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PMREM Refraction support #19611

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2 of 11 tasks
JohannesDeml opened this issue Jun 10, 2020 · 2 comments · Fixed by #19623
Closed
2 of 11 tasks

PMREM Refraction support #19611

JohannesDeml opened this issue Jun 10, 2020 · 2 comments · Fixed by #19623
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Enhancement

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@JohannesDeml
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Description of the problem

PMREM seems to miss support for refraction mapping even though the mapping option CubeUVRefractionMapping exists.

Comparison between enabled refraction of Equirectangular vs PMREM:

firefox_2020-06-10_12-26-46
Equirectangular with EquirectangularRefractionMapping

firefox_2020-06-10_12-27-00
PMREM with CubeUVRefractionMapping

I extended the envmaps example to show the problem:

Three.js version
  • [ x ] Dev
  • [ x ] r117
  • ...
Browser
  • All of them
  • Chrome
  • Firefox
  • Internet Explorer
OS
  • All of them
  • Windows
  • macOS
  • Linux
  • Android
  • iOS
Hardware Requirements (graphics card, VR Device, ...)
@mrdoob
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mrdoob commented Jun 10, 2020

Related: Does GLTF support refraction?

@sciecode sciecode mentioned this issue Jun 11, 2020
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@donmccurdy
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Related: Does GLTF support refraction?

Not yet, and the upcoming KHR_materials_transmission doesn't either, but refraction is on the roadmap and will build on the transmission/transmissionMap parameters. A very rough guess would be sometime in 2021.

@Mugen87 Mugen87 mentioned this issue Mar 7, 2022
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WebGLProgram: support cube uv refraction mapping sciecode/three.js
4 participants
@mrdoob @donmccurdy @JohannesDeml @Mugen87