Month: October 2015

The Metal by Example Book is Now Available!

23 Comments / Book, Meta / February 25, 2020

Metal by Example is now a book! You can buy it here as a DRM-free PDF. Since I started this site, I’ve been wanting to turn Metal by Example into a book. Although the blog format is good for quickly publishing techniques one at a time, a book is necessarily a more cohesive experience. For …

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Metal Performance Shaders in Swift

9 Comments / Image Processing, Metal Performance Shaders / February 25, 2020

What is the Metal Performance Shaders Framework? Announced at WWDC 2015, the Metal Performance Shaders (MPS) framework is a collection of high-performance image filters for iOS 9. Each filter in the library is an efficient black-box implementation of a common image processing task: blur, edge detection, convolution, etc. One useful trait of Apple’s black-box approach …

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