Editing shaders
Kivy, of course, permits us to work with shaders. The shaders calculate rendering effects with the help of the GPU. In this recipe, we will use a predefined shader that we will load from a glsl file, which is the common extension of the OpenGL Shading Language (GLSL).
Getting ready
We are going to need a glsl file to work with in this recipe; there exist thousands free on the Web.
Note
A nice place to look is the site http://www.iquilezles.org/apps/shadertoy/index2.html where you could find your favorite.
Also, you should be familiar with some concepts about shaders, so you can start reading the Wikipedia article at http://en.wikipedia.org/wiki/OpenGL_Shading_Language.
How to do it…
In this recipe, we will use the KV, Python, and glsl ...
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