Compare commits
No commits in common. "40c45617483ab573992634fb0d3fdd8ba91ccfc4" and "3c7915fa53fbd5072c124280f83219e8f607cc78" have entirely different histories.
40c4561748
...
3c7915fa53
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@ -1,5 +1,4 @@
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/shrooms-vb
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/shrooms-vb
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/shrooms-vb.exe
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/shrooms-vb.exe
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.vscode
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.vscode
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output
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output
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/target
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File diff suppressed because it is too large
Load Diff
20
Cargo.toml
20
Cargo.toml
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@ -1,20 +0,0 @@
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[package]
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name = "shrooms-vb-native"
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version = "0.1.0"
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edition = "2021"
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[dependencies]
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anyhow = "1"
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clap = { version = "4", features = ["derive"] }
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imgui = "0.12"
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imgui-wgpu = { git = "https://github.com/Yatekii/imgui-wgpu-rs", rev = "2edd348" }
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imgui-winit-support = "0.13"
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pollster = "0.4"
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wgpu = "22.1"
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winit = "0.30"
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[build-dependencies]
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cc = "1"
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[profile.release]
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lto = "thin"
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12
build.rs
12
build.rs
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@ -1,12 +0,0 @@
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use std::path::Path;
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fn main() {
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println!("cargo::rerun-if-changed=shrooms-vb-core");
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cc::Build::new()
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.include(Path::new("shrooms-vb-core/core"))
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.opt_level(2)
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.flag_if_supported("-flto")
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.flag_if_supported("-fno-strict-aliasing")
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.file(Path::new("shrooms-vb-core/core/vb.c"))
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.compile("vb");
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}
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@ -1,49 +0,0 @@
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// Vertex shader
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struct VertexOutput {
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@builtin(position) clip_position: vec4<f32>,
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@location(0) tex_coords: vec2<f32>,
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};
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@vertex
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fn vs_main(
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@builtin(vertex_index) in_vertex_index: u32,
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) -> VertexOutput {
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var out: VertexOutput;
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var x: f32;
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var y: f32;
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switch in_vertex_index {
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case 0u, 3u: {
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x = -1.0;
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y = 1.0;
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}
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case 1u: {
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x = -1.0;
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y = -1.0;
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}
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case 2u, 4u: {
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x = 1.0;
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y = -1.0;
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}
