revert rubato to 0.12 to fix crackling at 48000

(probably some misuse on my side, need to investigate more)

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "uw8"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -11,7 +11,7 @@ native = ["wasmtime", "uw8-window", "cpal", "rubato" ]
 browser = ["warp", "tokio", "tokio-stream", "webbrowser"]
 
 [dependencies]
-wasmtime = { version = "19.0.1", optional = true }
+wasmtime = { git = "https://github.com/bytecodealliance/wasmtime.git", rev = "0f48f939b9870036562ca02ff21253547a9f1a5c", optional = true }
 anyhow = "1"
 env_logger = "0.11.3"
 log = "0.4"
@@ -28,4 +28,4 @@ tokio-stream = { version = "0.1.15", features = ["sync"], optional = true }
 webbrowser = { version = "0.8.13", optional = true }
 ansi_term = "0.12.1"
 cpal = { version = "0.15.3", optional = true }
-rubato = { version = "0.15.0", optional = true }
+rubato = { version = "0.12.0", optional = true }

README.md

@@ -15,9 +15,9 @@ See [here](https://exoticorn.github.io/microw8/) for more information and docs.
 
 ## Downloads
 
-* [Linux](https://github.com/exoticorn/microw8/releases/download/v0.3.0/microw8-0.3.0-linux.tgz)
-* [MacOS](https://github.com/exoticorn/microw8/releases/download/v0.3.0/microw8-0.3.0-macos.tgz)
-* [Windows](https://github.com/exoticorn/microw8/releases/download/v0.3.0/microw8-0.3.0-windows.zip)
+* [Linux](https://github.com/exoticorn/microw8/releases/download/v0.4.0/microw8-0.4.0-linux.tgz)
+* [MacOS](https://github.com/exoticorn/microw8/releases/download/v0.4.0/microw8-0.4.0-macos.tgz)
+* [Windows](https://github.com/exoticorn/microw8/releases/download/v0.4.0/microw8-0.4.0-windows.zip)
 
 The download includes
 

examples/curlywas/tunnel.cwa

@@ -3,14 +3,16 @@ include "../include/microw8-api.cwa"
 export fn upd() {
     let i: i32;
     loop pixels {
-        let inline t = time() * 63 as f32;
-        let lazy x = (i % 320 - 160) as f32;
-        let lazy y = (i / 320 - 120) as f32;
-        let inline d = 40000 as f32 / sqrt(x * x + y * y);
-        let inline u = atan2(x, y) * (512.0 / 3.141);
-        let inline c = ((i32.trunc_sat_f32_s(d + t * 2 as f32) ^ i32.trunc_sat_f32_s(u + t)) & 255) >> 4;
+        let inline t = 16!56;
+        let inline x = (i % 320 - 160) as f32;
+        let inline y = (i #/ 320 - 120) as f32;
+        let inline d = 0xa000 as f32 / sqrt(x * x + y * y);
+        let inline a = atan2(x, y) * 163_f; // (512 / pi)
+        let inline u = i32.trunc_sat_f32_s(a) + t;
+        let inline v = i32.trunc_sat_f32_s(d) + t * 2;
+        let inline c = ((v ^ u) #/ 16) % 16;
         i?FRAMEBUFFER = c;
 
         branch_if (i := i + 1) < 320*240: pixels;
     }
-}
+}

site/content/_index.md

@@ -31,19 +31,19 @@ Examplers for older versions:
 
 ## Versions
 
-### v0.3.0
+### v0.4.0
 
-* [Web runtime](v0.3.0)
-* [Linux](https://github.com/exoticorn/microw8/releases/download/v0.3.0/microw8-0.3.0-linux.tgz)
-* [MacOS](https://github.com/exoticorn/microw8/releases/download/v0.3.0/microw8-0.3.0-macos.tgz)
-* [Windows](https://github.com/exoticorn/microw8/releases/download/v0.3.0/microw8-0.3.0-windows.zip)
+* [Web runtime](../v0.4.0)
+* [Linux](https://github.com/exoticorn/microw8/releases/download/v0.4.0/microw8-0.4.0-linux.tgz)
+* [MacOS](https://github.com/exoticorn/microw8/releases/download/v0.4.0/microw8-0.4.0-macos.tgz)
+* [Windows](https://github.com/exoticorn/microw8/releases/download/v0.4.0/microw8-0.4.0-windows.zip)
 
