Files
rl-mobile/tools/kawarp-build/src/radiant/Kawarp.java
T

265 lines
10 KiB
Java

package radiant;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.SystemClock;
import android.view.Choreographer;
import androidx.compose.foundation.layout.SizeKt;
import androidx.compose.foundation.layout.SpacerKt;
import androidx.compose.runtime.Composer;
import androidx.compose.runtime.MutableIntState;
import androidx.compose.runtime.SnapshotIntStateKt;
import androidx.compose.runtime.MutableState;
import androidx.compose.runtime.SnapshotStateKt;
import androidx.compose.ui.Modifier;
import androidx.compose.ui.draw.DrawModifierKt;
import androidx.compose.ui.geometry.Size;
import androidx.compose.ui.graphics.AndroidCanvas_androidKt;
import androidx.compose.ui.graphics.drawscope.DrawScope;
import androidx.compose.ui.platform.AndroidCompositionLocals_androidKt;
import coil.request.CachePolicy;
import com.tidal.android.feature.playerscreen.ui.composables.p3;
import com.tidal.android.feature.playerscreen.ui.model.PlayerBackgroundStyle;
import com.tidal.android.image.coil.base.CoilImageLoader;
import com.tidal.android.image.core.b;
import dev.kawarp.KawarpEngine;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
/**
* MARKER: Kawarp Backdrop - TIDAL glue over dev.kawarp.KawarpEngine (Kawarp-AGSL library)
*
* The engine (shader, blur pipeline, settings, crossfade) lives in the Kawarp-AGSL library
* (cloned at tools/kawarp-agsl) and is compiled into this bundle by tools/kawarp-build/build.sh;
* this class only holds what is TIDAL/Compose-specific
*/
public final class Kawarp implements am0.l, Runnable, Choreographer.FrameCallback, b0.c {
/** Stop the frame loop once nothing has drawn for this long (player left / backgrounded). */
private static final long IDLE_STOP_MS = 500L;
/**
* Patch option plumbing. The 0x5241xxxx literals are sentinels that build.sh rewrites into
* __RL_*__ placeholders for the Manager to substitute; routing them through tk() stops javac
* constant-folding them out of existence.
*/
private static int tk(int v) { return v; }
private static final ExecutorService LOADER = Executors.newSingleThreadExecutor();
/**
* Bumped every frame so the draw lambda's snapshot read invalidates the draw phase.
* An int state rather than MutableState<Integer>: this ticks at 60 Hz, and boxing here
* would allocate an Integer per frame for nothing.
*/
private static final MutableIntState frameState = SnapshotIntStateKt.mutableIntStateOf(0);
/** Flips true on any shader failure; read during composition so we recompose onto p3.a. */
private static final MutableState fallbackState =
SnapshotStateKt.mutableStateOf$default(Boolean.FALSE, null, 2, null);
/** The shared instance render passes to drawBehind (also serves as the frame callback). */
private static final Kawarp DRAW = new Kawarp(0, null, 0);
private static KawarpEngine engine;
/** TIDAL's application-scoped Coil loader and the context its requests are built with. */
private static volatile coil.f loader;
private static volatile Context appContext;
private static volatile String requestedUuid;
private static volatile int loadToken;
private static long lastDrawUptime;
private static boolean frameScheduled;
private static int frameTick;
/** Set when this instance is a queued cover load; 0/null/0 on the shared DRAW instance. */
private final int albumId;
private final String uuid;
private final int token;
private Kawarp(int albumId, String uuid, int token) {
this.albumId = albumId;
this.uuid = uuid;
this.token = token;
}
// Composition
/**
* Drop-in replacement for TIDAL's PlayerBackground composable (p3.b) - the patch redirects
* the call site here so the whole backdrop works <3
*/
public static void b(PlayerBackgroundStyle style, long color, int albumId, String coverUuid,
boolean isPlaying, boolean isSeeking, am0.a progress, Modifier modifier,
Composer composer, int changed) {
render(albumId, coverUuid, isPlaying, modifier, composer);
}
/** Shared by the player screen and by Cover Everywhere (radiant/HomeBackdrop). */
public static void render(int albumId, String coverUuid, boolean isPlaying,
Modifier modifier, Composer composer) {
composer.startReplaceGroup(0x52415750);
attach(composer);
boolean ok = !((Boolean) fallbackState.getValue()).booleanValue() && ensureEngine();
if (!ok) {
// No (working) AGSL here - fall back to TIDAL's own blurred backdrop.
p3.a(albumId, coverUuid, isPlaying, false, null, modifier, composer, 0);
} else {
engine.setPlaying(isPlaying);
request(albumId, coverUuid);
Modifier m = DrawModifierKt.drawBehind(SizeKt.fillMaxSize(modifier, 1.0f), DRAW);
SpacerKt.Spacer(m, composer, 0);
}
composer.endReplaceGroup();
}
/**
* Grab the app's image loader the same way TIDAL's composables do (yd0.c)
*/
private static void attach(Composer composer) {
if (loader != null) return;
try {
Object local = composer.consume(AndroidCompositionLocals_androidKt.getLocalContext());
if (!(local instanceof Context)) return;
Context app = ((Context) local).getApplicationContext();
if (!(app instanceof ce0.b.a)) return;
Object tidalLoader = ((ce0.b.a) app).a().a();
if (!(tidalLoader instanceof CoilImageLoader)) return;
appContext = app;
loader = ((CoilImageLoader) tidalLoader).a;
} catch (Throwable t) {
// No loader -> request() never runs and the backdrop simply stays on the last cover.
