windowHdrHeadroom
The HDR headroom of the window, 1.0 unless the back-end can query it
The HDR headroom of the window, 1.0 unless the back-end can query it
The HDR headroom of the window, 1.0 unless the back-end can query it
The HDR headroom of the window, 1.0 unless the back-end can query it
The HDR headroom of the window, 1.0 unless the back-end can query it
The HDR headroom of the window, 1.0 unless the back-end can query it