Enum GpuOpError 

pub enum GpuOpError {
    Backend(String),
    InvalidInput(String),
}

A GPU path failed to complete. The cascade treats ANY of these as “fall back to CPU”, so the variants exist for logging/diagnosis, not for the caller to recover differently per case.

Variants

Backend(String)

A wgpu-level failure (buffer mapping, device poll, validation). String because the underlying wgpu error types are not uniform or 'static.

InvalidInput(String)

The op’s own precondition was violated in a way the GPU path can’t run (e.g. mismatched input lengths). Kept distinct so a genuine caller bug is not silently masked by the CPU fallback in logs.

Trait Implementations

impl Debug for GpuOpError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for GpuOpError

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for GpuOpError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.