From: Tapani Pälli <tapani.palli@intel.com>
Date: Fri, 6 Mar 2020 07:27:13 +0000 (+0200)
Subject: isl: allow compression for storage images on gen12+
X-Git-Url: https://git.libre-soc.org/?p=mesa.git;a=commitdiff_plain;h=d836f3fadfbfe3dfc8bd1b60b2146f676e8ff8a1;ds=sidebyside

isl: allow compression for storage images on gen12+

This is done to be able to use ISL_AUX_USAGE_CCS_E with images.

Signed-off-by: Tapani Pälli <tapani.palli@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/4080>
---

diff --git a/src/intel/isl/isl_surface_state.c b/src/intel/isl/isl_surface_state.c
index ddc51db8d23..7aba99fbebf 100644
--- a/src/intel/isl/isl_surface_state.c
+++ b/src/intel/isl/isl_surface_state.c
@@ -609,8 +609,11 @@ isl_genX(surf_fill_state_s)(const struct isl_device *dev, void *state,
       /* The docs don't appear to say anything whatsoever about compression
        * and the data port.  Testing seems to indicate that the data port
        * completely ignores the AuxiliarySurfaceMode field.
+       *
+       * On gen12 HDC supports compression.
        */
-      assert(!(info->view->usage & ISL_SURF_USAGE_STORAGE_BIT));
+      if (GEN_GEN < 12)
+         assert(!(info->view->usage & ISL_SURF_USAGE_STORAGE_BIT));
 
       if (isl_surf_usage_is_depth(info->surf->usage))
          assert(isl_aux_usage_has_hiz(info->aux_usage));