Ben / moon

/**
 * @file lvgl_port_sdl.c
 * LVGL display driver for SDL2 simulator
 */

#include <stdio.h>
#include <string.h>
#include "lvgl_port.h"
#include "moon.h"

// Draw buffer for partial refresh (32 lines at 160px, ARGB8888)
#define DRAW_BUF_LINES 32
static uint8_t draw_buf[SCREEN_WIDTH * DRAW_BUF_LINES * 4];

static lv_display_t* display;

// Flush callback - copies LVGL buffer to framebuffer via blit_buf
static void flush_cb(lv_display_t* disp,
                     const lv_area_t* area,
                     uint8_t* px_map) {
	(void)disp;

	blit_buf_rect(px_map, area->x1, area->y1, area->x2 + 1, area->y2 + 1);

	lv_display_flush_ready(disp);
}

void lvgl_port_init(void) {
	lv_init();

	// Create display with ARGB8888 color format
	display = lv_display_create(SCREEN_WIDTH, SCREEN_HEIGHT);
	lv_display_set_color_format(display, LV_COLOR_FORMAT_ARGB8888);

	// Set draw buffers (single buffer mode for simplicity)
	lv_display_set_buffers(display, draw_buf, NULL, sizeof(draw_buf),
	                       LV_DISPLAY_RENDER_MODE_PARTIAL);

	// Set flush callback
	lv_display_set_flush_cb(display, flush_cb);
}

lv_display_t* lvgl_port_get_display(void) {
	return display;
}