Compoiste alpha flag selection based on device support
Compoiste alpha flag selection based on device support

ming4883/Vulkan,SaschaWillems/Vulkan,grim210/Vulkan,SaschaWillems/Vulkan,jpbruyere/Vulkan,SaschaWillems/Vulkan,ming4883/Vulkan,ming4883/Vulkan,SaschaWillems/Vulkan,jpbruyere/Vulkan,SaschaWillems/Vulkan,grim210/Vulkan