Originally posted by mo0n_sniper
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Valve's L4D2 Is Faster On Linux Than Windows
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Originally posted by mirv View PostOn a different subject: anyone else use the r200 drivers with UT? That combo was fast.
Sorry for the nostalgia trip everyone.Last edited by Hamish Wilson; 02 August 2012, 11:23 AM.
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Originally posted by Hamish Wilson View PostBut surely that is comparing Apples and Oranges there isin't it? You can compare Direct3D to OpenGL, but for the rest it is SDL that provides a similar or even arguably better feature set to DirectX (at the very least on Linux but also on other systems as well).
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Idiotic thing No1: OpenGL isn't multi-threading. Its actually multi-threading and super-threading: if you have a multilevel software rasterizer for LLVM for example, you can run the graphics part on many different instruction sets like CPU cores and GPU cores at the same time just with 2 back-ends, see PlayStation3 (6 SPEs /1.8macTflops used for graphics). Idiotic thing No2: Opengl is slower than Direct3D. They have only a small difference: OpenGL has extensions(ARB) of the protocol build inside GPUs. Even if you don't use assembly and use GLSL, you will still be faster. Important No3: OpenGL is "Open". So you can find it inside GPU drivers on all operating systems, and you can develop libraries for it: Imagination has OpenRL, wile NVidia develops Voxel-Raytracing solution for OpenGL (ID-tech 6).
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We don?t know in which conditions the benchmark was done in linux, because a default ubuntu 12.04 install with nvidia blob performs much much worse than windows 7.
Also, a curious note. The reason why opengl is not widely used, is because the xbox alone sells more games than pc, mac, linux and similarLast edited by narciso; 02 August 2012, 01:24 PM.
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Originally posted by narciso View PostWe don?t know in which conditions the benchmark was done in linux, because a default ubuntu 12.04 install with nvidia blob performs much much worse than windows 7.
Also, a curious note. The reason why opengl is not widely used, is because the xbox alone sells more games than pc, mac, linux and similar
The "consoles holding DX back" or "Xbox killing OGL" are both false statements, but repeat something enough...
I blame a combination of three factors for OGL becomming more or less a dead spec for PC gaming:
1: OGL 3.0 failing to deliver
2: Id Tech 4's steep HW requirements
3: Unreal 3 [seriously, how many major titles use Unreal these days?]
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Originally posted by gamerk2 View PostI blame a combination of three factors for OGL becomming more or less a dead spec for PC gaming:
1: OGL 3.0 failing to deliver
2: Id Tech 4's steep HW requirements
3: Unreal 3 [seriously, how many major titles use Unreal these days?]
4: Poor driver support from all vendors except nVidia
In recent years even Autodesk has made the move from OpenGL towards Direct3D, and the main reason they cite is driver compatibility (http://archicad-talk.graphisoft.com/...lution_788.pdf)
The release of Rage also demonstrated the poor state of OpenGL drivers on Windows once again. The game just would not work properly on Radeons or Intel drivers. It worked on nVidia, but with bugs.
I had to try no less than 4 special 'Rage-optimized' beta drivers from AMD before my HD5770 could run Rage acceptably.
The reason for this is a bit chicken-and-egg I suppose. Because the API is near-dead anyway, no OpenGL software is released, so OpenGL driver issues are neither found nor fixed.Last edited by Scali; 02 August 2012, 02:21 PM.
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For all the people that keeps complaining that D3D and OpenGL might not look the same and there for be cheating: First of all I don't think Valve would call it done unless they achieved parity in the game on both platforms. Second the article sites OpenGL numbers for both plat forms and in all cases (WinD3D vs WinOGL, LinuxOGL vs WinOGL, LinuxOGL vs WinD3D) OpenGL and Linux has the better performance. And if you want a hint at how the OpenGL render looks, take a look at the shots of it running in one of the first articles about it here on Phoronix (shouldn't be hard to find), yeah i know thows shots are from a camera, doesn't show specs and could be dated, but still!
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