diff --git a/examples/js/ShaderSkin.js b/examples/js/ShaderSkin.js
index b5f55d3f790b073671ca4fa5e12e53d21a58905e..f7dbd70d1be7ae093df90900b1e6b8be68ffa01c 100644
--- a/examples/js/ShaderSkin.js
+++ b/examples/js/ShaderSkin.js
@@ -84,7 +84,7 @@ THREE.ShaderSkin = {
 			THREE.ShaderChunk[ "common" ],
 			THREE.ShaderChunk[ "bsdfs" ],
 			THREE.ShaderChunk[ "packing" ],
-			THREE.ShaderChunk[ "begin_lights_pars" ],
+			THREE.ShaderChunk[ "lights_pars_begin" ],
 			THREE.ShaderChunk[ "shadowmap_pars_fragment" ],
 			THREE.ShaderChunk[ "fog_pars_fragment" ],
 			THREE.ShaderChunk[ "bumpmap_pars_fragment" ],
@@ -264,7 +264,7 @@ THREE.ShaderSkin = {
 			"varying vec3 vViewPosition;",
 
 			THREE.ShaderChunk[ "common" ],
-			THREE.ShaderChunk[ "begin_lights_pars" ],
+			THREE.ShaderChunk[ "lights_pars_begin" ],
 			THREE.ShaderChunk[ "shadowmap_pars_vertex" ],
 			THREE.ShaderChunk[ "fog_pars_vertex" ],
 
@@ -368,7 +368,7 @@ THREE.ShaderSkin = {
 			"varying vec3 vViewPosition;",
 
 			THREE.ShaderChunk[ "common" ],
-			THREE.ShaderChunk[ "begin_lights_pars" ],
+			THREE.ShaderChunk[ "lights_pars_begin" ],
 			THREE.ShaderChunk[ "fog_pars_fragment" ],
 
 			"float fresnelReflectance( vec3 H, vec3 V, float F0 ) {",
diff --git a/examples/js/nodes/materials/PhongNode.js b/examples/js/nodes/materials/PhongNode.js
index afb2f26a1341b466146cf6ea2803d4d3ada3903d..cd2111ccd1352715083b05c23d0f5577c8697f5c 100644
--- a/examples/js/nodes/materials/PhongNode.js
+++ b/examples/js/nodes/materials/PhongNode.js
@@ -144,7 +144,7 @@ THREE.PhongNode.prototype.build = function ( builder ) {
 			"#include <common>",
 			"#include <fog_pars_fragment>",
 			"#include <bsdfs>",
-			"#include <begin_lights_pars>",
+			"#include <lights_pars_begin>",
 			"#include <lights_phong_pars_fragment>",
 			"#include <shadowmap_pars_fragment>",
 			"#include <logdepthbuf_pars_fragment>"
@@ -208,8 +208,8 @@ THREE.PhongNode.prototype.build = function ( builder ) {
 			'material.specularShininess = shininess;',
 			'material.specularStrength = specularStrength;',
 
-			"#include <begin_lights_fragment>",
-			"#include <end_lights_fragment>"
+			"#include <lights_fragment_begin>",
+			"#include <lights_fragment_end>"
 		);
 
 		if ( light ) {
diff --git a/examples/js/nodes/materials/StandardNode.js b/examples/js/nodes/materials/StandardNode.js
index 30f6c647c68078da4f1a10d5e99e4920c4d1b1e6..8381f875f21ff2b9e3af343f1147dae9420cff5c 100644
--- a/examples/js/nodes/materials/StandardNode.js
+++ b/examples/js/nodes/materials/StandardNode.js
@@ -182,7 +182,7 @@ THREE.StandardNode.prototype.build = function ( builder ) {
 			"#include <common>",
 			"#include <fog_pars_fragment>",
 			"#include <bsdfs>",
-			"#include <begin_lights_pars>",
+			"#include <lights_pars_begin>",
 			"#include <lights_physical_pars_fragment>",
 			"#include <shadowmap_pars_fragment>",
 			"#include <logdepthbuf_pars_fragment>",
@@ -287,8 +287,8 @@ THREE.StandardNode.prototype.build = function ( builder ) {
 		}
 
