Fixed Depth and Stencil clear issue in Handheld AR

Author: De-Panther

Build/webxr.js

@@ -791,6 +791,7 @@
     this.ctx.bindFramebuffer(this.ctx.FRAMEBUFFER, glLayer.framebuffer);
     if (session.isAR) {
       this.ctx.dontClearOnFrameStart = true;
+      this.ctx.clear(this.ctx.STENCIL_BUFFER_BIT | this.ctx.DEPTH_BUFFER_BIT);
     } else {
       this.ctx.clear(this.ctx.COLOR_BUFFER_BIT | this.ctx.DEPTH_BUFFER_BIT);
     }

Packages/webxr/CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 - OnDisable in WebXRController.
+- Depth and Stencil clear issue in Handheld AR.
 
 ## [0.5.1] - 2020-12-26
 ### Fixed

Packages/webxr/Hidden~/WebGLTemplates/WebXR/webxr.js

@@ -791,6 +791,7 @@
     this.ctx.bindFramebuffer(this.ctx.FRAMEBUFFER, glLayer.framebuffer);
     if (session.isAR) {
       this.ctx.dontClearOnFrameStart = true;
+      this.ctx.clear(this.ctx.STENCIL_BUFFER_BIT | this.ctx.DEPTH_BUFFER_BIT);
     } else {
       this.ctx.clear(this.ctx.COLOR_BUFFER_BIT | this.ctx.DEPTH_BUFFER_BIT);
     }

Packages/webxr/Hidden~/WebGLTemplates/WebXR2020/webxr.js

@@ -791,6 +791,7 @@
     this.ctx.bindFramebuffer(this.ctx.FRAMEBUFFER, glLayer.framebuffer);
     if (session.isAR) {
       this.ctx.dontClearOnFrameStart = true;
+      this.ctx.clear(this.ctx.STENCIL_BUFFER_BIT | this.ctx.DEPTH_BUFFER_BIT);
     } else {
       this.ctx.clear(this.ctx.COLOR_BUFFER_BIT | this.ctx.DEPTH_BUFFER_BIT);
     }

Packages/webxr/Hidden~/WebGLTemplates/WebXRFullView/webxr.js

@@ -791,6 +791,7 @@
     this.ctx.bindFramebuffer(this.ctx.FRAMEBUFFER, glLayer.framebuffer);
     if (session.isAR) {
       this.ctx.dontClearOnFrameStart = true;
+      this.ctx.clear(this.ctx.STENCIL_BUFFER_BIT | this.ctx.DEPTH_BUFFER_BIT);
     } else {
       this.ctx.clear(this.ctx.COLOR_BUFFER_BIT | this.ctx.DEPTH_BUFFER_BIT);
     }

Packages/webxr/Hidden~/WebGLTemplates/WebXRFullView2020/webxr.js

@@ -791,6 +791,7 @@
     this.ctx.bindFramebuffer(this.ctx.FRAMEBUFFER, glLayer.framebuffer);
     if (session.isAR) {
       this.ctx.dontClearOnFrameStart = true;
+      this.ctx.clear(this.ctx.STENCIL_BUFFER_BIT | this.ctx.DEPTH_BUFFER_BIT);
     } else {
       this.ctx.clear(this.ctx.COLOR_BUFFER_BIT | this.ctx.DEPTH_BUFFER_BIT);
     }