From 156e9c15c4160b14221f8320a6d1de7bba556377 Mon Sep 17 00:00:00 2001
From: fand <mail@amagi.dev>
Date: Tue, 26 Sep 2023 15:17:09 -0700
Subject: [PATCH] feat: add lose_context() / restore_context()

---
 src/web_sys.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/web_sys.rs b/src/web_sys.rs
index 165c014..bfcd400 100644
--- a/src/web_sys.rs
+++ b/src/web_sys.rs
@@ -1328,6 +1328,23 @@ impl Context {
             })
             .unwrap_or(false)
     }
+
+    /// Simulate losing WebGL rendering context.
+    /// Only works when "WEBGL_lose_context" extension is available.
+    pub fn lose_context(&self) {
+        if let Some(ext) = &self.extensions.webgl_lose_context {
+            ext.lose_context()
+        }
+    }
+
+    /// Simulate restoring WebGL rendering context.
+    /// Only works when "WEBGL_lose_context" extension is available.
+    /// This will panic when the context is not lost.
+    pub fn restore_context(&self) {
+        if let Some(ext) = &self.extensions.webgl_lose_context {
+            ext.restore_context()
+        }
+    }
 }
 
 new_key_type! { pub struct WebShaderKey; }