Wait for device to become idle after exiting render loop
Wait for device to become idle after exiting render loop

grim210/Vulkan,SaschaWillems/Vulkan,jpbruyere/Vulkan,SaschaWillems/Vulkan,SaschaWillems/Vulkan,SaschaWillems/Vulkan,dreadwords/Vulkan,ming4883/Vulkan,martty/Vulkan,grim210/Vulkan,SaschaWillems/Vulkan,ming4883/Vulkan,jpbruyere/Vulkan,ming4883/Vulkan