Add support for iOS and macOS via MoltenVK.

xcode/ios/DemoViewController.mm

@@ -0,0 +1,63 @@
+/*
+ * DemoViewController.mm
+ *
+ * Copyright (c) 2014-2017 The Brenwill Workshop Ltd. All rights reserved.
+ * http://www.brenwill.com
+ */
+
+#import "DemoViewController.h"
+
+#include "examples.h"
+
+
+const std::string VulkanExampleBase::getAssetPath() {
+    return [NSBundle.mainBundle.resourcePath stringByAppendingString: @"/data/"].UTF8String;
+}
+
+
+#pragma mark -
+#pragma mark DemoViewController
+
+@implementation DemoViewController {
+    VulkanExample* _vulkanExample;
+    CADisplayLink* _displayLink;
+}
+
+/** Since this is a single-view app, init Vulkan when the view is loaded. */
+-(void) viewDidLoad {
+	[super viewDidLoad];
+
+    _vulkanExample = new VulkanExample();
+    _vulkanExample->initVulkan();
+    _vulkanExample->setupWindow(self.view);
+    _vulkanExample->initSwapchain();
+    _vulkanExample->prepare();
+
+    uint32_t fps = 60;
+    _displayLink = [CADisplayLink displayLinkWithTarget: self selector: @selector(renderFrame)];
+    [_displayLink setFrameInterval: 60 / fps];
+    [_displayLink addToRunLoop: NSRunLoop.currentRunLoop forMode: NSDefaultRunLoopMode];
+}
+
+-(void) renderFrame {
+    _vulkanExample->renderFrame();
+}
+
+-(void) dealloc {
+    delete(_vulkanExample);
+    [super dealloc];
+}
+
+@end
+
+
+#pragma mark -
+#pragma mark DemoView
+
+@implementation DemoView
+
+/** Returns a Metal-compatible layer. */
++(Class) layerClass { return [CAMetalLayer class]; }
+
+@end
+