chore: Release lemur version 0.11.0

Cargo.toml

@@ -4,12 +4,13 @@ description = "An emulator for the Virtual Boy."
 repository = "https://git.virtual-boy.com/PVB/lemur"
 publish = false
 license = "MIT"
-version = "0.10.1"
+version = "0.11.0"
 edition = "2024"
 
 [dependencies]
 anyhow = "1"
 atoi = "2"
+audioadapter-buffers = "2"
 atomic = "0.6"
 bitflags = { version = "2", features = ["serde"] }
 bytemuck = { version = "1", features = ["derive"] }
@@ -24,7 +25,7 @@ egui-wgpu = { version = "0.33", features = ["winit"] }
 fxprof-processed-profile = "0.8"
 fixed = { version = "1.28", features = ["num-traits"] }
 gilrs = { version = "0.11", features = ["serde-serialize"] }
-gimli = "0.32"
+gimli = "0.33"
 hex = "0.4"
 image = { version = "0.25", default-features = false, features = ["png"] }
 itertools = "0.14"
@@ -35,10 +36,10 @@ num-traits = "0.2"
 object = "0.38"
 oneshot = "0.1"
 pollster = "0.4"
-rand = "0.9"
+rand = "0.10"
 rfd = "0.17"
 rtrb = "0.3"
-rubato = "0.16"
+rubato = "1"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 thread-priority = "3"

build.Dockerfile

@@ -9,8 +9,10 @@ ADD "https://github.com/joseluisq/macosx-sdks/releases/download/14.5/MacOSX14.5.
 RUN apt-get update && \
     apt-get install -y ca-certificates
 COPY llvm.sources /etc/apt/sources.list.d/llvm.sources
+COPY install-llvm.sh .
 RUN apt-get update && \
-    apt-get install -y bash bzip2 clang-21 git lld-21 llvm-21 make patch xz-utils && \
+    ./install-llvm.sh && \
+    apt-get install -y bash bzip2 git make patch xz-utils && \
     ln -s $(which clang-21) /usr/bin/clang && \
     ln -s $(which clang++-21) /usr/bin/clang++ && \
     ln -s $(which ld64.lld-21) /usr/bin/ld64.lld && \
@@ -19,11 +21,13 @@ RUN apt-get update && \
 FROM rust:1.93-bookworm
 ADD --chmod=644 "https://apt.llvm.org/llvm-snapshot.gpg.key" /etc/apt/trusted.gpg.d/apt.llvm.org.asc
 COPY llvm.sources /etc/apt/sources.list.d/llvm.sources
+COPY install-llvm.sh .
 RUN rustup target add x86_64-pc-windows-msvc && \
     rustup target add x86_64-apple-darwin && \
     rustup target add aarch64-apple-darwin && \
     apt-get update && \
-    apt-get install -y clang-21 lld-21 libc6-dev libasound2-dev libudev-dev genisoimage mingw-w64 && \
+    ./install-llvm.sh && \
+    apt-get install -y libc6-dev libasound2-dev libudev-dev genisoimage mingw-w64 && \
     cargo install cargo-bundle xwin && \
     xwin --accept-license splat --output xwin && \
     rm -rf .xwin-cache && \

install-llvm.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+# Hopefully temporary script to manually install working llvm packages.
+# The apt index for these is broken in bookworm, and upgrading to trixie
+# would make them depend on too new of a libc version.
+
+# https://apt.llvm.org/bookworm/pool/main/l/llvm-toolchain-21/clang-21_21.1.5~%2B%2B20251023083151%2B45afac62e373-1~exp1~20251023083333.51_amd64.deb
+PACKAGES=('clang-21' 'clang-tools-21' 'libclang-common-21-dev' 'libclang-cpp21' 'libclang-rt-21-dev' 'libclang1-21' 'libllvm21' 'lld-21' 'llvm-21' 'llvm-21-dev' 'llvm-21-linker-tools' 'llvm-21-runtime' 'llvm-21-tools')
+FILES=()
+URL='https://apt.llvm.org/bookworm/pool/main/l/llvm-toolchain-21'
+VERSION='21.1.5~%2B%2B20251023083151%2B45afac62e373-1~exp1~20251023083333.51_amd64.deb'
+
+apt-get install -y curl python3
+for package in "${PACKAGES[@]}"; do
+    curl -O -L "$URL/${package}_$VERSION"
+    FILES+=("./${package}_$VERSION")
+done
+
+apt-get install -y "${FILES[@]}"

