WebGLPrograms: Use Map for O(1) program lookup. #32463
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📦 Bundle sizeFull ESM build, minified and gzipped.
🌳 Bundle size after tree-shakingMinimal build including a renderer, camera, empty scene, and dependencies.
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Mugen87
approved these changes
Dec 2, 2025
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Related issue: #32436
Description
Added a Map for cacheKey-based lookups in
acquireProgram, reducing time complexity from O(N) to O(1). Theprogramsarray is retained for resource monitoring viarenderer.info.