 Changes:
 
-* add blitSprite and grabSprite API calls
-* add support for integer scaling up to 16x for printing text
-* fix incompatibility with sound devices only offering 16bit audio formats
-* add support for br_table instruction in packed carts
+* add support for sound on mono- and surround-only devices
+* update wasmtime dependency to fix performance regression in 0.3.0
+* add frame counter since module start at location 72
+* add 6 and 7 parameter function types to base module
 
 ### Older versions
 

site/content/docs.md

@@ -21,7 +21,7 @@ loaded.
 00000-00040: user memory
 00040-00044: time since module start in ms
 00044-0004c: gamepad state
-0004c-00050: reserved
+0004c-00050: number of frames since module start
 00050-00070: sound data (synced to sound thread)
 00070-00078: reserved
 00078-12c78: frame buffer
@@ -594,7 +594,7 @@ a base module provided by MicroW8.
 
 You can generate this base module yourself using
 `uw8-tool`. As a quick summary, it provides all function
-types with up to 5 parameters (i32 or f32) where the
+types with up to 7 parameters (i32 or f32) where the
 `f32` parameters always preceed the `i32` parameters.
 Then it includes all imports that MicroW8 provides,
 a function section with a single function of type

site/content/versions.md

@@ -2,6 +2,20 @@
 description = "Versions"
 +++
 
+### v0.4.0
+
+* [Web runtime](../v0.4.0)
+* [Linux](https://github.com/exoticorn/microw8/releases/download/v0.4.0/microw8-0.4.0-linux.tgz)
+* [MacOS](https://github.com/exoticorn/microw8/releases/download/v0.4.0/microw8-0.4.0-macos.tgz)
+* [Windows](https://github.com/exoticorn/microw8/releases/download/v0.4.0/microw8-0.4.0-windows.zip)
+
+Changes:
+
+* add support for sound on mono- and surround-only devices
+* update wasmtime dependency to fix performance regression in 0.3.0
+* add frame counter since module start at location 72
+* add 6 and 7 parameter function types to base module
+
 ### v0.3.0
 
 * [Web runtime](../v0.3.0)

site/static/v0.4.0/index.html

@@ -0,0 +1 @@
+<!doctype html><html><head><meta charset="utf8"><title>MicroW8</title><link href="https://fonts.googleapis.com/css2?family=Josefin+Sans:wght@500&display=swap" rel="stylesheet"><style>html,body,canvas{margin:0;padding:0}html{color:#808070;background-color:#202024;height:100%;font-family:Josefin Sans,Verdana,Arial Black,sans-serif}body{grid-template-rows:1fr 0fr;height:100%;display:grid}#uw8{position:absolute}#uw8 a{font-size:130%}#centered{place-self:center}a{color:#303630}a:hover{color:#405040}.screen{image-rendering:pixelated;background-color:#202428;border:4px solid #303040;width:320px;height:240px;margin-bottom:8px;box-shadow:5px 5px 20px #000}#screen{cursor:none}#start{font-size:150%}#timer:before{content:"";background-color:red;border-radius:6px;width:12px;height:12px;margin-right:3px;display:inline-block}#message{margin-bottom:8px}.error{color:#e04030}button{color:#808070;background-color:#303440;border:1px solid #404040;border-radius:4px;padding:4px;font-family:inherit}button:hover{background-color:#202010}button:active{background-color:#504450}@media (width>=680px) and (height>=620px){.screen{width:640px;height:480px}}@media (width>=1000px) and (height>=800px){.screen{width:960px;height:720px}}@media (width:640px) and (height:480px){.screen{border:0;width:640px;height:480px;margin:0}body{overflow:hidden}}</style></head><body> <div id="uw8"> <a href="https://exoticorn.github.io/microw8">MicroW8</a> 0.4.0 </div> <div id="centered"> <canvas class="screen" id="screen" width="320" height="240"> </canvas> <button class="screen" id="start" style="display:none">Click to start</button> <div id="timer" hidden></div> <div id="message"></div> <button id="cartButton" style="visibility:hidden">Load cart...</button> </div> <div id="footer"> <a href="http://unlicense.org/" ref="license">Unlicense</a> </div> </body><script type="module">function e(e){return e&&e.__esModule?e.default:e}var 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truncated

