Install glslviewer with Homebrew, apk, Nix, scoop

Project links

• Homepage
• Repository
• Upstream docs
• Package manager page

Commands and aliases

• glslScreenSaver
• glslThumbnailer
• glslViewer

Project history

Patricio Gonzalez Vivo opened the public glslViewer repository in 2014. The project grew around a practical idea from shader art and graphics prototyping: make GLSL sketches runnable from a terminal, with file hot reload, texture loading, model loading, and interactive control through standard console streams or OSC.

The README documents expansion from fragment and vertex shader display into a broader sandbox: include resolution, user-defined uniforms, automatically generated defines, image and video textures, OBJ/PLY/glTF import, PBR defaults, debug modes, shadow maps, headless rendering, image and PNG-sequence export, screensaver mode, and WebAssembly cross-compilation.

Adoption history

glslViewer gained visibility among shader artists and graphics programmers because it connects command-line ergonomics with shader-toy-style iteration. Repository metadata shows thousands of stars and hundreds of forks, while the wiki and README point to an ecosystem of installation guides, usage guides, conventions, Discord discussion, and acknowledgements for Windows support, ShaderToy compatibility, OSC integration, and related creative-coding projects.

Its Homebrew and other package-manager entries make it easy to add shader previewing to a workstation without setting up a full engine. That packaging story is especially useful for workshops, live coding, CI rendering, and reproducible art pipelines.

How it is used

Practitioners use glslViewer to load a fragment shader, pair geometry with vertex shaders, attach image, video, camera, or audio textures, and edit shader files while the viewer hot-reloads changes. The wiki documents workflows for single fragment shaders, 3D models, PBR material editing, uniforms, defines, and console input commands.

The tool also serves automation uses: headless rendering, still-image export, PNG sequence export, screensaver mode, and OSC or POSIX stream control let other programs drive shader rendering without embedding a custom renderer.

Why package nerds care

glslViewer is significant because it packages a graphics sandbox as a Unix-like command. It gives shader practitioners a small installed tool that can bridge notebooks, shell scripts, art installations, classroom demos, and engine-adjacent shader experiments.

Timeline

• 2014: Public GitHub repository created.
• 2015: The project had an official project page under Patricio Gonzalez Vivo's site.
• Later development: README-documented features expanded to OSC control, asset loading, headless rendering, export, and WebAssembly builds.

Related projects

• The README acknowledges inspiration from fragTool and hdreffects.
• ShaderToy compatibility and creative-coding workflows connect glslViewer to the wider shader art ecosystem.
• OpenGL, GLFW, GLSL, and WebGL topics frame its graphics-tooling context.

Sources

• https://api.github.com/repos/patriciogonzalezvivo/glslViewer
• https://github.com/patriciogonzalezvivo/glslViewer
• https://github.com/patriciogonzalezvivo/glslViewer/wiki
• https://raw.githubusercontent.com/patriciogonzalezvivo/glslViewer/main/README.md