BufferAttribute: add gpuType (#469)

* BufferAttribute: add gpuType * Shorten line --------- Co-authored-by: Nathan Bierema <[email protected]>
three-types · Jun 29, 2023 · 9613fa7 · 9613fa7
1 parent c1ebc57
commit 9613fa7
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/types/three/src/constants.d.ts b/types/three/src/constants.d.ts
@@ -323,6 +323,8 @@ export const UnsignedShort4444Type: 1017;
 export const UnsignedShort5551Type: 1018;
 export const UnsignedInt248Type: 1020;
 
+export type AttributeGPUType = typeof FloatType | typeof IntType;
+
 /**
  * Texture Types.
  * @remarks Must correspond to the correct {@link PixelFormat | format}.

diff --git a/types/three/src/core/BufferAttribute.d.ts b/types/three/src/core/BufferAttribute.d.ts
@@ -1,4 +1,4 @@
-import { Usage } from '../constants';
+import { Usage, AttributeGPUType } from '../constants';
 import { Matrix3 } from './../math/Matrix3';
 import { Matrix4 } from './../math/Matrix4';
 
@@ -66,6 +66,14 @@ export class BufferAttribute {
      */
     usage: Usage;
 
+    /**
+     * Configures the bound GPU type for use in shaders. Either {@link FloatType} or {@link IntType}, default is {@link FloatType}.
+     *
+     * Note: this only has an effect for integer arrays and is not configurable for float arrays. For lower precision
+     * float types, see https://threejs.org/docs/#api/en/core/bufferAttributeTypes/BufferAttributeTypes.
+     */
+    gpuType: AttributeGPUType;
+
     /**
      * This can be used to only update some components of stored vectors (for example, just the component related to color).
      * @defaultValue `{ offset: number = 0; count: number = -1 }`