1649137 - Increase in the usage of basic compositor since turning WebRender on on macOS

Status: RESOLVED DUPLICATE of bug 1651455

(Core :: Graphics: WebRender, defect, P3)

Description

[Jeff Muizelaar [:jrmuizel]]

See https://sql.telemetry.mozilla.org/queries/72215/source#181137

Comment 1

[Jeff Muizelaar [:jrmuizel]]

Here's an example configuration that's going bad:

  {
    "gfx": {
      "adapters": [
        {
          "description": null,
          "device_id": "0x5926",
          "driver": null,
          "driver_date": null,
          "driver_version": null,
          "gpu_active": true,
          "ram": "0",
          "subsys_id": null,
          "vendor_id": "0x8086",
          "driver_vendor": null
        }
      ],
      "d2d_enabled": null,
      "d_write_enabled": null,
      "features": {
        "advanced_layers": null,
        "compositor": "basic",
        "d2d": null,
        "d3d11": null,
        "gpu_process": {
          "status": "unused"
        },
        "webrender": {
          "status": "unavailable:FEATURE_FAILURE_DEFAULT_OFF"
        },
        "wr_qualified": {
          "status": "available"
        },
        "hw_compositing": {
          "status": "available"
        },
        "opengl_compositing": {
          "status": "available"
        },
        "wr_compositor": {
          "status": "available"
        }
      },
      "headless": false,
      "low_end_machine": null,
      "monitors": [
        {
          "pseudo_display": null,
          "refresh_rate": null,
          "scale": "2.0",
          "screen_height": "1050",
          "screen_width": "1680"
        },
        {
          "pseudo_display": null,
          "refresh_rate": null,
          "scale": "2.0",
          "screen_height": "1080",
          "screen_width": "1920"
        }
      ],
      "content_backend": "Skia"
    }
  }

Comment 2

[Jeff Muizelaar [:jrmuizel]]

Andrew discovered that this is most likely a coincidence. It looks like the actual cause is BigSur:
https://sql.telemetry.mozilla.org/queries/72658/source

Comment 3

[Sören Hentzschel]

I am on Big Sur Developer Beta 2 als only get the basic compositor. Let me know if there are any information I can provide.

Comment 4

[Jeff Muizelaar [:jrmuizel]]

I'm closing in favor of bug 1651455