sdfsdfs

node_modules/pixi.js/lib/rendering/batcher/gl/utils/checkMaxIfStatementsInShader.mjs

@@ -0,0 +1,45 @@
+"use strict";
+const fragTemplate = [
+  "precision mediump float;",
+  "void main(void){",
+  "float test = 0.1;",
+  "%forloop%",
+  "gl_FragColor = vec4(0.0);",
+  "}"
+].join("\n");
+function generateIfTestSrc(maxIfs) {
+  let src = "";
+  for (let i = 0; i < maxIfs; ++i) {
+    if (i > 0) {
+      src += "\nelse ";
+    }
+    if (i < maxIfs - 1) {
+      src += `if(test == ${i}.0){}`;
+    }
+  }
+  return src;
+}
+function checkMaxIfStatementsInShader(maxIfs, gl) {
+  if (maxIfs === 0) {
+    throw new Error("Invalid value of `0` passed to `checkMaxIfStatementsInShader`");
+  }
+  const shader = gl.createShader(gl.FRAGMENT_SHADER);
+  try {
+    while (true) {
+      const fragmentSrc = fragTemplate.replace(/%forloop%/gi, generateIfTestSrc(maxIfs));
+      gl.shaderSource(shader, fragmentSrc);
+      gl.compileShader(shader);
+      if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
+        maxIfs = maxIfs / 2 | 0;
+      } else {
+        break;
+      }
+    }
+  } finally {
+    gl.deleteShader(shader);
+  }
+  return maxIfs;
+}
+
+export { checkMaxIfStatementsInShader };
+//# sourceMappingURL=checkMaxIfStatementsInShader.mjs.map