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intel/isl: Support Ys, Yf & Tile64 in isl_surf_get_uncompressed_surf

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Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23620>
This commit is contained in:
Jason Ekstrand 2018-02-22 13:53:03 -08:00 • committed by Marge Bot
parent 4ef7b074e7
commit 6f90d6d228
1 changed files with 47 additions and 1 deletions
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48
src/intel/isl/isl.c
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@ -3197,7 +3197,53 @@ isl_surf_get_uncompressed_surf(const struct isl_device *dev,
/* 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:
*