From a8d3e5530bfbaadd949c87624031837d28f09019 Mon Sep 17 00:00:00 2001
From: Junkui Zhang <364772080@qq.com>
Date: Thu, 31 Jul 2025 17:53:40 +0800
Subject: [PATCH] DXGI_ALPHA_MODE_PREMULTIPLIED

---
 crates/gpui/src/platform/windows/directx_renderer.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/gpui/src/platform/windows/directx_renderer.rs b/crates/gpui/src/platform/windows/directx_renderer.rs
index b8a544d3d378cb2be64d74c9a9a16135ea4951e9..2dbec7e67490926ee65b0477f574b370e6bb9c36 100644
--- a/crates/gpui/src/platform/windows/directx_renderer.rs
+++ b/crates/gpui/src/platform/windows/directx_renderer.rs
@@ -1077,7 +1077,7 @@ fn create_swap_chain_for_composition(
         // Composition SwapChains only support the DXGI_SCALING_STRETCH Scaling.
         Scaling: DXGI_SCALING_STRETCH,
         SwapEffect: DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL,
-        AlphaMode: DXGI_ALPHA_MODE_IGNORE,
+        AlphaMode: DXGI_ALPHA_MODE_PREMULTIPLIED,
         Flags: 0,
     };
     Ok(unsafe { dxgi_factory.CreateSwapChainForComposition(device, &desc, None)? })