First render time surge in chromium 115

After I upgraded Edge to version 115, I found that first render set WebGLProgram in chromium 115 takes several times longer than before.

The information I got from the test:

  • Chromium 115;
  • Open antialias (use WebGLMultisampleRenderTarget);
  • Multiple variations based on MeshStandardMaterial or MeshPhysicalMaterial;
  • The presence or absence of an environment map also makes a big difference.


Example (

Chromium 115 :

Before Chromium 115 Or Nonuse Multisample :

As mentioned at GitHub, this is indeed a Chromium regression: