glew を Homebrew でインストール

プロジェクトリンク

• ホームページ
• リポジトリ

コマンドとエイリアス

• glewinfo
• visualinfo

プロジェクトの歴史

GLEW's copyright history names Milan Ikits, Marcelo E. Magallon, and Lev Povalahev in the early 2000s, and the project site records a long release line beginning before the 1.2.5 release in December 2004. The project later moved through SourceForge and GitHub, while continuing to distribute generated release snapshots.

The 1.x series tracked OpenGL 2.x, 3.x, and 4.x extension growth. GLEW 2.0 in 2016 added forward-compatible-context support plus OSMesa and EGL support, and GLEW 2.1 in 2017 added support for OpenGL 4.6.

採用の歴史

GLEW's project news records inclusion in the OpenGL SDK and NVIDIA OpenGL SDK in 2007, an important adoption signal for an extension loader. The library's stability, permissive license, and simple include-and-initialize workflow helped it become a default dependency for tutorials, examples, and desktop OpenGL applications.

Package managers usually ship both the library and the `glewinfo` and `visualinfo` utilities. That turns GLEW from a build dependency into a diagnostics package for graphics stacks, useful when comparing driver extension exposure across Linux, macOS, Windows, BSD, and Mesa-based systems.

使われ方

Practitioners include `GL/glew.h`, create a valid OpenGL context, call `glewInit()`, and then test extension or version variables before using optional API entry points. `glewinfo` verifies extension entry points, while `visualinfo` reports visuals or pixel formats.

Developers who need new extension data can regenerate sources with the project's generation workflow, but the README recommends packaged release snapshots for most users.

パッケージ好きにとっての重要性

GLEW matters to package maintainers because it smooths over a historically awkward boundary between graphics drivers, OpenGL headers, generated loaders, and application build systems. A distro-provided GLEW package lets many older and portable OpenGL projects avoid vendoring generated extension code.

タイムライン

• 2004: GLEW 1.2.5 released with new extensions and FreeBSD support.
• 2007: GLEW included in the OpenGL SDK and NVIDIA OpenGL SDK.
• 2016: GLEW 2.0 added forward-compatible contexts, OSMesa, and EGL support.
• 2017: GLEW 2.1 added OpenGL 4.6 support.

Related projects

• GLEW sits alongside OpenGL, Mesa, GLX, WGL, EGL, GLUT/freeglut, and SDK sample code that needs portable access to extension entry points.

ソース

• https://github.com/nigels-com/glew
• https://glew.sourceforge.net/
• https://glew.sourceforge.net/basic.html