diff options
| author | Michal Krol <[email protected]> | 2009-03-10 10:06:19 +0100 |
|---|---|---|
| committer | Michal Krol <[email protected]> | 2009-03-10 10:27:15 +0100 |
| commit | bbf84cca572584f05927efca89ea29fa13abccb8 (patch) | |
| tree | 22118d6658fb4419e7a4d7161f306471ba1bc117 /src/gallium | |
| parent | 5d0f69e33d6ed7f47a4d25816c47bc3fa27356e6 (diff) | |
tgsi: Note that LOG and EXP are approximations.
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt index b36091fad34..f0e6aee4ca7 100644 --- a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt +++ b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt @@ -48,7 +48,7 @@ TGSI Instruction Specification dst.w = 1.0 / sqrt(abs(src.x)) -1.1.6 EXP - Exponential Base 2 +1.1.6 EXP - Approximate Exponential Base 2 dst.x = pow(2.0, floor(src.x)) dst.y = src.x - floor(src.x) @@ -56,7 +56,7 @@ TGSI Instruction Specification dst.w = 1.0 -1.1.7 LOG - Logarithm Base 2 +1.1.7 LOG - Approximate Logarithm Base 2 dst.x = floor(lg2(abs(src.x))) dst.y = abs(src.x) / pow(2.0, floor(lg2(abs(src.x)))) |