fix(Glyph3DMapper): shift+scale for large coords #3304
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floryst
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Pull Request Overview
This PR fixes jittering issues in the Glyph3DMapper when rendering objects with large coordinates by implementing a shift+scale transformation approach.
- Adds coordinate shift and scale computation to handle large coordinate values
- Applies transformations to both matrix buffers and primitive coordinate buffers
- Ensures the Glyph3DMapper's shift+scale takes precedence over the base mapper's transformation
floryst
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finetjul
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Jul 31, 2025
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@floryst some tests are failing 'Test Suite: Test getPixelWorldHeightAtCoord'
2025-07-31T17:47:44.3348969Z Chrome 138.0.0.0 (Linux x86_64) INFO: ' [PASS] Image match resolution'
2025-07-31T17:47:44.3350652Z Chrome 138.0.0.0 (Linux x86_64) INFO: ' [FAIL] [Widgets/Core/WidgetManager/test/testNoScaleInPixelsWithPerspective] Matching image - delta 97.56% (count: 87808)'
2025-07-31T17:47:44.3753081Z Chrome 138.0.0.0 (Linux x86_64) INFO: ' [PASS] Image match resolution'
2025-07-31T17:47:44.3761310Z Chrome 138.0.0.0 (Linux x86_64) INFO: ' [FAIL] [Widgets/Core/WidgetManager/test/testNoScaleInPixelsWithParallel] Matching image - delta 88.08% (count: 79271)'
2025-07-31T17:47:44.4061230Z Chrome 138.0.0.0 (Linux x86_64) INFO: ' [PASS] Image match resolution'
2025-07-31T17:47:44.4069023Z Chrome 138.0.0.0 (Linux x86_64) INFO: ' [FAIL] [Widgets/Core/WidgetManager/test/testScaleInPixelsWithPerspective] Matching image - delta 95.34% (count: 85807)'
2025-07-31T17:47:44.4265524Z Chrome 138.0.0.0 (Linux x86_64) INFO: ' [PASS] Image match resolution'
2025-07-31T17:47:44.4273077Z Chrome 138.0.0.0 (Linux x86_64) INFO: ' [FAIL] [Widgets/Core/WidgetManager/test/scaleInPixelsWithParallel] Matching image - delta 64.24% (count: 57813)' |
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Yeah I'm looking into why the tests are failing. |
floryst
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Tests have passed. This is good for review @sankhesh |
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Context
The glyphmapper does not handle large coordinates, resulting in jittering
Results
Large coordinates no longer jitter when using the glyph3dmapper
Changes
PR and Code Checklist
npm run reformatto have correctly formatted codeTesting