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{"version":3,"file":"detectCompressedTextures.mjs","sources":["../../src/loaders/detectCompressedTextures.ts"],"sourcesContent":["import { extensions as ext, ExtensionType, settings } from '@pixi/core';\n\nimport type { FormatDetectionParser } from '@pixi/assets';\nimport type { CompressedTextureExtensionRef, CompressedTextureExtensions } from './compressedTextureExtensions';\n\nlet storedGl: WebGLRenderingContext;\nlet extensions: Partial<CompressedTextureExtensions>;\n\nfunction getCompressedTextureExtensions()\n{\n extensions = {\n bptc: storedGl.getExtension('EXT_texture_compression_bptc'),\n astc: storedGl.getExtension('WEBGL_compressed_texture_astc'),\n etc: storedGl.getExtension('WEBGL_compressed_texture_etc'),\n s3tc: storedGl.getExtension('WEBGL_compressed_texture_s3tc'),\n s3tc_sRGB: storedGl.getExtension('WEBGL_compressed_texture_s3tc_srgb'), /* eslint-disable-line camelcase */\n pvrtc: storedGl.getExtension('WEBGL_compressed_texture_pvrtc')\n || storedGl.getExtension('WEBKIT_WEBGL_compressed_texture_pvrtc'),\n etc1: storedGl.getExtension('WEBGL_compressed_texture_etc1'),\n atc: storedGl.getExtension('WEBGL_compressed_texture_atc'),\n } as Partial<CompressedTextureExtensions>;\n}\n\nexport const detectCompressedTextures = {\n extension: {\n type: ExtensionType.DetectionParser,\n priority: 2,\n },\n test: async (): Promise<boolean> =>\n {\n // Auto-detect WebGL compressed-texture extensions\n const canvas = settings.ADAPTER.createCanvas();\n const gl = canvas.getContext('webgl');\n\n if (!gl)\n {\n if (process.env.DEBUG)\n {\n console.warn('WebGL not available for compressed textures.');\n }\n\n return false;\n }\n\n storedGl = gl;\n\n return true;\n },\n add: async (formats: string[]): Promise<string[]> =>\n {\n if (!extensions) getCompressedTextureExtensions();\n\n const textureFormats = [];\n\n // Assign all available compressed-texture formats\n for (const extensionName in extensions)\n {\n const extension = extensions[extensionName as CompressedTextureExtensionRef];\n\n if (!extension)\n {\n continue;\n }\n\n textureFormats.push(extensionName);\n }\n\n return [...textureFormats, ...formats];\n },\n remove: async (formats: string[]): Promise<string[]> =>\n {\n if (!extensions) getCompressedTextureExtensions();\n\n return formats.filter((f) => !(f in extensions));\n },\n} as FormatDetectionParser;\n\next.add(detectCompressedTextures);\n"],"names":["ext"],"mappings":";AAKA,IAAI,UACA;AAEJ,SAAS,iCACT;AACiB,eAAA;AAAA,IACT,MAAM,SAAS,aAAa,8BAA8B;AAAA,IAC1D,MAAM,SAAS,aAAa,+BAA+B;AAAA,IAC3D,KAAK,SAAS,aAAa,8BAA8B;AAAA,IACzD,MAAM,SAAS,aAAa,+BAA+B;AAAA,IAC3D,WAAW,SAAS,aAAa,oCAAoC;AAAA;AAAA,IACrE,OAAO,SAAS,aAAa,gCAAgC,KACtD,SAAS,aAAa,uCAAuC;AAAA,IACpE,MAAM,SAAS,aAAa,+BAA+B;AAAA,IAC3D,KAAK,SAAS,aAAa,8BAA8B;AAAA,EAAA;AAEjE;AAEO,MAAM,2BAA2B;AAAA,EACpC,WAAW;AAAA,IACP,MAAM,cAAc;AAAA,IACpB,UAAU;AAAA,EACd;AAAA,EACA,MAAM,YACN;AAGI,UAAM,KADS,SAAS,QAAQ,aAAa,EAC3B,WAAW,OAAO;AAEpC,WAAK,MAUL,WAAW,IAEJ,OARC,QAAQ,KAAK,8CAA8C,GAGxD;AAAA,EAMf;AAAA,EACA,KAAK,OAAO,YACZ;AACS,kBAAY,+BAA+B;AAEhD,UAAM,iBAAiB,CAAA;AAGvB,eAAW,iBAAiB;AAEN,iBAAW,aAA8C,KAO3E,eAAe,KAAK,aAAa;AAGrC,WAAO,CAAC,GAAG,gBAAgB,GAAG,OAAO;AAAA,EACzC;AAAA,EACA,QAAQ,OAAO,aAEN,cAAY,+BAA+B,GAEzC,QAAQ,OAAO,CAAC,MAAM,EAAE,KAAK,WAAW;AAEvD;AAEAA,aAAI,IAAI,wBAAwB;"} |