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- seq_compiler: add gbuf_albedo/gbuf_rgba32uint to NODE_TYPES
- timeline: declare gbuf_feat0/feat1 as gbuf_rgba32uint, route
CNNv3Effect output through cnn_v3_out (gbuf_albedo) + Passthrough
to sink (dec0 can't write directly to Rgba8Unorm sink)
- cnn_v3_effect: fix update_bind_groups using .set() instead of
.replace() causing FATAL assert on second frame
- TODO: add CNN v3 "2D mode" (G-buffer-free) future task
handoff(Gemini): CNNv3Effect now runs without crashes at --seek 48
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- CNNv3Effect constructor loads ASSET_WEIGHTS_CNN_V3 via GetAsset on startup
- seq_compiler.py: CLASS_TO_HEADER supports full #include paths for cnn_v3/ classes
- timeline.seq: add cnn_v3_test sequence at 48s (GBufferEffect → CNNv3Effect)
- test_cnn_v3_parity: zero_weights test now explicitly uploads zeros to override asset
handoff(Gemini): CNNv3Effect ready; export weights to workspaces/main/weights/ and seek to 48s to test
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WGSL-only WgslEffect implementing barrel/fisheye distortion, RGB chroma
separation, scanlines, per-pixel temporal noise, rolling jitter line,
vignette, and warm NTSC phosphor tint. Applied across all main sequences.
handoff(Gemini): Ntsc effect added; 13 effects total, 35+1 tests expected.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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snippet
- src/shaders/render/scratch_lines.wgsl: reusable WGSL snippet registered as
"render/scratch_lines"; call scratch_lines(uv, resolution, time)->f32 from
any effect. Uses hash_1f from math/noise; 8 lines/frame, ~24fps flicker.
- src/effects/scratch.{wgsl,h,cc}: thin Scratch effect wrapping the snippet.
- Applied to "intro" and "rotating_cube" sequences as the final step.
- 35/35 tests passing.
handoff(Gemini): Scratch effect added. render/scratch_lines snippet is reusable.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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- Fix assets.txt path: shaders/xxx.wgsl (not ../../src/shaders/)
- Fix shader output path to workspaces/main/shaders/
- Step 5: reference cmake/DemoSourceLists.cmake COMMON_GPU_EFFECTS (not CMakeLists.txt GPU_SOURCES)
- Add step for test_demo_effects.cc
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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- Add Scene1 effect: raymarching cube+sphere+ground (reflections, shadows)
- Fix scene1.wgsl: binding 0→2, CommonUniforms→UniformsSequenceParams
- Replace Heptagon+Placeholder stub in heptagon_scene with Scene1
- Fix seq_compiler.py: emit seq.start_time+effect.start/end (absolute times)
so dispatch_render active check works correctly for all sequences
Bug: effects in sequences starting after t=0 were never active because
local times (e.g. 0-8) never satisfied params.time<end for absolute time 20+.
34/34 tests passing.
handoff(Gemini): seq_compiler now emits absolute effect times. All existing
sequences affected — verify visual output across the full timeline.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Prevents compilation errors when multiple sequences share the same name.
Compiler now appends _{index}_Sequence for unique class names.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Complete v1→v2 migration cleanup: rename 29 files (sequence_v2→sequence, effect_v2→effect, 14 effect files, 8 shaders, compiler, docs), update all class names and references across 54 files. Archive v1 timeline. System now uses standard naming with all versioning removed. 30/34 tests passing.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Renamed files and classes:
- cnn_effect.{h,cc} → cnn_v1_effect.{h,cc}
- CNNEffect → CNNv1Effect
- CNNEffectParams → CNNv1EffectParams
- CNNLayerParams → CNNv1LayerParams
- CNN_EFFECT.md → CNN_V1_EFFECT.md
Updated all references:
- C++ includes and class usage
- CMake source list
- Timeline (workspaces/main/timeline.seq)
- Test file (test_demo_effects.cc)
- Documentation (CLAUDE.md, PROJECT_CONTEXT.md, READMEs)
Tests: 34/34 passing (100%)
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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Converted track.md drum notation to .track format and integrated as main music.
165 BPM high-energy pattern with syncopated kicks, 16th note hi-hats, and break.
- Add workspaces/main/pop_punk_drums.track (3 patterns, 4-bar sequence)
- Add workspaces/main/track.md (notation reference)
- Update workspace.cfg to use pop_punk_drums.track
- Update BPM to 165
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Features:
- CPU load bar: Color-coded (green→yellow→red) effect density visualization
- Overlays under waveform to save space, always visible
- Constant load (1.0) per active effect, 0.1 beat resolution
- Add Effect button: Create new effects in selected sequence
- Delete buttons in properties panel for quick access
- Timeline favicon (green bars SVG)
Fixes:
- Handle drag no longer jumps on mousedown (offset tracking)
- Sequence name input accepts numbers (explicit inputmode)
- Start Time label corrected (beats, not seconds)
Updated timeline.seq with beat-based timing adjustments.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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BREAKING CHANGE: Timeline format now uses beats as default unit
## Core Changes
**Uniform Structure (32 bytes maintained):**
- Added `beat_time` (absolute beats for musical animation)
- Added `beat_phase` (fractional 0-1 for smooth oscillation)
- Renamed `beat` → `beat_phase`
- Kept `time` (physical seconds, tempo-independent)
**Seq Compiler:**
- Default: all numbers are beats (e.g., `5`, `16.5`)
- Explicit seconds: `2.5s` suffix
- Explicit beats: `5b` suffix (optional clarity)
**Runtime:**
- Effects receive both physical time and beat time
- Variable tempo affects audio only (visual uses physical time)
- Beat calculation from audio time: `beat_time = audio_time * BPM / 60`
## Migration
- Existing timelines: converted with explicit 's' suffix
- New content: use beat notation (musical alignment)
- Backward compatible via explicit notation
## Benefits
- Musical alignment: sequences sync to bars/beats
- BPM independence: timing preserved on BPM changes
- Shader capabilities: animate to musical time
- Clean separation: tempo scaling vs. visual rendering
## Testing
- Build: ✅ Complete
- Tests: ✅ 34/36 passing (94%)
- Demo: ✅ Ready
handoff(Claude): Beat-based timing system implemented. Variable tempo
only affects audio sample triggering. Visual effects use physical_time
(constant) and beat_time (musical). Shaders can now animate to beats.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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+misc
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Converted ShaderToy shader (Saturday cubism experiment) to Scene1Effect
following EFFECT_WORKFLOW.md automation guidelines.
