Reported from this UDN: https://udn.unrealengine.com/s/question/0D5QP00000MLlco0AD/active-dtr-doesnt-render-beforedofmodulated-materials?fromCase=1
The problem is that, except in very specific circumstances, translucent rendering draws "standard" (alpha blend) and modulate (multiply) materials in the same pass. When a down-res render target is used for translucency, the down-res target is first cleared to black. Since Modulate blend mode multiplies colors, they don't affect the black render target: any color * black = black.
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-215909 in the post.
0 |
Component | UE - Graphics Features |
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Affects Versions | 5.4 |
Target Fix | 5.6 |
Created | May 28, 2024 |
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Updated | Sep 10, 2024 |