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default: {
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x = 1.0;
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y = 1.0;
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}
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}
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out.clip_position = vec4<f32>(x, y, 0.0, 1.0);
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out.tex_coords = vec2<f32>((x + 1.0) / 2.0, (1.0 - y) / 2.0);
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return out;
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}
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// Fragment shader
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@group(0) @binding(0)
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var u_textures: binding_array<texture_2d<f32>>;
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@group(0) @binding(1)
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var u_sampler: sampler;
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@fragment
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fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {
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return textureSample(u_textures[0], u_sampler, in.tex_coords);
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// return vec4<f32>(0.3, 0.2, 0.1, 1.0);
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}
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450
src/app.rs
450
src/app.rs
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@ -1,450 +0,0 @@
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use imgui::*;
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use imgui_wgpu::{Renderer, RendererConfig};
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use imgui_winit_support::WinitPlatform;
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use pollster::block_on;
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use std::{num::NonZero, sync::Arc, time::Instant};
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use winit::{
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application::ApplicationHandler,
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dpi::LogicalSize,
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event::{ElementState, Event, WindowEvent},
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event_loop::ActiveEventLoop,
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keyboard::Key,
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platform::windows::{CornerPreference, WindowAttributesExtWindows},
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window::Window,
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};
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use crate::{
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emulator::{EmulatorClient, EmulatorCommand},
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renderer::GameRenderer,
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};
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struct ImguiState {
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context: imgui::Context,
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platform: WinitPlatform,
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renderer: Renderer,
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clear_color: wgpu::Color,
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last_frame: Instant,
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last_cursor: Option<MouseCursor>,
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}
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struct AppWindow {
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device: wgpu::Device,
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queue: Arc<wgpu::Queue>,
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window: Arc<Window>,
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surface_desc: wgpu::SurfaceConfiguration,
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surface: wgpu::Surface<'static>,
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hidpi_factor: f64,
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pipeline: wgpu::RenderPipeline,
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bind_group: wgpu::BindGroup,
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imgui: Option<ImguiState>,
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}
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impl AppWindow {
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fn setup_gpu(event_loop: &ActiveEventLoop, client: &EmulatorClient) -> Self {
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let instance = wgpu::Instance::new(wgpu::InstanceDescriptor {
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backends: wgpu::Backends::PRIMARY,
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..Default::default()
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});
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let window = {
