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ID Category [?] Severity [?] Reproducibility Date Submitted Last Update
08622 Interface Minor Always May 1, 2023, 16:31 May 2, 2023, 11:51
Tester ICEknight View Status Public Platform MAME (Official Binary)
Assigned To Resolution Open OS Windows 10/11 (64-bit)
Status [?] Confirmed Driver
Version 0.254 Fixed in Version Build 64-bit
Fixed in Git Commit Github Pull Request #
Summary 08622: Bgfx + opengl + hlsl shows black screen when enabling NTSC
Description When using bgfx with the opengl backend with HLSL, switching "Enable NTSC" to On will display a black screen, albeit with the glass reflection effects.
Steps To Reproduce -Set video to bgfx
-Set backend opengl
-Select HLSL Screen Effect
-Set Enable NTSC to ON
Additional Information
Github Commit
Regression Version
Affected Sets / Systems
Attached Files
png file icon ntsc.png (14,204 bytes) May 1, 2023, 16:31 Uploaded by ICEknight
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Senior Tester
May 2, 2023, 07:22
edited on: May 2, 2023, 07:24
You left out a step - it's necessary to select effect hlsl, before the NTSC option becomes available.

After that, yes, the screen went black, so it's confirmed.
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May 2, 2023, 11:50
You're correct, just added the missing step.