BradLarson / GPUImage

An open source iOS framework for GPU-based image and video processing
http://www.sunsetlakesoftware.com/2012/02/12/introducing-gpuimage-framework
BSD 3-Clause "New" or "Revised" License
20.2k stars 4.61k forks source link

Why GPUImageView's textureCoordinates is vertical flip when no rotation? #2639

Open falcon11 opened 4 years ago

falcon11 commented 4 years ago

Vertices:

image

No rotation textureCoordinates

image