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fix(textures): Fix format strings, serialize basis transcoding. (#3329)

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88.82
/modules/textures/src/lib/utils/texture-format-map.ts
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// loaders.gl
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// SPDX-License-Identifier: MIT
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// Copyright (c) vis.gl contributors
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4 



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/* eslint-disable camelcase */




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import type {TextureFormat} from '@loaders.gl/schema';




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import type {GLTextureFormat} from '../gl-types';




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import {





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  GL_COMPRESSED_R11_EAC,




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  GL_COMPRESSED_RED_GREEN_RGTC2_EXT,




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  GL_COMPRESSED_RED_RGTC1_EXT,




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  GL_COMPRESSED_RG11_EAC,




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  GL_COMPRESSED_RGB8_ETC2,




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  GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2,




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  GL_COMPRESSED_RGB_ATC_WEBGL,




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  GL_COMPRESSED_RGB_ETC1_WEBGL,




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  GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG,




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  GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG,




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  GL_COMPRESSED_RGB_S3TC_DXT1_EXT,




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  GL_COMPRESSED_RGBA8_ETC2_EAC,




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  GL_COMPRESSED_RGBA_ASTC_10x10_KHR,




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  GL_COMPRESSED_RGBA_ASTC_10x5_KHR,




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  GL_COMPRESSED_RGBA_ASTC_10x6_KHR,




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  GL_COMPRESSED_RGBA_ASTC_10x8_KHR,




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  GL_COMPRESSED_RGBA_ASTC_12x10_KHR,




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  GL_COMPRESSED_RGBA_ASTC_12x12_KHR,




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  GL_COMPRESSED_RGBA_ASTC_4x4_KHR,




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  GL_COMPRESSED_RGBA_ASTC_5x4_KHR,




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  GL_COMPRESSED_RGBA_ASTC_5x5_KHR,




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  GL_COMPRESSED_RGBA_ASTC_6x5_KHR,




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  GL_COMPRESSED_RGBA_ASTC_6x6_KHR,




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  GL_COMPRESSED_RGBA_ASTC_8x5_KHR,




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  GL_COMPRESSED_RGBA_ASTC_8x6_KHR,




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  GL_COMPRESSED_RGBA_ASTC_8x8_KHR,




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  GL_COMPRESSED_RGBA_ATC_EXPLICIT_ALPHA_WEBGL,




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  GL_COMPRESSED_RGBA_ATC_INTERPOLATED_ALPHA_WEBGL,




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  GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG,




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  GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG,




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  GL_COMPRESSED_RGBA_S3TC_DXT1_EXT,




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  GL_COMPRESSED_RGBA_S3TC_DXT3_EXT,




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  GL_COMPRESSED_RGBA_S3TC_DXT5_EXT,




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  GL_COMPRESSED_SIGNED_R11_EAC,




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  GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT,




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  GL_COMPRESSED_SIGNED_RED_RGTC1_EXT,




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  GL_COMPRESSED_SIGNED_RG11_EAC,




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  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR,




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  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR,




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  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR,




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  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR,




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  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR,




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  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR,




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  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR,




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  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR,




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  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR,




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  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR,




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  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR,




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  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR,




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  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR,




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  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR,




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  GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC,




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  GL_COMPRESSED_SRGB8_ETC2,




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  GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2,




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  GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT,




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  GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT,




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  GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT,




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  GL_COMPRESSED_SRGB_S3TC_DXT1_EXT




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} from '../gl-extensions';




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const WEBGL_TO_TEXTURE_FORMAT: Record<number, TextureFormat> = {




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  [GL_COMPRESSED_RGB_S3TC_DXT1_EXT]: 'bc1-rgb-unorm-ext',




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  [GL_COMPRESSED_SRGB_S3TC_DXT1_EXT]: 'bc1-rgb-unorm-srgb-ext',




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  [GL_COMPRESSED_RGBA_S3TC_DXT1_EXT]: 'bc1-rgba-unorm',




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  [GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT]: 'bc1-rgba-unorm-srgb',




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  [GL_COMPRESSED_RGBA_S3TC_DXT3_EXT]: 'bc2-rgba-unorm',




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  [GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT]: 'bc2-rgba-unorm-srgb',




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  [GL_COMPRESSED_RGBA_S3TC_DXT5_EXT]: 'bc3-rgba-unorm',




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  [GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT]: 'bc3-rgba-unorm-srgb',




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  [GL_COMPRESSED_RED_RGTC1_EXT]: 'bc4-r-unorm',




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  [GL_COMPRESSED_SIGNED_RED_RGTC1_EXT]: 'bc4-r-snorm',




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  [GL_COMPRESSED_RED_GREEN_RGTC2_EXT]: 'bc5-rg-unorm',




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  [GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT]: 'bc5-rg-snorm',




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  [GL_COMPRESSED_RGB8_ETC2]: 'etc2-rgb8unorm',




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  [GL_COMPRESSED_SRGB8_ETC2]: 'etc2-rgb8unorm-srgb',




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  [GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2]: 'etc2-rgb8a1unorm',




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  [GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2]: 'etc2-rgb8a1unorm-srgb',




