GLBufferAttribute: Add normalized property.

examples-testing/changes.patch

@@ -2562,7 +2562,7 @@ index 142ff43b..903b59ee 100644
      camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 1, 4000);
      camera.position.z = 1750;
 diff --git a/examples-testing/examples/webgl_buffergeometry_glbufferattribute.ts b/examples-testing/examples/webgl_buffergeometry_glbufferattribute.ts
-index aea462cf..f66207e2 100644
+index 80fa828b..77f1bc38 100644
 --- a/examples-testing/examples/webgl_buffergeometry_glbufferattribute.ts
 +++ b/examples-testing/examples/webgl_buffergeometry_glbufferattribute.ts
 @@ -2,11 +2,11 @@ import * as THREE from 'three';
@@ -2598,7 +2598,7 @@ index aea462cf..f66207e2 100644
 
      const positions = [];
      const positions2 = [];
-@@ -71,15 +71,15 @@ function init() {
+@@ -72,15 +72,15 @@ function init() {
 
      const gl = renderer.getContext();
 
@@ -2615,7 +2615,7 @@ index aea462cf..f66207e2 100644
 -    const rgb = gl.createBuffer();
 +    const rgb = gl.createBuffer()!;
      gl.bindBuffer(gl.ARRAY_BUFFER, rgb);
-     gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(colors), gl.STATIC_DRAW);
+     gl.bufferData(gl.ARRAY_BUFFER, new Uint8Array(colors), gl.STATIC_DRAW);
 
 diff --git a/examples-testing/examples/webgl_buffergeometry_indexed.ts b/examples-testing/examples/webgl_buffergeometry_indexed.ts
 index a2f9f379..4ad49d3c 100644

types/three/src/core/GLBufferAttribute.d.ts

@@ -18,8 +18,16 @@ export class GLBufferAttribute {
      * @param itemSize How many values make up each item (vertex). See {@link GLBufferAttribute.itemSize | .itemSize}
      * @param elementSize `1`, `2` or `4`. The corresponding size (in bytes) for the given {@link type} param. See {@link GLBufferAttribute.elementSize | .elementSize}
      * @param count The expected number of vertices in VBO. See {@link GLBufferAttribute.count | .count}
+     * @param {boolean} [normalized=false] - Whether the data are normalized or not.
      */
-    constructor(buffer: WebGLBuffer, type: GLenum, itemSize: number, elementSize: 1 | 2 | 4, count: number);
+    constructor(
+        buffer: WebGLBuffer,
+        type: GLenum,
+        itemSize: number,
+        elementSize: 1 | 2 | 4,
+        count: number,
+        normalized?: boolean,
+    );
 
     /**
      * Read-only flag to check if a given object is of type {@link GLBufferAttribute}.
@@ -87,6 +95,15 @@ export class GLBufferAttribute {
      */
     count: number;
 
+    /**
+     * Applies to integer data only. Indicates how the underlying data in the buffer maps to
+     * the values in the GLSL code. For instance, if `buffer` contains data of `gl.UNSIGNED_SHORT`,
+     * and `normalized` is `true`, the values `0 - +65535` in the buffer data will be mapped to
+     * `0.0f - +1.0f` in the GLSL attribute. If `normalized` is `false`, the values will be converted
+     * to floats unmodified, i.e. `65535` becomes `65535.0f`.
+     */
+    normalized: boolean;
+
     /**
      * A version number, incremented every time the needsUpdate property is set to true.
      * @remarks Expects a `Integer`