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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #if !defined(__has_feature) || !__has_feature(objc_arc) | |
| 6 #error "This file requires ARC support." | |
| 7 #endif | |
| 8 | |
| 9 #import "remoting/client/ios/app/example_view_controller.h" | |
| 10 | |
| 11 #import "remoting/client/display/sys_opengl.h" | |
| 12 | |
| 13 #include "base/message_loop/message_loop.h" | |
| 14 #include "remoting/protocol/frame_stats.h" | |
| 15 #include "third_party/webrtc/modules/desktop_capture/desktop_frame.h" | |
| 16 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h" | |
| 17 | |
| 18 @interface ExampleViewController () | |
| 19 | |
| 20 // Helper functions dealing with the GL Context. | |
| 21 - (void)setupGL; | |
| 22 - (void)tearDownGL; | |
| 23 | |
| 24 @end | |
| 25 | |
| 26 @implementation ExampleViewController | |
| 27 | |
| 28 #pragma mark - UIViewController | |
| 29 | |
| 30 - (void)viewDidLoad { | |
| 31 [super viewDidLoad]; | |
| 32 _gestures = [[ClientGestures alloc] initWithView:self.view]; | |
| 33 // TODO(nicholss): For prod code, make sure to check for ES3 support and | |
| 34 // fall back to ES2 if needed. | |
| 35 _context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES3]; | |
| 36 _runtime = new remoting::ios::AppRuntime(); | |
| 37 static_cast<GLKView*>(self.view).context = _context; | |
| 38 [self setupGL]; | |
| 39 } | |
| 40 | |
| 41 - (void)viewDidUnload { | |
| 42 [super viewDidUnload]; | |
| 43 [self tearDownGL]; | |
| 44 | |
| 45 if ([EAGLContext currentContext] == _context) { | |
| 46 [EAGLContext setCurrentContext:nil]; | |
| 47 } | |
| 48 _context = nil; | |
| 49 } | |
| 50 | |
| 51 - (void)setupGL { | |
| 52 _display_handler = [[GlDisplayHandler alloc] initWithRuntime:_runtime]; | |
| 53 [_display_handler created]; | |
| 54 } | |
| 55 | |
| 56 - (void)tearDownGL { | |
| 57 // TODO(nicholss): Implement this in a real application. | |
| 58 } | |
| 59 | |
| 60 - (void)viewWillAppear:(BOOL)animated { | |
| 61 [super viewWillAppear:animated]; | |
| 62 } | |
| 63 | |
| 64 - (void)viewDidAppear:(BOOL)animated { | |
| 65 _video_renderer = | |
| 66 (remoting::SoftwareVideoRenderer*)[_display_handler CreateVideoRenderer] | |
| 67 .get(); | |
| 68 } | |
| 69 | |
| 70 - (void)viewWillDisappear:(BOOL)animated { | |
| 71 [super viewWillDisappear:NO]; | |
| 72 } | |
| 73 | |
| 74 - (void)viewDidLayoutSubviews { | |
| 75 [super viewDidLayoutSubviews]; | |
| 76 } | |
| 77 | |
| 78 #pragma mark - GLKViewDelegate | |
| 79 | |
| 80 // In general, avoid expensive work in this function to maximize frame rate. | |
| 81 - (void)glkView:(GLKView*)view drawInRect:(CGRect)rect { | |
| 82 if (_display_handler) { | |
| 83 [_display_handler glkView:view drawInRect:rect]; | |
| 84 } | |
| 85 } | |
| 86 | |
| 87 @end | |
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