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Fix WebGL page cache and flip sequencing

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This commit is contained in:
Georg Tomitsch
2026-06-08 23:08:13 +02:00
parent a73dc5725f
commit 419691000c
7 changed files with 364 additions and 60 deletions
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public/js/sentence-queue-module.js
+11 -8
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@@ -165,7 +165,7 @@ class SentenceQueueModule extends BaseModule {
if (!this.isProcessing) {
this.processNextSentence();
} else {
this.prefetchAhead(4, this.queueGeneration);
this.prefetchAhead(6, this.queueGeneration);
}
}
@@ -204,14 +204,15 @@ class SentenceQueueModule extends BaseModule {
if (!this.isWebGLBookPresentationPrepared(sentence)) {
await this.prefetchWebGLBookPresentation(sentence, {
queueGeneration,
queueIndex: 0
queueIndex: 0,
immediate: true
});
}
if (!this.isCurrentQueueItem(item, queueGeneration)) return;
// Prefetch far enough ahead that media pauses do not block TTS
// generation for the next spoken paragraph.
this.prefetchAhead(4, queueGeneration);
this.prefetchAhead(6, queueGeneration);
if (!this.isCurrentQueueItem(item, queueGeneration)) return;
// Notify display handler with complete sentence
@@ -910,10 +911,12 @@ class SentenceQueueModule extends BaseModule {
sentence.animation = this.calculateAnimationTiming(words, sentence.tts?.duration || 0, sentence.cueMarkers || []);
}
await new Promise(resolve => {
const scheduler = window.requestIdleCallback || ((callback) => window.setTimeout(callback, 1));
scheduler(() => resolve(), { timeout: 120 });
});
if (!options.immediate) {
await new Promise(resolve => {
const scheduler = window.requestIdleCallback || ((callback) => window.setTimeout(callback, 1));
scheduler(() => resolve(), { timeout: 80 });
});
}
if (options.queueGeneration !== undefined && options.queueGeneration !== this.queueGeneration) return null;
const spread = typeof bookPagination.preparePendingBlock === 'function'
@@ -957,7 +960,7 @@ class SentenceQueueModule extends BaseModule {
return queueGeneration === this.queueGeneration && this.sentenceQueue[0] === item;
}
prefetchAhead(maxLookahead = 4, queueGeneration = this.queueGeneration) {
prefetchAhead(maxLookahead = 6, queueGeneration = this.queueGeneration) {
if (this.sentenceQueue.length <= 1) {
document.dispatchEvent(new CustomEvent('story:process-state', {
detail: { state: 'playing-ready', reason: 'no-prefetch-needed', sentenceId: this.sentenceQueue[0]?.id }