Reorganize the compressed-texture package (pixijs#6945)

bundles/pixi.js/package.json

@@ -40,6 +40,7 @@
   "dependencies": {
     "@pixi/accessibility": "5.3.2",
     "@pixi/app": "5.3.2",
+    "@pixi/compressed-textures": "5.3.2",
     "@pixi/constants": "5.3.2",
     "@pixi/core": "5.3.2",
     "@pixi/display": "5.3.2",
@@ -53,7 +54,6 @@
     "@pixi/graphics": "5.3.2",
     "@pixi/interaction": "5.3.2",
     "@pixi/loaders": "5.3.2",
-    "@pixi/compressed-textures": "5.3.2",
     "@pixi/math": "5.3.2",
     "@pixi/mesh": "5.3.2",
     "@pixi/mesh-extras": "5.3.2",
@@ -74,4 +74,4 @@
     "@pixi/ticker": "5.3.2",
     "@pixi/utils": "5.3.2"
   }
-}
+}

packages/basis/package.json

@@ -36,6 +36,7 @@
   },
   "dependencies": {
     "@pixi/core": "5.3.2",
+    "@pixi/compressed-textures": "5.3.2",
     "@pixi/constants": "5.3.2",
     "@pixi/runner": "5.3.2",
     "@pixi/loaders": "5.3.2"

packages/basis/src/Basis.ts

@@ -1,4 +1,5 @@
-import { INTERNAL_FORMATS, TYPES } from '@pixi/constants';
+import { TYPES } from '@pixi/constants';
+import { INTERNAL_FORMATS } from '@pixi/compressed-textures';
 
 /**
  * The transcoding formats provided by basis_universal.

packages/basis/src/BasisLoader.ts

@@ -1,5 +1,6 @@
-import { INTERNAL_FORMATS, TYPES, MIPMAP_MODES, ALPHA_MODES, FORMATS } from '@pixi/constants';
-import { BaseTexture, BufferResource, CompressedTextureResource, Texture } from '@pixi/core';
+import { TYPES, MIPMAP_MODES, ALPHA_MODES, FORMATS } from '@pixi/constants';
+import { BaseTexture, BufferResource, Texture } from '@pixi/core';
+import { CompressedTextureResource, INTERNAL_FORMATS } from '@pixi/compressed-textures';
 import {
     BASIS_FORMATS,
     BASIS_FORMAT_TO_INTERNAL_FORMAT,

