message: Scale help window size for hidpi monitors
diff: @@ -922,7 +922,7 @@ void TraceLoader::render()
  if ( m_show_help && !ImGui::IsPopupOpen( "GpuVis Help" ) )
  {
  ImGui::OpenPopup( "GpuVis Help" );
  - ImGui::SetNextWindowSize( ImVec2( 600, 600 ), ImGuiSetCond_FirstUseEver );
  + ImGui::SetNextWindowSize( ImVec2( imgui_scale( 600 ), imgui_scale( 600 ) ), ImGuiSetCond_FirstUseEver );
  }
  if ( ImGui::BeginPopupModal( "GpuVis Help", &m_show_help, 0 ) )
  {
  