[PATCH xserver 2/5] xwayland: "EGL_EXT_device_base" required for eglstream

[Lyude Paul]

Reviewed-by: Lyude Paul <lyude at redhat.com>

On Thu, 2018-05-24 at 16:11 +0200, Olivier Fourdan wrote:
> eglQueryDevicesEXT() would abort if the required extenon are not
> available, meaning that enabling “-eglstream”on a non-EGL stream capable
> hardware would lead to an abort().
> 
> Check that "EGL_EXT_device_base" extension is available and baild out
> early if not, so we don't abort() later.
> 
> Signed-off-by: Olivier Fourdan <ofourdan at redhat.com>
> ---
>  hw/xwayland/xwayland-glamor.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/hw/xwayland/xwayland-glamor.c b/hw/xwayland/xwayland-glamor.c
> index cdca072ed..f543f321d 100644
> --- a/hw/xwayland/xwayland-glamor.c
> +++ b/hw/xwayland/xwayland-glamor.c
> @@ -67,6 +67,9 @@ xwl_glamor_egl_get_devices(int *num_devices)
>      int drm_dev_count = 0;
>      int i;
>  
> +    if (!xwl_glamor_egl_supports_device_probing())
> +        return NULL;
> +
>      /* Get the number of devices */
>      ret = eglQueryDevicesEXT(0, NULL, num_devices);
>      if (!ret || *num_devices < 1)
-- 
Cheers,
	Lyude Paul