셰이더에서 사용되는 어쎔명령들

http://en.wikipedia.org/wiki/ARB_assembly_language

ARB Assembly Instructions [edit]

ARB assembly supports the following instructions:

• ABS - absolute value
• ADD - add
• ARL - address register load
• DP3 - 3-component dot product
• DP4 - 4-component dot product
• DPH - homogeneous dot product
• DST - distance vector
• EX2 - exponential base 2
• EXP - exponential base 2 (approximate)
• FLR - floor
• FRC - fraction
• LG2 - logarithm base 2
• LIT - compute light coefficients
• LOG - logarithm base 2 (approximate)
• MAD - multiply and add
• MAX - maximum
• MIN - minimum
• MOV - move
• MUL - multiply
• POW - exponentiate
• RCP - reciprocal
• RSQ - reciprocal square root
• SGE - set on greater than or equal
• SLT - set on less than
• SUB - subtract
• SWZ - extended swizzle
• TEX - Texture lookup
• XPD - cross product

This is only a partial list of assembly instructions ; a reference can be found here : Shader Assembly Language (ARB/NV) Quick Reference Guide for OpenGL.