And unfortunately other shaders do the same thing but with >=/<= which we can't apply this optimization to because of NaNs.
instructions in affected programs: 23309 -> 22938 (-1.59%) --- src/glsl/nir/nir_opt_algebraic.py | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/glsl/nir/nir_opt_algebraic.py b/src/glsl/nir/nir_opt_algebraic.py index a5fe19a..db105d4 100644 --- a/src/glsl/nir/nir_opt_algebraic.py +++ b/src/glsl/nir/nir_opt_algebraic.py @@ -82,6 +82,8 @@ optimizations = [ (('feq', ('fadd', a, b), 0.0), ('feq', a, ('fneg', b))), (('fne', ('fadd', a, b), 0.0), ('fne', a, ('fneg', b))), (('fge', ('fneg', ('fabs', a)), 0.0), ('feq', a, 0.0)), + (('bcsel', ('flt', a, b), a, b), ('fmin', a, b)), + (('bcsel', ('flt', a, b), b, a), ('fmax', a, b)), (('fmin', ('fmax', a, 0.0), 1.0), ('fsat', a)), # Logical and bit operations (('fand', a, 0.0), 0.0), -- 2.0.5 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev