From e30ff207986b97846bb58611688144ce8e2dc3b4 Mon Sep 17 00:00:00 2001
From: YoussefV <youssefvictor@gmail.com>
Date: Mon, 27 Apr 2020 12:26:52 -0400
Subject: [PATCH 1/5] fixing highp issue, testing using CI

---
 Source/Scene/BatchTable.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/Scene/BatchTable.js b/Source/Scene/BatchTable.js
index 8675ed821a8f..a6b130ff334a 100644
--- a/Source/Scene/BatchTable.js
+++ b/Source/Scene/BatchTable.js
@@ -579,7 +579,7 @@ BatchTable.prototype.getVertexShaderCallback = function () {
     };
   }
 
-  var batchTableShader = "uniform sampler2D batchTexture; \n";
+  var batchTableShader = "uniform highp sampler2D batchTexture; \n";
   batchTableShader += getGlslComputeSt(this) + "\n";
 
   var length = attributes.length;

From fa5701cc7a45767aa166bd8863873d853be8ac17 Mon Sep 17 00:00:00 2001
From: YoussefV <youssefvictor@gmail.com>
Date: Tue, 28 Apr 2020 15:36:17 -0400
Subject: [PATCH 2/5] Removed reliance on batchTables, specs pass now

---
 CHANGES.md                                    |  20 +-
 Source/Renderer/Context.js                    |  15 -
 Source/Renderer/checkFloatTexturePrecision.js |  88 -----
 Source/Scene/ClassificationPrimitive.js       |   3 +-
 Source/Scene/GroundPrimitive.js               |   5 +-
 Source/Scene/ShadowVolumeAppearance.js        | 218 +----------
 .../Shaders/CheckFloatTexturePrecisionFS.glsl |   8 -
 Source/Shaders/ShadowVolumeAppearanceFS.glsl  |  12 +-
 Source/Shaders/ShadowVolumeAppearanceVS.glsl  | 108 ------
 Specs/Renderer/ContextSpec.js                 |   4 +-
 .../checkFloatTexturePrecisionSpec.js         |  44 ---
 Specs/Scene/ShadowVolumeAppearanceSpec.js     | 349 +-----------------
 12 files changed, 51 insertions(+), 823 deletions(-)
 delete mode 100644 Source/Renderer/checkFloatTexturePrecision.js
 delete mode 100644 Source/Shaders/CheckFloatTexturePrecisionFS.glsl
 delete mode 100644 Specs/Renderer/checkFloatTexturePrecisionSpec.js

diff --git a/CHANGES.md b/CHANGES.md
index 4ba54958bf61..b88c8ed30890 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -206,6 +206,8 @@ var viewer = new Viewer("cesiumContainer", {
 
 ##### Fixes :wrench:
 
+<<<<<<< HEAD
+
 - Fixed labels not showing for individual entities in data sources when clustering is enabled. [#6087](https://github.com/CesiumGS/cesium/issues/6087)
 - Fixed an issue where polygons, corridors, rectangles, and ellipses on terrain would not render on some mobile devices. [#6739](https://github.com/CesiumGS/cesium/issues/6739)
 - Fixed a bug where GlobeSurfaceTile would not render the tile until all layers completed loading causing globe to appear to hang. [#7974](https://github.com/CesiumGS/cesium/issues/7974)
@@ -224,7 +226,23 @@ var viewer = new Viewer("cesiumContainer", {
 - Reduced size of approximateTerrainHeights.json [#7959](https://github.com/CesiumGS/cesium/pull/7959)
 - Fixed undefined `quadDetails` error from zooming into the map really close. [#8011](https://github.com/CesiumGS/cesium/pull/8011)
 - Fixed a crash for 3D Tiles that have zero volume. [#7945](https://github.com/CesiumGS/cesium/pull/7945)
-- Fixed relative-to-center check, `depthFailAppearance` resource freeing for `Primitive` [#8044](https://github.com/CesiumGS/cesium/pull/8044)
+- # Fixed relative-to-center check, `depthFailAppearance` resource freeing for `Primitive` [#8044](https://github.com/CesiumGS/cesium/pull/8044)
+
+* `Camera.flyTo` flies to the correct location in 2D when the destination crosses the international date line [#7909](https://github.com/AnalyticalGraphicsInc/cesium/pull/7909)
+* Fixed 3D tiles style coloring when multiple tilesets are in the scene [#8051](https://github.com/AnalyticalGraphicsInc/cesium/pull/8051)
+* Improved display of tile coordinates for `TileCoordinatesImageryProvider` [#8131](https://github.com/AnalyticalGraphicsInc/cesium/pull/8131)
+* Fixed relative-to-center check, `depthFailAppearance` resource freeing for `Primitive` [#8044](https://github.com/AnalyticalGraphicsInc/cesium/pull/8044)
+* Reduces size of approximateTerrainHeights.json by rounding the numbers [#7959](https://github.com/AnalyticalGraphicsInc/cesium/pull/7959)
+* Fixed undefined `quadDetails` error from zooming into the map really close. [#8011](https://github.com/AnalyticalGraphicsInc/cesium/pull/8011)
+* Fixed a bug where extruded polygons would sometimes be missing segments. [#8035](https://github.com/AnalyticalGraphicsInc/cesium/pull/8035)
+* 3D Tiles geometric error now scales with transform. [#8182](https://github.com/AnalyticalGraphicsInc/cesium/pull/8182)
+* Fixed per-feature post processing from sometimes selecting the wrong feature. [#7929](https://github.com/AnalyticalGraphicsInc/cesium/pull/7929)
+* Fixed labels not showing for individual entities in data sources when clustering is enabled. [#6087](https://github.com/AnalyticalGraphicsInc/cesium/issues/6087)
+* Fixed a crash for 3D Tiles that have zero volume. [#7945](https://github.com/AnalyticalGraphicsInc/cesium/pull/7945)
+* Fixed a bug where dynamic polylines did not use the given arcType. [#8191](https://github.com/AnalyticalGraphicsInc/cesium/issues/8191)
+* Fixed a bug where GlobeSurfaceTile would not render the tile until all layers completed loading causing globe to appear to hang. [#7974](https://github.com/AnalyticalGraphicsInc/cesium/issues/7974)
+* Fixed alpha equation for `BlendingState.ALPHA_BLEND` and `BlendingState.ADDITIVE_BLEND`. [#8202](https://github.com/AnalyticalGraphicsInc/cesium/pull/8202)
+  > > > > > > > parent of 8bd1c61c17... Merge pull request #7421 from AnalyticalGraphicsInc/mtls-on-groundPrimitives-iOS
 
 ### 1.61 - 2019-09-03
 
diff --git a/Source/Renderer/Context.js b/Source/Renderer/Context.js
index dcc832b4170e..d253b8a22ebe 100644
--- a/Source/Renderer/Context.js
+++ b/Source/Renderer/Context.js
@@ -16,7 +16,6 @@ import RuntimeError from "../Core/RuntimeError.js";
 import WebGLConstants from "../Core/WebGLConstants.js";
 import ViewportQuadVS from "../Shaders/ViewportQuadVS.js";
 import BufferUsage from "./BufferUsage.js";
-import checkFloatTexturePrecision from "./checkFloatTexturePrecision.js";
 import ClearCommand from "./ClearCommand.js";
 import ContextLimits from "./ContextLimits.js";
 import CubeMap from "./CubeMap.js";
@@ -506,8 +505,6 @@ function Context(canvas, options) {
   this.cache = {};
 
   RenderState.apply(gl, rs, ps);
-
-  this._floatTexSixPlaces = checkFloatTexturePrecision(this);
 }
 
 var defaultFramebufferMarker = {};
@@ -662,18 +659,6 @@ Object.defineProperties(Context.prototype, {
     },
   },
 
-  /**
-   * Returns <code>true</code> if the context's floating point textures support 6 decimal places of precision.
-   * @memberof Context.prototype
-   * @type {Boolean}
-   * @see {@link https://www.khronos.org/registry/webgl/extensions/OES_texture_float/}
-   */
-  floatTextureSixPlaces: {
-    get: function () {
-      return this._floatTexSixPlaces;
-    },
-  },
-
   /**
    * <code>true</code> if OES_texture_half_float is supported. This extension provides
    * access to floating point textures that, for example, can be attached to framebuffers for high dynamic range.
diff --git a/Source/Renderer/checkFloatTexturePrecision.js b/Source/Renderer/checkFloatTexturePrecision.js
deleted file mode 100644
index 7132ba2146ae..000000000000
--- a/Source/Renderer/checkFloatTexturePrecision.js
+++ /dev/null
@@ -1,88 +0,0 @@
-import PixelFormat from "../Core/PixelFormat.js";
-import CheckFloatTexturePrecisionFS from "../Shaders/CheckFloatTexturePrecisionFS.js";
-import ComputeCommand from "./ComputeCommand.js";
-import ComputeEngine from "./ComputeEngine.js";
-import Framebuffer from "./Framebuffer.js";
-import PixelDatatype from "./PixelDatatype.js";
-import Texture from "./Texture.js";
-
-/**
- * Checks if the context's floating point textures support 6 decimal places of precision.
- *
- * @param {Context} context A context wrapping a gl implementation.
- * @returns {Boolean} Whether or not the context's floating point textures support 6 decimal places of precision
- *
- * @private
- */
-function checkFloatTexturePrecision(context) {
-  if (!context.floatingPointTexture) {
-    return false;
-  }
-
-  var computeEngine = new ComputeEngine(context);
-  var outputTexture = new Texture({
-    context: context,
-    width: 1,
-    height: 1,
-    pixelFormat: PixelFormat.RGBA,
-  });
-
-  var floatTexture = new Texture({
-    context: context,
-    width: 1,
-    height: 1,
-    pixelFormat: PixelFormat.RGBA,
-    pixelDatatype: checkFloatTexturePrecision._getFloatPixelType(),
-    source: {
-      width: 1,
-      height: 1,
-      arrayBufferView: checkFloatTexturePrecision._getArray([123456, 0, 0, 0]),
-    },
-  });
-
-  var framebuffer = new Framebuffer({
-    context: context,
-    colorTextures: [outputTexture],
-    destroyAttachments: false,
-  });
-
-  var readState = {
-    framebuffer: framebuffer,
-    x: 0,
-    y: 0,
-    width: 1,
-    height: 1,
-  };
-
-  var sixPlaces = false;
-  var computeCommand = new ComputeCommand({
-    fragmentShaderSource: CheckFloatTexturePrecisionFS,
-    outputTexture: outputTexture,
-    uniformMap: {
-      u_floatTexture: function () {
-        return floatTexture;
-      },
-    },
-    persists: false,
-    postExecute: function () {
-      var pixel = context.readPixels(readState);
-      sixPlaces = pixel[0] === 0;
-    },
-  });
-
-  computeCommand.execute(computeEngine);
-
-  computeEngine.destroy();
-  framebuffer.destroy();
-
-  return sixPlaces;
-}
-
-checkFloatTexturePrecision._getFloatPixelType = function () {
-  return PixelDatatype.FLOAT;
-};
-
-checkFloatTexturePrecision._getArray = function (array) {
-  return new Float32Array(array);
-};
-export default checkFloatTexturePrecision;
diff --git a/Source/Scene/ClassificationPrimitive.js b/Source/Scene/ClassificationPrimitive.js
index e269fe2d0161..47012dac112a 100644
--- a/Source/Scene/ClassificationPrimitive.js
+++ b/Source/Scene/ClassificationPrimitive.js
@@ -589,8 +589,7 @@ function createShaderProgram(classificationPrimitive, frameState) {
   var shadowVolumeAppearance = new ShadowVolumeAppearance(
     cullFragmentsUsingExtents,
     planarExtents,
-    classificationPrimitive.appearance,
-    context.floatTextureSixPlaces
+    classificationPrimitive.appearance
   );
 
