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panfrost: Align layouts to tiles of superblocks

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Required to satisfy the alignment constraints on tiled AFBC.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16697>
This commit is contained in:
Alyssa Rosenzweig 2022-05-04 10:14:41 -04:00 • committed by Marge Bot
parent 9c9b7f7a42
commit 544a8894fc
1 changed files with 11 additions and 2 deletions
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13
src/panfrost/lib/pan_layout.c
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@ -288,11 +288,20 @@ pan_image_layout_init(struct pan_image_layout *layout,
unsigned height = layout->height;
unsigned depth = layout->depth;
unsigned align_w = block_size.width;
unsigned align_h = block_size.height;
/* For tiled AFBC, align to tiles of superblocks (this can be large) */
if (afbc) {
align_w *= pan_afbc_tile_size(layout->modifier);
align_h *= pan_afbc_tile_size(layout->modifier);
}
for (unsigned l = 0; l < layout->nr_slices; ++l) {
struct pan_image_slice_layout *slice = &layout->slices[l];
unsigned effective_width = ALIGN_POT(util_format_get_nblocksx(layout->format, width), block_size.width);
unsigned effective_height = ALIGN_POT(util_format_get_nblocksy(layout->format, height), block_size.height);
unsigned effective_width = ALIGN_POT(util_format_get_nblocksx(layout->format, width), align_w);
unsigned effective_height = ALIGN_POT(util_format_get_nblocksy(layout->format, height), align_h);
/* Align levels to cache-line as a performance improvement for
* linear/tiled and as a requirement for AFBC */