packages/compressed-textures/src/const.ts

@@ -0,0 +1,122 @@
+/**
+ * WebGL internal formats, including compressed texture formats provided by extensions
+ *
+ * @memberof PIXI
+ * @static
+ * @name INTERNAL_FORMATS
+ * @enum {number}
+ * @property {number} COMPRESSED_RGB_S3TC_DXT1_EXT=0x83F0
+ * @property {number} COMPRESSED_RGBA_S3TC_DXT1_EXT=0x83F1
+ * @property {number} COMPRESSED_RGBA_S3TC_DXT3_EXT=0x83F2
+ * @property {number} COMPRESSED_RGBA_S3TC_DXT5_EXT=0x83F3
+ * @property {number} COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT=35917
+ * @property {number} COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT=35918
+ * @property {number} COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT=35919
+ * @property {number} COMPRESSED_SRGB_S3TC_DXT1_EXT=35916
+ * @property {number} COMPRESSED_R11_EAC=0x9270
+ * @property {number} COMPRESSED_SIGNED_R11_EAC=0x9271
+ * @property {number} COMPRESSED_RG11_EAC=0x9272
+ * @property {number} COMPRESSED_SIGNED_RG11_EAC=0x9273
+ * @property {number} COMPRESSED_RGB8_ETC2=0x9274
+ * @property {number} COMPRESSED_RGBA8_ETC2_EAC=0x9275
+ * @property {number} COMPRESSED_SRGB8_ETC2=0x9276
+ * @property {number} COMPRESSED_SRGB8_ALPHA8_ETC2_EAC=0x9277
+ * @property {number} COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2=0x9278
+ * @property {number} COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2= 0x9279
+ * @property {number} COMPRESSED_RGB_PVRTC_4BPPV1_IMG=0x8C00
+ * @property {number} COMPRESSED_RGBA_PVRTC_4BPPV1_IMG=0x8C02
+ * @property {number} COMPRESSED_RGB_PVRTC_2BPPV1_IMG=0x8C01
+ * @property {number} COMPRESSED_RGBA_PVRTC_2BPPV1_IMG=0x8C03
+ * @property {number} COMPRESSED_RGB_ETC1_WEBGL=0x8D64
+ * @property {number} COMPRESSED_RGB_ATC_WEBGL=0x8C92
+ * @property {number} COMPRESSED_RGBA_ATC_EXPLICIT_ALPHA_WEBGL=0x8C92
+ * @property {number} COMPRESSED_RGBA_ATC_INTERPOLATED_ALPHA_WEBGL=0x87EE
+ */
+export enum INTERNAL_FORMATS {
+    // WEBGL_compressed_texture_s3tc
+    COMPRESSED_RGB_S3TC_DXT1_EXT = 0x83F0,
+    COMPRESSED_RGBA_S3TC_DXT1_EXT = 0x83F1,
+    COMPRESSED_RGBA_S3TC_DXT3_EXT = 0x83F2,
+    COMPRESSED_RGBA_S3TC_DXT5_EXT = 0x83F3,
+
+    // WEBGL_compressed_texture_s3tc_srgb
+    COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT = 35917,
+    COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT = 35918,
+    COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT = 35919,
+    COMPRESSED_SRGB_S3TC_DXT1_EXT = 35916,
+
+    // WEBGL_compressed_texture_etc
+    COMPRESSED_R11_EAC = 0x9270,
+    COMPRESSED_SIGNED_R11_EAC = 0x9271,
+    COMPRESSED_RG11_EAC = 0x9272,
+    COMPRESSED_SIGNED_RG11_EAC = 0x9273,
+    COMPRESSED_RGB8_ETC2 = 0x9274,
+    COMPRESSED_RGBA8_ETC2_EAC = 0x9275,
+    COMPRESSED_SRGB8_ETC2 = 0x9276,
+    COMPRESSED_SRGB8_ALPHA8_ETC2_EAC = 0x9277,
+    COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 = 0x9278,
