Reimagined Global Illumination Fork Shaders FAQ
10 questions players actually ask, answered.
How do I turn on the shader after installing it?
Open your video settings in-game, go to Shaders, and select Reimagined Global Illumination Fork Shaders from the list. The shader will activate immediately and you'll see lighting changes in your world.
Why do caves look too bright or too dark?
Use the Global Illumination Intensity setting to adjust how much light bounces around your world—lower values darken caves while higher values brighten them. Find this in the shader options menu accessible from video settings.
Can I use this shader with other mods?
Yes, this shader works with most mods, but mods that heavily modify lighting or add custom blocks may cause visual conflicts. Test your setup and adjust shader settings if needed.
My FPS dropped a lot after enabling the shader. What can I do?
Lower your graphics profile in shader settings from High to Medium, reduce render distance, or disable bloom effects. Check the performance optimization guide for more detailed tweaks.
Why aren't my torches glowing with colored light?
Make sure colored lighting is enabled in the shader options—it's usually a toggle in the main settings menu. Some blocks may need to be placed or updated for the colored light effect to apply.
Do shadows look weird or too harsh?
Adjust the shadow softness slider in shader settings to smooth out block shadows, or lower shadow intensity if they appear too dark. These settings let you find the balance that looks best for your world.
Will this shader work on my low-end PC?
This shader is optimized for medium and high-end systems; low-end PCs may struggle even with the Medium profile. Try disabling bloom and lowering render distance to improve performance.
How do I disable bloom if it's too bright?
Open shader options from video settings and find the bloom intensity or bloom toggle—set it to zero or off to remove the glow effect around light sources.
Can I use this with Optifine?
This shader is designed to work with shader loaders like Iris; compatibility with Optifine depends on your setup, but using Iris is the recommended approach for best results.
Why do some areas look washed out or oversaturated?
Adjust the color saturation or bloom intensity settings in the shader menu to tone down oversaturation. You can also lower global illumination intensity if light bouncing is making areas too bright.