message: Add a marker region for PickPixel
diff: @@ -2773,6 +2773,8 @@ void D3D11DebugManager::PickPixel(ResourceId texture, uint32_t x, uint32_t y, ui
  {
  D3D11RenderStateTracker tracker(m_WrappedContext);
  + D3D11MarkerRegion marker("PickPixel");
  +
  m_pImmediateContext->OMSetRenderTargets(1, &m_DebugRender.PickPixelRT, NULL);
  float color[4] = {0.0f, 0.0f, 0.0f, 0.0f};
  