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Right now some drivers are doing dsign lowering in GLSL and haven't had to have a NIR path due to there not being a corresponding vulkan driver. We want this in NIR now so that we can retire that batch of GLSL lowering code. Reviewed-by: Marek Olšák <marek.olsak@amd.com> Acked-by: Faith Ekstrand <faith.ekstrand@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25777>