Cargo Features

[dependencies]
rs2glsl = { version = "0.3.4", default-features = false, features = ["GLSL_150", "GLSL_430", "GLSL_440", "GLSL_450"] }
default = GLSL_450

The GLSL_450 feature is set by default whenever rs2glsl is added without default-features = false somewhere in the dependency tree.

GLSL_110 GLSL_120 GLSL_130 GLSL_140 GLSL_150
GLSL_330 GLSL_400 GLSL_410 GLSL_420 GLSL_430
GLSL_440
GLSL_450 default

rs2glsl has 5 features without comments.