message: Fix reading initial state for upload heap buffers.
diff: @@ -79,10 +79,6 @@ bool D3D12ResourceManager::Prepare_InitialState(ID3D12DeviceChild *res)
  SetInitialContents(GetResID(r), D3D12InitialContents(D3D12InitialContents::MapDirect));
  return true;
  }
  - else if(heapProps.Type == D3D12_HEAP_TYPE_UPLOAD)
  - {
  - return true;
  - }
  heapProps.Type = D3D12_HEAP_TYPE_READBACK;
  heapProps.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
  @@ -104,7 +100,9 @@ bool D3D12ResourceManager::Prepare_InitialState(ID3D12DeviceChild *res)
  RDCASSERT(states.size() == 1);
  D3D12_RESOURCE_BARRIER barrier;
  - const bool needsTransition = (states[0] & D3D12_RESOURCE_STATE_COPY_SOURCE) == 0;
  + const bool isUploadHeap = (heapProps.Type == D3D12_HEAP_TYPE_UPLOAD);
  + const bool needsTransition =
  + !isUploadHeap && ((states[0] & D3D12_RESOURCE_STATE_COPY_SOURCE) == 0);
  if(needsTransition)
  {
  