Fields
- sType: VkStructureType
- pNext: *void
- displayPrimaryRed: VkXYColorEXT
- displayPrimaryGreen: VkXYColorEXT
- displayPrimaryBlue: VkXYColorEXT
- whitePoint: VkXYColorEXT
- maxLuminance: float
- minLuminance: float
- maxContentLightLevel: float
- maxFrameAverageLightLevel: float