Examples: Simplified webgl_loader_texture_hdrjpg example.

Author: mrdoob

examples/textures/gainmap/spruit_sunrise_1k.hdr renamed to examples/textures/equirectangular/spruit_sunrise_1k.hdr

@@ -54,7 +54,7 @@
 			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
 			import { RGBELoader } from 'three/addons/loaders/RGBELoader.js';
 
-			import { GainMapLoader, HDRJPGLoader } from '@monogrid/gainmap-js';
+			import { HDRJPGLoader } from '@monogrid/gainmap-js';
 
 			const params = {
 				envMap: 'HDR JPG',
@@ -68,10 +68,9 @@
 			let camera, scene, renderer, controls;
 			let torusMesh, planeMesh;
 			let hdrJpg, hdrJpgPMREMRenderTarget, hdrJpgEquirectangularMap;
-			let gainMap, gainMapPMREMRenderTarget, gainMapBackground;
 			let hdrPMREMRenderTarget, hdrEquirectangularMap;
 
-			
+
 			const fileSizes = {};
 			const resolutions = {};
 
@@ -127,14 +126,15 @@
 
 
 				hdrJpg = new HDRJPGLoader( renderer )
-					.load( 'textures/gainmap/spruit_sunrise_4k.jpg', function ( ) {
+					.load( 'textures/equirectangular/spruit_sunrise_4k.hdr.jpg', function ( ) {
 
 						resolutions[ 'HDR JPG' ] = hdrJpg.width + 'x' + hdrJpg.height;
+
 						displayStats( 'HDR JPG' );
-			
+
 						hdrJpgEquirectangularMap = hdrJpg.renderTarget.texture;
 						hdrJpgPMREMRenderTarget = pmremGenerator.fromEquirectangular( hdrJpgEquirectangularMap );
-			
+
 						hdrJpgEquirectangularMap.mapping = THREE.EquirectangularReflectionMapping;
 						hdrJpgEquirectangularMap.needsUpdate = true;
 
@@ -143,37 +143,14 @@
 					}, function ( progress ) {
 
 						fileSizes[ 'HDR JPG' ] = humanFileSize( progress.total );
-			
-					} );
-
-				gainMap = new GainMapLoader( renderer )
-					.load( [
-						'textures/gainmap/spruit_sunrise_4k.webp',
-						'textures/gainmap/spruit_sunrise_4k-gainmap.webp',
-						'textures/gainmap/spruit_sunrise_4k.json'
-					], function ( ) {
-
-						resolutions[ 'Webp Gain map (separate)' ] = gainMap.width + 'x' + gainMap.height;
-			
-						gainMapBackground = gainMap.renderTarget.texture;
-						gainMapPMREMRenderTarget = pmremGenerator.fromEquirectangular( gainMapBackground );
-
-						gainMapBackground.mapping = THREE.EquirectangularReflectionMapping;
-						gainMapBackground.needsUpdate = true;
-
-						gainMap.dispose();
-			
-					}, function ( progress ) {
-
-						fileSizes[ 'Webp Gain map (separate)' ] = humanFileSize( progress.total );
 
 					} );
 
 				hdrEquirectangularMap = new RGBELoader()
-					.load( 'textures/gainmap/spruit_sunrise_1k.hdr', function ( ) {
+					.load( 'textures/equirectangular/spruit_sunrise_1k.hdr', function ( ) {
 
 						resolutions[ 'HDR' ] = hdrEquirectangularMap.image.width + 'x' + hdrEquirectangularMap.image.height;
-			
+
 						hdrPMREMRenderTarget = pmremGenerator.fromEquirectangular( hdrEquirectangularMap );
 
 						hdrEquirectangularMap.mapping = THREE.EquirectangularReflectionMapping;
@@ -202,13 +179,13 @@
 
 				const gui = new GUI();
 
-				gui.add( params, 'envMap', [ 'HDR JPG', 'Webp Gain map (separate)', 'HDR' ] ).onChange( displayStats );
+				gui.add( params, 'envMap', [ 'HDR JPG', 'HDR' ] ).onChange( displayStats );
 				gui.add( params, 'roughness', 0, 1, 0.01 );
 				gui.add( params, 'metalness', 0, 1, 0.01 );
 				gui.add( params, 'exposure', 0, 2, 0.01 );
 				gui.add( params, 'debug' );
 				gui.open();
-			
+
 				function displayStats( value ) {
 
 					lbl.innerHTML = value + ' size : ' + fileSizes[ value ] + ', Resolution: ' + resolutions[ value ];
@@ -281,10 +258,6 @@
 						pmremRenderTarget = hdrJpgPMREMRenderTarget;
 						equirectangularMap = hdrJpgEquirectangularMap;
 						break;
-					case 'Webp Gain map (separate)':
-						pmremRenderTarget = gainMapPMREMRenderTarget;
-						equirectangularMap = gainMapBackground;
-						break;
 					case 'HDR':
 						pmremRenderTarget = hdrPMREMRenderTarget;
 						equirectangularMap = hdrEquirectangularMap;