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let size = LogicalSize::new(384, 244);
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let attributes = Window::default_attributes()
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.with_inner_size(size)
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.with_title("Shrooms VB")
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.with_corner_preference(CornerPreference::DoNotRound);
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Arc::new(event_loop.create_window(attributes).unwrap())
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};
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let size = window.inner_size();
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let hidpi_factor = window.scale_factor();
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let surface = instance.create_surface(window.clone()).unwrap();
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let adapter = block_on(instance.request_adapter(&wgpu::RequestAdapterOptions {
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power_preference: wgpu::PowerPreference::HighPerformance,
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compatible_surface: Some(&surface),
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force_fallback_adapter: false,
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}))
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.unwrap();
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let (device, queue) = block_on(adapter.request_device(
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&wgpu::DeviceDescriptor {
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required_features: wgpu::Features::TEXTURE_BINDING_ARRAY,
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..wgpu::DeviceDescriptor::default()
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},
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None,
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))
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.unwrap();
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let queue = Arc::new(queue);
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let eyes = [
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Arc::new(GameRenderer::create_texture(&device, "left eye")),
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Arc::new(GameRenderer::create_texture(&device, "right eye")),
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];
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client.send_command(EmulatorCommand::SetRenderer(GameRenderer {
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queue: queue.clone(),
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eyes: eyes.clone(),
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}));
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let eyes = [
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eyes[0].create_view(&wgpu::TextureViewDescriptor::default()),
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eyes[1].create_view(&wgpu::TextureViewDescriptor::default()),
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];
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let sampler = device.create_sampler(&wgpu::SamplerDescriptor::default());
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let texture_bind_group_layout =
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device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
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label: Some("texture bind group layout"),
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entries: &[
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wgpu::BindGroupLayoutEntry {
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binding: 0,
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visibility: wgpu::ShaderStages::FRAGMENT,
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ty: wgpu::BindingType::Texture {
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sample_type: wgpu::TextureSampleType::Float { filterable: true },
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view_dimension: wgpu::TextureViewDimension::D2,
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multisampled: false,
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},
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count: NonZero::new(2),
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},
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wgpu::BindGroupLayoutEntry {
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binding: 1,
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visibility: wgpu::ShaderStages::FRAGMENT,
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ty: wgpu::BindingType::Sampler(wgpu::SamplerBindingType::Filtering),
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count: None,
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},
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||||||
],
|
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||||||
});
