Any way to force the game to run with OpenGL 2.1? (Linux)

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skylineone044
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Any way to force the game to run with OpenGL 2.1? (Linux)

Post by skylineone044 »

I have a crappy laptop(20042 Lenovo G560), with: an Intel Pentium P6100 (2) @ 1.999GHz, which has integrated graphics (Listed as Intel Core processor),
running Manjaro Linux with the default video-linux driver, which supports up to OpenGL 2.1 (The output of "glxinfo | grep -i "opengl version"" is "OpenGL version string: 2.1 Mesa 18.3.3")

0.16 worked just fine, but as mensioned in an FFF, the game has been moved to OpenGL 3.1 (If I remember correctly)
But I updated to 0.17.0.
Which means my crappy laptop can't run the game anymore, and gives an error: "Failed to create OpenGL context: Could not create GL context: GLXBadFBConfig"

Although when I tried the video-vesa driver, the screen got all messed up, but through the many graphycal glithes the game managed to launch (And while the vesa driver was active glxinfo said it had OpenGL 3.1) but it broke itself, so I had to switch back to video-linux.

Which leaves me here. Could the game be forced to run on OpenGL 2.1, or perhaps a "Potato computer compatibility mode" could me added.

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Re: Any way to force the game to run with OpenGL 2.1? (Linux)

Post by Koub »

I'd say : impossible you'll have to invest into either a discrete gpu - even crappy - that supports the right version of opengl, or stick to 0.16.X, but maybe the devs will have a more nuanced answer
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Re: Any way to force the game to run with OpenGL 2.1? (Linux)

Post by posila »

I am sorry to say - OpenGL 3.3 is the potato computer compatibilty mode ... otherwise we would go with 4.4+
You have to stick to 0.16 :/

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Re: Any way to force the game to run with OpenGL 2.1? (Linux)

Post by BlueTemplar »

Vulkan when? :P /ducks
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Re: Any way to force the game to run with OpenGL 2.1? (Linux)

Post by posila »

BlueTemplar wrote:
Wed Feb 27, 2019 12:01 am
Vulkan when? :P /ducks
When there's time ... hopefully before 1.0 :D

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Re: Any way to force the game to run with OpenGL 2.1? (Linux)

Post by BlueTemplar »

Oh, so there's actually a chance ?
I wasn't really serious, I didn't think there was hope for that except for *another* complete graphic engine rewrite !?
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Re: Any way to force the game to run with OpenGL 2.1? (Linux)

Post by Jap2.0 »

BlueTemplar wrote:
Wed Feb 27, 2019 12:47 am
Oh, so there's actually a chance ?
I wasn't really serious, I didn't think there was hope for that except for *another* complete graphic engine rewrite !?
No, from what I've heard they've been keeping it in mind while they were writing the engine.
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Re: Any way to force the game to run with OpenGL 2.1? (Linux)

Post by skylineone044 »

posila wrote:
Tue Feb 26, 2019 10:49 pm
I am sorry to say - OpenGL 3.3 is the potato computer compatibilty mode ... otherwise we would go with 4.4+
You have to stick to 0.16 :/
Well that's unfortunate. Guess I'll be waiting for Vulkan then. :[

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Re: Any way to force the game to run with OpenGL 2.1? (Linux)

Post by posila »

skylineone044 wrote:
Wed Feb 27, 2019 4:38 am
posila wrote:
Tue Feb 26, 2019 10:49 pm
I am sorry to say - OpenGL 3.3 is the potato computer compatibilty mode ... otherwise we would go with 4.4+
You have to stick to 0.16 :/
Well that's unfortunate. Guess I'll be waiting for Vulkan then. :[
Unfortunatelly, Vulkan is available only on HW that usually supports at least OpenGL 4.5

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Re: Any way to force the game to run with OpenGL 2.1? (Linux)

Post by skylineone044 »

posila wrote:
Wed Feb 27, 2019 9:55 am
skylineone044 wrote:
Wed Feb 27, 2019 4:38 am
posila wrote:
Tue Feb 26, 2019 10:49 pm
I am sorry to say - OpenGL 3.3 is the potato computer compatibilty mode ... otherwise we would go with 4.4+
You have to stick to 0.16 :/
Well that's unfortunate. Guess I'll be waiting for Vulkan then. :[
Unfortunatelly, Vulkan is available only on HW that usually supports at least OpenGL 4.5
Well then I guess it's time for an upgrade.
Thanks anyway.

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