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authorEric Anholt <[email protected]>2017-01-05 15:37:14 -0800
committerEric Anholt <[email protected]>2017-01-05 17:19:54 -0800
commit69da8c32c78cf67a55f32c71932d89b01154d49c (patch)
tree74dd4234fa968aac39d79fa2b78aa4bb6d59f32e /Makefile.am
parent3a3a0d2d6cf37ff9d6e7f8ec9a6a78b24a353e08 (diff)
vc4: Rewrite T image handling based on calling the LT handler.
The T images are composed of effectively swizzled-around blocks of LT (4x4 utile) images, so we can reduce the t_utile_address() calls by 16x by calling into the simpler LT loop. This also adds support for calling down with non-utile-aligned coordinates, which will be part of lifting the utile alignment requirement on our callers and avoiding the RMW on non-utile-aligned stores. Improves 1024x1024 TexSubImage by 2.55014% +/- 1.18584% (n=46) Improves 1024x1024 GetTexImage by 2.242% +/- 0.880954% (n=32)
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