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Transparent BSDF Clamps Values in EEVEE but Not Cycles
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Description

System Information
Operating system: Windows 7 64 bit
Graphics card: nVidia GeForce GTX 970

Blender Version
Broken: v2.80 (release)

Short description of error
In EEVEE the transparent BSDF appears to clamp values whereas in Cycles it does not.

Exact steps for others to reproduce the error
In the attached blend file switch the viewport shading mode to rendered. Note that in EEVEE the gradient renders from black to transparent. Now switch the render engine to Cycles. The gradient here goes from black to white as the white values exceed 1.

Details

Type
Bug

Related Objects

Event Timeline

Dan (D) created this task.Sat, Aug 10, 9:42 PM

I can reproduce this in a Ubuntu 19.04 VM on Blender v2.81.
GPU: Intel HD 630 using VMWare SVGA II Driver.

Brecht Van Lommel (brecht) closed this task as Archived.
Brecht Van Lommel (brecht) claimed this task.

Alpha blending in Eevee is more limited than Cycles, this is a known limitation though some improvements are planned in this area.
T68454: Better Transparent BSDF