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Old 23rd Jul 2013, 12:22   #1
Gareth Halfacree
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OpenGL 4.4, OpenCL 2.0 released

New features and performance boosts.
http://www.bit-tech.net/news/bits/20...pengl-opencl/1
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Old 23rd Jul 2013, 13:18   #2
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Such a shame OpenGL fell behind DirectX, due to Microsoft's bully boy tactics....I always found OpenGL games had far nicer graphics at the time.

Hopefully, with PS4 using a custom version of OpenGL for it's games, dev's will stick with it when porting over to the PC.
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Old 23rd Jul 2013, 14:09   #3
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I'm really pleased to see some progress on standardising some parts of bindless an sparse texture extensions, even if they are not part of the core spec yet. The new buffer transfer and state block APIs look interesting. I wasn't expecting GL to keep pace with D3D so well.

Quote:
Originally Posted by Hustler
Such a shame OpenGL fell behind DirectX, due to Microsoft's bully boy tactics....I always found OpenGL games had far nicer graphics at the time.
What, exactly, are you talking about?

Quote:
Originally Posted by Hustler
Hopefully, with PS4 using a custom version of OpenGL for it's games, dev's will stick with it when porting over to the PC.
Devs often port onto D3D on windows, even if they already have the engine in OGL, because the D3D drivers are usually a lot more stable than the OGL drivers.
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Old 23rd Jul 2013, 15:56   #4
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Such a shame OpenGL fell behind DirectX, due to Microsoft's bully boy tactics....I always found OpenGL games had far nicer graphics at the time.
I too don't understand this. OpenGL is very capable of competing against DX. In many cases, it outperforms DX and I believe it supports all of the same features.
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Old 23rd Jul 2013, 17:23   #5
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I cant speak for Hustler, but im guessing he/she was referring to the early days of OpenGL and DirectX when both where competing for the crown of best/fastest API for games.

During the days of GLQuake, and the Voodoo cards Microsoft started to push DirectX as the better API, some people at the time considered the tactics Microsoft used to be rather agresive and biased http://en.wikipedia.org/wiki/Compari...D#Early_debate
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Microsoft had marketed Direct3D as faster based on in-house performance comparisons of these two software libraries
In the end Microsoft won the day as they managed to convince developers of the supposed advantages of DirectX vs OpenGL.
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Old 23rd Jul 2013, 18:45   #6
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In the old days nvidia supported stereoscopic 3d through OpenGL as well as direct x. Apparently they had to drop support of opengl because it was unstable so now we only get stereoscopic with direct x.

I don't know what games people have played that look better under OpenGL because I've always found OpenGL stuff dated. I suspect OpenGL is capable but for some reason all of the stuff I've seen based on it seems to look sooo yesterday. If anyone has links to stuff on OpenGL as good as dx I'd like to see? Isn't Rage OpenGL? I guess that's one good example.
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Old 23rd Jul 2013, 19:33   #7
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Originally Posted by Stanley Tweedle View Post
In the old days nvidia supported stereoscopic 3d through OpenGL as well as direct x. Apparently they had to drop support of opengl because it was unstable so now we only get stereoscopic with direct x.

I don't know what games people have played that look better under OpenGL because I've always found OpenGL stuff dated. I suspect OpenGL is capable but for some reason all of the stuff I've seen based on it seems to look sooo yesterday. If anyone has links to stuff on OpenGL as good as dx I'd like to see? Isn't Rage OpenGL? I guess that's one good example.
Back in the days of Quake before Nvidia acquired 3DFX, OpenGL was far superior to DirectX imho.




I also found a YouTube video comparing normal Quake to GLQuake sorry it goes on for a while, its all i could find.



Just found a more up to date comparison.


Last edited by Corky42; 23rd Jul 2013 at 19:43. Reason: Adding Video
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Old 23rd Jul 2013, 20:06   #8
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3DFX... fond memories.

I actually forgot the Unigine benchmarks work in OpenGL too!

I must try OpenGL mode on my system too.
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Old 23rd Jul 2013, 21:13   #9
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I always thought the Direct X would be limited by microsoft, once they entered the console market, So the only reason i can see for them to make improvements is because of the likes of OpenGL

is my thinking correct? as i am not that familiar with either software.
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Old 24th Jul 2013, 08:24   #10
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I always thought the Direct X would be limited by microsoft, once they entered the console market, So the only reason i can see for them to make improvements is because of the likes of OpenGL

is my thinking correct? as i am not that familiar with either software.
Not sure correct/incorrect is the right way of describing it
The two API's are just different ways of getting the same(ish) results.
http://en.wikipedia.org/wiki/Compari...t3D#Comparison
Quote:
Outside of a few minor functional differences which have mostly been addressed over the years, the two APIs provide nearly the same level of function. Hardware and software makers generally respond rapidly to changes in DirectX, e.g. pixel processor and shader requirements in DirectX 9 to stream processors in DirectX 10, while new features in OpenGL are mainly implemented first by vendors and afterward retroactively applied to the standard.
From my understanding Direct3D makes it easier to develop games, where as OpenGL increases the complexity of creating an implementation (or driver) that performs well. And DirectX is Microsoft only, OpenGL is cross platform.
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api, barthold lichtenbelt, direct3d, directx, gpgpu, gpu, graphics card, khronos group, opencl, opengl, the khronos group

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