Eevee render freezes the windows while it's rendering #73894

New Issue

son le · 2020-02-16T21:33:02+01:00

son le commented

2020-02-16 21:33:02 +01:00

System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce RTX 2070 SUPER/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 442.19

Blender Version
Broken: version: 2.82 (sub 7), branch: master, commit date: 2020-02-12 16:20, hash: 77d23b0bd7
Worked: (optional)

Exact steps for others to reproduce the error
Render anything with eevee completely freeze Blender window. Just open Render with default lights&cube scene , press F12 to render and the blender window is froze (unrespond, cant click nor do anything) until the task is finished. Cycle works fine.
Just upgraded my GPU so not sure if this is a hardware issue.

**System Information** Operating system: Windows-10-10.0.18362-SP0 64 Bits Graphics card: GeForce RTX 2070 SUPER/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 442.19 **Blender Version** Broken: version: 2.82 (sub 7), branch: master, commit date: 2020-02-12 16:20, hash: 77d23b0bd7 Worked: (optional) **Exact steps for others to reproduce the error** Render anything with eevee completely freeze Blender window. Just open Render with default lights&cube scene , press F12 to render and the blender window is froze (unrespond, cant click nor do anything) until the task is finished. Cycle works fine. Just upgraded my GPU so not sure if this is a hardware issue.

son le commented

2020-02-16 21:33:02 +01:00

Changed status from 'Needs Triage' to: 'Needs Developer To Reproduce'

son le commented

2020-02-16 21:33:02 +01:00

Added subscriber: @fallengt

blender-admin commented

2020-02-16 21:33:02 +01:00

#72339 was marked as duplicate of this issue

blender-admin commented

2020-02-16 21:33:02 +01:00

#73910 was marked as duplicate of this issue

Ankit Meel commented

2020-02-17 07:29:22 +01:00

Added subscriber: @ankitm

Ankit Meel commented

2020-02-17 07:29:22 +01:00

Changed status from 'Needs Developer To Reproduce' to: 'Needs Triage'

Ankit Meel commented

2020-02-17 07:29:22 +01:00

I used to think it is expected..

Ankit Meel changed title from ~~eevee render freezes the windows~~ to Eevee render freezes the windows while it's rendering

2020-02-17 07:32:33 +01:00

Ankit Meel commented

2020-02-17 07:38:54 +01:00

Added subscriber: @Jeroen-Bakker

Ankit Meel commented

2020-02-17 07:38:54 +01:00

Yup.. Unless it changed in 2.82, #72339 [Momentary interface freezes while EEVEE rendering causes progress bar malfunction]:

EEVEE renders in the main thread of blender due to OpenGL limitations. Almost all calls to OpenGL needs to be passed to the driver via the main thread. This halts any other work that is handled by the main thread (python scripts ui updates). Same reason that running python scripts halts UI updates.
The progress status is send to the OS, so here it is updated correctly as the rendering is done by OS threads, not by Blender.

@Jeroen-Bakker

Yup.. Unless it changed in 2.82, #72339 [Momentary interface freezes while EEVEE rendering causes progress bar malfunction]: > EEVEE renders in the main thread of blender due to OpenGL limitations. Almost all calls to OpenGL needs to be passed to the driver via the main thread. This halts any other work that is handled by the main thread (python scripts ui updates). Same reason that running python scripts halts UI updates. >The progress status is send to the OS, so here it is updated correctly as the rendering is done by OS threads, not by Blender. @Jeroen-Bakker

Campbell Barton commented

2020-02-17 07:47:28 +01:00

Added subscriber: @zargul

Campbell Barton commented

2020-02-17 07:48:44 +01:00

Closed as duplicate of #72339

Campbell Barton closed this issue

2020-02-17 07:48:44 +01:00

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Eevee render freezes the windows while it's rendering #73894