+    COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 = 0x9279,
+
+    // WEBGL_compressed_texture_pvrtc
+    COMPRESSED_RGB_PVRTC_4BPPV1_IMG = 0x8C00,
+    COMPRESSED_RGBA_PVRTC_4BPPV1_IMG = 0x8C02,
+    COMPRESSED_RGB_PVRTC_2BPPV1_IMG = 0x8C01,
+    COMPRESSED_RGBA_PVRTC_2BPPV1_IMG = 0x8C03,
+
+    // WEBGL_compressed_texture_etc1
+    COMPRESSED_RGB_ETC1_WEBGL = 0x8D64,
+
+    // WEBGL_compressed_texture_atc
+    COMPRESSED_RGB_ATC_WEBGL = 0x8C92,
+    COMPRESSED_RGBA_ATC_EXPLICIT_ALPHA_WEBGL = 0x8C92, // TODO: Probably a bug on the MDN site
+    COMPRESSED_RGBA_ATC_INTERPOLATED_ALPHA_WEBGL = 0x87EE,
+}
+
+/**
+ * Maps the compressed texture formats in {@link PIXI.INTERNAL_FORMATS} to the number of bytes taken by
+ * each texel.
+ *
+ * @memberof PIXI
+ * @static
+ * @ignore
+ */
+export const INTERNAL_FORMAT_TO_BYTES_PER_PIXEL: { [id: number]: number } = {
+    // WEBGL_compressed_texture_s3tc
+    [INTERNAL_FORMATS.COMPRESSED_RGB_S3TC_DXT1_EXT]: 0.5,
+    [INTERNAL_FORMATS.COMPRESSED_RGBA_S3TC_DXT1_EXT]: 0.5,
+    [INTERNAL_FORMATS.COMPRESSED_RGBA_S3TC_DXT3_EXT]: 1,
+    [INTERNAL_FORMATS.COMPRESSED_RGBA_S3TC_DXT5_EXT]: 1,
+
+    // WEBGL_compressed_texture_s3tc
+    [INTERNAL_FORMATS.COMPRESSED_SRGB_S3TC_DXT1_EXT]: 0.5,
+    [INTERNAL_FORMATS.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT]: 0.5,
+    [INTERNAL_FORMATS.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT]: 1,
+    [INTERNAL_FORMATS.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT]: 1,
+
+    // WEBGL_compressed_texture_etc
+    [INTERNAL_FORMATS.COMPRESSED_R11_EAC]: 0.5,
+    [INTERNAL_FORMATS.COMPRESSED_SIGNED_R11_EAC]: 0.5,
+    [INTERNAL_FORMATS.COMPRESSED_RG11_EAC]: 1,
+    [INTERNAL_FORMATS.COMPRESSED_SIGNED_RG11_EAC]: 1,
+    [INTERNAL_FORMATS.COMPRESSED_RGB8_ETC2]: 0.5,
+    [INTERNAL_FORMATS.COMPRESSED_RGBA8_ETC2_EAC]: 0.5,
+    [INTERNAL_FORMATS.COMPRESSED_SRGB8_ETC2]: 0.5,
+    [INTERNAL_FORMATS.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC]: 0.5,
+    [INTERNAL_FORMATS.COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2]: 0.5, // ~~
+    [INTERNAL_FORMATS.COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2]: 0.5, // ~~
+
+    // WEBGL_compressed_texture_pvrtc
+    [INTERNAL_FORMATS.COMPRESSED_RGB_PVRTC_4BPPV1_IMG]: 0.5,
+    [INTERNAL_FORMATS.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG]: 0.5,
+    [INTERNAL_FORMATS.COMPRESSED_RGB_PVRTC_2BPPV1_IMG]: 0.25,
+    [INTERNAL_FORMATS.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG]: 0.25,
+
+    // WEBGL_compressed_texture_etc1
+    [INTERNAL_FORMATS.COMPRESSED_RGB_ETC1_WEBGL]: 0.5,
+
+    // @see https://www.khronos.org/registry/OpenGL/extensions/AMD/AMD_compressed_ATC_texture.txt
+    // WEBGL_compressed_texture_atc
+    [INTERNAL_FORMATS.COMPRESSED_RGB_ATC_WEBGL]: 0.5,
+    [INTERNAL_FORMATS.COMPRESSED_RGBA_ATC_EXPLICIT_ALPHA_WEBGL]: 1,
+    [INTERNAL_FORMATS.COMPRESSED_RGBA_ATC_INTERPOLATED_ALPHA_WEBGL]: 1
+};

