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#!/usr/bin/env ucode
import * as pvg from 'plutovg';
const DEFAULT_FRAMES = 120;
const VERSION = '@VERSION@';
function usage(code) {
print(`plymouth-theme-bench ${VERSION}\n`);
print("usage: plymouth-theme-bench [theme dir] [width] [height] " +
"[frames] [png]\n");
exit(code);
}
switch (ARGV[0]) {
case '--version':
case '-version':
case 'version':
case '-v':
case '-V':
usage(0);
case '--help':
case '-help':
case '-h':
case '-?':
usage(0);
}
let theme_dir = ARGV[0] ?? '/usr/share/plymouth/themes/openwrt-demo';
let width = int(ARGV[1] ?? 1920);
let height = int(ARGV[2] ?? 1080);
let frames = int(ARGV[3] ?? DEFAULT_FRAMES);
let png_out = ARGV[4];
let damage = [];
let started = 0.0;
function now() {
let t = clock(true);
return t[0] + t[1] / 1000000000.0;
}
function rect_merge(list) {
let out = [];
let keep;
for (let i = 0; i < length(list); i++) {
keep = true;
for (let j = 0; j < length(out); j++) {
if (list[i].x >= out[j].x && list[i].y >= out[j].y &&
list[i].x + list[i].w <= out[j].x + out[j].w &&
list[i].y + list[i].h <= out[j].y + out[j].h) {
keep = false;
break;
}
}
if (keep)
push(out, list[i]);
}
return out;
}
global.plymouth = {
screens: function() {
return [ { width: width, height: height, scale: 1 } ];
},
damage: function(x, y, w, h) {
push(damage, { x: x, y: y, w: w, h: h });
return true;
},
mode: function() {
return 'boot-up';
},
theme_dir: function() {
return theme_dir;
},
elapsed: function() {
return now() - started;
},
log: function(msg) {
warn(`theme: ${msg}\n`);
}
};
started = now();
let script = theme_dir + '/openwrt.uc';
let entry = loadfile(script);
let theme;
if (!entry) {
warn(`cannot load ${script}\n`);
exit(1);
}
theme = entry();
if (type(theme) != 'object' || type(theme.paint) != 'function') {
warn(`${script} returned no theme object\n`);
exit(1);
}
let surface = pvg.surface(width, height);
let canvas = pvg.canvas(surface);
let setup_start = now();
theme.setup('boot-up');
let setup_ms = (now() - setup_start) * 1000.0;
let full = rect_merge(damage);
let first_start = now();
for (let i = 0; i < length(full); i++)
theme.paint(canvas, full[i].x, full[i].y, full[i].w, full[i].h);
let first_ms = (now() - first_start) * 1000.0;
let frame_total = 0.0;
let paint_total = 0.0;
let pixels = 0;
let t0, t1, rects;
const EVENT_EVERY = 20;
if (type(theme.event) == 'function')
theme.event('ubus-connected', null);
for (let f = 0; f < frames; f++) {
damage = [];
if (type(theme.event) == 'function' && f % EVENT_EVERY == 0) {
theme.event('ubus', { type: 'ubus.object.add',
data: '{"path":"hostapd.phy0"}' });
}
t0 = now();
theme.frame(f / 30.0);
t1 = now();
frame_total += t1 - t0;
rects = rect_merge(damage);
t0 = now();
for (let i = 0; i < length(rects); i++) {
theme.paint(canvas, rects[i].x, rects[i].y, rects[i].w, rects[i].h);
pixels += rects[i].w * rects[i].h;
}
paint_total += now() - t0;
}
printf("theme %s\n", theme_dir);
printf("geometry %dx%d, %d frames\n", width, height, frames);
printf("setup %8.2f ms (scene build and static render)\n", setup_ms);
printf("first draw %8.2f ms (full screen)\n", first_ms);
printf("frame() %8.3f ms/frame\n", frame_total * 1000.0 / frames);
printf("paint() %8.3f ms/frame\n", paint_total * 1000.0 / frames);
printf("total %8.3f ms/frame %7.1f fps\n",
(frame_total + paint_total) * 1000.0 / frames,
frames / (frame_total + paint_total));
printf("repainted %8.2f %% of the screen per frame\n",
100.0 * pixels / frames / (width * height));
if (png_out) {
surface.write_png(png_out);
printf("wrote %s\n", png_out);
}
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