 		output.push(
-			"#include <begin_lights_fragment>",
-			"#include <end_lights_fragment>"
+			"#include <lights_fragment_begin>",
+			"#include <lights_fragment_end>"
 		);
 
 		if ( light ) {
diff --git a/examples/js/objects/Water.js b/examples/js/objects/Water.js
index 45a2006f32430d6869e730f6e3f2a901583965fa..2b5ee95c8bc6e74ecb9918d287c9be54fea2bc59 100644
--- a/examples/js/objects/Water.js
+++ b/examples/js/objects/Water.js
@@ -144,7 +144,7 @@ THREE.Water = function ( geometry, options ) {
 			THREE.ShaderChunk[ 'packing' ],
 			THREE.ShaderChunk[ 'bsdfs' ],
 			THREE.ShaderChunk[ 'fog_pars_fragment' ],
-			THREE.ShaderChunk[ 'begin_lights_pars' ],
+			THREE.ShaderChunk[ 'lights_pars_begin' ],
 			THREE.ShaderChunk[ 'shadowmap_pars_fragment' ],
 			THREE.ShaderChunk[ 'shadowmask_pars_fragment' ],
 
diff --git a/src/renderers/shaders/ShaderChunk.js b/src/renderers/shaders/ShaderChunk.js
index 24aba594ad13c6fb40b29d0453643b1914aca252..7e436e1f5011b8f3698fe5769692dfe15a4ee568 100644
--- a/src/renderers/shaders/ShaderChunk.js
+++ b/src/renderers/shaders/ShaderChunk.js
@@ -36,15 +36,15 @@ import gradientmap_pars_fragment from './ShaderChunk/gradientmap_pars_fragment.g
 import lightmap_fragment from './ShaderChunk/lightmap_fragment.glsl';
 import lightmap_pars_fragment from './ShaderChunk/lightmap_pars_fragment.glsl';
 import lights_lambert_vertex from './ShaderChunk/lights_lambert_vertex.glsl';
-import begin_lights_pars from './ShaderChunk/begin_lights_pars.glsl';
-import maps_lights_pars from './ShaderChunk/maps_lights_pars.glsl';
+import lights_pars_begin from './ShaderChunk/lights_pars_begin.glsl';
+import lights_pars_maps from './ShaderChunk/lights_pars_maps.glsl';
 import lights_phong_fragment from './ShaderChunk/lights_phong_fragment.glsl';
 import lights_phong_pars_fragment from './ShaderChunk/lights_phong_pars_fragment.glsl';
 import lights_physical_fragment from './ShaderChunk/lights_physical_fragment.glsl';
 import lights_physical_pars_fragment from './ShaderChunk/lights_physical_pars_fragment.glsl';
-import begin_lights_fragment from './ShaderChunk/begin_lights_fragment.glsl';
-import maps_lights_fragment from './ShaderChunk/maps_lights_fragment.glsl';
-import end_lights_fragment from './ShaderChunk/end_lights_fragment.glsl';
+import lights_fragment_begin from './ShaderChunk/lights_fragment_begin.glsl';
+import lights_fragment_maps from './ShaderChunk/lights_fragment_maps.glsl';
+import lights_fragment_end from './ShaderChunk/lights_fragment_end.glsl';
 import logdepthbuf_fragment from './ShaderChunk/logdepthbuf_fragment.glsl';
 import logdepthbuf_pars_fragment from './ShaderChunk/logdepthbuf_pars_fragment.glsl';
 import logdepthbuf_pars_vertex from './ShaderChunk/logdepthbuf_pars_vertex.glsl';
@@ -151,15 +151,15 @@ export var ShaderChunk = {
 	lightmap_fragment: lightmap_fragment,
 	lightmap_pars_fragment: lightmap_pars_fragment,
 	lights_lambert_vertex: lights_lambert_vertex,
-	begin_lights_pars: begin_lights_pars,
-	maps_lights_pars: maps_lights_pars,
+	lights_pars_begin: lights_pars_begin,
+	lights_pars_maps: lights_pars_maps,
 	lights_phong_fragment: lights_phong_fragment,
 	lights_phong_pars_fragment: lights_phong_pars_fragment,
 	lights_physical_fragment: lights_physical_fragment,
 	lights_physical_pars_fragment: lights_physical_pars_fragment,
-	begin_lights_fragment: begin_lights_fragment,
-	maps_lights_fragment: maps_lights_fragment,
-	end_lights_fragment: end_lights_fragment,
+	lights_fragment_begin: lights_fragment_begin,
+	lights_fragment_maps: lights_fragment_maps,
+	lights_fragment_end: lights_fragment_end,
 	logdepthbuf_fragment: logdepthbuf_fragment,
