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Old 03-11-10, 09:24 PM   #1
AngelGraves13
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Default OpenGL 4.0 release, on par with DirectX 11

OpenGL version 4.0, released on March 10, 2010, is the twelfth revision since the original version 1.0.

The OpenGL 4.0 specification and the GLSL 4.00 update to the OpenGL Shading language enable developers to access the latest generation of GPU acceleration with significantly enhanced graphics quality, acceleration performance and programming flexibility.

OpenGL 4.0 further improves the close interoperability with OpenCL™ for accelerating computationally intensive visual applications. OpenGL 4.0 also continues support for both the Core and Compatibility profiles first introduced with OpenGL 3.2, enabling developers to use a streamlined API or retain backwards compatibility for existing OpenGL code, depending on their market needs.

OpenGL 4.0 has been specifically designed to bring significant benefits to application developers, including:

* two new shader stages that enable the GPU to offload geometry tessellation from the CPU;
* per-sample fragment shaders and programmable fragment shader input positions for increased rendering quality and anti-aliasing flexibility;
* drawing of data generated by OpenGL, or external APIs such as OpenCL, without CPU intervention;
* shader subroutines for significantly increased programming flexibility;
* separation of texture state and texture data through the addition of a new object type called sampler objects;
* 64-bit double precision floating point shader operations and inputs/outputs for increased rendering accuracy and quality;
* performance improvements, including instanced geometry shaders, instanced arrays, and a new timer query.

Source: OpenGL Home

I can't wait to see what RAGE, DOOM 4, and idTech5 will look like with Tessellation
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Old 03-11-10, 09:48 PM   #2
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Default Re: OpenGL 4.0 release, on par with DirectX 11

Hey great! Let'em duke it out. I like me some good looking opengl games.
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Old 03-11-10, 10:24 PM   #3
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Default Re: OpenGL 4.0 release, on par with DirectX 11

This is awesome! I remember back when there was a lot of competition between OpenGL and DX- I sincerely pray we get back to that.
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Old 03-11-10, 10:28 PM   #4
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Default Re: OpenGL 4.0 release, on par with DirectX 11

Sounds awesome. But dont forget RAGE is DX9 for windows. It will ship on OGL for Mac though of course. But there is always the chance Doom 4 will use OGL 4.0.
http://www.beyond3d.com/content/news/462
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Old 03-11-10, 11:14 PM   #5
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Default Re: OpenGL 4.0 release, on par with DirectX 11

Quote:
Originally Posted by Noobfryer View Post
Sounds awesome. But dont forget RAGE is DX9 for windows. It will ship on OGL for Mac though of course. But there is always the chance Doom 4 will use OGL 4.0.
http://www.beyond3d.com/content/news/462
That's from 2007, last I heard (2009) it was running on OpenGL.
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Old 03-11-10, 11:16 PM   #6
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Default Re: OpenGL 4.0 release, on par with DirectX 11

I assume that OpenGL 4.0 requires updated hardware, or can updated drivers for current cards allow OpenGL 4.0 usage today?
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Old 03-11-10, 11:30 PM   #7
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Default Re: OpenGL 4.0 release, on par with DirectX 11

If your hardware support DX11 then you can use OpenGL 4.0, otherwise it falls back to OpenGL 3.3 (DX10/10.1 equivalent).
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Old 03-11-10, 11:34 PM   #8
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Default Re: OpenGL 4.0 release, on par with DirectX 11

I've always thought of myself as more of an OpenGL person because of my longtime use of Linux, but I don't think it'll ever get back to the days when OpenGL and DirectX were competitive.. It's just too late. It's like id Software sitting on Quake 3 for way too long and Epic flew right past them with UE. Tech 4 has like 4 or 5 games and UE3 has more than a dozen studios pumping out games, it's ridiculous. Maybe at the very least this will allow wine developers to better translate DirectX 9+ features to OpenGL.

About DirectX 9 for Rage.. Do you think that's just a minimum requirement, sort of in the way that Crysis can run on 9 but also make use of 10? I mean, DirectX 9 is like 8 years old isn't it? I'm perfectly happy playing DirectX 9 games, but this is a brand new engine... :S There's nothing on Wikipedia about DirectX for Rage, so I don't know much about that.
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Old 03-12-10, 12:37 AM   #9
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Default Re: OpenGL 4.0 release, on par with DirectX 11

i really wish OpenGL would make a comeback
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Old 03-12-10, 12:59 AM   #10
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Default Re: OpenGL 4.0 release, on par with DirectX 11

Even if OpenGL doesn't return to it's original dominance, competition is always good, so there's probably something worthwhile that will come of it.
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Old 03-12-10, 12:59 AM   #11
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Default Re: OpenGL 4.0 release, on par with DirectX 11

Quote:
Originally Posted by logan View Post
I've always thought of myself as more of an OpenGL person because of my longtime use of Linux, but I don't think it'll ever get back to the days when OpenGL and DirectX were competitive.. It's just too late. It's like id Software sitting on Quake 3 for way too long and Epic flew right past them with UE. Tech 4 has like 4 or 5 games and UE3 has more than a dozen studios pumping out games, it's ridiculous. Maybe at the very least this will allow wine developers to better translate DirectX 9+ features to OpenGL.

About DirectX 9 for Rage.. Do you think that's just a minimum requirement, sort of in the way that Crysis can run on 9 but also make use of 10? I mean, DirectX 9 is like 8 years old isn't it? I'm perfectly happy playing DirectX 9 games, but this is a brand new engine... :S There's nothing on Wikipedia about DirectX for Rage, so I don't know much about that.
Well back in 07 Carmack said he wasn't interested in DX10. Now DX11 I havent heard any comments about. I dont know why you would want to use DX9. I mean I know its a multiplatform engine but devolpers that are building from the ground up with DX10, or DX10 as a base at least, find it to be closer to console spec and at the very least simplify things.
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Old 03-12-10, 07:00 AM   #12
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Default Re: OpenGL 4.0 release, on par with DirectX 11

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Originally Posted by nekrosoft13 View Post
i really wish OpenGL would make a comeback
This here. I remember when I started gaming on the PC...OpenGL was a godsend for my Voodoo 5 5500.

I love me some OpenGL, always liked the way stuff looked with it for some reason.
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