Neil Clayton scornflake

scornflake / CALayerToMetalRenderer.swift

Created October 26, 2023 03:51

Rendering a CALayer tree to a .private/.tracked MTLTexture

	import SWBShared2

	import Metal
	import AppKit
	import CoreImage
	import CoreGraphics
	import QuartzCore

	@globalActor
	public struct CALayerToMetalRendererActor {

scornflake / MetalTextureHeap.swift

Created October 23, 2023 18:28

Provide a set of MTLTextures from a heap

	//
	// Created by Neil Clayton on 19/10/23.
	// Copyright (c) 2023 Neil Clayton. All rights reserved.
	//

	import Foundation
	import MetalKit

	public class MetalTextureHeap {
	public private(set) var currentAllocation = 0

scornflake / CALayerToMetalRenderer.swift

Created October 23, 2023 18:27

Render a layer tree to a MTLTexture (using a MTLHeap)

	import SWBShared2

	import Metal
	import AppKit
	import CoreImage
	import CoreGraphics
	import QuartzCore

	@globalActor
	public struct CALayerToMetalRendererActor {

scornflake / CALayerToMetalRenderer.swift

Created October 19, 2023 02:18

CALayer -> MTLTexture renderer (via CARemderer)

	import SWBShared2

	import Metal
	import AppKit
	import CoreImage
	import CoreGraphics
	import QuartzCore

	@globalActor
	public struct CALayerToMetalRendererActor {

scornflake / SampleCALayerMetalRender.swift

Created March 28, 2023 06:32

Sample CA -> metal texture

	import Metal
	import MetalKit

	// Create a MTLTexture for rendering
	let textureDescriptor = MTLTextureDescriptor()
	textureDescriptor.pixelFormat = .bgra8Unorm
	textureDescriptor.width = Int(layer.bounds.width)
	textureDescriptor.height = Int(layer.bounds.height)
	let texture = device.makeTexture(descriptor: textureDescriptor)!