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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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48
src/gui.c
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@@ -55,6 +55,7 @@ enum {
static void gui_attempt_start(void);
static int can_update_cursor = TRUE; /* can display the cursor */
static int disable_flush = 0; /* If > 0, gui_mch_flush() is disabled. */
/*
* The Athena scrollbars can move the thumb to after the end of the scrollbar,
@@ -1976,7 +1977,7 @@ gui_write(
gui.dragged_sb = SBAR_NONE;
#endif
gui_mch_flush(); /* In case vim decides to take a nap */
gui_may_flush(); /* In case vim decides to take a nap */
}
/*
@@ -2004,6 +2005,34 @@ gui_can_update_cursor(void)
* after scrolling. */
}
/*
* Disable issuing gui_mch_flush().
*/
void
gui_disable_flush(void)
{
++disable_flush;
}
/*
* Enable issuing gui_mch_flush().
*/
void
gui_enable_flush(void)
{
--disable_flush;
}
/*
* Issue gui_mch_flush() if it is not disabled.
*/
void
gui_may_flush(void)
{
if (disable_flush == 0)
gui_mch_flush();
}
static void
gui_outstr(char_u *s, int len)
{
@@ -3682,7 +3711,6 @@ gui_update_tabline(void)
/* Updating the tabline uses direct GUI commands, flush
* outstanding instructions first. (esp. clear screen) */
out_flush();
gui_mch_flush();
if (!showit != !shown)
gui_mch_show_tabline(showit);
@@ -4122,8 +4150,7 @@ gui_drag_scrollbar(scrollbar_T *sb, long value, int still_dragging)
setcursor();
}
# endif
out_flush();
gui_update_cursor(FALSE, TRUE);
out_flush_cursor(FALSE, TRUE);
#else
add_to_input_buf(bytes, byte_count);
add_long_to_buf((long_u)value, bytes);
@@ -4486,7 +4513,9 @@ gui_do_scroll(void)
* disappear when losing focus after a scrollbar drag. */
if (wp->w_redr_type < type)
wp->w_redr_type = type;
mch_disable_flush();
updateWindow(wp); /* update window, status line, and cmdline */
mch_enable_flush();
}
#ifdef FEAT_INS_EXPAND
@@ -4797,8 +4826,7 @@ gui_focus_change(int in_focus)
*/
#if 1
gui.in_focus = in_focus;
out_flush(); /* make sure output has been written */
gui_update_cursor(TRUE, FALSE);
out_flush_cursor(TRUE, FALSE);
# ifdef FEAT_XIM
xim_set_focus(in_focus);
@@ -5157,9 +5185,7 @@ gui_update_screen(void)
curwin->w_valid &= ~VALID_CROW;
}
# endif
out_flush(); /* make sure output has been written */
gui_update_cursor(TRUE, FALSE);
gui_mch_flush();
out_flush_cursor(TRUE, FALSE);
}
#endif
@@ -5516,9 +5542,7 @@ gui_handle_drop(
maketitle();
#endif
setcursor();
out_flush();
gui_update_cursor(FALSE, FALSE);
gui_mch_flush();
out_flush_cursor(FALSE, FALSE);
}
entered = FALSE;