packages/compressed-textures/src/index.ts

@@ -1,9 +1,3 @@
-import { CompressedTextureLoader } from './CompressedTextureLoader';
-import { DDSLoader } from './DDSLoader';
-import { KTXLoader } from './KTXLoader';
-
-export {
-    CompressedTextureLoader,
-    DDSLoader,
-    KTXLoader
-};
+export * from './const';
+export * from './resources';
+export * from './loaders';

packages/compressed-textures/src/CompressedTextureLoader.ts → packages/compressed-textures/src/loaders/CompressedTextureLoader.ts

@@ -1,7 +1,7 @@
 import { LoaderResource } from '@pixi/loaders';
 
 import type { Loader } from '@pixi/loaders';
-import type { INTERNAL_FORMATS } from '@pixi/constants';
+import type { INTERNAL_FORMATS } from '../const';
 import type { ILoaderResource } from '@pixi/loaders';
 
 /**

packages/compressed-textures/src/DDSLoader.ts → packages/compressed-textures/src/loaders/DDSLoader.ts

@@ -1,7 +1,7 @@
-import { CompressedTextureResource } from '@pixi/core';
-import { INTERNAL_FORMATS, INTERNAL_FORMAT_TO_BYTES_PER_PIXEL } from '@pixi/constants';
+import { CompressedTextureResource } from '../resources';
+import { INTERNAL_FORMATS, INTERNAL_FORMAT_TO_BYTES_PER_PIXEL } from '../const';
 import { LoaderResource } from '@pixi/loaders';
-import { registerCompressedTextures } from './registerTextures';
+import { registerCompressedTextures } from './registerCompressedTextures';
 
 import type { ILoaderResource } from '@pixi/loaders';
 

packages/compressed-textures/src/KTXLoader.ts → packages/compressed-textures/src/loaders/KTXLoader.ts

@@ -1,7 +1,8 @@
-import { TYPES, INTERNAL_FORMAT_TO_BYTES_PER_PIXEL, FORMATS } from '@pixi/constants';
-import { CompressedTextureResource, CompressedLevelBuffer } from '@pixi/core';
+import { TYPES, FORMATS } from '@pixi/constants';
+import { INTERNAL_FORMAT_TO_BYTES_PER_PIXEL } from '../const';
+import { CompressedTextureResource, CompressedLevelBuffer } from '../resources/CompressedTextureResource';
 import { LoaderResource } from '@pixi/loaders';
-import { registerCompressedTextures } from './registerTextures';
+import { registerCompressedTextures } from './registerCompressedTextures';
 
 import type { ILoaderResource } from '@pixi/loaders';
 

packages/compressed-textures/src/loaders/index.ts

@@ -0,0 +1,3 @@
+export * from './CompressedTextureLoader';
+export * from './DDSLoader';
+export * from './KTXLoader';

packages/compressed-textures/src/registerTextures.ts → packages/compressed-textures/src/loaders/registerCompressedTextures.ts

@@ -1,9 +1,7 @@
 import { MIPMAP_MODES, ALPHA_MODES } from '@pixi/constants';
 import { BaseTexture, Texture } from '@pixi/core';
 
-/* eslint-disable @typescript-eslint/no-unused-vars */
-import type { CompressedTextureResource } from '@pixi/core';
-/* eslint-enable @typescript-eslint/no-unused-vars */
+import type { CompressedTextureResource } from '../resources/CompressedTextureResource';
 
 /**
  * Creates base-textures and textures for each compressed-texture resource and adds them into the global

packages/core/src/textures/resources/BlobResource.ts → packages/compressed-textures/src/resources/BlobResource.ts

@@ -1,6 +1,4 @@
-import { Resource } from './Resource';
-import { ViewableBuffer } from '../../geometry/ViewableBuffer';
-import { BufferResource } from './BufferResource';
+import { Resource, ViewableBuffer, BufferResource } from '@pixi/core';
 
 interface IBlobOptions
 {

packages/core/src/textures/resources/CompressedTextureResource.ts → packages/compressed-textures/src/resources/CompressedTextureResource.ts

@@ -1,10 +1,8 @@
 import { BlobResource } from './BlobResource';
-import { INTERNAL_FORMAT_TO_BYTES_PER_PIXEL } from '@pixi/constants';
-import { Renderer } from '../../Renderer';
-import { BaseTexture } from '../BaseTexture';
-import { GLTexture } from '../GLTexture';
+import { INTERNAL_FORMAT_TO_BYTES_PER_PIXEL } from '../const';
+import { Renderer, BaseTexture, GLTexture } from '@pixi/core';
 
-import type { INTERNAL_FORMATS } from '@pixi/constants';
+import type { INTERNAL_FORMATS } from '../const';
 
 /**
  * @ignore
@@ -80,8 +78,6 @@ export interface ICompressedTextureResourceOptions
 export class CompressedTextureResource extends BlobResource
 {
     public format: INTERNAL_FORMATS;
-    public width: number;
-    public height: number;
     public levels: number;
 
