91 lines
2.7 KiB
Plaintext
91 lines
2.7 KiB
Plaintext
/*
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* DemoViewController.mm
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*
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* Copyright (c) 2014-2019 The Brenwill Workshop Ltd. (http://www.brenwill.com)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import "DemoViewController.h"
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#import <QuartzCore/CAMetalLayer.h>
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#pragma mark -
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#pragma mark VulkanSamples extension for iOS & OSX support
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#include "Samples.h" // The LunarG VulkanSamples code
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static NSView* sampleView; // Global variable to pass NSView to LunarG sample code
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/**
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* Called from sample.
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* Initialize sample from view, and resize view in accordance with the sample.
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*/
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void init_window(struct sample_info &info) {
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info.window = sampleView;
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sampleView.bounds = CGRectMake(0, 0, info.width, info.height);
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}
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/** Called from sample. Return path to resource folder. */
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std::string get_base_data_dir() {
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return [NSBundle.mainBundle.resourcePath stringByAppendingString: @"/"].UTF8String;
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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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/** 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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sampleView = self.view; // Pass the view to the sample code
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sample_main(0, NULL); // Run the LunarG sample
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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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@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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