Adding the iOS app and integration example with GlRenderer.

remoting/client/ios/example_view_controller.mm

-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-#import "remoting/client/ios/example_view_controller.h"
-
-#import "remoting/client/display/sys_opengl.h"
-
-@interface ExampleViewController()
-
-// Helper functions dealing with the GL Context.
-- (void)setupGL;
-- (void)tearDownGL;
-
-@end
-
-@implementation ExampleViewController
-
-#pragma mark - UIViewController
-
-- (void)viewDidLoad {
-  [super viewDidLoad];
-
-  _context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
-  static_cast<GLKView*>(self.view).context = _context;
-
-  [self setupGL];
-}
-
-- (void)viewDidUnload {
-  [super viewDidUnload];
-  [self tearDownGL];
-
-  if ([EAGLContext currentContext] == _context) {
-    [EAGLContext setCurrentContext:nil];
-  }
-  _context = nil;
-}
-
-- (void)setupGL {
-  [EAGLContext setCurrentContext:_context];
-}
-
-- (void)tearDownGL {
-  [EAGLContext setCurrentContext:_context];
-}
-
-- (void)viewWillAppear:(BOOL)animated {
-  [super viewWillAppear:animated];
-}
-
-- (void)viewDidAppear:(BOOL)animated {
-}
-
-- (void)viewWillDisappear:(BOOL)animated {
-  [super viewWillDisappear:NO];
-}
-
-- (void)viewDidLayoutSubviews {
-  [super viewDidLayoutSubviews];
-}
-
-#pragma mark - GLKViewDelegate
-
-// In general, avoid expensive work in this function to maximize frame rate.
-- (void)glkView:(GLKView*)view drawInRect:(CGRect)rect {
-  // Clear to give the background color.
-  glClearColor(0.0, 40.0, 0.0, 1.0);
-  glClear(GL_COLOR_BUFFER_BIT);
-}
-
-@end