     // Easy access to the WebGL extension providing support for the compression format via ContextSystem

packages/compressed-textures/src/resources/index.ts

@@ -0,0 +1,2 @@
+export * from './BlobResource';
+export * from './CompressedTextureResource';

packages/constants/src/index.ts

@@ -179,129 +179,6 @@ export enum FORMATS {
     DEPTH_STENCIL = 34041,
 }
 
-/**
- * WebGL internal formats, including compressed texture formats provided by extensions
- *
- * @memberof PIXI
- * @static
- * @name INTERNAL_FORMATS
- * @enum {number}
- * @property {number} COMPRESSED_RGB_S3TC_DXT1_EXT=0x83F0
- * @property {number} COMPRESSED_RGBA_S3TC_DXT1_EXT=0x83F1
- * @property {number} COMPRESSED_RGBA_S3TC_DXT3_EXT=0x83F2
- * @property {number} COMPRESSED_RGBA_S3TC_DXT5_EXT=0x83F3
- * @property {number} COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT=35917
- * @property {number} COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT=35918
- * @property {number} COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT=35919
- * @property {number} COMPRESSED_SRGB_S3TC_DXT1_EXT=35916
- * @property {number} COMPRESSED_R11_EAC=0x9270
- * @property {number} COMPRESSED_SIGNED_R11_EAC=0x9271
- * @property {number} COMPRESSED_RG11_EAC=0x9272
- * @property {number} COMPRESSED_SIGNED_RG11_EAC=0x9273
- * @property {number} COMPRESSED_RGB8_ETC2=0x9274
- * @property {number} COMPRESSED_RGBA8_ETC2_EAC=0x9275
- * @property {number} COMPRESSED_SRGB8_ETC2=0x9276
- * @property {number} COMPRESSED_SRGB8_ALPHA8_ETC2_EAC=0x9277
- * @property {number} COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2=0x9278
- * @property {number} COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2= 0x9279
- * @property {number} COMPRESSED_RGB_PVRTC_4BPPV1_IMG=0x8C00
- * @property {number} COMPRESSED_RGBA_PVRTC_4BPPV1_IMG=0x8C02
- * @property {number} COMPRESSED_RGB_PVRTC_2BPPV1_IMG=0x8C01
- * @property {number} COMPRESSED_RGBA_PVRTC_2BPPV1_IMG=0x8C03
- * @property {number} COMPRESSED_RGB_ETC1_WEBGL=0x8D64
- * @property {number} COMPRESSED_RGB_ATC_WEBGL=0x8C92
- * @property {number} COMPRESSED_RGBA_ATC_EXPLICIT_ALPHA_WEBGL=0x8C92
- * @property {number} COMPRESSED_RGBA_ATC_INTERPOLATED_ALPHA_WEBGL=0x87EE
- */
-export enum INTERNAL_FORMATS {
-    // WEBGL_compressed_texture_s3tc
-    COMPRESSED_RGB_S3TC_DXT1_EXT = 0x83F0,
-    COMPRESSED_RGBA_S3TC_DXT1_EXT = 0x83F1,
-    COMPRESSED_RGBA_S3TC_DXT3_EXT = 0x83F2,
-    COMPRESSED_RGBA_S3TC_DXT5_EXT = 0x83F3,
-
-    // WEBGL_compressed_texture_s3tc_srgb
-    COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT = 35917,
-    COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT = 35918,
-    COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT = 35919,
-    COMPRESSED_SRGB_S3TC_DXT1_EXT = 35916,
-
-    // WEBGL_compressed_texture_etc
-    COMPRESSED_R11_EAC = 0x9270,
-    COMPRESSED_SIGNED_R11_EAC = 0x9271,
-    COMPRESSED_RG11_EAC = 0x9272,
-    COMPRESSED_SIGNED_RG11_EAC = 0x9273,
-    COMPRESSED_RGB8_ETC2 = 0x9274,
-    COMPRESSED_RGBA8_ETC2_EAC = 0x9275,
-    COMPRESSED_SRGB8_ETC2 = 0x9276,
