From 942dd5aa66240236045ee773b37edad375a49fbd Mon Sep 17 00:00:00 2001
From: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Date: Sat, 31 Aug 2024 08:46:35 -0400
Subject: [PATCH] ail: add metadata width/height in tile helpers

for decompress kernels

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30981>
---
 src/asahi/layout/layout.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/asahi/layout/layout.h b/src/asahi/layout/layout.h
index 85a6d408353..3c5ba83b768 100644
--- a/src/asahi/layout/layout.h
+++ b/src/asahi/layout/layout.h
@@ -227,6 +227,22 @@ ail_effective_height_sa(unsigned height_px, unsigned sample_count_sa)
    return height_px * (sample_count_sa >= 2 ? 2 : 1);
 }
 
+static inline unsigned
+ail_metadata_width_tl(struct ail_layout *layout, unsigned level)
+{
+   unsigned px = u_minify(layout->width_px, level);
+   uint32_t sa = ail_effective_width_sa(px, layout->sample_count_sa);
+   return DIV_ROUND_UP(sa, 16);
+}
+
+static inline unsigned
+ail_metadata_height_tl(struct ail_layout *layout, unsigned level)
+{
+   unsigned px = u_minify(layout->height_px, level);
+   uint32_t sa = ail_effective_height_sa(px, layout->sample_count_sa);
+   return DIV_ROUND_UP(sa, 16);
+}
+
 static inline bool
 ail_is_compressed(const struct ail_layout *layout)
 {