Add an Android port

2019-03-08 16:52:47 -08:00 · 2019-03-08 16:52:47 -08:00 · 9c404dfdc1
parent d5effc35ae
commit 9c404dfdc1
72 changed files with 1676 additions and 133 deletions
--- a/Cargo.lock
+++ b/Cargo.lock
@ -5,6 +5,14 @@ name = "adler32"
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@ -38,6 +46,11 @@ dependencies = [
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@ -53,6 +66,28 @@ name = "autocfg"
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@ -77,6 +112,11 @@ name = "cc"
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@ -109,6 +149,18 @@ name = "color_quant"
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@ -162,13 +214,25 @@ name = "demo"
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@ -186,6 +250,14 @@ dependencies = [
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@ -350,6 +422,24 @@ dependencies = [
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@ -359,6 +449,23 @@ dependencies = [
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@ -369,6 +476,11 @@ name = "lazy_static"
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@ -415,6 +527,14 @@ name = "lzw"
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@ -506,6 +626,19 @@ dependencies = [
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@ -514,7 +647,6 @@ dependencies = [
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@ -548,6 +680,7 @@ dependencies = [
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@ -837,6 +970,18 @@ dependencies = [
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@ -865,6 +1015,25 @@ dependencies = [
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 "checksum khronos_api 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "037ab472c33f67b5fbd3e9163a2645319e5356fcd355efa6d4eb7fff4bbcb554"
 "checksum lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a374c89b9db55895453a74c1e38861d9deec0b01b405a82516e9d5de4820dea1"
 "checksum libc 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "e32a70cf75e5846d53a673923498228bbec6a8624708a9ea5645f075d6276122"
 "checksum libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)" = "e962c7641008ac010fa60a7dfdc1712449f29c44ef2d4702394aea943ee75047"
 "checksum libflate 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)" = "54d1ddf9c52870243c5689d7638d888331c1116aa5b398f3ba1acfa7d8758ca1"
 "checksum log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
 "checksum log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c84ec4b527950aa83a329754b01dbe3f58361d1c5efacd1f6d68c494d08a17c6"
 "checksum lyon_geom 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2b60eaa9061c87affcd671e88289ce6971324269ec6548b677e02624ef3ef63c"
 "checksum lzw 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7d947cbb889ed21c2a84be6ffbaebf5b4e0f4340638cba0444907e38b56be084"
 "checksum memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d8b629fb514376c675b98c1421e80b151d3817ac42d7c667717d282761418d20"
 "checksum memchr 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2efc7bc57c883d4a4d6e3246905283d8dae951bb3bd32f49d6ef297f546e1c39"
 "checksum memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0f9dc261e2b62d7a622bf416ea3c5245cdd5d9a7fcc428c0d06804dfce1775b3"
 "checksum nfd 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8e752e3c216bc8a491c5b59fa46da10f1379ae450b19ac688e07f4bb55042e98"
@ -1213,12 +1459,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
 "checksum redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)" = "423e376fffca3dfa06c9e9790a9ccd282fafb3cc6e6397d01dbf64f9bacc6b85"
 "checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
 "checksum regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)" = "4fd4ace6a8cf7860714a2c2280d6c1f7e6a413486c13298bbc86fd3da019402f"
 "checksum regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "37e7cbbd370869ce2e8dff25c7018702d10b21a20ef7135316f8daecd6c25b7f"
 "checksum regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "f9ec002c35e86791825ed294b50008eea9ddfc8def4420124fbc6b08db834957"
 "checksum regex-syntax 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "8c2f35eedad5295fdf00a63d7d4b238135723f92b434ec06774dad15c7ab0861"
 "checksum roxmltree 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "02660467d0c2da1b6276042501aee6e15ec5b8ff59423243f185b294cd53acf3"
 "checksum rustache 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c86de9443c1a5618e0d51bbd8eb6227ead9916446eb8952575a70d1ef7e00209"
 "checksum rustc-demangle 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "adacaae16d02b6ec37fdc7acfcddf365978de76d1983d3ee22afc260e1ca9619"
 "checksum rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)" = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
 "checksum ryu 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "eb9e9b8cde282a9fe6a42dd4681319bfb63f121b8a8ee9439c6f4107e58a46f7"
 "checksum safe-transmute 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9604873ffe1980bc1f179103704a65c8aca141c248d9e52b7af95ff10578166e"
 "checksum safemem 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8dca453248a96cb0749e36ccdfe2b0b4e54a61bfef89fb97ec621eb8e0a93dd9"
 "checksum same-file 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8f20c4be53a8a1ff4c1f1b2bd14570d2f634628709752f0702ecdd2b3f9a5267"
 "checksum scoped_threadpool 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "1d51f5df5af43ab3f1360b429fa5e0152ac5ce8c0bd6485cae490332e96846a8"
 "checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
 "checksum sdl2 0.32.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0ebf85f207d42e4da59fa31fff977be5ff0b224873506c4bd70cc1c94b331593"
@ -1237,15 +1489,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum termcolor 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "4096add70612622289f2fdcdbd5086dc81c1e2675e6ae58d6c4f62a16c6d7f2f"
 "checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
 "checksum textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "307686869c93e71f94da64286f9a9524c0f308a9e1c87a583de8e9c9039ad3f6"
 "checksum thread-id 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a9539db560102d1cef46b8b78ce737ff0bb64e7e18d35b2a5688f7d097d0ff03"
 "checksum thread_local 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "8576dbbfcaef9641452d5cf0df9b0e7eeab7694956dd33bb61515fb8f18cfdd5"
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
 "checksum ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "535c204ee4d8434478593480b8f86ab45ec9aae0e83c568ca81abf0fd0e88f86"
 "checksum unicode-segmentation 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "aa6024fc12ddfd1c6dbc14a80fa2324d4568849869b779f6bd37e5e4c03344d1"
 "checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"
 "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
 "checksum unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
 "checksum usvg 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f9ebf4d5244ba2e8305caf9de7949377794ecdea5a9e3c84fc5610d78d21f5ee"
 "checksum utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a1ca13c08c41c9c3e04224ed9ff80461d97e121589ff27c753a16cb10830ae0f"
 "checksum utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "796f7e48bef87609f7ade7e06495a87d5cd06c7866e6a5cbfceffc558a243737"
 "checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
 "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
 "checksum walkdir 2.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "9d9d7ed3431229a144296213105a390676cc49c9b6a72bd19f3176c98e129fa1"
 "checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
 "checksum winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"
 "checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
 "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 "checksum winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7168bab6e1daee33b4557efd0e95d5ca70a03706d39fa5f3fe7a236f584b03c9"
 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
--- a/Cargo.toml
+++ b/Cargo.toml
@ -1,5 +1,6 @@
 [workspace]
 members = [
    "demo/android/rust",
    "demo/common",
    "demo/native",
    "geometry",
--- a/demo/android/.gitignore
+++ b/demo/android/.gitignore
@ -0,0 +1,10 @@
 *.iml
 .gradle
 /local.properties
 /.idea/libraries
 /.idea/modules.xml
 /.idea/workspace.xml
 .DS_Store
 /build
 /captures
 .externalNativeBuild
--- a/demo/android/app/.gitignore
+++ b/demo/android/app/.gitignore
@ -0,0 +1 @@
 /build
--- a/demo/android/app/build.gradle
+++ b/demo/android/app/build.gradle
@ -0,0 +1,31 @@
 apply plugin: 'com.android.application'
 android {
    compileSdkVersion 27
    defaultConfig {
        applicationId "graphics.pathfinder.pathfinderdemo"
        minSdkVersion 21
        targetSdkVersion 27
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
        ndk {
            abiFilters "arm64-v8a"
        }
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
 }
 dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:27.1.1'
    implementation 'com.android.support:support-v4:27.1.1'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
 }
--- a/demo/android/app/proguard-rules.pro
+++ b/demo/android/app/proguard-rules.pro
@ -0,0 +1,21 @@
 # Add project specific ProGuard rules here.
 # You can control the set of applied configuration files using the
 # proguardFiles setting in build.gradle.
 #
 # For more details, see
 #   http://developer.android.com/guide/developing/tools/proguard.html
 # If your project uses WebView with JS, uncomment the following
 # and specify the fully qualified class name to the JavaScript interface
 # class:
 #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
 #   public *;
 #}
 # Uncomment this to preserve the line number information for
 # debugging stack traces.
 #-keepattributes SourceFile,LineNumberTable
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
--- a/demo/android/app/src/androidTest/java/graphics/pathfinder/pathfinderdemo/ExampleInstrumentedTest.java
+++ b/demo/android/app/src/androidTest/java/graphics/pathfinder/pathfinderdemo/ExampleInstrumentedTest.java
@ -0,0 +1,26 @@
 package graphics.pathfinder.pathfinderdemo;
 import android.content.Context;
 import android.support.test.InstrumentationRegistry;
 import android.support.test.runner.AndroidJUnit4;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import static org.junit.Assert.*;
 /**
 * Instrumented test, which will execute on an Android device.
 *
 * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
 */
@RunWith(AndroidJUnit4.class)
 public class ExampleInstrumentedTest {
    @Test
    public void useAppContext() {
        // Context of the app under test.
