SkiaMetalContext Class Reference

Inheritance diagram for SkiaMetalContext:

Instance Methods
(instancetype)	- init
(UIView *)	- makeViewWithController:withFrame:
(SkiaViewController *)	- getViewController:

Properties
id< MTLDevice >	metalDevice
id< MTLCommandQueue >	metalQueue

Detailed Description

Definition at line 73 of file SkiaMetalContext.mm.

Method Documentation

getViewController:

- (SkiaViewController *) getViewController:

(UIView*)

view

Reimplemented from SkiaContext.

Definition at line 75 of file SkiaMetalContext.mm.

                                         :(UIView*)view {
    return [view isKindOfClass:[SkiaMtkView class]] ? [(SkiaMtkView*)view controller] : nil;
}

init

- (instancetype) init

Initial value:

{
    sk_sp<GrDirectContext> fDContext

Definition at line 75 of file SkiaMetalContext.mm.

                      {
    self = [super init];
    [self setMetalDevice:MTLCreateSystemDefaultDevice()];
    if(![self metalDevice]) {
        NSLog(@"Metal is not supported on this device");
        return nil;
    }
    [self setMetalQueue:[[self metalDevice] newCommandQueue]];
    GrMtlBackendContext backendContext = {};
    backendContext.fDevice.reset((__bridge void*)[self metalDevice]);
    backendContext.fQueue.reset((__bridge void*)[self metalQueue]);
    fDContext = GrDirectContexts::MakeMetal(backendContext, GrContextOptions());
 
    if (!fDContext) {
        NSLog(@"GrDirectContexts::MakeMetal failed");
        return nil;
    }
    return self;
}

makeViewWithController:withFrame:

- (UIView *) makeViewWithController:		(SkiaViewController*)	vc
withFrame:		(CGRect)	frame

Reimplemented from SkiaContext.

Definition at line 75 of file SkiaMetalContext.mm.

                                  :(SkiaViewController*)vc withFrame:(CGRect)frame {
    SkiaMtkView* skiaView = [[SkiaMtkView alloc] initWithFrame:frame
                                                 device:[self metalDevice]
                                                 queue:[self metalQueue]
                                                 grDevice:fDContext.get()];
    [skiaView setPreferredFramesPerSecond:30];
    [skiaView setController:vc];
    return skiaView;
}

Property Documentation

metalDevice

- (id<MTLDevice>) metalDevice

readwriteatomicstrong

Definition at line 74 of file SkiaMetalContext.mm.

metalQueue

- (id<MTLCommandQueue>) metalQueue

readwriteatomicstrong

Definition at line 75 of file SkiaMetalContext.mm.

---

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

• third_party/skia/tools/skottie_ios_app/SkiaMetalContext.mm