   classificationPrimitive._spStencil = ShaderProgram.replaceCache({
diff --git a/Source/Scene/GroundPrimitive.js b/Source/Scene/GroundPrimitive.js
index 232192eada10..943e508d9157 100644
--- a/Source/Scene/GroundPrimitive.js
+++ b/Source/Scene/GroundPrimitive.js
@@ -805,14 +805,12 @@ GroundPrimitive.prototype.update = function (frameState) {
         var textureCoordinateRotationPoints =
           geometry.textureCoordinateRotationPoints;
 
-        var useFloatBatchTable = frameState.context.floatTextureSixPlaces;
         if (usePlanarExtents) {
           attributes = ShadowVolumeAppearance.getPlanarTextureCoordinateAttributes(
             boundingRectangle,
             textureCoordinateRotationPoints,
             ellipsoid,
             frameState.mapProjection,
-            useFloatBatchTable,
             this._maxHeight
           );
         } else {
@@ -820,8 +818,7 @@ GroundPrimitive.prototype.update = function (frameState) {
             boundingRectangle,
             textureCoordinateRotationPoints,
             ellipsoid,
-            frameState.mapProjection,
-            useFloatBatchTable
+            frameState.mapProjection
           );
         }
 
diff --git a/Source/Scene/ShadowVolumeAppearance.js b/Source/Scene/ShadowVolumeAppearance.js
index 33b3d050a3bf..6cfa05ff7aa4 100644
--- a/Source/Scene/ShadowVolumeAppearance.js
+++ b/Source/Scene/ShadowVolumeAppearance.js
@@ -21,20 +21,13 @@ import ShadowVolumeAppearanceFS from "../Shaders/ShadowVolumeAppearanceFS.js";
  * @param {Boolean} extentsCulling Discard fragments outside the instance's texture coordinate extents.
  * @param {Boolean} planarExtents If true, texture coordinates will be computed using planes instead of spherical coordinates.
  * @param {Appearance} appearance An Appearance to be used with a ClassificationPrimitive via GroundPrimitive.
- * @param {Boolean} useFloatBatchTable Whether or not the ShadowVolumeAppearance should use floating point batch table values.
  * @private
  */
-function ShadowVolumeAppearance(
-  extentsCulling,
-  planarExtents,
-  appearance,
-  useFloatBatchTable
-) {
+function ShadowVolumeAppearance(extentsCulling, planarExtents, appearance) {
   //>>includeStart('debug', pragmas.debug);
   Check.typeOf.bool("extentsCulling", extentsCulling);
   Check.typeOf.bool("planarExtents", planarExtents);
   Check.typeOf.object("appearance", appearance);
-  Check.typeOf.bool("useFloatBatchTable", useFloatBatchTable);
   //>>includeEnd('debug');
 
   this._projectionExtentDefines = {
@@ -44,8 +37,6 @@ function ShadowVolumeAppearance(
     westMostYlowDefine: "",
   };
 
-  this._useFloatBatchTable = useFloatBatchTable;
-
   // Compute shader dependencies
   var colorShaderDependencies = new ShaderDependencies();
   colorShaderDependencies.requiresTextureCoordinates = extentsCulling;
@@ -211,7 +202,6 @@ ShadowVolumeAppearance.prototype.createVertexShader = function (
     vertexShaderSource,
     this._appearance,
     mapProjection,
-    this._useFloatBatchTable,
     this._projectionExtentDefines
   );
 };
@@ -245,7 +235,6 @@ ShadowVolumeAppearance.prototype.createPickVertexShader = function (
     vertexShaderSource,
     undefined,
     mapProjection,
-    this._useFloatBatchTable,
     this._projectionExtentDefines
   );
 };
@@ -264,7 +253,6 @@ function createShadowVolumeAppearanceVS(
   vertexShaderSource,
   appearance,
   mapProjection,
-  useFloatBatchTable,
   projectionExtentDefines
 ) {
   var allDefines = defines.slice();
@@ -327,10 +315,6 @@ function createShadowVolumeAppearanceVS(
     }
   }
 
-  if (!useFloatBatchTable) {
-    allDefines.push("UINT8_PACKING");
-  }
-
   return new ShaderSource({
     defines: allDefines,
     sources: [vertexShaderSource],
@@ -493,86 +477,12 @@ function addTextureCoordinateRotationAttributes(
   });
 }
 
-function encodeLowLessThan100k(value, valueName, attributes) {
-  // Encode a value like 12,345.678 to 4 uint8 values: 12 34 56 78
-  var fract = Math.abs(value);
-  var d12 = Math.floor(fract / 1000);
-  fract -= d12 * 1000; // 345.678
-  var d34 = Math.floor(fract / 10);
-  fract -= d34 * 10; // 5.678
-  var d56 = Math.floor(fract * 10);
-  fract -= d56 * 0.1; // 0.078
-  var d78 = Math.floor(fract * 1000);
-
-  if (value < 0) {
-    d12 = 255 - d12;
-  }
-
-  attributes[valueName] = new GeometryInstanceAttribute({
-    componentDatatype: ComponentDatatype.UNSIGNED_BYTE,
-    componentsPerAttribute: 4,
-    normalize: false,
-    value: [d12, d34, d56, d78],
-  });
-}
-
-function encodeHighLessThan100Million(value, valueName, attributes) {
-  // Encode a value like -12,345,678 to 4 uint8 values: sign+12 34 56 78
-  var fract = Math.abs(value);
-  var d12 = Math.floor(fract / 1000000);
-  fract -= d12 * 1000000; // 345678
-  var d34 = Math.floor(fract / 10000);
-  fract -= d34 * 10000; // 5678
-  var d56 = Math.floor(fract / 100);
-  fract -= d56 * 100; // 78
-  var d78 = Math.floor(fract);
-
-  if (value < 0) {
-    d12 = 255 - d12;
-  }
-
-  attributes[valueName] = new GeometryInstanceAttribute({
-    componentDatatype: ComponentDatatype.UNSIGNED_BYTE,
-    componentsPerAttribute: 4,
-    normalize: false,
-    value: [d12, d34, d56, d78],
-  });
-}
-
-function encodeLessThan1000k(value, valueName, attributes) {
-  // Encode a value like -123456.78 to 4 uint8 values sign+12 34 56 78
-  var fract = Math.abs(value);
-  var d12 = Math.floor(fract / 10000);
-  fract -= d12 * 10000; // 3456.78
-  var d34 = Math.floor(fract / 100);
-  fract -= d34 * 100; // 56.78
-  var d56 = Math.floor(fract);
-  fract -= d56; // 0.78
-  var d78 = Math.floor(fract / 0.001);
-
-  if (value < 0) {
-    d12 = 255 - d12;
-  }
-
-  attributes[valueName] = new GeometryInstanceAttribute({
-    componentDatatype: ComponentDatatype.UNSIGNED_BYTE,
-    componentsPerAttribute: 4,
-    normalize: false,
-    value: [d12, d34, d56, d78],
-  });
-}
-
 var cartographicScratch = new Cartographic();
 var cornerScratch = new Cartesian3();
 var northWestScratch = new Cartesian3();
 var southEastScratch = new Cartesian3();
 var highLowScratch = { high: 0.0, low: 0.0 };
-function add2DTextureCoordinateAttributes(
-  rectangle,
-  projection,
-  attributes,
-  useFloatBatchTable
-) {
+function add2DTextureCoordinateAttributes(rectangle, projection, attributes) {
   // Compute corner positions in double precision
   var carto = cartographicScratch;
   carto.height = 0.0;
@@ -597,29 +507,9 @@ function add2DTextureCoordinateAttributes(
   // z: y value for northWest
   // w: x value for southEast
 
