This is a tool for capturing GLSL shaders to video. It has been tested on Linux (Ubuntu) and Windows (7 and 8).
To build it you will require two libaries:
- libvpx - http://www.webmproject.org/code/
- glslang - https://www.khronos.org/opengles/sdk/tools/Reference-Compiler/
You can download a pre-built Windows binary from: http://www.movss.com/~rich/shadercap/