code: def render_load(
      self, output_dtype, buf_name, buf_dtype, idx, local=False
  ) -> str:
      x_calc = f"float(int({idx})%textureSize({buf_name}, 0).x)"
      y_calc = f"float(int({idx})/textureSize({buf_name}, 0).x)"
      out_val = f"texture({buf_name}, vec2(float({x_calc} + {self.fragment_center_offset}f)/float(textureSize({buf_name}, 0).x),\
      float({y_calc} + {self.fragment_center_offset}f)/float(textureSize({buf_name}, 0).y))).r"
      return f"{self.render_cast([out_val], output_dtype)}"
  
file_path: tinygrad/extra/backends/cstyle.py
label_desc: Use image node_id 4 for calling the GLSLLanguage obj's underlying member method code with example usage: obj.render_load(output_dtype, buf_name, buf_dtype, idx, local) and returns: self