Module: Mesa Branch: master Commit: bbf84cca572584f05927efca89ea29fa13abccb8 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=bbf84cca572584f05927efca89ea29fa13abccb8
Author: Michal Krol <[email protected]> Date: Tue Mar 10 10:06:19 2009 +0100 tgsi: Note that LOG and EXP are approximations. --- .../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 b36091f..f0e6aee 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)))) _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
