Wasm improvments
Former-commit-id: f51fc18327f6adb0011ff2aff2787d513fb6aa37
This commit is contained in:
Michel Heily
parent
0d8a5467e0
commit
90032373a8
2
Cargo.lock
generated
2
Cargo.lock
generated
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@ -1046,6 +1046,7 @@ dependencies = [
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"nom 5.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"num 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
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"ringbuf 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"rustyline 6.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
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"time 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -1060,7 +1061,6 @@ dependencies = [
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"env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"jni 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"ringbuf 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"rustboyadvance-core 0.1.0",
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]
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@ -13,7 +13,6 @@ crate-type = ["staticlib", "cdylib"]
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rustboyadvance-core = {path = "../../rustboyadvance-core/"}
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jni = { version = "0.16", default-features = false }
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log = {version = "0.4.8", features = ["release_max_level_info", "max_level_debug"]}
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ringbuf = "0.2.1"
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[target.'cfg(target_os="android")'.dependencies]
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android_log = "0.1.3"
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@ -20,24 +20,9 @@ use android_log;
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#[cfg(not(target_os = "android"))]
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use env_logger;
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use ringbuf::{Consumer, Producer, RingBuffer};
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use rustboyadvance_core::prelude::*;
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use rustboyadvance_core::StereoSample;
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struct AudioRingBuffer {
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pub prod: Producer<i16>,
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pub cons: Consumer<i16>,
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}
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impl AudioRingBuffer {
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fn new() -> AudioRingBuffer {
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let rb = RingBuffer::new(4096 * 2);
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let (prod, cons) = rb.split();
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AudioRingBuffer { prod, cons }
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}
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}
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use rustboyadvance_core::util::audio::AudioRingBuffer;
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struct Hardware {
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jvm: JavaVM,
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@ -45,6 +45,7 @@ features = [
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'WebGlProgram',
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'WebGlShader',
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'Window',
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'AudioContext',
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]
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@ -7,93 +7,120 @@
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<title>RustBoyAdvance</title>
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<style>
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body {
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background-color: #675ea7;
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font-family: "Courier New", Courier, monospace;
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background-color: #2c2946;
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font-family: Source Code, Roboto, Monospace;
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margin: 0;
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color: azure;
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}
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#logo {
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text-align: center;
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align-items: center;
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justify-content: center;
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}
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#menu {
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background-color: #423c6c;
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display: flexbox;
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box-shadow: 0.1px 2px 4px rgba(0, 0, 0, 0.7);
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top: 0.2em;
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left: 0.2em;
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padding: .1em;
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position: absolute;
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}
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#menu .fileInput {
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background-color: #675ea7;
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margin: .4em;
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}
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#menu button {
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background-color: #736ab1;
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box-shadow: 1px 1px 2px rgba(255, 18, 148, 0.2);
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font-size: .8em;
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border-radius: .15em;
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margin: .4em;
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}
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#canvas-container {
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box-shadow: 0.1px 2px 4px rgba(0, 0, 0, 0.7);
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display: inline-block;
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header {
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padding: 1em;
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padding-top: 6em;
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background-color: #13121d;
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background-image: url("icon.svg");
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background-repeat: no-repeat;
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background-position: center;
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background-size: 400px;
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display: flex;
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text-align: center;
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position:fixed;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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width: 70%;
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height: 70%;
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align-items: center;
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justify-content: center;
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background-color: #423c6c;
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box-shadow: 0.1px 2px 4px rgba(0, 0, 0, 0.7);
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}
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#canvas-container.hover {
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header h1 {
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color: azure;
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padding: .1em;
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font-size: medium;
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}
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#menu {
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padding: .1em;
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}
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#menu ul {
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list-style: none;
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}
