Low iOS Safari WebGL Texture Memory size causes crashes constantly.

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A comparison between a 33% and 100% transmission render target resolution scale

Here’s the technical details: By default, three.js’s MeshPhysicalMaterial uses a render target with the full viewport resolution for transmission rendering. However, in many cases, this size can be significantly reduced—by more than half in my experience—without noticeable visual degradation:

WebGLRenderer: Add transmission render target scale by michaeldll · Pull Request #30018 · mrdoob/three.js Fixed #30017. Description By default, the transmission render target takes up the full viewport. Reducing this render target size is valuable due to the considerable performance impact of rendering...

There are few better feelings for a developer than being able to give back to the open-source projects that taught us so much and which we now rely on daily.

On that note, I’m glad to be have contributed to #threejs with a simple yet important performance optimization:

github.com/mrdoob/three...