OpenGL Shader on CPU

build

$ gradle build
$ java -jar build/libs/glsl-on-cpu-${VERSION}.jar -h
usage: glsl-on-cpu
 -a,--dump-ast      Dump debugging AST
 -h,--help          Helping info
 -i,--input <arg>   Input file path
 -v,--verbose       Print verbose scope and function information
$ java -jar build/libs/glsl-on-cpu-${VERSION}.jar -i ${PATH_TO_INPUT_FILE} 

demos

title and author	snapshot	reference
\	yes 0, 4, 7, 5, 2, 6, 1, 3,	8_queens.fs 8_queens.c
"Pikachu" by nyri0@shadertoy		pikachu.fs rendering_main.cc
"The Drive Home" by Martijn Steinrucken aka BigWings		drive.fs rendering_main.cc

to-do

• comma expression
• macro
• postfix increment/decrement
• switch
• uniform, texture, etc (rendering pipeline related)
• built-in functions (mix, fract, etc)

additional feature

• in-line structure definition
• extern "C" and demangling