Fix 110976: Sequencer Scope Artifacts on NVIDIA 30/40 Series #112665

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Jeroen Bakker merged 2 commits from Jeroen-Bakker/blender:sequencer/scope-artifacts into main 2023-09-26 17:30:08 +02:00
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This PR fixes an issue with the NVIDIA 3000/4000 series cards. The cause
might be that when blending is turned off and the fragment output has an alpha
of 0.0 the fragment might be discarded. This is a guess of course.

By setting the Alpha to 1.0 for scopes and enabling alpha blending when
drawing the meta data text seems to fix the issue.

@iss As I am not aware of all the different user setting please review this
carefully.

Fixes #110976

This PR fixes an issue with the NVIDIA 3000/4000 series cards. The cause might be that when blending is turned off and the fragment output has an alpha of 0.0 the fragment might be discarded. This is a guess of course. By setting the Alpha to 1.0 for scopes and enabling alpha blending when drawing the meta data text seems to fix the issue. @iss As I am not aware of all the different user setting please review this carefully. Fixes #110976
Jeroen Bakker added this to the 4.0 milestone 2023-09-21 12:45:41 +02:00
Jeroen Bakker added the
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Jeroen Bakker self-assigned this 2023-09-21 12:45:42 +02:00
Jeroen Bakker added 1 commit 2023-09-21 12:45:56 +02:00
This PR fixes an issue with the NVIDIA 3000/4000 series cards. The cause
is that when blending is turned off and the fragment output has an alpha
of 0.0 it seems to internally optimize the fragment away, leading. This
is a guess of course.

By setting the Alpha to 1.0 for scopes and enabling alpha blending when
drawing the meta data text seems to fix the issue.

As I am not aware of all the different user setting please review this
carefully.
Jeroen Bakker requested review from Richard Antalik 2023-09-21 12:47:53 +02:00
Jeroen Bakker added this to the Video Sequencer project 2023-09-21 12:48:01 +02:00
Jeroen Bakker added 1 commit 2023-09-21 12:52:26 +02:00
Equalize top/bottom metadata
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Package build started. [Download here](https://builder.blender.org/download/patch/PR112665) when ready.
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Package build started. Download here when ready.

Package build started. [Download here](https://builder.blender.org/download/patch/PR112665) when ready.
Richard Antalik approved these changes 2023-09-26 16:10:55 +02:00
Jeroen Bakker merged commit 4a78d7dc4c into main 2023-09-26 17:30:08 +02:00
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