sdfsdfs

node_modules/pixi.js/lib/rendering/high-shader/compiler/utils/compileOutputs.js

@@ -0,0 +1,52 @@
+'use strict';
+
+"use strict";
+function extractOutputs(fragmentSource, out) {
+  let match;
+  const regex = /@out\s+([^;]+);/g;
+  while ((match = regex.exec(fragmentSource)) !== null) {
+    out.push(match[1]);
+  }
+}
+function extractVariableName(value) {
+  const regex = /\b(\w+)\s*:/g;
+  const match = regex.exec(value);
+  return match ? match[1] : "";
+}
+function stripVariable(value) {
+  const regex = /@.*?\s+/g;
+  return value.replace(regex, "");
+}
+function compileOutputs(fragments, template) {
+  const results = [];
+  extractOutputs(template, results);
+  fragments.forEach((fragment) => {
+    if (fragment.header) {
+      extractOutputs(fragment.header, results);
+    }
+  });
+  let index = 0;
+  const mainStruct = results.sort().map((inValue) => {
+    if (inValue.indexOf("builtin") > -1) {
+      return inValue;
+    }
+    return `@location(${index++}) ${inValue}`;
+  }).join(",\n");
+  const mainStart = results.sort().map((inValue) => `       var ${stripVariable(inValue)};`).join("\n");
+  const mainEnd = `return VSOutput(
+                ${results.sort().map((inValue) => ` ${extractVariableName(inValue)}`).join(",\n")});`;
+  let compiledCode = template.replace(/@out\s+[^;]+;\s*/g, "");
+  compiledCode = compiledCode.replace("{{struct}}", `
+${mainStruct}
+`);
+  compiledCode = compiledCode.replace("{{start}}", `
+${mainStart}
+`);
+  compiledCode = compiledCode.replace("{{return}}", `
+${mainEnd}
+`);
+  return compiledCode;
+}
+
+exports.compileOutputs = compileOutputs;
+//# sourceMappingURL=compileOutputs.js.map