Castle Game Engine: CastleGLVersion

# Unit CastleGLVersion
Description | Uses | Classes, Interfaces, Objects and Records | Functions and Procedures | Types | Constants | Variables
## Description Checking OpenGL version, vendors and such (GLVersion, GLUVersion). These should be initialized by calling GLInformationInitialize, which is done automatically when opening OpenGL context using TCastleWindowCustom or TCastleControlCustom. ## Overview ### Classes, Interfaces, Objects and Records
Name | Description
--- | ---
Class `TGenericGLVersion` | OpenGL libraries (core OpenGL or GLU) version information.
Class `TGLVersion` |
### Variables
`GLVersion: TGLVersion;`
`GLUVersion: TGenericGLVersion;`
## Description ### Variables
`GLVersion: TGLVersion;`
Core OpenGL version information. This is usually created by CastleGLUtils.GLInformationInitialize.
`GLUVersion: TGenericGLVersion;`
GLU version information. This is usually created by CastleGLUtils.GLInformationInitialize.
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