site/templates/index.html

@@ -4,7 +4,7 @@
         <section>
             <h1 class="text-center heading-text">A WebAssembly based fantasy console</h1>
         </section>
-        <a href="v0.3.0">
+        <a href="v0.4.0">
             <img class="demonstration-gif" style="width:640px;height:480px;image-rendering:pixelated" src="img/technotunnel.png"></img>
         </a>
     </div>

src/run-web.html

@@ -1 +1 @@
-<!doctype html><html><head><meta charset="utf8"><title>uw8-run</title><style>html,body,canvas{background-color:#202024;margin:0;padding:0}html{height:100%}body{grid-template-rows:1fr;height:100%;display:grid}#screen{image-rendering:pixelated;border:4px solid #303040;place-self:center}#message{color:#c64;z-index:2;background-color:#0006;width:calc(100% - 16px);padding:8px;font:700 12pt sans-serif;position:absolute}@media (width>=648px) and (height>=488px){#screen{width:640px;height:480px}}@media (width>=968px) and (height>=728px){#screen{width:960px;height:720px}}</style></head><body> <canvas id="screen" width="320" height="240" tabindex="1"> </canvas> <div id="message"></div> </body><script type="module">function e(e){return e&&e.__esModule?e.default:e}var 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truncated
+<!doctype html><html><head><meta charset="utf8"><title>uw8-run</title><style>html,body,canvas{background-color:#202024;margin:0;padding:0}html{height:100%}body{grid-template-rows:1fr;height:100%;display:grid}#screen{image-rendering:pixelated;border:4px solid #303040;place-self:center}#message{color:#c64;z-index:2;background-color:#0006;width:calc(100% - 16px);padding:8px;font:700 12pt sans-serif;position:absolute}@media (width>=648px) and (height>=488px){#screen{width:640px;height:480px}}@media (width>=968px) and (height>=728px){#screen{width:960px;height:720px}}</style></head><body> <canvas id="screen" width="320" height="240" tabindex="1"> </canvas> <div id="message"></div> </body><script type="module">function e(e){return e&&e.__esModule?e.default:e}var 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truncated

src/run_native.rs

@@ -2,7 +2,7 @@ use std::sync::{mpsc, Arc, Mutex};
 use std::time::Duration;
 use std::{thread, time::Instant};
 
-use anyhow::{anyhow, Result};
+use anyhow::{anyhow, bail, Result};
 use cpal::traits::*;
 use rubato::Resampler;
 use uw8_window::{Window, WindowConfig};
@@ -27,6 +27,7 @@ struct UW8Instance {
     end_frame: TypedFunc<(), ()>,
     update: Option<TypedFunc<(), ()>>,
     start_time: Instant,
+    frame_counter: u32,
     watchdog: Arc<Mutex<UW8WatchDog>>,
     sound_tx: Option<mpsc::SyncSender<RegisterUpdate>>,
 }
@@ -159,6 +160,7 @@ impl super::Runtime for MicroW8 {
             end_frame,
             update,
             start_time: Instant::now(),
+            frame_counter: 0,
             watchdog,
             sound_tx,
         });
@@ -191,8 +193,11 @@ impl super::Runtime for MicroW8 {
                 let mem = instance.memory.data_mut(&mut instance.store);
                 mem[64..68].copy_from_slice(&time.to_le_bytes());
                 mem[68..72].copy_from_slice(&input.gamepads);
+                mem[72..76].copy_from_slice(&instance.frame_counter.to_le_bytes());
             }
 
