jovian / venusian-ogx

0.8.x-dev 2026-09-18 17:50 UTC

Requires

• php: ^8.4|^8.5|^8.6
• jovian/ogx: ^0.8.0
• venusian-surface/contracts: ^0.8.0
• venusian-surface/drawing: ^0.8.0
• venusian-voyager/contracts: ^0.8.0
• venusian-voyager/nuts-and-bolts: ^0.8.0

Requires (Dev)

• pestphp/pest: ^4

MIT

• Angel Gonzalez

• framework
• linux
• macos
• opengl
• gpu
• venusian
• gles

Published on Packagist.org on 2026-09-18 17:50 UTC

README

OpenGL composition for Venusian Surface GPU drawing — the same engine on the Mac (GL 4.1 core in an NSOpenGLView) and the Pi (GLES 3.1 in a GtkGLArea).

ext-opengl → jovian/ogx → venusian-ogx → Surface
  1:1          typed       composition   cross-platform

The host window engine owns the GL context and lends it through Surface\Contracts\Drawing\GLSurface; this package owns everything inside it.

Install

composer require jovian/venusian-ogx

Registers VenusianOpenGLServiceProvider, which binds OpenGLEngine as the gpu.opengl singleton. Surface resolves that alias and nothing else.

The shape of it

$window->gpu('scene', 'opengl', 20, 20, 640, 560)
    ->onDraw(fn (Drawing2D $g, Frame $f) => $g->fillCircle(100.0, 100.0, 40.0, Color::hex('#ff8c00')));

$gpu->executor() instanceof Jovian\Venusian\OpenGL\Contracts\OpenGLDrawing; // bespoke half
$gpu->executor()->program(); // non-zero after the first frame

A frame is makeCurrent → read the bound FBO → viewport/clear → draws staged through one Bridge::alloc block → glFlush → present. Blending is on, so Painter alpha is real here.