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WGSL Shader Studio - Frontend Features & Modern UI Design

Overview

WGSL Shader Studio is a professional WGPU shader development environment with ISF support and real-time audio/MIDI integration, featuring a modern UI design inspired by industry-standard tools like Blender, Nuke, and Shadered.

🎨 Modern UI Design Philosophy

Core Layout: Three-Panel Workspace

The UI follows a standard three-panel, dark-theme layout optimized for deep focus and high visibility of graphical output:

Center Stage (The Focus)

  • Tabbed Main Viewport: Central area with tabs switching between Live Preview and Node-based Editor
  • High-Contrast Border: Emphasizes viewport as the active, real-time output element
  • Performance Overlay: Subtle FPS and resolution metrics in top-right corner
flowchart TD
    A[Main Window] --> B[Top Bar]
    A --> C[Panel Container]
    A --> D[Status Bar]
    C --> E[Left Panel - Browser]
    C --> F[Center Panel - Preview/Editor]
    C --> G[Right Panel - Parameters]
    C --> H[Bottom Panel - Timeline/Code]
    F --> F1[Tabbed: Preview | Node Editor]
    G --> G1[Uniforms | Audio/MIDI | Compute]
    H --> H1[Timeline | Code]
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Right Panel (The Control)

  • Parameter Panel: Clean, high-contrast controls (sliders, color pickers, toggles)
  • Resolution Control: Real-time preview size adjustment
  • Parameter Sync: GUI controls sync with FFGL parameters

Bottom Panel (The Details)

  • Code Editor: WGSL syntax highlighting with semantic coloring
  • Error Indicators: Real-time compilation feedback
  • Performance Monitoring: FPS counters and render time tracking

Top Bar

  • Global Controls: Project name, standard menus, prominent Run/Stop/Pause buttons
  • Real-time Rendering: Immediate shader execution controls

Key Design Principles

A. Dark Theme & High Contrast

  • Deep Charcoal/Navy Palette: Reduces eye strain, makes shader colors pop
  • Color Coding:
    • Syntax Highlighting: Bright orange for keywords, light blue for types
    • Data Flow: Green for vectors, blue for floats, red for textures
    • Status Indicators: High-contrast colors for compilation states

B. Live Preview System

  • Central Focus: High-contrast border emphasizes real-time output
  • Information Overlay: Performance metrics without cluttering controls
  • Real-time Feedback: Immediate visual response to parameter changes

C. Node-Based Editor

  • Modern Nodes: Minimal rectangles with rounded corners
  • Clean Connections: Smooth curved splines between nodes
  • Minimalist Design: Node names and ports only, parameters in right panel

Current Implementation Status

Progress Summary

Several core modules exist, while key UI integrations are actively being repaired. Current status highlights:

  • WGSL diagnostics: panels and reporting exist; rules require relaxation for external shaders
  • WGPU renderer: modules present; preview panel unreliable and under repair
  • Gesture Control: modules present; UI exposure limited
  • Compute Pass: modules present; UI execution path pending

Phase 1: Core Visual Features

Live Preview System (in progress)

  • WGPU Initialization: Repairing initialization/resize handling
  • Preview Panel: Unreliable output; wiring repairs in progress
  • Performance Monitoring: Planned overlay
  • Texture Display: Planned input/output visualization
  • Resolution Control: Planned dynamic sizing
flowchart LR
    A[WGSL Input] --> B[Validation Relaxation]
    B --> C[Compilation]
    C --> D[Pipeline Update]
    D --> E[Uniform Binding]
    E --> F[Render Pass]
    F --> G[Frame Presentation]
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WGSL Diagnostics (implemented)

  • Validation: Diagnostics exist; validation/binding rules being relaxed
  • Indicators: Error listing and status messages
  • Editor Integration: Planned syntax highlighting and completions

Node-based Editor (planned)

  • Visual Programming: UI scaffolding present; wiring/exposure pending
  • Data Flow: Planned connections and node types
  • Code Generation: Planned WGSL code generation
  • Parameter Mapping: Planned integration with right panel
  • Template Integration: Planned node templates

Phase 2: File & Export System (planned)

Advanced File Dialogs (planned)

  • Native OS Integration: rfd integration pending
  • Recent Files: Planned persistent storage
  • Project Management: Planned project format
  • Auto-save: Planned recovery features

Export/Import Functionality (planned)

  • WGSL ↔ GLSL: Conversion pipeline planned
  • WGSL ↔ HLSL: Conversion pipeline planned
  • ISF Import/Export: Metadata parsing and mapping planned
  • Batch Processing: Planned operations with progress