-  var encoded;
-  if (!useFloatBatchTable) {
-    encoded = EncodedCartesian3.encode(southWestCorner.x, highLowScratch);
-    encodeHighLessThan100Million(encoded.high, "planes2D_HIGH_x", attributes);
-    encodeLowLessThan100k(encoded.low, "planes2D_LOW_x", attributes);
-
-    encoded = EncodedCartesian3.encode(southWestCorner.y, highLowScratch);
-    encodeHighLessThan100Million(encoded.high, "planes2D_HIGH_y", attributes);
-    encodeLowLessThan100k(encoded.low, "planes2D_LOW_y", attributes);
-
-    encoded = EncodedCartesian3.encode(northWest.y, highLowScratch);
-    encodeHighLessThan100Million(encoded.high, "planes2D_HIGH_z", attributes);
-    encodeLowLessThan100k(encoded.low, "planes2D_LOW_z", attributes);
-
-    encoded = EncodedCartesian3.encode(southEast.x, highLowScratch);
-    encodeHighLessThan100Million(encoded.high, "planes2D_HIGH_w", attributes);
-    encodeLowLessThan100k(encoded.low, "planes2D_LOW_w", attributes);
-    return;
-  }
-
   var valuesHigh = [0, 0, 0, 0];
   var valuesLow = [0, 0, 0, 0];
-  encoded = EncodedCartesian3.encode(southWestCorner.x, highLowScratch);
+  var encoded = EncodedCartesian3.encode(southWestCorner.x, highLowScratch);
   valuesHigh[0] = encoded.high;
   valuesLow[0] = encoded.low;
 
@@ -782,7 +672,6 @@ var encodeScratch = new EncodedCartesian3();
  * @param {Number[]} textureCoordinateRotationPoints Points in the computed texture coordinate system for remapping texture coordinates
  * @param {Ellipsoid} ellipsoid Ellipsoid for converting Rectangle points to world coordinates
  * @param {MapProjection} projection The MapProjection used for 2D and Columbus View.
- * @param {Boolean} useFloatBatchTable Whether or not the ShadowVolumeAppearance should use floating point batch table values.
  * @param {Number} [height=0] The maximum height for the shadow volume.
  * @returns {Object} An attributes dictionary containing planar texture coordinate attributes.
  */
@@ -791,7 +680,6 @@ ShadowVolumeAppearance.getPlanarTextureCoordinateAttributes = function (
   textureCoordinateRotationPoints,
   ellipsoid,
   projection,
-  useFloatBatchTable,
   height
 ) {
   //>>includeStart('debug', pragmas.debug);
@@ -802,7 +690,6 @@ ShadowVolumeAppearance.getPlanarTextureCoordinateAttributes = function (
   );
   Check.typeOf.object("ellipsoid", ellipsoid);
   Check.typeOf.object("projection", projection);
-  Check.typeOf.bool("useFloatBatchTable", useFloatBatchTable);
   //>>includeEnd('debug');
 
   var corner = cornerScratch;
@@ -825,34 +712,6 @@ ShadowVolumeAppearance.getPlanarTextureCoordinateAttributes = function (
 
   var encoded = EncodedCartesian3.fromCartesian(corner, encodeScratch);
 
-  if (!useFloatBatchTable) {
-    var high = encoded.high;
-    encodeHighLessThan100Million(high.x, "southWest_HIGH_x", attributes);
-    encodeHighLessThan100Million(high.y, "southWest_HIGH_y", attributes);
-    encodeHighLessThan100Million(high.z, "southWest_HIGH_z", attributes);
-
-    var low = encoded.low;
-    encodeLowLessThan100k(low.x, "southWest_LOW_x", attributes);
-    encodeLowLessThan100k(low.y, "southWest_LOW_y", attributes);
-    encodeLowLessThan100k(low.z, "southWest_LOW_z", attributes);
-
-    encodeLessThan1000k(eastward.x, "eastward_x", attributes);
-    encodeLessThan1000k(eastward.y, "eastward_y", attributes);
-    encodeLessThan1000k(eastward.z, "eastward_z", attributes);
-
-    encodeLessThan1000k(northward.x, "northward_x", attributes);
-    encodeLessThan1000k(northward.y, "northward_y", attributes);
-    encodeLessThan1000k(northward.z, "northward_z", attributes);
-
-    add2DTextureCoordinateAttributes(
-      boundingRectangle,
-      projection,
-      attributes,
-      false
-    );
-    return attributes;
-  }
-
   attributes.southWest_HIGH = new GeometryInstanceAttribute({
     componentDatatype: ComponentDatatype.FLOAT,
     componentsPerAttribute: 3,
@@ -878,12 +737,7 @@ ShadowVolumeAppearance.getPlanarTextureCoordinateAttributes = function (
     value: Cartesian3.pack(northward, [0, 0, 0]),
   });
 
-  add2DTextureCoordinateAttributes(
-    boundingRectangle,
-    projection,
-    attributes,
-    true
-  );
+  add2DTextureCoordinateAttributes(boundingRectangle, projection, attributes);
   return attributes;
 };
 
@@ -936,15 +790,13 @@ var sphericalScratch = new Cartesian2();
  * @param {Number[]} textureCoordinateRotationPoints Points in the computed texture coordinate system for remapping texture coordinates
  * @param {Ellipsoid} ellipsoid Ellipsoid for converting Rectangle points to world coordinates
  * @param {MapProjection} projection The MapProjection used for 2D and Columbus View.
- * @param {Boolean} useFloatBatchTable Whether or not the ShadowVolumeAppearance should use floating point batch table values.
  * @returns {Object} An attributes dictionary containing spherical texture coordinate attributes.
  */
 ShadowVolumeAppearance.getSphericalExtentGeometryInstanceAttributes = function (
   boundingRectangle,
   textureCoordinateRotationPoints,
   ellipsoid,
-  projection,
-  useFloatBatchTable
+  projection
 ) {
   //>>includeStart('debug', pragmas.debug);
   Check.typeOf.object("boundingRectangle", boundingRectangle);
@@ -954,7 +806,6 @@ ShadowVolumeAppearance.getSphericalExtentGeometryInstanceAttributes = function (
   );
   Check.typeOf.object("ellipsoid", ellipsoid);
   Check.typeOf.object("projection", projection);
-  Check.typeOf.bool("useFloatBatchTable", useFloatBatchTable);
   //>>includeEnd('debug');
 
   // rectangle cartographic coords !== spherical because it's on an ellipsoid
@@ -1014,19 +865,14 @@ ShadowVolumeAppearance.getSphericalExtentGeometryInstanceAttributes = function (
     attributes,
     textureCoordinateRotationPoints
   );
-  add2DTextureCoordinateAttributes(
-    boundingRectangle,
-    projection,
-    attributes,
-    useFloatBatchTable
-  );
+  add2DTextureCoordinateAttributes(boundingRectangle, projection, attributes);
   return attributes;
 };
 
 ShadowVolumeAppearance.hasAttributesForTextureCoordinatePlanes = function (
   attributes
 ) {
-  var hasFloatAttributes =
+  return (
     defined(attributes.southWest_HIGH) &&
     defined(attributes.southWest_LOW) &&
     defined(attributes.northward) &&
@@ -1034,61 +880,21 @@ ShadowVolumeAppearance.hasAttributesForTextureCoordinatePlanes = function (
     defined(attributes.planes2D_HIGH) &&
     defined(attributes.planes2D_LOW) &&
     defined(attributes.uMaxVmax) &&
-    defined(attributes.uvMinAndExtents);
-
-  var hasUint8Attributes =
-    defined(attributes.southWest_HIGH_x) &&
-    defined(attributes.southWest_LOW_x) &&
-    defined(attributes.southWest_HIGH_y) &&
-    defined(attributes.southWest_LOW_y) &&
-    defined(attributes.southWest_HIGH_z) &&
-    defined(attributes.southWest_LOW_z) &&
-    defined(attributes.northward_x) &&
-    defined(attributes.eastward_x) &&
-    defined(attributes.northward_y) &&
-    defined(attributes.eastward_y) &&
-    defined(attributes.northward_z) &&
-    defined(attributes.eastward_z) &&
-    defined(attributes.planes2D_HIGH_x) &&
-    defined(attributes.planes2D_LOW_x) &&
-    defined(attributes.planes2D_HIGH_y) &&
-    defined(attributes.planes2D_LOW_y) &&
-    defined(attributes.planes2D_HIGH_z) &&
-    defined(attributes.planes2D_LOW_z) &&
-    defined(attributes.planes2D_HIGH_w) &&
-    defined(attributes.planes2D_LOW_w) &&
-    defined(attributes.uMaxVmax) &&
-    defined(attributes.uvMinAndExtents);
-
-  return hasFloatAttributes || hasUint8Attributes;
+    defined(attributes.uvMinAndExtents)
+  );
 };
 
 ShadowVolumeAppearance.hasAttributesForSphericalExtents = function (
   attributes
 ) {
-  var hasFloatAttributes =
+  return (
     defined(attributes.sphericalExtents) &&
     defined(attributes.longitudeRotation) &&
     defined(attributes.planes2D_HIGH) &&
     defined(attributes.planes2D_LOW) &&
     defined(attributes.uMaxVmax) &&
-    defined(attributes.uvMinAndExtents);
-
-  var hasUint8Attributes =
-    defined(attributes.sphericalExtents) &&
-    defined(attributes.longitudeRotation) &&
-    defined(attributes.planes2D_HIGH_x) &&
-    defined(attributes.planes2D_LOW_x) &&
-    defined(attributes.planes2D_HIGH_y) &&
-    defined(attributes.planes2D_LOW_y) &&
-    defined(attributes.planes2D_HIGH_z) &&
-    defined(attributes.planes2D_LOW_z) &&
-    defined(attributes.planes2D_HIGH_w) &&
-    defined(attributes.planes2D_LOW_w) &&
-    defined(attributes.uMaxVmax) &&
-    defined(attributes.uvMinAndExtents);
-
-  return hasFloatAttributes || hasUint8Attributes;
+    defined(attributes.uvMinAndExtents)
+  );
 };
 
 function shouldUseSpherical(rectangle) {
diff --git a/Source/Shaders/CheckFloatTexturePrecisionFS.glsl b/Source/Shaders/CheckFloatTexturePrecisionFS.glsl
deleted file mode 100644
index 8f77d167cef5..000000000000
--- a/Source/Shaders/CheckFloatTexturePrecisionFS.glsl
+++ /dev/null
@@ -1,8 +0,0 @@
-uniform sampler2D u_floatTexture;
-
-void main()
-{
-    float actual = texture2D(u_floatTexture, vec2(0.5, 0.5)).r;
-    float expected = 123456.0;
-    gl_FragColor = vec4(abs(actual - expected), 0.0, 0.0, 1.0);
-}
diff --git a/Source/Shaders/ShadowVolumeAppearanceFS.glsl b/Source/Shaders/ShadowVolumeAppearanceFS.glsl
index 1f9de9b4f924..1231a8b0cbae 100644
--- a/Source/Shaders/ShadowVolumeAppearanceFS.glsl
+++ b/Source/Shaders/ShadowVolumeAppearanceFS.glsl
@@ -20,14 +20,12 @@ varying vec4 v_color;
 #endif
 
