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Dolphin, the GameCube and Wii emulator - Forums › Dolphin Emulator Discussion and Support › General Discussion v
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Earthworm Jim 2 VC isn't working anymore except on OGL
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Earthworm Jim 2 VC isn't working anymore except on OGL
11-17-2016, 08:48 AM
#1
drhycodan Offline
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I know this regression is very recent, because I remember playing EWJ 2 with the Vulkan backend not too long ago, right after XFB was implemented in fact.  It was when XFB was just implemented in Vulkan and Vulkan still had vsync problems (unable to enable vsync even when it's checked).  What's weird is OpenGL has no problem whatsoever with booting this game up, while all the other backends just crash with a black screen.  Can someone take a look at what's special about this VC title and only OGL is capable of running it now (every backend used to play this title no problem)?
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11-17-2016, 11:13 AM (This post was last modified: 11-17-2016, 11:21 AM by JMC47.)
#2
JMC47 Offline
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Can you say what version broke it? I know Genesis VC titles are very touchy when it comes to XFB emulation, so a cleanup could have broken it.

Edit: Yup, Genesis VC games are broken. Good catch.
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11-17-2016, 11:25 AM
#3
drhycodan Offline
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No they're not all broken. For example, I can play EWJ 1 VC wiith every backend. It's only EWJ 2 that requires OGL to work.
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11-18-2016, 06:53 AM
#4
JMC47 Offline
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Yeah, there are small number of MegaDrive VC games that don't use strided XFB copies.
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11-18-2016, 09:26 AM
#5
drhycodan Offline
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Is this going to be fixed soon? I mean, it used to work on every backend not too long ago.
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11-18-2016, 10:41 AM
#6
Craftyawesome Offline
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Things like this are why stable exists.
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11-18-2016, 01:44 PM
#7
JMC47 Offline
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There's been no bisect done on it and few developers actually have a sizable number of VC games so there's no ETA. If you did a bisect it'd make it a lot easier to figure out what's wrong.
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11-19-2016, 12:08 AM
#8
drhycodan Offline
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I know it's after vulkan got XFB implemented and before/or when vsync was fixed in vulkan. So it's very recent.
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11-19-2016, 02:17 AM
#9
JMC47 Offline
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Okay; that's good enough for me to work with, I'll take it from here.
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11-20-2016, 12:36 PM
#10
JMC47 Offline
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Fixed now by 5.0-1531
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