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| author | Marek Olšák <maraeo@gmail.com> | 2010-08-31 05:38:50 +0200 |
|---|---|---|
| committer | Marek Olšák <maraeo@gmail.com> | 2010-08-31 06:36:52 +0200 |
| commit | 4f189b3bf57a6500953dac49105f160af5fa6468 (patch) | |
| tree | 6e406eb6f33443db25d95b6f7808c19fcaedd97b /src/gallium/README.portability | |
| parent | 2619b1c96feed72444499021d8a870eab1c37e00 (diff) | |
ir_to_mesa: use RSQ+MUL instead of RSQ+RCP for SQRT
sqrt(x) = 1/rsq(x) = x*rsq(x)
This optimization already was in the old GLSL compiler.
Acked on irc by Eric Anholt.
Diffstat (limited to 'src/gallium/README.portability')
0 files changed, 0 insertions, 0 deletions