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use hardware::IHardware;
use device::{IDevice, DeviceType};
use binary::IBinary;
#[cfg(feature = "opencl")]
use frameworks::opencl::Error as OpenCLError;
#[cfg(feature = "cuda")]
use frameworks::cuda::DriverError as CudaError;
use std::error;
use std::fmt;
pub trait IFramework {
type H: IHardware;
type D: IDevice + Clone;
type B: IBinary + Clone;
#[allow(non_snake_case)]
fn ID() -> &'static str;
fn new() -> Self where Self: Sized;
fn load_hardwares() -> Result<Vec<Self::H>, Error>;
fn hardwares(&self) -> &[Self::H];
fn binary(&self) -> &Self::B;
fn new_device(&self, &[Self::H]) -> Result<DeviceType, Error>;
}
#[derive(Debug)]
pub enum Error {
#[cfg(feature = "opencl")]
OpenCL(OpenCLError),
#[cfg(feature = "cuda")]
Cuda(CudaError),
Implementation(String),
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
#[cfg(feature = "opencl")]
Error::OpenCL(ref err) => write!(f, "OpenCL error: {}", err),
#[cfg(feature = "cuda")]
Error::Cuda(ref err) => write!(f, "Cuda error: {}", err),
Error::Implementation(ref err) => write!(f, "Collenchyma Implementation error: {}", err),
}
}
}
impl error::Error for Error {
fn description(&self) -> &str {
match *self {
#[cfg(feature = "opencl")]
Error::OpenCL(ref err) => err.description(),
#[cfg(feature = "cuda")]
Error::Cuda(ref err) => err.description(),
Error::Implementation(ref err) => err,
}
}
fn cause(&self) -> Option<&error::Error> {
match *self {
#[cfg(feature = "opencl")]
Error::OpenCL(ref err) => Some(err),
#[cfg(feature = "cuda")]
Error::Cuda(ref err) => Some(err),
Error::Implementation(_) => None,
}
}
}
#[cfg(feature = "opencl")]
impl From<OpenCLError> for Error {
fn from(err: OpenCLError) -> Error {
Error::OpenCL(err)
}
}
#[cfg(feature = "cuda")]
impl From<CudaError> for Error {
fn from(err: CudaError) -> Error {
Error::Cuda(err)
}
}
impl From<Error> for ::error::Error {
fn from(err: Error) -> ::error::Error {
::error::Error::Framework(err)
}
}