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pixlers
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shard image across threads

development
Thomas Lindner 2023-12-30 04:15:13 +01:00
parent 20c591769c
commit cfa8044ea2
1 changed files with 5 additions and 9 deletions
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14
src/main.rs
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@ -1,5 +1,4 @@
use png::{ColorType, Decoder};
use rand::{thread_rng, Rng};
use sscanf::sscanf;
use std::error::Error;
use std::fs::File;
@ -14,8 +13,9 @@ fn main() -> Result<(), Box<dyn Error>> {
let info = reader.next_frame(&mut pixelbuf)?;
thread::scope(|s| {
for _ in 0..32 {
s.spawn(|| -> Result<(), Box<dyn Error + Send + Sync>> {
for i in 0..3 {
let pixelbuf = &pixelbuf;
s.spawn(move || -> Result<(), Box<dyn Error + Send + Sync>> {
let stream = TcpStream::connect("151.217.15.90:1337")?;
// disable Nagle's algorithm
stream.set_nodelay(true)?;
@ -30,13 +30,9 @@ fn main() -> Result<(), Box<dyn Error>> {
let size = sscanf!(&buf[..buf.len() - 1], "SIZE {u32} {u32}").unwrap();
println!("SIZE {} {}", size.0, size.1);
let mut rng = thread_rng();
let pos = ((size.0 - info.width) / 2, (size.1 - info.height) / 2);
loop {
let pos = (
rng.gen_range(0..size.0 - info.width),
rng.gen_range(0..size.1 - info.height),
);
for y in 0..info.height {
for y in (i..info.height).step_by(3) {
for x in 0..info.width {
match info.color_type {
ColorType::Rgba => {