AppViewDelegate Class Reference

Inheritance diagram for AppViewDelegate:

Instance Methods
(void)	- drawInMTKView: [implementation]
(void)	- mtkView:drawableSizeWillChange: [implementation]

Properties
GrDirectContext *	grContext
id< MTLCommandQueue >	metalQueue

Detailed Description

Definition at line 47 of file main.mm.

Method Documentation

drawInMTKView:

- (void) drawInMTKView: (nonnull MTKView *)  view

implementation

Definition at line 49 of file main.mm.

                     :(nonnull MTKView *)view {
    if (![self grContext] || !view) {
        return;
    }
    // Do as much as possible before creating surface.
    config_paint(&fPaint);
    float rotation = (float)(180 * 1e-9 * SkTime::GetNSecs());
 
    // Create surface:
    sk_sp<SkSurface> surface = SkMtkViewToSurface(view, [self grContext]);
    if (!surface) {
        NSLog(@"error: no sksurface");
        return;
    }
 
    draw_example(surface.get(), fPaint, rotation);
 
    // Must flush *and* present for this to work!
    skgpu::ganesh::Flush(surface);
    surface = nullptr;
 
    id<MTLCommandBuffer> commandBuffer = [[self metalQueue] commandBuffer];
    [commandBuffer presentDrawable:[view currentDrawable]];
    [commandBuffer commit];
}

mtkView:drawableSizeWillChange:

- (void) mtkView: (nonnull MTKView *)  view drawableSizeWillChange: (CGSize)  size

implementation

Definition at line 49 of file main.mm.

               :(nonnull MTKView *)view drawableSizeWillChange:(CGSize)size {
    // change anything on size change?
}

Property Documentation

grContext

- (GrDirectContext*) grContext

readwritenonatomicassign

Definition at line 48 of file main.mm.

metalQueue

- (id<MTLCommandQueue>) metalQueue

readwritenonatomicassign

Definition at line 49 of file main.mm.

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

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