Add existing to tracked

node_modules/@cesium/engine/Source/Shaders/AdjustTranslucentFS.glsl

@@ -0,0 +1,27 @@
+#ifdef MRT
+layout (location = 0) out vec4 out_FragData_0;
+layout (location = 1) out vec4 out_FragData_1;
+#else
+layout (location = 0) out vec4 out_FragColor;
+#endif
+
+uniform vec4 u_bgColor;
+uniform sampler2D u_depthTexture;
+
+in vec2 v_textureCoordinates;
+
+void main()
+{
+    if (texture(u_depthTexture, v_textureCoordinates).r < 1.0)
+    {
+#ifdef MRT
+        out_FragData_0 = u_bgColor;
+        out_FragData_1 = vec4(u_bgColor.a);
+#else
+        out_FragColor = u_bgColor;
+#endif
+        return;
+    }
+    
+    discard;
+}