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winsys/amdgpu: avoid flushed depth when possible

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If a depth/stencil texture has no mipmaps, we can always get a layout that is
compatible with DB and TC.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2016-07-01 16:18:34 +02:00
parent 7000dfd5c3
commit 660cd3de4a
1 changed files with 8 additions and 3 deletions
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11
src/gallium/winsys/amdgpu/drm/amdgpu_surface.c
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@ -373,10 +373,15 @@ static int amdgpu_surface_init(struct radeon_winsys *rws,
AddrSurfInfoIn.flags.noStencil = (surf->flags & RADEON_SURF_SBUFFER) == 0;
AddrSurfInfoIn.flags.compressZ = AddrSurfInfoIn.flags.depth;
/* TODO: update addrlib to a newer version, remove this, and
* set flags.matchStencilTileCfg = 1 to fix stencil texturing.
/* noStencil = 0 can result in a depth part that is incompatible with
* mipmapped texturing. So set noStencil = 1 when mipmaps are requested (in
* this case, we may end up setting stencil_adjusted).
*
* TODO: update addrlib to a newer version, remove this, and
* use flags.matchStencilTileCfg = 1 as an alternative fix.
*/
AddrSurfInfoIn.flags.noStencil = 1;
if (surf->last_level > 0)
AddrSurfInfoIn.flags.noStencil = 1;
/* Set preferred macrotile parameters. This is usually required
* for shared resources. This is for 2D tiling only. */