It is not actually removed yet from OpenGL 3.0, but this means that future versions of OpenGL will remove features.
Deprecation means that a feature is marked for removal from a future version of the OpenGL spec. “Together with OpenGL 3.0, the OpenGL ARB introduced a deprecation mechanism. Either the ‘Core’ or the ‘Compatibility’ profile.” For OpenGL 3.2, and later versions including OpenGL 4.5, you can additionally specify what profile you want the OpenGL context to support. In addition, the application can use a specific version of OpenGL by calling CreateContextAttribsARB (for WGL and GLX defined in the WGL/GLX_ARB_create_context extensions). “The default OpenGL context provides OpenGL 4.5 on supported hardware. It's easy to understand why NVIDIA was quick to release a new Beta driver that supports the OpenGL 4.5 specifications, even if there is nothing out there that requires it, at least not now. To get an idea of what the new version brings, you must know that OpenGL 4.5 includes Direct State Access (allows the object accessors enable state to be queried and modified without binding objects to contexts), Flush Control (applications can control flushing of pending commands before context switching), Robustness (a secure platform for applications such as WebGL browsers), OpenGL ES 3.1 API and shader compatibility, and DX11 emulation features.
#Is there an opengl 4.5 test? update
Maybe the version number is undeserving, but the update is here and NVIDIA is making the best of it. The community has been waiting for OpenGL 5.0, but it looks like users will have to settle with a smaller version, although, from the looks of it, it's quite a big update. The OpenGL 4.5 specifications have just been made public and it looks like NVIDIA is the first company to release a new driver that takes advantage of the new improvements.
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