diff options
Diffstat (limited to 'src/intel/isl/isl_surface_state.c')
| -rw-r--r-- | src/intel/isl/isl_surface_state.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/intel/isl/isl_surface_state.c b/src/intel/isl/isl_surface_state.c index da1544b7921..cd7a0845c78 100644 --- a/src/intel/isl/isl_surface_state.c +++ b/src/intel/isl/isl_surface_state.c @@ -172,7 +172,6 @@ get_qpitch(const struct isl_surf *surf) default: unreachable("Bad isl_surf_dim"); case ISL_DIM_LAYOUT_GEN4_2D: - case ISL_DIM_LAYOUT_GEN4_3D: if (GEN_GEN >= 9) { return isl_surf_get_array_pitch_el_rows(surf); } else { @@ -199,6 +198,22 @@ get_qpitch(const struct isl_surf *surf) * slices. */ return isl_surf_get_array_pitch_el(surf); + case ISL_DIM_LAYOUT_GEN4_3D: + /* QPitch doesn't make sense for ISL_DIM_LAYOUT_GEN4_3D since it uses a + * different pitch at each LOD. Also, the QPitch field is ignored for + * these surfaces. From the Broadwell PRM documentation for QPitch: + * + * This field specifies the distance in rows between array slices. It + * is used only in the following cases: + * - Surface Array is enabled OR + * - Number of Mulitsamples is not NUMSAMPLES_1 and Multisampled + * Surface Storage Format set to MSFMT_MSS OR + * - Surface Type is SURFTYPE_CUBE + * + * None of the three conditions above can possibly apply to a 3D surface + * so it is safe to just set QPitch to 0. + */ + return 0; } } #endif /* GEN_GEN >= 8 */ |