WebGLRenderer: Refactor creation of transmission render target. #23450
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Related issue: #22731 (comment)
Description
This PR sets the size of the transmission render target to half of the drawing buffer's size. It also makes
MeshPhysicalMaterial.transmission
to a WebGL 2 only property so it's easier use mipmap generation. Besides, the transmission render target's texture now usesLinearFilter
to itsmagFilter
property.The PR also fixes issue 5 in #22009.