From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Wed, 27 Jan 2016 20:55:36 +0000 (-0800)
Subject: gen8/state: Fix QPitch for compressed textures on Broadwell
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f7d6b8ccfe3f04382d34bcd49cdbdfec88709719;p=mesa.git

gen8/state: Fix QPitch for compressed textures on Broadwell
---

diff --git a/src/vulkan/gen8_state.c b/src/vulkan/gen8_state.c
index 3fd3187fbe7..2da9c62e153 100644
--- a/src/vulkan/gen8_state.c
+++ b/src/vulkan/gen8_state.c
@@ -147,7 +147,20 @@ get_qpitch(const struct isl_surf *surf)
       #endif
    case ISL_SURF_DIM_2D:
    case ISL_SURF_DIM_3D:
-      return isl_surf_get_array_pitch_el_rows(surf);
+      #if ANV_GEN >= 9
+         return isl_surf_get_array_pitch_el_rows(surf);
+      #else
+         /* From the Broadwell PRM for RENDER_SURFACE_STATE.QPitch
+          *
+          *    "This field must be set to an integer multiple of the Surface
+          *    Vertical Alignment. For compressed textures (BC*, FXT1,
+          *    ETC*, and EAC* Surface Formats), this field is in units of
+          *    rows in the uncompressed surface, and must be set to an
+          *    integer multiple of the vertical alignment parameter "j"
+          *    defined in the Common Surface Formats section."
+          */
+         return isl_surf_get_array_pitch_sa_rows(surf);
+      #endif
    }
 }