forge-shader-noise

You can add procedural noise to SDL GPU fragment shaders by including a dedicated noise library, wiring a NoiseUniforms block, and using the provided sample code to generate real-time per-pixel textures.

Domain warping is a GPU technique that deforms noise sampling coordinates to produce complex organic patterns like marble or water. It distorts the sampling space itself to achieve rich procedural surface variation.

Yes, you can use Perlin noise and fBm for terrain generation in SDL. This Skill provides GPU-friendly implementations of Perlin 2D gradient noise for smooth coherent terrain and fBm for layering multiple noise octaves to add rich detail.

The best way to reduce color banding when applying noise effects in shaders is to use a dithering helper. This Skill includes a dithering utility designed to minimize banding artifacts when rendering procedural noise-based textures.

This noise library requires no external dependencies to work with SDL GPU. It provides self-contained GPU implementations for hash, value noise, Perlin noise, fBm, and domain warping that integrate directly into existing fragment shaders.

You need a NoiseUniforms block to pass configuration parameters to the GPU fragment shader. Wiring this uniform block enables the per-pixel noise functions to generate dynamic, real-time procedural textures and surface variations.