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Some minor performance improvements - most notably, don't search the

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input state table if the next character matches the same state as before.
This commit is contained in:
nicm 2019-09-24 20:44:58 +00:00
parent e8adcae0f2
commit e3359f8349
4 changed files with 34 additions and 24 deletions
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22
grid.c
View File

@ -186,17 +186,19 @@ grid_clear_cell(struct grid *gd, u_int px, u_int py, u_int bg)
struct grid_cell *gc;
memcpy(gce, &grid_cleared_entry, sizeof *gce);
if (bg & COLOUR_FLAG_RGB) {
grid_get_extended_cell(gl, gce, gce->flags);
gl->flags |= GRID_LINE_EXTENDED;
if (bg != 8) {
if (bg & COLOUR_FLAG_RGB) {
grid_get_extended_cell(gl, gce, gce->flags);
gl->flags |= GRID_LINE_EXTENDED;
gc = &gl->extddata[gce->offset];
memcpy(gc, &grid_cleared_cell, sizeof *gc);
gc->bg = bg;
} else {
if (bg & COLOUR_FLAG_256)
gce->flags |= GRID_FLAG_BG256;
gce->data.bg = bg;
gc = &gl->extddata[gce->offset];
memcpy(gc, &grid_cleared_cell, sizeof *gc);
gc->bg = bg;
} else {
if (bg & COLOUR_FLAG_256)
gce->flags |= GRID_FLAG_BG256;
gce->data.bg = bg;
}
}
}

27
input.c
View File

@ -888,7 +888,8 @@ input_parse_buffer(struct window_pane *wp, u_char *buf, size_t len)
{
struct input_ctx *ictx = wp->ictx;
struct screen_write_ctx *sctx = &ictx->ctx;
const struct input_transition *itr;
const struct input_state *state = NULL;
const struct input_transition *itr = NULL;
size_t off = 0;
if (len == 0)
@ -916,16 +917,22 @@ input_parse_buffer(struct window_pane *wp, u_char *buf, size_t len)
ictx->ch = buf[off++];
/* Find the transition. */
itr = ictx->state->transitions;
while (itr->first != -1 && itr->last != -1) {
if (ictx->ch >= itr->first && ictx->ch <= itr->last)
break;
itr++;
}
if (itr->first == -1 || itr->last == -1) {
/* No transition? Eh? */
fatalx("no transition from state");
if (ictx->state != state ||
itr == NULL ||
ictx->ch < itr->first ||
ictx->ch > itr->last) {
itr = ictx->state->transitions;
while (itr->first != -1 && itr->last != -1) {
if (ictx->ch >= itr->first && ictx->ch <= itr->last)
break;
itr++;
}
if (itr->first == -1 || itr->last == -1) {
/* No transition? Eh? */
fatalx("no transition from state");
}
}
state = ictx->state;
/*
* Any state except print stops the current collection. This is

3
log.c
View File

@ -131,6 +131,9 @@ log_debug(const char *msg, ...)
{
va_list ap;
if (log_file == NULL)
return;
va_start(ap, msg);
log_vwrite(msg, ap);
va_end(ap);

6
screen-write.c
View File

@ -1326,8 +1326,7 @@ screen_write_collect_end(struct screen_write_ctx *ctx)
}
}
memcpy(&gc, &ci->gc, sizeof gc);
grid_view_set_cells(s->grid, s->cx, s->cy, &gc, ci->data, ci->used);
grid_view_set_cells(s->grid, s->cx, s->cy, &ci->gc, ci->data, ci->used);
screen_write_set_cursor(ctx, s->cx + ci->used, -1);
for (xx = s->cx; xx < screen_size_x(s); xx++) {
@ -1351,8 +1350,7 @@ screen_write_collect_add(struct screen_write_ctx *ctx,
/*
* Don't need to check that the attributes and whatnot are still the
* same - input_parse will end the collection when anything that isn't
* a plain character is encountered. Also nothing should make it here
* that isn't a single ASCII character.
* a plain character is encountered.
*/
collect = 1;