UIImage created from MTKView results in color/opacity differences

Question

When I capture the contents of an MTKView into a UIImage, the resulting image looks qualitatively different, as shown below:

The code I use to generate the UIIm

Answer 1

Your CGColorSpace is .sRGB but your renderPipelineDescriptor's pixelFormat is .bgra8Unorm. Try changing that line to:

renderPipelineDescriptor.colorAttachments[0].pixelFormat = MTLPixelFormat.bgra8Unorm_srgb