+            instance.frame_counter = instance.frame_counter.wrapping_add(1);
+
             instance.store.set_epoch_deadline(self.timeout as u64);
             if let Some(ref update) = instance.update {
                 if let Err(err) = update.call(&mut instance.store, ()) {
@@ -328,26 +333,37 @@ fn init_sound(
     let mut configs: Vec<_> = device
         .supported_output_configs()?
         .filter(|config| {
-            config.channels() == 2
-                && (config.sample_format() == cpal::SampleFormat::F32
-                    || config.sample_format() == cpal::SampleFormat::I16)
+            config.sample_format() == cpal::SampleFormat::F32
+                || config.sample_format() == cpal::SampleFormat::I16
         })
         .collect();
+
+    if configs.is_empty() {
+        eprintln!(
+            "No suitable audio output config found on device \"{}\", available configs:",
+            device.name()?
+        );
+        for config in device.supported_output_configs()? {
+            eprintln!("  {}ch {}", config.channels(), config.sample_format());
+        }
+        bail!("Failed to configure audio out");
+    }
+
     configs.sort_by_key(|config| {
         let rate = 44100
             .max(config.min_sample_rate().0)
             .min(config.max_sample_rate().0);
-        let prio = if rate >= 44100 {
+        let rate_prio = if rate >= 44100 {
             rate - 44100
         } else {
             (44100 - rate) * 1000
         };
-        prio + (config.sample_format() == cpal::SampleFormat::I16) as u32
+        let format_prio = (config.sample_format() == cpal::SampleFormat::I16) as u32;
+        let channels_prio = (config.channels() != 2) as u32 * 16777216;
+        rate_prio + format_prio + channels_prio
     });
-    let config = configs
-        .into_iter()
-        .next()
-        .ok_or_else(|| anyhow!("Could not find float or 16bit signed output config"))?;
+    let config = configs.into_iter().next().unwrap();
+
     let sample_rate = cpal::SampleRate(44100)
         .max(config.min_sample_rate())
         .min(config.max_sample_rate());
@@ -359,6 +375,7 @@ fn init_sound(
         }
     };
     let sample_format = config.sample_format();
+    let num_channels = config.channels();
     let config = cpal::StreamConfig {
         buffer_size,
         ..config.config()
@@ -378,8 +395,8 @@ fn init_sound(
         None
     } else {
         let rs = rubato::FftFixedIn::new(44100, sample_rate, 128, 1, 2)?;
-        let input_buffers = rs.input_buffer_allocate(true);
-        let output_buffers = rs.output_buffer_allocate(true);
+        let input_buffers = rs.input_buffer_allocate();
+        let output_buffers = rs.output_buffer_allocate();
         Some(Resampler {
             resampler: rs,
             input_buffers,
@@ -392,7 +409,7 @@ fn init_sound(
     let mut pending_updates: Vec<RegisterUpdate> = Vec::with_capacity(30);
     let mut current_time = 0;
 
-    let mut callback = move |mut outer_buffer: &mut [f32], _: &_| {
+    let mut callback = move |mut outer_buffer: &mut [f32]| {
         let mut first_update = true;
         while let Ok(update) = rx.try_recv() {
             if first_update {
@@ -484,36 +501,126 @@ fn init_sound(
             current_time = current_time.wrapping_add((step_size * 500 / sample_rate).max(1) as i32);
         }
     };
-    let stream = if sample_format == cpal::SampleFormat::F32 {
-        device.build_output_stream(
-            &config,
-            callback,
-            move |err| {
-                dbg!(err);
-            },
-            None,
-        )?
-    } else {
-        device.build_output_stream(
-            &config,
-            move |mut buffer: &mut [i16], info| {
-                let mut float_buffer = [0f32; 256];
 
