diff options
| author | Michel Dänzer <michel.daenzer@amd.com> | 2012-09-04 18:53:55 +0200 |
|---|---|---|
| committer | Michel Dänzer <michel@daenzer.net> | 2012-09-06 15:24:44 +0200 |
| commit | 45083e6d36125c64267c917da3d81e1e144ed33d (patch) | |
| tree | 4f49668519c64b7c9683ff7b3debeaa46622e48a | |
| parent | 8572444fd0cda3e7b9557c09d2d0f7a9e049a2e7 (diff) | |
radeon: Memory footprint of SI mipmap base level is padded to powers of two.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
| -rw-r--r-- | radeon/radeon_surface.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/radeon/radeon_surface.c b/radeon/radeon_surface.c index 593c51c6..98faa0b9 100644 --- a/radeon/radeon_surface.c +++ b/radeon/radeon_surface.c @@ -963,9 +963,16 @@ static void si_surf_minify_linear_aligned(struct radeon_surface *surf, surf->level[level].npix_x = mip_minify(surf->npix_x, level); surf->level[level].npix_y = mip_minify(surf->npix_y, level); surf->level[level].npix_z = mip_minify(surf->npix_z, level); - surf->level[level].nblk_x = (surf->level[level].npix_x + surf->blk_w - 1) / surf->blk_w; - surf->level[level].nblk_y = (surf->level[level].npix_y + surf->blk_h - 1) / surf->blk_h; - surf->level[level].nblk_z = (surf->level[level].npix_z + surf->blk_d - 1) / surf->blk_d; + + if (level == 0 && surf->last_level > 0) { + surf->level[level].nblk_x = (next_power_of_two(surf->level[level].npix_x) + surf->blk_w - 1) / surf->blk_w; + surf->level[level].nblk_y = (next_power_of_two(surf->level[level].npix_y) + surf->blk_h - 1) / surf->blk_h; + surf->level[level].nblk_z = (next_power_of_two(surf->level[level].npix_z) + surf->blk_d - 1) / surf->blk_d; + } else { + surf->level[level].nblk_x = (surf->level[level].npix_x + surf->blk_w - 1) / surf->blk_w; + surf->level[level].nblk_y = (surf->level[level].npix_y + surf->blk_h - 1) / surf->blk_h; + surf->level[level].nblk_z = (surf->level[level].npix_z + surf->blk_d - 1) / surf->blk_d; + } /* XXX: Second smallest level uses larger pitch, not sure of the real reason, * my best guess so far: rows evenly distributed across slice |