First of all please file at https://gitlab.freedesktop.org/mesa/mesa/-/issues If widget.dmabuf-export.force-enabled=true works and widget.dmabuf-export.force-enabled=false is broken then we're having problem with GBM dmabuf backend. Please file that at MESA. // FEATURE_DMABUF_SURFACE_EXPORT // Disabled on all Mesa drivers due to various issue, among them: // https://gitlab.freedesktop.org/mesa/mesa/-/issues/6666 // https://gitlab.freedesktop.org/mesa/mesa/-/issues/6796 // https://gitlab.freedesktop.org/mesa/mesa/-/issues/6688 // https://gitlab.freedesktop.org/mesa/mesa/-/issues/6988 We disabled FEATURE_DMABUF_SURFACE_EXPORT on MESA dues to various issues - maybe it's fixed yet?
Bug 1980145 Comment 19 Edit History
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First of all please file at https://gitlab.freedesktop.org/mesa/mesa/-/issues If widget.dmabuf-export.force-enabled=true works and widget.dmabuf-export.force-enabled=false is broken then we're having problem with GBM dmabuf backend. Please file that at MESA. // FEATURE_DMABUF_SURFACE_EXPORT // Disabled on all Mesa drivers due to various issue, among them: // https://gitlab.freedesktop.org/mesa/mesa/-/issues/6666 // https://gitlab.freedesktop.org/mesa/mesa/-/issues/6796 // https://gitlab.freedesktop.org/mesa/mesa/-/issues/6688 // https://gitlab.freedesktop.org/mesa/mesa/-/issues/6988 We disabled FEATURE_DMABUF_SURFACE_EXPORT on MESA dues to various issues - maybe it's fixed already?