Here is a selection of some recent Shadertoy demos ported to GLSL Hacker. All demos are available in GLSL Hacker code sample pack in the GLSL_ShaderToy/ folder.
– angels
On the Macbook Pro / Mac OS X 10.8.3, artifacts are visible with the NVIDIA GeForce GT 650 while image is perfect with Intel HD Graphics 4000:
– insect
– audrey