}
}
/** Engine construction compiles the AGSL so this doubles as the support probe. */
private static boolean ensureEngine() {
if (engine != null) return true;
if (!KawarpEngine.isSupported()) return false;
try {
KawarpEngine e = new KawarpEngine();
e.setWarpIntensity(Float.intBitsToFloat(tk(0x52410001)));
e.setAnimationSpeed(Float.intBitsToFloat(tk(0x52410002)));
e.setScale(Float.intBitsToFloat(tk(0x52410003)));
e.setDithering(Float.intBitsToFloat(tk(0x52410004)));
e.setAutoDarken(Float.intBitsToFloat(tk(0x52410005)));
e.setPlaybackReactive(tk(0x52410006) != 0);
e.setBlurPasses(tk(0x52410007));
e.setContrast(Float.intBitsToFloat(tk(0x52410008)));
e.setSaturation(Float.intBitsToFloat(tk(0x52410009)));
e.setBrightness(Float.intBitsToFloat(tk(0x5241000a)));
engine = e;
return true;
} catch (Throwable t) {
fallbackState.setValue(Boolean.TRUE); // AGSL rejected: stay on the native backdrop
return false;
}
}
// Cover loading: a queued Kawarp is both the LOADER task and the request's Coil Target
private static void request(int albumId, String coverUuid) {
if (coverUuid == null || coverUuid.length() == 0 || coverUuid.equals(requestedUuid)) return;
if (loader == null) return; // attach() failed; retried next composition
requestedUuid = coverUuid;
LOADER.execute(new Kawarp(albumId, coverUuid, ++loadToken));
}
/**
* TIDAL's own backdrop request (PlayerBackgroundKt.rememberBlurredArtwork)
*/
public void run() {
try {
xd0.g tidal = new xd0.g(appContext, new b.a(String.valueOf(albumId), uuid),
null, null, false, null, null, false);
coil.request.h.a req = coil.request.h.a(com.tidal.android.image.coil.c.a(tidal, null));
coil.request.b d = req.b;
req.b = new coil.request.b(d.a, d.b, d.c, d.d, d.e, d.f, d.g, d.h,
d.i, d.j, CachePolicy.DISABLED);
req.d = this;
loader.b(req.a());
} catch (Throwable t) {
fail();
}
}
/** Target.onSuccess */
public void a(Drawable drawable) {
if (token != loadToken) return; // user skipped on
Bitmap cover = toBitmap(drawable);
if (cover == null) { fail(); return; }
// setCover copies, the bitmap stays Coil's (memory cache)
engine.setCover(cover);
}
/** Target.onStart - nothing to show while loading. */
public void b(Drawable placeholder) {}
/** Target.onError - not in any of TIDAL's stores. */
public void d(Drawable error) { fail(); }
private void fail() {
if (token == loadToken) requestedUuid = null;
}
private static Bitmap toBitmap(Drawable d) {
if (d == null) return null;
if (d instanceof BitmapDrawable) return ((BitmapDrawable) d).getBitmap();
Bitmap out = Bitmap.createBitmap(256, 256, Bitmap.Config.ARGB_8888);
d.setBounds(0, 0, 256, 256);
d.draw(new Canvas(out));
return out;
}
// Frame loop
public void doFrame(long frameTimeNanos) {
frameScheduled = false;
// Nothing has drawn for a while: the backdrop is off-screen, so stop burning frames.
if (SystemClock.uptimeMillis() - lastDrawUptime > IDLE_STOP_MS) return;
frameState.setIntValue(++frameTick);
schedule();
}
private static void schedule() {
if (frameScheduled) return;
frameScheduled = true;
Choreographer.getInstance().postFrameCallback(DRAW);
}
public Object invoke(Object scope) {
draw((DrawScope) scope);
return kotlin.u.a;
}
private static void draw(DrawScope scope) {
// Snapshot read: this is what ties the draw phase to the frame clock.
frameState.getIntValue();
lastDrawUptime = SystemClock.uptimeMillis();
schedule();
long packed = scope.getSizeNHjbRc();
float width = Size.getWidthImpl(packed);
float height = Size.getHeightImpl(packed);
try {
engine.draw(AndroidCanvas_androidKt.getNativeCanvas(scope.getDrawContext().getCanvas()),
width, height);
} catch (Throwable t) {
fallbackState.setValue(Boolean.TRUE); // AGSL draw failed: recompose onto p3.a
}
}
}