Add fatal error checks to avoid crashes on load in AS init state apply

renderdoc/driver/d3d12/d3d12_initstate.cpp

@@ -2087,6 +2087,9 @@ void D3D12ResourceManager::Apply_InitialState(ID3D12DeviceChild *live, D3D12Init
               RDCMAX(4 * 1024 * 1024ULL, prebuild.ScratchDataSizeInBytes));
         }
 
+        if(m_Device->HasFatalError() || GetRTManager()->ASSerialiseBuffer == NULL)
+          return;
+
         desc.ScratchAccelerationStructureData = GetRTManager()->ASSerialiseBuffer->Address();
       }
 
@@ -2155,6 +2158,9 @@ void D3D12ResourceManager::Apply_InitialState(ID3D12DeviceChild *live, D3D12Init
                                    D3D12GpuBufferHeapMemoryFlag::Default,
                                    prebuild.ResultDataMaxSizeInBytes, 256, &data.cachedBuiltAS);
 
+        if(!data.cachedBuiltAS)
+          return;
+
         ResourceId origId = GetOriginalID(as->GetResourceID());
 
         UINT numPostBuilds = 0;