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let bind_group = device.create_bind_group(&wgpu::BindGroupDescriptor {
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label: Some("bind group"),
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layout: &texture_bind_group_layout,
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entries: &[
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wgpu::BindGroupEntry {
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binding: 0,
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resource: wgpu::BindingResource::TextureViewArray(&[&eyes[0], &eyes[1]]),
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||||||
},
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wgpu::BindGroupEntry {
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binding: 1,
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||||||
resource: wgpu::BindingResource::Sampler(&sampler),
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||||||
},
|
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||||||
],
|
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||||||
});
|
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||||||
|
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||||||
// Set up swap chain
|
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let surface_desc = wgpu::SurfaceConfiguration {
|
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usage: wgpu::TextureUsages::RENDER_ATTACHMENT,
|
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||||||
format: wgpu::TextureFormat::Bgra8UnormSrgb,
|
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||||||
width: size.width,
|
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||||||
height: size.height,
|
|
||||||
present_mode: wgpu::PresentMode::Fifo,
|
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||||||
desired_maximum_frame_latency: 2,
|
|
||||||
alpha_mode: wgpu::CompositeAlphaMode::Auto,
|
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||||||
view_formats: vec![wgpu::TextureFormat::Bgra8Unorm],
|
|
||||||
};
|
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||||||
|
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surface.configure(&device, &surface_desc);
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||||||
|
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||||||
let shader = device.create_shader_module(wgpu::include_wgsl!("anaglyph.wgsl"));
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||||||
let render_pipeline_layout =
|
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||||||
device.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
|
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||||||
label: Some("render pipeline layout"),
|
|
||||||
bind_group_layouts: &[&texture_bind_group_layout],
|
|
||||||
push_constant_ranges: &[],
|
|
||||||
});
|
|
||||||
let render_pipeline = device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
|
|
||||||
label: Some("render pipeline"),
|
|
||||||
layout: Some(&render_pipeline_layout),
|
|
||||||
vertex: wgpu::VertexState {
|
|
||||||
module: &shader,
|
|
||||||
entry_point: "vs_main",
|
|
||||||
buffers: &[],
|
|
||||||
compilation_options: wgpu::PipelineCompilationOptions::default(),
|
|
||||||
},
|
|
||||||
fragment: Some(wgpu::FragmentState {
|
|
||||||
module: &shader,
|
|
||||||
entry_point: "fs_main",
|
|
||||||
targets: &[Some(wgpu::ColorTargetState {
|
|
||||||
format: wgpu::TextureFormat::Bgra8UnormSrgb,
|
|
||||||
blend: Some(wgpu::BlendState::REPLACE),
|
|
||||||
write_mask: wgpu::ColorWrites::ALL,
|
|
||||||
})],
|
|
||||||
compilation_options: wgpu::PipelineCompilationOptions::default(),
|
|
||||||
}),
|
|
||||||
primitive: wgpu::PrimitiveState {
|
|
||||||
topology: wgpu::PrimitiveTopology::TriangleList,
|
|
||||||
strip_index_format: None,
|
|
||||||
front_face: wgpu::FrontFace::Ccw,
|
|
||||||
cull_mode: Some(wgpu::Face::Back),
|
|
||||||
polygon_mode: wgpu::PolygonMode::Fill,
|
|
||||||
unclipped_depth: false,
|
|
||||||
conservative: false,
|
|
||||||
},
|
|
||||||
depth_stencil: None,
|
|
||||||
multisample: wgpu::MultisampleState {
|
|
||||||
count: 1,
|
|
||||||
mask: !0,
|
|
||||||
alpha_to_coverage_enabled: false,
|
|
||||||
},
|
|
||||||
multiview: None,
|
|
||||||
cache: None,
|
|
||||||
});
|
|
||||||
|
|
||||||
let imgui = None;
|
|
||||||
Self {
|
|
||||||
device,
|
|
||||||
queue,
|
|
||||||
window,
|
|
||||||
surface_desc,
|
|
||||||
surface,
|
|
||||||
hidpi_factor,
|
|
||||||
pipeline: render_pipeline,
|
|
||||||
bind_group,
|
|
||||||
imgui,
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn setup_imgui(&mut self) {
|
|
||||||
let mut context = imgui::Context::create();
|
|
||||||
let mut platform = imgui_winit_support::WinitPlatform::new(&mut context);
|
|
||||||
platform.attach_window(
|
|
||||||
context.io_mut(),
|
|
||||||
&self.window,
|
|
||||||
imgui_winit_support::HiDpiMode::Default,
|
|
||||||
);
|
|
||||||
context.set_ini_filename(None);
|
|
||||||
|
|
||||||
let font_size = (13.0 * self.hidpi_factor) as f32;
|
|
||||||
context.io_mut().font_global_scale = (1.0 / self.hidpi_factor) as f32;
|
|
||||||
|
