642 pub enum GpuCommandDecodeError {  enum
651 impl Display for GpuCommandDecodeError {  implementation
653         use self::GpuCommandDecodeError::*;  in fmt()
667 impl From<DescriptorError> for GpuCommandDecodeError {  implementation
668     fn from(e: DescriptorError) -> GpuCommandDecodeError {  in from()  argument
669         GpuCommandDecodeError::Memory(e)  in from()
673 impl From<io::Error> for GpuCommandDecodeError {  implementation
674     fn from(e: io::Error) -> GpuCommandDecodeError {  in from()  argument
675         GpuCommandDecodeError::IO(e)  in from()
714     pub fn decode(cmd: &mut Reader) -> Result<GpuCommand, GpuCommandDecodeError> {  in decode()  argument
743             _ => return Err(GpuCommandDecodeError::InvalidType(hdr.type_.into())),  in decode()