Module color_grade 

Color grading pass — full CPU/GPU color pipeline.

Implements a professional-grade color grading system including:

• Per-channel curves (lift/gamma/gain)
• Saturation, contrast, brightness, hue rotation
• Split toning (shadows/highlights)
• Color look-up tables (3D LUT, 17³ = 4913 entries)
• Cinematic film looks (ACES, Kodak, Fuji, Noir, etc.)
• Vignette with user-controlled shape
• Animated grade transitions via keyframes
• Color grading presets for common game states

Structs

AnimatedColorGrade

Animated color grader — holds a sequence of keyframes and evaluates smoothly.

ColorGradeKeyframe

An animated keyframe for a color grade transition.

ColorGradeParams

Full color grading parameters for one frame.

ColorLut

3D color look-up table (17³ entries = 4913 triplets).

Enums

FilmLook

Cinematic film simulation presets.

Constants

COLOR_GRADE_FRAG

GLSL fragment shader implementing the color grade pass.