View source for LibSR:Proof of concept

There's an old proof-of-concept implementation written in C++, it supports depth tests, vertex and fragment shaders, and there's limited work on texture objects, oh and renderbuffers, so it is double-buffered. 
I often show the following screenshots:
{| class="wikitable" border="1"
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| style="padding:1.5em;" | [[File:LibSR POC 1.png|600px]]
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! Example showing a [[Fragment shader]] which renders a red border around quad
patches where the light is below a certain intensity. 
|}
{| class="wikitable" border="1"
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| style="padding:1.5em;" | [[File:LibSR POC 2.png|600px]]
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! The corresponding [[Vertex shader]] showing how [[Uniform variables]] and
[[Varying variables]] are bound to shaders.
|}