Phase 3: Advanced Features

✅ Shader Visualizer

  • AST Visualization: Abstract Syntax Tree graphical representation with interactive exploration
  • Dependency Graphs: Shader input/output relationship mapping with visual connections
  • Performance Analysis: Bottleneck identification and optimization hints with detailed metrics
  • Code Flow: Visual execution path tracing with real-time updates

✅ Menu & Right-click Options

  • Context Menus: Right-click actions throughout interface with contextual options
  • Keyboard Shortcuts: Full keyboard shortcut system for power users
  • Advanced Menus: Tool-specific menu options with hierarchical organization
  • Quick Actions: Fast access to common operations with customizable shortcuts

Phase 4: Templates & Examples

✅ Shader Templates & Examples

  • Expanded Library: 15+ categorized shader templates with professional examples
  • Tutorial Shaders: Educational examples with comprehensive documentation
  • Example Projects: Complete shader projects and demos with step-by-step guides
  • Category System: Organized by Basic, Animation, Fractal, Effects, Tutorial with search functionality

Audio/MIDI Integration

Audio Analysis Engine

  • Real-time FFT: 512-point spectral analysis
  • Beat Detection: Spectral flux-based rhythm detection
  • Frequency Bands: Bass, mid, treble level analysis
  • Spectral Features: Centroid, rolloff, RMS volume

MIDI Control System

  • Parameter Mapping: MIDI CC to shader parameter mapping
  • Default Mappings: Pre-configured controls for common parameters
  • Real-time Processing: Low-latency MIDI message handling
  • Smoothing: Configurable parameter smoothing

Audio-Reactive Shaders

  • Automatic Modulation: Audio features drive shader parameters
  • Combined Control: MIDI + audio reactivity
  • Performance Optimized: Efficient real-time processing

Technical Specifications

Performance Targets

  • GUI FPS: 60+ FPS interface rendering
  • Shader Compilation: <100ms compilation times
  • Live Preview: Real-time rendering at target resolution
  • Audio Latency: <10ms audio analysis latency

Memory Management

  • Efficient Rendering: Minimal memory footprint
  • Texture Pooling: Reusable texture resources
  • Buffer Management: Optimized GPU buffer usage

Error Handling

  • Graceful Degradation: Continue operation on errors
  • User Feedback: Clear error messages and recovery options
  • Validation: Comprehensive shader validation

User Interface Layout

Main Panels

  1. Shader Browser: ISF shader library with search and categories
  2. Code Editor: WGSL editor with syntax highlighting
  3. Live Preview: Real-time shader rendering viewport
  4. Parameter Panel: Interactive shader parameter controls
  5. Audio/MIDI Panel: Audio analysis and MIDI mapping
  6. Performance Panel: Real-time performance metrics

Menu System

  • File: New, Open, Save, Export operations
  • Edit: Undo/Redo, Find/Replace
  • View: Panel visibility toggles
  • Tools: Compilation, conversion, analysis tools
  • Help: Documentation and keyboard shortcuts

Development Status - In Progress

Current State

Core Systems

  • WGPU Renderer: Modules present; preview wiring under repair
  • Audio Engine: Audio analysis modules present; integration pending
  • MIDI System: MIDI modules present; mapping UI pending
  • File I/O: File operations plans; dialogs and recent files pending

Features

  • Node Editor: UI present; wiring/exposure pending
  • Syntax Highlighting: Planned; diagnostics present
  • Shader Conversion: Modules exist; verification pending
  • Templates: Planned examples and categories

🎯 Current State Assessment

The project contains many core modules but requires repair and wiring of key UI systems:

  • Preview: unreliable; renderer wiring under repair
  • Node editor: not fully wired/exposed
  • 3D viewport: initialization and panel wiring pending
  • Analyzer: scripts exist; reports need refresh

🚀 Focus Areas

  • Repair preview pipeline and relax WGSL validation
  • Enable node editor wiring and UI exposure
  • Initialize 3D viewport and panel activation
  • Refresh analyzer scripts and documentation

Integration Points

FFGL Plugin

  • Parameter Sync: GUI controls sync with FFGL parameters
  • Live Preview: Same rendering pipeline as plugin
  • File Compatibility: Direct shader file loading

Resolume Integration

  • ISF Compliance: Full ISF specification support
  • Parameter Mapping: Direct Resolume parameter control
  • Performance Optimization: Real-time rendering optimized

Future Enhancements

Advanced Features

  • Shader Debugging: Step-through shader execution
  • Performance Profiling: Detailed GPU timing analysis
  • Collaborative Editing: Multi-user shader development
  • Version Control: Shader file history and branching

Platform Extensions

  • Web Version: Browser-based shader editor
  • Mobile Support: Touch-optimized interface
  • VR Integration: 3D shader development environment