        Context appContext = InstrumentationRegistry.getTargetContext();
        assertEquals("graphics.pathfinder.pathfinderdemo", appContext.getPackageName());
    }
 }
--- a/demo/android/app/src/main/AndroidManifest.xml
+++ b/demo/android/app/src/main/AndroidManifest.xml
@ -0,0 +1,27 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="graphics.pathfinder.pathfinderdemo">
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity
            android:name=".PathfinderActivity"
            android:configChanges="orientation|keyboardHidden|screenSize"
            android:label="@string/app_name"
            android:theme="@style/FullscreenTheme">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
 </manifest>
--- a/demo/android/app/src/main/java/graphics/pathfinder/pathfinderdemo/PathfinderActivity.java
+++ b/demo/android/app/src/main/java/graphics/pathfinder/pathfinderdemo/PathfinderActivity.java
@ -0,0 +1,185 @@
 package graphics.pathfinder.pathfinderdemo;
 import android.Manifest;
 import android.annotation.SuppressLint;
 import android.content.pm.PackageManager;
 import android.support.annotation.NonNull;
 import android.support.v4.app.ActivityCompat;
 import android.support.v4.content.ContextCompat;
 import android.support.v7.app.ActionBar;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.os.Handler;
 import android.view.MotionEvent;
 import android.view.View;
 /**
 * An example full-screen activity that shows and hides the system UI (i.e.
 * status bar and navigation/system bar) with user interaction.
 */
 public class PathfinderActivity extends AppCompatActivity {
    /**
     * Whether or not the system UI should be auto-hidden after
     * {@link #AUTO_HIDE_DELAY_MILLIS} milliseconds.
     */
    private static final boolean AUTO_HIDE = true;
    /**
     * If {@link #AUTO_HIDE} is set, the number of milliseconds to wait after
     * user interaction before hiding the system UI.
     */
    private static final int AUTO_HIDE_DELAY_MILLIS = 3000;
    /**
     * Some older devices needs a small delay between UI widget updates
     * and a change of the status and navigation bar.
     */
    private static final int UI_ANIMATION_DELAY = 300;
    private final Handler mHideHandler = new Handler();
    private PathfinderDemoSurfaceView mContentView;
    private final Runnable mHidePart2Runnable = new Runnable() {
        @SuppressLint("InlinedApi")
        @Override
        public void run() {
            // Delayed removal of status and navigation bar
            // Note that some of these constants are new as of API 16 (Jelly Bean)
            // and API 19 (KitKat). It is safe to use them, as they are inlined
            // at compile-time and do nothing on earlier devices.
            mContentView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE
                    | View.SYSTEM_UI_FLAG_FULLSCREEN
                    | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
        }
    };
    private View mControlsView;
    private final Runnable mShowPart2Runnable = new Runnable() {
        @Override
        public void run() {
            // Delayed display of UI elements
            ActionBar actionBar = getSupportActionBar();
            if (actionBar != null) {
                actionBar.show();
            }
            mControlsView.setVisibility(View.VISIBLE);
        }
    };
    private boolean mVisible;
    private final Runnable mHideRunnable = new Runnable() {
        @Override
        public void run() {
            hide();
        }
    };
    /**
     * Touch listener to use for in-layout UI controls to delay hiding the
     * system UI. This is to prevent the jarring behavior of controls going away
     * while interacting with activity UI.
     */
    private final View.OnTouchListener mDelayHideTouchListener = new View.OnTouchListener() {
        @Override
        public boolean onTouch(View view, MotionEvent motionEvent) {
            if (AUTO_HIDE) {
                delayedHide(AUTO_HIDE_DELAY_MILLIS);
            }
            return false;
        }
    };
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (ContextCompat.checkSelfPermission(this,
                Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
            String[] perms = new String[1];
            perms[0] = Manifest.permission.READ_EXTERNAL_STORAGE;
            ActivityCompat.requestPermissions(this, perms,
                    1);
        } else {
            init();
        }
    }
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        if (permissions[0] == Manifest.permission.READ_EXTERNAL_STORAGE)
            init();
    }
    private void init() {
        setContentView(R.layout.activity_pathfinder);
        mVisible = true;
        mControlsView = findViewById(R.id.fullscreen_content_controls);
        mContentView = findViewById(R.id.fullscreen_content);
        // Set up the user interaction to manually show or hide the system UI.
        mContentView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                toggle();
            }
        });
        mContentView.setEGLContextClientVersion(3);
        mContentView.setRenderer(new PathfinderDemoRenderer(getAssets()));
    }
    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
        // Trigger the initial hide() shortly after the activity has been
        // created, to briefly hint to the user that UI controls
        // are available.
        delayedHide(100);
    }
    private void toggle() {
        if (mVisible) {
            hide();
        } else {
            show();
        }
    }
    private void hide() {
        // Hide UI first
        ActionBar actionBar = getSupportActionBar();
        if (actionBar != null) {
            actionBar.hide();
        }
        mControlsView.setVisibility(View.GONE);
        mVisible = false;
        // Schedule a runnable to remove the status and navigation bar after a delay
        mHideHandler.removeCallbacks(mShowPart2Runnable);
        mHideHandler.postDelayed(mHidePart2Runnable, UI_ANIMATION_DELAY);
    }
    @SuppressLint("InlinedApi")
    private void show() {
        // Show the system bar
        mContentView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
        mVisible = true;
        // Schedule a runnable to display UI elements after a delay
        mHideHandler.removeCallbacks(mHidePart2Runnable);
        mHideHandler.postDelayed(mShowPart2Runnable, UI_ANIMATION_DELAY);
    }
    /**
     * Schedules a call to hide() in delay milliseconds, canceling any
     * previously scheduled calls.
     */
    private void delayedHide(int delayMillis) {
        mHideHandler.removeCallbacks(mHideRunnable);
        mHideHandler.postDelayed(mHideRunnable, delayMillis);
    }
 }
--- a/demo/android/app/src/main/java/graphics/pathfinder/pathfinderdemo/PathfinderDemoRenderer.java
+++ b/demo/android/app/src/main/java/graphics/pathfinder/pathfinderdemo/PathfinderDemoRenderer.java
@ -0,0 +1,40 @@
 package graphics.pathfinder.pathfinderdemo;
 import android.content.res.AssetManager;
 import android.opengl.GLSurfaceView;
 import javax.microedition.khronos.egl.EGLConfig;
 import javax.microedition.khronos.opengles.GL10;
 public class PathfinderDemoRenderer extends Object implements GLSurfaceView.Renderer {
    private AssetManager m_assetManager;
    private static native void init(PathfinderDemoResourceLoader resourceLoader);
    private static native void runOnce();
    static {
        System.loadLibrary("pathfinder_android_demo");
    }
    protected PathfinderDemoRenderer() {}
    PathfinderDemoRenderer(AssetManager assetManager) {
        super();
        m_assetManager = assetManager;
    }
    @Override
    public void onSurfaceCreated(GL10 gl, EGLConfig config) {
        init(new PathfinderDemoResourceLoader(m_assetManager));
    }
    @Override
    public void onSurfaceChanged(GL10 gl, int width, int height) {
    }
    @Override
    public void onDrawFrame(GL10 gl) {
        runOnce();
    }
 }
--- a/demo/android/app/src/main/java/graphics/pathfinder/pathfinderdemo/PathfinderDemoSurfaceView.java
+++ b/demo/android/app/src/main/java/graphics/pathfinder/pathfinderdemo/PathfinderDemoSurfaceView.java
@ -0,0 +1,15 @@
 package graphics.pathfinder.pathfinderdemo;
 import android.content.Context;
 import android.opengl.GLSurfaceView;
 import android.util.AttributeSet;
 public class PathfinderDemoSurfaceView extends GLSurfaceView {
    public PathfinderDemoSurfaceView(Context context) {
        super(context);
    }
    public PathfinderDemoSurfaceView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }
 }
--- a/demo/android/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
+++ b/demo/android/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@ -0,0 +1,34 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:aapt="http://schemas.android.com/aapt"
    android:width="108dp"
    android:height="108dp"
    android:viewportHeight="108"
    android:viewportWidth="108">
    <path
        android:fillType="evenOdd"
        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
        android:strokeColor="#00000000"
        android:strokeWidth="1">
        <aapt:attr name="android:fillColor">
            <gradient
                android:endX="78.5885"
                android:endY="90.9159"
                android:startX="48.7653"
                android:startY="61.0927"
                android:type="linear">
                <item
                    android:color="#44000000"
                    android:offset="0.0" />
                <item
                    android:color="#00000000"
                    android:offset="1.0" />
            </gradient>
        </aapt:attr>
    </path>
    <path
        android:fillColor="#FFFFFF"
        android:fillType="nonZero"
        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
        android:strokeColor="#00000000"
        android:strokeWidth="1" />
 </vector>
--- a/demo/android/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/demo/android/app/src/main/res/drawable/ic_launcher_background.xml
@ -0,0 +1,170 @@
 <?xml version="1.0" encoding="utf-8"?>
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="108dp"
    android:height="108dp"
    android:viewportHeight="108"
    android:viewportWidth="108">
    <path
        android:fillColor="#26A69A"
        android:pathData="M0,0h108v108h-108z" />
    <path
        android:fillColor="#00000000"
        android:pathData="M9,0L9,108"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M19,0L19,108"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M29,0L29,108"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M39,0L39,108"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M49,0L49,108"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M59,0L59,108"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M69,0L69,108"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M79,0L79,108"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M89,0L89,108"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M99,0L99,108"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M0,9L108,9"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M0,19L108,19"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M0,29L108,29"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M0,39L108,39"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M0,49L108,49"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M0,59L108,59"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M0,69L108,69"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M0,79L108,79"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M0,89L108,89"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M0,99L108,99"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M19,29L89,29"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M19,39L89,39"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M19,49L89,49"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M19,59L89,59"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M19,69L89,69"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M19,79L89,79"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M29,19L29,89"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M39,19L39,89"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M49,19L49,89"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M59,19L59,89"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M69,19L69,89"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
    <path
        android:fillColor="#00000000"
        android:pathData="M79,19L79,89"
        android:strokeColor="#33FFFFFF"
        android:strokeWidth="0.8" />
 </vector>
--- a/demo/android/app/src/main/res/layout/activity_pathfinder.xml
+++ b/demo/android/app/src/main/res/layout/activity_pathfinder.xml
@ -0,0 +1,38 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#0099cc"
    tools:context=".PathfinderActivity">
    <!-- The primary full-screen view. This can be replaced with whatever view
         is needed to present your content, e.g. VideoView, SurfaceView,
         TextureView, etc. -->
    <graphics.pathfinder.pathfinderdemo.PathfinderDemoSurfaceView
        android:id="@+id/fullscreen_content"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:keepScreenOn="true" />
    <!-- This FrameLayout insets its children based on system windows using
         android:fitsSystemWindows. -->
    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:fitsSystemWindows="true">
        <LinearLayout
            android:id="@+id/fullscreen_content_controls"
            style="?metaButtonBarStyle"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom|center_horizontal"
            android:background="@color/black_overlay"
            android:orientation="horizontal"
            tools:ignore="UselessParent">
        </LinearLayout>
    </FrameLayout>
 </FrameLayout>
--- a/demo/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/demo/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@ -0,0 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
    <background android:drawable="@drawable/ic_launcher_background" />
    <foreground android:drawable="@drawable/ic_launcher_foreground" />
 </adaptive-icon>
--- a/demo/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/demo/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@ -0,0 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
    <background android:drawable="@drawable/ic_launcher_background" />
    <foreground android:drawable="@drawable/ic_launcher_foreground" />
 </adaptive-icon>
--- a/demo/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
+++ b/demo/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
--- a/demo/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
+++ b/demo/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
--- a/demo/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
+++ b/demo/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
--- a/demo/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
+++ b/demo/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
--- a/demo/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
+++ b/demo/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
--- a/demo/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
+++ b/demo/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
--- a/demo/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
+++ b/demo/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
--- a/demo/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
+++ b/demo/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
--- a/demo/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
+++ b/demo/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
--- a/demo/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
+++ b/demo/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
--- a/demo/android/app/src/main/res/values/attrs.xml
+++ b/demo/android/app/src/main/res/values/attrs.xml
@ -0,0 +1,12 @@
 <resources>
    <!-- Declare custom theme attributes that allow changing which styles are
         used for button bars depending on the API level.
