AppViewController Class Reference

Inheritance diagram for AppViewController:

Instance Methods
(void)	- loadView [implementation]
(void)	- viewDidLoad [implementation]
(void)	- handleTap: [implementation]

Properties
id< MTLDevice >	metalDevice
id< MTLCommandQueue >	metalQueue
SkiaContext *	skiaContext
UIStackView *	stackView

Detailed Description

Definition at line 89 of file main.mm.

Method Documentation

handleTap:

- (void) handleTap: (UIGestureRecognizer*)  sender

implementation

Definition at line 15 of file main.mm.

                 :(UIGestureRecognizer*)sender {
    if ([sender state] != UIGestureRecognizerStateEnded) {
        return;
    }
    NSArray<UIView*>* subviews = [[self stackView] subviews];
    for (NSUInteger i = 0; i < [subviews count]; ++i) {
        UIView* uIView = [subviews objectAtIndex:i];
        if (SkiaViewController* controller = [[self skiaContext] getViewController:uIView]) {
            [controller togglePaused];
            [uIView setNeedsDisplay];
        }
    }
}

loadView

- (void) loadView

implementation

Definition at line 91 of file main.mm.

                 {
    [self setView:[[MTKView alloc] initWithFrame:[[UIScreen mainScreen] bounds] device:nil]];
}

viewDidLoad

- (void) viewDidLoad

implementation

Definition at line 91 of file main.mm.

                    {
    [super viewDidLoad];
    if (!fGrContext) {
        [self setMetalDevice:MTLCreateSystemDefaultDevice()];
        [self setMetalQueue:[[self metalDevice] newCommandQueue]];
        fGrContext = SkMetalDeviceToGrContext([self metalDevice], [self metalQueue]);
    }
    if (![self view] || ![self metalDevice]) {
        NSLog(@"Metal is not supported on this device");
        self.view = [[UIView alloc] initWithFrame:self.view.frame];
        return;
    }
    MTKView* mtkView = (MTKView*)[self view];
    [mtkView setDevice:[self metalDevice]];
    [mtkView setBackgroundColor:[UIColor blackColor]];
    SkMtkViewConfigForSkia(mtkView);
    AppViewDelegate* viewDelegate = [[AppViewDelegate alloc] init];
    [viewDelegate setGrContext:fGrContext.get()];
    [viewDelegate setMetalQueue:[self metalQueue]];
    [viewDelegate mtkView:mtkView drawableSizeWillChange:[mtkView bounds].size];
    [mtkView setDelegate:viewDelegate];
}

Property Documentation

metalDevice

- (id<MTLDevice>) metalDevice

readwritenonatomicstrong

Definition at line 90 of file main.mm.

metalQueue

- (id<MTLCommandQueue>) metalQueue

readwritenonatomicstrong

Definition at line 91 of file main.mm.

skiaContext

- (SkiaContext*) skiaContext

readwriteatomicstrong

Definition at line 14 of file main.mm.

stackView

- (UIStackView*) stackView

readwriteatomicstrong

Definition at line 15 of file main.mm.

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The documentation for this class was generated from the following files:

• third_party/skia/experimental/minimal_ios_mtl_skia_app/main.mm
• third_party/skia/tools/skottie_ios_app/main.mm