 	logdepthbuf_pars_fragment: logdepthbuf_pars_fragment,
 	logdepthbuf_pars_vertex: logdepthbuf_pars_vertex,
diff --git a/src/renderers/shaders/ShaderChunk/begin_lights_fragment.glsl b/src/renderers/shaders/ShaderChunk/lights_fragment_begin.glsl
similarity index 100%
rename from src/renderers/shaders/ShaderChunk/begin_lights_fragment.glsl
rename to src/renderers/shaders/ShaderChunk/lights_fragment_begin.glsl
diff --git a/src/renderers/shaders/ShaderChunk/end_lights_fragment.glsl b/src/renderers/shaders/ShaderChunk/lights_fragment_end.glsl
similarity index 100%
rename from src/renderers/shaders/ShaderChunk/end_lights_fragment.glsl
rename to src/renderers/shaders/ShaderChunk/lights_fragment_end.glsl
diff --git a/src/renderers/shaders/ShaderChunk/maps_lights_fragment.glsl b/src/renderers/shaders/ShaderChunk/lights_fragment_maps.glsl
similarity index 100%
rename from src/renderers/shaders/ShaderChunk/maps_lights_fragment.glsl
rename to src/renderers/shaders/ShaderChunk/lights_fragment_maps.glsl
diff --git a/src/renderers/shaders/ShaderChunk/begin_lights_pars.glsl b/src/renderers/shaders/ShaderChunk/lights_pars_begin.glsl
similarity index 100%
rename from src/renderers/shaders/ShaderChunk/begin_lights_pars.glsl
rename to src/renderers/shaders/ShaderChunk/lights_pars_begin.glsl
diff --git a/src/renderers/shaders/ShaderChunk/maps_lights_pars.glsl b/src/renderers/shaders/ShaderChunk/lights_pars_maps.glsl
similarity index 100%
rename from src/renderers/shaders/ShaderChunk/maps_lights_pars.glsl
rename to src/renderers/shaders/ShaderChunk/lights_pars_maps.glsl
diff --git a/src/renderers/shaders/ShaderLib/meshlambert_frag.glsl b/src/renderers/shaders/ShaderLib/meshlambert_frag.glsl
index e9c1288a9de6692a6a301830c6c517382f5b71d5..12bc9e2c85f04a48a637387a158962815947abeb 100644
--- a/src/renderers/shaders/ShaderLib/meshlambert_frag.glsl
+++ b/src/renderers/shaders/ShaderLib/meshlambert_frag.glsl
@@ -23,8 +23,8 @@ varying vec3 vLightFront;
 #include <emissivemap_pars_fragment>
 #include <envmap_pars_fragment>
 #include <bsdfs>
-#include <begin_lights_pars>
-#include <maps_lights_pars>
+#include <lights_pars_begin>
+#include <lights_pars_maps>
 #include <fog_pars_fragment>
 #include <shadowmap_pars_fragment>
 #include <shadowmask_pars_fragment>
diff --git a/src/renderers/shaders/ShaderLib/meshlambert_vert.glsl b/src/renderers/shaders/ShaderLib/meshlambert_vert.glsl
index 72b6489b398849e6a4628a966b2a177e73ae4c03..eecf55d63c4e11b48ba82a16e7e295fdc22ce059 100644
--- a/src/renderers/shaders/ShaderLib/meshlambert_vert.glsl
+++ b/src/renderers/shaders/ShaderLib/meshlambert_vert.glsl
@@ -13,8 +13,8 @@ varying vec3 vLightFront;
 #include <uv2_pars_vertex>
 #include <envmap_pars_vertex>
 #include <bsdfs>
-#include <begin_lights_pars>
-#include <maps_lights_pars>
+#include <lights_pars_begin>
+#include <lights_pars_maps>
 #include <color_pars_vertex>
 #include <fog_pars_vertex>
 #include <morphtarget_pars_vertex>
diff --git a/src/renderers/shaders/ShaderLib/meshphong_frag.glsl b/src/renderers/shaders/ShaderLib/meshphong_frag.glsl
index 62b3eb2ba972d58c9e04a728de4ec32f2365e51d..3eb307ac7318ec6b2e8ec606b8449e14e09b2d6c 100644
--- a/src/renderers/shaders/ShaderLib/meshphong_frag.glsl
+++ b/src/renderers/shaders/ShaderLib/meshphong_frag.glsl
@@ -21,8 +21,8 @@ uniform float opacity;
 #include <gradientmap_pars_fragment>
 #include <fog_pars_fragment>
 #include <bsdfs>
-#include <begin_lights_pars>
-#include <maps_lights_pars>
+#include <lights_pars_begin>
+#include <lights_pars_maps>
 #include <lights_phong_pars_fragment>
 #include <shadowmap_pars_fragment>
 #include <bumpmap_pars_fragment>
@@ -50,9 +50,9 @@ void main() {
 
