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gpuとiOSに関するWatsonのブックマーク (3)
-
Watson 2015/10/09
- ios
- Metal
リンク -
Advanced Imaging on iOS
Want to know the untold secrets of imaging on iOS? This talks goes through performance considerations about a number of imaging APIs on iOS, including some examples of how we integrated them in our own apps. Image loading, processing, and display will be analysed and discussed to find best APIs for particular use cases.Read less
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GPUアクセラレーションとposition: relativeによるレイヤー生成について
またアニメーション... ボタンなどのUIにGPUアクセラレーションが効いたアニメーションをつけたとき、iOSにおいてはiPhone4か4SのWebViewあたり、Androidにおいては….まぁ機種依存的(げんなり)に、アニメーションの立ち上がりが遅いことがあります。 その辺を調査していたところ、position: relativeの指定による、意図しないレイヤー生成＆GPUアクセラレーション巻き込みによって、何かしら合成レイヤー周りでオーバーヘッドが発生してしまっているんではないかな、という憶測に行き着いた次第。今回はその辺りを見ていきます。 GPUアクセラレーションが効いたアニメーションは、CSS Animations、CSS Transitionsのほか、特殊なプロパティ（transform3d: scale(1,1)とか）で強制的にGPUアクセラレーションを効かせたCanvasア
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