         ?android:attr/buttonBarStyle is new as of API 11 so this is
         necessary to support previous API levels. -->
    <declare-styleable name="ButtonBarContainerTheme">
        <attr name="metaButtonBarStyle" format="reference" />
        <attr name="metaButtonBarButtonStyle" format="reference" />
    </declare-styleable>
 </resources>
--- a/demo/android/app/src/main/res/values/colors.xml
+++ b/demo/android/app/src/main/res/values/colors.xml
@ -0,0 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
    <color name="colorPrimary">#3F51B5</color>
    <color name="colorPrimaryDark">#303F9F</color>
    <color name="colorAccent">#FF4081</color>
    <color name="black_overlay">#66000000</color>
 </resources>
--- a/demo/android/app/src/main/res/values/strings.xml
+++ b/demo/android/app/src/main/res/values/strings.xml
@ -0,0 +1,6 @@
 <resources>
    <string name="app_name">Pathfinder Demo</string>
    <string name="dummy_button">Dummy Button</string>
    <string name="dummy_content">DUMMY\nCONTENT</string>
 </resources>
--- a/demo/android/app/src/main/res/values/styles.xml
+++ b/demo/android/app/src/main/res/values/styles.xml
@ -0,0 +1,23 @@
 <resources>
    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
    </style>
    <style name="FullscreenTheme" parent="AppTheme">
        <item name="android:actionBarStyle">@style/FullscreenActionBarStyle</item>
        <item name="android:windowActionBarOverlay">true</item>
        <item name="android:windowBackground">@null</item>
        <item name="metaButtonBarStyle">?android:attr/buttonBarStyle</item>
        <item name="metaButtonBarButtonStyle">?android:attr/buttonBarButtonStyle</item>
    </style>
    <style name="FullscreenActionBarStyle" parent="Widget.AppCompat.ActionBar">
        <item name="android:background">@color/black_overlay</item>
    </style>
 </resources>
--- a/demo/android/app/src/test/java/graphics/pathfinder/pathfinderdemo/ExampleUnitTest.java
+++ b/demo/android/app/src/test/java/graphics/pathfinder/pathfinderdemo/ExampleUnitTest.java
@ -0,0 +1,17 @@
 package graphics.pathfinder.pathfinderdemo;
 import org.junit.Test;
 import static org.junit.Assert.*;
 /**
 * Example local unit test, which will execute on the development machine (host).
 *
 * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
 */
 public class ExampleUnitTest {
    @Test
    public void addition_isCorrect() {
        assertEquals(4, 2 + 2);
    }
 }
--- a/demo/android/build.gradle
+++ b/demo/android/build.gradle
@ -0,0 +1,27 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.1.2'
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
 }
 allprojects {
    repositories {
        google()
        jcenter()
    }
 }
 task clean(type: Delete) {
    delete rootProject.buildDir
 }
--- a/demo/android/gradle.properties
+++ b/demo/android/gradle.properties
@ -0,0 +1,14 @@
 # Project-wide Gradle settings.
 # IDE (e.g. Android Studio) users:
 # Gradle settings configured through the IDE *will override*
 # any settings specified in this file.
 # For more details on how to configure your build environment visit
 # http://www.gradle.org/docs/current/userguide/build_environment.html
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
 org.gradle.jvmargs=-Xmx1536m
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
 android.useDeprecatedNdk=true
--- a/demo/android/gradle/wrapper/gradle-wrapper.jar
+++ b/demo/android/gradle/wrapper/gradle-wrapper.jar
--- a/demo/android/gradle/wrapper/gradle-wrapper.properties
+++ b/demo/android/gradle/wrapper/gradle-wrapper.properties
@ -0,0 +1,6 @@
 #Fri Mar 08 12:48:37 PST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
 distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
--- a/demo/android/gradlew
+++ b/demo/android/gradlew
@ -0,0 +1,172 @@
 #!/usr/bin/env sh
 ##############################################################################
 ##
 ##  Gradle start up script for UN*X
 ##
 ##############################################################################
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
 # Need this for relative symlinks.
 while [ -h "$PRG" ] ; do
    ls=`ls -ld "$PRG"`
    link=`expr "$ls" : '.*-> \(.*\)$'`
    if expr "$link" : '/.*' > /dev/null; then
        PRG="$link"
    else
        PRG=`dirname "$PRG"`"/$link"
    fi
 done
 SAVED="`pwd`"
 cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
 cd "$SAVED" >/dev/null
 APP_NAME="Gradle"
 APP_BASE_NAME=`basename "$0"`
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS=""
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD="maximum"
 warn () {
    echo "$*"
 }
 die () {
    echo
    echo "$*"
    echo
    exit 1
 }
 # OS specific support (must be 'true' or 'false').
 cygwin=false
 msys=false
 darwin=false
 nonstop=false
 case "`uname`" in
  CYGWIN* )
    cygwin=true
    ;;
  Darwin* )
    darwin=true
    ;;
  MINGW* )
    msys=true
    ;;
  NONSTOP* )
    nonstop=true
    ;;
 esac
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then
    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
        # IBM's JDK on AIX uses strange locations for the executables
        JAVACMD="$JAVA_HOME/jre/sh/java"
    else
        JAVACMD="$JAVA_HOME/bin/java"
    fi
    if [ ! -x "$JAVACMD" ] ; then
        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
    fi
 else
    JAVACMD="java"
    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
 fi
 # Increase the maximum file descriptors if we can.
 if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
    MAX_FD_LIMIT=`ulimit -H -n`
    if [ $? -eq 0 ] ; then
        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
            MAX_FD="$MAX_FD_LIMIT"
        fi
        ulimit -n $MAX_FD
        if [ $? -ne 0 ] ; then
            warn "Could not set maximum file descriptor limit: $MAX_FD"
        fi
    else
        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
    fi
 fi
 # For Darwin, add options to specify how the application appears in the dock
 if $darwin; then
    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
 fi
 # For Cygwin, switch paths to Windows format before running java
 if $cygwin ; then
    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
    JAVACMD=`cygpath --unix "$JAVACMD"`
    # We build the pattern for arguments to be converted via cygpath
    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
    SEP=""
    for dir in $ROOTDIRSRAW ; do
        ROOTDIRS="$ROOTDIRS$SEP$dir"
        SEP="|"
    done
    OURCYGPATTERN="(^($ROOTDIRS))"
    # Add a user-defined pattern to the cygpath arguments
    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
    fi
    # Now convert the arguments - kludge to limit ourselves to /bin/sh
    i=0
    for arg in "$@" ; do
        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
        else
            eval `echo args$i`="\"$arg\""
        fi
        i=$((i+1))
    done
    case $i in
        (0) set -- ;;
        (1) set -- "$args0" ;;
        (2) set -- "$args0" "$args1" ;;
        (3) set -- "$args0" "$args1" "$args2" ;;
        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
    esac
 fi
 # Escape application args
 save () {
    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
    echo " "
 }
 APP_ARGS=$(save "$@")
 # Collect all arguments for the java command, following the shell quoting and substitution rules
 eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
 # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
 if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
  cd "$(dirname "$0")"
 fi
 exec "$JAVACMD" "$@"
--- a/demo/android/gradlew.bat
+++ b/demo/android/gradlew.bat
@ -0,0 +1,84 @@
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem  Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
 if "%OS%"=="Windows_NT" setlocal
 set DIRNAME=%~dp0
 if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 set DEFAULT_JVM_OPTS=
@rem Find java.exe
 if defined JAVA_HOME goto findJavaFromJavaHome
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
 if "%ERRORLEVEL%" == "0" goto init
 echo.
