mirror of
https://github.com/lighttransport/tinyusdz.git
synced 2026-01-18 01:11:17 +01:00
e1fa06a761
This commit integrates the optimized 32-byte Value implementation from the
value-opt-32 branch and adapts it to be compatible with the value-opt branch's
recent refactorings (array type system, TimeSamples, POD matrix types).
## Key Changes
### Array Type System Compatibility
- Update from TYPE_ID_1D_ARRAY_BIT to new dual-bit system:
* TYPE_ID_STL_ARRAY_BIT (bit 20) for std::vector arrays
* TYPE_ID_TYPED_ARRAY_BIT (bit 21) for TypedArray/ChunkedTypedArray
* TYPE_ID_ARRAY_BIT_MASK for detecting any array type
- Add array_bit() method to TypeTraits for all array types
- Proper dual-bit marking for TypedArray types (both STL and TYPED bits)
### Matrix Types Refactoring
- Convert all 6 matrix types to trivial/POD-compatible structs:
* matrix2f, matrix3f, matrix4f, matrix2d, matrix3d, matrix4d
- Replace custom constructors with = default
- Add explicit copy/move constructors/operators as = default
- Add static identity() methods for creating identity matrices
- Enables efficient memcpy and compatibility with TimeSamples POD requirements
### Matrix Comparison Operators
- Add operator== for all 6 matrix types using math::is_close()
- Required for TimeSamples array deduplication
- Proper floating-point comparison with tolerance
### Build System
- Add missing src/tydra/bone-util.{cc,hh} to CMakeLists.txt
- Fixes undefined reference to ReduceBoneInfluences()
- Update .gitignore to prevent build artifact commits
### Value32 Implementation Files
- Add value-types-handler.{cc,hh} - Handler-based value type system
- Add value-types-new.{cc,hh} - New 32-byte Value implementation
- Add value-debug-trace.hh - Debug tracing utilities
- Add test_value32.cc - Value32 unit tests
- Add benchmark files for performance comparison
### Documentation
- Add comprehensive design and analysis documents (10 .md files)
- Include performance benchmarks and comparisons
- Document std::any and linb::any analysis
- Add test results summary
## Testing
All tests pass successfully:
- CTest: 3/3 tests passed (100%)
- Unit tests: 27/27 tests passed (100%)
- USD file parsing: 6/6 files tested successfully (USDA and USDC)
- Tydra render scene conversion: Working correctly
## Compatibility
Maintains full backward compatibility:
- All existing tests continue to pass
- No regressions in USD parsing (USDA, USDC, USDZ)
- Tydra conversion still functional
- Compatible with recent TimeSamples and array refactoring
Modified files: 6 (+1040/-118 lines)
New files: 18 (5263 lines)
Total changes: +5263/-118 lines
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
374 lines
6.2 KiB
Plaintext
374 lines
6.2 KiB
Plaintext
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