[HOpenGL] How to send matrices to GLSL uniform variables

[Yusuke Kajimoto]

> In general, if you can't find it in HOpenGL, look at OpenGLRaw: http://hackage.haskell.org/package/OpenGLRaw

Thank you for your reply.
I achieved my aim using OpenGLRaw just now!

But as there are no methods to access UniformLocation, AttribLocation, VertexShader, FragmentShader and Program type internals, I rewrote almost all of code around GLSL with OpenGLRaw...