|
||||||
context.fonts().add_font(&[FontSource::DefaultFontData {
|
|
||||||
config: Some(imgui::FontConfig {
|
|
||||||
oversample_h: 1,
|
|
||||||
pixel_snap_h: true,
|
|
||||||
size_pixels: font_size,
|
|
||||||
..Default::default()
|
|
||||||
}),
|
|
||||||
}]);
|
|
||||||
|
|
||||||
//
|
|
||||||
// Set up dear imgui wgpu renderer
|
|
||||||
//
|
|
||||||
let clear_color = wgpu::Color::BLACK;
|
|
||||||
|
|
||||||
let renderer_config = RendererConfig {
|
|
||||||
texture_format: self.surface_desc.format,
|
|
||||||
..Default::default()
|
|
||||||
};
|
|
||||||
|
|
||||||
let renderer = Renderer::new(&mut context, &self.device, &self.queue, renderer_config);
|
|
||||||
|
|
||||||
let last_frame = Instant::now();
|
|
||||||
let last_cursor = None;
|
|
||||||
|
|
||||||
self.imgui = Some(ImguiState {
|
|
||||||
context,
|
|
||||||
platform,
|
|
||||||
renderer,
|
|
||||||
clear_color,
|
|
||||||
last_frame,
|
|
||||||
last_cursor,
|
|
||||||
})
|
|
||||||
}
|
|
||||||
|
|
||||||
fn new(event_loop: &ActiveEventLoop, client: &EmulatorClient) -> Self {
|
|
||||||
let mut window = Self::setup_gpu(event_loop, client);
|
|
||||||
window.setup_imgui();
|
|
||||||
window
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
pub struct App {
|
|
||||||
window: Option<AppWindow>,
|
|
||||||
client: EmulatorClient,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl App {
|
|
||||||
pub fn new(client: EmulatorClient) -> Self {
|
|
||||||
Self {
|
|
||||||
window: None,
|
|
||||||
client,
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl ApplicationHandler for App {
|
|
||||||
fn resumed(&mut self, event_loop: &ActiveEventLoop) {
|
|
||||||
self.window = Some(AppWindow::new(event_loop, &self.client));
|
|
||||||
}
|
|
||||||
|
|
||||||
fn window_event(
|
|
||||||
&mut self,
|
|
||||||
event_loop: &ActiveEventLoop,
|
|
||||||
window_id: winit::window::WindowId,
|
|
||||||
event: WindowEvent,
|
|
||||||
) {
|
|
||||||
let window = self.window.as_mut().unwrap();
|
|
||||||
let imgui = window.imgui.as_mut().unwrap();
|
|
||||||
|
|
||||||
match &event {
|
|
||||||
WindowEvent::Resized(size) => {
|
|
||||||
window.surface_desc = wgpu::SurfaceConfiguration {
|
|
||||||
usage: wgpu::TextureUsages::RENDER_ATTACHMENT,
|
|
||||||
format: wgpu::TextureFormat::Bgra8UnormSrgb,
|
|
||||||
width: size.width,
|
|
||||||
height: size.height,
|
|
||||||
present_mode: wgpu::PresentMode::Fifo,
|
|
||||||
desired_maximum_frame_latency: 2,
|
|
||||||
alpha_mode: wgpu::CompositeAlphaMode::Auto,
|
|
||||||
view_formats: vec![wgpu::TextureFormat::Bgra8Unorm],
|
|
||||||
};
|
|
||||||
|
|
||||||
window
|
|
||||||
.surface
|
|
||||||
.configure(&window.device, &window.surface_desc);
|
|
||||||
}
|
|
||||||
WindowEvent::CloseRequested => event_loop.exit(),
|
|
||||||
WindowEvent::KeyboardInput { event, .. } => {
|
|
||||||
if let Key::Character("s") = event.logical_key.as_ref() {
|
|
||||||
match event.state {
|
|
||||||
ElementState::Pressed => {
|
|
||||||
self.client.send_command(EmulatorCommand::PressStart)
|
|
||||||
}
|
|
||||||
ElementState::Released => {
|
|
||||||
self.client.send_command(EmulatorCommand::ReleaseStart)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
WindowEvent::RedrawRequested => {
|
|
||||||
let now = Instant::now();
|
|
||||||
imgui
|
|
||||||
.context
|
|
||||||
.io_mut()
|
|
||||||
.update_delta_time(now - imgui.last_frame);
|
|
||||||
imgui.last_frame = now;
|
|
||||||
|
|
||||||
let frame = match window.surface.get_current_texture() {
|
|
||||||
Ok(frame) => frame,
|
|
||||||
Err(e) => {
|
|
||||||
eprintln!("dropped frame: {e:?}");
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
imgui
|
|
||||||
.platform
|
|
||||||
.prepare_frame(imgui.context.io_mut(), &window.window)
|
|
||||||
.expect("Failed to prepare frame");
|
|
||||||
let ui = imgui.context.frame();
|
|
||||||
let mut height = 0.0;
|
|
||||||
ui.main_menu_bar(|| {
|
|
||||||
height = ui.window_size()[1];
|
|
||||||
ui.menu("ROM", || {
|
|
||||||
if ui.menu_item("Open ROM") {
|
|
||||||
println!("clicked");
|
|
||||||
}
|
|
||||||
if ui.menu_item("Quit") {
|
|
||||||
event_loop.exit();
|
|
||||||
}
|
|
||||||
});
|
|
||||||
ui.menu("Emulation", || {
|
|
||||||
if ui.menu_item("Pause") {
|
|
||||||
println!("clicked");
|
|
||||||
}
|
|
||||||
if ui.menu_item("Reset") {
|
|
||||||
println!("clicked");
|
|
||||||
}
|
|
||||||
});
|
|
||||||
});
|
|
||||||
|
|
||||||
let mut encoder: wgpu::CommandEncoder = window
|
|
||||||
.device
|
|
||||||
.create_command_encoder(&wgpu::CommandEncoderDescriptor { label: None });
|
|
||||||
|
|
||||||
if imgui.last_cursor != ui.mouse_cursor() {
|
|
||||||
imgui.last_cursor = ui.mouse_cursor();
|
|
||||||
imgui.platform.prepare_render(ui, &window.window);
|
|
||||||
}
|
|
||||||
|
|
||||||
let view = frame
|
|
||||||
.texture
|
|
||||||
.create_view(&wgpu::TextureViewDescriptor::default());
|
|
||||||
let mut rpass = encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
|
|
||||||
label: None,
|
|
||||||
color_attachments: &[Some(wgpu::RenderPassColorAttachment {
|
|
||||||
view: &view,
|
|
||||||
resolve_target: None,
|
|
