38 lines
1.6 KiB
JavaScript
38 lines
1.6 KiB
JavaScript
"use strict";
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var core = require("@pixi/core");
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let storedGl, extensions;
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function getCompressedTextureExtensions() {
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extensions = {
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bptc: storedGl.getExtension("EXT_texture_compression_bptc"),
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astc: storedGl.getExtension("WEBGL_compressed_texture_astc"),
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etc: storedGl.getExtension("WEBGL_compressed_texture_etc"),
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s3tc: storedGl.getExtension("WEBGL_compressed_texture_s3tc"),
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s3tc_sRGB: storedGl.getExtension("WEBGL_compressed_texture_s3tc_srgb"),
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/* eslint-disable-line camelcase */
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pvrtc: storedGl.getExtension("WEBGL_compressed_texture_pvrtc") || storedGl.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc"),
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etc1: storedGl.getExtension("WEBGL_compressed_texture_etc1"),
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atc: storedGl.getExtension("WEBGL_compressed_texture_atc")
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};
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}
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const detectCompressedTextures = {
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extension: {
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type: core.ExtensionType.DetectionParser,
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priority: 2
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},
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test: async () => {
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const gl = core.settings.ADAPTER.createCanvas().getContext("webgl");
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return gl ? (storedGl = gl, !0) : (console.warn("WebGL not available for compressed textures."), !1);
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},
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add: async (formats) => {
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extensions || getCompressedTextureExtensions();
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const textureFormats = [];
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for (const extensionName in extensions)
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extensions[extensionName] && textureFormats.push(extensionName);
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return [...textureFormats, ...formats];
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},
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remove: async (formats) => (extensions || getCompressedTextureExtensions(), formats.filter((f) => !(f in extensions)))
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};
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core.extensions.add(detectCompressedTextures);
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exports.detectCompressedTextures = detectCompressedTextures;
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//# sourceMappingURL=detectCompressedTextures.js.map
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