90 lines
2.7 KiB
Text
90 lines
2.7 KiB
Text
/*
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* DemoViewController.mm
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*
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* Copyright (c) 2014-2017 The Brenwill Workshop Ltd. All rights reserved.
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* http://www.brenwill.com
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*/
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#import "DemoViewController.h"
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#import <QuartzCore/CAMetalLayer.h>
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#include "examples.h"
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const std::string VulkanExampleBase::getAssetPath() {
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return [NSBundle.mainBundle.resourcePath stringByAppendingString: @"/data/"].UTF8String;
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}
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/** Rendering loop callback function for use with a CVDisplayLink. */
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static CVReturn DisplayLinkCallback(CVDisplayLinkRef displayLink,
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const CVTimeStamp* now,
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const CVTimeStamp* outputTime,
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CVOptionFlags flagsIn,
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CVOptionFlags* flagsOut,
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void* target) {
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((VulkanExample*)target)->renderFrame();
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return kCVReturnSuccess;
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}
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#pragma mark -
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#pragma mark DemoViewController
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@implementation DemoViewController {
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VulkanExample* _vulkanExample;
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CVDisplayLinkRef _displayLink;
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}
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/** Since this is a single-view app, initialize Vulkan during view loading. */
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-(void) viewDidLoad {
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[super viewDidLoad];
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self.view.wantsLayer = YES; // Back the view with a layer created by the makeBackingLayer method.
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_vulkanExample = new VulkanExample();
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_vulkanExample->initVulkan();
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_vulkanExample->setupWindow(self.view);
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_vulkanExample->initSwapchain();
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_vulkanExample->prepare();
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CVDisplayLinkCreateWithActiveCGDisplays(&_displayLink);
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CVDisplayLinkSetOutputCallback(_displayLink, &DisplayLinkCallback, _vulkanExample);
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CVDisplayLinkStart(_displayLink);
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}
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/** Resize the window to fit the size of the content as set by the sample code. */
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-(void) viewWillAppear {
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[super viewWillAppear];
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CGSize vSz = self.view.bounds.size;
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NSWindow *window = self.view.window;
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NSRect wFrm = [window contentRectForFrameRect: window.frame];
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NSRect newWFrm = [window frameRectForContentRect: NSMakeRect(wFrm.origin.x, wFrm.origin.y, vSz.width, vSz.height)];
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[window setFrame: newWFrm display: YES animate: window.isVisible];
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[window center];
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}
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-(void) dealloc {
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CVDisplayLinkRelease(_displayLink);
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delete(_vulkanExample);
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[super dealloc];
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}
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@end
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#pragma mark -
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#pragma mark DemoView
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@implementation DemoView
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/** Indicates that the view wants to draw using the backing layer instead of using drawRect:. */
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-(BOOL) wantsUpdateLayer { return YES; }
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/** Returns a Metal-compatible layer. */
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+(Class) layerClass { return [CAMetalLayer class]; }
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/** If the wantsLayer property is set to YES, this method will be invoked to return a layer instance. */
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-(CALayer*) makeBackingLayer { return [self.class.layerClass layer]; }
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@end
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