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#menu li {
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margin: 0.2em;
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}
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#playarea {
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justify-content: center;
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margin: auto;
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display: flexbox;
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}
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#playarea.hover {
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border: rgba(9, 250, 0, 0.671);
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border-style: dashed;
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border-width: 0.1em;
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}
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#game-options {
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display: block;
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}
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#game-options > * {
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width: 100%;
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margin: 0.2em;
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}
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#screen {
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text-align: center;
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margin: auto;
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width: 70%;
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display: block;
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max-width: 960px;
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width: 80%;
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margin-left: auto;
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margin-right: auto;
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background-color: black;
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image-rendering: optimizeSpeed;
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image-rendering: -moz-crisp-edges;
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image-rendering: -webkit-crisp-edges;
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image-rendering: pixelated;
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image-rendering: crisp-edges;
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box-shadow: 0.1px 2px 4px rgba(0, 0, 0, 0.7);
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padding: 0.2em;
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}
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.hidden {
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display: none,
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#screen.hover {
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border: rgba(9, 250, 0, 0.671);
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border-style: dashed;
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border-width: 0.1em;
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}
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</style>
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</head>
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<body>
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<noscript>This page contains webassembly and javascript content, please enable javascript in your browser.</noscript>
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<div id="menu">
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<div class="fileInput">
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<label> BIOS </label>
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<input type="file" id="bios-file-input" />
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<header>
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<div id="logo">
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<h1>RustBoyAdvance</h1>
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</div>
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<button id="reloadBios" class="hidden">Reload Bios</button>
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<div class="fileInput">
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<label> ROM </label>
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<input type="file" id="rom-file-input" />
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</div>
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<button id="startEmulator">Start</button>
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<button id="fps-test">FPS Test</button>
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<label>Skip Bios</label>
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<input type="checkbox" id="skipBios">
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</div>
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<div id="canvas-container">
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<pre id="fps"></pre>
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</header>
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<section id="menu">
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<ul>
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<li class="fileInput">
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<label> BIOS </label>
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<input type="file" id="bios-file-input" />
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</li>
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<li><button id="reloadBios" class="hidden">Reload Bios</button></li>
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<li class="fileInput">
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<label> ROM </label>
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<input type="file" id="rom-file-input" />
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</li>
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<li><button id="startEmulator">Start</button></li>
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<li><button id="fps-test">FPS Test</button></li>
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<li>
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<label>Skip Bios</label>
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<input type="checkbox" id="skipBios">
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</li>
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<pre> You can also drag rom files directly into the screen </pre>
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</ul>
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</section>
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<section id="playarea">
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<pre> Built with WASM</pre>
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<canvas id="screen" width="240px" , height="160px"></canvas>
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<img id="logo" width="240px" src="icon.svg"></img>
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</div>
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<section id="game-options">
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<span id="fps">FPS</span>
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<label>
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<label>Max FPS</label>
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<input type="checkbox" id="maxFps">
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</label>
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</section>
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</section>
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<footer></footer>
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<script src="./bootstrap.js"></script>
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</body>
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@ -1,5 +1,6 @@
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import * as wasm from "rustboyadvance-wasm";
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var fps_text = document.getElementById('fps');
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var canvas = document.getElementById("screen");
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var ctx = canvas.getContext('2d');
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var intervalId = 0;
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@ -37,6 +38,68 @@ function ensureFilesLoaded() {
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return true;
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}
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const convertAudioBuffer = buffer => {
