Re: [PyOpenGL-Users] Difficulty with the shaders tutorial

[Nicolas R. <Nic...@in...>]

No need to go for OpenGL 3.0 to use shaders.

Here is code that do what you want (translated from glumpy):

Color are transformed using the alpha channel of the image (see fragment code) and the color lookup table is a 1d texture. Fill it with any color sequence you want.

Nicolas