Add existing to tracked

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

@@ -0,0 +1,81 @@
+import ShaderBuilder from "../Renderer/ShaderBuilder.js";
+import RenderState from "../Renderer/RenderState.js";
+import DepthFunction from "../Scene/DepthFunction.js";
+import ModelAlphaOptions from "./Model/ModelAlphaOptions.js";
+import ShaderDestination from "../Renderer/ShaderDestination.js";
+
+function GaussianSplatRenderResources(primitive) {
+  const shaderBuilder = new ShaderBuilder();
+  /**
+   * An object used to build a shader incrementally. Each pipeline stage
+   * may add lines of shader code to this object.
+   *
+   * @type {ShaderBuilder}
+   * @readonly
+   *
+   * @private
+   */
+  this.shaderBuilder = shaderBuilder;
+
+  /**
+   * A dictionary mapping uniform name to functions that return the uniform
+   * values.
+   *
+   * @type {Object<string, Function>}
+   * @readonly
+   *
+   * @private
+   */
+  this.uniformMap = {};
+
+  /**
+   * An object storing options for creating a {@link RenderState}.
+   * The pipeline stages simply set the options, the render state is created
+   * when the {@link DrawCommand} is constructed.
+   *
+   * @type {object}
+   * @readonly
+   *
+   * @private
+   */
+  this.renderStateOptions = RenderState.getState(
+    RenderState.fromCache({
+      depthTest: {
+        enabled: true,
+        func: DepthFunction.LESS_OR_EQUAL,
+      },
+    }),
+  );
+
+  /**
+   * Options for configuring the alpha stage such as pass and alpha cutoff.
+   *
+   * @type {ModelAlphaOptions}
+   * @readonly
+   *
+   * @private
+   */
+  this.alphaOptions = new ModelAlphaOptions();
+
+  /**
+   * Whether the model is part of a tileset that uses the skipLevelOfDetail
+   * optimization. This value indicates what draw commands are needed and
+   * is set by TilesetPipelineStage.
+   *
+   * @type {boolean}
+   * @default false
+   *
+   * @private
+   */
+  this.hasSkipLevelOfDetail = false;
+
+  if (primitive._useLogDepth) {
+    shaderBuilder.addDefine(
+      "LOG_DEPTH_READ_ONLY",
+      undefined,
+      ShaderDestination.FRAGMENT,
+    );
+  }
+}
+
+export default GaussianSplatRenderResources;