77 lines
2.6 KiB
Plaintext
77 lines
2.6 KiB
Plaintext
/* Copyright (c) 2024, Holochip Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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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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#include "ViewController.h"
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#include "ios/context.hpp"
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#include "core/platform/entrypoint.hpp"
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#include "platform/ios/ios_platform.h"
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#include "platform/ios/ios_window.h"
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int platform_main(const vkb::PlatformContext &);
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@interface ViewController(){
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CADisplayLink* _displayLink;
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std::unique_ptr<vkb::PlatformContext> context;
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vkb::IosPlatformContext* _context;
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vkb::ExitCode _code;
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}
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@property (retain, nonatomic) IBOutlet VulkanView *vulkan_view;
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@end
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@implementation ViewController
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- (void)viewDidLoad {
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[super viewDidLoad];
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// Convert incoming args to "C" argc/argv strings
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NSArray *args = [[NSProcessInfo processInfo] arguments];
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const char** argv = (const char**) alloca(sizeof(char*) * args.count);
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for(unsigned int i = 0; i < args.count; i++) {
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NSString *s = args[i];
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argv[i] = s.UTF8String;
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}
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self.vulkan_view.contentScaleFactor = UIScreen.mainScreen.nativeScale;
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context = create_platform_context((int)args.count, const_cast<char**>(argv));
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_context = (vkb::IosPlatformContext*)context.get();
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_context->view = self.vulkan_view;
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_code = (vkb::ExitCode)platform_main(*context);
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uint32_t fps = 60;
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_displayLink = [CADisplayLink displayLinkWithTarget: self selector: @selector(renderLoop)];
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[_displayLink setPreferredFramesPerSecond:fps];
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[_displayLink addToRunLoop: NSRunLoop.currentRunLoop forMode: NSDefaultRunLoopMode];
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}
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-(void) renderLoop {
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if(!_displayLink.isPaused && [UIApplication sharedApplication].applicationState == UIApplicationStateActive) {
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if(_code == vkb::ExitCode::Success) {
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_code = ((vkb::IosPlatform*)_context->userPlatform)->main_loop_frame();
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}
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else {
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// On ExitCode error, remove displayLink from run loop and terminate any active sample or batch run
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[_displayLink invalidate];
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((vkb::IosPlatform*)_context->userPlatform)->terminate(_code);
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// Not typically allowed for iOS apps, but exit here given this is an Xcode-controlled dev application
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exit(0);
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}
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}
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}
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@end
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