sdfsdfs

node_modules/pixi.js/lib/compressed-textures/shared/detectCompressed.js

@@ -0,0 +1,60 @@
+'use strict';
+
+var Extensions = require('../../extensions/Extensions.js');
+var getSupportedCompressedTextureFormats = require('../../rendering/renderers/shared/texture/utils/getSupportedCompressedTextureFormats.js');
+var isWebGLSupported = require('../../utils/browser/isWebGLSupported.js');
+var isWebGPUSupported = require('../../utils/browser/isWebGPUSupported.js');
+var resolveCompressedTextureUrl = require('./resolveCompressedTextureUrl.js');
+
+"use strict";
+let compressedTextureExtensions;
+const detectCompressed = {
+  extension: {
+    type: Extensions.ExtensionType.DetectionParser,
+    priority: 2
+  },
+  test: async () => {
+    if (await isWebGPUSupported.isWebGPUSupported())
+      return true;
+    if (isWebGLSupported.isWebGLSupported())
+      return true;
+    return false;
+  },
+  add: async (formats) => {
+    const supportedCompressedTextureFormats = await getSupportedCompressedTextureFormats.getSupportedCompressedTextureFormats();
+    compressedTextureExtensions = extractExtensionsForCompressedTextureFormats(supportedCompressedTextureFormats);
+    return [...compressedTextureExtensions, ...formats];
+  },
+  remove: async (formats) => {
+    if (compressedTextureExtensions) {
+      return formats.filter((f) => !(f in compressedTextureExtensions));
+    }
+    return formats;
+  }
+};
+function extractExtensionsForCompressedTextureFormats(formats) {
+  const extensions = ["basis"];
+  const dupeMap = {};
+  formats.forEach((format) => {
+    const extension = format.split("-")[0];
+    if (extension && !dupeMap[extension]) {
+      dupeMap[extension] = true;
+      extensions.push(extension);
+    }
+  });
+  extensions.sort((a, b) => {
+    const aIndex = resolveCompressedTextureUrl.validFormats.indexOf(a);
+    const bIndex = resolveCompressedTextureUrl.validFormats.indexOf(b);
+    if (aIndex === -1) {
+      return 1;
+    }
+    if (bIndex === -1) {
+      return -1;
+    }
+    return aIndex - bIndex;
+  });
+  return extensions;
+}
+
+exports.detectCompressed = detectCompressed;
+//# sourceMappingURL=detectCompressed.js.map