 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 echo.
 echo Please set the JAVA_HOME variable in your environment to match the
 echo location of your Java installation.
 goto fail
 :findJavaFromJavaHome
 set JAVA_HOME=%JAVA_HOME:"=%
 set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 if exist "%JAVA_EXE%" goto init
 echo.
 echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
 echo.
 echo Please set the JAVA_HOME variable in your environment to match the
 echo location of your Java installation.
 goto fail
 :init
@rem Get command-line arguments, handling Windows variants
 if not "%OS%" == "Windows_NT" goto win9xME_args
 :win9xME_args
@rem Slurp the command line arguments.
 set CMD_LINE_ARGS=
 set _SKIP=2
 :win9xME_args_slurp
 if "x%~1" == "x" goto execute
 set CMD_LINE_ARGS=%*
 :execute
@rem Setup the command line
 set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
 "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
 :end
@rem End local scope for the variables with windows NT shell
 if "%ERRORLEVEL%"=="0" goto mainEnd
 :fail
 rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
 rem the _cmd.exe /c_ return code!
 if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
 exit /b 1
 :mainEnd
 if "%OS%"=="Windows_NT" endlocal
 :omega
--- a/demo/android/rust/Cargo.toml
+++ b/demo/android/rust/Cargo.toml
@ -0,0 +1,25 @@
 [package]
 name = "pathfinder_android_demo"
 version = "0.1.0"
 authors = ["Patrick Walton <pcwalton@mimiga.net>"]
 edition = "2018"
 [lib]
 crate_type = ["cdylib"]
 [dependencies]
 egl = "0.2"
 gl = "0.6"
 jni = "0.11"
 [dependencies.pathfinder_demo]
 path = "../../common"
 [dependencies.pathfinder_geometry]
 path = "../../../geometry"
 [dependencies.pathfinder_gl]
 path = "../../../gl"
 [dependencies.pathfinder_gpu]
 path = "../../../gpu"
--- a/demo/android/rust/src/lib.rs
+++ b/demo/android/rust/src/lib.rs
@ -0,0 +1,143 @@
 // pathfinder/demo/android/rust/src/main.rs
 //
 // Copyright © 2019 The Pathfinder Project Developers.
 //
 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 use jni::{JNIEnv, JavaVM};
 use jni::objects::{GlobalRef, JByteBuffer, JClass, JObject, JValue};
 use pathfinder_demo::DemoApp;
 use pathfinder_demo::window::{Event, Keycode, Window};
 use pathfinder_geometry::basic::point::Point2DI32;
 use pathfinder_gl::GLVersion;
 use pathfinder_gpu::resources::ResourceLoader;
 use std::cell::RefCell;
 use std::io::Error as IOError;
 use std::os::raw::c_void;
 use std::path::PathBuf;
 thread_local! {
    static DEMO_APP: RefCell<Option<DemoApp<WindowImpl>>> = RefCell::new(None);
    static JAVA_RESOURCE_LOADER: RefCell<Option<JavaResourceLoader>> = RefCell::new(None);
 }
 static RESOURCE_LOADER: AndroidResourceLoader = AndroidResourceLoader;
 #[no_mangle]
 pub unsafe extern "system" fn
        Java_graphics_pathfinder_pathfinderdemo_PathfinderDemoRenderer_init(env: JNIEnv,
                                                                            class: JClass,
                                                                            loader: JObject) {
    JAVA_RESOURCE_LOADER.with(|java_resource_loader| {
        *java_resource_loader.borrow_mut() = Some(JavaResourceLoader::new(env, loader))
    });
    DEMO_APP.with(|demo_app| *demo_app.borrow_mut() = Some(DemoApp::<WindowImpl>::new()));
 }
 #[no_mangle]
 pub unsafe extern "system" fn
        Java_graphics_pathfinder_pathfinderdemo_PathfinderDemoRenderer_runOnce(env: JNIEnv,
                                                                               class: JClass) {
    DEMO_APP.with(|demo_app| {
        if let Some(ref mut demo_app) = *demo_app.borrow_mut() {
            demo_app.run_once(vec![]);
        }
    });
 }
 #[no_mangle]
 pub unsafe extern "system" fn
        Java_graphics_pathfinder_pathfinderdemo_PathfinderDemoRenderer_pushMouseDown(env: JNIEnv,
                                                                                     class: JClass,
                                                                                     x: i32,
                                                                                     y: i32) {
 }
 struct WindowImpl;
 impl Window for WindowImpl {
    fn new(default_framebuffer_size: Point2DI32) -> WindowImpl {
        gl::load_with(|name| egl::get_proc_address(name) as *const c_void);
        WindowImpl
    }
    fn gl_version(&self) -> GLVersion {
        GLVersion::GLES3
    }
    fn size(&self) -> Point2DI32 {
        Point2DI32::new(1080, 1920)
    }
    fn drawable_size(&self) -> Point2DI32 {
        Point2DI32::new(1080, 1920)
    }
    fn mouse_position(&self) -> Point2DI32 {
        Point2DI32::new(0, 0)
    }
    fn present(&self) {}
    fn resource_loader(&self) -> &dyn ResourceLoader {
        &RESOURCE_LOADER
    }
    fn create_user_event_id(&self) -> u32 {
        0
    }
    fn push_user_event(message_type: u32, message_data: u32) {
    }
    fn run_open_dialog(&self, extension: &str) -> Result<PathBuf, ()> {
        // TODO(pcwalton)
        Err(())
    }
    fn run_save_dialog(&self, extension: &str) -> Result<PathBuf, ()> {
        // TODO(pcwalton)
        Err(())
    }
 }
 struct AndroidResourceLoader;
 impl ResourceLoader for AndroidResourceLoader {
    fn slurp(&self, path: &str) -> Result<Vec<u8>, IOError> {
        JAVA_RESOURCE_LOADER.with(|java_resource_loader| {
            let java_resource_loader = java_resource_loader.borrow();
            let java_resource_loader = java_resource_loader.as_ref().unwrap();
            let loader = java_resource_loader.loader.as_obj();
            let env = java_resource_loader.vm.get_env().unwrap();
            match env.call_method(loader,
                                  "slurp",
                                  "(Ljava/lang/String;)Ljava/nio/ByteBuffer;",
                                  &[JValue::Object(*env.new_string(path).unwrap())]).unwrap() {
                JValue::Object(object) => {
                    let byte_buffer = JByteBuffer::from(object);
                    Ok(Vec::from(env.get_direct_buffer_address(byte_buffer).unwrap()))
                }
                _ => panic!("Unexpected return value!"),
            }
        })
    }
 }
 struct JavaResourceLoader {
    loader: GlobalRef,
    vm: JavaVM,
 }
 impl JavaResourceLoader {
    fn new(env: JNIEnv, loader: JObject) -> JavaResourceLoader {
        JavaResourceLoader {
            loader: env.new_global_ref(loader).unwrap(),
            vm: env.get_java_vm().unwrap(),
        }
    }
 }
--- a/demo/android/settings.gradle
+++ b/demo/android/settings.gradle
@ -0,0 +1 @@
 include ':app'
--- a/demo/common/Cargo.toml
+++ b/demo/common/Cargo.toml
@ -8,7 +8,6 @@ authors = ["Patrick Walton <pcwalton@mimiga.net>"]
 clap = "2.32"
 gl = "0.6"
 jemallocator = "0.1"
 nfd = "0.0.4"
 rayon = "1.0"
 usvg = "0.4"
--- a/demo/common/src/device.rs
+++ b/demo/common/src/device.rs
@ -11,7 +11,8 @@
 //! GPU rendering code specifically for the demo.
