Individual skill
shader-programming
Write game shaders from cross-engine fundamentals — the vertex→fragment pipeline, coordinate spaces, UV math, and common 2D/3D effects (tint, UV scroll, dissolve, outline, fresnel rim, vignette) in GLSL with HLSL equivalents. Use when the user mentions shaders, fragment/pixel shader, vertex shader, UV, GLSL, HLSL, or effects like dissolve, outline, or rim light.
skills/disciplines/shader-programming/SKILL.md
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# Shader programming (cross-engine)
Shaders are small programs that run **per vertex** and **per pixel** on the GPU.
The concepts — the pipeline, coordinate spaces, UVs, and how common effects are
built — port across engines; only the language dialect and built-in variable
names change. This skill teaches those portable fundamentals in GLSL with HLSL
equivalents; use `godot-shaders` (or Unity/Unreal material docs) for the exact
engine syntax and built-ins.
## When to use
- Use to understand or write vertex/fragment shaders and to reason about UVs,
coordinate spaces, and the GPU pipeline.
- Use to build common effects: tint/recolor, scrolling textures, dissolve,