Minor changes to DiffuseProbeGridDownsamplePass

Signed-off-by: dmcdiarmid-ly <63674186+dmcdiarmid-ly@users.noreply.github.com>

Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridDownsamplePass.cpp

@@ -27,8 +27,19 @@ namespace AZ
 
         bool DiffuseProbeGridDownsamplePass::IsEnabled() const
         {
+            if (!Base::IsEnabled())
+            {
+                return false;
+            }
+
+            RPI::Scene* scene = m_pipeline->GetScene();
+            if (!scene)
+            {
+                return false;
+            }
+
             // only enabled if there are DiffuseProbeGrids present in the scene
-            DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = m_pipeline->GetScene()->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
+            DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
             return (diffuseProbeGridFeatureProcessor && !diffuseProbeGridFeatureProcessor->GetProbeGrids().empty());
         }
 

Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridDownsamplePass.h

@@ -18,10 +18,11 @@ namespace AZ
         class DiffuseProbeGridDownsamplePass
             : public RPI::FullscreenTrianglePass
         {
+            using Base = RPI::FullscreenTrianglePass;
             AZ_RPI_PASS(DiffuseProbeGridDownsamplePass);
 
         public:
-            AZ_RTTI(Render::DiffuseProbeGridDownsamplePass, "{B3331B68-F974-44D6-806B-2CFFB4B6B563}", FullscreenTrianglePass);
+            AZ_RTTI(Render::DiffuseProbeGridDownsamplePass, "{B3331B68-F974-44D6-806B-2CFFB4B6B563}", Base);
             AZ_CLASS_ALLOCATOR(Render::DiffuseProbeGridDownsamplePass, SystemAllocator, 0);
 
             //! Creates a new pass without a PassTemplate