From 133340b2eae2aa56898ea887d55cb38c5932ed27 Mon Sep 17 00:00:00 2001
From: ExMatics HydrogenC <33123710+HydrogenC@users.noreply.github.com>
Date: Thu, 6 Jun 2024 12:56:32 +0800
Subject: [PATCH] Fix sky color being too dark

---
 Source/Engine/Level/Actors/Sky.cpp | 4 ++++
 Source/Shaders/Sky.shader          | 6 +++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/Source/Engine/Level/Actors/Sky.cpp b/Source/Engine/Level/Actors/Sky.cpp
index 674b5d1a9..2ab7aa0c3 100644
--- a/Source/Engine/Level/Actors/Sky.cpp
+++ b/Source/Engine/Level/Actors/Sky.cpp
@@ -99,7 +99,11 @@ void Sky::Draw(RenderContext& renderContext)
                 psDesc.CullMode = CullMode::Inverted;
                 psDesc.DepthWriteEnable = false;
                 psDesc.DepthClipEnable = false;
+#if FLAX_REVERSE_Z
+                psDesc.DepthFunc = ComparisonFunc::GreaterEqual;
+#else
                 psDesc.DepthFunc = ComparisonFunc::LessEqual;
+#endif
 
                 if (_psSky->Init(psDesc))
                 {
diff --git a/Source/Shaders/Sky.shader b/Source/Shaders/Sky.shader
index b5fe709be..4d175d59d 100644
--- a/Source/Shaders/Sky.shader
+++ b/Source/Shaders/Sky.shader
@@ -34,7 +34,11 @@ MaterialInput VS(ModelInput_PosOnly input)
 	output.ScreenPos = output.Position;
 
 	// Place pixels on the far plane
-	output.Position = output.Position.xyzz;
+#if FLAX_REVERSE_Z
+	output.Position.z = 0;
+#else
+	output.Position.z = output.Position.w;
+#endif
 
 	return output;
 }