metal-shader-expert

Develop and optimize Metal Shading Language shaders for Apple GPUs.

181|30|Updated Nov 16, 2025
One-click install
npx skills add https://github.com/curiositech/some_claude_skills --skill metal-shader-expert-curiositech
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: metal-shader-expert
Source: https://github.com/curiositech/some_claude_skills/tree/main/.claude/skills/metal-shader-expert
Command: npx skills add https://github.com/curiositech/some_claude_skills --skill metal-shader-expert-curiositech

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps developers create, optimize, and debug Metal shaders for Apple's GPU architecture, enabling high-performance graphics and visual effects.

Core Features & Use Cases

  • MSL Development: Write and understand Metal Shading Language for vertex, fragment, and compute shaders.
  • GPU Optimization: Leverage expertise in Tile-Based Deferred Rendering (TBDR) for efficient performance on Apple Silicon.
  • PBR & Ray Tracing: Implement physically based rendering and ray tracing techniques.
  • Debugging: Utilize advanced GPU profiling and debugging tools.
  • Use Case: Optimize a complex rendering pipeline for a new iOS game by refining fragment shaders and understanding TBDR memory access patterns.

Quick Start

Help me write a Metal shader that implements a basic PBR material with a Cook-Torrance BRDF.

Frequently Asked Questions about metal-shader-expert

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I optimize Metal shaders for Apple's Tile-Based Deferred Rendering architecture?

To optimize Metal shaders for Tile-Based Deferred Rendering (TBDR), you must tailor memory access patterns and fragment shader logic to leverage Apple Silicon's tile memory. This minimizes bandwidth by keeping pixel data on-chip, significantly improving rendering pipeline performance.

How do I write a Metal shader for physically based rendering using Cook-Torrance BRDF?

Writing a Metal shader for physically based rendering (PBR) with a Cook-Torrance BRDF involves implementing the specular and diffuse energy conservation equations in Metal Shading Language (MSL). This provides realistic real-time material lighting for iOS and macOS applications.

Can I use Metal compute shaders for ray tracing on Apple GPUs?

Yes, you can use Metal compute shaders to implement ray tracing on Apple GPUs. By dispatching compute kernels alongside your rendering pipeline, you can calculate complex light bounces and intersections for advanced visual effects in visionOS and macOS.

What is the best way to debug and profile GPU performance in Metal?

The best way to debug and profile GPU performance in Metal is by utilizing advanced GPU profiling tools to analyze shader execution and memory access patterns. This identifies pipeline bottlenecks and verifies that your Metal Shading Language (MSL) code runs efficiently.

Does this Metal shader expertise apply across iOS, macOS, and visionOS applications?

Yes, this Metal shader expertise applies across iOS, macOS, and visionOS applications. The optimization techniques for Apple Silicon GPUs and Tile-Based Deferred Rendering (TBDR) are universally applicable to the entire Apple ecosystem.

Why do my Metal fragment shaders cause high memory bandwidth on Apple Silicon?

Metal fragment shaders cause high memory bandwidth on Apple Silicon when they bypass Tile-Based Deferred Rendering (TBDR) memory access patterns. Optimizing your Metal Shading Language (MSL) to utilize on-chip tile memory resolves these performance bottlenecks.