def register_pta(self, name, input_type):
        self.ptas[name] = self.glsl_type_to_pta(input_type).empty_array(1)
Registers a new input, type should be a glsl type
dataset/ETHPy150Open tobspr/RenderPipeline/rpcore/util/shader_input_blocks.py/GroupedInputBlock.register_pta