-                while !buffer.is_empty() {
-                    let step_size = buffer.len().min(float_buffer.len());
-                    let step_buffer = &mut float_buffer[..step_size];
-                    callback(step_buffer, info);
-                    for (dest, src) in buffer.iter_mut().take(step_size).zip(step_buffer.iter()) {
-                        *dest = (src.max(-1.0).min(1.0) * 32767.0) as i16;
-                    }
-                    buffer = &mut buffer[step_size..];
-                }
-            },
-            move |err| {
-                dbg!(err);
-            },
-            None,
-        )?
+    fn f32_to_i16<F>(mut buffer: &mut [i16], callback: &mut F)
+    where
+        F: FnMut(&mut [f32]),
+    {
+        let mut float_buffer = [0f32; 256];
+
+        while !buffer.is_empty() {
+            let step_size = buffer.len().min(float_buffer.len());
+            let step_buffer = &mut float_buffer[..step_size];
+            callback(step_buffer);
+            for (dest, src) in buffer.iter_mut().take(step_size).zip(step_buffer.iter()) {
+                *dest = (src.max(-1.0).min(1.0) * 32767.0) as i16;
+            }
+            buffer = &mut buffer[step_size..];
+        }
+    }
+
+    fn stereo_to_mono<F>(mut buffer: &mut [f32], callback: &mut F)
+    where
+        F: FnMut(&mut [f32]),
+    {
+        let mut in_buffer = [0f32; 256];
+
+        while !buffer.is_empty() {
+            let step_size = buffer.len().min(in_buffer.len() / 2);
+            let step_buffer = &mut in_buffer[..step_size * 2];
+            callback(step_buffer);
+            for (index, dest) in buffer.iter_mut().take(step_size).enumerate() {
+                *dest = (step_buffer[index * 2] + step_buffer[index * 2 + 1]) * 0.5;
+            }
+            buffer = &mut buffer[step_size..];
+        }
+    }
+
+    fn stereo_to_surround<F>(mut buffer: &mut [f32], num_channels: usize, callback: &mut F)
+    where
+        F: FnMut(&mut [f32]),
+    {
+        let mut in_buffer = [0f32; 256];
+        buffer.fill(0.);
+
+        while !buffer.is_empty() {
+            let step_size = (buffer.len() / num_channels).min(in_buffer.len() / 2);
+            let step_buffer = &mut in_buffer[..step_size * 2];
+            callback(step_buffer);
+            for index in 0..step_size {
+                buffer[index * num_channels + 0] = step_buffer[index * 2 + 0];
+                buffer[index * num_channels + 1] = step_buffer[index * 2 + 1];
+            }
+            buffer = &mut buffer[step_size * num_channels..];
+        }
+    }
+
+    let stream = if sample_format == cpal::SampleFormat::F32 {
+        if num_channels == 2 {
+            device.build_output_stream(
+                &config,
+                move |buffer: &mut [f32], _| callback(buffer),
+                move |err| {
+                    dbg!(err);
+                },
+                None,
+            )?
+        } else if num_channels == 1 {
+            device.build_output_stream(
+                &config,
+                move |buffer: &mut [f32], _| stereo_to_mono(buffer, &mut callback),
+                move |err| {
+                    dbg!(err);
+                },
+                None,
+            )?
+        } else {
+            device.build_output_stream(
+                &config,
+                move |buffer: &mut [f32], _| {
+                    stereo_to_surround(buffer, num_channels as usize, &mut callback)
+                },
+                move |err| {
+                    dbg!(err);
+                },
+                None,
+            )?
+        }
+    } else {
+        if num_channels == 2 {
+            device.build_output_stream(
+                &config,
+                move |buffer: &mut [i16], _| f32_to_i16(buffer, &mut callback),
+                move |err| {
+                    dbg!(err);
+                },
+                None,
+            )?
+        } else if num_channels == 1 {
+            device.build_output_stream(
+                &config,
+                move |buffer: &mut [i16], _| {
+                    f32_to_i16(buffer, &mut |b| stereo_to_mono(b, &mut callback))
+                },
+                move |err| {
+                    dbg!(err);
+                },
+                None,
+            )?
+        } else {
+            device.build_output_stream(
+                &config,
+                move |buffer: &mut [i16], _| {
+                    f32_to_i16(buffer, &mut |b| {
+                        stereo_to_surround(b, num_channels as usize, &mut callback)
+                    })
+                },
+                move |err| {
+                    dbg!(err);
+                },
+                None,
+            )?
+        }
     };
 
