Advance Blender 5.2 web parity through M12-03D

web/app/src/three-adapter/texture-assets.ts

@@ -22,6 +22,20 @@ export interface TextureUploadStatus {
   budget: PBRTextureBudgetReport;
 }
 
+export interface GPUTextureStoreStatsIR {
+  entries: number;
+  payloadBytes: number;
+  decodedGPUBytes: number;
+  keys: string[];
+}
+
+export interface GPUTextureStoreReleaseIR {
+  releasedTextures: number;
+  releasedPayloadBytes: number;
+  releasedGPUBytes: number;
+  resourcesAfter: 0;
+}
+
 function key(imageId: string, usage: GPUTextureUsage): string {
   return `${imageId}:${usage}`;
 }
@@ -67,6 +81,16 @@ export class GPUTextureStore {
     return this.assets.get(key(imageId, usage));
   }
 
+  stats(): GPUTextureStoreStatsIR {
+    const assets = [...this.assets.values()];
+    return {
+      entries: this.textures.size,
+      payloadBytes: assets.reduce((total, asset) => total + asset.byteLength, 0),
+      decodedGPUBytes: assets.reduce((total, asset) => total + asset.width * asset.height * 4, 0),
+      keys: [...this.textures.keys()].sort(),
+    };
+  }
+
   async upload(assets: readonly GPUTextureAsset[]): Promise<TextureUploadStatus> {
     const candidate = new Map(this.assets);
     for (const asset of assets) {
@@ -161,10 +185,17 @@ export class GPUTextureStore {
     return true;
   }
 
-  dispose(): void {
+  dispose(): GPUTextureStoreReleaseIR {
+    const before = this.stats();
     for (const texture of this.textures.values()) texture.dispose();
     this.textures.clear();
     this.assets.clear();
     this.udimTileCounts.clear();
+    return {
+      releasedTextures: before.entries,
+      releasedPayloadBytes: before.payloadBytes,
+      releasedGPUBytes: before.decodedGPUBytes,
+      resourcesAfter: 0,
+    };
   }
 }