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perf(column): only invalidate lines affected by added sign

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This commit is contained in:
Luuk van Baal
2023-11-28 05:40:18 +01:00
committed by Lewis Russell
parent 584c6c25cc
commit f4001d27ef
5 changed files with 64 additions and 76 deletions
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24
src/nvim/decoration.c
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@@ -791,22 +791,15 @@ DecorSignHighlight *decor_find_sign(DecorInline decor)
}
}
// Get the maximum required amount of sign columns needed between row and
// end_row.
int decor_signcols(buf_T *buf, int row, int end_row, int max)
// Increase the signcolumn size and update the sentinel line if necessary for
// the invalidated range.
void decor_validate_signcols(buf_T *buf, int max)
{
if (max <= 1 && buf->b_signs_with_text >= (size_t)max) {
return max;
}
if (buf->b_signs_with_text == 0) {
return 0;
}
int signcols = 0; // highest value of count
int currow = buf->b_signcols.invalid_top - 1;
// TODO(bfredl): only need to use marktree_itr_get_overlap once.
// then we can process both start and end events and update state for each row
for (int currow = row; currow <= end_row; currow++) {
for (; currow < buf->b_signcols.invalid_bot; currow++) {
MarkTreeIter itr[1];
if (!marktree_itr_get_overlap(buf->b_marktree, currow, 0, itr)) {
continue;
@@ -832,17 +825,16 @@ int decor_signcols(buf_T *buf, int row, int end_row, int max)
}
if (count > signcols) {
if (count > buf->b_signcols.size) {
if (count >= buf->b_signcols.size) {
buf->b_signcols.size = count;
buf->b_signcols.sentinel = currow + 1;
}
if (count >= max) {
return max;
return;
}
signcols = count;
}
}
return signcols;
}
void decor_redraw_end(DecorState *state)