     Ok(Uw8Sound { stream, tx })

uw8-tool/src/base_module.rs

@@ -37,7 +37,7 @@ impl BaseModule {
 
         let mut types = vec![];
         let mut type_map = HashMap::new();
-        for num_params in 0..6 {
+        for num_params in 0..8 {
             for num_f32 in 0..=num_params {
                 for &result in &[None, Some(ValType::I32), Some(ValType::F32)] {
                     let mut params = vec![];

uw8-window/Cargo.toml

@@ -6,11 +6,11 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-winit = "0.29.15"
 env_logger = "0.11.3"
+winit = "0.28.6"
 log = "0.4"
 pico-args = "0.5"
-wgpu = "0.19.3"
+wgpu = "0.17"
 pollster = "0.3.0"
 bytemuck = { version = "1.15", features = [ "derive" ] }
 anyhow = "1"

uw8-window/src/gpu/mod.rs

@@ -1,16 +1,16 @@
 use crate::{Input, WindowConfig, WindowImpl};
 use anyhow::{anyhow, Result};
-use std::{sync::Arc, time::Instant};
+use std::time::Instant;
 
 use winit::{
     dpi::PhysicalSize,
-    event::{Event, WindowEvent},
+    event::{Event, VirtualKeyCode, WindowEvent},
     event_loop::{ControlFlow, EventLoop},
-    keyboard::{Key, KeyCode, NamedKey, PhysicalKey},
-    platform::pump_events::{EventLoopExtPumpEvents, PumpStatus},
     window::{Fullscreen, WindowBuilder},
 };
 
+use winit::platform::run_return::EventLoopExtRunReturn;
+
 mod crt;
 mod fast_crt;
 mod square;
@@ -21,7 +21,7 @@ use square::SquareFilter;
 
 pub struct Window {
     _instance: wgpu::Instance,
-    surface: wgpu::Surface<'static>,
+    surface: wgpu::Surface,
     _adapter: wgpu::Adapter,
     device: wgpu::Device,
     queue: wgpu::Queue,
@@ -29,7 +29,7 @@ pub struct Window {
     surface_config: wgpu::SurfaceConfiguration,
     filter: Box<dyn Filter>,
     event_loop: EventLoop<()>,
-    window: Arc<winit::window::Window>,
+    window: winit::window::Window,
     gamepads: [u8; 4],
     next_frame: Instant,
     is_fullscreen: bool,
@@ -39,7 +39,7 @@ pub struct Window {
 impl Window {
     pub fn new(window_config: WindowConfig) -> Result<Window> {
         async fn create(window_config: WindowConfig) -> Result<Window> {
-            let event_loop = EventLoop::new()?;
+            let event_loop = EventLoop::new();
             let window = WindowBuilder::new()
                 .with_inner_size(PhysicalSize::new(
                     (320. * window_config.scale).round() as u32,
@@ -56,10 +56,8 @@ impl Window {
 
             window.set_cursor_visible(false);
 
