From 70da7c2287f9fce6835f66ec6e4729c58ca5f6b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tur=C3=A1nszki=20J=C3=A1nos?= <turanszkij@gmail.com>
Date: Sat, 13 Sep 2025 08:36:20 +0200
Subject: [PATCH] added some more post processing support for path tracing
 renderer

---
 WickedEngine/wiRenderPath3D_PathTracing.cpp | 78 +++++++++++++++++++--
 WickedEngine/wiVersion.cpp                  |  2 +-
 2 files changed, 72 insertions(+), 8 deletions(-)

diff --git a/WickedEngine/wiRenderPath3D_PathTracing.cpp b/WickedEngine/wiRenderPath3D_PathTracing.cpp
index 9c3ba76c8..50526d16d 100644
--- a/WickedEngine/wiRenderPath3D_PathTracing.cpp
+++ b/WickedEngine/wiRenderPath3D_PathTracing.cpp
@@ -565,11 +565,33 @@ namespace wi
 				device->RenderPassEnd(cmd);
 			}
 
+			// Post processing:
+			const Texture* rt_read = &rtMain;
+			const Texture* rt_write = &rtPostprocess;
+
+			for (auto& x : custom_post_processes)
+			{
+				if (x.stage == CustomPostprocess::Stage::BeforeTonemap)
+				{
+					wi::renderer::Postprocess_Custom(
+						x.computeshader,
+						*rt_read,
+						*rt_write,
+						cmd,
+						x.params0,
+						x.params1,
+						x.name.c_str()
+					);
+
+					std::swap(rt_read, rt_write);
+				}
+			}
+
 			if (getEyeAdaptionEnabled())
 			{
 				wi::renderer::ComputeLuminance(
 					luminanceResources,
-					rtMain,
+					*rt_read,
 					cmd,
 					getEyeAdaptionRate(),
 					getEyeAdaptionKey()
@@ -579,7 +601,7 @@ namespace wi
 			{
 				wi::renderer::ComputeBloom(
 					bloomResources,
-					rtMain,
+					*rt_read,
 					cmd,
 					getBloomThreshold(),
 					getExposure(),
@@ -588,8 +610,8 @@ namespace wi
 			}
 
 			wi::renderer::Postprocess_Tonemap(
-				rtMain,
-				rtPostprocess,
+				*rt_read,
+				*rt_write,
 				cmd,
 				getExposure(),
 				getBrightness(),
@@ -605,7 +627,49 @@ namespace wi
 				&distortion_overlay,
 				getHDRCalibration()
 			);
-			lastPostprocessRT = &rtPostprocess;
+			std::swap(rt_read, rt_write);
+
+			for (auto& x : custom_post_processes)
+			{
+				if (x.stage == CustomPostprocess::Stage::AfterTonemap)
+				{
+					wi::renderer::Postprocess_Custom(
+						x.computeshader,
+						*rt_read,
+						*rt_write,
+						cmd,
+						x.params0,
+						x.params1,
+						x.name.c_str()
+					);
+
+					std::swap(rt_read, rt_write);
+				}
+			}
+
+			if (getSharpenFilterEnabled())
+			{
+				wi::renderer::Postprocess_Sharpen(*rt_read, *rt_write, cmd, getSharpenFilterAmount());
+
+				std::swap(rt_read, rt_write);
+			}
+
+			if (getFXAAEnabled())
+			{
+				wi::renderer::Postprocess_FXAA(*rt_read, *rt_write, cmd);
+
+				std::swap(rt_read, rt_write);
+			}
+
+			if (getChromaticAberrationEnabled())
+			{
+				wi::renderer::Postprocess_Chromatic_Aberration(*rt_read, *rt_write, cmd, getChromaticAberrationAmount());
+
+				std::swap(rt_read, rt_write);
+			}
+
+			lastPostprocessRT = rt_read;
+
 
 			// GUI Background blurring:
 			{
@@ -617,7 +681,7 @@ namespace wi
 				device->EventEnd(cmd);
 				wi::profiler::EndRange(range);
 			}
-			});
+		});
 
 		RenderPath2D::Render();
 
@@ -636,7 +700,7 @@ namespace wi
 		fx.enableFullScreen();
 		fx.blendFlag = wi::enums::BLENDMODE_OPAQUE;
 		fx.quality = wi::image::QUALITY_LINEAR;
-		wi::image::Draw(&rtPostprocess, fx, cmd);
+		wi::image::Draw(lastPostprocessRT, fx, cmd);
 
 		device->EventEnd(cmd);
 
diff --git a/WickedEngine/wiVersion.cpp b/WickedEngine/wiVersion.cpp
index d8671c94b..ec5281e54 100644
--- a/WickedEngine/wiVersion.cpp
+++ b/WickedEngine/wiVersion.cpp
@@ -9,7 +9,7 @@ namespace wi::version
 	// minor features, major updates, breaking compatibility changes
 	const int minor = 71;
 	// minor bug fixes, alterations, refactors, updates
-	const int revision = 823;
+	const int revision = 824;
 
 	const std::string version_string = std::to_string(major) + "." + std::to_string(minor) + "." + std::to_string(revision);