src/app.rs

@@ -74,7 +74,7 @@ impl Application {
     ) -> Self {
         let wgpu = WgpuState::new();
         let icon = load_icon().ok().map(Arc::new);
-        let mappings = MappingProvider::new(persistence.clone());
+        let mappings = MappingProvider::new(persistence.clone(), args.player2_controller);
         let shortcuts = ShortcutProvider::new(persistence.clone());
         let controllers = ControllerManager::new(client.clone(), &mappings);
         let memory = Arc::new(MemoryClient::new(client.clone()));
@@ -84,7 +84,7 @@ impl Application {
             let proxy = proxy.clone();
             thread::spawn(|| process_gamepad_input(mappings, proxy));
         }
-        Self {
+        let app = Self {
             icon,
             wgpu,
             client,
@@ -106,7 +106,16 @@ impl Application {
             init_framebuffers: args.frame_buffers,
             init_registers: args.registers,
             init_terminal: args.terminal,
+        };
+        if args.player2 {
+            app.client
+                .send_command(EmulatorCommand::StartSecondSim(args.rom.clone()));
+
+            app.proxy
+                .send_event(UserEvent::OpenPlayer2)
+                .expect("Failed to open Player 2 window");
         }
+        app
     }
 
     fn open(&mut self, event_loop: &ActiveEventLoop, window: Box<dyn AppWindow>) {
@@ -382,7 +391,8 @@ impl WgpuState {
         });
 
         let adapter = pollster::block_on(instance.request_adapter(&wgpu::RequestAdapterOptions {
-            power_preference: wgpu::PowerPreference::HighPerformance,
+            power_preference:
+                wgpu::PowerPreference::from_env().unwrap_or(wgpu::PowerPreference::LowPower),
             compatible_surface: None,
             force_fallback_adapter: false,
         }))
@@ -439,7 +449,7 @@ impl Viewport {
         egui_extras::install_image_loaders(&ctx);
 
         let wgpu_config = egui_wgpu::WgpuConfiguration {
-            present_mode: wgpu::PresentMode::AutoNoVsync,
+            present_mode: wgpu::PresentMode::AutoVsync,
             wgpu_setup: egui_wgpu::WgpuSetup::Existing(egui_wgpu::WgpuSetupExisting {
                 instance: wgpu.instance.clone(),
                 adapter: wgpu.adapter.clone(),

src/audio.rs

@@ -1,17 +1,17 @@
 use std::time::Duration;
 
 use anyhow::{Result, bail};
+use audioadapter_buffers::direct::InterleavedSlice;
 use cpal::traits::{DeviceTrait, HostTrait, StreamTrait};
-use itertools::Itertools;
+use rubato::Resampler;
-use rubato::{FastFixedOut, Resampler};
 use tracing::error;
 
 pub struct Audio {
     #[allow(unused)]
     stream: cpal::Stream,
-    sampler: FastFixedOut<f32>,
+    sampler: rubato::Async<f32>,
-    input_buffer: Vec<Vec<f32>>,
+    input_buffer: Vec<f32>,
-    output_buffer: Vec<Vec<f32>>,
+    output_buffer: Vec<f32>,
     sample_sink: rtrb::Producer<f32>,
 }
 
@@ -32,17 +32,18 @@ impl Audio {
         let mut config = config.with_max_sample_rate().config();
         let resample_ratio = config.sample_rate.0 as f64 / VB_FREQUENCY as f64;
         let chunk_size = (834.0 * resample_ratio) as usize;
-        let sampler = FastFixedOut::new(
+        let sampler = rubato::Async::new_poly(
             resample_ratio,
             64.0,
             rubato::PolynomialDegree::Cubic,
             chunk_size,
             2,
+            rubato::FixedAsync::Output,
         )?;
         config.buffer_size = cpal::BufferSize::Fixed(sampler.output_frames_max() as u32);
 
-        let input_buffer = sampler.input_buffer_allocate(true);
+        let input_buffer = Vec::with_capacity(sampler.nbr_channels() * sampler.input_frames_max());
-        let output_buffer = sampler.output_buffer_allocate(true);
+        let output_buffer = vec![0.0; sampler.nbr_channels() * sampler.output_frames_max()];
         let (sample_sink, mut sample_source) =
             rtrb::RingBuffer::new(sampler.output_frames_max() * 4);
 
