ox = bctx.ox;
@@ -851,13 +854,16 @@ screen_redraw_make_scene(struct client *c)
}
/* Free a scene. */
static void
void
screen_redraw_free_scene(struct redraw_scene *scene)
{
struct redraw_spans *spans;
struct redraw_span *span, *span1;
u_int y, type;
if (scene == NULL)
return;
for (y = 0; y < scene->sy; y++) {
for (type = 0; type < REDRAW_SPAN_TYPES; type++) {
spans = &scene->lines[y].spans[type];
@@ -871,6 +877,46 @@ screen_redraw_free_scene(struct redraw_scene *scene)
free(scene);
}
/* Mark a window's cached redraw scenes as out of date. */
void
screen_redraw_invalidate_scene(struct window *w)
{
w->redraw_scene_generation++;
}
/* Mark all cached redraw scenes as out of date. */
void
screen_redraw_invalidate_all_scenes(void)
{
struct window *w;
RB_FOREACH(w, windows, &windows)
screen_redraw_invalidate_scene(w);
}
/* Get the cached redraw scene, rebuilding it if needed. */
static struct redraw_scene *
screen_redraw_get_scene(struct client *c)
{
struct redraw_scene *scene = c->redraw_scene;
struct window *w = c->session->curw->window;
u_int ox, oy, sx, sy;
tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
if (scene == NULL ||
scene->w != w ||
scene->generation != w->redraw_scene_generation ||
scene->ox != ox ||
scene->oy != oy ||
scene->sx != sx ||
scene->sy != sy) {
screen_redraw_free_scene(scene);
scene = screen_redraw_make_scene(c);
c->redraw_scene = scene;
}
return (scene);
}
/* Is this span adjacent to this pane? */
static int
screen_redraw_span_has_pane(struct redraw_span *span, struct window_pane *wp)
@@ -1379,7 +1425,9 @@ screen_redraw_draw(struct client *c, struct window_pane *wp, int flags)
}
}
scene = screen_redraw_make_scene(c); //XXX
scene = screen_redraw_get_scene(c);
if (scene == NULL)
return;
if (scene == NULL)
return;
screen_redraw_set_draw_context(&dctx, scene);
@@ -1411,10 +1459,8 @@ screen_redraw_draw(struct client *c, struct window_pane *wp, int flags)
}
if (!redraw && !REDRAW_IS_ALL(flags)) {
flags &= ~REDRAW_PANE_STATUS;
if (flags == 0) {
screen_redraw_free_scene(scene);
if (flags == 0)
return;
}
}
}
@@ -1457,7 +1503,6 @@ screen_redraw_draw(struct client *c, struct window_pane *wp, int flags)
tty_reset(tty);
tty_sync_end(tty);
screen_redraw_free_scene(scene); //XXX
}
/* Get cell type for offset from span. */