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patch 8.0.1449: slow redrawing with DirectX

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Problem:    Slow redrawing with DirectX.
Solution:   Avoid calling gui_mch_flush() unnecessarily, especially when
            updating the cursor. (Ken Takata, closes #2560)
This commit is contained in:
Bram Moolenaar
2018-01-31 20:51:47 +01:00
parent 37badc898b
commit a338adcf22
19 changed files with 224 additions and 173 deletions
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12
src/main.c
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@@ -1242,7 +1242,11 @@ main_loop(
if (VIsual_active)
update_curbuf(INVERTED);/* update inverted part */
else if (must_redraw)
{
mch_disable_flush(); /* Stop issuing gui_mch_flush(). */
update_screen(0);
mch_enable_flush();
}
else if (redraw_cmdline || clear_cmdline)
showmode();
redraw_statuslines();
@@ -1283,11 +1287,13 @@ main_loop(
|| conceal_cursor_line(curwin)
|| need_cursor_line_redraw))
{
mch_disable_flush(); /* Stop issuing gui_mch_flush(). */
if (conceal_old_cursor_line != conceal_new_cursor_line
&& conceal_old_cursor_line
<= curbuf->b_ml.ml_line_count)
update_single_line(curwin, conceal_old_cursor_line);
update_single_line(curwin, conceal_new_cursor_line);
mch_enable_flush();
curwin->w_valid &= ~VALID_CROW;
}
# endif
@@ -4212,11 +4218,7 @@ eval_client_expr_to_string(char_u *expr)
/* A client can tell us to redraw, but not to display the cursor, so do
* that here. */
setcursor();
out_flush();
#ifdef FEAT_GUI
if (gui.in_use)
gui_update_cursor(FALSE, FALSE);
#endif
out_flush_cursor(FALSE, FALSE);
return res;
}