use EXT_frag_depth for depth sensing

src/materials/LineBasicMaterial.js

@@ -21,8 +21,6 @@ class LineBasicMaterial extends Material {
 
 		this.fog = true;
 
-		this.occlusion = true;
-
 		this.setValues( parameters );
 
 	}
@@ -42,8 +40,6 @@ class LineBasicMaterial extends Material {
 
 		this.fog = source.fog;
 
-		this.occlusion = source.occlusion;
-
 		return this;
 
 	}

src/materials/MeshBasicMaterial.js

@@ -38,8 +38,6 @@ class MeshBasicMaterial extends Material {
 
 		this.fog = true;
 
-		this.occlusion = true;
-
 		this.setValues( parameters );
 
 	}
@@ -74,8 +72,6 @@ class MeshBasicMaterial extends Material {
 
 		this.fog = source.fog;
 
-		this.occlusion = source.occlusion;
-
 		return this;
 
 	}

src/materials/MeshLambertMaterial.js

@@ -56,8 +56,6 @@ class MeshLambertMaterial extends Material {
 
 		this.fog = true;
 
-		this.occlusion = true;
-
 		this.setValues( parameters );
 
 	}
@@ -109,8 +107,6 @@ class MeshLambertMaterial extends Material {
 
 		this.fog = source.fog;
 
-		this.occlusion = source.occlusion;
-
 		return this;
 
 	}

src/materials/MeshMatcapMaterial.js

@@ -38,8 +38,6 @@ class MeshMatcapMaterial extends Material {
 
 		this.fog = true;
 
-		this.occlusion = true;
-
 		this.setValues( parameters );
 
 	}
@@ -74,8 +72,6 @@ class MeshMatcapMaterial extends Material {
 
 		this.fog = source.fog;
 
-		this.occlusion = source.occlusion;
-
 		return this;
 
 	}

src/materials/MeshPhongMaterial.js

@@ -58,8 +58,6 @@ class MeshPhongMaterial extends Material {
 
 		this.fog = true;
 
-		this.occlusion = true;
-
 		this.setValues( parameters );
 
 	}
@@ -113,8 +111,6 @@ class MeshPhongMaterial extends Material {
 
 		this.fog = source.fog;
 
-		this.occlusion = source.occlusion;
-
 		return this;
 
 	}

src/materials/MeshStandardMaterial.js

@@ -60,8 +60,6 @@ class MeshStandardMaterial extends Material {
 
 		this.fog = true;
 
-		this.occlusion = true;
-
 		this.setValues( parameters );
 
 	}
@@ -117,8 +115,6 @@ class MeshStandardMaterial extends Material {
 
 		this.fog = source.fog;
 
-		this.occlusion = source.occlusion;
-
 		return this;
 
 	}

src/materials/MeshToonMaterial.js

@@ -50,8 +50,6 @@ class MeshToonMaterial extends Material {
 
 		this.fog = true;
 
-		this.occlusion = true;
-
 		this.setValues( parameters );
 
 	}
@@ -95,8 +93,6 @@ class MeshToonMaterial extends Material {
 
 		this.fog = source.fog;
 
-		this.occlusion = source.occlusion;
-
 		return this;
 
 	}

src/materials/PointsMaterial.js

@@ -22,8 +22,6 @@ class PointsMaterial extends Material {
 
 		this.fog = true;
 
-		this.occlusion = true;
-
 		this.setValues( parameters );
 
 	}
@@ -43,8 +41,6 @@ class PointsMaterial extends Material {
 
 		this.fog = source.fog;
 
-		this.occlusion = source.occlusion;
-
 		return this;
 
 	}

src/materials/ShaderMaterial.js

@@ -80,8 +80,6 @@ class ShaderMaterial extends Material {
 		this.lights = source.lights;
 		this.clipping = source.clipping;
 
-		this.occlusion = source.occlusion;
-
 		this.extensions = Object.assign( {}, source.extensions );
 
 		this.glslVersion = source.glslVersion;

src/renderers/WebGLRenderer.js

@@ -210,7 +210,6 @@ class WebGLRenderer {
 		const _vector3 = new Vector3();
 
 		const _emptyScene = { background: null, fog: null, environment: null, overrideMaterial: null, isScene: true };
-		let _occlusion = null;
 
 		function getTargetPixelRatio() {
 
@@ -416,20 +415,6 @@ class WebGLRenderer {
 
 		};
 
