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EEVEE Cryptomatte Processing Performance
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Description

Current implementation uses a single core. During implementation it was always kept in mind that we should do the processing in a threaded way. It should also be possible to render the next sample during the integration of the previous sample in the accumulation buffer.

Another solution would be to do the sorting on the GPU using compute shaders. D10913: GPU: Compute Pipeline.

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StatusSubtypeAssignedTask
 ResolvedDESIGNJeroen Bakker (jbakker)T81058 EEVEE: Cryptomatte
 ConfirmedTO DONoneT82574 EEVEE Cryptomatte Processing Performance

Event Timeline

Jeroen Bakker (jbakker) changed the task status from Needs Triage to Confirmed.Nov 10 2020, 11:05 AM
Jeroen Bakker (jbakker) created this task.
Jeroen Bakker (jbakker) changed the subtype of this task from "Design" to "To Do".
Jeroen Bakker (jbakker) mentioned this in D9165: EEVEE Cryptomatte.Nov 10 2020, 11:10 AM
Jeroen Bakker (jbakker) moved this task from Backlog to Blender 2.91 on the EEVEE & Viewport board.Nov 10 2020, 11:36 AM
Jeroen Bakker (jbakker) edited projects, added BF Blender (2.91); removed BF Blender (2.92).
Jeroen Bakker (jbakker) moved this task from Blender 2.91 to Blender 2.92 on the EEVEE & Viewport board.Nov 13 2020, 8:34 AM
Jeroen Bakker (jbakker) edited projects, added BF Blender (2.92); removed BF Blender (2.91).
Jeroen Bakker (jbakker) removed Jeroen Bakker (jbakker) as the assignee of this task.Nov 16 2020, 10:03 AM
Jeroen Bakker (jbakker) mentioned this in rB76a0b322e4d3: EEVEE Cryptomatte.Dec 4 2020, 8:47 AM
Bastien Montagne (mont29) moved this task from Backlog to bcon2: Features on the BF Blender (2.92) board.Dec 21 2020, 12:31 PM
Bastien Montagne (mont29) edited projects, added BF Blender (2.93); removed BF Blender (2.92).Mar 1 2021, 3:58 PM
Bastien Montagne (mont29) moved this task from Backlog to bcon2: Features on the BF Blender (2.93) board.Mar 1 2021, 4:02 PM
I did must have done it (leonardos) added a subscriber: I did must have done it (leonardos).Mar 11 2021, 11:15 PM

hopefully this will improve performance of eevee cryptomattes as current implementation has massive performance penalty up to 500% depending on setup

Jeroen Bakker (jbakker) updated the task description. (Show Details)Apr 12 2021, 3:38 PM
Jeroen Bakker (jbakker) removed a project: BF Blender (2.93).
Jeroen Bakker (jbakker) moved this task from Blender 2.92 to Backlog on the EEVEE & Viewport board.