-            let window = Arc::new(window);
-
             let instance = wgpu::Instance::new(Default::default());
-            let surface = instance.create_surface(window.clone())?;
+            let surface = unsafe { instance.create_surface(&window) }?;
             let adapter = instance
                 .request_adapter(&wgpu::RequestAdapterOptions {
                     power_preference: wgpu::PowerPreference::LowPower,
@@ -121,93 +119,88 @@ impl Window {
 impl WindowImpl for Window {
     fn begin_frame(&mut self) -> Input {
         let mut reset = false;
-        self.event_loop
-            .set_control_flow(ControlFlow::WaitUntil(self.next_frame));
-        while self.is_open {
-            let timeout = self.next_frame.saturating_duration_since(Instant::now());
-            let status = self.event_loop.pump_events(Some(timeout), |event, elwt| {
-                let mut new_filter = None;
-                match event {
-                    Event::WindowEvent { event, .. } => match event {
-                        WindowEvent::Resized(new_size) => {
-                            self.surface_config.width = new_size.width;
-                            self.surface_config.height = new_size.height;
-                            self.surface.configure(&self.device, &self.surface_config);
-                            self.filter.resize(&self.queue, new_size);
-                        }
-                        WindowEvent::CloseRequested => {
-                            elwt.exit();
-                        }
-                        WindowEvent::KeyboardInput { event, .. } => {
-                            fn gamepad_button(input: &winit::event::KeyEvent) -> u8 {
-                                match input.physical_key {
-                                    PhysicalKey::Code(KeyCode::KeyZ) => 16,
-                                    PhysicalKey::Code(KeyCode::KeyX) => 32,
-                                    PhysicalKey::Code(KeyCode::KeyA) => 64,
-                                    PhysicalKey::Code(KeyCode::KeyS) => 128,
-                                    _ => match input.logical_key {
-                                        Key::Named(NamedKey::ArrowUp) => 1,
-                                        Key::Named(NamedKey::ArrowDown) => 2,
-                                        Key::Named(NamedKey::ArrowLeft) => 4,
-                                        Key::Named(NamedKey::ArrowRight) => 8,
-                                        _ => 0,
-                                    },
-                                }
+        self.event_loop.run_return(|event, _, control_flow| {
+            *control_flow = ControlFlow::WaitUntil(self.next_frame);
+            let mut new_filter = None;
+            match event {
+                Event::WindowEvent { event, .. } => match event {
+                    WindowEvent::Resized(new_size) => {
+                        self.surface_config.width = new_size.width;
+                        self.surface_config.height = new_size.height;
+                        self.surface.configure(&self.device, &self.surface_config);
+                        self.filter.resize(&self.queue, new_size);
+                    }
+                    WindowEvent::CloseRequested => {
+                        self.is_open = false;
+                        *control_flow = ControlFlow::Exit;
+                    }
+                    WindowEvent::KeyboardInput { input, .. } => {
+                        fn gamepad_button(input: &winit::event::KeyboardInput) -> u8 {
+                            match input.scancode {
+                                44 => 16,
+                                45 => 32,
+                                30 => 64,
+                                31 => 128,
+                                _ => match input.virtual_keycode {
+                                    Some(VirtualKeyCode::Up) => 1,
+                                    Some(VirtualKeyCode::Down) => 2,
+                                    Some(VirtualKeyCode::Left) => 4,
+                                    Some(VirtualKeyCode::Right) => 8,
+                                    _ => 0,
+                                },
                             }
-                            if event.state == winit::event::ElementState::Pressed {
-                                match event.logical_key {
-                                    Key::Named(NamedKey::Escape) => {
-                                        elwt.exit();
-                                    }
-                                    Key::Character(ref c) => match c.as_str() {
-                                        "f" => {
-                                            let fullscreen = if self.window.fullscreen().is_some() {
-                                                None
-                                            } else {
-                                                Some(Fullscreen::Borderless(None))
-                                            };
-                                            self.is_fullscreen = fullscreen.is_some();
-                                            self.window.set_fullscreen(fullscreen);
-                                        }
-                                        "r" => reset = true,
-                                        "1" => new_filter = Some(1),
-                                        "2" => new_filter = Some(2),
-                                        "3" => new_filter = Some(3),
-                                        "4" => new_filter = Some(4),
-                                        "5" => new_filter = Some(5),
-                                        _ => (),
-                                    },
-                                    _ => (),
+                        }
+                        if input.state == winit::event::ElementState::Pressed {
+                            match input.virtual_keycode {
+                                Some(VirtualKeyCode::Escape) => {
+                                    self.is_open = false;
+                                    *control_flow = ControlFlow::Exit;
                                 }
+                                Some(VirtualKeyCode::F) => {
+                                    let fullscreen = if self.window.fullscreen().is_some() {
+                                        None
+                                    } else {
+                                        Some(Fullscreen::Borderless(None))
+                                    };
+                                    self.is_fullscreen = fullscreen.is_some();
+                                    self.window.set_fullscreen(fullscreen);
+                                }
+                                Some(VirtualKeyCode::R) => reset = true,
+                                Some(VirtualKeyCode::Key1) => new_filter = Some(1),
+                                Some(VirtualKeyCode::Key2) => new_filter = Some(2),
+                                Some(VirtualKeyCode::Key3) => new_filter = Some(3),
+                                Some(VirtualKeyCode::Key4) => new_filter = Some(4),
+                                Some(VirtualKeyCode::Key5) => new_filter = Some(5),
+                                _ => (),
+                            }
 
