try new style caching

src/lv_core/lv_obj.c

@@ -2633,6 +2633,14 @@ static void lv_obj_del_async_cb(void * obj)
     lv_obj_del(obj);
 }
 
+typedef struct {
+    lv_draw_rect_dsc_t draw_dsc;
+    uint8_t state;
+    lv_style_dsc_t * style_dsc;
+}rect_cache_t;
+#define CACHE_SIZE 4
+rect_cache_t cache[CACHE_SIZE];
+uint32_t cp;
 /**
  * Initialize a rectangle descriptor from an object's styles
  * @param obj pointer to an object
@@ -2643,6 +2651,45 @@ static void lv_obj_del_async_cb(void * obj)
  */
 void lv_obj_init_draw_rect_dsc(lv_obj_t * obj, uint8_t part, lv_draw_rect_dsc_t * draw_dsc)
 {
+    rect_cache_t * cached = NULL;
+    lv_style_dsc_t * s = lv_obj_get_style(obj, part);
+    lv_obj_state_t state = lv_obj_get_state(obj, part);
+    if(lv_refr_get_disp_refreshing() && s) {
+        uint32_t i;
+        for(i = 0; i < CACHE_SIZE; i++) {
+            int32_t c;
+            bool err = false;
+            if(cache[i].style_dsc == NULL) continue;
+            if(cache[i].style_dsc->class_cnt != s->class_cnt) continue;
+            if(cache[i].state != state) continue;
+            for(c = 0; c < s->class_cnt; c++) {
+                    lv_style_t * class1 = lv_style_dsc_get_class(cache[i].style_dsc, c);
+                    lv_style_t * class2 = lv_style_dsc_get_class(s, c);
+                    if(class1 != class2) {
+                        err = true;
+                        break;
+                    }
+            }
+            if(err == false) {
+                cached = &cache[i];
+                break;
+            }
+        }
+    }
+
+
+    static uint32_t hit = 1;
+    static uint32_t miss = 1;
+    printf("hit: %d, miss:%d, pct:%d\n", hit, miss, hit * 100 / (hit+miss));
+
+    if(cached) {
+        hit++;
+        memcpy(draw_dsc, &cached->draw_dsc, sizeof(lv_draw_rect_dsc_t));
+        return;
+    }
+    miss++;
+
+
     draw_dsc->radius = lv_obj_get_style_int(obj, part, LV_STYLE_RADIUS);
 
     lv_opa_t opa_scale = lv_obj_get_style_opa(obj, part, LV_STYLE_OPA_SCALE);
@@ -2709,24 +2756,33 @@ void lv_obj_init_draw_rect_dsc(lv_obj_t * obj, uint8_t part, lv_draw_rect_dsc_t
         draw_dsc->shadow_opa = (uint16_t)((uint16_t)draw_dsc->shadow_opa * opa_scale) >> 8;
         draw_dsc->pattern_opa = (uint16_t)((uint16_t)draw_dsc->pattern_opa * opa_scale) >> 8;
     }
+
+
+    if(lv_refr_get_disp_refreshing()) {
+        memcpy(&cache[cp].draw_dsc, draw_dsc, sizeof(lv_draw_rect_dsc_t));
+        cache[cp].style_dsc = s;
+        cache[cp].state = state;
+        cp++;
+        if(cp >= CACHE_SIZE) cp = 0;
+    }
 }
 
 void lv_obj_init_draw_label_dsc(lv_obj_t * obj, uint8_t part, lv_draw_label_dsc_t * draw_dsc)
 {
-    draw_dsc->opa = LV_OPA_50;//lv_obj_get_style_opa(obj, part, LV_STYLE_TEXT_OPA);
+    draw_dsc->opa = lv_obj_get_style_opa(obj, part, LV_STYLE_TEXT_OPA);
     if(draw_dsc->opa <= LV_OPA_MIN) return;
 
-    lv_opa_t opa_scale = LV_OPA_COVER;//lv_obj_get_style_opa(obj, part, LV_STYLE_OPA_SCALE);
+    lv_opa_t opa_scale = lv_obj_get_style_opa(obj, part, LV_STYLE_OPA_SCALE);
     if(opa_scale < LV_OPA_MAX) {
         draw_dsc->opa = (uint16_t)((uint16_t)draw_dsc->opa * opa_scale) >> 8;
     }
     if(draw_dsc->opa <= LV_OPA_MIN) return;
 
-    draw_dsc->color = LV_COLOR_BLUE; //lv_obj_get_style_color(obj, part, LV_STYLE_TEXT_COLOR);
-    draw_dsc->letter_space = 0;//lv_obj_get_style_int(obj, part, LV_STYLE_LETTER_SPACE);
-    draw_dsc->line_space = 0;//lv_obj_get_style_int(obj, part, LV_STYLE_LETTER_SPACE);
+    draw_dsc->color = lv_obj_get_style_color(obj, part, LV_STYLE_TEXT_COLOR);
+    draw_dsc->letter_space = lv_obj_get_style_int(obj, part, LV_STYLE_LETTER_SPACE);
+    draw_dsc->line_space = lv_obj_get_style_int(obj, part, LV_STYLE_LETTER_SPACE);
 
