Talk:Comparison of OpenGL and Direct3D

DirectX Price
The chart at the top says Direct3D is not free.. but isn't it free to download and use it in code? Direct3D LieAfterLie (talk) 23:43, 25 October 2010 (UTC)

I am also pretty sure OpenGL isn't quite free either. The only two "free implementations available" I know of are the SGI reference implementation and Mesa. Both were licensed a long time ago. I am quite sure the Krohnos group won't allow anybody to slap GL logo on a piece of commercial software/hardware implementation without licensing the trademark.

I agree with you. This is open to interpretation and should be deleted. By your point of view, there's no difference between the two APIs. It is also notable Wine implements some subset of Direct3D.  MaxDZ8 talk  07:10, 26 October 2010 (UTC)


 * At the very least it needs to say what it means by "free".. free to implement? Use commercially? Release in free software? Modify? LieAfterLie (talk) 19:31, 26 October 2010 (UTC)

Handedness
Shouldn't there be at least a remark about the handedness difference between OpenGL and Direct3D (right hand vs left hand coordinate system). And matrix storage conventions, row major or column major. These ar for me as a developer important differences. — Preceding unsigned comment added by Daniel Dekkers (talk • contribs) 12:36, 24 June 2014 (UTC)

Missing a features section with feature comparison table
There is no table with features and when they are introduced in OpenGL and DirectX. It would be good thing to have such a table. Seems best place for it would be a section between Portability and Ease of use in the wikipedia article. Features such as introduction of geometry shaders, geometry instancing, separate blend modes per-MRT, pixel shader per sample, tessellation, compute shaders, texture compression, SPIR-V/DXIL, fast packed 16bit math, deterministic fragment ordering: ARB_fragment_shader_interlock/Rasterizer Ordered Views (ROVs), Conservative Rasterization, and many more. — Preceding unsigned comment added by 2A02:A03F:5C0C:D400:E883:60A8:2004:4BF (talk) 23:46, 23 February 2018 (UTC)

About "Direct3D is a proprietary[2][3] API"
Both of these links talk about DirectX (not direct3d) as software, not as a api. They can be used to show that DirectX as a software is not free but they can NOT be used to show if the API is free or not. As for the "Microsoft Windows only", there are multiple free implementations of Direct3d for linux (and other OSes), there is even a implementation for Mesa, just as native as OpenGL. (unlike what the article claims).194.219.140.7 (talk)

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