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let length = buffer.length;
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const floatArray = new Float32Array(length);
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for (let i = 0; i < length; i++) {
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floatArray[i] = (buffer[i] - 32767) / 32767;
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}
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return floatArray;
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}
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var fpsCounter = (function() {
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var lastLoop = (new Date).getMilliseconds();
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var count = 0;
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var fps = 0;
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return function() {
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var currentLoop = (new Date).getMilliseconds();
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if (lastLoop > currentLoop) {
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fps = count;
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count = 0;
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} else {
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count += 1;
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}
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lastLoop = currentLoop;
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return fps;
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}
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}());
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// Create our audio context
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const audioContext = new (window.AudioContext || window.webkitAudioContext)();
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console.log("audio context " + audioContext);
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const playAudio = emulator => {
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let audioData = emulator.collect_audio_samples();
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let frameCount = audioData.length / 2;
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const audioBuffer = audioContext.createBuffer(
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2,
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frameCount,
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audioContext.sampleRate
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);
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for (let channel = 0; channel < 2; channel++) {
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let nowBuffering = audioBuffer.getChannelData(channel);
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for (let i = 0; i < frameCount; i++) {
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// audio data frames are interleaved
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nowBuffering[i] = audioData[i*2 + channel];
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}
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}
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const audioSource = audioContext.createBufferSource();
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audioSource.buffer = audioBuffer;
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audioSource.connect(audioContext.destination);
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audioSource.start();
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}
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const emulatorLoop = function() {
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emulator.run_frame(ctx);
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fps_text.innerHTML = fpsCounter();
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playAudio(emulator);
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}
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function startEmulator() {
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if (!ensureFilesLoaded()) {
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return;
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@ -55,29 +118,7 @@ function startEmulator() {
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emulator.skip_bios();
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}
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var fpsCounter = (function() {
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var lastLoop = (new Date).getMilliseconds();
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var count = 0;
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var fps = 0;
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return function() {
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var currentLoop = (new Date).getMilliseconds();
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if (lastLoop > currentLoop) {
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fps = count;
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count = 0;
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} else {
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count += 1;
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}
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lastLoop = currentLoop;
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return fps;
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}
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}());
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let fps_text = document.getElementById('fps')
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intervalId = setInterval(function() {
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emulator.run_frame(ctx);
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fps_text.innerHTML = fpsCounter();
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}, 16);
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intervalId = setInterval(emulatorLoop, 16);
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}
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const biosCached = localStorage.getItem("biosCached");
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@ -129,7 +170,7 @@ function loadRom(romFile) {
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return promise;
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};
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let dropArea = document.getElementById('canvas-container');
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let dropArea = document.getElementById('screen');
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['dragenter', 'dragover', 'dragleave', 'drop'].forEach(eventName => {
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dropArea.addEventListener(eventName,
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@ -169,22 +210,26 @@ document.getElementById("startEmulator").addEventListener('click', e => {
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}
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}, false);
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['keydown', 'keyup'].forEach(eventName => {
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window.addEventListener(eventName,
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e => {
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// prevent default events
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e.preventDefault();
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e.stopPropagation();
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}, false)
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});
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document.getElementById("maxFps").addEventListener('change', e => {
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if (intervalId != 0) {
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let checked = e.target.checked;
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clearInterval(intervalId);
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if (checked) {
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intervalId = setInterval(emulatorLoop, 0);
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} else {
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intervalId = setInterval(emulatorLoop, 16);
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}
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window.addEventListener("keydown", e => {
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}
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})
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document.addEventListener("keydown", e => {
