URL: http://jmonkeyengine.org/groups/contribution-depot-jme3/forum/topic/posterizationfilter-shader-fix-for-mac/

PosterizationFilter compilation error fix for Mac

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7058 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core-data/Common/MatDefs/Post/Posterization.frag

@@ -9,9 +9,9 @@ void main() {
     vec4 texVal = texture2D(m_Texture, texCoord);
  
     texVal = pow(texVal, vec4(m_Gamma));
-    texVal = texVal * m_NumColors;
+    texVal = texVal * vec4(m_NumColors);
     texVal = floor(texVal);
-    texVal = texVal / m_NumColors;
+    texVal = texVal / vec4(m_NumColors);
     texVal = pow(texVal, vec4(1.0/m_Gamma));
  
     gl_FragColor = mix(texture2D(m_Texture, texCoord), texVal, m_Strength);