renderer: Report availability of EXT_texture_shadow_lod
Allows to avoid using non-existing GLSL functions when we do not support it.
Signed-off-by: Corentin Noël corentin.noel@collabora.com
Allows to avoid using non-existing GLSL functions when we do not support it.
Signed-off-by: Corentin Noël corentin.noel@collabora.com