Fix: Enable SSBO for legacy Intel iGPUs #111643

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Jeroen Bakker wants to merge 1 commits from Jeroen-Bakker:fix/111587 into main

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https://archive.blender.org/developer/D13806 introduced a workaround
that disabled SSBO support for Intel HD 4400 and 4600 iGPUs. As SSBO
is required for Blender 4.0 we want to check if this limitation is
still in the driver.

Ref #111587

https://archive.blender.org/developer/D13806 introduced a workaround that disabled SSBO support for Intel HD 4400 and 4600 iGPUs. As SSBO is required for Blender 4.0 we want to check if this limitation is still in the driver. Ref #111587
Jeroen Bakker added this to the 4.0 milestone 2023-08-29 08:39:44 +02:00
Jeroen Bakker added the
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Jeroen Bakker self-assigned this 2023-08-29 08:39:44 +02:00
Jeroen Bakker added 1 commit 2023-08-29 08:39:58 +02:00
Fix: Disable SSBBO workaround for legacy Intel iGPUs
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c9af288ee4
https://archive.blender.org/developer/D13806 introduced a workaround
that disabled SSBO support for Intel HD 4400 and 4600 iGPUs. As SSBO
is required for Blender 4.0 we want to check if this limitation is
still in the driver.

Ref #111587
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Member

@blender-bot package

@blender-bot package
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Package build started. Download here when ready.

Package build started. [Download here](https://builder.blender.org/download/patch/PR111643) when ready.
Jeroen Bakker changed title from Fix: Disable SSBO workaround for legacy Intel iGPUs to Fix: Enable SSBO for legacy Intel iGPUs 2023-08-29 08:40:44 +02:00
Jeroen Bakker closed this pull request 2023-08-29 08:48:37 +02:00
First-time contributor

Confirmed ( This fixed my issue #111619 )
iGPU : Mesa Intel(R) HD Graphics 4600 (HSW GT2) Intel 4.6 (Core Profile) Mesa 23.0.4-0ubuntu1~22.04.1

I think this should fix this issue #111587 too

Confirmed ( This fixed my issue https://projects.blender.org/blender/blender/issues/111619 ) iGPU : Mesa Intel(R) HD Graphics 4600 (HSW GT2) Intel 4.6 (Core Profile) Mesa 23.0.4-0ubuntu1~22.04.1 I think this should fix this issue https://projects.blender.org/blender/blender/issues/111587 too
First-time contributor

I also confirm. The build fixed issue #111587

Screenshot_20230829_135446.png

I also confirm. The build fixed issue #111587 ![Screenshot_20230829_135446.png](/attachments/88f523eb-7632-475c-a3a3-ad1e5ee1a495)
First-time contributor

Operating system: Windows 10 home : Laptop Lenovo G50-80
Graphics card: Intel(R) HD Graphics 5500 4.4.0 - Build 20.19.15.5171

The patch build PR111616 does not work with my system spec.
As before I had to use 'blender_debug_gpu_glitchworkaround' to load Blender, the Blender Icon Application just crashes.

The issue seems to be in Viewport Solid Mode, Material and Rendered are okay!

Operating system: Windows 10 home : Laptop Lenovo G50-80 Graphics card: Intel(R) HD Graphics 5500 4.4.0 - Build 20.19.15.5171 The patch build PR111616 does not work with my system spec. As before I had to use 'blender_debug_gpu_glitchworkaround' to load Blender, the Blender Icon Application just crashes. The issue seems to be in Viewport Solid Mode, Material and Rendered are okay!
First-time contributor

I think this is becuse intel graphic card models are hard coded in this line

(strstr(renderer, "HD Graphics 4400") || strstr(renderer, "HD Graphics 4600")))

maybe all of these models should be hardcoded ( )
or should be a check that goes for number of SSBO instead of iGPU model in the future
but for what iGPUs it's intended to, this seem to work

I think this is becuse intel graphic card models are hard coded in this line > ```(strstr(renderer, "HD Graphics 4400") || strstr(renderer, "HD Graphics 4600")))``` maybe all of these models should be hardcoded ( ) or should be a check that goes for number of SSBO instead of iGPU model in the future but for what iGPUs it's intended to, this seem to work
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Reference: blender/blender#111643
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