Reputation: 41
How to use OpenGL Hue, Brightness, Contrast for image
Upvotes: 0
Views: 1348
Reputation: 474086
There is no built-in ability for OpenGL to handle HSV values. You can use shader logic to convert HSV to RGB internally, or just do it on the CPU for textures and such you pass to it. But there's no functionality to do it; it must be done manually.
Upvotes: 1