From 0ad723a71bdc60ac3ac42393775716912510dc15 Mon Sep 17 00:00:00 2001
From: Drakulix <github@drakulix.de>
Date: Sun, 18 Feb 2018 14:15:08 +0100
Subject: [PATCH] Allow `DrmBackend` to act as `drm::control::Device`

---
 src/backend/drm/backend.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/backend/drm/backend.rs b/src/backend/drm/backend.rs
index 72b537c..0f8b3ca 100644
--- a/src/backend/drm/backend.rs
+++ b/src/backend/drm/backend.rs
@@ -5,6 +5,7 @@ use backend::graphics::egl::{EGLContext, EGLGraphicsBackend, EGLSurface, PixelFo
 use backend::graphics::egl::error::Result as EGLResult;
 use backend::graphics::egl::native::{Gbm, GbmSurfaceArguments};
 use backend::graphics::egl::wayland::{EGLDisplay, EGLWaylandExtensions};
+use drm::Device as BasicDevice;
 use drm::control::{Device, ResourceInfo};
 use drm::control::{connector, crtc, encoder, framebuffer, Mode};
 use gbm::{BufferObject, BufferObjectFlags, Device as GbmDevice, Format as GbmFormat, Surface as GbmSurface,
@@ -12,6 +13,7 @@ use gbm::{BufferObject, BufferObjectFlags, Device as GbmDevice, Format as GbmFor
 use image::{ImageBuffer, Rgba};
 use nix::libc::c_void;
 use std::cell::Cell;
+use std::os::unix::io::{AsRawFd, RawFd};
 use std::rc::{Rc, Weak};
 use wayland_server::Display;
 
@@ -531,6 +533,16 @@ impl<A: Device + 'static> EGLGraphicsBackend for DrmBackend<A> {
     }
 }
 
+// for users convenience
+impl<A: Device + 'static> AsRawFd for DrmBackend<A> {
+    fn as_raw_fd(&self) -> RawFd {
+        self.backend.context.as_raw_fd()
+    }
+}
+
+impl<A: Device + 'static> BasicDevice for DrmBackend<A> {}
+impl<A: Device + 'static> Device for DrmBackend<A> {}
+
 impl<A: Device + 'static> EGLWaylandExtensions for DrmBackend<A> {
     fn bind_wl_display(&self, display: &Display) -> EGLResult<EGLDisplay> {
         self.backend.context.bind_wl_display(display)