||||||
ops: wgpu::Operations {
|
|
||||||
load: wgpu::LoadOp::Clear(imgui.clear_color),
|
|
||||||
store: wgpu::StoreOp::Store,
|
|
||||||
},
|
|
||||||
})],
|
|
||||||
depth_stencil_attachment: None,
|
|
||||||
timestamp_writes: None,
|
|
||||||
occlusion_query_set: None,
|
|
||||||
});
|
|
||||||
|
|
||||||
rpass.set_pipeline(&window.pipeline);
|
|
||||||
let hidpi = window.hidpi_factor as f32;
|
|
||||||
rpass.set_viewport(0.0, height * hidpi, 384.0 * hidpi, 224.0 * hidpi, 0.0, 1.0);
|
|
||||||
rpass.set_bind_group(0, &window.bind_group, &[]);
|
|
||||||
rpass.draw(0..6, 0..1);
|
|
||||||
|
|
||||||
rpass.set_viewport(0.0, 0.0, 384.0 * hidpi, 224.0 * hidpi, 0.0, 1.0);
|
|
||||||
imgui
|
|
||||||
.renderer
|
|
||||||
.render(
|
|
||||||
imgui.context.render(),
|
|
||||||
&window.queue,
|
|
||||||
&window.device,
|
|
||||||
&mut rpass,
|
|
||||||
)
|
|
||||||
.expect("Rendering failed");
|
|
||||||
|
|
||||||
drop(rpass);
|
|
||||||
|
|
||||||
window.queue.submit(Some(encoder.finish()));
|
|
||||||
|
|
||||||
frame.present();
|
|
||||||
}
|
|
||||||
_ => (),
|
|
||||||
}
|
|
||||||
|
|
||||||
imgui.platform.handle_event::<()>(
|
|
||||||
imgui.context.io_mut(),
|
|
||||||
&window.window,
|
|
||||||
&Event::WindowEvent { window_id, event },
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
fn user_event(&mut self, _event_loop: &ActiveEventLoop, event: ()) {
|
|
||||||
let window = self.window.as_mut().unwrap();
|
|
||||||
let imgui = window.imgui.as_mut().unwrap();
|
|
||||||
imgui.platform.handle_event::<()>(
|
|
||||||
imgui.context.io_mut(),
|
|
||||||
&window.window,
|
|
||||||
&Event::UserEvent(event),
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
fn device_event(
|
|
||||||
&mut self,
|
|
||||||
_event_loop: &ActiveEventLoop,
|
|
||||||
device_id: winit::event::DeviceId,
|
|
||||||
event: winit::event::DeviceEvent,
|
|
||||||
) {
|
|
||||||
let window = self.window.as_mut().unwrap();
|
|
||||||
let imgui = window.imgui.as_mut().unwrap();
|
|
||||||
imgui.platform.handle_event::<()>(
|
|
||||||
imgui.context.io_mut(),
|
|
||||||
&window.window,
|
|
||||||
&Event::DeviceEvent { device_id, event },
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
fn about_to_wait(&mut self, _event_loop: &ActiveEventLoop) {
|
|
||||||
let window = self.window.as_mut().unwrap();
|
|
||||||
let imgui = window.imgui.as_mut().unwrap();
|
|
||||||
window.window.request_redraw();
|
|
||||||
imgui.platform.handle_event::<()>(
|
|
||||||
imgui.context.io_mut(),
|
|
||||||
&window.window,
|
|
||||||
&Event::AboutToWait,
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,93 +0,0 @@
|
||||||
use std::{
|
|
||||||
fs,
|
|
||||||
path::Path,
|
|
||||||
sync::mpsc::{self, TryRecvError},
|
|
||||||
};
|
|
||||||
|
|
||||||
use anyhow::Result;
|
|
||||||
|
|
||||||
use crate::{renderer::GameRenderer, shrooms_vb_core::CoreVB};
|
|
||||||
|
|
||||||
pub struct Emulator {
|
|
||||||
sim: CoreVB,
|
|
||||||
commands: mpsc::Receiver<EmulatorCommand>,
|
|
||||||
renderer: Option<GameRenderer>,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl Emulator {
|
|
||||||
pub fn new() -> (Self, EmulatorClient) {
|
|
||||||
let (sink, source) = mpsc::channel();
|
|
||||||
let emu = Emulator {
|
|
||||||
sim: CoreVB::new(),
|
|
||||||
commands: source,
|
|
||||||
renderer: None,
|
|
||||||
};
|
|
||||||
let queue = EmulatorClient { queue: sink };
|
|
||||||
(emu, queue)
|
|
||||||
}
|
|
||||||
|
|
||||||
pub fn load_rom(&mut self, path: &Path) -> Result<()> {
|
|
||||||
let bytes = fs::read(path)?;
|
|
||||||
self.sim.load_rom(bytes)?;
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
pub fn run(&mut self) {
|
|
||||||
let mut eye_contents = [vec![0u8; 384 * 224], vec![0u8; 384 * 224]];
|
|
||||||
loop {
|
|
||||||
self.sim.emulate_frame();
|
|
||||||
if let Some(renderer) = &mut self.renderer {
|
|
||||||
if self.sim.read_pixels(&mut eye_contents) {
|
|
||||||
renderer.render(&eye_contents);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
loop {
|
|
||||||
match self.commands.try_recv() {
|
|
||||||
Ok(command) => self.handle_command(command),
|
|
||||||
Err(TryRecvError::Empty) => {
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
Err(TryRecvError::Disconnected) => {
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn handle_command(&mut self, command: EmulatorCommand) {
|
|
||||||
match command {
|
|
||||||
EmulatorCommand::SetRenderer(renderer) => {
|
|
||||||
self.renderer = Some(renderer);
|
|
||||||
}
|
|
||||||
EmulatorCommand::PressStart => {
|
|
||||||
self.sim.set_keys(0x1003);
|
|
||||||
}
|
|
||||||
EmulatorCommand::ReleaseStart => {
|
|
||||||
self.sim.set_keys(0x0003);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[derive(Debug)]
|
|
||||||
pub enum EmulatorCommand {
|
|
||||||
SetRenderer(GameRenderer),
|
|
||||||
PressStart,
|
|
||||||
ReleaseStart,
|
|
||||||
}
|
|
||||||
|
|
||||||
pub struct EmulatorClient {
|
|
||||||
queue: mpsc::Sender<EmulatorCommand>,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl EmulatorClient {
|
|
||||||
pub fn send_command(&self, command: EmulatorCommand) {
|
|
||||||
