MetalPetal

• Update public headers to make them work in both CocoaPods and SwiftPM.

Features

• Add MSAA support for MTIMultilayerCompositingFilter, MTITransformFilter and MTIRenderCommand. #166

Enhancements

• MTITransformFilter now respects its outputPixelFormat #161
• A new default texture loader. Fixed a lot of MTKTextureLoader related problems. #164
• Update public headers to be angle-bracketed instead of double-quoted. #163
• Restrict subclassing for most of the Objective-C classes. #163
• Tweak the Swift interface for MTICVMetalTextureBridging. b8fa1e7c8df07589144b19ad6925a7d2dffb8ea3

• Fix #160

• Fixed an issue that may prevent MTIThreadSafeImageView's drawableSize from being updated. #149
• Error handling improvements. #153 #152
• Cleaned up a loop in MTIRenderPipelineKernel. #151

• Add a workaround that enables SwiftPM support without SE-0271.
• Improve static linkage support for CocoaPods.

• Update podspec to support static linkage (MetalPetal/Static subpod).

  This is a workaround for https://github.com/CocoaPods/CocoaPods/issues/8403

• Support macCatalyst.

Fix an output texture binding problem in MTIComputePipelineKernel.

• Drop iOS 9 Support.
• Improve symbol visibility in Swift.

• Added MTICoreImageKernel.
• Fixed CVPixelBuffer / MTLTexture bridging on macOS. 194cb09a952305101b6dfc62939a85496db37f9d

• Added MTIRoundCornerFilter.
• Added some utilities to work with VideoIO (Swift)
• Forward MTIImageView's contentMode to its internal MTKView. #122
• Added a method to render an image and discards the result. 459cfa770cf18fcf927426d67283d7773aed2741
• Added some convenience methods to MTIAlphaTypeHandlingRule, MTIFunctionDescriptor and MTIImage. (Swift)
• Improve the way how image promises are resolved. Makes it easier to implement -[MTIImagePromise resolveWithContext:error:]. d302fab805e8f11d34fba6e854747f0b67ac47f2

• Add a Swift API to connecting filters. https://github.com/MetalPetal/MetalPetal#connecting-filters-swift
• Report error when a drawable has no color attachment.
• Refactor texture pool to protocol MTITexturePool.
• Add MTIHeapTexturePool which uses MTLHeap for texture allocation and reuse.
• Add some convenience methods for MTIImage. (MTIImage.resize, UIImage.makeMTIImage) (Swift Only) https://github.com/MetalPetal/MetalPetal/blob/master/Frameworks/MetalPetal/MTIImage.swift
• MTIFilter protocol does not inherit from NSObjectProtocol now.
• Add a Swift version of MTIMultilayerCompositingFilter - MultilayerCompositingFilter. https://github.com/MetalPetal/MetalPetal/blob/master/Frameworks/MetalPetal/Filters/MultilayerCompositingFilter.swift

• Add support for render in iOS Simulator.

• Add a thread-safe image view whose image can be set on a background thread (MTIThreadSafeImageView).
• Add a MTIImageViewProtocol to unify the MTIImageView and MTIThreadSafeImageView's interface. (Swift)
• Add an option to choose the CoreVideo/MetalTexture bridge class.
• Add some convenience filter methods to MTIImage.
• Add the ability to create images from MDLTextures.

• Render to texture support. 1ec18c5f58e5e49c264904fbf86f64b6762ab070
• Render to CVPixelBuffer: destinationAlphaType handling improvements. cc50aeab0c7d5668fead6c4ad2ba5d17be1a1170