 use crate::GRIDLINE_COUNT;
-use pathfinder_gpu::{BufferTarget, BufferUploadMode, Device, Resources, VertexAttrType};
+use pathfinder_gpu::resources::ResourceLoader;
 use pathfinder_gpu::{BufferTarget, BufferUploadMode, Device, VertexAttrType};
 pub struct GroundProgram<D> where D: Device {
    pub program: D::Program,
@ -20,7 +21,7 @@ pub struct GroundProgram<D> where D: Device {
 }
 impl<D> GroundProgram<D> where D: Device {
-    pub fn new(device: &D, resources: &Resources) -> GroundProgram<D> {
+    pub fn new(device: &D, resources: &dyn ResourceLoader) -> GroundProgram<D> {
        let program = device.create_program(resources, "demo_ground");
        let transform_uniform = device.get_uniform(&program, "Transform");
        let color_uniform = device.get_uniform(&program, "Color");
--- a/demo/common/src/lib.rs
+++ b/demo/common/src/lib.rs
@ -22,8 +22,9 @@ use pathfinder_geometry::basic::transform2d::Transform2DF32;
 use pathfinder_geometry::basic::transform3d::{Perspective, Transform3DF32};
 use pathfinder_geometry::color::ColorU;
 use pathfinder_gl::GLDevice;
-use pathfinder_gpu::{DepthFunc, DepthState, Device, Primitive, RenderState, Resources};
+use pathfinder_gpu::resources::ResourceLoader;
-use pathfinder_gpu::{StencilFunc, StencilState, UniformData};
+use pathfinder_gpu::{DepthFunc, DepthState, Device, Primitive, RenderState, StencilFunc};
 use pathfinder_gpu::{StencilState, UniformData};
 use pathfinder_renderer::builder::{RenderOptions, RenderTransform, SceneBuilder};
 use pathfinder_renderer::gpu::renderer::Renderer;
 use pathfinder_renderer::gpu_data::BuiltScene;
@ -34,6 +35,9 @@ use pathfinder_svg::BuiltSVG;
 use pathfinder_ui::UIEvent;
 use rayon::ThreadPoolBuilder;
 use std::f32::consts::FRAC_PI_4;
 use std::ffi::CString;
 use std::fs::File;
 use std::io::Read;
 use std::mem;
 use std::panic;
 use std::path::{Path, PathBuf};
@ -46,7 +50,7 @@ use usvg::{Options as UsvgOptions, Tree};
 #[global_allocator]
 static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;
-static DEFAULT_SVG_FILENAME: &'static str = "Ghostscript_Tiger.svg";
+static DEFAULT_SVG_VIRTUAL_PATH: &'static str = "svg/Ghostscript_Tiger.svg";
 const MAIN_FRAMEBUFFER_WIDTH: u32 = 1067;
 const MAIN_FRAMEBUFFER_HEIGHT: u32 = 800;
@ -111,18 +115,18 @@ impl<W> DemoApp<W> where W: Window {
        let window = W::new(default_framebuffer_size);
        let expire_message_event_id = window.create_user_event_id();
-        let device = GLDevice::new();
+        let device = GLDevice::new(window.gl_version());
-        let resources = Resources::locate();
+        let resources = window.resource_loader();
-        let options = Options::get(&resources);
+        let options = Options::get(resources);
        let (window_size, drawable_size) = (window.size(), window.drawable_size());
-        let built_svg = load_scene(&options.input_path);
+        let built_svg = load_scene(resources, &options.input_path);
        let message = get_svg_building_message(&built_svg);
        let scene_view_box = built_svg.scene.view_box;
        let scene_is_monochrome = built_svg.scene.is_monochrome();
-        let renderer = Renderer::new(device, &resources, drawable_size);
+        let renderer = Renderer::new(device, resources, drawable_size);
        let scene_thread_proxy = SceneThreadProxy::new(built_svg.scene, options.clone());
        scene_thread_proxy.set_drawable_size(window.drawable_size());
@ -132,7 +136,7 @@ impl<W> DemoApp<W> where W: Window {
            Camera::new_2d(scene_view_box, drawable_size)
        };
-        let ground_program = GroundProgram::new(&renderer.device, &resources);
+        let ground_program = GroundProgram::new(&renderer.device, resources);
        let ground_solid_vertex_array =
            GroundSolidVertexArray::new(&renderer.device,
                                        &ground_program,
@ -140,7 +144,7 @@ impl<W> DemoApp<W> where W: Window {
        let ground_line_vertex_array = GroundLineVertexArray::new(&renderer.device,
                                                                  &ground_program);
-        let mut ui = DemoUI::new(&renderer.device, &resources, options);
+        let mut ui = DemoUI::new(&renderer.device, resources, options);
        let mut message_epoch = 0;
        emit_message::<W>(&mut ui, &mut message_epoch, expire_message_event_id, message);
@ -341,7 +345,10 @@ impl<W> DemoApp<W> where W: Window {
        self.ui.show_text_effects = self.scene_is_monochrome;
        let mut ui_action = UIAction::None;
-        self.ui.update(&self.renderer.device, &mut self.renderer.debug_ui, &mut ui_action);
+        self.ui.update(&self.renderer.device,
                       &self.window,
                       &mut self.renderer.debug_ui,
                       &mut ui_action);
        ui_event = mem::replace(&mut self.renderer.debug_ui.ui.event, UIEvent::None);
        self.handle_ui_action(&mut ui_action);
@ -469,7 +476,7 @@ impl<W> DemoApp<W> where W: Window {
            UIAction::None => {}
            UIAction::OpenFile(ref path) => {
-                let built_svg = load_scene(&path);
+                let built_svg = load_scene(self.window.resource_loader(), &Some((*path).clone()));
                self.ui.message = get_svg_building_message(&built_svg);
                self.scene_view_box = built_svg.scene.view_box;
@ -620,11 +627,11 @@ enum SceneToMainMsg {
 pub struct Options {
    jobs: Option<usize>,
    three_d: bool,
-    input_path: PathBuf,
+    input_path: Option<PathBuf>,
 }
 impl Options {
-    fn get(resources: &Resources) -> Options {
+    fn get(resources: &dyn ResourceLoader) -> Options {
        let matches = App::new("tile-svg")
            .arg(
                Arg::with_name("jobs")
@ -643,15 +650,7 @@ impl Options {
            .map(|string| string.parse().unwrap());
        let three_d = matches.is_present("3d");
-        let input_path = match matches.value_of("INPUT") {
+        let input_path = matches.value_of("INPUT").map(PathBuf::from);
            Some(path) => PathBuf::from(path),
            None => {
                let mut path = resources.resources_directory.clone();
                path.push("svg");
                path.push(DEFAULT_SVG_FILENAME);
                path
            }
        };
        // Set up Rayon.
        let mut thread_pool_builder = ThreadPoolBuilder::new();
@ -664,8 +663,21 @@ impl Options {
    }
 }
-fn load_scene(input_path: &Path) -> BuiltSVG {
+fn load_scene(resource_loader: &dyn ResourceLoader, input_path: &Option<PathBuf>) -> BuiltSVG {
-    BuiltSVG::from_tree(Tree::from_file(input_path, &UsvgOptions::default()).unwrap())
+    let mut data;
    match *input_path {
        Some(ref input_path) => {
            data = vec![];
            let mut file = match File::open(input_path) {
                Ok(file) => file,
                Err(err) => panic!(),
            };
            file.read_to_end(&mut data).unwrap();
        }
        None => data = resource_loader.slurp(DEFAULT_SVG_VIRTUAL_PATH).unwrap(),
    }
    BuiltSVG::from_tree(Tree::from_data(&data, &UsvgOptions::default()).unwrap())
 }
 fn build_scene(scene: &Scene, build_options: BuildOptions, jobs: Option<usize>) -> BuiltScene {
--- a/demo/common/src/ui.rs
+++ b/demo/common/src/ui.rs
@ -9,10 +9,11 @@
 // except according to those terms.
 use crate::Options;
-use nfd::Response;
+use crate::window::Window;
 use pathfinder_geometry::basic::point::Point2DI32;
 use pathfinder_geometry::basic::rect::RectI32;
-use pathfinder_gpu::{Device, Resources};
+use pathfinder_gpu::Device;
 use pathfinder_gpu::resources::ResourceLoader;
 use pathfinder_renderer::gpu::debug::DebugUI;
 use pathfinder_ui::{BUTTON_HEIGHT, BUTTON_TEXT_OFFSET, BUTTON_WIDTH, FONT_ASCENT, PADDING};
 use pathfinder_ui::{SWITCH_SIZE, TEXT_COLOR, TOOLTIP_HEIGHT, WINDOW_COLOR};
@ -66,7 +67,7 @@ pub struct DemoUI<D> where D: Device {
 }
 impl<D> DemoUI<D> where D: Device {
-    pub fn new(device: &D, resources: &Resources, options: Options) -> DemoUI<D> {
+    pub fn new(device: &D, resources: &dyn ResourceLoader, options: Options) -> DemoUI<D> {
        let effects_texture = device.create_texture_from_png(resources, EFFECTS_PNG_NAME);
        let open_texture = device.create_texture_from_png(resources, OPEN_PNG_NAME);
        let rotate_texture = device.create_texture_from_png(resources, ROTATE_PNG_NAME);
@ -104,7 +105,12 @@ impl<D> DemoUI<D> where D: Device {
        (self.rotation as f32 / SLIDER_WIDTH as f32 * 2.0 - 1.0) * PI
    }
-    pub fn update(&mut self, device: &D, debug_ui: &mut DebugUI<D>, action: &mut UIAction) {
+    pub fn update<W>(&mut self,
                     device: &D,
                     window: &W,
                     debug_ui: &mut DebugUI<D>,
                     action: &mut UIAction)
                     where W: Window {
        // Draw message text.
        self.draw_message_text(device, debug_ui);
@ -132,8 +138,10 @@ impl<D> DemoUI<D> where D: Device {
        // Draw open button.
        if debug_ui.ui.draw_button(device, position, &self.open_texture) {
-            if let Ok(Response::Okay(file)) = nfd::open_file_dialog(Some("svg"), None) {
+            // FIXME(pcwalton): This is not sufficient for Android, where we will need to take in
-                *action = UIAction::OpenFile(PathBuf::from(file));
+            // the contents of the file.
            if let Ok(file) = window.run_open_dialog("svg") {
                *action = UIAction::OpenFile(file);
            }
        }
        debug_ui.ui.draw_tooltip(device, "Open SVG", RectI32::new(position, button_size));
@ -141,8 +149,10 @@ impl<D> DemoUI<D> where D: Device {
        // Draw screenshot button.
        if debug_ui.ui.draw_button(device, position, &self.screenshot_texture) {
-            if let Ok(Response::Okay(file)) = nfd::open_save_dialog(Some("png"), None) {
+            // FIXME(pcwalton): This is not sufficient for Android, where we will need to take in
-                *action = UIAction::TakeScreenshot(PathBuf::from(file));
+            // the contents of the file.
            if let Ok(file) = window.run_save_dialog("png") {
                *action = UIAction::TakeScreenshot(file);
            }
        }
        debug_ui.ui.draw_tooltip(device, "Take Screenshot", RectI32::new(position, button_size));
--- a/demo/common/src/window.rs
+++ b/demo/common/src/window.rs
@ -11,15 +11,23 @@
 //! A minimal cross-platform windowing layer.