 #ifdef NORMAL_EC
-vec3 getEyeCoordinate3FromWindowCoordinate(vec2 fragCoord, float logDepthOrDepth)
-{
+vec3 getEyeCoordinate3FromWindowCoordinate(vec2 fragCoord, float logDepthOrDepth) {
     vec4 eyeCoordinate = czm_windowToEyeCoordinates(fragCoord, logDepthOrDepth);
     return eyeCoordinate.xyz / eyeCoordinate.w;
 }
 
-vec3 vectorFromOffset(vec4 eyeCoordinate, vec2 positiveOffset)
-{
+vec3 vectorFromOffset(vec4 eyeCoordinate, vec2 positiveOffset) {
     vec2 glFragCoordXY = gl_FragCoord.xy;
     // Sample depths at both offset and negative offset
     float upOrRightLogDepth = czm_unpackDepth(texture2D(czm_globeDepthTexture, (glFragCoordXY + positiveOffset) / czm_viewport.zw));
@@ -73,8 +71,7 @@ void main(void)
 
 #ifdef PICK
 #ifdef CULL_FRAGMENTS
-    if (0.0 <= uv.x && uv.x <= 1.0 && 0.0 <= uv.y && uv.y <= 1.0)
-    {
+    if (0.0 <= uv.x && uv.x <= 1.0 && 0.0 <= uv.y && uv.y <= 1.0) {
         gl_FragColor.a = 1.0; // 0.0 alpha leads to discard from ShaderSource.createPickFragmentShaderSource
         czm_writeDepthClampedToFarPlane();
     }
@@ -84,8 +81,7 @@ void main(void)
 #else // PICK
 
 #ifdef CULL_FRAGMENTS
-    if (uv.x <= 0.0 || 1.0 <= uv.x || uv.y <= 0.0 || 1.0 <= uv.y)
-    {
+    if (uv.x <= 0.0 || 1.0 <= uv.x || uv.y <= 0.0 || 1.0 <= uv.y) {
         discard;
     }
 #endif
diff --git a/Source/Shaders/ShadowVolumeAppearanceVS.glsl b/Source/Shaders/ShadowVolumeAppearanceVS.glsl
index b5d486c7de68..0f2b1c456a3b 100644
--- a/Source/Shaders/ShadowVolumeAppearanceVS.glsl
+++ b/Source/Shaders/ShadowVolumeAppearanceVS.glsl
@@ -25,88 +25,6 @@ varying vec3 v_uMaxAndInverseDistance;
 varying vec3 v_vMaxAndInverseDistance;
 #endif // TEXTURE_COORDINATES
 
-#if defined(TEXTURE_COORDINATES) && !defined(SPHERICAL) && defined(UINT8_PACKING)
-vec4 clampAndMagnitude(vec4 sd)
-{
-    vec4 d = sd;
-    d.x = czm_branchFreeTernary(sd.x < 128.0, d.x, (255.0 - sd.x));
-    d.x = floor(0.5 + d.x);
-    d.y = floor(0.5 + d.y);
-    d.z = floor(0.5 + d.z);
-    d.w = floor(0.5 + d.w);
-    return d;
-}
-
-float unpackLowLessThan100k(vec4 sd)
-{
-    vec4 d = clampAndMagnitude(sd);
-    return (1000.0 * d.x + 10.0 * d.y + 0.1 * d.z + 0.001 * d.w) * czm_branchFreeTernary(sd.x < 128.0, 1.0, -1.0);
-}
-
-vec3 southwest_LOW(vec4 x, vec4 y, vec4 z)
-{
-    vec3 value;
-    value.x = unpackLowLessThan100k(x);
-    value.y = unpackLowLessThan100k(y);
-    value.z = unpackLowLessThan100k(z);
-    return value;
-}
-
-float unpackHighMagLessThan100Million(vec4 sd)
-{
-    vec4 d = clampAndMagnitude(sd);
-    return (1000000.0 * d.x + 10000.0 * d.y + 100.0 * d.z + d.w) * czm_branchFreeTernary(sd.x < 128.0, 1.0, -1.0);
-}
-
-vec3 southwest_HIGH(vec4 x, vec4 y, vec4 z)
-{
-    vec3 value;
-    value.x = unpackHighMagLessThan100Million(x);
-    value.y = unpackHighMagLessThan100Million(y);
-    value.z = unpackHighMagLessThan100Million(z);
-    return value;
-}
-
-#ifdef COLUMBUS_VIEW_2D
-vec4 unpackPlanes2D_HIGH(vec4 x, vec4 y, vec4 z, vec4 w)
-{
-    vec4 value;
-    value.x = unpackHighMagLessThan100Million(x);
-    value.y = unpackHighMagLessThan100Million(y);
-    value.z = unpackHighMagLessThan100Million(z);
-    value.w = unpackHighMagLessThan100Million(w);
-    return value;
-}
-
-vec4 unpackPlanes2D_LOW(vec4 x, vec4 y, vec4 z, vec4 w)
-{
-    vec4 value;
-    value.x = unpackLowLessThan100k(x);
-    value.y = unpackLowLessThan100k(y);
-    value.z = unpackLowLessThan100k(z);
-    value.w = unpackLowLessThan100k(w);
-    return value;
-}
-
-#else
-float unpackLowLessThan1000k(vec4 sd)
-{
-    vec4 d = clampAndMagnitude(sd);
-    return (10000.0 * d.x + 100.0 * d.y + d.z + 0.01 * d.w) * czm_branchFreeTernary(sd.x < 128.0, 1.0, -1.0);
-}
-
-vec3 unpackExtent(vec4 x, vec4 y, vec4 z)
-{
-    vec3 value;
-    value.x = unpackLowLessThan1000k(x);
-    value.y = unpackLowLessThan1000k(y);
-    value.z = unpackLowLessThan1000k(z);
-    return value;
-}
-
-#endif
-#endif
-
 void main()
 {
     vec4 position = czm_computePosition();
@@ -125,19 +43,8 @@ void main()
     v_uvMinAndSphericalLongitudeRotation.z = czm_batchTable_longitudeRotation(batchId);
 #else // SPHERICAL
 #ifdef COLUMBUS_VIEW_2D
-#ifdef UINT8_PACKING
-    vec4 planes2D_high = unpackPlanes2D_HIGH(czm_batchTable_planes2D_HIGH_x(batchId),
-        czm_batchTable_planes2D_HIGH_y(batchId),
-        czm_batchTable_planes2D_HIGH_z(batchId),
-        czm_batchTable_planes2D_HIGH_w(batchId));
-    vec4 planes2D_low = unpackPlanes2D_LOW(czm_batchTable_planes2D_LOW_x(batchId),
-        czm_batchTable_planes2D_LOW_y(batchId),
-        czm_batchTable_planes2D_LOW_z(batchId),
-        czm_batchTable_planes2D_LOW_w(batchId));
-#else // UINT8_PACKING
     vec4 planes2D_high = czm_batchTable_planes2D_HIGH(batchId);
     vec4 planes2D_low = czm_batchTable_planes2D_LOW(batchId);
-#endif // UINT8_PACKING
 
     // If the primitive is split across the IDL (planes2D_high.x > planes2D_high.w):
     // - If this vertex is on the east side of the IDL (position3DLow.y > 0.0, comparison with position3DHigh may produce artifacts)
@@ -161,24 +68,9 @@ void main()
     vec3 southEastCorner = (czm_modelViewRelativeToEye * czm_translateRelativeToEye(vec3(0.0, planes2D_high.w, planes2D_high.y), vec3(0.0, planes2D_low.w, planes2D_low.y))).xyz;
 #else // COLUMBUS_VIEW_2D
     // 3D case has smaller "plane extents," so planes encoded as a 64 bit position and 2 vec3s for distances/direction
-#ifdef UINT8_PACKING
-    vec3 low = southwest_LOW(czm_batchTable_southWest_LOW_x(batchId), czm_batchTable_southWest_LOW_y(batchId), czm_batchTable_southWest_LOW_z(batchId));
-    vec3 high = southwest_HIGH(czm_batchTable_southWest_HIGH_x(batchId), czm_batchTable_southWest_HIGH_y(batchId), czm_batchTable_southWest_HIGH_z(batchId));
-    vec3 southWestCorner = (czm_modelViewRelativeToEye * czm_translateRelativeToEye(high, low)).xyz;
-    vec3 northWestCorner = czm_normal * unpackExtent(
-        czm_batchTable_northward_x(batchId),
-        czm_batchTable_northward_y(batchId),
-        czm_batchTable_northward_z(batchId)) + southWestCorner;
-
-    vec3 southEastCorner = czm_normal * unpackExtent(
-        czm_batchTable_eastward_x(batchId),
-        czm_batchTable_eastward_y(batchId),
-        czm_batchTable_eastward_z(batchId)) + southWestCorner;
-#else // UINT8_PACKING
     vec3 southWestCorner = (czm_modelViewRelativeToEye * czm_translateRelativeToEye(czm_batchTable_southWest_HIGH(batchId), czm_batchTable_southWest_LOW(batchId))).xyz;
     vec3 northWestCorner = czm_normal * czm_batchTable_northward(batchId) + southWestCorner;
     vec3 southEastCorner = czm_normal * czm_batchTable_eastward(batchId) + southWestCorner;
-#endif // UINT8_PACKING
 #endif // COLUMBUS_VIEW_2D
 
     vec3 eastWard = southEastCorner - southWestCorner;
diff --git a/Specs/Renderer/ContextSpec.js b/Specs/Renderer/ContextSpec.js
index 56ace0151714..1d1620a8fd25 100644
--- a/Specs/Renderer/ContextSpec.js
+++ b/Specs/Renderer/ContextSpec.js
@@ -174,8 +174,8 @@ describe(
       expect(context.floatingPointTexture).toBeDefined();
     });
 
