Generate tighter near far bounds in View.js

CHANGES.md

@@ -20,6 +20,8 @@
 - Fixed a bug where certain rhumb arc polylines would lead to a crash. [#8787](https://github.com/CesiumGS/cesium/pull/8787)
 - Fixed handling of Label's backgroundColor and backgroundPadding option [#8949](https://github.com/CesiumGS/cesium/8949)
 - Fixed several bugs when rendering CesiumJS in a WebG 2 context. [#797](https://github.com/CesiumGS/cesium/issues/797)
+- Fixed a bug where switching from perspective to orthographic caused triangles to overlap each other incorrectly. [#8346](https://github.com/CesiumGS/cesium/issues/8346)
+- Fixed `scene.pickFromRay` intersection inaccuracies. [#8439](https://github.com/CesiumGS/cesium/issues/8439)
 
 ### 1.70.1 - 2020-06-10
 

Source/Scene/DerivedCommand.js

@@ -189,14 +189,22 @@ function getLogDepthShaderProgram(context, shaderProgram) {
       sources.push(logMain);
     }
 
-    var addExtension = true;
-    writesLogDepth = false;
     sources = fs.sources;
     length = sources.length;
+
+    writesLogDepth = false;
     for (i = 0; i < length; ++i) {
       if (writeLogDepthRegex.test(sources[i])) {
         writesLogDepth = true;
       }
+    }
+    // This define indicates that a log depth value is written by the shader but doesn't use czm_writeLogDepth.
+    if (fs.defines.indexOf("LOG_DEPTH_WRITE") !== -1) {
+      writesLogDepth = true;
+    }
+
+    var addExtension = true;
+    for (i = 0; i < length; ++i) {
       if (extensionRegex.test(sources[i])) {
         addExtension = false;
       }

Source/Scene/PointCloudEyeDomeLighting.js

@@ -99,7 +99,10 @@ function createFramebuffer(processor, context) {
 var distanceAndEdlStrengthScratch = new Cartesian2();
 
 function createCommands(processor, context) {
-  var blendFS = PointCloudEyeDomeLightingShader;
+  var blendFS = new ShaderSource({
+    defines: ["LOG_DEPTH_WRITE"],
+    sources: [PointCloudEyeDomeLightingShader],
+  });
 
   var blendUniformMap = {
     u_pointCloud_colorGBuffer: function () {

Source/Scene/Scene.js

@@ -1555,7 +1555,6 @@ Object.defineProperties(Scene.prototype, {
       if (this._logDepthBuffer !== value) {
         this._logDepthBuffer = value;
         this._logDepthBufferDirty = true;
-        this._defaultView.updateFrustums = true;
       }
     },
   },