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(Hola.)

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Story time.

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Josh goes to WWDC

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Cool story bro.

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Josh Abernathy @joshaber

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Everything You wanted to know about NEVER Core Animation

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Docs

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Docs Headers

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Docs Headers

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History.

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HOW DO THEY WORK? Window Managers

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Stacking Window Manager

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Draw window A to buffer

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Draw window A to buffer ...

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Draw window A to buffer ... Draw window N to buffer

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Draw window A to buffer ... Swap buffer to screen Draw window N to buffer

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aka

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aka

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jk, guys

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Draw dirty rect to buffer

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Draw dirty rect to buffer Swap buffer to screen

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Compositing Window Manager

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Quartz Compositor

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Core Animation.

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...not just animation

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Compositing Window Manager

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Compositing Window Manager ...in your window

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aka

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aka

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Buffers, How do they work?

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Buffers are OpenGL textures

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Live demo!

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Buffers are OpenGL textures

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Instruments

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CA_COLOR_OPAQUE Instruments

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CA_COLOR_OPAQUE OpenGL Profiler Instruments

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Minimize

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Minimize Minimize Minimize

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Minimize re-draw Minimize Minimize

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Minimize re-draw Minimize Minimize blending

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Minimize re-draw Minimize Minimize blending hierarchy

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Using Core Animation.

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Super nice! OMG KILL ME NOW

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Subpixel anti-aliased Standard anti-aliasing

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Super nice! OMG KILL ME NOW

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Super nice! Still super nice!

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TwUI Pronounced: two- eeeeeeeeeeeeeeeeeeeeee eeeeeeeeeeeeeeeeeeeeee eeeeeeeeeeeeeeeeeeeeee eeeeeeeeeeeeee e

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fram ew ork

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TwUI More Animation github.com/twitter/twui github.com/joshaber/MoreAnimation Chameleon github.com/BigZaphod/Chameleon

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The End.