From f835647d91083774e2c7ba97b978279e87654692 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin-Karl=20Lefran=C3=A7ois?= <mlefrancois@nvidia.com>
Date: Mon, 27 Nov 2023 11:18:04 +0100
Subject: [PATCH] Fixing rotation matrix

---
 ray_tracing_motionblur/hello_vulkan.cpp | 4 ++--
 ray_tracing_motionblur/main.cpp         | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/ray_tracing_motionblur/hello_vulkan.cpp b/ray_tracing_motionblur/hello_vulkan.cpp
index ef280be..c5bcda1 100644
--- a/ray_tracing_motionblur/hello_vulkan.cpp
+++ b/ray_tracing_motionblur/hello_vulkan.cpp
@@ -675,7 +675,7 @@ void HelloVulkan::createTopLevelAS()
   {
     uint64_t _pad{0};
   };
-  static_assert((sizeof(VkAccelerationStructureMotionInstanceNVPad) == 160));
+  static_assert(sizeof(VkAccelerationStructureMotionInstanceNVPad) == 160);
 
   // #NV_Motion_blur
   uint32_t                                                objId;
@@ -706,7 +706,7 @@ void HelloVulkan::createTopLevelAS()
   objId = 0;
   {
     // m_instance[3].transform -> no matrix to SRT
-    glm::quat rot = {};
+    glm::quat rot = {1,0,0,0};
 
     // Position of the instance at T0 and T1
     VkSRTDataNV matT0{};  // Translated to 0,0,2
diff --git a/ray_tracing_motionblur/main.cpp b/ray_tracing_motionblur/main.cpp
index 2983041..dacd253 100644
--- a/ray_tracing_motionblur/main.cpp
+++ b/ray_tracing_motionblur/main.cpp
@@ -150,7 +150,7 @@ int main(int argc, char** argv)
   nvvk::Context vkctx{};
   vkctx.ignoreDebugMessage(0x79de34d4);  // Missing Device Extension "VK_NV_ray_tracing_motion_blur"
   vkctx.ignoreDebugMessage(0xf69d66f5);  // Value of pInfos[0].pGeometries[0].geometry.triangles.pNext must be NULL
-  vkctx.ignoreDebugMessage(0xd80a42ae);  // SPIR-V Extension (SPV_NV_ray_tracing_motion_blur)
+  vkctx.ignoreDebugMessage(0x938b32);  // SPIR-V Extension (SPV_NV_ray_tracing_motion_blur)
   vkctx.initInstance(contextInfo);