 use pathfinder_geometry::basic::point::Point2DI32;
 use pathfinder_gl::GLVersion;
 use pathfinder_gpu::resources::ResourceLoader;
 use std::io::Error;
 use std::path::PathBuf;
 pub trait Window {
    fn new(initial_size: Point2DI32) -> Self;
    fn gl_version(&self) -> GLVersion;
    fn size(&self) -> Point2DI32;
    fn drawable_size(&self) -> Point2DI32;
    fn mouse_position(&self) -> Point2DI32;
    fn present(&self);
    fn resource_loader(&self) -> &dyn ResourceLoader;
    fn create_user_event_id(&self) -> u32;
    fn push_user_event(message_type: u32, message_data: u32);
    fn run_open_dialog(&self, extension: &str) -> Result<PathBuf, ()>;
    fn run_save_dialog(&self, extension: &str) -> Result<PathBuf, ()>;
 }
 pub enum Event {
--- a/demo/native/Cargo.toml
+++ b/demo/native/Cargo.toml
@ -9,6 +9,7 @@ pf-no-simd = ["pathfinder_simd/pf-no-simd"]
 [dependencies]
 gl = "0.6"
 nfd = "0.0.4"
 sdl2 = "0.32"
 sdl2-sys = "0.32"
@ -18,5 +19,11 @@ path = "../common"
 [dependencies.pathfinder_geometry]
 path = "../../geometry"
 [dependencies.pathfinder_gl]
 path = "../../gl"
 [dependencies.pathfinder_gpu]
 path = "../../gpu"
 [dependencies.pathfinder_simd]
 path = "../../simd"
--- a/demo/native/src/main.rs
+++ b/demo/native/src/main.rs
@ -10,14 +10,18 @@
 //! A demo app for Pathfinder using SDL 2.
 use nfd::Response;
 use pathfinder_demo::DemoApp;
 use pathfinder_demo::window::{Event, Keycode, Window};
 use pathfinder_geometry::basic::point::Point2DI32;
 use pathfinder_gl::GLVersion;
 use pathfinder_gpu::resources::{FilesystemResourceLoader, ResourceLoader};
 use sdl2::{EventPump, EventSubsystem, Sdl, VideoSubsystem};
 use sdl2::event::{Event as SDLEvent, WindowEvent};
 use sdl2::keyboard::Keycode as SDLKeycode;
 use sdl2::video::{GLContext, GLProfile, Window as SDLWindow};
 use sdl2_sys::{SDL_Event, SDL_UserEvent};
 use std::path::PathBuf;
 use std::ptr;
 fn main() {
@ -42,6 +46,7 @@ struct WindowImpl {
    event_pump: EventPump,
    #[allow(dead_code)]
    gl_context: GLContext,
    resource_loader: FilesystemResourceLoader,
 }
 impl Window for WindowImpl {
@ -69,10 +74,16 @@ impl Window for WindowImpl {
            event_pump = SDL_CONTEXT.with(|sdl_context| sdl_context.event_pump().unwrap());
-            WindowImpl { window, event_pump, gl_context }
+            let resource_loader = FilesystemResourceLoader::locate();
            WindowImpl { window, event_pump, gl_context, resource_loader }
        })
    }
    fn gl_version(&self) -> GLVersion {
        GLVersion::GL3
    }
    fn size(&self) -> Point2DI32 {
        let (width, height) = self.window.size();
        Point2DI32::new(width as i32, height as i32)
@ -92,6 +103,10 @@ impl Window for WindowImpl {
        self.window.gl_swap_window();
    }
    fn resource_loader(&self) -> &dyn ResourceLoader {
        &self.resource_loader
    }
    fn create_user_event_id(&self) -> u32 {
        SDL_EVENT.with(|sdl_event| unsafe { sdl_event.register_event().unwrap() })
    }
@ -109,6 +124,20 @@ impl Window for WindowImpl {
            sdl2_sys::SDL_PushEvent(&mut user_event as *mut SDL_UserEvent as *mut SDL_Event);
        }
    }
    fn run_open_dialog(&self, extension: &str) -> Result<PathBuf, ()> {
        match nfd::open_file_dialog(Some(extension), None) {
            Ok(Response::Okay(file)) => Ok(PathBuf::from(file)),
            _ => Err(()),
        }
    }
    fn run_save_dialog(&self, extension: &str) -> Result<PathBuf, ()> {
        match nfd::open_save_dialog(Some(extension), None) {
            Ok(Response::Okay(file)) => Ok(PathBuf::from(file)),
            _ => Err(()),
        }
    }
 }
 impl WindowImpl {
--- a/gl/Cargo.toml
+++ b/gl/Cargo.toml
@ -6,6 +6,7 @@ authors = ["Patrick Walton <pcwalton@mimiga.net>"]
 [dependencies]
 gl = "0.6"
 rustache = "0.1"
 [dependencies.image]
 version = "0.21"
--- a/gl/src/lib.rs
+++ b/gl/src/lib.rs
@ -10,23 +10,29 @@
 //! An OpenGL implementation of the device abstraction.
-use gl::types::{GLboolean, GLchar, GLdouble, GLenum, GLfloat, GLint, GLsizei, GLsizeiptr};
+use gl::types::{GLboolean, GLchar, GLenum, GLfloat, GLint, GLsizei, GLsizeiptr, GLuint, GLvoid};
 use gl::types::{GLuint, GLvoid};
 use pathfinder_geometry::basic::point::Point2DI32;
 use pathfinder_gpu::{BlendState, BufferTarget, BufferUploadMode, DepthFunc, Device, Primitive};
 use pathfinder_gpu::{RenderState, ShaderKind, StencilFunc, TextureFormat};
 use pathfinder_gpu::{UniformData, VertexAttrType};
 use pathfinder_simd::default::F32x4;
 use rustache::{HashBuilder, Render};
 use std::ffi::CString;
 use std::io::Cursor;
 use std::mem;
 use std::ptr;
 use std::str;
 use std::time::Duration;
-pub struct GLDevice;
+pub struct GLDevice {
    version: GLVersion,
 }
 impl GLDevice {
    #[inline]
-    pub fn new() -> GLDevice { GLDevice }
+    pub fn new(version: GLVersion) -> GLDevice {
        GLDevice { version }
    }
    fn set_texture_parameters(&self, texture: &GLTexture) {
        self.bind_texture(texture, 0);
@ -189,7 +195,7 @@ impl Device for GLDevice {
            self.bind_texture(&texture, 0);
            gl::TexImage2D(gl::TEXTURE_2D,
                           0,
-                           gl::RED as GLint,
+                           gl::R8 as GLint,
                           size.x() as GLsizei,
                           size.y() as GLsizei,
                           0,
@ -203,6 +209,12 @@ impl Device for GLDevice {
    }
    fn create_shader_from_source(&self, name: &str, source: &[u8], kind: ShaderKind) -> GLShader {
        let glsl_version_spec = self.version.to_glsl_version_spec();
        let template_input = HashBuilder::new().insert("version", glsl_version_spec);
        let mut output = Cursor::new(vec![]);
        template_input.render(str::from_utf8(source).unwrap(), &mut output).unwrap();
        let source = output.into_inner();
        let gl_shader_kind = match kind {
            ShaderKind::Vertex => gl::VERTEX_SHADER,
            ShaderKind::Fragment => gl::FRAGMENT_SHADER,
@ -361,7 +373,6 @@ impl Device for GLDevice {
        let mut gl_framebuffer = 0;
        unsafe {
            gl::GenFramebuffers(1, &mut gl_framebuffer); ck();
            assert_eq!(gl::GetError(), gl::NO_ERROR);
            gl::BindFramebuffer(gl::FRAMEBUFFER, gl_framebuffer); ck();
            self.bind_texture(&texture, 0);
            gl::FramebufferTexture2D(gl::FRAMEBUFFER,
@ -469,7 +480,7 @@ impl Device for GLDevice {
            }
            if let Some(depth) = depth {
                gl::DepthMask(gl::TRUE); ck();
-                gl::ClearDepth(depth as GLdouble); ck();
+                gl::ClearDepthf(depth as _); ck(); // FIXME(pcwalton): GLES
                flags |= gl::DEPTH_BUFFER_BIT;
            }
            if let Some(stencil) = stencil {
@ -797,6 +808,23 @@ impl VertexAttrTypeExt for VertexAttrType {
    }
 }
 /// The version/dialect of OpenGL we should render with.
 pub enum GLVersion {
    /// OpenGL 3.0+, core profile.
    GL3,
    /// OpenGL ES 3.0+.
