54         uint32_t full_size = lv_area_get_size(&layer_sw_ctx->base_draw.area_full) * px_size;  in lv_draw_sw_layer_create()
56         layer_sw_ctx->base_draw.buf = lv_mem_alloc(layer_sw_ctx->buf_size_bytes);  in lv_draw_sw_layer_create()
57         if(layer_sw_ctx->base_draw.buf == NULL) {  in lv_draw_sw_layer_create()
61             layer_sw_ctx->base_draw.buf = lv_mem_alloc(layer_sw_ctx->buf_size_bytes);  in lv_draw_sw_layer_create()
62             if(layer_sw_ctx->base_draw.buf == NULL) {  in lv_draw_sw_layer_create()
66         layer_sw_ctx->base_draw.area_act = layer_sw_ctx->base_draw.area_full;  in lv_draw_sw_layer_create()
67         layer_sw_ctx->base_draw.area_act.y2 = layer_sw_ctx->base_draw.area_full.y1;  in lv_draw_sw_layer_create()
68         lv_coord_t w = lv_area_get_width(&layer_sw_ctx->base_draw.area_act);  in lv_draw_sw_layer_create()
69 …layer_sw_ctx->base_draw.max_row_with_alpha = layer_sw_ctx->buf_size_bytes / w / LV_IMG_PX_SIZE_ALP…  in lv_draw_sw_layer_create()
70 …layer_sw_ctx->base_draw.max_row_with_no_alpha = layer_sw_ctx->buf_size_bytes / w / sizeof(lv_color…  in lv_draw_sw_layer_create()
73         layer_sw_ctx->base_draw.area_act = layer_sw_ctx->base_draw.area_full;  in lv_draw_sw_layer_create()
74 …     layer_sw_ctx->buf_size_bytes = lv_area_get_size(&layer_sw_ctx->base_draw.area_full) * px_size;  in lv_draw_sw_layer_create()
75         layer_sw_ctx->base_draw.buf = lv_mem_alloc(layer_sw_ctx->buf_size_bytes);  in lv_draw_sw_layer_create()
76         lv_memset_00(layer_sw_ctx->base_draw.buf, layer_sw_ctx->buf_size_bytes);  in lv_draw_sw_layer_create()
78         if(layer_sw_ctx->base_draw.buf == NULL) {  in lv_draw_sw_layer_create()
82         draw_ctx->buf = layer_sw_ctx->base_draw.buf;  in lv_draw_sw_layer_create()
83         draw_ctx->buf_area = &layer_sw_ctx->base_draw.area_act;  in lv_draw_sw_layer_create()
84         draw_ctx->clip_area = &layer_sw_ctx->base_draw.area_act;  in lv_draw_sw_layer_create()