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if (null != emulator) {
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emulator.key_down(e.key)
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}
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}, false);
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window.addEventListener("keyup", e => {
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document.addEventListener("keyup", e => {
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if (null != emulator) {
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emulator.key_up(e.key)
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}
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@ -3,10 +3,15 @@ use std::rc::Rc;
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use wasm_bindgen::prelude::*;
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use wasm_bindgen::Clamped;
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use js_sys::Float32Array;
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use web_sys::CanvasRenderingContext2d;
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use web_sys::AudioContext;
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use rustboyadvance_core::core::keypad as gba_keypad;
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use rustboyadvance_core::prelude::*;
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use rustboyadvance_core::util::audio::AudioRingBuffer;
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use bit::BitIndex;
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@ -19,6 +24,29 @@ pub struct Emulator {
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struct Interface {
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frame: Vec<u8>,
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keyinput: u16,
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sample_rate: i32,
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audio_ctx: AudioContext,
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audio_ring_buffer: AudioRingBuffer,
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}
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impl Drop for Interface {
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fn drop(&mut self) {
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let _ = self.audio_ctx.clone();
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}
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}
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impl Interface {
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fn new(audio_ctx: AudioContext) -> Result<Interface, JsValue> {
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Ok(
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Interface {
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frame: vec![0; 240 * 160 * 4],
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keyinput: gba_keypad::KEYINPUT_ALL_RELEASED,
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sample_rate: audio_ctx.sample_rate() as i32,
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audio_ctx: audio_ctx,
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audio_ring_buffer: AudioRingBuffer::new(),
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}
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)
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}
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}
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impl VideoInterface for Interface {
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@ -34,7 +62,21 @@ impl VideoInterface for Interface {
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}
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}
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impl AudioInterface for Interface {}
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fn convert_sample(s: i16) -> f32 {
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((s as f32) / 32767_f32)
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}
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impl AudioInterface for Interface {
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fn get_sample_rate(&self) -> i32 {
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self.sample_rate
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}
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fn push_sample(&mut self, samples: StereoSample<i16>) {
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self.audio_ring_buffer.prod.push(samples.0).unwrap();
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self.audio_ring_buffer.prod.push(samples.1).unwrap();
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}
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}
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impl InputInterface for Interface {
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fn poll(&mut self) -> u16 {
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@ -45,18 +87,16 @@ impl InputInterface for Interface {
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#[wasm_bindgen]
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impl Emulator {
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#[wasm_bindgen(constructor)]
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pub fn new(bios: &[u8], rom: &[u8]) -> Emulator {
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pub fn new(bios: &[u8], rom: &[u8]) -> Result<Emulator, JsValue> {
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let audio_ctx = web_sys::AudioContext::new()?;
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let interface = Rc::new(RefCell::new(Interface::new(audio_ctx)?));
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let gamepak = GamepakBuilder::new()
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.take_buffer(rom.to_vec().into_boxed_slice())
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.without_backup_to_file()
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.build()
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.unwrap();
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let interface = Rc::new(RefCell::new(Interface {
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frame: vec![0; 240 * 160 * 4],
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keyinput: gba_keypad::KEYINPUT_ALL_RELEASED,
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}));
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let gba = GameBoyAdvance::new(
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bios.to_vec().into_boxed_slice(),
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gamepak,
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@ -65,7 +105,7 @@ impl Emulator {
|
|||
interface.clone(),
|
||||
);
|
||||
|
||||
Emulator { gba, interface }
|
||||
Ok( Emulator { gba, interface } )
|
||||
}
|
||||
|
||||
pub fn skip_bios(&mut self) {
|
||||
|
|
@ -129,4 +169,16 @@ impl Emulator {
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn collect_audio_samples(&self) -> Result<Float32Array, JsValue> {
|
||||
let mut interface = self.interface.borrow_mut();
|
||||
|
||||
let consumer = &mut interface.audio_ring_buffer.cons;
|
||||
let mut samples = Vec::with_capacity(consumer.len());
|
||||
while let Some(sample) = consumer.pop() {
|
||||
samples.push(convert_sample(sample));
|
||||
}
|
||||
|
||||
Ok(Float32Array::from(samples.as_slice()))
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -29,6 +29,7 @@ arrayvec = "0.5.1"
|
|||
rustyline = {version = "6.0.0", optional = true}
|
||||
nom = {version = "5.0.0", optional = true}
|
||||
gdbstub = { version = "0.1.2", optional = true, features = ["std"] }
|
||||
ringbuf = "0.2.1"
|
||||
|
||||
[target.'cfg(target_arch="wasm32")'.dependencies]
|
||||
instant = { version = "0.1.2", features = [ "wasm-bindgen" ] }
|
||||
|
|
|
|||
|
|
@ -65,5 +65,5 @@ pub mod prelude {
|
|||
#[cfg(feature = "debugger")]
|
||||
pub use super::debugger::Debugger;
|
||||
pub use super::util::{read_bin_file, write_bin_file};
|
||||
pub use super::{AudioInterface, InputInterface, VideoInterface};
|
||||
pub use super::{AudioInterface, StereoSample, InputInterface, VideoInterface};
|
||||
}
|
||||
|
|
|
|||
|
|
@ -127,3 +127,22 @@ macro_rules! host_breakpoint {
|
|||
}
|
||||
};
|
||||
}
|
||||
|
||||
|
||||
pub mod audio {
|
||||
use ringbuf::{Consumer, Producer, RingBuffer};
|
||||
|
||||
pub struct AudioRingBuffer {
|
||||
pub prod: Producer<i16>,
|
||||
pub cons: Consumer<i16>,
|
||||
}
|
||||
|
||||
impl AudioRingBuffer {
|
||||
pub fn new() -> AudioRingBuffer {
|
||||
let rb = RingBuffer::new(4096 * 2);
|
||||
let (prod, cons) = rb.split();
|
||||
|
||||
AudioRingBuffer { prod, cons }
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in a new issue