AI GLSL Code Explainer

Explain GLSL shader code in a detailed, clear, and beginner-friendly way. This tool breaks your shader down step by step, clarifies what each key line or block does, and highlights important rendering concepts, assumptions, and edge cases. Completely free to use.

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Frequently Asked Questions

Q1: What does AI GLSL Code Explainer do?

AI GLSL Code Explainer breaks down GLSL shader code (vertex/fragment/compute) into a step-by-step, beginner-friendly explanation, including what key lines and blocks do, common pitfalls, and assumptions about inputs. It is completely free to use.

Q2: Is AI GLSL Code Explainer completely free to use?

Yes. AI GLSL Code Explainer is completely free to use.

Q3: Can AI GLSL Code Explainer explain both vertex and fragment shaders?

Yes. AI GLSL Code Explainer can explain vertex and fragment shaders, and it can also handle compute shaders when you paste the code. It is completely free to use.

Q4: Will AI GLSL Code Explainer tell me what each uniform, attribute, and varying (in/out) means?

Yes. AI GLSL Code Explainer identifies uniforms, attributes, and in/out variables and explains their roles, expected data, and how they flow through the pipeline. It is completely free to use.

Q5: Can AI GLSL Code Explainer help me understand lighting math like normals, dot products, and BRDFs?

Yes. AI GLSL Code Explainer explains the shader math (normals, dot products, reflection vectors, attenuation, and common BRDF patterns) in plain language and relates it back to the code. It is completely free to use.

Q6: Does AI GLSL Code Explainer explain texture sampling, UVs, and color space (sRGB vs linear)?

Yes. AI GLSL Code Explainer can explain UV usage, texture sampling functions, filtering, mipmapping, and common color space issues like sRGB vs linear. It is completely free to use.

Q7: Can AI GLSL Code Explainer point out GLSL pitfalls like precision qualifiers and undefined behavior?

Yes. AI GLSL Code Explainer highlights common pitfalls such as precision qualifiers (lowp/mediump/highp), NaNs, out-of-range values, derivative limitations, and platform-specific quirks. It is completely free to use.

Q8: Does AI GLSL Code Explainer work for OpenGL, OpenGL ES, and WebGL shader code?

Yes. AI GLSL Code Explainer can explain GLSL variants used in OpenGL, OpenGL ES, and WebGL, and it can note version-specific differences when visible in the code. It is completely free to use.

Q9: Can I paste a ShaderToy-style fragment shader into AI GLSL Code Explainer?

Yes. You can paste ShaderToy-style GLSL into AI GLSL Code Explainer, and it will explain typical inputs like time, resolution, and coordinate conventions when they appear. It is completely free to use.

Q10: How do I get the best results from AI GLSL Code Explainer?

Paste the full shader, include any relevant context (GLSL version, target platform, what uniforms/textures represent, and whether it is vertex/fragment/compute), and mention the rendering goal. AI GLSL Code Explainer is completely free to use.