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add LV_VDB_TRUE_DOUBLE_BUFFERED

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This commit is contained in:
Gabor Kiss-Vamosi 2018-12-29 09:12:32 +01:00
parent 8bca90a40b
commit f25dec516b
2 changed files with 37 additions and 1 deletions
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31
lv_core/lv_refr.c
View File

@ -16,6 +16,9 @@
/*********************
* DEFINES
*********************/
#ifndef LV_INV_FIFO_SIZE
#define LV_INV_FIFO_SIZE 32 /*The average count of objects on a screen */
#endif
/**********************
* TYPEDEFS
@ -195,7 +198,19 @@ static void lv_refr_task(void * param)
/* In the callback lv_obj_inv can occur
* therefore be sure the inv_buf is cleared prior to it*/
if(refr_done != false) {
if(refr_done) {
#if LV_VDB_TRUE_DOUBLE_BUFFERED
lv_vdb_t * vdb_p = lv_vdb_get();
vdb_p->area.x1 = 0;
vdb_p->area.x2 = LV_HOR_RES-1;
vdb_p->area.y1 = 0;
vdb_p->area.y2 = LV_VER_RES - 1;
/*Flush the content of the VDB*/
lv_vdb_flush();
#endif
if(monitor_cb != NULL) {
monitor_cb(lv_tick_elaps(start), px_num);
}
@ -296,6 +311,8 @@ static void lv_refr_area_no_vdb(const lv_area_t * area_p)
*/
static void lv_refr_area_with_vdb(const lv_area_t * area_p)
{
#if LV_VDB_TRUE_DOUBLE_BUFFERED == 0
/*Calculate the max row num*/
lv_coord_t w = lv_area_get_width(area_p);
lv_coord_t h = lv_area_get_height(area_p);
@ -366,6 +383,14 @@ static void lv_refr_area_with_vdb(const lv_area_t * area_p)
/*Refresh this part too*/
lv_refr_area_part_vdb(area_p);
}
#else
lv_vdb_t * vdb_p = lv_vdb_get();
vdb_p->area.x1 = 0;
vdb_p->area.x2 = LV_HOR_RES-1;
vdb_p->area.y1 = 0;
vdb_p->area.y2 = LV_VER_RES - 1;
lv_refr_area_part_vdb(area_p);
#endif
}
/**
@ -396,8 +421,12 @@ static void lv_refr_area_part_vdb(const lv_area_t * area_p)
lv_refr_obj_and_children(lv_layer_top(), &start_mask);
lv_refr_obj_and_children(lv_layer_sys(), &start_mask);
/* In true double buffered mode flush only once when all areas were rendered.
* In normal mode flush after every area */
#if LV_VDB_TRUE_DOUBLE_BUFFERED == 0
/*Flush the content of the VDB*/
lv_vdb_flush();
#endif
}
#endif /*LV_VDB_SIZE == 0*/

7
lv_core/lv_vdb.c
View File

@ -107,6 +107,13 @@ void lv_vdb_flush(void)
/*Flush the rendered content to the display*/
lv_disp_flush(vdb_act->area.x1, vdb_act->area.y1, vdb_act->area.x2, vdb_act->area.y2, vdb_act->buf);
#if LV_VDB_TRUE_DOUBLE_BUFFERED
while(vdb_flushing);
memcpy(vdb[(vdb_active + 1) & 0x1].buf, vdb[vdb_active].buf, LV_VDB_SIZE_IN_BYTES);
#endif
#if LV_VDB_DOUBLE
/*Make the other VDB active. The content of the current will be kept until the next flush*/
vdb_active++;