getShaderSource method
Implementation
String? getShaderSource(int shader){
startCheck('getShaderSource');
// var sourceString = shaderSource.toNativeUtf8();
// var arrayPointer = calloc<Int32>();
// arrayPointer.value = Pointer.fromAddress(sourceString.address);
// String temp = gl.glGetShaderSource(shader, 1, arrayPointer, nullptr);
// calloc.free(arrayPointer);
// calloc.free(sourceString);
return null;
}