@@ -78,34 +79,38 @@ impl Audio {
         })
     }
 
-    pub fn update(&mut self, samples: &[f32]) {
+    pub fn update(&mut self, mut samples: &[f32]) {
-        for sample in samples.chunks_exact(2) {
+        while self.input_buffer.len() + samples.len() >= self.sampler.input_frames_next() * 2 {
-            for (channel, value) in self.input_buffer.iter_mut().zip(sample) {
+            let samples_needed =
-                channel.push(*value);
+                (self.sampler.input_frames_next() * 2).saturating_sub(self.input_buffer.len());
-            }
+            let (current_samples, future_samples) = samples.split_at(samples_needed);
-            if self.input_buffer[0].len() >= self.sampler.input_frames_next() {
+            self.input_buffer.extend_from_slice(current_samples);
+            samples = future_samples;
+
+            let buffer_in =
+                InterleavedSlice::new(&self.input_buffer, 2, self.sampler.input_frames_next())
+                    .unwrap();
+            let mut buffer_out = InterleavedSlice::new_mut(
+                &mut self.output_buffer,
+                2,
+                self.sampler.output_frames_next(),
+            )
+            .unwrap();
             let (_, output_samples) = self
                 .sampler
-                    .process_into_buffer(&self.input_buffer, &mut self.output_buffer, None)
+                .process_into_buffer(&buffer_in, &mut buffer_out, None)
                 .unwrap();
-
             let chunk = match self.sample_sink.write_chunk_uninit(output_samples * 2) {
                 Ok(c) => c,
                 Err(rtrb::chunks::ChunkError::TooFewSlots(n)) => {
                     self.sample_sink.write_chunk_uninit(n).unwrap()
                 }
             };
-                let interleaved = self.output_buffer[0]
+            chunk.fill_from_iter(self.output_buffer[..output_samples * 2].iter().copied());
-                    .iter()
-                    .interleave(self.output_buffer[1].iter())
-                    .cloned();
-                chunk.fill_from_iter(interleaved);
 
-                for channel in &mut self.input_buffer {
+            self.input_buffer.clear();
-                    channel.clear();
-                }
-            }
         }
+        self.input_buffer.extend_from_slice(samples);
 
         while self.sample_sink.slots() < self.sampler.output_frames_max() * 2 {
             std::thread::sleep(Duration::from_micros(500));

src/config.rs

@@ -40,6 +40,12 @@ pub struct CliArgs {
     /// Watch ROM files for changes, automatically reload
     #[arg(short, long)]
     pub watch: bool,
+    /// Automatically open Player 2 for multiplayer
+    #[arg(long)]
+    pub player2: bool,
+    /// Map the first connected controller to Player 2
+    #[arg(long)]
+    pub player2_controller: bool,
 }
 
 pub const COLOR_PRESETS: [[Color32; 2]; 3] = [

src/emulator/cart.rs

@@ -1,6 +1,6 @@
 use anyhow::Result;
 use notify::Watcher;
-use rand::Rng;
+use rand::RngExt;
 use std::{
     fs::{self, File},
     io::{Read, Seek as _, SeekFrom, Write as _},

src/emulator/game_info.rs

@@ -245,9 +245,12 @@ impl ParseContext<'_> {
     }
 }
 
-fn parse_inline(ctx: &mut ParseContext, node: gimli::EntriesTreeNode<Reader>) -> Result<()> {
+fn parse_inline<'a>(
+    ctx: &mut ParseContext<'a>,
+    node: gimli::EntriesTreeNode<'a, '_, Reader<'a>>,
+) -> Result<()> {
     if node.entry().tag() == gimli::DW_TAG_inlined_subroutine
-        && let Some(attr) = node.entry().attr_value(gimli::DW_AT_abstract_origin)?
+        && let Some(attr) = node.entry().attr_value(gimli::DW_AT_abstract_origin)
         && let Some(name) = ctx.name_attr(attr)?
     {
         let name = Arc::new(name);

src/input.rs

@@ -272,13 +272,14 @@ impl Mappings for InputMapping {
 #[derive(Clone)]
 pub struct MappingProvider {
     persistence: Persistence,
+    first_gamepad_is_p2: bool,
     device_mappings: Arc<RwLock<HashMap<DeviceId, Arc<RwLock<GamepadMapping>>>>>,
     sim_mappings: HashMap<SimId, Arc<RwLock<InputMapping>>>,
     gamepad_info: Arc<RwLock<HashMap<GamepadId, GamepadInfo>>>,
 }
 
 impl MappingProvider {
-    pub fn new(persistence: Persistence) -> Self {
+    pub fn new(persistence: Persistence, first_gamepad_is_p2: bool) -> Self {
         let mut sim_mappings = HashMap::new();
         let mut device_mappings = HashMap::new();
 
@@ -307,6 +308,7 @@ impl MappingProvider {
             device_mappings: Arc::new(RwLock::new(device_mappings)),
             gamepad_info: Arc::new(RwLock::new(HashMap::new())),
             sim_mappings,
+            first_gamepad_is_p2,
         }
     }
 
@@ -338,7 +340,12 @@ impl MappingProvider {
         .clone();
         drop(lock);
         let mut lock = self.gamepad_info.write().unwrap();
-        let bound_to = SimId::values()
+        let players = if self.first_gamepad_is_p2 {
+            vec![SimId::Player2, SimId::Player1]
+        } else {
+            vec![SimId::Player1, SimId::Player2]
+        };
+        let bound_to = players
             .into_iter()
             .find(|sim_id| lock.values().all(|info| info.bound_to != Some(*sim_id)));
         if let Entry::Vacant(entry) = lock.entry(gamepad.id()) {