shader-fundamentals

SKILL.md

GLSL (OpenGL Shading Language) runs on the GPU. Vertex shaders transform geometry; fragment shaders color pixels.

| Vertex Shader | Vertex | Transform positions, pass data to fragment | | Fragment Shader | Pixel | Calculate final color |

| Black screen | glPosition not set, or NaN values | | Uniform not updating | Wrong name or type mismatch | | Texture black | Texture not loaded, wrong UV | | Flickering | Z-fighting, precision issues | | Faceted look | Normals not interpolated |

GLSL 著色器基礎知識 — 頂點和片段著色器、制服、變化、屬性、坐標系、內置變量和數據類型。在編寫自定義著色器、了解圖形管道或調試著色器代碼時使用。所有著色器工作的基礎技能。 來源：bbeierle12/skill-mcp-claude。

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