 	// accumulation
 	#include <lights_phong_fragment>
-	#include <begin_lights_fragment>
-	#include <maps_lights_fragment>
-	#include <end_lights_fragment>
+	#include <lights_fragment_begin>
+	#include <lights_fragment_maps>
+	#include <lights_fragment_end>
 
 	// modulation
 	#include <aomap_fragment>
diff --git a/src/renderers/shaders/ShaderLib/meshphysical_frag.glsl b/src/renderers/shaders/ShaderLib/meshphysical_frag.glsl
index 02db13bebdc0afa0db580be59c92904ef789540a..1e80be0f0cc6c4cd275b5f9f4d24c425b528c9c5 100644
--- a/src/renderers/shaders/ShaderLib/meshphysical_frag.glsl
+++ b/src/renderers/shaders/ShaderLib/meshphysical_frag.glsl
@@ -34,8 +34,8 @@ varying vec3 vViewPosition;
 #include <fog_pars_fragment>
 #include <bsdfs>
 #include <cube_uv_reflection_fragment>
-#include <begin_lights_pars>
-#include <maps_lights_pars>
+#include <lights_pars_begin>
+#include <lights_pars_maps>
 #include <lights_physical_pars_fragment>
 #include <shadowmap_pars_fragment>
 #include <bumpmap_pars_fragment>
@@ -65,9 +65,9 @@ void main() {
 
 	// accumulation
 	#include <lights_physical_fragment>
-	#include <begin_lights_fragment>
-	#include <maps_lights_fragment>
-	#include <end_lights_fragment>
+	#include <lights_fragment_begin>
+	#include <lights_fragment_maps>
+	#include <lights_fragment_end>
 
 	// modulation
 	#include <aomap_fragment>
diff --git a/src/renderers/shaders/ShaderLib/shadow_frag.glsl b/src/renderers/shaders/ShaderLib/shadow_frag.glsl
index d668a198591c1db14f3ffb5fb621f47461bcabfe..67ead617e7e07a3f430b9ba8178971229b070939 100644
--- a/src/renderers/shaders/ShaderLib/shadow_frag.glsl
+++ b/src/renderers/shaders/ShaderLib/shadow_frag.glsl
@@ -5,7 +5,7 @@ uniform float opacity;
 #include <packing>
 #include <fog_pars_fragment>
 #include <bsdfs>
-#include <begin_lights_pars>
+#include <lights_pars_begin>
 #include <shadowmap_pars_fragment>
 #include <shadowmask_pars_fragment>