if let Err(err) = self.queue.send(command) {
|
|
||||||
eprintln!(
|
|
||||||
"could not send command {:?} as emulator is shut down",
|
|
||||||
err.0
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
32
src/main.rs
32
src/main.rs
|
|
@ -1,32 +0,0 @@
|
||||||
use std::{path::PathBuf, thread};
|
|
||||||
|
|
||||||
use anyhow::Result;
|
|
||||||
use app::App;
|
|
||||||
use clap::Parser;
|
|
||||||
use emulator::Emulator;
|
|
||||||
use winit::event_loop::{ControlFlow, EventLoop};
|
|
||||||
|
|
||||||
mod app;
|
|
||||||
mod emulator;
|
|
||||||
mod renderer;
|
|
||||||
mod shrooms_vb_core;
|
|
||||||
|
|
||||||
#[derive(Parser)]
|
|
||||||
struct Args {
|
|
||||||
rom: PathBuf,
|
|
||||||
}
|
|
||||||
|
|
||||||
fn main() -> Result<()> {
|
|
||||||
let args = Args::parse();
|
|
||||||
|
|
||||||
let (mut emulator, client) = Emulator::new();
|
|
||||||
emulator.load_rom(&args.rom)?;
|
|
||||||
thread::spawn(move || {
|
|
||||||
emulator.run();
|
|
||||||
});
|
|
||||||
|
|
||||||
let event_loop = EventLoop::new().unwrap();
|
|
||||||
event_loop.set_control_flow(ControlFlow::Poll);
|
|
||||||
event_loop.run_app(&mut App::new(client))?;
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
@ -1,58 +0,0 @@
|
||||||
use std::sync::Arc;
|
|
||||||
|
|
||||||
use wgpu::{
|
|
||||||
Extent3d, ImageCopyTexture, ImageDataLayout, Origin3d, Queue, Texture, TextureDescriptor,
|
|
||||||
TextureFormat, TextureUsages,
|
|
||||||
};
|
|
||||||
|
|
||||||
#[derive(Debug)]
|
|
||||||
pub struct GameRenderer {
|
|
||||||
pub queue: Arc<Queue>,
|
|
||||||
pub eyes: [Arc<Texture>; 2],
|
|
||||||
}
|
|
||||||
|
|
||||||
impl GameRenderer {
|
|
||||||
pub fn render(&self, buffers: &[Vec<u8>; 2]) {
|
|
||||||
for (texture, buffer) in self.eyes.iter().zip(buffers) {
|
|
||||||
self.update_texture(texture, buffer);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
fn update_texture(&self, texture: &Texture, buffer: &[u8]) {
|
|
||||||
let texture = ImageCopyTexture {
|
|
||||||
texture,
|
|
||||||
mip_level: 0,
|
|
||||||
origin: Origin3d::ZERO,
|
|
||||||
aspect: wgpu::TextureAspect::All,
|
|
||||||
};
|
|
||||||
let size = Extent3d {
|
|
||||||
width: 384,
|
|
||||||
height: 224,
|
|
||||||
depth_or_array_layers: 1,
|
|
||||||
};
|
|
||||||
let data_layout = ImageDataLayout {
|
|
||||||
offset: 0,
|
|
||||||
bytes_per_row: Some(384),
|
|
||||||
rows_per_image: Some(224),
|
|
||||||
};
|
|
||||||
self.queue.write_texture(texture, buffer, data_layout, size);
|
|
||||||
}
|
|
||||||
pub fn create_texture(device: &wgpu::Device, name: &str) -> Texture {
|
|
||||||
let desc = TextureDescriptor {
|
|
||||||
label: Some(name),
|
|
||||||
size: Extent3d {
|
|
||||||
width: 384,
|
|
||||||
height: 224,
|
|
||||||
depth_or_array_layers: 1,
|
|
||||||
},
|
|
||||||
mip_level_count: 1,
|
|
||||||
sample_count: 1,
|
|
||||||
dimension: wgpu::TextureDimension::D2,
|
|
||||||
format: TextureFormat::R8Unorm,
|
|
||||||
usage: TextureUsages::COPY_SRC
|
|
||||||
| TextureUsages::COPY_DST
|
|
||||||
| TextureUsages::TEXTURE_BINDING,
|
|
||||||
view_formats: &[TextureFormat::R8Unorm],
|
|
||||||
};
|
|
||||||
device.create_texture(&desc)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,159 +0,0 @@
|
||||||
use std::{ffi::c_void, ptr};
|
|
||||||
|
|
||||||
use anyhow::{anyhow, Result};
|
|
||||||
|
|
||||||
#[repr(C)]
|
|
||||||
struct VB {
|
|
||||||
_data: [u8; 0],
|
|
||||||
}
|
|
||||||
|
|
||||||
#[allow(non_camel_case_types)]
|
|
||||||
type c_int = i32;
|
|
||||||
type OnFrame = extern "C" fn(sim: *mut VB) -> c_int;
|
|
||||||
|
|
||||||
#[link(name = "vb")]
|
|
||||||
extern "C" {
|
|
||||||
#[link_name = "vbEmulate"]
|
|
||||||
fn vb_emulate(sim: *mut VB, cycles: *mut u32) -> c_int;
|
|
||||||
#[link_name = "vbGetCartROM"]
|
|
||||||
fn vb_get_cart_rom(sim: *mut VB, size: *mut u32) -> *mut c_void;
|
|
||||||
#[link_name = "vbGetPixels"]
|
|
||||||
fn vb_get_pixels(
|
|
||||||
sim: *mut VB,
|
|
||||||
left: *mut c_void,
|
|
||||||
left_stride_x: c_int,
|
|
||||||
left_stride_y: c_int,
|
|
||||||
right: *mut c_void,
|
|
||||||
right_stride_x: c_int,
|
|
||||||
right_stride_y: c_int,
|
|
||||||
);
|
|
||||||
#[link_name = "vbGetUserData"]
|
|
||||||
fn vb_get_user_data(sim: *mut VB) -> *mut c_void;
|
|
||||||
#[link_name = "vbInit"]
|
|
||||||
fn vb_init(sim: *mut VB) -> *mut VB;
|
|
||||||
#[link_name = "vbReset"]
|
|
||||||
fn vb_reset(sim: *mut VB);
|
|
||||||
#[link_name = "vbSetCartROM"]
|
|
||||||
fn vb_set_cart_rom(sim: *mut VB, rom: *mut c_void, size: u32) -> c_int;
|
|
||||||
#[link_name = "vbSetKeys"]
|
|
||||||
fn vb_set_keys(sim: *mut VB, keys: u16) -> u16;
|
|
||||||
#[link_name = "vbSetFrameCallback"]
|
|
||||||
fn vb_set_frame_callback(sim: *mut VB, on_frame: OnFrame);
|
|
||||||
#[link_name = "vbSetUserData"]
|
|
||||||
fn vb_set_user_data(sim: *mut VB, tag: *mut c_void);
|
|
||||||
#[link_name = "vbSizeOf"]
|
|
||||||
fn vb_size_of() -> usize;
|
|
||||||
}
|
|
||||||
|
|
||||||
extern "C" fn on_frame(sim: *mut VB) -> i32 {
|
|
||||||
// SAFETY: the *mut VB owns its userdata.
|
|
||||||
// There is no way for the userdata to be null or otherwise invalid.
