Skills shader-programming-glsl

📦

shader-programming-glsl

Name: shader-programming-glsl
Author: sickn33

Content revision r2 Safe ⚙️ External commands

Build Efficient GLSL Shaders

Writing correct GPU shaders requires specialized syntax, coordinate math, and performance knowledge. This skill guides GLSL structure, visual effects, and practical optimization.

Supports: Claude Codex Code(CC)

🥉 78 Bronze

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Agent request

Review the Skillstore skill "shader-programming-glsl" from https://skillstore.io/skills/sickn33-shader-programming-glsl.md and its manifest at https://skillstore.io/api/skills/sickn33-shader-programming-glsl/manifest. Verify the artifact. You may proceed after verification, subject to the environment's own policy.

Your Agent should still show its plan and request any confirmation required by the security policy.

Agent-readable resources

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Markdown detail GET /skills/sickn33-shader-programming-glsl.md Signed manifest GET /api/skills/sickn33-shader-programming-glsl/manifest Signed lockfile GET /api/skills/sickn33-shader-programming-glsl/lockfile

Test it

Using "shader-programming-glsl". Explain why a fragment shader receives interpolated UV coordinates.

Expected outcome:

The vertex stage supplies UV values for each vertex. The rasterizer interpolates them across the triangle before the fragment stage uses them.

Using "shader-programming-glsl". Suggest a debugging plan for a shader that renders black.

Expected outcome:

Replace the final color with a constant visible color.
Verify the vertex position has a valid homogeneous component.
Confirm uniforms are assigned and UV coordinates stay within the expected range.

Using "shader-programming-glsl". How can I reduce expensive shader branching?

Expected outcome:

Use interpolation and threshold functions where they preserve behavior. Move constant calculations to the CPU and keep loop bounds predictable.

Security Audit

Safe

v5 • 8/26/2026 Open versioned report

All 25 static findings are false positives caused by Markdown inline code, fenced GLSL examples, and shader function declarations. The skill contains educational shader guidance with no shell execution, system reconnaissance, prompt injection, or malicious intent.

Files scanned

128

Lines analyzed

Review items

False positives ignored

Risk Factors

⚙️ External commands (19)

SKILL.md:27 SKILL.md:28 SKILL.md:30-39 SKILL.md:39-41 SKILL.md:41-48 SKILL.md:48-52 SKILL.md:52-53 SKILL.md:53-55 SKILL.md:55-70 SKILL.md:70-74 SKILL.md:74-75 SKILL.md:75 SKILL.md:76 SKILL.md:82-109 SKILL.md:109-113 SKILL.md:113-114 SKILL.md:114 SKILL.md:115-116 SKILL.md:116-122

No confirmed security findings were detected by the latest completed static and semantic audit. This does not prove the skill has no side effects.

Audited by: codex View Audit History →

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Academic citations (APA · BibTeX · CFF)

APA citation

sickn33. (2026). shader-programming-glsl security audit report (audit version 5) [Author version unspecified]. Skillstore. https://skillstore.io/skills/sickn33-shader-programming-glsl/audits/5

BibTeX citation

@techreport{sickn33-sickn33-shader-programming-glsl-2026,
  author = {sickn33},
  title = {shader-programming-glsl security audit report (audit version 5)},
  institution = {Skillstore},
  year = {2026},
  number = {5},
  url = {https://skillstore.io/skills/sickn33-shader-programming-glsl/audits/5},
  note = {Author version unspecified}
}

CITATION.cff

cff-version: 1.2.0
message: "If you use this Skill, cite its author and this versioned security audit report."
title: "shader-programming-glsl security audit report (audit version 5)"
version: "unspecified"
type: report
authors:
  - name: "sickn33"
date-released: "2026-08-26"
url: "https://skillstore.io/skills/sickn33-shader-programming-glsl/audits/5"
identifiers:
  - type: other
    value: "skillstore:sickn33-shader-programming-glsl:audit:5"
    description: "Skillstore immutable audit report identifier"

Skillstore Score

Why this score Evidence Confidence: High

Architecture

Maintainability

Content

Community

Spec Compliance

What You Can Build

Create WebGL Effects

Developers can design vertex and fragment logic for custom browser visuals.

Optimize Game Shaders

Engine programmers can review shader math and reduce expensive branching or repeated calculations.

Learn GPU Programming

Students can understand uniforms, varyings, vector swizzling, and basic raymarching.

Try These Prompts

Explain Shader Stages

Explain how vertex and fragment shaders work together. Include the purpose of positions, uniforms, varyings, and final pixel color.

Design a Fragment Effect

Design a GLSL fragment effect for [visual goal]. Describe required uniforms, coordinate handling, color calculation, and expected output.

Diagnose a Black Screen

Review this shader description: [details]. Identify likely causes of a black screen and provide a structured debugging sequence.

Optimize Raymarching

Analyze this raymarching approach: [details]. Recommend changes for step limits, distance thresholds, normals, branching, and visual quality.

Best Practices

State the target GLSL version and rendering environment before requesting shader guidance.
Provide expected visuals, inputs, coordinate ranges, and performance constraints.
Compile and inspect each shader stage separately before combining complex effects.

Avoid

Do not assume examples work unchanged across WebGL, desktop OpenGL, and every game engine.
Do not optimize shader instructions before confirming visual correctness and measuring performance.
Do not omit host-side uniform values when asking for debugging help.

Frequently Asked Questions

What shader stages does this skill cover?

It focuses on vertex and fragment shaders, including their data flow and output responsibilities.

Can it help with Three.js shaders?

Yes. The GLSL concepts apply, but Three.js material setup and injected variables require environment-specific validation.

Does it support modern GLSL versions?

The concepts remain useful, but examples using attribute, varying, or gl_FragColor may need modern syntax changes.

Can it debug a black shader output?

It can suggest checks for positions, uniforms, UV ranges, and final color values. It cannot inspect live GPU state.

Does it generate complete production shaders?

It provides guidance and examples. Production shaders still require integration, compilation, visual testing, and performance measurement.

Can it improve shader performance?

It recommends reducing branches, moving constant work to the CPU, and using vector operations. Actual gains require profiling.

Developer Details

Author

sickn33

License

MIT

Skillstore revision

Version notice

The author did not declare a version.

Repository

https://github.com/sickn33/antigravity-awesome-skills/tree/main/skills/shader-programming-glsl

Ref

4804b3d672af16b8afca785bbb6c5d7c7400a78f

Maintenance freshness

8/26/2026

Usage

14 downloads · 139 views

File structure

📄 SKILL.md