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Refactors the timeline code generator (`tools/seq_compiler.py`) to use the `gpu_init_color_attachment` helper function from `src/gpu/gpu.h`.
This change removes platform-specific `#if !defined(DEMO_CROSS_COMPILE_WIN32)` directives from the generated C++ files (`timeline.cc`, `test_timeline.cc`) and centralizes the platform-aware initialization logic within the existing helper function.
The generated code is now cleaner and easier to maintain. Both native macOS and Windows cross-compilation builds are confirmed to be successful.
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This commit fixes several issues that caused the Windows cross-compilation build (`scripts/build_win.sh`) to fail.
The root causes were platform-specific API differences in the wgpu-native library and incorrect dependency tracking in the CMake build system for generated code.
Changes:
- **`tools/seq_compiler.py`**: The timeline generator now wraps `depthSlice` assignments in `#if !defined(DEMO_CROSS_COMPILE_WIN32)` directives to handle API differences in `WGPURenderPassColorAttachment`.
- **`src/gpu/gpu.h`**: The `gpu_init_color_attachment` helper is now platform-aware, using a preprocessor guard for the `depthSlice` member.
- **`src/effects/*.cc`**: All effects are updated to use the new platform-aware helper or have explicit guards for `depthSlice`. Also, replaced `WGPUTexelCopyTextureInfo` with the cross-platform alias `GpuTextureCopyInfo` in `rotating_cube_effect.cc`.
- **`cmake`**: Added `tools/seq_compiler.py` as an explicit dependency to the `generate_timeline` and `generate_test_demo_timeline` custom commands. This ensures that changes to the generator script correctly trigger a rebuild of the generated C++ files.
- **`scripts/build_win.sh`**: Removed the erroneous attempt to build the `seq_compiler.py` script as a native executable.
With these changes, the Windows cross-compilation build now completes successfully.
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Effects now accept start/end time parameters and automatically passthrough
when inactive. Implements buffer chain integrity via compile-time validation.
- Effect base class: dispatch_render() checks time bounds, auto-passthroughs
1:1 input/output effects outside [start, end] interval
- seq_compiler.py: validates producer/consumer lifespan constraints for
multi-output effects, adds --validate flag, always validates before codegen
- Updated all 9 effect classes and test fixtures to pass start/end times
- check_all.sh: includes timeline validation step
- Tests: 34/34 passing, demo runs successfully
Co-Authored-By: Claude Sonnet 4.5 <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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- Remove #if !defined(DEMO_CROSS_COMPILE_WIN32) guards
- platform.h included transitively handles depthSlice compatibility
- Regenerate timeline.cc with cleaned output
- Tests: 34/34 passing
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Remove END_DEMO keyword from timeline format. Demo duration now
calculated from max effect end time across all sequences. Sort
sequences by start time at compile time for deterministic ordering.
Changes:
- seq_compiler.py: Auto-calculate duration, sort sequences
- seq_compiler.cc: Remove END_DEMO parsing, sort by start time
- workspaces/test/timeline.seq: Remove END_DEMO directive
- Generated timeline.cc: Duration now 40.0f (was hardcoded)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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- seq_compiler.py: Calculate beat_phase from beat_time (was hardcoded 0.0f)
- Refactor: Replace CommonPostProcessUniforms with UniformsSequenceParams
- Remove duplicate struct definition in post_process_helper.h
- Update all CNN effects and tests to use unified uniform struct
- Fixes FlashEffect showing solid white instead of flashing to beat
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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