MetalSnapshotTaker
This package contains MetalSnapshotTaker
class that allows taking snapshots of arbitrary sizes from an MTKView
subclass with minimal alterations in it’s code.
Usable in SwiftUI context and outputs an image in one of these formats: UIImage
, CGImage
, Image
.
How to Use
Create an instance of MetalSnapshotTaker
either in your MTKView
or in UIViewRepresentable
that holds it. Call the update
method (this can be done from Coordinator’s init) passing an instance of MTLDevice, and references to draw
, and mtkView
methods of you MTKView subclass. The last one only needed if you use it to modify rendering, in which case the setCurrentSize
shoud be called from it.
Example
An example Swift Playgrounds app: MetalSnapshotTaker example