59 lines
2.7 KiB
Rust
59 lines
2.7 KiB
Rust
use drm::Device;
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use drm::control::Device as ControlDevice;
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use std::os::fd::{AsFd, BorrowedFd};
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use std::fmt::Debug;
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// A simple wrapper for a device node.
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pub struct Card(std::fs::File);
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/// Implementing [`AsFd`] is a prerequisite to implementing the traits found
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/// in this crate. Here, we are just calling [`File::as_fd()`] on the inner
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/// [`File`].
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impl AsFd for Card {
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fn as_fd(&self) -> BorrowedFd<'_> {
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self.0.as_fd()
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}
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}
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/// Simple helper methods for opening a `Card`.
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impl Card {
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pub fn open(path: &str) -> anyhow::Result<Self> {
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let mut options = std::fs::OpenOptions::new();
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options.read(true);
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options.write(true);
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let file = options.open(path)?;
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Ok(Card(file))
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}
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}
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impl drm::Device for Card {}
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impl Debug for Card {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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writeln!(f, "Driver version: {:?}\n", self.get_driver())?;
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writeln!(f, "BUS ID: {:?}\n", self.get_bus_id())?;
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writeln!(f, "Driver capatibilities:")?;
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writeln!(f, "\tDumpBuffer: {:?}", self.get_driver_capability(drm::DriverCapability::DumbBuffer).ok())?;
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writeln!(f, "\tVBlankHighCRTC: {:?}", self.get_driver_capability(drm::DriverCapability::VBlankHighCRTC).ok())?;
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writeln!(f, "\tDumbPreferredDepth: {:?}", self.get_driver_capability(drm::DriverCapability::DumbPreferredDepth).ok())?;
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writeln!(f, "\tDumbPreferShadow: {:?}", self.get_driver_capability(drm::DriverCapability::DumbPreferShadow).ok())?;
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writeln!(f, "\tPrime: {:?}", self.get_driver_capability(drm::DriverCapability::Prime).ok())?;
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writeln!(f, "\tMonotonicTimestamp: {:?}", self.get_driver_capability(drm::DriverCapability::MonotonicTimestamp).ok())?;
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writeln!(f, "\tASyncPageFlip: {:?}", self.get_driver_capability(drm::DriverCapability::ASyncPageFlip).ok())?;
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writeln!(f, "\tAtomicASyncPageFlip: {:?}", self.get_driver_capability(drm::DriverCapability::AtomicASyncPageFlip).ok())?;
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writeln!(f, "\tCursorWidth: {:?}", self.get_driver_capability(drm::DriverCapability::CursorWidth).ok())?;
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writeln!(f, "\tCursorHeight: {:?}", self.get_driver_capability(drm::DriverCapability::CursorHeight).ok())?;
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writeln!(f, "\tAddFB2Modifiers: {:?}", self.get_driver_capability(drm::DriverCapability::AddFB2Modifiers).ok())?;
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writeln!(f, "\tPageFlipTarget: {:?}", self.get_driver_capability(drm::DriverCapability::PageFlipTarget).ok())?;
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writeln!(f, "\tCRTCInVBlankEvent: {:?}", self.get_driver_capability(drm::DriverCapability::CRTCInVBlankEvent).ok())?;
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writeln!(f, "\tSyncObj: {:?}", self.get_driver_capability(drm::DriverCapability::SyncObj).ok())?;
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writeln!(f, "\tTimelineSyncObj: {:?}", self.get_driver_capability(drm::DriverCapability::TimelineSyncObj).ok())?;
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Ok(())
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}
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}
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impl ControlDevice for Card {}
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