private void checkGlError(final String op) { final int error; if ((error = GLES20.glGetError()) != 0) { final String s = "DistortionRenderer"; final String value = String.valueOf(String.valueOf(op)); Log.e( s, new StringBuilder(21 + value.length()) .append(value) .append(": glError ") .append(error) .toString()); final String value2 = String.valueOf(String.valueOf(op)); throw new RuntimeException( new StringBuilder(21 + value2.length()) .append(value2) .append(": glError ") .append(error) .toString()); } }