69 lines
2.3 KiB
Rust
69 lines
2.3 KiB
Rust
//! Backend (rendering/input) creation helpers
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//!
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//! Collection of common traits and implementation about
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//! rendering onto various targets and receiving input
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//! from various sources.
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//!
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//! Supported graphics backends:
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//!
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//! - winit
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//! - drm
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//!
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//! Supported input backends:
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//!
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//! - winit
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//! - libinput
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// TODO TEMPORARY
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#![allow(missing_docs)]
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//pub mod graphics;
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pub mod input;
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pub mod allocator;
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pub mod renderer;
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#[cfg(feature = "backend_drm")]
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pub mod drm;
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#[cfg(feature = "backend_egl")]
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pub mod egl;
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#[cfg(feature = "backend_libinput")]
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pub mod libinput;
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#[cfg(feature = "backend_session")]
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pub mod session;
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#[cfg(feature = "backend_udev")]
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pub mod udev;
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#[cfg(feature = "backend_winit")]
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pub mod winit;
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/// Error that can happen when swapping buffers.
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#[derive(Debug, thiserror::Error)]
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pub enum SwapBuffersError {
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/// The buffers have already been swapped.
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///
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/// This error can be returned when `swap_buffers` has been called multiple times
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/// without any modification in between.
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#[error("Buffers are already swapped, swap_buffers was called too many times")]
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AlreadySwapped,
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/// The corresponding context has been lost and needs to be recreated.
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///
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/// All the objects associated to it (textures, buffers, programs, etc.)
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/// need to be recreated from scratch. Underlying resources like native surfaces
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/// might also need to be recreated.
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///
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/// Operations will have no effect. Functions that read textures, buffers, etc.
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/// will return uninitialized data instead.
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#[error("The context has been lost, it needs to be recreated: {0}")]
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ContextLost(Box<dyn std::error::Error>),
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/// A temporary condition caused to rendering to fail.
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///
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/// Depending on the underlying error this *might* require fixing internal state of the rendering backend,
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/// but failures mapped to `TemporaryFailure` are always recoverable without re-creating the entire stack,
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/// as is represented by `ContextLost`.
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///
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/// Proceed after investigating the source to reschedule another full rendering step or just this page_flip at a later time.
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/// If the root cause cannot be discovered and subsequent renderings also fail, it is advised to fallback to
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/// recreation.
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#[error("A temporary condition caused the page flip to fail: {0}")]
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TemporaryFailure(Box<dyn std::error::Error>),
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} |