-		this.setOcclusion = function ( value ) {
-
-			if ( value === undefined ) return;
-
-			_occlusion = value;
-
-		};
-
-		this.clearOcclusion = function () {
-
-			_occlusion = null;
-
-		};
-
 		this.getSize = function ( target ) {
 
 			return target.set( _width, _height );
@@ -1149,7 +1134,7 @@ class WebGLRenderer {
 
 		// Rendering
 
-		this.render = function ( scene, camera ) {
+		this.render = function ( scene, camera, renderingOcclusion ) {
 
 			if ( camera !== undefined && camera.isCamera !== true ) {
 
@@ -1226,6 +1211,12 @@ class WebGLRenderer {
 
 			background.render( currentRenderList, scene );
 
+			if ( xr.enabled === true && xr.getOcclusionScene() && ! renderingOcclusion ) {
+
+				this.render( xr.getOcclusionScene(), camera, true );
+
+			}
+
 			// render scene
 
 			currentRenderState.setupLights( _this._useLegacyLights );
@@ -1615,7 +1606,7 @@ class WebGLRenderer {
 
 			const lightsStateVersion = lights.state.version;
 
-			const parameters = programCache.getParameters( material, lights.state, shadowsArray, scene, object, _occlusion );
+			const parameters = programCache.getParameters( material, lights.state, shadowsArray, scene, object );
 			const programCacheKey = programCache.getProgramCacheKey( parameters );
 
 			let programs = materialProperties.programs;
@@ -1855,10 +1846,6 @@ class WebGLRenderer {
 
 					needsProgramChange = true;
 
-				} else if ( material.occlusion === true ) {
-
-					needsProgramChange = true;
-
 				} else if ( materialProperties.numClippingPlanes !== undefined &&
 					( materialProperties.numClippingPlanes !== clipping.numPlanes ||
 					materialProperties.numIntersection !== clipping.numIntersection ) ) {
@@ -2073,12 +2060,6 @@ class WebGLRenderer {
 
 				}
 
-				if ( _occlusion && material.occlusion === true ) {
-
-					materials.refreshOcclusionUniforms( m_uniforms, _occlusion );
-
-				}
-
 				materials.refreshMaterialUniforms( m_uniforms, material, _pixelRatio, _height, _transmissionRenderTarget );
 
 				WebGLUniforms.upload( _gl, getUniformList( materialProperties ), m_uniforms, textures );

src/renderers/shaders/ShaderChunk.js

@@ -75,8 +75,6 @@ import normal_pars_fragment from './ShaderChunk/normal_pars_fragment.glsl.js';
 import normal_pars_vertex from './ShaderChunk/normal_pars_vertex.glsl.js';
 import normal_vertex from './ShaderChunk/normal_vertex.glsl.js';
 import normalmap_pars_fragment from './ShaderChunk/normalmap_pars_fragment.glsl.js';
-import occlusion_fragment from './ShaderChunk/occlusion_fragment.glsl.js';
-import occlusion_pars_fragment from './ShaderChunk/occlusion_pars_fragment.glsl.js';
 import clearcoat_normal_fragment_begin from './ShaderChunk/clearcoat_normal_fragment_begin.glsl.js';
 import clearcoat_normal_fragment_maps from './ShaderChunk/clearcoat_normal_fragment_maps.glsl.js';
 import clearcoat_pars_fragment from './ShaderChunk/clearcoat_pars_fragment.glsl.js';
@@ -204,8 +202,6 @@ export const ShaderChunk = {
 	normal_pars_vertex: normal_pars_vertex,
 	normal_vertex: normal_vertex,
 	normalmap_pars_fragment: normalmap_pars_fragment,
-	occlusion_fragment: occlusion_fragment,
-	occlusion_pars_fragment: occlusion_pars_fragment,
 	clearcoat_normal_fragment_begin: clearcoat_normal_fragment_begin,
 	clearcoat_normal_fragment_maps: clearcoat_normal_fragment_maps,
 	clearcoat_pars_fragment: clearcoat_pars_fragment,