TestCompositor Class Reference

Inheritance diagram for TestCompositor:

Instance Methods
(instancetype)	- initWithLayer: [implementation]
(void)	- commitTransaction [implementation]
(void)	- dealloc [implementation]

Protected Attributes
FlutterMetalLayer *	_layer
IOSurfaceRef	_presentedSurface

Detailed Description

A fake compositor that simulates presenting layer surface by increasing and decreasing IOSurface use count.

Definition at line 29 of file FlutterMetalLayerTest.mm.

Method Documentation

commitTransaction

- (void) commitTransaction

implementation

Increment use count of currently presented surface and decrement use count of previously presented surface.

Definition at line 31 of file FlutterMetalLayerTest.mm.

                          {
  IOSurfaceRef surface = (__bridge IOSurfaceRef)self->_layer.contents;
  if (self->_presentedSurface) {
    IOSurfaceDecrementUseCount(self->_presentedSurface);
  }
  IOSurfaceIncrementUseCount(surface);
  self->_presentedSurface = surface;
}

dealloc

- (void) dealloc

implementation

Definition at line 31 of file FlutterMetalLayerTest.mm.

                {
  if (self->_presentedSurface) {
    IOSurfaceDecrementUseCount(self->_presentedSurface);
  }
}

initWithLayer:

- (instancetype) initWithLayer: (FlutterMetalLayer*)  layer

implementation

Definition at line 31 of file FlutterMetalLayerTest.mm.

                             :(FlutterMetalLayer*)layer {
  self = [super init];
  if (self) {
    self->_layer = layer;
  }
  return self;
}

Member Data Documentation

_layer

- (FlutterMetalLayer*) _layer

protected

Definition at line 30 of file FlutterMetalLayerTest.mm.

_presentedSurface

- (IOSurfaceRef) _presentedSurface

protected

Definition at line 31 of file FlutterMetalLayerTest.mm.

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

• shell/platform/darwin/ios/framework/Source/FlutterMetalLayerTest.mm