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worker系统不支持sab回退到普通worker

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YHH
2025-09-28 20:22:06 +08:00
parent 1dfcd008aa
commit dedb91379f
6 changed files with 164 additions and 69 deletions
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40
packages/core/src/ECS/Systems/WorkerEntitySystem.ts
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@@ -246,15 +246,25 @@ export abstract class WorkerEntitySystem<TEntityData = any> extends EntitySystem
*/
private initializeSharedArrayBuffer(): void {
try {
// 检查是否支持SharedArrayBuffer
if (!this.isSharedArrayBufferSupported()) {
console.warn(`[${this.systemName}] SharedArrayBuffer not supported, falling back to traditional Worker mode`);
this.config.useSharedArrayBuffer = false;
return;
}
// 使用配置的实体数据大小和最大实体数量
// 预分配缓冲区：maxEntities * entityDataSize * 4字节
const bufferSize = this.config.maxEntities * this.config.entityDataSize * 4;
this.sharedBuffer = new SharedArrayBuffer(bufferSize);
this.sharedFloatArray = new Float32Array(this.sharedBuffer);
console.log(`[${this.systemName}] SharedArrayBuffer initialized successfully (${bufferSize} bytes)`);
} catch (error) {
console.warn(`[${this.systemName}] SharedArrayBuffer init failed:`, error);
console.warn(`[${this.systemName}] SharedArrayBuffer init failed, falling back to traditional Worker mode:`, error);
this.config.useSharedArrayBuffer = false;
this.sharedBuffer = null;
this.sharedFloatArray = null;
}
}
@@ -377,23 +387,31 @@ export abstract class WorkerEntitySystem<TEntityData = any> extends EntitySystem
try {
if (this.config.enableWorker && this.workerPool) {
if (this.config.useSharedArrayBuffer && this.sharedFloatArray) {
// 检查SharedArrayBuffer是否真正可用
if (this.config.useSharedArrayBuffer && this.sharedFloatArray && this.isSharedArrayBufferSupported()) {
// 使用SharedArrayBuffer优化的异步处理
this.processWithSharedArrayBuffer(entities).finally(() => {
this.isProcessing = false;
});
} else {
// 如果配置了SharedArrayBuffer但不可用，记录降级信息
if (this.config.useSharedArrayBuffer) {
console.log(`[${this.systemName}] Falling back to traditional Worker mode for this frame`);
}
// 传统Worker异步处理
this.processWithWorker(entities).finally(() => {
this.isProcessing = false;
});
}
} else {
// 同步处理（最后的fallback）
console.log(`[${this.systemName}] Worker not available, processing synchronously`);
this.processSynchronously(entities);
this.isProcessing = false;
}
} catch (error) {
this.isProcessing = false;
console.error(`[${this.systemName}] Processing failed:`, error);
throw error;
}
}
@@ -636,11 +654,27 @@ export abstract class WorkerEntitySystem<TEntityData = any> extends EntitySystem
enabled: boolean;
workerCount: number;
isProcessing: boolean;
sharedArrayBufferSupported: boolean;
sharedArrayBufferEnabled: boolean;
currentMode: 'shared-buffer' | 'worker' | 'sync';
} {
let currentMode: 'shared-buffer' | 'worker' | 'sync' = 'sync';
if (this.config.enableWorker && this.workerPool) {
if (this.config.useSharedArrayBuffer && this.sharedFloatArray && this.isSharedArrayBufferSupported()) {
currentMode = 'shared-buffer';
} else {
currentMode = 'worker';
}
}
return {
enabled: this.config.enableWorker,
workerCount: this.config.workerCount,
isProcessing: this.isProcessing
isProcessing: this.isProcessing,
sharedArrayBufferSupported: this.isSharedArrayBufferSupported(),
sharedArrayBufferEnabled: this.config.useSharedArrayBuffer,
currentMode
};
}