Add existing to tracked

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

@@ -0,0 +1,106 @@
+import Color from "../Core/Color.js";
+import destroyObject from "../Core/destroyObject.js";
+import ClearCommand from "../Renderer/ClearCommand.js";
+import FramebufferManager from "../Renderer/FramebufferManager.js";
+import PixelDatatype from "../Renderer/PixelDatatype.js";
+
+/**
+ * @private
+ */
+function SceneFramebuffer() {
+  this._numSamples = 1;
+  this._colorFramebuffer = new FramebufferManager({
+    depthStencil: true,
+    supportsDepthTexture: true,
+  });
+  this._idFramebuffer = new FramebufferManager({
+    depthStencil: true,
+    supportsDepthTexture: true,
+  });
+
+  this._idClearColor = new Color(0.0, 0.0, 0.0, 0.0);
+
+  this._clearCommand = new ClearCommand({
+    color: new Color(0.0, 0.0, 0.0, 0.0),
+    depth: 1.0,
+    owner: this,
+  });
+}
+
+function destroyResources(post) {
+  post._colorFramebuffer.destroy();
+  post._idFramebuffer.destroy();
+}
+
+Object.defineProperties(SceneFramebuffer.prototype, {
+  framebuffer: {
+    get: function () {
+      return this._colorFramebuffer.framebuffer;
+    },
+  },
+  idFramebuffer: {
+    get: function () {
+      return this._idFramebuffer.framebuffer;
+    },
+  },
+  depthStencilTexture: {
+    get: function () {
+      return this._colorFramebuffer.getDepthStencilTexture();
+    },
+  },
+});
+
+SceneFramebuffer.prototype.update = function (
+  context,
+  viewport,
+  hdr,
+  numSamples,
+) {
+  const width = viewport.width;
+  const height = viewport.height;
+  const pixelDatatype = hdr
+    ? context.halfFloatingPointTexture
+      ? PixelDatatype.HALF_FLOAT
+      : PixelDatatype.FLOAT
+    : PixelDatatype.UNSIGNED_BYTE;
+  this._numSamples = numSamples;
+  this._colorFramebuffer.update(
+    context,
+    width,
+    height,
+    numSamples,
+    pixelDatatype,
+  );
+  this._idFramebuffer.update(context, width, height);
+};
+
+SceneFramebuffer.prototype.clear = function (context, passState, clearColor) {
+  Color.clone(clearColor, this._clearCommand.color);
+  Color.clone(this._idClearColor, this._clearCommand.color);
+  this._colorFramebuffer.clear(context, this._clearCommand, passState);
+  this._idFramebuffer.clear(context, this._clearCommand, passState);
+};
+
+SceneFramebuffer.prototype.getFramebuffer = function () {
+  return this._colorFramebuffer.framebuffer;
+};
+
+SceneFramebuffer.prototype.getIdFramebuffer = function () {
+  return this._idFramebuffer.framebuffer;
+};
+
+SceneFramebuffer.prototype.prepareColorTextures = function (context) {
+  if (this._numSamples > 1) {
+    this._colorFramebuffer.prepareTextures(context);
+  }
+};
+
+SceneFramebuffer.prototype.isDestroyed = function () {
+  return false;
+};
+
+SceneFramebuffer.prototype.destroy = function () {
+  destroyResources(this);
+  return destroyObject(this);
+};
+export default SceneFramebuffer;