Set render surface alignment on BDW

This is the requirement per B-spec.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>

diff --git a/src/i965_render.c b/src/i965_render.c
index 0235659..b1714a6 100644 (file)
--- a/src/i965_render.c
+++ b/src/i965_render.c
@@ -916,6 +916,10 @@ gen8_render_set_surface_state(
 
     ss->ss3.pitch = pitch - 1;
 
+    /* Always set 1(align 4 mode) per B-spec */
+    ss->ss0.vertical_alignment = 1;
+    ss->ss0.horizontal_alignment = 1;
+
     dri_bo_get_tiling(bo, &tiling, &swizzle);
     gen8_render_set_surface_tiling(ss, tiling);
 }