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| OpenGL 3.0 ? What and Why? https://delphigl.com/forum/viewtopic.php?f=19&t=7932 |
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| Autor: | noeska [ Di Nov 04, 2008 18:18 ] |
| Betreff des Beitrags: | OpenGL 3.0 ? What and Why? |
What is this new OpenGL 3.0 thing. I heard a lot of functions are depracted now and should not be uses anymore? How does this impact developing OpenGL applications. Will thing work more like OpenGL ES? Is there a quick introduction on migrating to OpenGL 3.0 ? Also how does this impact on supporting older hardware? Need two or more opengl paths in your application? One for old skool opengl and one for OpenGL 3.0? |
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| Autor: | oc2k1 [ Mi Nov 05, 2008 01:19 ] |
| Betreff des Beitrags: | |
OpenGL 3.0 requires DX10 Hardware. Currently there are only beta drivers for nvidia cards. It won't be a bad idea to read the forums on http://opengl.org for more informations. |
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| Autor: | Stucuk [ Mi Nov 05, 2008 16:48 ] |
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What i find stupid is that they say that the reasons for Deprecation is that it means that GFX Card manufacturors don't have to support all the old methods, meaning less buggy patches etc. But they will now have to support Pre 3.0 and 3.0 at the same time or else Gamers who buy the latest cards will moan that they now can't play the current generation of games on there GFX Card because they weren't made for OGL 3.0 . Which means more buggy GFX drivers and more wasted time by the GFX Card manufacturors. |
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| Autor: | noeska [ Mi Nov 05, 2008 18:54 ] |
| Betreff des Beitrags: | |
I got the following answer at opengl.org from Groovounet : Zitat: OpenGL 3 doesn't changed much yet except the way to create an OpenGL context. It mostly add features for GeForce8 and Radeon HD hardware.
Yes it is a bit like OpenGL ES but even if it is deprecated, it still work. For older hardware it work the same way you will done with OpenGL 2.0 hardware and OpenGL 2.1 hardware. I don't know about a quick introduction ... (PS : Wrong forum for this question...) |
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| Autor: | Stucuk [ Mi Nov 05, 2008 20:54 ] |
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I thought they were ment to be removing stuff like VBO, glbegin() etc and implementing 1 standard render path. |
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| Autor: | noeska [ Fr Nov 28, 2008 20:24 ] |
| Betreff des Beitrags: | |
Some basic usage of opengl3.0: http://www.gamedev.net/community/forums ... _id=512890 who want to take up the challenge and create a delphi/pascal template out of it? |
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| Autor: | Stucuk [ Mo Dez 01, 2008 08:36 ] |
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Zitat: NVIDIA will take full advantage of the mechanism described in question #2 to keep supporting all functionality, including functionality on the deprecated list in OpenGL 3.0, for all future OpenGL versions. If, for example, OpenGL 3.1 will actually remove the features on the deprecated list, developers will be able to keep using those features on NVIDIA hardware using one of the mechanisms described in question #2.
I fail to see the point of deprecating features when NVidia states that it will support all deprecated features..... I assume ATI will do the same so they don't loose some ground. |
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| Autor: | TAK2004 [ Mo Dez 01, 2008 09:53 ] |
| Betreff des Beitrags: | |
Look at this site http://developer.nvidia.com/object/opengl_3_driver.html. Some functions are marked as deprecated but nothing was removed. The most interesting features are new more solid FBO, GLSL 1.2 and Texture Arrays. Every feature you can use with gf8800 cards on OpenGL2.1 as extension. |
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