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ac/surface: handle S8 on gfx9

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If we don't have a depth piece, we don't get a correct
swizzle mode and we hit an assert in addrlib.

In case of no depth get the preferrred swizzle mode for
stencil alone.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Cc: "17.2" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2017-09-17 20:17:33 -07:00
parent 39d539e321
commit c4ac522511
1 changed files with 7 additions and 2 deletions
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9
src/amd/common/ac_surface.c
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@ -1138,9 +1138,14 @@ static int gfx9_compute_surface(ADDR_HANDLE addrlib,
/* Calculate texture layout information for stencil. */
if (surf->flags & RADEON_SURF_SBUFFER) {
AddrSurfInfoIn.bpp = 8;
AddrSurfInfoIn.flags.depth = 0;
AddrSurfInfoIn.flags.stencil = 1;
AddrSurfInfoIn.bpp = 8;
if (!AddrSurfInfoIn.flags.depth)
r = gfx9_get_preferred_swizzle_mode(addrlib, &AddrSurfInfoIn, false,
&AddrSurfInfoIn.swizzleMode);
else
AddrSurfInfoIn.flags.depth = 0;
r = gfx9_compute_miptree(addrlib, surf, compressed, &AddrSurfInfoIn);
if (r)