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panfrost: Allocate space for multisampling

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As an effective depth. Ugly but matches the blob.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5782>
This commit is contained in:
Alyssa Rosenzweig 2020-06-30 16:29:16 -04:00 • committed by Marge Bot
parent 37204588da
commit 95afda39a6
1 changed files with 14 additions and 1 deletions
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15
src/gallium/drivers/panfrost/pan_resource.c
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@ -272,6 +272,16 @@ panfrost_setup_slices(struct panfrost_resource *pres, size_t *bo_size)
unsigned depth = res->depth0; unsigned depth = res->depth0;
unsigned bytes_per_pixel = util_format_get_blocksize(pres->internal_format); unsigned bytes_per_pixel = util_format_get_blocksize(pres->internal_format);
/* MSAA is implemented as a 3D texture with z corresponding to the
* sample #, horrifyingly enough */
bool msaa = res->nr_samples > 1;
if (msaa) {
assert(depth == 1);
depth = res->nr_samples;
}
assert(depth > 0); assert(depth > 0);
/* Tiled operates blockwise; linear is packed. Also, anything /* Tiled operates blockwise; linear is packed. Also, anything
@ -361,7 +371,10 @@ panfrost_setup_slices(struct panfrost_resource *pres, size_t *bo_size)
width = u_minify(width, 1); width = u_minify(width, 1);
height = u_minify(height, 1); height = u_minify(height, 1);
depth = u_minify(depth, 1);
/* Don't mipmap the sample count */
if (!msaa)
depth = u_minify(depth, 1);
} }
assert(res->array_size); assert(res->array_size);