| /* |
| * DemoViewController.mm |
| * |
| * Copyright (c) 2015-2020 The Brenwill Workshop Ltd. (http://www.brenwill.com) |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #import "DemoViewController.h" |
| #import <QuartzCore/CAMetalLayer.h> |
| |
| |
| #pragma mark - |
| #pragma mark VulkanSamples extension for iOS & OSX support |
| |
| #include "Samples.h" // The LunarG VulkanSamples code |
| |
| |
| static NSView* sampleView; // Global variable to pass NSView to LunarG sample code |
| |
| /** |
| * Called from sample. |
| * Initialize sample from view, and resize view in accordance with the sample. |
| */ |
| void init_window(struct sample_info &info) { |
| info.caMetalLayer = sampleView.layer; |
| sampleView.bounds = CGRectMake(0, 0, info.width, info.height); |
| } |
| |
| /** Called from sample. Return path to resource folder. */ |
| std::string get_base_data_dir() { |
| return [NSBundle.mainBundle.resourcePath stringByAppendingString: @"/"].UTF8String; |
| } |
| |
| |
| #pragma mark - |
| #pragma mark DemoViewController |
| |
| @implementation DemoViewController {} |
| |
| /** Since this is a single-view app, initialize Vulkan during view loading. */ |
| -(void) viewDidLoad { |
| [super viewDidLoad]; |
| |
| self.view.wantsLayer = YES; // Back the view with a layer created by the makeBackingLayer method. |
| |
| sampleView = self.view; // Pass the view to the sample code |
| sample_main(0, NULL); // Run the LunarG sample |
| } |
| |
| /** Resize the window to fit the size of the content as set by the sample code. */ |
| -(void) viewWillAppear { |
| [super viewWillAppear]; |
| |
| CGSize vSz = self.view.bounds.size; |
| NSWindow *window = self.view.window; |
| NSRect wFrm = [window contentRectForFrameRect: window.frame]; |
| NSRect newWFrm = [window frameRectForContentRect: NSMakeRect(wFrm.origin.x, wFrm.origin.y, vSz.width, vSz.height)]; |
| [window setFrame: newWFrm display: YES animate: window.isVisible]; |
| [window center]; |
| } |
| |
| @end |
| |
| |
| #pragma mark - |
| #pragma mark DemoView |
| |
| @implementation DemoView |
| |
| /** Indicates that the view wants to draw using the backing layer instead of using drawRect:. */ |
| -(BOOL) wantsUpdateLayer { return YES; } |
| |
| /** Returns a Metal-compatible layer. */ |
| +(Class) layerClass { return [CAMetalLayer class]; } |
| |
| /** If the wantsLayer property is set to YES, this method will be invoked to return a layer instance. */ |
| -(CALayer*) makeBackingLayer { return [self.class.layerClass layer]; } |
| |
| @end |