Enum SurfaceError 

#[non_exhaustive]
pub enum SurfaceError {
    Init(String),
    Present(String),
}

A failure creating or driving the GL context/surface.

Both the native (glutin) and wasm (WebGL2) context modules produce this. It is string-backed rather than a structured enum because the two platforms surface very different underlying error types (glutin’s glutin::error::Error vs. a web_sys JsValue), and the caller (retroglyph_window’s event loop) only needs a message plus the recoverable/fatal signal from RecoverableError.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Init(String)

Creating the GL display, config, context, or surface failed. Treated as fatal (not recoverable): a game cannot proceed without a context, and retrying the same creation path is very unlikely to succeed.

Present(String)

Presenting a frame failed (buffer swap on native, or the WebGL2 context was lost on wasm). Treated as potentially recoverable so the event loop’s consecutive-failure heuristic can retry before giving up.

Trait Implementations

impl Debug for SurfaceError

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

Formats the value using the given formatter.

impl Display for SurfaceError

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

Formats the value using the given formatter.

impl Error for SurfaceError

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.

impl RecoverableError for SurfaceError

fn is_recoverable(&self) -> bool

Whether this error represents a transient failure worth retrying, as opposed to a fatal one.