From 11dec8e8683ea79b5a95727c4648ce1d63dcf377 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Fri, 30 May 2025 15:51:35 +0200
Subject: [PATCH] Fix incorrectly rendered transparency in Physics Colliders 
 view mode

#3474
---
 Source/Engine/Renderer/ForwardPass.cpp | 12 +++++++++++-
 Source/Engine/Renderer/ForwardPass.h   |  2 +-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/Source/Engine/Renderer/ForwardPass.cpp b/Source/Engine/Renderer/ForwardPass.cpp
index 42796764f..caf624609 100644
--- a/Source/Engine/Renderer/ForwardPass.cpp
+++ b/Source/Engine/Renderer/ForwardPass.cpp
@@ -72,7 +72,7 @@ void ForwardPass::Dispose()
     _shader = nullptr;
 }
 
-void ForwardPass::Render(RenderContext& renderContext, GPUTexture* input, GPUTexture* output)
+void ForwardPass::Render(RenderContext& renderContext, GPUTexture*& input, GPUTexture*& output)
 {
     PROFILE_GPU_CPU("Forward");
     auto context = GPUDevice::Instance->GetMainContext();
@@ -91,6 +91,16 @@ void ForwardPass::Render(RenderContext& renderContext, GPUTexture* input, GPUTex
     // Check if there is no objects to render or no resources ready
     auto& forwardList = mainCache->DrawCallsLists[(int32)DrawCallsListType::Forward];
     auto& distortionList = mainCache->DrawCallsLists[(int32)DrawCallsListType::Distortion];
+    if ((forwardList.IsEmpty() && distortionList.IsEmpty())
+#if USE_EDITOR
+        || renderContext.View.Mode == ViewMode::PhysicsColliders
+#endif
+        )
+    {
+        // Skip rendering
+        Swap(input, output);
+        return;
+    }
     if (distortionList.IsEmpty() || checkIfSkipPass())
     {
         // Copy frame
diff --git a/Source/Engine/Renderer/ForwardPass.h b/Source/Engine/Renderer/ForwardPass.h
index 552052eb1..be3126e0e 100644
--- a/Source/Engine/Renderer/ForwardPass.h
+++ b/Source/Engine/Renderer/ForwardPass.h
@@ -31,7 +31,7 @@ public:
     /// <param name="renderContext">The rendering context.</param>
     /// <param name="input">Target with renderer frame ready for further processing.</param>
     /// <param name="output">The output frame.</param>
-    void Render(RenderContext& renderContext, GPUTexture* input, GPUTexture* output);
+    void Render(RenderContext& renderContext, GPUTexture*& input, GPUTexture*& output);
 
 private: