init(screenSize:layer:label:)
A convenience initializer that creates a rate map descriptor with a single rate layer.
Declaration
convenience init(screenSize: MTLSize, layer: MTLRasterizationRateLayerDescriptor, label: String? = nil)Parameters
- screenSize:
The logical size, in pixels, of the viewport coordinate system.
- layer:
A descriptor for the rate layer to create.
- label:
A string that identifies the resulting rate map.
Return Value
A descriptor object whose screenSize and label properties are set to the provided values. Layer 0 in the rate map is set to the provided layer descriptor.