/* If we ever enable 3D block formats, we'll need to re-think this */
assert(fmtl->bd == 1);
- {
+ if (isl_tiling_is_std_y(surf->tiling) || surf->tiling == ISL_TILING_64) {
+ /* Offset to the given miplevel. Because we're using standard tilings
+ * with no miptail, arrays and 3D textures should just work so long as
+ * we have the right array stride in the end.
+ */
+ isl_surf_get_image_offset_B_tile_el(surf, view->base_level, 0, 0,
+ offset_B, x_offset_el, y_offset_el);
+ /* Tile64, Ys and Yf should have no intratile X or Y offset */
+ assert(*x_offset_el == 0 && *y_offset_el == 0);
+
+ /* Save off the array pitch */
+ const uint32_t array_pitch_el_rows = surf->array_pitch_el_rows;
+
+ const uint32_t view_depth_px =
+ isl_minify(surf->logical_level0_px.depth, view->base_level);
+ const uint32_t view_depth_el =
+ isl_align_div_npot(view_depth_px, fmtl->bd);
+
+ bool ok UNUSED;
+ ok = isl_surf_init(dev, ucompr_surf,
+ .dim = surf->dim,
+ .format = view->format,
+ .width = view_width_el,
+ .height = view_height_el,
+ .depth = view_depth_el,
+ .levels = 1,
+ .array_len = surf->logical_level0_px.array_len,
+ .samples = surf->samples,
+ .row_pitch_B = surf->row_pitch_B,
+ .usage = surf->usage,
+ .tiling_flags = (1u << surf->tiling));
+ assert(ok);
+
+ /* Use the array pitch from the original surface. This way 2D arrays
+ * and 3D textures should work properly, just with one LOD.
+ */
+ assert(ucompr_surf->array_pitch_el_rows <= array_pitch_el_rows);
+ ucompr_surf->array_pitch_el_rows = array_pitch_el_rows;
+
+ /* The newly created image represents only the one miplevel so we
+ * need to adjust the view accordingly. Because we offset it to
+ * miplevel but used a Z and array slice of 0, the array range can be
+ * left alone.
+ */
+ *ucompr_view = *view;
+ ucompr_view->base_level = 0;
+ } else {
if (view->array_len > 1) {
/* The Skylake PRM Vol. 2d, "RENDER_SURFACE_STATE::X Offset" says:
*