OSG结合GLSL，在一个立方体上贴纹理后，对其进行颜色校正，更改为已存在的查找表的颜色值，GLSL可以对纹理颜色值进行更改-OSG integration GLSL, posted in a cube texture is carried out after color correction, change the existing look-up table of color values, GLSL texture color values can be changed