    GLES3,
 }
 impl GLVersion {
    fn to_glsl_version_spec(&self) -> &'static str {
        match *self {
            GLVersion::GL3 => "330",
            GLVersion::GLES3 => "300 es",
        }
    }
 }
 // Error checking
 #[cfg(debug)]
--- a/gpu/src/lib.rs
+++ b/gpu/src/lib.rs
@ -10,6 +10,8 @@
 //! Minimal abstractions over GPU device capabilities.
 use crate::resources::ResourceLoader;
 use image::ImageFormat;
 use pathfinder_geometry::basic::point::Point2DI32;
 use pathfinder_simd::default::F32x4;
 use std::env;
@ -18,6 +20,8 @@ use std::io::Read;
 use std::path::PathBuf;
 use std::time::Duration;
 pub mod resources;
 pub trait Device {
    type Buffer;
    type Framebuffer;
@ -91,28 +95,22 @@ pub trait Device {
    fn bind_framebuffer(&self, framebuffer: &Self::Framebuffer);
    fn bind_texture(&self, texture: &Self::Texture, unit: u32);
-    fn create_texture_from_png(&self, resources: &Resources, name: &str) -> Self::Texture {
+    fn create_texture_from_png(&self, resources: &dyn ResourceLoader, name: &str)
-        let mut path = resources.resources_directory.clone();
+                               -> Self::Texture {
-        path.push("textures");
+        let data = resources.slurp(&format!("textures/{}.png", name)).unwrap();
-        path.push(format!("{}.png", name));
+        let image = image::load_from_memory_with_format(&data, ImageFormat::PNG).unwrap().to_luma();
        let image = image::open(&path).unwrap().to_luma();
        let size = Point2DI32::new(image.width() as i32, image.height() as i32);
        self.create_texture_from_data(size, &image)
    }
-    fn create_shader(&self, resources: &Resources, name: &str, kind: ShaderKind) -> Self::Shader {
+    fn create_shader(&self, resources: &dyn ResourceLoader, name: &str, kind: ShaderKind)
                     -> Self::Shader {
        let suffix = match kind { ShaderKind::Vertex => 'v', ShaderKind::Fragment => 'f' };
-        let mut path = resources.resources_directory.clone();
+        let source = resources.slurp(&format!("shaders/{}.{}s.glsl", name, suffix)).unwrap();
        path.push("shaders");
        path.push(format!("{}.{}s.glsl", name, suffix));
        let mut source = vec![];
        File::open(&path).unwrap().read_to_end(&mut source).unwrap();
        self.create_shader_from_source(name, &source, kind)
    }
-    fn create_program(&self, resources: &Resources, name: &str) -> Self::Program {
+    fn create_program(&self, resources: &dyn ResourceLoader, name: &str) -> Self::Program {
        let vertex_shader = self.create_shader(resources, name, ShaderKind::Vertex);
        let fragment_shader = self.create_shader(resources, name, ShaderKind::Fragment);
        self.create_program_from_shaders(name, vertex_shader, fragment_shader)
@ -243,33 +241,3 @@ impl Default for StencilFunc {
        StencilFunc::Always
    }
 }
 pub struct Resources {
    pub resources_directory: PathBuf,
 }
 impl Resources {
    pub fn locate() -> Resources {
        let mut parent_directory = env::current_dir().unwrap();
        loop {
            // So ugly :(
            let mut resources_directory = parent_directory.clone();
            resources_directory.push("resources");
            if resources_directory.is_dir() {
                let mut shaders_directory = resources_directory.clone();
                let mut textures_directory = resources_directory.clone();
                shaders_directory.push("shaders");
                textures_directory.push("textures");
                if shaders_directory.is_dir() && textures_directory.is_dir() {
                    return Resources { resources_directory };
                }
            }
            if !parent_directory.pop() {
                break;
            }
        }
        panic!("No suitable `resources/` directory found!");
    }
 }
--- a/gpu/src/resources.rs
+++ b/gpu/src/resources.rs
@ -0,0 +1,70 @@
 // pathfinder/gpu/src/resources.rs
 //
 // Copyright © 2019 The Pathfinder Project Developers.
 //
 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 //! An abstraction for reading resources.
 //!
 //! We can't always count on a filesystem being present.
 use crate::ShaderKind;
 use std::env;
 use std::fs::File;
 use std::io::{Error as IOError, Read};
 use std::path::PathBuf;
 pub trait ResourceLoader {
    /// This is deliberately not a `Path`, because these are virtual paths
    /// that do not necessarily correspond to real paths on a filesystem.
    fn slurp(&self, path: &str) -> Result<Vec<u8>, IOError>;
 }
 pub struct FilesystemResourceLoader {
    pub directory: PathBuf,
 }
 impl FilesystemResourceLoader {
    pub fn new(root: PathBuf) -> FilesystemResourceLoader {
        let mut parent_directory = env::current_dir().unwrap();
        loop {
            // So ugly :(
            let mut resources_directory = parent_directory.clone();
            resources_directory.push("resources");
            if resources_directory.is_dir() {
                let mut shaders_directory = resources_directory.clone();
                let mut textures_directory = resources_directory.clone();
                shaders_directory.push("shaders");
                textures_directory.push("textures");
                if shaders_directory.is_dir() && textures_directory.is_dir() {
                    return FilesystemResourceLoader { directory: resources_directory };
                }
            }
            if !parent_directory.pop() {
                break;
            }
        }
        panic!("No suitable `resources/` directory found!");
    }
    pub fn locate() -> FilesystemResourceLoader {
        FilesystemResourceLoader::new(env::current_dir().unwrap())
    }
 }
 impl ResourceLoader for FilesystemResourceLoader {
    fn slurp(&self, virtual_path: &str) -> Result<Vec<u8>, IOError> {
        let mut path = self.directory.clone();
        virtual_path.split('/').for_each(|segment| path.push(segment));
        let mut data = vec![];
        File::open(&path)?.read_to_end(&mut data)?;
        Ok(data)
    }
 }
--- a/renderer/src/gpu/debug.rs
+++ b/renderer/src/gpu/debug.rs
@ -18,7 +18,8 @@
 use crate::gpu_data::Stats;
 use pathfinder_geometry::basic::point::Point2DI32;
 use pathfinder_geometry::basic::rect::RectI32;
-use pathfinder_gpu::{Device, Resources};
+use pathfinder_gpu::Device;
 use pathfinder_gpu::resources::ResourceLoader;
 use pathfinder_ui::{FONT_ASCENT, LINE_HEIGHT, PADDING, UI, WINDOW_COLOR};
 use std::collections::VecDeque;
 use std::ops::{Add, Div};
@ -37,7 +38,8 @@ pub struct DebugUI<D> where D: Device {
 }
 impl<D> DebugUI<D> where D: Device {
-    pub fn new(device: &D, resources: &Resources, framebuffer_size: Point2DI32) -> DebugUI<D> {
+    pub fn new(device: &D, resources: &dyn ResourceLoader, framebuffer_size: Point2DI32)
               -> DebugUI<D> {
        let ui = UI::new(device, resources, framebuffer_size);
        DebugUI { ui, cpu_samples: SampleBuffer::new(), gpu_samples: SampleBuffer::new() }
    }
--- a/renderer/src/gpu/renderer.rs
+++ b/renderer/src/gpu/renderer.rs
@ -15,8 +15,9 @@ use crate::scene::ObjectShader;
 use crate::tiles::{TILE_HEIGHT, TILE_WIDTH};
 use pathfinder_geometry::basic::point::{Point2DI32, Point3DF32};
 use pathfinder_geometry::color::ColorU;
 use pathfinder_gpu::resources::ResourceLoader;
 use pathfinder_gpu::{BlendState, BufferTarget, BufferUploadMode, DepthFunc, DepthState, Device};
-use pathfinder_gpu::{Primitive, RenderState, Resources, StencilFunc, StencilState, TextureFormat};
+use pathfinder_gpu::{Primitive, RenderState, StencilFunc, StencilState, TextureFormat};
 use pathfinder_gpu::{UniformData, VertexAttrType};
 use pathfinder_simd::default::{F32x4, I32x4};
 use std::collections::VecDeque;
@ -73,17 +74,17 @@ pub struct Renderer<D> where D: Device {
 }
 impl<D> Renderer<D> where D: Device {
-    pub fn new(device: D, resources: &Resources, main_framebuffer_size: Point2DI32)
+    pub fn new(device: D, resources: &dyn ResourceLoader, main_framebuffer_size: Point2DI32)
               -> Renderer<D> {
-        let fill_program = FillProgram::new(&device, &resources);
+        let fill_program = FillProgram::new(&device, resources);
-        let solid_tile_program = SolidTileProgram::new(&device, &resources);
+        let solid_tile_program = SolidTileProgram::new(&device, resources);
-        let mask_tile_program = MaskTileProgram::new(&device, &resources);
+        let mask_tile_program = MaskTileProgram::new(&device, resources);
-        let postprocess_program = PostprocessProgram::new(&device, &resources);
+        let postprocess_program = PostprocessProgram::new(&device, resources);
-        let stencil_program = StencilProgram::new(&device, &resources);
+        let stencil_program = StencilProgram::new(&device, resources);
-        let area_lut_texture = device.create_texture_from_png(&resources, "area-lut");
+        let area_lut_texture = device.create_texture_from_png(resources, "area-lut");
-        let gamma_lut_texture = device.create_texture_from_png(&resources, "gamma-lut");
+        let gamma_lut_texture = device.create_texture_from_png(resources, "gamma-lut");
