gfxbench.c

//
// Created by ndraey on 08.11.23.
//
 
#include <common.h>
#include "drv/input/keymap.h"
#include "drv/input/keyboard.h"
#include "io/screen.h"
#include "sys/timer.h"
#include "lib/sprintf.h"
 
uint32_t gfxbench(uint32_t argc, char* args[]) {
    size_t frames = 0;
    size_t fps = 0;
    size_t last_measurement = timestamp();
 
    size_t scrw = getScreenWidth();
    size_t scrh = getScreenHeight();
    size_t scrbpp = getDisplayBpp();
 
    char* string = 0;
 
    keyboardctl(KEYBOARD_ECHO, false);
 
    while(1) {
        if(getCharRaw() == KEY_ESC)
            break;
 
        if(timestamp() - last_measurement >= 1000) {
            last_measurement = timestamp();
            fps = frames;
            frames = 0;
        }
 
        drawRect(0, 0, scrw, scrh, 0x999999);
 
        asprintf(&string, "[%d x %d @ %d bits] %d FPS", scrw, scrh, scrbpp, fps);
 
        draw_vga_str(string, strlen(string), 0, 0, 0x000000);
 
        if(string)
            kfree(string);
 
        punch();
 
        frames++;
    }
 
    keyboardctl(KEYBOARD_ECHO, true);
 
    return 0;
}