-    it("gets whether the texture float has 6 places of precision", function () {
-      expect(context.floatTextureSixPlaces).toBeDefined();
+    it("gets texture filter anisotropic extension", function () {
+      expect(context.textureFilterAnisotropic).toBeDefined();
     });
 
     it("gets texture filter anisotropic extension", function () {
diff --git a/Specs/Renderer/checkFloatTexturePrecisionSpec.js b/Specs/Renderer/checkFloatTexturePrecisionSpec.js
deleted file mode 100644
index 0ff6e473dbe6..000000000000
--- a/Specs/Renderer/checkFloatTexturePrecisionSpec.js
+++ /dev/null
@@ -1,44 +0,0 @@
-import { checkFloatTexturePrecision } from "../../Source/Cesium.js";
-import { PixelDatatype } from "../../Source/Cesium.js";
-import createContext from "../createContext.js";
-
-describe(
-  "Renderer/checkFloatTexturePrecision",
-  function () {
-    var context;
-
-    beforeAll(function () {
-      context = createContext();
-    });
-
-    afterAll(function () {
-      context.destroyForSpecs();
-    });
-
-    it("returns false when float textures are not available", function () {
-      expect(checkFloatTexturePrecision({ floatingPointTexture: false })).toBe(
-        false
-      );
-    });
-
-    it("returns false when float textures are of insufficient precision", function () {
-      if (!context.floatingPointTexture) {
-        return;
-      }
-
-      spyOn(checkFloatTexturePrecision, "_getFloatPixelType").and.callFake(
-        function () {
-          return PixelDatatype.HALF_FLOAT;
-        }
-      );
-      spyOn(checkFloatTexturePrecision, "_getArray").and.callFake(function (
-        array
-      ) {
-        return new Uint16Array(array);
-      });
-
-      expect(checkFloatTexturePrecision(context)).toBe(false);
-    });
-  },
-  "WebGL"
-);
diff --git a/Specs/Scene/ShadowVolumeAppearanceSpec.js b/Specs/Scene/ShadowVolumeAppearanceSpec.js
index f66b865f2bc4..f6ff26afc902 100644
--- a/Specs/Scene/ShadowVolumeAppearanceSpec.js
+++ b/Specs/Scene/ShadowVolumeAppearanceSpec.js
@@ -33,29 +33,13 @@ describe("Scene/ShadowVolumeAppearance", function () {
     largeTestRectangle,
     [0, 0, 0, 1, 1, 0],
     unitSphereEllipsoid,
-    projection,
-    true
+    projection
   );
   var smallRectangleAttributes = ShadowVolumeAppearance.getPlanarTextureCoordinateAttributes(
     smallTestRectangle,
     [0, 0, 0, 1, 1, 0],
     unitSphereEllipsoid,
-    projection,
-    true
-  );
-  var largeRectangleAttributesBadFloats = ShadowVolumeAppearance.getSphericalExtentGeometryInstanceAttributes(
-    largeTestRectangle,
-    [0, 0, 0, 1, 1, 0],
-    unitSphereEllipsoid,
-    projection,
-    false
-  );
-  var smallRectangleAttributesBadFloats = ShadowVolumeAppearance.getPlanarTextureCoordinateAttributes(
-    smallTestRectangle,
-    [0, 0, 0, 1, 1, 0],
-    unitSphereEllipsoid,
-    projection,
-    false
+    projection
   );
 
   var perInstanceColorMaterialAppearance = new PerInstanceColorAppearance();
@@ -155,53 +139,6 @@ describe("Scene/ShadowVolumeAppearance", function () {
     expect(attribute.normalize).toEqual(false);
   }
 
-  function clampAndMagnitude(signedVec4Attribute) {
-    var signedVec4 = signedVec4Attribute.value;
-    var unsigned = signedVec4.slice();
-    unsigned[0] = signedVec4[0] < 128.0 ? signedVec4[0] : 255.0 - signedVec4[0];
-    unsigned[0] = Math.floor(0.5 + unsigned[0]);
-    unsigned[1] = Math.floor(0.5 + unsigned[1]);
-    unsigned[2] = Math.floor(0.5 + unsigned[2]);
-    unsigned[3] = Math.floor(0.5 + unsigned[3]);
-    return unsigned;
-  }
-
-  function unpackLowLessThan100k(signedVec4Attribute) {
-    var signed = signedVec4Attribute.value;
-    var unsigned = clampAndMagnitude(signedVec4Attribute);
-    return (
-      (1000.0 * unsigned[0] +
-        10.0 * unsigned[1] +
-        0.1 * unsigned[2] +
-        0.001 * unsigned[3]) *
-      (signed[0] < 128.0 ? 1.0 : -1.0)
-    );
-  }
-
-  function unpackHighMagLessThan100Million(signedVec4Attribute) {
-    var signed = signedVec4Attribute.value;
-    var unsigned = clampAndMagnitude(signedVec4Attribute);
-    return (
-      (1000000.0 * unsigned[0] +
-        10000.0 * unsigned[1] +
-        100.0 * unsigned[2] +
-        unsigned[3]) *
-      (signed[0] < 128.0 ? 1.0 : -1.0)
-    );
-  }
-
-  function unpackLowLessThan1000k(signedVec4Attribute) {
-    var signed = signedVec4Attribute.value;
-    var unsigned = clampAndMagnitude(signedVec4Attribute);
-    return (
-      (10000.0 * unsigned[0] +
-        100.0 * unsigned[1] +
-        unsigned[2] +
-        0.01 * unsigned[3]) *
-      (signed[0] < 128.0 ? 1.0 : -1.0)
-    );
-  }
-
   describe("floating point textures reliable", function () {
     it("provides attributes for computing texture coordinates using planes in 3D", function () {
       var attributes = smallRectangleAttributes;
@@ -335,180 +272,6 @@ describe("Scene/ShadowVolumeAppearance", function () {
     });
   });
 
