From 61bfb22f27f5216f989c023a5e39fad7e356d2d6 Mon Sep 17 00:00:00 2001
From: Piotr Dziwinski <piotrdz@gmail.com>
Date: Fri, 3 Aug 2012 23:23:13 +0200
Subject: Basic font rendering

- added basic font rendering
- minor refactoring & fixes
---
 src/math/func.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/math/func.h')

diff --git a/src/math/func.h b/src/math/func.h
index 2127d1a..e97d990 100644
--- a/src/math/func.h
+++ b/src/math/func.h
@@ -127,6 +127,14 @@ inline float Rand()
     return static_cast<float>(rand()) / static_cast<float>(RAND_MAX);
 }
 
+//! Returns the next nearest power of two to \a x
+inline int NextPowerOfTwo(int x)
+{
+  double logbase2 = log(static_cast<float>(x)) / Math::LOG_2;
+  return static_cast<int>(pow(2, ceil(logbase2)) + 0.5);
+}
+
+
 //! Returns a normalized angle, that is in other words between 0 and 2 * PI
 inline float NormAngle(float angle)
 {
-- 
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