pub type PFN_vkGetRayTracingShaderGroupStackSizeKHR = unsafe extern "system" fn(device: Device, pipeline: Pipeline, group: u32, group_shader: ShaderGroupShaderKHR) -> DeviceSize;
pub type PFN_vkGetRayTracingShaderGroupStackSizeKHR = unsafe extern "system" fn(device: Device, pipeline: Pipeline, group: u32, group_shader: ShaderGroupShaderKHR) -> DeviceSize;