        let quad_vertex_positions_buffer = device.create_buffer();
        device.upload_to_buffer(&quad_vertex_positions_buffer,
@ -115,7 +116,7 @@ impl<D> Renderer<D> where D: Device {
                                               FILL_COLORS_TEXTURE_HEIGHT);
        let fill_colors_texture = device.create_texture(TextureFormat::RGBA8, fill_colors_size);
-        let debug_ui = DebugUI::new(&device, &resources, main_framebuffer_size);
+        let debug_ui = DebugUI::new(&device, resources, main_framebuffer_size);
        Renderer {
            device,
@ -653,7 +654,7 @@ struct FillProgram<D> where D: Device {
 }
 impl<D> FillProgram<D> where D: Device {
-    fn new(device: &D, resources: &Resources) -> FillProgram<D> {
+    fn new(device: &D, resources: &dyn ResourceLoader) -> FillProgram<D> {
        let program = device.create_program(resources, "fill");
        let framebuffer_size_uniform = device.get_uniform(&program, "FramebufferSize");
        let tile_size_uniform = device.get_uniform(&program, "TileSize");
@ -672,7 +673,7 @@ struct SolidTileProgram<D> where D: Device {
 }
 impl<D> SolidTileProgram<D> where D: Device {
-    fn new(device: &D, resources: &Resources) -> SolidTileProgram<D> {
+    fn new(device: &D, resources: &dyn ResourceLoader) -> SolidTileProgram<D> {
        let program = device.create_program(resources, "solid_tile");
        let framebuffer_size_uniform = device.get_uniform(&program, "FramebufferSize");
        let tile_size_uniform = device.get_uniform(&program, "TileSize");
@ -703,7 +704,7 @@ struct MaskTileProgram<D> where D: Device {
 }
 impl<D> MaskTileProgram<D> where D: Device {
-    fn new(device: &D, resources: &Resources) -> MaskTileProgram<D> {
+    fn new(device: &D, resources: &dyn ResourceLoader) -> MaskTileProgram<D> {
        let program = device.create_program(resources, "mask_tile");
        let framebuffer_size_uniform = device.get_uniform(&program, "FramebufferSize");
        let tile_size_uniform = device.get_uniform(&program, "TileSize");
@ -736,7 +737,7 @@ struct PostprocessProgram<D> where D: Device {
 }
 impl<D> PostprocessProgram<D> where D: Device {
-    fn new(device: &D, resources: &Resources) -> PostprocessProgram<D> {
+    fn new(device: &D, resources: &dyn ResourceLoader) -> PostprocessProgram<D> {
        let program = device.create_program(resources, "post");
        let source_uniform = device.get_uniform(&program, "Source");
        let framebuffer_size_uniform = device.get_uniform(&program, "FramebufferSize");
@ -787,7 +788,7 @@ struct StencilProgram<D> where D: Device {
 }
 impl<D> StencilProgram<D> where D: Device {
-    fn new(device: &D, resources: &Resources) -> StencilProgram<D> {
+    fn new(device: &D, resources: &dyn ResourceLoader) -> StencilProgram<D> {
        let program = device.create_program(resources, "stencil");
        StencilProgram { program }
    }
--- a/resources/debug-fonts/regular.json
+++ b/resources/debug-fonts/regular.json
--- a/resources/shaders/debug_solid.fs.glsl
+++ b/resources/shaders/debug_solid.fs.glsl
@ -1,4 +1,4 @@
-#version 330
+#version {{version}}
 // pathfinder/demo/shaders/debug_solid.fs.glsl
 //
--- a/resources/shaders/debug_solid.vs.glsl
+++ b/resources/shaders/debug_solid.vs.glsl
@ -1,4 +1,4 @@
-#version 330
+#version {{version}}
 // pathfinder/demo/shaders/debug_solid.vs.glsl
 //
--- a/resources/shaders/debug_texture.fs.glsl
+++ b/resources/shaders/debug_texture.fs.glsl
@ -1,4 +1,4 @@
-#version 330
+#version {{version}}
 // pathfinder/demo/shaders/debug_texture.fs.glsl
 //
--- a/resources/shaders/debug_texture.vs.glsl
+++ b/resources/shaders/debug_texture.vs.glsl
@ -1,4 +1,4 @@
-#version 330
+#version {{version}}
 // pathfinder/demo/shaders/debug_texture.vs.glsl
 //
--- a/resources/shaders/demo_ground.fs.glsl
+++ b/resources/shaders/demo_ground.fs.glsl
@ -1,4 +1,4 @@
-#version 330
+#version {{version}}
 // pathfinder/demo/resources/shaders/demo_ground.fs.glsl
 //
--- a/resources/shaders/demo_ground.vs.glsl
+++ b/resources/shaders/demo_ground.vs.glsl
@ -1,4 +1,4 @@
-#version 330
+#version {{version}}
 // pathfinder/demo/resources/shaders/demo_ground.vs.glsl
 //
--- a/resources/shaders/fill.fs.glsl
+++ b/resources/shaders/fill.fs.glsl
@ -1,4 +1,4 @@
-#version 330
+#version {{version}}
 // pathfinder/demo2/stencil.fs.glsl
 //
--- a/resources/shaders/fill.vs.glsl
+++ b/resources/shaders/fill.vs.glsl
@ -1,4 +1,4 @@
-#version 330
+#version {{version}}
 // pathfinder/demo/fill.vs.glsl
 //
--- a/resources/shaders/mask_tile.fs.glsl
+++ b/resources/shaders/mask_tile.fs.glsl
@ -1,4 +1,4 @@
-#version 330
+#version {{version}}
 // pathfinder/demo/resources/shaders/mask_tile.fs.glsl
 //
--- a/resources/shaders/mask_tile.vs.glsl
+++ b/resources/shaders/mask_tile.vs.glsl
@ -1,4 +1,4 @@
-#version 330
+#version {{version}}
 // pathfinder/demo/shaders/mask_tile.vs.glsl
 //
--- a/resources/shaders/post.fs.glsl
+++ b/resources/shaders/post.fs.glsl
@ -1,4 +1,4 @@
-#version 330
+#version {{version}}
 // pathfinder/demo/shaders/post.fs.glsl
 //
--- a/resources/shaders/post.vs.glsl
+++ b/resources/shaders/post.vs.glsl
@ -1,4 +1,4 @@
-#version 330
+#version {{version}}
 // pathfinder/demo/shaders/post.vs.glsl
 //
--- a/resources/shaders/solid_tile.fs.glsl
+++ b/resources/shaders/solid_tile.fs.glsl
@ -1,4 +1,4 @@
-#version 330
+#version {{version}}
 // pathfinder/demo2/opaque.fs.glsl
 //
--- a/resources/shaders/solid_tile.vs.glsl
+++ b/resources/shaders/solid_tile.vs.glsl
@ -1,4 +1,4 @@
-#version 330
+#version {{version}}
 // pathfinder/demo/resources/shaders/solid_tile.vs.glsl
 //
--- a/resources/shaders/stencil.fs.glsl
+++ b/resources/shaders/stencil.fs.glsl
@ -1,4 +1,4 @@
-#version 330
+#version {{version}}
 // pathfinder/resources/shaders/stencil.fs.glsl
 //
--- a/resources/shaders/stencil.vs.glsl
+++ b/resources/shaders/stencil.vs.glsl
@ -1,4 +1,4 @@
-#version 330
+#version {{version}}
 // pathfinder/resources/shaders/stencil.vs.glsl
 //
--- a/simd/src/lib.rs
+++ b/simd/src/lib.rs
@ -16,6 +16,7 @@ pub use crate::scalar as default;
 pub use crate::x86 as default;
 pub mod scalar;
 #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
 pub mod x86;
 mod extras;
--- a/ui/src/lib.rs
+++ b/ui/src/lib.rs
@ -20,8 +20,9 @@ use hashbrown::HashMap;
 use pathfinder_geometry::basic::point::{Point2DF32, Point2DI32};
 use pathfinder_geometry::basic::rect::RectI32;
 use pathfinder_geometry::color::ColorU;
 use pathfinder_gpu::resources::ResourceLoader;
 use pathfinder_gpu::{BlendState, BufferTarget, BufferUploadMode, Device, Primitive, RenderState};
-use pathfinder_gpu::{Resources, UniformData, VertexAttrType};
+use pathfinder_gpu::{UniformData, VertexAttrType};
 use pathfinder_simd::default::F32x4;
 use serde_json;
 use std::fs::File;
@ -55,7 +56,7 @@ static OUTLINE_COLOR:     ColorU = ColorU { r: 255, g: 255, b: 255, a: 192 };
 static INVERTED_TEXT_COLOR: ColorU = ColorU { r: 0,   g: 0,   b: 0,   a: 255      };
-static FONT_JSON_FILENAME: &'static str = "debug-font.json";
+static FONT_JSON_VIRTUAL_PATH: &'static str = "debug-fonts/regular.json";
 static FONT_PNG_NAME: &'static str = "debug-font";
 static CORNER_FILL_PNG_NAME: &'static str = "debug-corner-fill";
@ -83,7 +84,7 @@ pub struct UI<D> where D: Device {
 }
 impl<D> UI<D> where D: Device {
-    pub fn new(device: &D, resources: &Resources, framebuffer_size: Point2DI32) -> UI<D> {
+    pub fn new(device: &D, resources: &dyn ResourceLoader, framebuffer_size: Point2DI32) -> UI<D> {
        let texture_program = DebugTextureProgram::new(device, resources);
        let texture_vertex_array = DebugTextureVertexArray::new(device, &texture_program);
        let font = DebugFont::load(resources);
@ -509,7 +510,7 @@ struct DebugTextureProgram<D> where D: Device {
 }
 impl<D> DebugTextureProgram<D> where D: Device {
-    fn new(device: &D, resources: &Resources) -> DebugTextureProgram<D> {
+    fn new(device: &D, resources: &dyn ResourceLoader) -> DebugTextureProgram<D> {
        let program = device.create_program(resources, "debug_texture");
        let framebuffer_size_uniform = device.get_uniform(&program, "FramebufferSize");
        let texture_size_uniform = device.get_uniform(&program, "TextureSize");
@ -598,7 +599,7 @@ struct DebugSolidProgram<D> where D: Device {
 }
 impl<D> DebugSolidProgram<D> where D: Device {
-    fn new(device: &D, resources: &Resources) -> DebugSolidProgram<D> {
+    fn new(device: &D, resources: &dyn ResourceLoader) -> DebugSolidProgram<D> {
        let program = device.create_program(resources, "debug_solid");
        let framebuffer_size_uniform = device.get_uniform(&program, "FramebufferSize");
        let color_uniform = device.get_uniform(&program, "Color");
@ -727,10 +728,8 @@ struct DebugCharacter {
 }
 impl DebugFont {
-    fn load(resources: &Resources) -> DebugFont {
+    #[inline]
-        let mut path = resources.resources_directory.clone();
+    fn load(resources: &dyn ResourceLoader) -> DebugFont {
-        path.push(FONT_JSON_FILENAME);
+        serde_json::from_slice(&resources.slurp(FONT_JSON_VIRTUAL_PATH).unwrap()).unwrap()
        serde_json::from_reader(BufReader::new(File::open(path).unwrap())).unwrap()
    }
 }