2020-04-18 23:30:05 +00:00
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//!
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//! Module for common/shared types of the various [`Device`](::backend::drm::Device)
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//! and [`Surface`](::backend::drm::Surface) implementations of the `backend::drm` module.
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2020-04-19 20:29:10 +00:00
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//!
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2020-04-18 23:30:05 +00:00
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use drm::control::{connector, crtc, Mode, RawResourceHandle};
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use std::path::PathBuf;
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2020-04-19 20:29:10 +00:00
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pub mod fallback;
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2020-04-18 23:30:05 +00:00
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/// Errors thrown by the [`LegacyDrmDevice`](::backend::drm::legacy::LegacyDrmDevice),
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/// [`AtomicDrmDevice`](::backend::drm::atomic::AtomicDrmDevice)
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/// and their surfaces: [`LegacyDrmSurface`](::backend::drm::legacy::LegacyDrmSurface)
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/// and [`AtomicDrmSurface`](::backend::drm::atomic::AtomicDrmSurface).
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#[derive(thiserror::Error, Debug)]
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pub enum Error {
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/// Unable to acquire DRM master
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#[error("Failed to aquire DRM master")]
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DrmMasterFailed,
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/// The `DrmDevice` encountered an access error
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#[error("DRM access error: {errmsg} on device `{dev:?}`")]
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Access {
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/// Error message associated to the access error
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errmsg: &'static str,
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/// Device on which the error was generated
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dev: Option<PathBuf>,
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/// Underlying device error
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source: failure::Compat<drm::SystemError>,
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},
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/// Unable to determine device id of drm device
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#[error("Unable to determine device id of drm device")]
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UnableToGetDeviceId(#[source] nix::Error),
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/// Device is currently paused
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#[error("Device is currently paused, operation rejected")]
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DeviceInactive,
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/// Mode is not compatible with all given connectors
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#[error("Mode `{0:?}` is not compatible with all given connectors")]
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ModeNotSuitable(Mode),
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/// The given crtc is already in use by another backend
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#[error("Crtc `{0:?}` is already in use by another backend")]
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CrtcAlreadyInUse(crtc::Handle),
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/// No encoder was found for a given connector on the set crtc
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#[error("No encoder found for the given connector '{connector:?}' on crtc `{crtc:?}`")]
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NoSuitableEncoder {
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/// Connector
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connector: connector::Handle,
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/// CRTC
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crtc: crtc::Handle,
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},
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/// No matching primary and cursor plane could be found for the given crtc
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#[error("No matching primary and cursor plane could be found for crtc {crtc:?} on {dev:?}")]
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NoSuitablePlanes {
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/// CRTC
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crtc: crtc::Handle,
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/// Device on which the error was generated
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dev: Option<PathBuf>,
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},
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/// The DrmDevice is missing a required property
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#[error("The DrmDevice is missing a required property '{name}' for handle ({handle:?})")]
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UnknownProperty {
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/// Property handle
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handle: RawResourceHandle,
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/// Property name
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name: &'static str,
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},
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/// Atomic Test failed for new properties
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#[error("Atomic Test failed for new properties on crtc ({0:?})")]
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TestFailed(crtc::Handle),
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}
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