Make tape an RGB texture
First draft of eval shader
Shader now compiles
Switch to a 1D signed int texture for tape
Fix duplicate name in parser
Add stand-alone executable to test render
Working on basic render pipeline
Working on shader compilation
Change names and add xyz texture
xyz is a 1D texture
Beginning to test render command
Fetching opcode works.
Clean print statements
Reading xyz texture now works
Store atlas size
Evaluation now works (at least for this example)