Cube demo use staging buffers on macOS because host-coherent texture memory unavailable.
diff --git a/Demos/LunarG-VulkanSamples/Cube/macOS/DemoViewController.m b/Demos/LunarG-VulkanSamples/Cube/macOS/DemoViewController.m
index 6018369..df24993 100644
--- a/Demos/LunarG-VulkanSamples/Cube/macOS/DemoViewController.m
+++ b/Demos/LunarG-VulkanSamples/Cube/macOS/DemoViewController.m
@@ -42,8 +42,12 @@
[super viewDidLoad];
self.view.wantsLayer = YES; // Back the view with a layer created by the makeBackingLayer method.
- const char* arg = "cube";
- demo_main(&demo, self.view.layer, 1, &arg);
+
+ uint32_t argc = 2;
+ const char* argv[argc];
+ argv[0] = "cube";
+ argv[1] = "--use_staging";
+ demo_main(&demo, self.view.layer, argc, argv);
CVDisplayLinkCreateWithActiveCGDisplays(&_displayLink);
CVDisplayLinkSetOutputCallback(_displayLink, &DisplayLinkCallback, &demo);
