diff options
Diffstat (limited to 'src/gallium/winsys/radeon/drm')
| -rw-r--r-- | src/gallium/winsys/radeon/drm/radeon_drm_surface.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_surface.c b/src/gallium/winsys/radeon/drm/radeon_drm_surface.c index 77fb7757c20..58114888966 100644 --- a/src/gallium/winsys/radeon/drm/radeon_drm_surface.c +++ b/src/gallium/winsys/radeon/drm/radeon_drm_surface.c @@ -243,6 +243,54 @@ static int radeon_winsys_surface_init(struct radeon_winsys *rws, return r; surf_drm_to_winsys(ws, surf_ws, &surf_drm); + + /* Compute FMASK. */ + if (ws->gen == DRV_SI && + tex->nr_samples >= 2 && + !(flags & (RADEON_SURF_Z_OR_SBUFFER | RADEON_SURF_FMASK))) { + /* FMASK is allocated like an ordinary texture. */ + struct pipe_resource templ = *tex; + struct radeon_surf fmask = {}; + unsigned fmask_flags, bpe; + + templ.nr_samples = 1; + fmask_flags = flags | RADEON_SURF_FMASK; + + switch (tex->nr_samples) { + case 2: + case 4: + bpe = 1; + break; + case 8: + bpe = 4; + break; + default: + fprintf(stderr, "radeon: Invalid sample count for FMASK allocation.\n"); + return -1; + } + + if (radeon_winsys_surface_init(rws, &templ, fmask_flags, bpe, + RADEON_SURF_MODE_2D, &fmask)) { + fprintf(stderr, "Got error in surface_init while allocating FMASK.\n"); + return -1; + } + + assert(fmask.u.legacy.level[0].mode == RADEON_SURF_MODE_2D); + + surf_ws->u.legacy.fmask.size = fmask.surf_size; + surf_ws->u.legacy.fmask.alignment = MAX2(256, fmask.surf_alignment); + surf_ws->u.legacy.fmask.tile_swizzle = fmask.tile_swizzle; + + surf_ws->u.legacy.fmask.slice_tile_max = + (fmask.u.legacy.level[0].nblk_x * fmask.u.legacy.level[0].nblk_y) / 64; + if (surf_ws->u.legacy.fmask.slice_tile_max) + surf_ws->u.legacy.fmask.slice_tile_max -= 1; + + surf_ws->u.legacy.fmask.tiling_index = fmask.u.legacy.tiling_index[0]; + surf_ws->u.legacy.fmask.bankh = fmask.u.legacy.bankh; + surf_ws->u.legacy.fmask.pitch_in_pixels = fmask.u.legacy.level[0].nblk_x; + } + return 0; } |