As noted in bug 1678892, ES2 does not provide PBOs, so RenderCompositorOGLSWGL will only be accelerated for desktop GL or ES3. As noted in bug 1678892 comment 11, we might need to use SurfaceTextures to support this.
Bug 1699765 Comment 0 Edit History
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As noted in bug 1678892 comment 11, ES2 does not provide PBOs, so RenderCompositorOGLSWGL will only be accelerated for desktop GL or ES3. We might need to use SurfaceTextures to support this.