Second Life viewer sources 1.19.1.0

1 files changed, 16 insertions, 0 deletions

diff --git a/linden/indra/llmath/llmath.h b/linden/indra/llmath/llmath.h
index affdbf1..d3c0d86 100644
--- a/linden/indra/llmath/llmath.h
+++ b/linden/indra/llmath/llmath.h
@@ -440,4 +440,20 @@ inline F32 llsimple_angle(F32 angle)
         return angle;
 }
 
+//calculate the nearesr power of two number for val, bounded by max_power_two
+inline U32 get_nearest_power_two(U32 val, U32 max_power_two)
+{
+        if(!max_power_two)
+        {
+                max_power_two = 1 << 31 ;
+        }
+        if(max_power_two & (max_power_two - 1))
+        {
+                return 0 ;
+        }
+
+        for(; val < max_power_two ; max_power_two >>= 1) ;
+        
+        return max_power_two ;
+}
 #endif