-                                self.gamepads[0] |= gamepad_button(&event);
-                            } else {
-                                self.gamepads[0] &= !gamepad_button(&event);
-                            }
+                            self.gamepads[0] |= gamepad_button(&input);
+                        } else {
+                            self.gamepads[0] &= !gamepad_button(&input);
                         }
-                        _ => (),
-                    },
+                    }
                     _ => (),
+                },
+                Event::RedrawEventsCleared => {
+                    if Instant::now() >= self.next_frame
+                        // workaround needed on Wayland until the next winit release
+                        && self.window.fullscreen().is_some() == self.is_fullscreen
+                    {
+                        *control_flow = ControlFlow::Exit
+                    }
                 }
-                if let Some(new_filter) = new_filter {
-                    self.filter = create_filter(
-                        &self.device,
-                        &self.palette_screen_mode.screen_view,
-                        self.window.inner_size(),
-                        self.surface_config.format,
-                        new_filter,
-                    );
-                }
-            });
-            match status {
-                PumpStatus::Exit(_) => self.is_open = false,
                 _ => (),
             }
-
-            if Instant::now() >= self.next_frame {
-                break;
+            if let Some(new_filter) = new_filter {
+                self.filter = create_filter(
+                    &self.device,
+                    &self.palette_screen_mode.screen_view,
+                    self.window.inner_size(),
+                    self.surface_config.format,
+                    new_filter,
+                );
             }
-        }
+        });
         Input {
             gamepads: self.gamepads,
             reset,
@@ -243,12 +236,10 @@ impl WindowImpl for Window {
                             b: 0.0,
                             a: 1.0,
                         }),
-                        store: wgpu::StoreOp::Store,
+                        store: true,
                     },
                 })],
                 depth_stencil_attachment: None,
-                timestamp_writes: None,
-                occlusion_query_set: None,
             });
 
             self.filter.render(&mut render_pass);
@@ -550,12 +541,10 @@ impl PaletteScreenMode {
                 resolve_target: None,
                 ops: wgpu::Operations {
                     load: wgpu::LoadOp::Load,
-                    store: wgpu::StoreOp::Store,
+                    store: true,
                 },
             })],
             depth_stencil_attachment: None,
-            timestamp_writes: None,
-            occlusion_query_set: None,
         });
 
         render_pass.set_pipeline(&self.pipeline);

web/src/index.html

@@ -10,7 +10,7 @@
     </head>
     <body>
         <div id="uw8">
-            <a href="https://exoticorn.github.io/microw8">MicroW8</a> 0.3.0
+            <a href="https://exoticorn.github.io/microw8">MicroW8</a> 0.4.0
         </div>
         <div id="centered">
             <canvas class="screen" id="screen" width="320" height="240">

web/src/microw8.js

@@ -240,6 +240,7 @@ export default function MicroW8(screen, config = {}) {
             await audioReadyPromise;
     
             let startTime = Date.now();
+            let frameCounter = 0;
     
             const timePerFrame = 1000 / 60;
 
@@ -306,6 +307,7 @@ export default function MicroW8(screen, config = {}) {
                         let time = Date.now() - startTime;
                         u32Mem[16] = time;
                         u32Mem[17] = pad | gamepad;
+                        u32Mem[18] = frameCounter++;
                         if(instance.exports.upd) {
                             instance.exports.upd();
                         }