GNOME extensions - WIP

gnome/breezydesktop@org.xronlinux/extension.js

@@ -0,0 +1,49 @@
+const Lang = imports.lang;
+const St = imports.gi.St;
+const Clutter = imports.gi.Clutter;
+const Gio = imports.gi.Gio;
+const GObject = imports.gi.GObject;
+const Cogl = imports.gi.Cogl;
+const Shell = imports.gi.Shell;
+
+const ExtensionUtils = imports.misc.extensionUtils;
+const Me = ExtensionUtils.getCurrentExtension();
+const Main = imports.ui.main;
+const PanelMenu = imports.ui.panelMenu;
+
+
+class Extension {
+    enable() {
+        var XREffect = GObject.registerClass({}, class XREffect extends Shell.GLSLEffect {
+            vfunc_build_pipeline() {
+                // TODO - replace this with the sombrero shader
+                const declares = `
+                    uniform sampler2D uDesktopTexture;
+                `;
+                const code = `
+                    cogl_color_out = texture2D(uDesktopTexture, cogl_tex_coord_in[0].xy);
+                `;
+                this.add_glsl_snippet(Shell.SnippetHook.FRAGMENT, declares, code, false);
+            }
+
+            // TODO - read IMU data and update uniform variables
+            vfunc_paint_target(node, paintContext) {
+              if (!this._initialized) { 
+                this.set_uniform_float(this.get_uniform_location('uDesktopTexture'), 1, [0]);
+                this._initialized = true;
+              }
+
+              super.vfunc_paint_target(node, paintContext);
+            }
+        });
+
+        Main.uiGroup.add_effect(new XREffect());
+    }
+
+    disable() {
+    }
+}
+
+function init() {
+    return new Extension();
+}

gnome/breezydesktop@org.xronlinux/metadata.json

@@ -0,0 +1,9 @@
+{
+    "uuid": "breezydesktop@org.xronlinux",
+    "name": "Breezy GNOME",
+    "description": "XR virtual desktop for Linux.",
+    "shell-version": [
+        "43"
+    ],
+    "url": "https://github.com/wheaney/breezy-desktop"
+}