Method preprocessShaderSource

core/src/processing/opengl/PGL.java:2034–2051

(String[] src0,
                                                   Pattern[] search,
                                                   String[] replace,
                                                   int offset)

  protected static String[] preprocessShaderSource(String[] src0,
                                                   Pattern[] search,
                                                   String[] replace,
                                                   int offset) {
    String[] src = new String[src0.length+offset];
    for (int i = 0; i < src0.length; i++) {
      String line = src0[i];
      int versionIndex = line.indexOf("#version");
      if (versionIndex >= 0) {
        line = line.substring(0, versionIndex);
      }
      for (int j = 0; j < search.length; j++) {
        line = search[j].matcher(line).replaceAll(replace[j]);
      }
      src[i+offset] = line;
    }
    return src;
  }

  protected static boolean containsVersionDirective(String[] shSrc) {
    for (String line : shSrc) {