January 2012
Intermediate to advanced
282 pages
7h 4m
English
Content preview from Pro Android Apps Performance OptimizationBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Native RenderScript APIs
Your RenderScript code has access to a limited set of APIs as it cannot simply call APIs from the NDK or C library. The RenderScript APIs are defined in six header files, located in the SDK's platform/android-xx/renderscript/include (where xx is the API level, for example, 13):
- rs_types.rsh
- rs_core.rsh
- rs_cl.rsh
- rs_math.rsh
- rs_graphics.rsh
- rs_time.rsh
In Ice Cream Sandwich, the RenderScript APIs are defined in 12 header files. In addition to the six header files above, the following six files were added:
- rs_allocation.rsh
- rs_atomic.rsh
- rs_debug.rsh
- rs_matrix.rsh
- rs_object.rsh
- rs_quaternion.rsh
Again, as online documentation for RenderScript is currently quite scant, it is recommended you review these files. One of the ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.