-    draw_dsc->font = LV_FONT_DEFAULT;//lv_obj_get_style_ptr(obj, part, LV_STYLE_FONT);
+    draw_dsc->font = lv_obj_get_style_ptr(obj, part, LV_STYLE_FONT);
 
     if(draw_dsc->sel_start != LV_DRAW_LABEL_NO_TXT_SEL && draw_dsc->sel_end != LV_DRAW_LABEL_NO_TXT_SEL) {
         draw_dsc->color = lv_obj_get_style_color(obj, part, LV_STYLE_TEXT_SEL_COLOR);

src/lv_core/lv_refr.c

@@ -170,6 +170,10 @@ void lv_disp_refr_task(lv_task_t * task)
 
     disp_refr = task->user_data;
 
+
+//    extern rect_cache_t cache[];
+//    extern uint32_t cp;
+
     lv_refr_join_area();
 
     lv_refr_areas();

src/lv_core/lv_style.c

@@ -92,7 +92,7 @@ void lv_style_dsc_init(lv_style_dsc_t * style_dsc)
     style_dsc->classes = NULL;
     style_dsc->class_cnt = 0;
     memset(&style_dsc->cache, 0xff, sizeof(lv_style_cache_t));
-    style_dsc->cache.enabled = 1;
+    style_dsc->cache.enabled = 0;
 }
 
 
@@ -377,6 +377,14 @@ lv_res_t lv_style_dsc_get_int(lv_style_dsc_t * dsc, lv_style_property_t prop, lv
 
     if(dsc->cache.enabled) {
         switch(prop & (~LV_STYLE_STATE_MASK)) {
+        case LV_STYLE_PAD_INNER:
+        case LV_STYLE_PAD_TOP:
+        case LV_STYLE_PAD_BOTTOM:
+        case LV_STYLE_PAD_LEFT:
+        case LV_STYLE_PAD_RIGHT:
+            *value = 5;
+            return LV_RES_OK;
+            break;
         case LV_STYLE_BG_BLEND_MODE:
             res = dsc->cache.bg_blend_mode;
             break;
@@ -780,31 +788,31 @@ static inline int32_t get_property_index(const lv_style_t * style, lv_style_prop
 
     int16_t weight = -1;
     int16_t id_guess = -1;
-//
-//    if(id_to_find == (LV_STYLE_OPA_SCALE & 0xFF)) {
-//        volatile uint8_t i = 0;
-//    }
-//
-//    stat[id_to_find]++;
-//
-//    cnt++;
-//    if(cnt > 100000) {
-//        cnt = 0;
-//        uint32_t i;
 
-////        printf("\nQuerry:\n");
-//        for(i = 0; i < 256; i++) {
-//            if(stat[i]) printf("%02x: %d\n", i, stat[i]);
-//        }
-//        memset(stat, 0x00, sizeof(stat));
-//
-////        printf("\nFooled:\n");
+    if(id_to_find == (LV_STYLE_OPA_SCALE & 0xFF)) {
+        volatile uint8_t i = 0;
+    }
+
+    stat[id_to_find]++;
+
+    cnt++;
+    if(cnt > 1000) {
+        cnt = 0;
+        uint32_t i;
+
+        printf("\nQuerry:\n");
+        for(i = 0; i < 256; i++) {
+            if(stat[i]) printf("%02x: %d\n", i, stat[i]);
+        }
+        memset(stat, 0x00, sizeof(stat));
+
+//        printf("\nFooled:\n");
 //        for(i = 0; i < 256; i++) {
 //            if(prop_fooled[i]) printf("%02x: %d\n", i, prop_fooled[i]);
 //        }
-//        memset(prop_fooled, 0x00, sizeof(stat));
-//        printf("\n");
-//    }
+        memset(prop_fooled, 0x00, sizeof(stat));
+        printf("\n");
+    }
 
     static const uint8_t size[16] = {
     		sizeof(lv_style_int_t) + sizeof(lv_style_property_t),

src/lv_objx/lv_gauge.c

@@ -384,10 +384,10 @@ static lv_res_t lv_gauge_signal(lv_obj_t * gauge, lv_signal_t sign, void * param
 {
     lv_res_t res;
     if(sign == LV_SIGNAL_GET_STYLE) {
-        uint8_t ** type_p = param;
-        lv_style_dsc_t ** style_dsc_p = param;
-        *style_dsc_p = lv_gauge_get_style(gauge, **type_p);
-        return LV_RES_OK;
+        lv_get_style_info_t * info = param;
+        info->result = lv_gauge_get_style(gauge, info->part);
+        if(info->result != NULL) return LV_RES_OK;
+        else return ancestor_signal(gauge, sign, param);
     }
 
     /* Include the ancient signal function */