From 5f529371487be44af990357d32d85a61fea725a1 Mon Sep 17 00:00:00 2001
From: pikachuxxxx <phani.s2909@icloud.com>
Date: Sun, 16 Aug 2026 08:37:10 +0530
Subject: [PATCH 1/3] Fix minor typos in GPU raytracing pipeline

---
 include/nbl/video/IGPURayTracingPipeline.h  | 2 +-
 src/nbl/video/CVulkanRayTracingPipeline.cpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/nbl/video/IGPURayTracingPipeline.h b/include/nbl/video/IGPURayTracingPipeline.h
index 8ea008590f..e19ad5140a 100644
--- a/include/nbl/video/IGPURayTracingPipeline.h
+++ b/include/nbl/video/IGPURayTracingPipeline.h
@@ -84,7 +84,7 @@ class IGPURayTracingPipeline :  public IGPUPipeline<asset::IRayTracingPipeline<c
                     }
 
                     // https://docs.vulkan.org/spec/latest/chapters/pipelines.html#VUID-VkRayTracingPipelineCreateInfoKHR-flags-03471
-                    if (cached.flags.hasFlags(FLAGS::NO_NULL_CLOSEST_HIT_SHADERS) && !shaderGroup.intersection.shader)
+                    if (cached.flags.hasFlags(FLAGS::NO_NULL_CLOSEST_HIT_SHADERS) && !shaderGroup.closestHit.shader)
                         return {};
                 }
 
diff --git a/src/nbl/video/CVulkanRayTracingPipeline.cpp b/src/nbl/video/CVulkanRayTracingPipeline.cpp
index 89ea2f9152..17f1cd5f87 100644
--- a/src/nbl/video/CVulkanRayTracingPipeline.cpp
+++ b/src/nbl/video/CVulkanRayTracingPipeline.cpp
@@ -19,7 +19,7 @@ namespace nbl::video
     m_shaderGroupHandles(std::move(shaderGroupHandles)),
     m_missStackSizes(core::make_refctd_dynamic_array<GeneralGroupStackSizeContainer>(params.shaderGroups.misses.size())),
     m_hitGroupStackSizes(core::make_refctd_dynamic_array<HitGroupStackSizeContainer>(params.shaderGroups.hits.size())),
-    m_callableStackSizes(core::make_refctd_dynamic_array<GeneralGroupStackSizeContainer>(params.shaderGroups.hits.size()))
+    m_callableStackSizes(core::make_refctd_dynamic_array<GeneralGroupStackSizeContainer>(params.shaderGroups.callables.size()))
   {
     const auto* vulkanDevice = static_cast<const CVulkanLogicalDevice*>(getOriginDevice());
     auto* vk = vulkanDevice->getFunctionTable();

From 37e4d68d4d9333f1e04290b96f3a12baa3ace137 Mon Sep 17 00:00:00 2001
From: pikachuxxxx <phani.s2909@icloud.com>
Date: Sun, 16 Aug 2026 08:37:41 +0530
Subject: [PATCH 2/3] Added new PhotonCaustic example for assignment

- Just contains a basic path traces for now
---
 examples_tests | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples_tests b/examples_tests
index 8515f32fc4..1586eb6967 160000
--- a/examples_tests
+++ b/examples_tests
@@ -1 +1 @@
-Subproject commit 8515f32fc4bb630270dbe3bca83a2835fd2006e2
+Subproject commit 1586eb696760e831ee27ba4b0ea26e22cb2c2845

From d3348fc8482576bea066bfd56ab10c63d2471df5 Mon Sep 17 00:00:00 2001
From: pikachuxxxx <phani.s2909@icloud.com>
Date: Sun, 16 Aug 2026 23:08:04 +0530
Subject: [PATCH 3/3] update example

---
 examples_tests | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples_tests b/examples_tests
index 1586eb6967..d83fd5e9d5 160000
--- a/examples_tests
+++ b/examples_tests
@@ -1 +1 @@
-Subproject commit 1586eb696760e831ee27ba4b0ea26e22cb2c2845
+Subproject commit d83fd5e9d5e67d130a65347d11733f69ed522648