From d46120883efb64d43d5d69c3b5d6673c693ba1c9 Mon Sep 17 00:00:00 2001
From: Andreas Reich <r_andreas2@web.de>
Date: Sat, 9 Dec 2023 12:15:16 +0100
Subject: [PATCH] missing send/sync on web.rs on BufferMappedRange for
 fragile-send-sync-non-atomic-wasm + !atomics

---
 wgpu/src/backend/web.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/wgpu/src/backend/web.rs b/wgpu/src/backend/web.rs
index 4b6e527ab2..82b31c6f6a 100644
--- a/wgpu/src/backend/web.rs
+++ b/wgpu/src/backend/web.rs
@@ -92,6 +92,16 @@ unsafe impl Send for Context {}
     not(target_feature = "atomics")
 ))]
 unsafe impl Sync for Context {}
+#[cfg(all(
+    feature = "fragile-send-sync-non-atomic-wasm",
+    not(target_feature = "atomics")
+))]
+unsafe impl Send for BufferMappedRange {}
+#[cfg(all(
+    feature = "fragile-send-sync-non-atomic-wasm",
+    not(target_feature = "atomics")
+))]
+unsafe impl Sync for BufferMappedRange {}
 
 impl fmt::Debug for Context {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {