Graphics, Gaming, and VR forum Dependent texture reads performance

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Dependent texture reads performance

jgp over 2 years ago

Hi,

Are dependent texture reads still an issue on ARM hardware? (I'm speaking about low-end OpenGL ES 3.0 HW).

Cheers.

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Peter Harris over 2 years ago +1 verified

For Mali there was never any specific issue with dependent texture reads, other than the the usual cost of managing cache misses on the lookup path (which is not dependent-read specific, the same problem...

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0 jgp over 2 years ago in reply to Peter Harris

Cool thanks! This was a common performance optimization on PowerVR OpenGL 2.0 HS (old iPhones too). So was wondering how that did apply here.
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0 jgp over 2 years ago in reply to Peter Harris

Cool thanks! This was a common performance optimization on PowerVR OpenGL 2.0 HS (old iPhones too). So was wondering how that did apply here.
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