-    COMPRESSED_SRGB8_ALPHA8_ETC2_EAC = 0x9277,
-    COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 = 0x9278,
-    COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 = 0x9279,
-
-    // WEBGL_compressed_texture_pvrtc
-    COMPRESSED_RGB_PVRTC_4BPPV1_IMG = 0x8C00,
-    COMPRESSED_RGBA_PVRTC_4BPPV1_IMG = 0x8C02,
-    COMPRESSED_RGB_PVRTC_2BPPV1_IMG = 0x8C01,
-    COMPRESSED_RGBA_PVRTC_2BPPV1_IMG = 0x8C03,
-
-    // WEBGL_compressed_texture_etc1
-    COMPRESSED_RGB_ETC1_WEBGL = 0x8D64,
-
-    // WEBGL_compressed_texture_atc
-    COMPRESSED_RGB_ATC_WEBGL = 0x8C92,
-    COMPRESSED_RGBA_ATC_EXPLICIT_ALPHA_WEBGL = 0x8C92, // TODO: Probably a bug on the MDN site
-    COMPRESSED_RGBA_ATC_INTERPOLATED_ALPHA_WEBGL = 0x87EE,
-}
-
-/**
- * Maps the compressed texture formats in {@link PIXI.INTERNAL_FORMATS} to the number of bytes taken by
- * each texel.
- *
- * @memberof PIXI
- * @static
- * @ignore
- */
-export const INTERNAL_FORMAT_TO_BYTES_PER_PIXEL: { [id: number]: number } = {
-    // WEBGL_compressed_texture_s3tc
-    [INTERNAL_FORMATS.COMPRESSED_RGB_S3TC_DXT1_EXT]: 0.5,
-    [INTERNAL_FORMATS.COMPRESSED_RGBA_S3TC_DXT1_EXT]: 0.5,
-    [INTERNAL_FORMATS.COMPRESSED_RGBA_S3TC_DXT3_EXT]: 1,
-    [INTERNAL_FORMATS.COMPRESSED_RGBA_S3TC_DXT5_EXT]: 1,
-
-    // WEBGL_compressed_texture_s3tc
-    [INTERNAL_FORMATS.COMPRESSED_SRGB_S3TC_DXT1_EXT]: 0.5,
-    [INTERNAL_FORMATS.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT]: 0.5,
-    [INTERNAL_FORMATS.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT]: 1,
-    [INTERNAL_FORMATS.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT]: 1,
-
-    // WEBGL_compressed_texture_etc
-    [INTERNAL_FORMATS.COMPRESSED_R11_EAC]: 0.5,
-    [INTERNAL_FORMATS.COMPRESSED_SIGNED_R11_EAC]: 0.5,
-    [INTERNAL_FORMATS.COMPRESSED_RG11_EAC]: 1,
-    [INTERNAL_FORMATS.COMPRESSED_SIGNED_RG11_EAC]: 1,
-    [INTERNAL_FORMATS.COMPRESSED_RGB8_ETC2]: 0.5,
-    [INTERNAL_FORMATS.COMPRESSED_RGBA8_ETC2_EAC]: 0.5,
-    [INTERNAL_FORMATS.COMPRESSED_SRGB8_ETC2]: 0.5,
-    [INTERNAL_FORMATS.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC]: 0.5,
-    [INTERNAL_FORMATS.COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2]: 0.5, // ~~
-    [INTERNAL_FORMATS.COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2]: 0.5, // ~~
-
-    // WEBGL_compressed_texture_pvrtc
-    [INTERNAL_FORMATS.COMPRESSED_RGB_PVRTC_4BPPV1_IMG]: 0.5,
-    [INTERNAL_FORMATS.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG]: 0.5,
-    [INTERNAL_FORMATS.COMPRESSED_RGB_PVRTC_2BPPV1_IMG]: 0.25,
-    [INTERNAL_FORMATS.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG]: 0.25,
-
-    // WEBGL_compressed_texture_etc1
-    [INTERNAL_FORMATS.COMPRESSED_RGB_ETC1_WEBGL]: 0.5,
-
-    // @see https://www.khronos.org/registry/OpenGL/extensions/AMD/AMD_compressed_ATC_texture.txt
-    // WEBGL_compressed_texture_atc
-    [INTERNAL_FORMATS.COMPRESSED_RGB_ATC_WEBGL]: 0.5,
-    [INTERNAL_FORMATS.COMPRESSED_RGBA_ATC_EXPLICIT_ALPHA_WEBGL]: 1,
-    [INTERNAL_FORMATS.COMPRESSED_RGBA_ATC_INTERPOLATED_ALPHA_WEBGL]: 1
-};
-
 /**
  * Various GL target types.
  *