Conor McCarthy (@cmccarthy) commented about demos/demo_xcb.h:
} swapchain->buffer_count = image_count; free(vk_images);
- if (FAILED(ID3D12Device_CreateFence(d3d12_device, 0, 0, &IID_ID3D12Fence, &swapchain->present_fence)))
This needs a (void **) cast to silence warnings.