-  describe("floating point textures unreliable", function () {
-    it("provides attributes for computing texture coordinates using planes in 3D", function () {
-      var attributes = smallRectangleAttributesBadFloats;
-
-      var southWest_LOW = [0, 0, 0];
-      southWest_LOW[0] = unpackLowLessThan100k(attributes.southWest_LOW_x);
-      southWest_LOW[1] = unpackLowLessThan100k(attributes.southWest_LOW_y);
-      southWest_LOW[2] = unpackLowLessThan100k(attributes.southWest_LOW_z);
-
-      var southWest_HIGH = [0, 0, 0];
-      southWest_HIGH[0] = unpackHighMagLessThan100Million(
-        attributes.southWest_HIGH_x
-      );
-      southWest_HIGH[1] = unpackHighMagLessThan100Million(
-        attributes.southWest_HIGH_y
-      );
-      southWest_HIGH[2] = unpackHighMagLessThan100Million(
-        attributes.southWest_HIGH_z
-      );
-
-      var eastward = [0, 0, 0];
-      eastward[0] = unpackLowLessThan1000k(attributes.eastward_x);
-      eastward[1] = unpackLowLessThan1000k(attributes.eastward_y);
-      eastward[2] = unpackLowLessThan1000k(attributes.eastward_z);
-
-      var northward = [0, 0, 0];
-      northward[0] = unpackLowLessThan1000k(attributes.northward_x);
-      northward[1] = unpackLowLessThan1000k(attributes.northward_y);
-      northward[2] = unpackLowLessThan1000k(attributes.northward_z);
-
-      // We're using a unit sphere, so expect all HIGH values to be basically 0
-      // and LOW value to be within a small cone around UNIT_X
-      expect(southWest_HIGH[0]).toEqualEpsilon(0.0, CesiumMath.EPSILON2);
-      expect(southWest_HIGH[1]).toEqualEpsilon(0.0, CesiumMath.EPSILON2);
-      expect(southWest_HIGH[2]).toEqualEpsilon(0.0, CesiumMath.EPSILON2);
-
-      expect(southWest_LOW[0]).toBeGreaterThan(
-        Math.cos(CesiumMath.toRadians(0.2))
-      );
-
-      // Expect eastward and northward to be unit-direction vectors in the ENU coordinate system at the rectangle center
-      var smallRectangleCenter = Cartographic.toCartesian(
-        Rectangle.center(smallTestRectangle),
-        unitSphereEllipsoid
-      );
-      var enuMatrix = Transforms.eastNorthUpToFixedFrame(
-        smallRectangleCenter,
-        unitSphereEllipsoid
-      );
-      var inverseEnu = Matrix4.inverse(enuMatrix, new Matrix4());
-
-      var eastwardENU = Matrix4.multiplyByPointAsVector(
-        inverseEnu,
-        Cartesian3.fromArray(eastward),
-        new Cartesian3()
-      );
-      eastwardENU = Cartesian3.normalize(eastwardENU, eastwardENU);
-      expect(
-        Cartesian3.equalsEpsilon(
-          eastwardENU,
-          Cartesian3.UNIT_X,
-          CesiumMath.EPSILON2
-        )
-      ).toBe(true);
-
-      var northwardENU = Matrix4.multiplyByPointAsVector(
-        inverseEnu,
-        Cartesian3.fromArray(northward),
-        new Cartesian3()
-      );
-      northwardENU = Cartesian3.normalize(northwardENU, northwardENU);
-      expect(
-        Cartesian3.equalsEpsilon(
-          northwardENU,
-          Cartesian3.UNIT_Y,
-          CesiumMath.EPSILON2
-        )
-      ).toBe(true);
-    });
-
-    it("provides attributes for computing planes in 2D and Columbus View", function () {
-      var attributes = largeRectangleAttributesBadFloats;
-      var highValue = [0, 0, 0, 0];
-      highValue[0] = unpackHighMagLessThan100Million(
-        attributes.planes2D_HIGH_x
-      );
-      highValue[1] = unpackHighMagLessThan100Million(
-        attributes.planes2D_HIGH_y
-      );
-      highValue[2] = unpackHighMagLessThan100Million(
-        attributes.planes2D_HIGH_z
-      );
-      highValue[3] = unpackHighMagLessThan100Million(
-        attributes.planes2D_HIGH_w
-      );
-
-      var lowValue = [0, 0, 0, 0];
-      lowValue[0] = unpackLowLessThan100k(attributes.planes2D_LOW_x);
-      lowValue[1] = unpackLowLessThan100k(attributes.planes2D_LOW_y);
-      lowValue[2] = unpackLowLessThan100k(attributes.planes2D_LOW_z);
-      lowValue[3] = unpackLowLessThan100k(attributes.planes2D_LOW_w);
-
-      // Because using a unit sphere expect all HIGH values to be basically 0
-      expect(highValue[0]).toEqualEpsilon(0.0, CesiumMath.EPSILON2);
-      expect(highValue[1]).toEqualEpsilon(0.0, CesiumMath.EPSILON2);
-      expect(highValue[2]).toEqualEpsilon(0.0, CesiumMath.EPSILON2);
-      expect(highValue[3]).toEqualEpsilon(0.0, CesiumMath.EPSILON2);
-
-      var cartographic = Cartographic.fromDegrees(-45, -45, 0.0); // southwest corner
-      var southwestCartesian = projection.project(cartographic);
-      expect(lowValue[0]).toEqualEpsilon(
-        southwestCartesian.x,
-        CesiumMath.EPSILON2
-      );
-      expect(lowValue[1]).toEqualEpsilon(
-        southwestCartesian.y,
-        CesiumMath.EPSILON2
-      );
-      expect(lowValue[2]).toEqualEpsilon(
-        -southwestCartesian.y,
-        CesiumMath.EPSILON2
-      );
-      expect(lowValue[3]).toEqualEpsilon(
-        -southwestCartesian.x,
-        CesiumMath.EPSILON2
-      );
-
-      // Small case
-      attributes = smallRectangleAttributesBadFloats;
-      // Because using a unit sphere expect all HIGH values to be basically 0
-      highValue[0] = unpackHighMagLessThan100Million(
-        attributes.planes2D_HIGH_x
-      );
-      highValue[1] = unpackHighMagLessThan100Million(
-        attributes.planes2D_HIGH_y
-      );
-      highValue[2] = unpackHighMagLessThan100Million(
-        attributes.planes2D_HIGH_z
-      );
-      highValue[3] = unpackHighMagLessThan100Million(
-        attributes.planes2D_HIGH_w
-      );
-
-      expect(highValue[0]).toEqualEpsilon(0.0, CesiumMath.EPSILON2);
-      expect(highValue[1]).toEqualEpsilon(0.0, CesiumMath.EPSILON2);
-      expect(highValue[2]).toEqualEpsilon(0.0, CesiumMath.EPSILON2);
-      expect(highValue[3]).toEqualEpsilon(0.0, CesiumMath.EPSILON2);
-
-      cartographic = Cartographic.fromDegrees(-0.1, -0.1, 0.0); // southwest corner
-      southwestCartesian = projection.project(cartographic);
-      lowValue[0] = unpackLowLessThan100k(attributes.planes2D_LOW_x);
-      lowValue[1] = unpackLowLessThan100k(attributes.planes2D_LOW_y);
-      lowValue[2] = unpackLowLessThan100k(attributes.planes2D_LOW_z);
-      lowValue[3] = unpackLowLessThan100k(attributes.planes2D_LOW_w);
-
-      expect(lowValue[0]).toEqualEpsilon(
-        southwestCartesian.x,
-        CesiumMath.EPSILON2
-      );
-      expect(lowValue[1]).toEqualEpsilon(
-        southwestCartesian.y,
-        CesiumMath.EPSILON2
-      );
-      expect(lowValue[2]).toEqualEpsilon(
-        -southwestCartesian.y,
-        CesiumMath.EPSILON2
-      );
-      expect(lowValue[3]).toEqualEpsilon(
-        -southwestCartesian.x,
-        CesiumMath.EPSILON2
-      );
-    });
-  });
-
   it("provides attributes for rotating texture coordinates", function () {
     // 90 degree rotation of a square, so "max" in Y direction is (0,0), "max" in X direction is (1,1)
     var attributes = ShadowVolumeAppearance.getPlanarTextureCoordinateAttributes(
@@ -516,7 +279,6 @@ describe("Scene/ShadowVolumeAppearance", function () {
       [1, 0, 0, 0, 1, 1],
       unitSphereEllipsoid,
       projection,
-      false,
       0.0
     );
 
@@ -555,16 +317,6 @@ describe("Scene/ShadowVolumeAppearance", function () {
         largeRectangleAttributes
       )
     ).toBe(true);
-    expect(
-      ShadowVolumeAppearance.hasAttributesForSphericalExtents(
-        smallRectangleAttributesBadFloats
-      )
-    ).toBe(false);
-    expect(
-      ShadowVolumeAppearance.hasAttributesForSphericalExtents(
-        largeRectangleAttributesBadFloats
-      )
-    ).toBe(true);
   });
 
   it("checks for planar texture coordinate attributes", function () {
@@ -578,16 +330,6 @@ describe("Scene/ShadowVolumeAppearance", function () {
         largeRectangleAttributes
       )
     ).toBe(false);
-    expect(
-      ShadowVolumeAppearance.hasAttributesForTextureCoordinatePlanes(
-        smallRectangleAttributesBadFloats
-      )
-    ).toBe(true);
-    expect(
-      ShadowVolumeAppearance.hasAttributesForTextureCoordinatePlanes(
-        largeRectangleAttributesBadFloats
-      )
-    ).toBe(false);
   });
 
   it("checks if a rectangle should use spherical texture coordinates", function () {
@@ -599,70 +341,12 @@ describe("Scene/ShadowVolumeAppearance", function () {
     ).toBe(true);
   });
 
-  it("creates vertex shaders based on whether or not float textures are used for high/low positions", function () {
-    // Check defines
-    var sphericalTexturedAppearanceUnsafe = new ShadowVolumeAppearance(
-      true,
-      false,
-      textureMaterialAppearance,
-      false
-    );
-    var shaderSource = sphericalTexturedAppearanceUnsafe.createVertexShader(
-      [],
-      testVs,
-      false,
-      projection
-    );
-    var defines = shaderSource.defines;
-    expect(defines.length).toEqual(3);
-    expect(defines.indexOf("UINT8_PACKING")).not.toEqual(-1);
-
-    // 2D variant
-    shaderSource = sphericalTexturedAppearanceUnsafe.createVertexShader(
-      [],
-      testVs,
-      true,
-      projection
-    );
-    defines = shaderSource.defines;
-    expect(defines.length).toEqual(7);
-    expect(defines.indexOf("UINT8_PACKING")).not.toEqual(-1);
-
-    var sphericalTexturedAppearanceSafe = new ShadowVolumeAppearance(
-      true,
-      false,
-      textureMaterialAppearance,
-      true
-    );
-    shaderSource = sphericalTexturedAppearanceSafe.createVertexShader(
-      [],
-      testVs,
-      false,
-      projection
-    );
-    defines = shaderSource.defines;
-    expect(defines.length).toEqual(2);
-    expect(defines.indexOf("UINT8_PACKING")).toEqual(-1);
-
-    // 2D variant
-    shaderSource = sphericalTexturedAppearanceSafe.createVertexShader(
-      [],
-      testVs,
-      true,
-      projection
-    );
-    defines = shaderSource.defines;
-    expect(defines.length).toEqual(6);
-    expect(defines.indexOf("UINT8_PACKING")).toEqual(-1);
-  });
-
   it("creates vertex shaders for color", function () {
     // Check defines
     var sphericalTexturedAppearance = new ShadowVolumeAppearance(
       true,
       false,
-      textureMaterialAppearance,
-      true
+      textureMaterialAppearance
     );
     var shaderSource = sphericalTexturedAppearance.createVertexShader(
       [],
@@ -696,8 +380,7 @@ describe("Scene/ShadowVolumeAppearance", function () {
     var sphericalUnculledColorAppearance = new ShadowVolumeAppearance(
       false,
       false,
-      perInstanceColorMaterialAppearance,
-      true
+      perInstanceColorMaterialAppearance
     );
     shaderSource = sphericalUnculledColorAppearance.createVertexShader(
       [],
@@ -730,8 +413,7 @@ describe("Scene/ShadowVolumeAppearance", function () {
     var planarTexturedAppearance = new ShadowVolumeAppearance(
       false,
       true,
-      textureMaterialAppearance,
-      true
+      textureMaterialAppearance
     );
     shaderSource = planarTexturedAppearance.createVertexShader(
       [],
@@ -766,8 +448,7 @@ describe("Scene/ShadowVolumeAppearance", function () {
     var sphericalTexturedAppearance = new ShadowVolumeAppearance(
       true,
       false,
-      textureMaterialAppearance,
-      true
+      textureMaterialAppearance
     );
     var shaderSource = sphericalTexturedAppearance.createPickVertexShader(
       [],
@@ -801,8 +482,7 @@ describe("Scene/ShadowVolumeAppearance", function () {
     var sphericalUnculledColorAppearance = new ShadowVolumeAppearance(
       false,
       false,
-      perInstanceColorMaterialAppearance,
-      true
+      perInstanceColorMaterialAppearance
     );
     shaderSource = sphericalUnculledColorAppearance.createPickVertexShader(
       [],
@@ -833,8 +513,7 @@ describe("Scene/ShadowVolumeAppearance", function () {
     var planarTexturedAppearance = new ShadowVolumeAppearance(
       false,
       true,
-      textureMaterialAppearance,
-      true
+      textureMaterialAppearance
     );
     shaderSource = planarTexturedAppearance.createPickVertexShader(
       [],
@@ -866,8 +545,7 @@ describe("Scene/ShadowVolumeAppearance", function () {
     var sphericalTexturedAppearance = new ShadowVolumeAppearance(
       true,
       false,
-      textureMaterialAppearance,
-      true
+      textureMaterialAppearance
     );
     var shaderSource = sphericalTexturedAppearance.createFragmentShader(false);
     var defines = shaderSource.defines;
@@ -904,8 +582,7 @@ describe("Scene/ShadowVolumeAppearance", function () {
     var planarColorAppearance = new ShadowVolumeAppearance(
       true,
       true,
-      perInstanceColorMaterialAppearance,
-      true
+      perInstanceColorMaterialAppearance
     );
     shaderSource = planarColorAppearance.createFragmentShader(false);
     defines = shaderSource.defines;
@@ -933,8 +610,7 @@ describe("Scene/ShadowVolumeAppearance", function () {
     var flatSphericalTexturedAppearance = new ShadowVolumeAppearance(
       true,
       false,
-      flatTextureMaterialAppearance,
-      true
+      flatTextureMaterialAppearance
     );
     shaderSource = flatSphericalTexturedAppearance.createFragmentShader(false);
     defines = shaderSource.defines;
@@ -953,8 +629,7 @@ describe("Scene/ShadowVolumeAppearance", function () {
     var flatSphericalColorAppearance = new ShadowVolumeAppearance(
       false,
       false,
-      flatPerInstanceColorMaterialAppearance,
-      true
+      flatPerInstanceColorMaterialAppearance
     );
     shaderSource = flatSphericalColorAppearance.createFragmentShader(false);
     defines = shaderSource.defines;

