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ail: generalize solid mode values

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this is blocksize dependenant, fill in the gaps.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Mary Guillemard <mary.guillemard@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35662>
This commit is contained in:
Alyssa Rosenzweig 2025-01-30 11:25:43 -05:00 • committed by Marge Bot
parent cdb4463b52
commit 9740474021
1 changed files with 27 additions and 3 deletions
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30
src/asahi/layout/layout.h
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@ -445,9 +445,6 @@ ail_can_compress(enum pipe_format format, unsigned w_px, unsigned h_px,
ail_effective_height_sa(h_px, sample_count_sa) >= 16;
}
/* AGX compression mode for a solid colour for the subtile */
#define AIL_COMP_SOLID 0x3
/* AGX compression mode for an uncompessed subtile. Frustratingly, this seems to
* depend on the format. It is possible that modes are actual 8-bit structures
* with multiple fields rather than plain enumerations.
@ -457,6 +454,12 @@ ail_can_compress(enum pipe_format format, unsigned w_px, unsigned h_px,
#define AIL_COMP_UNCOMPRESSED_4 0x7f
#define AIL_COMP_UNCOMPRESSED_8_16 0xff
/* AGX compression mode for a solid colour for the subtile. */
#define AIL_COMP_SOLID_1 0x60
#define AIL_COMP_SOLID_2 0x01
#define AIL_COMP_SOLID_4 0x03
#define AIL_COMP_SOLID_8_16 0x07
static inline uint8_t
ail_subtile_uncompressed_mode(enum pipe_format format)
{
@ -472,6 +475,21 @@ ail_subtile_uncompressed_mode(enum pipe_format format)
/* clang-format on */
}
static inline uint8_t
ail_subtile_solid_mode(enum pipe_format format)
{
/* clang-format off */
switch (util_format_get_blocksize(format)) {
case 1: return AIL_COMP_SOLID_1;
case 2: return AIL_COMP_SOLID_2;
case 4: return AIL_COMP_SOLID_4;
case 8:
case 16: return AIL_COMP_SOLID_8_16;
default: unreachable("invalid block size");
}
/* clang-format on */
}
/*
* Compression modes are 8-bit per 8x4 subtile, but grouped into 64-bit for all
* modes in a 16x16 tile. This helper replicates a subtile mode to a tile mode
@ -492,6 +510,12 @@ ail_tile_mode_uncompressed(enum pipe_format format)
return ail_tile_mode_replicated(ail_subtile_uncompressed_mode(format));
}
static inline uint64_t
ail_tile_mode_solid(enum pipe_format format)
{
return ail_tile_mode_replicated(ail_subtile_solid_mode(format));
}
/*
* For compression, compatible formats must have the same number/size/order of
* channels, but may differ in data type. For example, R32_SINT is compatible