[SOLVED] CEMU Emulator (Screen Flipped Vertically)
- 8 Oversoul
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7 years 11 months ago - 7 years 11 months ago #1
by 8 Oversoul
CEMU Emulator (Screen Flipped Vertically) was created by 8 Oversoul
CEMU is a Wii U emulator. It uses OpenGL32 x64 dll. However, when you start the application without any effects you can tell ReShade is upside down. When you turn on any effect, the actual game you are playing flips upside down. I know it's not the fault of ReShade but I was curious if there was any way to fix that? Thank you.
Last edit: 7 years 11 months ago by 8 Oversoul.
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- crosire
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7 years 11 months ago #2
by crosire
Replied by crosire on topic CEMU Emulator (Screen Flipped Vertically)
You can add this to the bottom of the ReShade.fx file for a quick'n'dirty fix:
float4 PS_FlipBackBuffer(float4 vpos : SV_Position, float2 texcoord : TEXCOORD) : SV_Target
{
return tex2D(BackBuffer, float2(texcoord.x, 1.0 - texcoord.y));
}
technique FlipBackBuffer < enabled = true; >
{
pass ColorBackup
{
VertexShader = ReShade::VS_PostProcess;
PixelShader = PS_FlipBackBuffer;
}
}
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- 8 Oversoul
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7 years 11 months ago - 7 years 11 months ago #3
by 8 Oversoul
Replied by 8 Oversoul on topic CEMU Emulator (Screen Flipped Vertically)
Thank you!
EDIT: I couldn't get that to work for some reason. I tried on latest ReShade version and legacy. Anyhow, I left a bug report thread for the CEMU devs to tell them the issue, hopefully they fix it in an update one day. It's pretty odd cause even without ReShade if you take a "Steam screenshot" while playing the image is flipped vertically, even though the game isn't. ReShade just flips the game in real-time. I'm sure other things like ENB would do it as well.
EDIT: I couldn't get that to work for some reason. I tried on latest ReShade version and legacy. Anyhow, I left a bug report thread for the CEMU devs to tell them the issue, hopefully they fix it in an update one day. It's pretty odd cause even without ReShade if you take a "Steam screenshot" while playing the image is flipped vertically, even though the game isn't. ReShade just flips the game in real-time. I'm sure other things like ENB would do it as well.
Last edit: 7 years 11 months ago by 8 Oversoul.
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- 8 Oversoul
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7 years 9 months ago #4
by 8 Oversoul
Replied by 8 Oversoul on topic CEMU Emulator (Screen Flipped Vertically)
Here is what the developer of CEMU said, I don't know if that's the right way of going about it. Steam screenshots are upside down also, but the overlay isn't...
This is not a bug in CEMU. We use a very recently added OpenGL feature called 'ARB_clip_control' which will result in upside-down images if this feature is not taken into account by third-party tools. Report the bug to the developer of the overlay.
This is not a bug in CEMU. We use a very recently added OpenGL feature called 'ARB_clip_control' which will result in upside-down images if this feature is not taken into account by third-party tools. Report the bug to the developer of the overlay.
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