From 15f5ce9688f0f7becac8337f4e3b55e4a57027c2 Mon Sep 17 00:00:00 2001
From: YoussefV <youssefvictor@gmail.com>
Date: Tue, 28 Apr 2020 18:21:03 -0400
Subject: [PATCH 3/5] fixed incorrect merge in CHANGES.md

---
 CHANGES.md | 20 +-------------------
 1 file changed, 1 insertion(+), 19 deletions(-)

diff --git a/CHANGES.md b/CHANGES.md
index d9a45e25836e..805583d6224a 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -205,8 +205,6 @@ var viewer = new Viewer("cesiumContainer", {
 
 ##### Fixes :wrench:
 
-<<<<<<< HEAD
-
 - Fixed labels not showing for individual entities in data sources when clustering is enabled. [#6087](https://github.com/CesiumGS/cesium/issues/6087)
 - Fixed an issue where polygons, corridors, rectangles, and ellipses on terrain would not render on some mobile devices. [#6739](https://github.com/CesiumGS/cesium/issues/6739)
 - Fixed a bug where GlobeSurfaceTile would not render the tile until all layers completed loading causing globe to appear to hang. [#7974](https://github.com/CesiumGS/cesium/issues/7974)
@@ -225,23 +223,7 @@ var viewer = new Viewer("cesiumContainer", {
 - Reduced size of approximateTerrainHeights.json [#7959](https://github.com/CesiumGS/cesium/pull/7959)
 - Fixed undefined `quadDetails` error from zooming into the map really close. [#8011](https://github.com/CesiumGS/cesium/pull/8011)
 - Fixed a crash for 3D Tiles that have zero volume. [#7945](https://github.com/CesiumGS/cesium/pull/7945)
-- # Fixed relative-to-center check, `depthFailAppearance` resource freeing for `Primitive` [#8044](https://github.com/CesiumGS/cesium/pull/8044)
-
-* `Camera.flyTo` flies to the correct location in 2D when the destination crosses the international date line [#7909](https://github.com/AnalyticalGraphicsInc/cesium/pull/7909)
-* Fixed 3D tiles style coloring when multiple tilesets are in the scene [#8051](https://github.com/AnalyticalGraphicsInc/cesium/pull/8051)
-* Improved display of tile coordinates for `TileCoordinatesImageryProvider` [#8131](https://github.com/AnalyticalGraphicsInc/cesium/pull/8131)
-* Fixed relative-to-center check, `depthFailAppearance` resource freeing for `Primitive` [#8044](https://github.com/AnalyticalGraphicsInc/cesium/pull/8044)
-* Reduces size of approximateTerrainHeights.json by rounding the numbers [#7959](https://github.com/AnalyticalGraphicsInc/cesium/pull/7959)
-* Fixed undefined `quadDetails` error from zooming into the map really close. [#8011](https://github.com/AnalyticalGraphicsInc/cesium/pull/8011)
-* Fixed a bug where extruded polygons would sometimes be missing segments. [#8035](https://github.com/AnalyticalGraphicsInc/cesium/pull/8035)
-* 3D Tiles geometric error now scales with transform. [#8182](https://github.com/AnalyticalGraphicsInc/cesium/pull/8182)
-* Fixed per-feature post processing from sometimes selecting the wrong feature. [#7929](https://github.com/AnalyticalGraphicsInc/cesium/pull/7929)
-* Fixed labels not showing for individual entities in data sources when clustering is enabled. [#6087](https://github.com/AnalyticalGraphicsInc/cesium/issues/6087)
-* Fixed a crash for 3D Tiles that have zero volume. [#7945](https://github.com/AnalyticalGraphicsInc/cesium/pull/7945)
-* Fixed a bug where dynamic polylines did not use the given arcType. [#8191](https://github.com/AnalyticalGraphicsInc/cesium/issues/8191)
-* Fixed a bug where GlobeSurfaceTile would not render the tile until all layers completed loading causing globe to appear to hang. [#7974](https://github.com/AnalyticalGraphicsInc/cesium/issues/7974)
-* Fixed alpha equation for `BlendingState.ALPHA_BLEND` and `BlendingState.ADDITIVE_BLEND`. [#8202](https://github.com/AnalyticalGraphicsInc/cesium/pull/8202)
-  > > > > > > > parent of 8bd1c61c17... Merge pull request #7421 from AnalyticalGraphicsInc/mtls-on-groundPrimitives-iOS
+- Fixed relative-to-center check, `depthFailAppearance` resource freeing for `Primitive` [#8044](https://github.com/CesiumGS/cesium/pull/8044)
 
 ### 1.61 - 2019-09-03
 

From 050b74107080dbb7f92b1c12a17f43878b5a5c20 Mon Sep 17 00:00:00 2001
From: YoussefV <youssefvictor@gmail.com>
Date: Wed, 29 Apr 2020 13:57:56 -0400
Subject: [PATCH 4/5] updated CHANGES.md, removed describe block that was used
 to distinguish unreliable floats

---
 CHANGES.md                                | 1 +
 Specs/Scene/ShadowVolumeAppearanceSpec.js | 6 ++----
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/CHANGES.md b/CHANGES.md
index 805583d6224a..50d101b96648 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -18,6 +18,7 @@
 - Fixed an issue with glTF skinning support where an optional property `skeleton` was considered required by Cesium. [#8175](https://github.com/CesiumGS/cesium/issues/8175)
 - Fixed a bug with very long view ranges requiring multiple frustums even with the logarithmic depth buffer enabled. Previously, such scenes could resolve depth incorrectly. [#8727](https://github.com/CesiumGS/cesium/pull/8727)
 - Fixed a bug where the elevation contour material's alpha was not being applied. [#8749](https://github.com/CesiumGS/cesium/pull/8749)
+- Geometry instance floats now work for high precision floats on newer iOS devices. [#8805](https://github.com/CesiumGS/cesium/pull/8805)
 
 ### 1.68.0 - 2020-04-01
 
diff --git a/Specs/Scene/ShadowVolumeAppearanceSpec.js b/Specs/Scene/ShadowVolumeAppearanceSpec.js
index f6ff26afc902..85360eff61e8 100644
--- a/Specs/Scene/ShadowVolumeAppearanceSpec.js
+++ b/Specs/Scene/ShadowVolumeAppearanceSpec.js
@@ -139,8 +139,7 @@ describe("Scene/ShadowVolumeAppearance", function () {
     expect(attribute.normalize).toEqual(false);
   }
 
-  describe("floating point textures reliable", function () {
-    it("provides attributes for computing texture coordinates using planes in 3D", function () {
+  it("provides attributes for computing texture coordinates using planes in 3D", function () {
       var attributes = smallRectangleAttributes;
 
       var southWest_LOW = attributes.southWest_LOW;
@@ -203,7 +202,7 @@ describe("Scene/ShadowVolumeAppearance", function () {
       ).toBe(true);
     });
 
-    it("provides attributes for computing planes in 2D and Columbus View", function () {
+  it("provides attributes for computing planes in 2D and Columbus View", function () {
       var planes2D_HIGH = largeRectangleAttributes.planes2D_HIGH;
       var planes2D_LOW = largeRectangleAttributes.planes2D_LOW;
 
@@ -269,7 +268,6 @@ describe("Scene/ShadowVolumeAppearance", function () {
         -southwestCartesian.x,
         CesiumMath.EPSILON7
       );
-    });
   });
 
   it("provides attributes for rotating texture coordinates", function () {

From 0eafb467d119f584177592f48dd70cf417724691 Mon Sep 17 00:00:00 2001
From: Kangning Li <gary@cesium.com>
Date: Wed, 29 Apr 2020 14:07:34 -0400
Subject: [PATCH 5/5] fix indentation in ShadowVolumeAppearanceSpec

