sdfsdfs

node_modules/pixi.js/lib/compressed-textures/ktx2/utils/convertFormatIfRequired.js

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+'use strict';
+
+"use strict";
+const converters = {
+  rgb8unorm: {
+    convertedFormat: "rgba8unorm",
+    convertFunction: convertRGBtoRGBA
+  },
+  "rgb8unorm-srgb": {
+    convertedFormat: "rgba8unorm-srgb",
+    convertFunction: convertRGBtoRGBA
+  }
+};
+function convertFormatIfRequired(textureOptions) {
+  const format = textureOptions.format;
+  if (converters[format]) {
+    const convertFunction = converters[format].convertFunction;
+    const levelBuffers = textureOptions.resource;
+    for (let i = 0; i < levelBuffers.length; i++) {
+      levelBuffers[i] = convertFunction(levelBuffers[i]);
+    }
+    textureOptions.format = converters[format].convertedFormat;
+  }
+}
+function convertRGBtoRGBA(levelBuffer) {
+  const pixelCount = levelBuffer.byteLength / 3;
+  const levelBufferWithAlpha = new Uint32Array(pixelCount);
+  for (let i = 0; i < pixelCount; ++i) {
+    levelBufferWithAlpha[i] = levelBuffer[i * 3] + (levelBuffer[i * 3 + 1] << 8) + (levelBuffer[i * 3 + 2] << 16) + 4278190080;
+  }
+  return new Uint8Array(levelBufferWithAlpha.buffer);
+}
+
+exports.convertFormatIfRequired = convertFormatIfRequired;
+//# sourceMappingURL=convertFormatIfRequired.js.map