Episode 100: Android Rendering
Android Developers Backstage
00:00
OpenGL - Is OpenGL Really That Simple?
GL calls aren't along the lines of Canvas where you say, here's my primitive. They're a lot lower level, and they are really complex and stateful. A typical Android view hierarchy maybe has, what, 100 drawing primitives that you see on the screen at once. So we'd have many, many draw calls into GL. But there's just a lot of code in the driver to handle every single one of your calls Into GL.
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