demos: Enable all required exts for present caps

KhronosGroup / Vulkan-LoaderAndValidationLayers

**Deprecated repository** for Vulkan loader and validation layers

Apache License 2.0

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Closed mikes-lunarg closed 6 years ago

mikes-lunarg commented 6 years ago

vkGetDeviceGroupPresentCapabilitiesKHR requires VK_KHR_SURFACE and VK_KHR_SWAPCHAIN in addition to VK_KHR_DEVICE_GROUP