**Changes:**
- Created Scene1Effect (.h, .cc) as scene effect (not post-process)
- Converted GLSL to WGSL with manual fixes:
- Replaced RESOLUTION/iTime with uniforms.resolution/time
- Fixed const expressions (normalize not allowed in const)
- Converted mainImage() to fs_main() return value
- Manual matrix rotation for scene transformation
- Added shader asset to workspaces/main/assets.txt
- Registered in CMakeLists.txt (both GPU_SOURCES sections)
- Added to demo_effects.h and shaders declarations
- Added to timeline.seq at 22.5s for 10s duration
- Added to test_demo_effects.cc scene_effects list
**Shader features:**
- Raymarching cube and sphere with ground plane
- Reflections and soft shadows
- Sky rendering with sun and horizon glow
- ACES tonemapping and sRGB output
- Time-based rotation animation
**Tests:** All effects tests passing (5/9 scene, 9/9 post-process)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Remove incomplete ShaderToy conversion that was blocking builds:
- Removed include from src/gpu/demo_effects.h
- Removed shader asset from workspaces/main/assets.txt
- Removed effect reference from timeline.seq
- Deleted incomplete effect files (.h, .cc, .wgsl)
Effect remains disabled in CMakeLists.txt and can be re-added when
conversion is complete.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Fix EFFECT keyword format across all documentation and scripts - priority
modifier (+/=/–) is required but was missing from examples.
**Documentation fixes:**
- doc/HOWTO.md: Added missing + to EFFECT example
- doc/RECIPE.md: Added priority modifiers to examples
- tools/shadertoy/README.md: Fixed test path, clarified workflow
- tools/shadertoy/convert_shadertoy.py: Updated output instructions
**New automation guide:**
- doc/EFFECT_WORKFLOW.md: Complete step-by-step checklist for AI agents
- Exact file paths and line numbers
- Common issues and fixes
- Asset ID naming conventions
- CMakeLists.txt dual-section requirement
- Test list instructions (post_process_effects vs scene_effects)
**Integration:**
- CLAUDE.md: Added EFFECT_WORKFLOW.md to Tier 2 (always loaded)
- doc/AI_RULES.md: Added "Adding Visual Effects" quick reference
- README.md: Added EFFECT_WORKFLOW.md to documentation list
**CMakeLists.txt:**
- Disabled incomplete cube_sphere_effect.cc (ShaderToy conversion WIP)
**Timeline:**
- Commented out incomplete CubeSphereEffect
- Removed obsolete constructor argument
Fixes #issue-with-effect-syntax
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Implements automatic layer chaining and generic framebuffer capture API for
multi-layer neural network effects with proper original input preservation.
Key changes:
- Effect::needs_framebuffer_capture() - generic API for pre-render capture
- MainSequence: auto-capture to "captured_frame" auxiliary texture
- CNNEffect: multi-layer support via layer_index/total_layers params
- seq_compiler: expands "layers=N" to N chained effect instances
- Shader: @binding(4) original_input available to all layers
- Training: generates layer switches and original input binding
- Blend: mix(original, result, blend_amount) uses layer 0 input
Timeline syntax: CNNEffect layers=3 blend=0.7
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Add `# WORKSPACE: <name>` header to all workspace config files:
- timeline.seq
- music.track
- assets.txt
Format: First line contains workspace identifier.
Editors must preserve this header comment.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Self-contained workspaces for parallel demo development.
Structure:
- workspaces/main,test - Demo-specific resources
- assets/common - Shared resources
- workspace.cfg - Configuration per workspace
CMake integration:
- DEMO_WORKSPACE option (defaults to main)
- cmake/ParseWorkspace.cmake - Config parser
- Workspace-relative asset/timeline/music paths
Migration:
- Main demo: demo.seq to workspaces/main/timeline.seq
- Test demo: test_demo.seq to workspaces/test/timeline.seq
- Common shaders: assets/common/shaders
- Workspace shaders: workspaces/*/shaders
Build:
cmake -B build -DDEMO_WORKSPACE=main
cmake -B build_test -DDEMO_WORKSPACE=test
All tests passing (36/36).
handoff(Claude): Task #77 workspace system complete. Both main and test workspaces build and pass all tests.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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