---
 Specs/Scene/ShadowVolumeAppearanceSpec.js | 250 +++++++++++-----------
 1 file changed, 125 insertions(+), 125 deletions(-)

diff --git a/Specs/Scene/ShadowVolumeAppearanceSpec.js b/Specs/Scene/ShadowVolumeAppearanceSpec.js
index 85360eff61e8..fd5e69eff2a0 100644
--- a/Specs/Scene/ShadowVolumeAppearanceSpec.js
+++ b/Specs/Scene/ShadowVolumeAppearanceSpec.js
@@ -140,134 +140,134 @@ describe("Scene/ShadowVolumeAppearance", function () {
   }
 
   it("provides attributes for computing texture coordinates using planes in 3D", function () {
-      var attributes = smallRectangleAttributes;
-
-      var southWest_LOW = attributes.southWest_LOW;
-      var southWest_HIGH = attributes.southWest_HIGH;
-      var eastward = attributes.eastward;
-      var northward = attributes.northward;
-
-      checkGeometryInstanceAttributeVec3(southWest_LOW);
-      checkGeometryInstanceAttributeVec3(southWest_HIGH);
-      checkGeometryInstanceAttributeVec3(eastward);
-      checkGeometryInstanceAttributeVec3(northward);
-
-      // We're using a unit sphere, so expect all HIGH values to be basically 0
-      // and LOW value to be within a small cone around UNIT_X
-      expect(southWest_HIGH.value[0]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
-      expect(southWest_HIGH.value[1]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
-      expect(southWest_HIGH.value[2]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
-
-      expect(southWest_LOW.value[0]).toBeGreaterThan(
-        Math.cos(CesiumMath.toRadians(0.2))
-      );
-
-      // Expect eastward and northward to be unit-direction vectors in the ENU coordinate system at the rectangle center
-      var smallRectangleCenter = Cartographic.toCartesian(
-        Rectangle.center(smallTestRectangle),
-        unitSphereEllipsoid
-      );
-      var enuMatrix = Transforms.eastNorthUpToFixedFrame(
-        smallRectangleCenter,
-        unitSphereEllipsoid
-      );
-      var inverseEnu = Matrix4.inverse(enuMatrix, new Matrix4());
-
-      var eastwardENU = Matrix4.multiplyByPointAsVector(
-        inverseEnu,
-        Cartesian3.fromArray(eastward.value),
-        new Cartesian3()
-      );
-      eastwardENU = Cartesian3.normalize(eastwardENU, eastwardENU);
-      expect(
-        Cartesian3.equalsEpsilon(
-          eastwardENU,
-          Cartesian3.UNIT_X,
-          CesiumMath.EPSILON7
-        )
-      ).toBe(true);
-
-      var northwardENU = Matrix4.multiplyByPointAsVector(
-        inverseEnu,
-        Cartesian3.fromArray(northward.value),
-        new Cartesian3()
-      );
-      northwardENU = Cartesian3.normalize(northwardENU, northwardENU);
-      expect(
-        Cartesian3.equalsEpsilon(
-          northwardENU,
-          Cartesian3.UNIT_Y,
-          CesiumMath.EPSILON7
-        )
-      ).toBe(true);
-    });
+    var attributes = smallRectangleAttributes;
+
+    var southWest_LOW = attributes.southWest_LOW;
+    var southWest_HIGH = attributes.southWest_HIGH;
+    var eastward = attributes.eastward;
+    var northward = attributes.northward;
+
+    checkGeometryInstanceAttributeVec3(southWest_LOW);
+    checkGeometryInstanceAttributeVec3(southWest_HIGH);
+    checkGeometryInstanceAttributeVec3(eastward);
+    checkGeometryInstanceAttributeVec3(northward);
+
+    // We're using a unit sphere, so expect all HIGH values to be basically 0
+    // and LOW value to be within a small cone around UNIT_X
+    expect(southWest_HIGH.value[0]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
+    expect(southWest_HIGH.value[1]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
+    expect(southWest_HIGH.value[2]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
+
+    expect(southWest_LOW.value[0]).toBeGreaterThan(
+      Math.cos(CesiumMath.toRadians(0.2))
+    );
 
-  it("provides attributes for computing planes in 2D and Columbus View", function () {
-      var planes2D_HIGH = largeRectangleAttributes.planes2D_HIGH;
-      var planes2D_LOW = largeRectangleAttributes.planes2D_LOW;
-
-      expect(planes2D_HIGH.componentDatatype).toEqual(ComponentDatatype.FLOAT);
-      expect(planes2D_HIGH.componentsPerAttribute).toEqual(4);
-      expect(planes2D_HIGH.normalize).toEqual(false);
-
-      // Because using a unit sphere expect all HIGH values to be basically 0
-      var highValue = planes2D_HIGH.value;
-      expect(highValue[0]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
-      expect(highValue[1]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
-      expect(highValue[2]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
-      expect(highValue[3]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
-
-      expect(planes2D_LOW.componentDatatype).toEqual(ComponentDatatype.FLOAT);
-      expect(planes2D_LOW.componentsPerAttribute).toEqual(4);
-      expect(planes2D_LOW.normalize).toEqual(false);
-
-      var cartographic = Cartographic.fromDegrees(-45, -45, 0.0); // southwest corner
-      var southwestCartesian = projection.project(cartographic);
-      var lowValue = planes2D_LOW.value;
-      expect(lowValue[0]).toEqualEpsilon(
-        southwestCartesian.x,
-        CesiumMath.EPSILON7
-      );
-      expect(lowValue[1]).toEqualEpsilon(
-        southwestCartesian.y,
-        CesiumMath.EPSILON7
-      );
-      expect(lowValue[2]).toEqualEpsilon(
-        -southwestCartesian.y,
-        CesiumMath.EPSILON7
-      );
-      expect(lowValue[3]).toEqualEpsilon(
-        -southwestCartesian.x,
-        CesiumMath.EPSILON7
-      );
-
-      // Small case
-      // Because using a unit sphere expect all HIGH values to be basically 0
-      highValue = smallRectangleAttributes.planes2D_HIGH.value;
-      expect(highValue[0]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
-      expect(highValue[1]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
-      expect(highValue[2]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
-      expect(highValue[3]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
-
-      cartographic = Cartographic.fromDegrees(-0.1, -0.1, 0.0); // southwest corner
-      southwestCartesian = projection.project(cartographic);
-      lowValue = smallRectangleAttributes.planes2D_LOW.value;
-      expect(lowValue[0]).toEqualEpsilon(
-        southwestCartesian.x,
-        CesiumMath.EPSILON7
-      );
-      expect(lowValue[1]).toEqualEpsilon(
-        southwestCartesian.y,
-        CesiumMath.EPSILON7
-      );
-      expect(lowValue[2]).toEqualEpsilon(
-        -southwestCartesian.y,
+    // Expect eastward and northward to be unit-direction vectors in the ENU coordinate system at the rectangle center
+    var smallRectangleCenter = Cartographic.toCartesian(
+      Rectangle.center(smallTestRectangle),
+      unitSphereEllipsoid
+    );
+    var enuMatrix = Transforms.eastNorthUpToFixedFrame(
+      smallRectangleCenter,
+      unitSphereEllipsoid
+    );
+    var inverseEnu = Matrix4.inverse(enuMatrix, new Matrix4());
+
+    var eastwardENU = Matrix4.multiplyByPointAsVector(
+      inverseEnu,
+      Cartesian3.fromArray(eastward.value),
+      new Cartesian3()
+    );
+    eastwardENU = Cartesian3.normalize(eastwardENU, eastwardENU);
+    expect(
+      Cartesian3.equalsEpsilon(
+        eastwardENU,
+        Cartesian3.UNIT_X,
         CesiumMath.EPSILON7
-      );
-      expect(lowValue[3]).toEqualEpsilon(
-        -southwestCartesian.x,
+      )
+    ).toBe(true);
+
+    var northwardENU = Matrix4.multiplyByPointAsVector(
+      inverseEnu,
+      Cartesian3.fromArray(northward.value),
+      new Cartesian3()
+    );
+    northwardENU = Cartesian3.normalize(northwardENU, northwardENU);
+    expect(
+      Cartesian3.equalsEpsilon(
+        northwardENU,
+        Cartesian3.UNIT_Y,
         CesiumMath.EPSILON7
-      );
+      )
+    ).toBe(true);
+  });
+
+  it("provides attributes for computing planes in 2D and Columbus View", function () {
+    var planes2D_HIGH = largeRectangleAttributes.planes2D_HIGH;
+    var planes2D_LOW = largeRectangleAttributes.planes2D_LOW;
+
+    expect(planes2D_HIGH.componentDatatype).toEqual(ComponentDatatype.FLOAT);
+    expect(planes2D_HIGH.componentsPerAttribute).toEqual(4);
+    expect(planes2D_HIGH.normalize).toEqual(false);
+
+    // Because using a unit sphere expect all HIGH values to be basically 0
+    var highValue = planes2D_HIGH.value;
+    expect(highValue[0]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
+    expect(highValue[1]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
+    expect(highValue[2]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
+    expect(highValue[3]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
+
+    expect(planes2D_LOW.componentDatatype).toEqual(ComponentDatatype.FLOAT);
+    expect(planes2D_LOW.componentsPerAttribute).toEqual(4);
+    expect(planes2D_LOW.normalize).toEqual(false);
+
+    var cartographic = Cartographic.fromDegrees(-45, -45, 0.0); // southwest corner
+    var southwestCartesian = projection.project(cartographic);
+    var lowValue = planes2D_LOW.value;
+    expect(lowValue[0]).toEqualEpsilon(
+      southwestCartesian.x,
+      CesiumMath.EPSILON7
+    );
+    expect(lowValue[1]).toEqualEpsilon(
+      southwestCartesian.y,
+      CesiumMath.EPSILON7
+    );
+    expect(lowValue[2]).toEqualEpsilon(
+      -southwestCartesian.y,
+      CesiumMath.EPSILON7
+    );
+    expect(lowValue[3]).toEqualEpsilon(
+      -southwestCartesian.x,
+      CesiumMath.EPSILON7
+    );
+
+    // Small case
+    // Because using a unit sphere expect all HIGH values to be basically 0
+    highValue = smallRectangleAttributes.planes2D_HIGH.value;
+    expect(highValue[0]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
+    expect(highValue[1]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
+    expect(highValue[2]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
+    expect(highValue[3]).toEqualEpsilon(0.0, CesiumMath.EPSILON7);
+
+    cartographic = Cartographic.fromDegrees(-0.1, -0.1, 0.0); // southwest corner
+    southwestCartesian = projection.project(cartographic);
+    lowValue = smallRectangleAttributes.planes2D_LOW.value;
+    expect(lowValue[0]).toEqualEpsilon(
+      southwestCartesian.x,
+      CesiumMath.EPSILON7
+    );
+    expect(lowValue[1]).toEqualEpsilon(
+      southwestCartesian.y,
+      CesiumMath.EPSILON7
+    );
+    expect(lowValue[2]).toEqualEpsilon(
+      -southwestCartesian.y,
+      CesiumMath.EPSILON7
+    );
+    expect(lowValue[3]).toEqualEpsilon(
+      -southwestCartesian.x,
+      CesiumMath.EPSILON7
+    );
   });
 
   it("provides attributes for rotating texture coordinates", function () {