From 9264850a1c4f1689111187f901cb2ede489ab374 Mon Sep 17 00:00:00 2001
From: JMS55 <47158642+JMS55@users.noreply.github.com>
Date: Sat, 6 Apr 2024 04:08:55 -0400
Subject: [PATCH] Fix skybox wrong alpha (#12888)

Fix https://github.com/bevyengine/bevy/issues/12740
---
 crates/bevy_core_pipeline/src/skybox/skybox.wgsl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/crates/bevy_core_pipeline/src/skybox/skybox.wgsl b/crates/bevy_core_pipeline/src/skybox/skybox.wgsl
index 593b440ee4680..0534c57854f41 100644
--- a/crates/bevy_core_pipeline/src/skybox/skybox.wgsl
+++ b/crates/bevy_core_pipeline/src/skybox/skybox.wgsl
@@ -72,5 +72,6 @@ fn skybox_fragment(in: VertexOutput) -> @location(0) vec4<f32> {
     let ray_direction = coords_to_ray_direction(in.position.xy, view.viewport);
 
     // Cube maps are left-handed so we negate the z coordinate.
-    return textureSample(skybox, skybox_sampler, ray_direction * vec3(1.0, 1.0, -1.0)) * uniforms.brightness;
+    let out = textureSample(skybox, skybox_sampler, ray_direction * vec3(1.0, 1.0, -1.0));
+    return vec4(out.rgb * uniforms.brightness, out.a);
 }