Unify uint32_t flags into 1 sortMode enum

Author: chauvuha

Samples/Desktop/D3D12Raytracing/src/D3D12RaytracingSakuraForestSER/D3D12RaytracingSakuraForestSER.cpp

@@ -1554,15 +1554,22 @@ void D3D12RaytracingSakuraForestSER::OnUpdate()
         const XMVECTOR& prevLightPosition = m_sceneCB[prevFrameIndex].lightPosition;
         m_sceneCB[frameIndex].lightPosition = XMVector3Transform(prevLightPosition, rotate);
     }
-    m_sceneCB[frameIndex].enableSER = m_serEnabled ? 1 : 0;
-    if (m_sortByHit)
+    if (!m_serEnabled)
+    {
+        m_sceneCB[frameIndex].sortMode = SORTMODE_OFF;
+    }
+    else if (m_sortByHit)
+    {
         m_sceneCB[frameIndex].sortMode = SORTMODE_BY_HIT;
+    }
     else if (m_sortByMaterial)
+    {
         m_sceneCB[frameIndex].sortMode = SORTMODE_BY_MATERIAL;
+    }
     else if (m_sortByBoth)
+    {
         m_sceneCB[frameIndex].sortMode = SORTMODE_BY_BOTH;
-    else
-        m_sceneCB[frameIndex].sortMode = SORTMODE_OFF;
+    }
 }
 
 void D3D12RaytracingSakuraForestSER::DoRaytracing()

Samples/Desktop/D3D12Raytracing/src/D3D12RaytracingSakuraForestSER/RayTracingHlslCompat.h

@@ -37,7 +37,6 @@ struct SceneConstantBuffer
     XMVECTOR lightPosition;
     XMVECTOR lightAmbientColor;
     XMVECTOR lightDiffuseColor;
-    uint32_t enableSER;
     uint32_t sortMode;
 };