Mesa (master): ac/surface: document more meta equation dependencies

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Module: Mesa
Branch: master
Commit: f3112c532b01f8ed1832d6a1fae457ce6f362da8
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f3112c532b01f8ed1832d6a1fae457ce6f362da8

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Tue Apr 20 05:39:30 2021 -0400

ac/surface: document more meta equation dependencies

Reviewed-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer at amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10343>

---

 src/amd/common/ac_surface.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/amd/common/ac_surface.h b/src/amd/common/ac_surface.h
index b3207026d9f..d6af39ec466 100644
--- a/src/amd/common/ac_surface.h
+++ b/src/amd/common/ac_surface.h
@@ -197,6 +197,7 @@ struct gfx9_meta_equation {
        * - resource type
        * - swizzle_mode
        * - bpp
+       * - number of samples
        * - number of fragments
        * - pipe_aligned
        * - rb_aligned
@@ -215,9 +216,12 @@ struct gfx9_meta_equation {
 
       /* The gfx10 DCC equation is chip-specific, it requires 64KB_R_X, and it varies with:
        * - bpp
+       * - number of samples
+       * - number of fragments
        * - pipe_aligned
        *
-       * The gfx10 HTILE equation is chip-specific.
+       * The gfx10 HTILE equation is chip-specific, it requires 64KB_Z_X, and it varies with:
+       * - number of samples
        */
       uint16_t gfx10_bits[60];
    } u;