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fix(blur): render non-backdrop blur when the main rendering is done (#9752)

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Gabor Kiss-Vamosi
2026-02-18 15:42:42 +01:00
committed by GitHub
parent 73fbfceeed
commit deecf660f4
1 changed files with 34 additions and 15 deletions
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49
src/core/lv_obj.c
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@@ -707,14 +707,21 @@ static void lv_obj_draw(lv_event_t * e)
lv_draw_rect_dsc_init(&draw_dsc);
draw_dsc.base.layer = layer;
lv_draw_blur_dsc_t blur_dsc;
lv_draw_blur_dsc_init(&blur_dsc);
blur_dsc.corner_radius = draw_dsc.radius;
int32_t w = lv_obj_get_style_transform_width(obj, LV_PART_MAIN);
int32_t h = lv_obj_get_style_transform_height(obj, LV_PART_MAIN);
lv_area_t coords;
lv_area_copy(&coords, &obj->coords);
lv_area_increase(&coords, w, h);
bool backdrop_blur = lv_obj_get_style_blur_backdrop(obj, LV_PART_INDICATOR);
lv_obj_init_draw_blur_dsc(obj, LV_PART_MAIN, &blur_dsc);
blur_dsc.base.layer = layer;
if(backdrop_blur) lv_draw_blur(layer, &blur_dsc, &obj->coords);
bool backdrop_blur = lv_obj_get_style_blur_backdrop(obj, LV_PART_MAIN);
if(backdrop_blur) {
lv_draw_blur_dsc_t blur_dsc;
lv_draw_blur_dsc_init(&blur_dsc);
lv_obj_init_draw_blur_dsc(obj, LV_PART_MAIN, &blur_dsc);
blur_dsc.corner_radius = draw_dsc.radius;
blur_dsc.base.layer = layer;
lv_draw_blur(layer, &blur_dsc, &coords);
}
lv_obj_init_draw_rect_dsc(obj, LV_PART_MAIN, &draw_dsc);
/*If the border is drawn later disable loading its properties*/
@@ -722,16 +729,27 @@ static void lv_obj_draw(lv_event_t * e)
draw_dsc.border_post = 1;
}
int32_t w = lv_obj_get_style_transform_width(obj, LV_PART_MAIN);
int32_t h = lv_obj_get_style_transform_height(obj, LV_PART_MAIN);
lv_area_t coords;
lv_area_copy(&coords, &obj->coords);
lv_area_increase(&coords, w, h);
lv_draw_rect(layer, &draw_dsc, &coords);
}
else if(code == LV_EVENT_DRAW_MAIN_END) {
/*Draw the non backdrop blur when the main content is rendered the the children are not yet */
lv_layer_t * layer = lv_event_get_layer(e);
bool backdrop_blur = lv_obj_get_style_blur_backdrop(obj, LV_PART_MAIN);
if(!backdrop_blur) {
int32_t w = lv_obj_get_style_transform_width(obj, LV_PART_MAIN);
int32_t h = lv_obj_get_style_transform_height(obj, LV_PART_MAIN);
lv_area_t coords;
lv_area_copy(&coords, &obj->coords);
lv_area_increase(&coords, w, h);
blur_dsc.blur_radius = lv_obj_get_style_blur_radius(obj, LV_PART_MAIN);
if(!backdrop_blur) lv_draw_blur(layer, &blur_dsc, &coords);
lv_draw_blur_dsc_t blur_dsc;
lv_draw_blur_dsc_init(&blur_dsc);
lv_obj_init_draw_blur_dsc(obj, LV_PART_MAIN, &blur_dsc);
blur_dsc.corner_radius = lv_obj_get_style_radius(obj, LV_PART_MAIN);
blur_dsc.base.layer = layer;
lv_draw_blur(layer, &blur_dsc, &coords);
}
}
else if(code == LV_EVENT_DRAW_POST) {
lv_layer_t * layer = lv_event_get_layer(e);
@@ -1033,7 +1051,8 @@ static void lv_obj_event(const lv_obj_class_t * class_p, lv_event_t * e)
int32_t d = lv_obj_calculate_ext_draw_size(obj, LV_PART_MAIN);
lv_event_set_ext_draw_size(e, d);
}
else if(code == LV_EVENT_DRAW_MAIN || code == LV_EVENT_DRAW_POST || code == LV_EVENT_COVER_CHECK) {
else if(code == LV_EVENT_DRAW_MAIN || code == LV_EVENT_DRAW_POST || code == LV_EVENT_DRAW_MAIN_END ||
code == LV_EVENT_COVER_CHECK) {
lv_obj_draw(e);
}
else if(code == LV_EVENT_INDEV_RESET) {