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  [GL_COMPRESSED_RGBA8_ETC2_EAC]: 'etc2-rgba8unorm',




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  [GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC]: 'etc2-rgba8unorm-srgb',




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  [GL_COMPRESSED_R11_EAC]: 'eac-r11unorm',




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  [GL_COMPRESSED_SIGNED_R11_EAC]: 'eac-r11snorm',




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  [GL_COMPRESSED_RG11_EAC]: 'eac-rg11unorm',




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  [GL_COMPRESSED_SIGNED_RG11_EAC]: 'eac-rg11snorm',




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  [GL_COMPRESSED_RGBA_ASTC_4x4_KHR]: 'astc-4x4-unorm',




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  [GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR]: 'astc-4x4-unorm-srgb',




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  [GL_COMPRESSED_RGBA_ASTC_5x4_KHR]: 'astc-5x4-unorm',




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  [GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR]: 'astc-5x4-unorm-srgb',




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  [GL_COMPRESSED_RGBA_ASTC_5x5_KHR]: 'astc-5x5-unorm',




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  [GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR]: 'astc-5x5-unorm-srgb',




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  [GL_COMPRESSED_RGBA_ASTC_6x5_KHR]: 'astc-6x5-unorm',




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  [GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR]: 'astc-6x5-unorm-srgb',




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  [GL_COMPRESSED_RGBA_ASTC_6x6_KHR]: 'astc-6x6-unorm',




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  [GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR]: 'astc-6x6-unorm-srgb',




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  [GL_COMPRESSED_RGBA_ASTC_8x5_KHR]: 'astc-8x5-unorm',




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  [GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR]: 'astc-8x5-unorm-srgb',




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  [GL_COMPRESSED_RGBA_ASTC_8x6_KHR]: 'astc-8x6-unorm',




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  [GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR]: 'astc-8x6-unorm-srgb',




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  [GL_COMPRESSED_RGBA_ASTC_8x8_KHR]: 'astc-8x8-unorm',




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  [GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR]: 'astc-8x8-unorm-srgb',




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  [GL_COMPRESSED_RGBA_ASTC_10x5_KHR]: 'astc-10x5-unorm',




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  [GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR]: 'astc-10x5-unorm-srgb',




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  [GL_COMPRESSED_RGBA_ASTC_10x6_KHR]: 'astc-10x6-unorm',




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  [GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR]: 'astc-10x6-unorm-srgb',




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  [GL_COMPRESSED_RGBA_ASTC_10x8_KHR]: 'astc-10x8-unorm',




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  [GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR]: 'astc-10x8-unorm-srgb',




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  [GL_COMPRESSED_RGBA_ASTC_10x10_KHR]: 'astc-10x10-unorm',




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  [GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR]: 'astc-10x10-unorm-srgb',




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  [GL_COMPRESSED_RGBA_ASTC_12x10_KHR]: 'astc-12x10-unorm',




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  [GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR]: 'astc-12x10-unorm-srgb',




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  [GL_COMPRESSED_RGBA_ASTC_12x12_KHR]: 'astc-12x12-unorm',




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  [GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR]: 'astc-12x12-unorm-srgb',




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  [GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG]: 'pvrtc-rgb4unorm-ext',




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  [GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG]: 'pvrtc-rgba4unorm-ext',




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  [GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG]: 'pvrtc-rgb2unorm-ext',




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  [GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG]: 'pvrtc-rgba2unorm-ext',




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  [GL_COMPRESSED_RGB_ETC1_WEBGL]: 'etc1-rbg-unorm-ext',




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  [GL_COMPRESSED_RGB_ATC_WEBGL]: 'atc-rgb-unorm-ext',




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  [GL_COMPRESSED_RGBA_ATC_EXPLICIT_ALPHA_WEBGL]: 'atc-rgba-unorm-ext',




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  [GL_COMPRESSED_RGBA_ATC_INTERPOLATED_ALPHA_WEBGL]: 'atc-rgbai-unorm-ext'




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};




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const TEXTURE_FORMAT_TO_WEBGL = Object.fromEntries(




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  Object.entries(WEBGL_TO_TEXTURE_FORMAT).map(([format, textureFormat]) => [




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    textureFormat,




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    Number(format)




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  ])




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) as Partial<Record<TextureFormat, GLTextureFormat>>;




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export function getTextureFormatFromWebGLFormat(




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  format?: GLTextureFormat




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): TextureFormat | undefined {




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  if (format === undefined) {




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    return undefined;




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  }




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  return WEBGL_TO_TEXTURE_FORMAT[format];




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}




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/**




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 * Returns the WebGL/OpenGL compressed texture constant for a canonical loaders.gl texture format.




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 * @param textureFormat - Canonical texture format string.




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 * @returns Matching WebGL/OpenGL constant, if known.




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 */




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export function getWebGLFormatFromTextureFormat(




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  textureFormat?: TextureFormat




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): GLTextureFormat | undefined {




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  if (textureFormat === undefined) {




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    return undefined;




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  }




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  return TEXTURE_FORMAT_TO_WEBGL[textureFormat];




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}




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