From f3671e8843b5e6dbf13c8300aa5aed50a557d36a Mon Sep 17 00:00:00 2001
From: i509VCB <git@i509.me>
Date: Tue, 17 May 2022 19:36:22 -0500
Subject: [PATCH] expose egl display in gles

---
 wgpu-hal/src/gles/egl.rs | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/wgpu-hal/src/gles/egl.rs b/wgpu-hal/src/gles/egl.rs
index 9539fe211e9..2e5bf15dbb4 100644
--- a/wgpu-hal/src/gles/egl.rs
+++ b/wgpu-hal/src/gles/egl.rs
@@ -1,5 +1,5 @@
 use glow::HasContext;
-use parking_lot::{Mutex, MutexGuard};
+use parking_lot::{MappedMutexGuard, Mutex, MutexGuard};
 use raw_window_handle::{HasRawWindowHandle, RawWindowHandle};
 
 use std::{ffi, os::raw, ptr, sync::Arc, time::Duration};
@@ -580,6 +580,25 @@ pub struct Instance {
     inner: Mutex<Inner>,
 }
 
+impl Instance {
+    pub fn raw_display(&self) -> MappedMutexGuard<'_, egl::Display> {
+        MutexGuard::map(
+            self.inner
+                .try_lock()
+                .expect("Could not lock instance. This is most-likely a deadlock."),
+            |inner| &mut inner.egl.display,
+        )
+    }
+
+    /// Returns the version of the EGL display.
+    pub fn egl_version(&self) -> (i32, i32) {
+        self.inner
+            .try_lock()
+            .expect("Could not lock instance. This is most-likely a deadlock.")
+            .version
+    }
+}
+
 unsafe impl Send for Instance {}
 unsafe impl Sync for Instance {}