Add existing to tracked

node_modules/@cesium/engine/Source/Scene/GaussianSplatTextureGenerator.js

@@ -0,0 +1,64 @@
+import defined from "../Core/defined.js";
+import FeatureDetection from "../Core/FeatureDetection.js";
+import RuntimeError from "../Core/RuntimeError.js";
+import TaskProcessor from "../Core/TaskProcessor.js";
+
+function GaussianSplatTextureGenerator() {}
+
+GaussianSplatTextureGenerator._maxSortingConcurrency = Math.max(
+  FeatureDetection.hardwareConcurrency - 1,
+  1,
+);
+
+GaussianSplatTextureGenerator._textureTaskProcessor = undefined;
+GaussianSplatTextureGenerator._taskProcessorReady = false;
+GaussianSplatTextureGenerator._error = undefined;
+GaussianSplatTextureGenerator._getTextureTaskProcessor = function () {
+  if (!defined(GaussianSplatTextureGenerator._textureTaskProcessor)) {
+    const processor = new TaskProcessor(
+      "gaussianSplatTextureGenerator",
+      GaussianSplatTextureGenerator._maxSortingConcurrency,
+    );
+    processor
+      .initWebAssemblyModule({
+        wasmBinaryFile: "ThirdParty/wasm_splats_bg.wasm",
+      })
+      .then(function (result) {
+        if (result) {
+          GaussianSplatTextureGenerator._taskProcessorReady = true;
+        } else {
+          GaussianSplatTextureGenerator._error = new RuntimeError(
+            "Gaussian splat sorter could not be initialized.",
+          );
+        }
+      })
+      .catch((error) => {
+        GaussianSplatTextureGenerator._error = error;
+      });
+    GaussianSplatTextureGenerator._textureTaskProcessor = processor;
+  }
+
+  return GaussianSplatTextureGenerator._textureTaskProcessor;
+};
+
+GaussianSplatTextureGenerator.generateFromAttributes = function (parameters) {
+  const textureTaskProcessor =
+    GaussianSplatTextureGenerator._getTextureTaskProcessor();
+  if (defined(GaussianSplatTextureGenerator._error)) {
+    throw GaussianSplatTextureGenerator._error;
+  }
+
+  if (!GaussianSplatTextureGenerator._taskProcessorReady) {
+    return;
+  }
+
+  const { attributes } = parameters;
+  return textureTaskProcessor.scheduleTask(parameters, [
+    attributes.positions.buffer,
+    attributes.scales.buffer,
+    attributes.rotations.buffer,
+    attributes.colors.buffer,
+  ]);
+};
+
+export default GaussianSplatTextureGenerator;