|
|
||||||
let data: &mut VBState = unsafe { &mut *vb_get_user_data(sim).cast() };
|
|
||||||
data.frame_seen = true;
|
|
||||||
1
|
|
||||||
}
|
|
||||||
|
|
||||||
struct VBState {
|
|
||||||
frame_seen: bool,
|
|
||||||
}
|
|
||||||
|
|
||||||
pub struct CoreVB {
|
|
||||||
sim: *mut VB,
|
|
||||||
}
|
|
||||||
|
|
||||||
// SAFETY: the memory pointed to by sim is valid
|
|
||||||
unsafe impl Send for CoreVB {}
|
|
||||||
|
|
||||||
impl CoreVB {
|
|
||||||
pub fn new() -> Self {
|
|
||||||
// init the VB instance itself
|
|
||||||
let size = unsafe { vb_size_of() };
|
|
||||||
// allocate a vec of u64 so that this memory is 8-byte aligned
|
|
||||||
let memory = vec![0u64; size.div_ceil(4)];
|
|
||||||
let sim: *mut VB = Box::into_raw(memory.into_boxed_slice()).cast();
|
|
||||||
unsafe { vb_init(sim) };
|
|
||||||
unsafe { vb_reset(sim) };
|
|
||||||
|
|
||||||
// set up userdata
|
|
||||||
let state = VBState { frame_seen: false };
|
|
||||||
unsafe { vb_set_user_data(sim, Box::into_raw(Box::new(state)).cast()) };
|
|
||||||
unsafe { vb_set_frame_callback(sim, on_frame) };
|
|
||||||
|
|
||||||
CoreVB { sim }
|
|
||||||
}
|
|
||||||
|
|
||||||
pub fn load_rom(&mut self, rom: Vec<u8>) -> Result<()> {
|
|
||||||
self.unload_rom();
|
|
||||||
|
|
||||||
let size = rom.len() as u32;
|
|
||||||
let rom = Box::into_raw(rom.into_boxed_slice()).cast();
|
|
||||||
let status = unsafe { vb_set_cart_rom(self.sim, rom, size) };
|
|
||||||
if status == 0 {
|
|
||||||
Ok(())
|
|
||||||
} else {
|
|
||||||
let _: Vec<u8> =
|
|
||||||
unsafe { Vec::from_raw_parts(rom.cast(), size as usize, size as usize) };
|
|
||||||
Err(anyhow!("Invalid ROM size of {} bytes", size))
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn unload_rom(&mut self) -> Option<Vec<u8>> {
|
|
||||||
let mut size = 0;
|
|
||||||
let rom = unsafe { vb_get_cart_rom(self.sim, &mut size) };
|
|
||||||
if rom.is_null() {
|
|
||||||
return None;
|
|
||||||
}
|
|
||||||
unsafe { vb_set_cart_rom(self.sim, ptr::null_mut(), 0) };
|
|
||||||
let vec = unsafe { Vec::from_raw_parts(rom.cast(), size as usize, size as usize) };
|
|
||||||
Some(vec)
|
|
||||||
}
|
|
||||||
|
|
||||||
pub fn emulate_frame(&mut self) {
|
|
||||||
let mut cycles = 20_000_000;
|
|
||||||
unsafe { vb_emulate(self.sim, &mut cycles) };
|
|
||||||
}
|
|
||||||
|
|
||||||
pub fn read_pixels(&mut self, buffers: &mut [Vec<u8>; 2]) -> bool {
|
|
||||||
// SAFETY: the *mut VB owns its userdata.
|
|
||||||
// There is no way for the userdata to be null or otherwise invalid.
|
|
||||||
let data: &mut VBState = unsafe { &mut *vb_get_user_data(self.sim).cast() };
|
|
||||||
if !data.frame_seen {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
data.frame_seen = false;
|
|
||||||
|
|
||||||
assert_eq!(buffers[0].len(), 384 * 224);
|
|
||||||
assert_eq!(buffers[1].len(), 384 * 224);
|
|
||||||
unsafe {
|
|
||||||
vb_get_pixels(
|
|
||||||
self.sim,
|
|
||||||
buffers[0].as_mut_ptr().cast(),
|
|
||||||
1,
|
|
||||||
384,
|
|
||||||
buffers[1].as_mut_ptr().cast(),
|
|
||||||
1,
|
|
||||||
384,
|
|
||||||
);
|
|
||||||
};
|
|
||||||
true
|
|
||||||
}
|
|
||||||
|
|
||||||
pub fn set_keys(&mut self, keys: u16) {
|
|
||||||
unsafe { vb_set_keys(self.sim, keys) };
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl Drop for CoreVB {
|
|
||||||
fn drop(&mut self) {
|
|
||||||
// SAFETY: the *mut VB owns its userdata.
|
|
||||||
// There is no way for the userdata to be null or otherwise invalid.
|
|
||||||
let ptr: *mut VBState = unsafe { vb_get_user_data(self.sim).cast() };
|
|
||||||
// SAFETY: we made this pointer ourselves, we can for sure free it
|
|
||||||
unsafe { drop(Box::from_raw(ptr)) };
|
|
||||||
|
|
||||||
let len = unsafe { vb_size_of() }.div_ceil(4);
|
|
||||||
// SAFETY: the sim's memory originally came from a Vec<u64>
|
|
||||||
let bytes: Vec<u64> = unsafe { Vec::from_raw_parts(self.sim.cast(), len, len) };
|
|
||||||
drop(bytes);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
Loading…
Reference in New Issue