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fix(refr): swap buffers only on the last area with direct mode (#2867)

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* fix(refr): avoid swapping buffers every area in direct mode

* Update src/core/lv_refr.c

* Update src/core/lv_refr.c

Co-authored-by: Gabor Kiss-Vamosi <kisvegabor@gmail.com>
This commit is contained in:
Gavin Li 2021-12-03 00:45:05 -08:00 committed by GitHub
parent 29a9cd7257
commit 222af5ad4a
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1 changed files with 2 additions and 1 deletions
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src/core/lv_refr.c
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@ -979,7 +979,8 @@ static void draw_buf_flush(void)
call_flush_cb(disp->driver, &draw_buf->area, color_p);
}
}
if(draw_buf->buf1 && draw_buf->buf2) {
/*If there are 2 buffers swap them. With direct mode swap only on the last area*/
if(draw_buf->buf1 && draw_buf->buf2 && (!disp->driver->direct_mode || draw_buf->flushing_last)) {
if(draw_buf->buf_act == draw_buf->buf1)
draw_buf->buf_act = draw_buf->buf2;
else