New soft shadows don't support viewport render [no TAA]
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	Leroy (Leroy)
	Oct 28 2019, 8:50 AM

Description

System Information
Operating system: Windows-10-10.0.18362 64 Bits
Graphics card: GeForce GTX 1070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.60

Blender Version
Broken: version: 2.81 (sub 16), branch: master, commit date: 2019-10-27 13:40, hash: rB9b6aa740be31
Worked: (optional)

Short description of error
[Please fill out a short description of the error here]

Not sure it's bug, or functional defects.

Exact steps for others to reproduce the error

Download my file, than click View/ Viewport render image.

screenshots:

.blend file:

viewport_render_soft_shadows.blend625 KBDownload

Revisions and Commits

rB Blender
	D6538	rB7c9d15fca876 Fix T71154: EEVEE Soft Shadows Viewport Rendering

Related Objects

Duplicates Merged Here: T69985: Area Light Soft Shadows displayed in viewport but Viewport render image/animation shows hard shadow with eevee
T70301: Eevee Viewport Render is not Sampling

Event Timeline

Leroy (Leroy) created this task.Oct 28 2019, 8:50 AM

Rodger Davis (RodDavis) added a subscriber: Rodger Davis (RodDavis).Oct 28 2019, 12:32 PM

Rey Leonard M. Amorato (rl.amorato) added a subscriber: Rey Leonard M. Amorato (rl.amorato).Oct 28 2019, 3:05 PM

@Clément Foucault (fclem), is this a known limitation?

(Edited: I confused viewport render with view render F11)

Ivan Cappiello (icappiello) added a subscriber: Ivan Cappiello (icappiello).Dec 19 2019, 12:21 PM

Hm, pretty sure this is more or less working as intended.

Temporal AA [Viewport Samples] only kicks in for doing "real" eevee engine rendering (eevee_draw_background).
Since the bpy.ops.render.opengl does "only" ED_view3d_draw_offscreen, there is only one sample in effect so to say.

Not sure what the future plans for bpy.ops.render.opengl are @Jeroen Bakker (jbakker), @Clément Foucault (fclem), is this to be kept alongside the "real" rendering engines?

Philipp Oeser (lichtwerk) renamed this task from New soft shadows don't support viewport render to New soft shadows don't support viewport render [no TAA].Jan 2 2020, 10:19 AM

Viewport rendering should do a "real" eevee rendering but without re-exporting scene every frame like it does now. This could be a game changer like it was in 2.80 alpha. With this "real" viewport rendering eevee renderspeed is comparable to twinmotion renderspeed and to lumion renderspeed. So viewport rendering needs AA back...

Mikhail Rodionov (MARodionov) awarded a token.Jan 6 2020, 8:26 PM

Yes, if this is the case, than it is an actual issue. Can check tomorrow what is going on.

Jeroen Bakker (jbakker) changed the task status from Needs Developer to Reproduce to Confirmed.Jan 7 2020, 8:50 AM

Jeroen Bakker (jbakker) claimed this task.

It seems that multiple samples are calculated (you can see this by adding a volume object to the scene) the volume object is rendered with multiple samples.
Will check if the soft shadow light location and buffers are recalculated.